ES2337035T3 - OPERATION FOR A SHEET OF A DOOR OR A WINDOW. - Google Patents

Abstract

Drive for a leaf of a door or a window comprises a housing (2) with a receiving chamber for supporting the drive. The housing has a dimensionally stabilizing insert (7'). The required housing wall thickness is formed at least in sections by an inner and outer cover layer of plastic (11) on the insert. An Independent claim is also included for an alternative drive. Preferred Features: The insert is made in one piece. The insert is made from metal as a stamped/bent component or by an inner high pressure forming process, or from plastic by injection molding or casting.

Description

Drive for a door or door leaf window.

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The invention relates to a drive for a sheet of a door or a window according to the preamble of claims 1 and 16.

It is known from document CH 281 690 a Door lock, which features a liquid-filled housing. The housing may in this case consist of a plastic oil-tight and is scrollable guided on a dovetail fastening piece on a mounting plate which can be fixed on the door and is guided so that it Can fix by means of screws.

In this construction it is an inconvenience that the plastic housing features large wall thicknesses, to be able to withstand the forces that occur together and in the lock of door. In this way an exact custom manufacturing is difficult with procedures that do not work by chip removal, put plastics contract during cooling, for example in the case of a manufacturing through injection molding.

It is also an inconvenience that plastics they can flow in the case of a lasting drive with a force, thereby changing the dimensions of the housing.

In the case of an arrangement of the lock of door in a fire protection door, the housing of plastic door lock would melt in the fire to through the heat acting and the door lock could not keep the door closed.

It is known from document DE 298 22 099 a door lock with a cam disc, which is connected with a drive shaft that leaves from a housing filled with a means of damping. The cam disc, seen in the direction axial, it is supported on each side by a pressure roller and is in operative connection with a piston driven with a spring of lock. The piston and the housing are constituted by a oil-tight plastic, so that the piston has a Bushing or piston ring of other material. The drill that surrounds the piston can also have a bushing of another material.

It is an inconvenience that cannot be taken advantage of plastic properties, such as its sliding properties, since the piston is surrounded, for the elevation of the duration of useful life, by a bushing or a piston ring of another material than plastic, and the piston receiving space is constituted in the same way by another material. Due to large thicknesses of the plastic material in the piston and in the housing result in large contraction measures, which have an impact on unfavorable way about the accuracy of the measure and, therefore both, on the accuracy of adjustment of the piston and the housing.

In the case of the arrangement of the lock of door in a fire protection door, there is, in addition, the disadvantage that the mechanical fixation in the plastic of the door lock can be destroyed through development of heat and a closed door maintenance is not guaranteed to Through the door lock.

WO 95/20090 A shows a lock of door with a piston of movable closing on a gear of closing with a rotary closing shaft during the opening of the Door leaf associated against a recovery force. He Closing tree is connected to an activation facility, arranged between the door leaf and the fixed frame area of the door, for the transmission of force between the door leaf and the door frame area as well as with a piston of damping displaced in the same direction as the piston of closing on the door closing housing, whose piston damping is made of plastic, so that a serrated non-metal forming insert is provided between the closing piston and damping piston.

It is known from document DE 200 10 423 U1 a door lock, with a door lock housing as well as with a piston arrangement guided in it and movable by means of a door lock gear, which presents a closing piston, a damping piston that can be distanced of that in the direction of travel as well as a piece intermediate piston, arranged between the closing piston and the damping piston, with a gear gear element of door lock and with a support piece for it. He closing piston and damping piston are made of plastic and the intermediate part of the non-forming piston, configured as a toothed insert, it is made of metal and is embedded in the end side in the closing piston and in the piston of damping.

The invention has the task of configuring a favorable cost drive for the door leaf or a window using plastic, with a housing and / or a piston, which They have shape stability and are stable.

The task is solved through the characteristics of claims 1 and 16.

The dependent claims form advantageous configuration possibilities of the invention.

The drive according to the invention can be configured as automatic door drive or windows The drive can also be a drive window manual or a lower door lock or higher.

