drive unit

A driving device, driven shaft technology, applied in switchgear with brakes, construction, door/window accessories, etc., can solve problems such as loss of sealing, damage, and unsealing

Active Publication Date: 2019-09-13
GEZE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a disadvantage is the complicated sealing of the elastic casing, which may also become leaky due to aging.
It is known, for example, to also use foam materials, but this in particular has the disadvantage of possible damage due to pressure peaks during continuous operation

Method used

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Experimental program
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Effect test

Embodiment approach

[0049] Figure 5 A further exemplary embodiment of a drive device according to the invention is shown in a schematic illustration, which drive device comprises a hydraulic fluid that can be transferred from the spring chamber 20 into the damping chamber 22 through the sleeve 28, the drive device in the present case The case is implemented as a door closing device without opening damping. For example, the drive device can again be embodied with an electrical fastening device.

[0050] This closing device without opening damping can be easily configured with a sleeve 28 for volume compensation and filled with a defined gas volume. Due to the described arrangement of the sleeve 28 , the gas of the gas volume 26 cannot pass into the damping chamber 22 in any closing device position.

[0051] Figure 6 A further exemplary embodiment of the drive device 10 according to the invention is shown in a schematic illustration, which comprises a hydraulic fluid 24 that can be transferred f...

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Abstract

A drive for a wing of a window, a door or the like comprises a housing and disposed in the housing, cooperating with an output shaft for opening and closing the wing, acted upon by a spring unit in the closing direction of the piston, through which the housing in a spring unit containing Spring chamber and a damping chamber is divided. The housing is filled with a hydraulic fluid such that a pressure equalization gas volume is left in the spring chamber and hydraulic fluid from the spring chamber can only be transferred into the damping chamber through a sleeve connected to the piston, extending into the spring chamber or a piston rod having at least one outflow channel is, whose cavity or respective outflow channel communicates via at least one inlet opening with the spring chamber. In this case, the sleeve or piston rod are arranged in the spring chamber and a respective inlet opening is positioned so that a respective inlet opening of the sleeve or piston rod is completely surrounded by the hydraulic fluid even at the lowest operating temperature of the drive.

Description

technical field [0001] The invention relates to a drive device for a leaf of a window, door or the like, the drive device comprising a housing and a driven shaft arranged in said housing cooperating with a driven shaft for opening and closing the leaf, The piston, which is acted upon by the spring unit in the closing direction, divides the housing by the piston into a spring chamber containing the spring unit and a damping chamber. Background technique [0002] Drives of the type mentioned at the outset are generally known. The drive can be designed, for example, as an upper door or window drive which usually has a toothed piston in which the pinion of the output shaft engages. In this case, a connecting rod or a sliding arm guided on a slide rail is arranged on the output shaft in a known manner, which interacts with the leaf for opening and closing. The piston is spring-loaded in a housing filled with hydraulic fluid. In order to control the behavior of the drive, an ov...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): E05F3/10
CPCE05F3/102E05F3/106E05F3/12E05Y2800/172E05Y2900/132
InventorB·韦尔纳M·米勒
OwnerGEZE GMBH