DE1584060A1 - Fire or fire door - Google Patents

Description

Fire or fire door

The invention relates very generally to fire or fire shocks, hereinafter referred to generally as doors that are mounted on a rail so that they can slide or move. If there is a fire or a fire in should break out of the vicinity of the door while the door is open, a fusible link or another heat-sensitive element attacked automatically, to let the door open to the closed position

It is a primary object of the invention to provide a fire or fire door which is moved to both the open and closed positions by a motor and to which parts are connected which have a motor driven part which is attached to a fixed support, such as on a wall, is mounted and a bit

May be.

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this

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this cooperating part carried by the door, the door automatically do the one driven by the motor Part to detach or separate in case fire occurs in a certain area, so that the door is automatic can be closed and to allow manual separation of said parts whenever so desired is, for example, if a person should be locked in a room closed by the door will.

Another aim is to create a fire door of the type described, which has new and improved design features, with the parts quickly and easily returned to their normal operating position after the door has been automatically closed by melting the narrow connecting element or linkage can be returned without tools or special prior knowledge

Sin further object is to provide a motor-operated fire or fire door, the new and improved means for connecting the door with the motor-operated Hechanismus and separating or releasing the door from the motor-operated mechanism, the door automatically Tom ■ otorbetätigten Mechanisaus by The effect of a heat sensitive membrane, for example a permanent connection part, can be released if fixation

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at a certain location in a building or the like occurs, for example in a room to which the door is connected.

It is a further object of the invention to provide a motorized fire or fire door of the type described above, wherein the door is mounted on a horizontal rail and wherein the door is automatically motorized by the motor Mechanism is released or disconnected and the door is automatically closed by a counterweight when a fusible connector or other heat sensitive element to the heat of a fire appeals to a given point.

Another goal is to create a motorized fire door that is mounted on an inclined track, this door is normally opened and closed by a motorized mechanism and with This door new and improved facilities are linked to automatically open the door from the motorized one To loosen or separate meohanism and to release the door so that sioh the door through the action of the Gravity can close if a fusible connector melts or if a heat sensitive it Element is put into operation, namely by the heat that emanates from a fire at a certain point.

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Further objects of the invention are to be provided To see door that has a simple and solid structure and that is reliable in operation.

Further objects and advantages of the invention are intended in the following description with reference to the figures shown in the drawing. Show it:

1 is a front view of a motor-operated fire door which is closed by gravity in the event of a fire; wherein an automatic door release is provided and wherein the door is in the open position is shown, and where the motor-driven Part and the part that interacts with it and is carried by the door is shown,

FIG. 2 is an enlarged partial plan view, seen from the line 2-2 of FIG. 1,

Fig. 3 is an enlarged partial front view of the Door supported parts and the part driven by the motor, parts being shown in section,

FIG. 4 is a cross-sectional view of that shown in FIG Device taken in the plane of line 4-4 of Fig. 3,

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Fig. 5 is a horizontal sectional view taken along the line 5-5 of the Pig. "3,

Pig. Figure 6 is a front view of another embodiment in which the door is counterbalanced when on fire is closed »whereby the part driven by the motor and the parts that interact with it, parts carried by the door are shown in engagement with one another,

FIG. 7 is an enlarged partial plan view seen from FIG Line 7-7 of FIG. 6,

Figure 8 is a front view with parts exploded away and in which parts are shown in section, this front view showing the automatic door release with the part carried by the door in driving connection with that driven by the motor Part stands,

Figure 9 is a sectional view taken along line 9-9 of Figure 8 with the parts supported by the door are shown in side view and with parts exploded away, and

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Pig. 10 one of the pig. 9 corresponding partial view showing the parts carried by the door from FIG shows the tob motor driven part released.

Reference is first made to FIGS. 1 to 5. The wall of a building in which there is a door opening B is marked with the reference symbol A, which is opened and closed by a door C. The door has hanging brackets 1 which are firmly connected to the door and which extend upwards from the door and support the rotatably mounted lobes 2, so that the door can be moved along a mounting rail 3 which is firmly attached to the wall above the door by retaining bolts · Si · Mounting rail 3 is opposite the door inclined to so the 'the door when released or detached is, usually along the rail by the action of gravity moves into the closed position. the Movement of the door in the closed and in the open position is limited by conventional stops 5 and 5a.

normally the door is moved in the open and closed positions by a motor. Is is a automatic release or release provided to release the door from the motorized mechanism when a Peuer occurs at a given point, for example

in the vicinity of the doorway.

