DE2922134A1 - DEVICE FOR OPENING A LOCKING ELEMENT, IN PARTICULAR A GARAGE DOOR OR THE LIKE. - Google Patents

Description

PAiEN ΓΑNWALTE

K. SIEBERT G. GRÄTTINGER Dip! -Ing.

D.p'-mg D-p'-Win ^ n

PO Box 16-S9.A-.! ..- - i.-u3E Tc-clon (CIaISl ₁ 41 15u 1 d

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the

Annals record: '745 2/1

Richard WOOD and John Henry LAMBERT 10 Beulah Crescent, Helderkruin and 12 Florida Court, Field House Street, Florida Transvaal, South African Republic

Device for opening a closure element, in particular a garage door or dgI _-

909849/0859

Postal checking account Munich 2726-804 Kreissparkasse Starnberg 68940 - Deutsche Bank Starnberg 59/17570

The invention 1. orientates itself g ^ rts / on r _: in3 Y * ..; r! '.!; Tung? -Utn öi ~ r .. ± n eil, ". -S locking eggs. ^ Nts, InsLcsomiire bc- ^ jc-ht c ^; e invention, however, to an invention for opening garage doors, garden gates, loft and sliding gates used in industrial buildings and the like.

The object of the invention is to provide an opening device to create which is actuated via any readily available pressure medium source can be.

This object is for a device for opening a closure element of the preamble of claim 1 specified type solved in that the flowing out of the drive mechanism Pressure medium is discharged from the device.

In a preferred embodiment, the drive mechanism comprises a piston / cylinder unit. According to one embodiment, the cylinder can comprise the anchoring element, that is to say the element to be fastened to the garage wall in the case of a garage door, and the piston can comprise the drive element. According to a further embodiment , conversely, the piston can comprise the anchoring part and the cylinder the drive element.

BAD CR'.GiMÄL

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It is also expedient to design the piston / cylinder unit as a double-acting unit in which either the cylinder or the piston comprises the anchoring part, i.e. the part to be fixedly attached, and the other component comprises the drive element.

One resulting from the introduction of a pressure medium into the pressure chamber of the cylinder An increase in pressure causes the drive element to move relative to the anchoring part. Although reference is made in the documents to a device for opening which has a piston / cylinder unit as the drive mechanism, other drive mechanisms can also be used Find use, such as a hydraulic motor (rotating). Such a rotary motor is particularly advantageous where there is a rotary movement required, such as when opening a roller door used in industrial buildings. In the embodiment described, the motor housing comprises the anchoring part and the The rotor or the impeller and its associated shaft comprise the drive element. But it is also the use of a suitable pneumatic piston / cylinder unit or a pneumatic rotary motor for the opening device according to the invention possible.

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Attention is directed to that of the actuation of the drive mechanism required pressure build-up by introducing either a liquid or a gas can be done in the pressure chamber of the drive mechanism. Thus, as Pressure medium source used directly the municipal pipeline network for the water supply but the invention is not intended to be limited to a pressure medium source of this type. For example, as

Pressure medium source the gas network, a gas bottle, a water container used in the house a fluid pressure pump or a pneumatic source such as an air compressor are used. Furthermore, it is possible that the pressure medium source is recirculating under pressure Central heating water or automobile exhaust fumes.

Finally, the drive element with the closure element by any suitable Means to be connected. For example, the fastening device can be a roller arrangement which is operated by a rope or chain, or it can be a lever arrangement or the like. Use.

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According to a further proposal of the invention, the coupling for connecting the drive mechanism urrfasst to a pressure medium source equipped with a valve line, the valve for Interruption of the pressure medium supply to the drive mechanism is used. Preferably includes Device for discharging the pressure medium from the drive mechanism is a valve which is arranged in a discharge line. The valves can work in several ways be constructed or arranged, for example as

a three-way valve arranged in a T-piece or an arrangement of simple ones Slide valves, or pneumatically operated valves. The like. For the alternative The pressure build-up and depressurization valves used in the drive mechanism are preferably electrical actuatable solenoid valves, which are arranged in the supply and discharge line of the device are. The solenoid valves can be operated either manually or remotely Body can be actuated by sound, ultrasound or electromagnetic transmission.

In some embodiments, the closure element is preferably by gravity pre-tensioned in the closed position, whereby the closure can be regulated by the amount, in which the pressure medium is discharged from the drive mechanism.

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Optionally, in an opening device using a double-acting piston / cylinder unit the closure of the closure element can be regulated by the pressure medium pressure, which is placed on the cylinder to close the closure element.