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For example, in this case, the door locks are connected through a linkage with the door leaf associated with the door lock. This linkage transmits the rotary movement of the leaf on a tree in the door lock, which moves, for example, on a gear or a disk of cams, a piston driven with a spring. This movement of movement takes place within a hydraulic liquid that is in the housing, so that the hydraulic liquid can circulate from one side of the piston on the other side through circulation channels and valves. In the circulation channels throttling valves are usually arranged, with which the behavior of the door lock can be regulated. Through the opening of the leaf the piston moves in the door lock in such a way that the spring is tensioned. Through an expansion of the spring, the piston is moved back again and the shaft is turned back, bringing the blade through the linkage to its closed position. The forces that occur must be supported in this case by the housing and by the
piston.

In order to absorb the forces acting on the drive with a housing configured with the use of plastic and to be able to use the favorable properties of plastic, such as friction properties, is used an insert, which is wrapped, at least in sections, with plastic, for example by means of a procedure of injection casting. The insert is configured of such that it reinforces all the necessary areas of the housing of drive In this case, in the area of the closing tree is configured on both sides a vault, which can support the tree accommodation. On the side of the spring opposite the piston folded appendages are provided in the insert, which can withstand the spring force of the tensioned spring. Prints or ribs can additionally reinforce the piece Insertion In the insertion piece it is also provided that are fixed fixing tabs, which allow to fix the door drive or bottom case. In this case, the fixing tabs may be surrounded by injection of plastic or can be retained freely. It is also advantageous that for fixing may be present, for example, threads in the insert, which have a higher resistance than the threads in the plastic. According to the invention, the piece  Insertion can be provided with recesses, which favor a surrounding creep with plastic.

The drive piston is manufactured from the same way using an insert, so you can configure a piston adapted to the shape of the housing. In the room insertion can be set at the same time toothed for the closing shaft or can be inserted in the insert of the piston and can be fixed on it. In the same way, they can be provided housing for valves. The ribs and Possible recesses can favor the application of plastic and raise the resistance of the insert.

Through the use of a piece of insert for the piston and housing can keep the thickness of the plastic material, without losing the advantages of plastic. The housing measurements can be maintained from this equally small way, being able to configure different forms of the housing, especially in the chamber of the piston, which allow a reduced construction size of the door's lock. In this case, the piston chamber can be configured, unlike the usual round shape, of rectangular or polygonal shape, which also achieves a safety against piston rotation. In this case, they can be rounded the piston edges.

With high stiffness and high properties shape stability, the properties of the plastic, and favorable cost manufacturing is possible without expensive mechanization.

It is also advantageous that in the case of use in fire protection doors, a  leaf drive release, as might be the case, instead, in an exclusive plastic fixation.

Otherwise, in this case the sheet will be retained through the drive in the closed position, although it is founded the plastic of the housing, since the spring can be supported on the folded appendages of the insert.

The insert can be configured as metal as a piece folded by stamping, which is achieved Favorable manufacturing But it can also be manufactured with others manufacturing procedures, as a transformation procedure at high internal pressure, making insertion parts possible seamless. It is also conceivable to use other materials, which meet the respective requirements, such as others plastics, when you can do without the advantages of behavior in case of fire. In this respect, it is advantageous that in the case of plastic manufactured insert parts, they can manufacture in the mold very complex configurations with cost favorable.

The piece folded by stamping, after its definitive form has been configured, it can be joined by means flexion of closing tabs, by means of rivets, screws or, on the other hand, also by means of tinning or welding. It is also favorable a mooring as a jagged. The insert It can be one or several parts. The pieces of insertion of several parts can be fixed in this case between yes.

According to the invention, the piece of insertion is provided with recesses, which favor a creep surrounding with plastic. In this way, among other things, also The rolling surface of the piston can be configured from plastic, being able to use special properties of plastic slip. In this case, both partial zones interiors as well as exteriors can be kept free of plastic.

Examples are explained in detail below. of realization in the drawing with the help of the figures.

In this case:

Figure 1 shows a longitudinal section a Through a door lock.

Figure 2 shows an insert of a housing in the upper plan view.

Figure 3 shows a section of the piece of insertion of figure 2 along the line III-III.

Figure 4 shows an inclined image of a piston with insert shown partially visible.

The door lock 1 represented in the Longitudinal section in Figure 1 presents a housing 2 for the piston housing 3, which collaborates with the shaft 4 and with the pier 5.

Through the opening of the door leaf, in which the lock of the door 1 is arranged, is activated, of known way, the tree 4 through a linkage arranged between the door leaf and the tree 4 of the door lock one.