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Although the construction of such a motor-operated Device can vary within a wide range, it is assumed for the purpose of describing the invention, that this has a guide rail 6 which is attached to the wall A above the rail 3 and ait this is arranged in alignment. The guide rail 6 is preferably made from a tube with a right-angled cross-section formed, which has a longitudinal section 7 in the lower or bottom wall. Inside the guide rail a hollow metal guide plate 8 is arranged to be slidable from one end to the other, which is best from Figures 8 and 9 can be seen. The outer dimensions of these blookes are smaller than the inner ones Dimensions of the guide rail so that this block can slide freely with the inner wall Has a guide rail so that this block moves as it moves can slide freely in the rail.

A motor-driven part is attached to the lower wall of the blooke, which extends from the lower one Wall of the block from extending downwards and which extends through the slot 7, and this part is shown in the form of a pin 9. The block 8 is over a predetermined path along the guide rail moved by a chain 10. One end of this chain 10 is attached to one end of the block 8, as at 11 and the other end of the chain is on the other

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End of Blockea O attached as shown at 12. At one end of the guide rail the chain is guided over a chain wheel 13 and at the other end the chain is guided over a chain wheel 14 which is driven to move the chain in the longitudinal direction when the chain wheel rotates. It should be noted that the two chain wheels are rotatably mounted in the guide rail 6. The chain wheel 14 is in driving connection with a reversible electric motor 15 which is mounted on a frame 16 which is attached to the wall A. The precise structure of the drive mechanism is not essential to the invention. This drive mechanism can be generally of the type shown in U.S. Patent 2,412,871. For a schematic illustration, it should be noted that the mot j 15 has a drive belt connection 17 with a disk 18 on a shaft 19. The pulley is connected to a friction clutch. On the shaft 19 there is a pinion 20 which meshes with a gear 21 on the shaft of the chain wheel 14. The motor can be controlled by a simple single switch, not shown, and this switch can be operated either manually or automatically. In the circuit of the motor and the switch, a magnetic control for the motor may be installed, a select them ehalter to the motor to reverse, and there may be suitable Grenzeehalter superiors

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be seen to interrupt the operation of the motor at the ends of the opening and closing movement of the door. If desired, an electromagnetic brake 22 may be associated with the pulley 18 to control the movements to brake the parts when they approach the bundle layers of their movements. It should be noted that the gear ratio of the drive and the sprocket according to the engine speed and the desired speed of movement the door is determined. Due to this structure, the chain moves in opposite directions when it moves longitudinally Directions of the guide block 8 moves back and forth within the guide rail and the pin 9 normally extends into a sleeve 23 carried by the door which is part of the automatic Release device for separating the door from the motor-driven device in the event of a fire.

You automatic Ausllösvorriohtungs points when shown Embodiment, the sleeve 23, which is in a guide housing 24, which is from a bracket 24a is attached to the door, is slidable in the vertical direction. The sleeve 23 is normally of a spring 25 pressed into a position in which the sleeve receives the pin 9 driven by the motor, such as it is shown in Figs. As shown, the spring 25 is between the bottom wall of the sleeve 23

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and a plate 26 is arranged, which is slidable horizontally in the housing 24 and slidable transversely to the housing in seat braids 27a is mounted in the side walls of the housing 24. The side wall 27 of the Pührungsgehäusea points into the upper End recesses 28 that allow port movement of the door from the pin 9 and past the pin 9 when the Sleeve 23 is pulled down into position to release the pin from the sleeve, as shown in phantom in the Figures 3 and 4 is shown.