To open the closure element, the valve is in the line leading the pressure medium to the cylinder opened. In order to limit the path of the driving element, anyone can. suitable construction use find, the pressure medium is prevented from entering the cylinder. In its simplest Form of construction involves closing a slide valve, but is preferred an electrically or mechanically actuated limit switch is used, which in connection acts with a solenoid valve. Optionally, a valve actuating pressure switch can control the Limit the path of the drive element, the switch being actuated as soon as the drive element has reached the required distance. In the event that the pressure in the drive mechanism is not excessive, a rigid stop element can be provided at the end of the movement path of the drive element will.

Finally, a suitable valve can move from its closed position to the open position are switched to discharge or withdraw the pressure medium from the drive mechanism, if

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the closure element is in an open position. Similarly, can this valve can be closed again to the trajectory of the drive element on To limit the end of the downward stroke and thereby complete the locking cycle. Included the device for closing the valve can be the manual closing of a simple Slide valve ?? or the electrical or mechanical actuation of a limit switch include, which acts in conjunction with a solenoid valve. Optionally, it can Valve can be closed via a time cycle unit.

It should be noted that the opening device according to the invention can be used to open a wide variety of locking elements such as gates or doors
/ Device for opening conventional

Tip garage doors are used which are balanced either by weights or springs she

are, or / is used for doors made of hinged strips, swing or Sliding doors, roll-up doors or folding doors » The opening device according to the invention can also be used to open and close Doors of the single or double swing design, or of sliding gates or Spreistors use "find.

909840 / ΟδΒδ

An exemplary embodiment of the invention is described below with reference to the drawing.

Show it

Fig. 1 is a sectional side view of a pressure medium-actuated Drive mechanism according to the invention in the open position,

Fig. 2 is a front view of a drive mechanism according to the invention,

3 shows a schematic representation of lines for the pressure medium supply and discharge, which are expediently arranged in a control housing, as well as

4 shows a schematic illustration of an opening device for a key element, which is the arrangement of the roles of a garage door in swivel or tilt design shows.

The opening device shown in FIGS. 1 and 2 for a closure element comprises a Pressure medium-operated drive mechanism with a forming a sealed pressure chamber Cylinder 10 in which the piston 12 is arranged. The cylinder 10 is on either

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suitable foundation, such as a garage door, attached to a roof spar or the like. One end of the piston rod is designed in such a way that that it is connected to a roller 14 shown in FIG. 4 via a suitable fork. The other end of the rod is provided with a seal 16, which consists of an elastic compliant, polymeric material is made. Nuts 18 and washers 20 hold the Seal 16 in the desired position on the end of the rod so that there is a suitable one Seal for the piston 12 in the cylinder 10 is guaranteed.

The cylinder 10 consists of a tubular body and a cover 22, which a Has opening for the piston rod. In the opening is a second sealing element 24 for Sealing of the end of the cylinder 10 equipped with the cover 22 is provided. The sealing element 24 can be held in place by a washer 26 and a retaining ring 28 will.

The cylinder 10 has an opening 30 to which a line 32 is connected. Of the Lid 22 comprises an inwardly protruding projection 34 which serves as a stop for the inner nut 18 serves when the piston 12 is in the closed position as well

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as a mechanical guide for the piston rod » in order to avoid excessive pressurization on the lip of the sealing element 24. The projection 34 protrudes accordingly far into the pressure chamber of the cylinder 10 to ensure that the inwardly Lip 37 on the outer circumference of the sealing element 16 at a distance from the opening 30 is held when the piston 12 is in the closed position, so that the opening 30 is not covered. An upwardly extending L-shaped bracket 36 is secured to piston 12 between outer washer and outer nut 18. The projection of the bracket 36 is arranged in such a way that it projects behind the piston 12 and is relatively close to the wall of the cylinder 10. The ledge carries on his the inner surface of the cylinder wall adjacent surface an elongated magnet 38. On the Outside surface of the wall of the cylinder 10 are a pair of normally closed magnetically actuatable limit switches 40 and 41 arranged, which radially to the axial path of the magnet 38 movable along the cylinder 10 are aligned. The limit switches and 41 can be arranged in any position along the cylinder so that the The stroke length of the piston 12 can be determined. Limit switches 40 and 41 of the preferred Embodiment include a fixed

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Contact 42 and a second pivotable contact 44 which is made of magnetic material consists.

When actuating the drive mechanism according to the In accordance with the invention, the piston 12 stands when the mechanism is in the closed position is located against the cover 22 of the cylinder 10 and ^ is the limit switch 41 under the action of the magnet 38 on the bracket 36 in an open position in which contacts 42 and 44 are remote from each other. The circuit operated by this switch is therefore open. Conversely, the magnet 38 is at the opposite end of the cylinder 10 with respect to the reed switch 40, so that the switch 40 is not under magnetic Influence is so that this is in a closed Position. The circuit operated by this reed switch is accordingly ready for operation upon receipt of a control signal.