Through a teeth 12 between piston 3 and the shaft 4 moves the piston 3, so that the spring 5. In this case, a hydraulic oil that is in the housing 2, which is used for damping the movement of the Door lock, can circulate through channels from a side of the piston towards the other side of the piston, being provided that the circulation channels have valves, with which you can regulate the opening and closing behavior of the lock of the door.

The door 1 lock can drive the door back to its closed position through energy accumulated in the spring 5, which presses the piston 3 again from return to its starting position, and through tree 4 and the linkage

The housing 2 has an insert 7 ', through which the housing is reinforced 2. The insert 7 'can be configured in this case as a piece bent by stamping or stamped piece, as shown in figures 2 and 3. But it can also be manufactured with other procedures of manufacturing, as high pressure transformation procedures inside, with what are possible insert pieces without seams. Other materials can also be used, which comply with the respective requirements, like other plastics. In this case, it is advantageous that, in insert parts made of plastic, they can manufacture in the mold very complex configurations with cost favorable.

In this regard, all areas are reinforced necessary of the housing 2, such as the area around the axis 4, in the that vaults are configured 9. To withstand the forces that they act through the spring on the housing 2, some are provided 10 'appendages bent at right angles to the direction extension of insert 7 '. Can also be provided for 10 'appendices and prints for housing valves or seals.

Fixings 6 for housing 2 are configured in the same way through tabs 8 formed in the piece 7 'insert. In this way, it is achieved that the fixation of the door lock 1 on a fire protection door no it can also melt in case of heat acting, as it could happen, in another case, in a plastic fixation. Of the same way, the piston 3 and the shaft 4 are retained with their bearings respective in the insert 7 'of the housing 2 also after a casting of the plastic.

An insert 7 'configured as part folded by stamping or stamped part or an insert Multi-part 7 'can be assembled in its final form after stamping and bending process, being able to tie the piece of insertion in retention projections arranged in the form of a meander. It is also possible to fix another type through flexion, knurling, riveting, screwing or other procedures fixing and joining. According to the invention, the piece of insert 7 'has recesses 13 as grooves or holes, which improve a surrounding creep of the plastic around the piece of insertion or around parts of the insert and the union of the plastic with the insert, being able to remain free, for example, tabs 8 for locking the lock of the door.

The insert 7 'can have a round cross section or may also have a non round, as shown in figure 3, for example, a shape approximately rectangular or polygonal. In this case, the songs They can be rounded.

The piston 3 shown in figure 4 presents a 7 '' shaper insert, through which it is reinforced piston 3.

The insert 7 '' can be configured as a piece folded by stamping, as represented in figure 4. In this case, all zones are reinforced required from the piston 3. To withstand the spring force that acts through the spring 5 on the piston 3, some are provided 10 '' appendages bent at right angles to the direction extension of insert 7 ''. But the piece of 7 '' insert can also be manufactured with other methods of manufacturing, as high pressure transformation procedures interior, with which seamless insertion pieces are possible. Other materials can also be used, which comply with the respective requirements, like other plastics. In this case it is advantageous that in insert parts made of plastic, they can manufacture in the mold very complex configurations with cost favorable.

Insert 7 '' has a teeth 12, which collaborates with tree 4. This tooth 12 may be configured in one piece on insert 7 '' or can be fixed as a separate piece in the insert 7 ''.

10 '' appendages may also be provided or prints, which are configured to accommodate valves and gaskets.

A 7 '' insert made as a piece folded by stamping or a 7 '' insert of several Parts can be assembled according to the stamping process and flexion in its final form, being able to tie the insert in retention projections arranged in the form of a meander. It is also Possible fixation of another type through bending, knurling, riveting, screwing or other fixing procedures and Union. According to the invention, the insert 7 ' It has recesses 13 such as grooves or holes, which improve a surrounding creep of the plastic around the insert or around parts of the insert and the joint of the plastic with insert 7 '', being able to remain free, for example, toothed 12, which corresponds to the tree of exit.

The insert 7 'can have a round cross section or may also have a non round, as shown in figure 4, for example, a shape approximately rectangular or polygonal. In this case, the songs They can be rounded.

The piston 3 also maintains its function of support also after a plastic melt in case of fire through the insert 7 '' with the teeth 12.