For manual actuation of the sleeve 23 in the pin release position, a pull rod 29 is provided, which with the Bottom wall of the sleeve is connected and which extends perpendicularly in the longitudinal direction of the housing 24, wherein the is slidably mounted under part of this pull rod in a guide plate 30 in the housing and with a pull rope connected is. As shown, the pull rod is loosely through an opening 23a in the bottom wall of the sleeve 23 passed through and has a head 32 which rests against this bottom wall. With the pull rod 29 is a Bolt 33 or the like connected, which rests against the plate 30 and the movement of the sleeve under the action the spring 25 is limited. The trigger or release plate 26 is forked so that the legs of the fork enclose the Abeuga rod 29 and release this rod. A tension spring 34 is between the sleeve and a pin 35 in the

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Housing attached to normally the sleeve naofa below or to bias away from the motor-driven pin 9.

i) as the pull rope 31 may have a main part that is based on one side of the door runs, and a junction part 31a, which runs through an opening 36 in the door, so that the pull cord can be operated from either side of the door to manually pull the door from the motorized one Release mechanism to manually open the door from either side, if desired, if, for example, the motorized mechanism should fail.

As previously indicated, the invention provides an automatic release of the door through the sleeve from the motor-driven pin in the event of a fire xü. created in a given area or location. For this purpose, a flexible cable 37 is provided which has one end connected to a heat-sensitive element such as a fusible link 38. The other end of the fusible link 38 is connected to a support arm on the front edge of the Door connected. The other end of the cable is connected to a solid support such as wall A at 40. The middle parts of the cable are guided around a double pulley 41, which is rotatably mounted on the wall and around another double belt pulley.

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log 42, which is connected to a weight 43 * so that the weight is normally held and that Holds the cable and the fusible link under tension. If desired, you can use a heat-absorbing Element or several heat-sensitive elements switched into the cable 37 and arranged in other places , for example in other rooms, as indicated at 44.

Another cable 46 is assigned to the cable 37. One end of the cable 46 is connected to the trip plate 26 and the other end is connected to a solid support such as wall A at 47. The middle part of the cable is guided around the double pulleys 41 and 42.

When the motor-driven pin 9 is connected to the sleeve 23 and when this pin 9 alternately in opposite directions is moved by the motor-operated mechanism 6 to 22, the door is alternately opened and closed and the weight is raised and lowered under the action of the cable 37, and at the same time the cable 46 is held under a low tension that is insufficient to pull the trigger plate 26 off their normal position, which is shown in full lines in the figures, to withdraw. If, however

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any of the heat sensitive elements a temperature rise above a predetermined value should be attacked, the cable 37 is released or released and allows the weight 43 to move down under the action of gravity. Through this a tension is exerted on the cable 46 which is sufficient to move the Abzugspallte 26 from the position below the Pull back spring 25 (Figures 3 and 4) and bring it into the position indicated by dashed lines in Figures 3 and 5 is shown. As a result, the sleeve 23 can be pulled down by the spring 34 and disengaged with the pin 9 driven by the motor, as shown in dashed lines in FIGS. 3 and 4. At the same time, the door is released so that this along the rail 3 under the action of gravity in the can move to closed position.

Let us now turn to the other embodiment of the invention Reference is made to that illustrated in Figures 6-10 is. The motor-operated mechanism, which has the pin 9 driven by the motor, corresponds to that in FIG The above described and the parts of the mechanism are given the same reference numerals for the corresponding parts in Figures 1 to 5 are used. In this embodiment, however, the Rail 40 instead of inclined, as is the case with rail 3 of the

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• Fall is horizontal. The door D is through on the rail Bollen 49 stored, which are rotatably mounted in hanging brackets 50 This arrangement corresponds to hangers and rollers 1 and 2.