The cylinder 10 is arranged on a foundation, not shown, via an N- frame 46 which includes a pair of upwardly extending tabs adjacent to the cover 22 ₉ each tab having an aperture for receiving on opposite sides of the lid 22

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cantilevered outwards. Lugs 50 is formed. In one area behind the cover 22 is the Frame 46 is bent inwardly so that it is a pipe support for the body of the cylinder 10 forms. As a result of this arrangement, both the line 32 and the lines to the Limit switches 40 and 41 over the length of the cylinder 10 between its body and the frame 46 are performed, so that a visually pleasing appearance is achieved. The cylinder 10 can be attached to the frame 46 by suitable means such as a series of springs 47, be held along the length of the cylinder with the springs at each end at opposite ends Sides of the frame 46 connected and passed over the body of the cylinder 10 are to keep the cylinder in the frame.

From Fig. 3 it can be seen that a line with its one end on the cylinder 10 and on its other end via a hose connection or the like to a pressure medium source, such as connected to the main water supply (not shown). At a suitable Place is the line 30 through a normally closed solenoid valve 54 interrupted. The line 30 comprises a T-piece 56 -iff in the area in the direction of the cylinder 10 relative to solenoid valve 54. The protruding arm

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of the T-piece 56 is connected to a second solenoid valve 58, which is normally closed, which in turn is connected to a discharge line 60. About a plug 64 is a Transformer 62 connected to a power source which is used to operate the Opening device supplies the power required.

In the preferred exemplary embodiment, the solenoid valve 54 is connected to a circuit, v / elcher a limit switch 40, whereas the valve 58 is connected to a circuit which includes the limit switch 41.

For the sake of simplicity, the valves 54 and 58 are shown as if they were manually operable Push-button switches 91 and 93 (Fig. 3) connected. When the piston 12 is in the is closed position, the limit switch 41 is in an open state as a result of the action of the magnet 38 and the valve 58 is closed. Against it is the circuit including limit switch 40 and valve 54 ready for actuation Receipt of a control signal as the limit switch 40 is in its normally closed position Position. Valve 54 is similarly in its normally closed position Position.

909849/0859

Upon receipt of a suitable control signal, the solenoid valve 54 is in the open position switched. The V.'asser can now be transferred from the main water supply through the open valve 54 the line 32 flow into the cylinder 10. The main water supply pressure is sufficient in essentially to move the piston 12 in the cylinder away from the cover 22. When the piston reaches the limit switch 40, the pivot contact 44 comes into the area of influence of magnet 38 and contacts 42 and 44 are pulled apart, thereby breaking the circuit and the stroke of the piston 12 in the cylinder 10 is limited. The magnet 38 is necessary elongated to form a relatively continuous magnetic field, which acts on the limit switch 40 in such a way that a momentary influence is prevented, whereby the piston 12 could make a larger stroke than intended. Due to cfer Interruption of the circuit in the limit switch 40 closes the solenoid valve 54 and the water supply to the cylinder 10 is interrupted. The piston 12 can be used as long as possible be held in its open position.

Since the piston 12 has moved substantially from its closed position, the Magnet 38 is no longer on the limit switch 41, so that the limit switch 41 dement-

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speaking returns to its normally closed position. The solenoid valve 58 and the circuit including the limit switch 41 is thus for receiving a Control signal ready.

When a second control signal is received, the solenoid valve 58 is opened and, provided that the piston 12 is pretensioned in the closed position, the piston 12 moves in the direction towards the cover 22, that is to say in the closed position. When the magnet 38 approaches, the contact 44 in the limit switch 41 moves into a position, " ⁿ fe" contacts 42 and 44 apart from each other ^ üSro the circuit is interrupted, whereby the stroke of the piston 12 in the cylinder 10 by closing the solenoid valve 58 is limited.

The control signals sum opening and closing the solenoid valves 54 and 58 are preferred Exemplary embodiment via a radio transmitter (not shown) to a receiver 66 transmitted, which via an electrical line with the various circuits, comprising valves 54 and 58 and switches 40 and 41. A logical one Circuit 68 is further connected to the above circuit for the correct sequence of operations to ensure if a

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remote control device is used. The solenoid valves 54 and 58, the transformer 62, radio receiver 66 and logic circuit 68 can all be implemented in be housed a control housing 70, which on a foundation, such as a Garage wall, can be arranged.