List of reference signs

one

Door lock

2

Case

3

Piston

4

tree

5

Dock

6

Fixation

7 ', 7' '

Insert

8

Eyelash

9

Vault

10 ', 10' '

Appendices

eleven

Plastic

12

Jagged

13

Recess

Claims (30)

1. Drive (1) for a leaf of a door or a window, with a housing (2) with a housing space for the support of the drive (1), with a piston (3) driven by a spring (5) , which collaborates with a shaft (4) for fixing the blade, and with a hydraulic liquid for damping, in which the drive (1) applies the force to the movement of the blade, characterized in that the housing (2) It consists of an insert (7 ') for forming and stabilizing the shape in all the necessary areas, in which the necessary thickness of the housing wall is formed, at least by sections, by a cover layer inside and an outer cover layer of plastic (11) in the insert (7 '), and in which the insert (7') is provided with recesses (13), through which the plastic, and in which the housing (2) maintains its support function also after a fusion of the pl stico in case of fire through the insert (7 '). 2. Drive according to claim 1, characterized in that the insert (7 ') is formed in one piece. 3. Drive according to claim 1, characterized in that the insert (7 ') is made of metal. 4. Drive according to claim 3, characterized in that the insert (7 ') is manufactured as a piece folded by stamping. 5. Drive according to claim 3, characterized in that the insert (7 ') is manufactured with a high internal pressure transformation process. 6. Drive according to claim 1, characterized in that the insert (7 ') is injected or cast of plastic. 7. Drive according to claim 1, characterized in that the interior space of the insert (7 ') is coated to the greatest extent possible with plastic. 8. Drive according to claim 1, characterized in that the insert (7 ') is coated on the outside to the greatest extent possible with plastic. 9. Drive according to claim 1, characterized in that the insert (7 ') is coated on all sides to the greatest extent possible with plastic. 10. Drive according to claim 1, characterized in that the insert (7 ') has conformations (8, 9, 10') that absorb forces. 11. Drive according to claim 10, characterized in that the conformations are configured as tabs (8) for fixing the door lock (1). 12. Drive according to claim 10, characterized in that the conformations are configured as bent appendages (10 '), in which actuating forces acting on the housing (2) can be supported. 13. Drive according to claim 10, characterized in that the conformations are configured as vaults (9) for housing bearings or guides. 14. Drive according to claim 3, characterized in that the insert (7 ') has reinforcement stamping. 15. Drive according to claim 1, characterized in that the insert (7 ') is configured not round in its essential cross-section. 16. Drive (1) for a leaf of a door or a window, with a housing (2) with a housing space for the support of the drive (1), with a piston (3) driven by a spring (5) , and with a hydraulic liquid for damping, in which the drive has a piston with a toothed, which collaborates with an output shaft, characterized in that the piston (3) is constituted by an insert (7 '') of forming and stabilizing the shape in all the necessary areas, in which the necessary thickness of the housing wall is formed, at least by sections, by an inner cover layer and an outer plastic cover layer (11) in the insert (7 ''), and in which the insert (7 '') is provided with recesses (13), through which the plastic can flow, and in which the piston (3 ) maintains its support function also after a plastic melt in case of fire through s of the insert (7``). 17. Drive according to claim 16, characterized in that the insert (7 '') is formed in one piece. 18. Drive according to claim 16, characterized in that the insert (7 '') is made of metal. 19. Drive according to claim 18, characterized in that the insert (7 '') is manufactured as a stamped piece. 20. Drive according to claim 18, characterized in that the insert (7 '') is manufactured with a high internal pressure transformation process. 21. Drive according to claim 16, characterized in that the insert (7 '') is injected or cast of plastic. 22. Drive according to claim 16, characterized in that the interior space of the insert (7 '') is coated to the greatest extent possible with plastic. 23. Drive according to claim 16, characterized in that the insert (7 '') is coated on the outside to the greatest extent possible with plastic. 24. Drive according to claim 16, characterized in that the insert (7 '') is coated on all sides to the greatest extent possible with plastic. 25. Drive according to claim 16, characterized in that the insert (7 '') has conformations (10 '') that absorb forces acting on the piston (3). 26. Drive according to claim 25, characterized in that the conformations are configured as folded appendages (10 ''). 27. Drive according to claim 18, characterized in that the insert (7 '') has reinforcement stamping. 28. Drive according to claim 16, characterized in that the teeth (12) is configured in one piece with the insert (7 ''). 29. Drive according to claim 16, characterized in that the insert (7 '') is configured not round in its essential cross-section. 30. Drive according to claims 1 and 16, characterized in that a drive is configured with the housing (2) and the piston (3).