The automatic release includes a sleeve 51 »the how the sleeve 23 can be designed, the sleeve 51 being slidably mounted in a housing 52, which is fastened by retaining brackets 53 to the door by means of screws 54. The bottom wall of the sleeve has an opening 55, through which a pull rod 56 extends in hinduoh, which has a head 57 at one end which bears against the upper side of the bottom wall of the sleeve. The other The end of the pull rod is through an opening 58 in the bottom wall 59 of the housing 52 is slidably guided. A compression spring is located between the sleeve and the bottom wall 59 of the housing 60 is used, which normally puts the sleeve in the position of engagement with the pin 9 driven by the motor presses. The movement of the sleeve under the influence of the spring 60 is made possible by a flexible connection such as by a chain 61, which is connected at one end to the tie rod and which is around an intermediate chain wheel 62 is guided around, which is arranged on the holder 53. The other end of the chain is with one Trigger element 63 connected, which has a tubular part 64 which is in a tubular housing 65

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is mounted so that it can slide loosely. The tubular bearing housing is mounted at 66 on the mounting plate 53. It is one Soling plate 67 is provided at one end of the tube 64, so that the tube is normally under the action of the force of the spring 60 against the corresponding end of the bearing tube 65 is applied, as can best be seen in FIG.

For a manual release of the sleeve 51 from the pin 9 is a pull cable 68 is provided, one end of which is connected to the trigger element 63 and which via a Disk 69 runs on the mounting plate 73, with on the other end a handle 70 is provided. Apparently The spring 60 normally holds the sleeve 51 in the position in which the sleeve with the friction pin 9, as in ^ 'ig. 8, is engaged. One on that Cable 68 exerted tension is transmitted to the sleeve via the release element, the chain 61 and the pull rod 56, whereby the sleeve is pulled downwardly away from the pin 9, as shown in Fig. 10, so that the door is independent can move from the drive pin. The housing 62 is provided with recesses 71 in the side walls, so that a solemn passage for the drive pin is created when the door is manually or in some other way than through the motorized mechanism is moved.

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In this embodiment of the invention, means are also provided to automatically detach the sleeve from the motor-driven pin 9 in the event of a fire or any other temperature rise at a given point, because the sleeve is released from the motor-driven pin, the Instead of the action of its own gravity, the door is closed by a counterweight.

In the present case, a flexible connection such as a chain 72 is loosely through the pipe part 64 of the release element through and over a double belt pulley 73, which is rotatably mounted on the wall. A counterweight 74 is attached to the end of the chain 72. The size of the weight is sufficient to cu with a Lowering the weight to move it to the closed position .. The weight is normally against falling held in a cantilevered manner by a cable 75. One end of the cable is connected to the wall at 76. The cable runs then around the double pulley 73 and around a pulley 77, and with the other end this is Cable connected at 78 to one end of chain 72 on the side of the trip element opposite the counterweight. In the cable 75 a desired number of heat-sensitive elements 79 is switched on, which are connected to different Places can be arranged. Mt the chain

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is at a distance when the door is fully open from the end of the switching element 64 a power transmission disc 80 connected, which is intended to grasp the end of the Sohaltelementes to operate this and to disengage the sleeve from motor driven pins when any of the heat sensitive elements hit one responds to a predetermined temperature rise. This enables the cable 75 to be severed, which results in the counterweight 74 can lower.

When the sleeve 51 engages the motor driven pin, the motor operated mechanism can open the door alternately move in opposite directions between open and closed positions. The switching element moves along the chain. When the thermosensitive element responds to a rise in temperature, i.e., if, for example, a fusible link melts, the weight 74 may under the action gravity will fall down and this will pull the chain, causing the power transmission pulley with the end of the trigger element engages and whereby the trigger element in the illustration in the Figures 6 and 8 is pulled to the right. Daduroh the sleeve 51 is disengaged from the one driven by the motor Pin 9 pulled. If this mode of operation is performed while the door is in the open position shown in Fig. 6

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Is in position, the counterweight 74 moves the door to the closed position as it descends.

It can be seen that the invention provides a simple, relatively cheap, reliable fire or Fire door or other lock is created that works in both the open and closed positions can be moved by a motor and which can be automatically released from the motor in an easier and faster manner can, for example, in the pail of a temperature rise at a given point. Furthermore, this closure can be released manually from the motor in a simple and quick manner, and whenever this is desired, for example if the mechanism operated by the motor fails and if a person is trapped in a room, which is locked by the lock or the door.