From Fig. 4 of the drawing, a garage door can be seen which is designed in an overhead door design is, and comprises a pair of rollers 74, which by means of rods 73 on opposite Sides of the gate 72 are set. Analogous to the manually operated tilting design Garage doors a rope or the like is connected at one of its ends to each rod 73, the rope being passed around a pulley 76 and the other end connected to a weight 78, so that the gate in each Position is balanced by the heavyweight. In Fig. 3 there is only one of one Pair of weights 78 shown. According to the invention, a trap 80 is arranged such that that it cooperates with the end of a bolt 82 of the gate 72. The locking end of the latch 82 is designed in such a way that it is arranged behind the latch 80.

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The trap 80 is against movement in an upward direction by a spring biased so that the trap 80 upon actuation of the drive mechanism immediately disengaged from the end of the Latch 82 arrives. A nylon rope 86 is connected at its ends to both rods 73 on gate 72. A pair of reels 88 and a single roller 90 are on forks substantially vertically above the joint of the nylon rope with the rod 73 arranged »The nylon rope is around the Rolls wound in the manner shown in Fig.4. Weights 78 are preferred made easier to appropriately bias the gate in the locked position.

When the drive mechanism is actuated, the latch 80 disengages from the opposite the bolt 82, so that due to the piston moving along the cylinder 10 12 the roller 14 is moved in the direction against the cylinder 10. The route of the Role 14 is determined by the position of the limit switch 40 on the cylinder 10, this distance can be locked in accordance with the required degree of opening for the gate 72.

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Eo ί Bev; ^ movement of the roller 14 against the cylinder 10, the nylon rope is moved upwards relative to the arrangement when the door is closed and so that the gate 72 opened. When the water runs out of the cylinder 10 moves the pulley 14 away from the cylinder 10, effectively lengthening the rope on the rod 73 and the door closes due to your weight.

The latch 80 comes with the bolt 82 as a result of its spring preload against the upward movement engaged by the tension in the nylon rope 86 due to the action of the piston 12 at one end and due to the weight of the door at the other end.

Starnberg, May 30, 1979/1068

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Claims (16)

-X- 2322134 claims 1. Device for opening a closure element, in particular a garage door, with an as Anchoring elements trained by means of pressure medium actuatable drive mechanism and a movable relative to the anchoring part Drive element with a coupling connecting the drive mechanism to a pressure medium source for executing the movement of the drive element relative to the anchoring part, with one the drive element with the closure element coupling device for the movement of the closure element in response to the movement of the drive element, a device interrupting the pressure medium source to the drive mechanism, as well as with a device for returning the pressure medium from the drive mechanism of the closure element, characterized in that that the pressure medium flowing out of the drive mechanism is discharged from the device. 2. Device according to claim 1, characterized in that that the drive mechanism comprises a sealed piston / cylinder unit (10, 12). 909849/0853 3. Device according to claim 2, characterized in that that the cylinder (10) comprises the anchoring part and the piston (12) the drive part. 4. Apparatus according to claim 2, characterized in that the piston (12) and the anchoring part the cylinder (10) comprises the drive part. 5. Apparatus according to claim 2, characterized in that the piston / cylinder unit (10, 12) is a double-acting unit, the cylinder (10) the anchoring part and the Piston (12) includes the drive part. 6. Apparatus according to claim 2, characterized in that the cylinder / piston unit (10, 12) is a double-acting unit, the piston being the anchoring part and the Cylinder (10) comprises the drive element. 7. Apparatus according to claim 2, characterized in that the drive mechanism is a rotary motor includes. 909349/0859 8. Apparatus according to claim 7, characterized in that that the housing of the motor includes the anchoring part and the rotor and its associated Shaft includes the drive element. 9. Device according to one of the preceding claims, characterized in that the supplied to the drive mechanism Pressure medium is a liquid. 10. Drive mechanism according to claim 9, characterized in that that the liquid has been removed from the pipe network. 11. Device according to one of claims 1 to 8, characterized in that that the pressure medium supplied to the drive mechanism is gas. 12. The device according to claim 11, characterized in that the gas is compressed air. 90 984 57 0859 13. Device according to a ιΙϊγ vorhornahendon claims , characterized, that the coupling for connecting the drive mechanism to a pressure medium source a equipped with a valve for interrupting the supply of pressure medium to the drive mechanism Includes line (32). 14. Device according to one of the preceding claims, characterized, that the device for discharging the pressure medium from the drive mechanism in a discharge line (60) provided valve (58) includes * 15. Device according to one of claims 13 or 14, characterized in that that the valves (54, 58) are electrically operated solenoid valves. 16. Device according to one of claims 13 to 15, characterized in that that the valves can be operated automatically when a radio signal is received. 909849/085 9