After the door has been automatically operated as a result of a rise in temperature, the parts can be returned to their starting position or normal operating position in a simple and quick manner by simply resetting or by simply replacing the heat-sensitive elements and by manual actuation of the sleeve and the Door to reconnect the door to the motor driven pin. All of these activities can be performed without and without special tools

Special knowledge can be carried out. BAD ORK31MAL

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In the figures of the drawing and in the preceding Description were two preferred embodiments of the invention shown and described. It should be noted that the illustration and description of these exemplary embodiments have been given for the purpose of explaining the invention and that the invention is not restricted to these exemplary embodiments. There can be modifications and changes are made, which are within the scope of the invention. Obviously, for example, the rail 3 be placed horizontally and a counterweight can be used in a manner known per se v / ground to the door close.

Claims

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Claims (10)

"20" 1- 58 4Ö6 O p a te η t a η a P r -U ο h e 1) / Motorized fire or fire door for one door opening in a wall with a mounting rail that is attached to the wall above the door opening, characterized in that the door is along the rail is movable in the open and in the closed position that a motor is provided that has a connection with the door to open and close the door, the connection being two parts which are normally connected to each other in opposite directions to each other to move, but these parts can be separated from each other that a guide rail is provided is along which the one Te. ' every time by the motor alternately in opposite directions Directions is moved while the other part of the door is carried to the door under the action to open and close that automatic means are provided that a heat sensitive element have which is connected to one of the connecting parts to disconnect them when said Element is responsive to an increase in temperature in the vicinity of the thermosensitive element, whereby the door is completely disengaged from the motor and thereby actuation of the door by the motor in both BAD ORKaINAL 009812/0135 directions Directions prevents that means are provided to close the door in the event of a separation of the parts conclude. 2) fire or fire door according to claim 1, characterized in that that the automatic means have a release element which is movably mounted on the door and which controls a separation of the part carried by the door from the part driven by the motor, that a detachably suspended weight is provided and a connection between the weight and the switching element to actuate the switching or triggering element when releasing the weight that a Connection between the weight and the heat-sensitive element is provided, which normally keeps the weight in the floating position, which, however, holds the weight in the event of a rise in temperature in the surrounding area of the element that is sensitive to heat. 3) fire or fire door according to claim 2, characterized by a connection between the weight and the door, to move the door to the closed position upon release of the weight by the heat-responsive Bring element il 0098 * 2/0135 bad 4) fire door according to claim 2 or 3, characterized in that the rail is inclined to the door in the closed Position by the sin effect of gravity after breaking the connection between to move the part driven by the motor and the door. 5) fire door according to one of claims 2 to 4, characterized by means of normally the part on the door in engagement with the part driven by the motor press, and by means of the part carried by the door resiliently from the part driven by the motor the actuation of the switching element by the lowering to push away the accused. 6) fire door according to claim 5, characterized in that the trigger element is the part that is normally in releasably holding the part on the door in engagement with the part driven by the motor. 7) fire door according to claim 5 or 6, characterized by a connection between the trigger element and the part carried by the door, which is used to release the the part carried by the door from the part driven by the motor after a movement of the release element a drop in weight is planned, BATH ORIGINAL 8th) 009812/0135 "~ 1584080 8) Fire or fire door according to one of claims 4 to «7> characterized in that the connection between the weight and the heat-sensitive element with the door is connected on the side of the heat-sensitive element that is exposed to the weight (rain. 9) Fire door according to any one of claims 2 to 8, characterized in that the automatic means comprise a flexible connection which has parts connected by the heat-sensitive element to one end of the connection which is attached to the weight, wherein the other end is fastened to the wall, that on the wall there are disks which carry the flexible connection to hold the weight hanging, that the Auslcseeleiaent laags part of the flexible connection is movable during the opening and closing of the door, that a force transmission element is attached to the flexible connection to come into abutment against the trigger element and to move this element through the force transmission element when the door is in the open position and when the thermosensitive element is responsive to a rise in temperature, thereby releasing the weight becomes and sinks to a separation of the part carried by the door vo in the pin driven by the motor. BATH ORIGINAL 009812/0135 10) fire or fire door according to claim 9> marked by a power transmission connection between the power transmission element and the door after separation the part carried by the door of that carried by the Kotor driven pin, this connection being provided to close the door when the weight drops conclude. BAD OnSGSNAL 009812/0135