Classifications

• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
  • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
  • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
  • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
  • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
  • E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
  • E05F1/1215—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a canted-coil torsion spring
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
  • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
  • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
  • E05F3/221—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones

Definitions

• the invention relates to a spring joint which has an outer jacket sleeve and a driver which is guided in the jacket sleeve and which projects out of the jacket sleeve in the region of its ends and which can be braced relative to the jacket sleeve by at least one spring and in which an end piece of the spring can be deposited in the area of a receptacle such that a force effect between the spring and the casing sleeve and the driver is realized only for a partial region of a rotational path of the driver relative to the casing sleeve.
• the object of the present invention is therefore to construct a spring joint of the type mentioned in the introduction in such a way that an improved adaptability is realized.
• the spring be preloaded.
• a pretensioning element is provided for adjusting the pretensioning of the spring, which engages with its thread in a thread of the driving sleeve.
• a simple implementation in terms of device technology is provided in that the location of the depression can be specified by a program element that can be rotated relative to the casing sleeve.
• a further variant for determining the way to work is that at least one flank of the depression is adjustable.
• a compact embodiment is supported in that the program element engages with a thread in a thread of the driving sleeve.
• Spare fatt Driver sleeve is divided into a head part which is fixedly connected to the driver and a freewheel part which is arranged facing the casing sleeve.
• a freewheel recess be formed in the area of the freewheel part.
• the preload force can be introduced into the driver in that a spring stop for prestressing the spring is arranged in the region of a stop carrier and in that the stop carrier is adjustable relative to the casing sleeve.
• the movement characteristics can be further influenced by the fact that the driver is acted upon by a damping element.
• a damping element for damping rotational movements which has a fixed wall and a rotatable flap within a damping chamber and that at least one passage recess is arranged at least in the area of the fixed wall or the flap.
• the damping element When longitudinal movements are damped, it is possible for the damping element to be formed from a piston plate guided in a cylinder and for the piston plate to be provided with at least one passage recess.
• a check valve be arranged in the area of the passage recess.
• Spare sheet End position determination can be supported by arranging a locking notch in the area of the driver sleeve to determine an end position.
• Spare sheet 10 a simplified representation of a cross section to illustrate the use of a roller bushing in the region of a spring end for reducing friction
• Spare sheet 20 a partially sectioned side view of a spring joint with tracking of the preload
• FIG. 1 illustrates a spring joint 1, in which an outer jacket sleeve 2 is provided, through which a driver 3 is guided.
• the jacket sleeve 2 is divided into a driving sleeve 4 and a reference sleeve 5.
• the driver sleeve 4 is immovably connected to the driver 3, for example by a connecting bolt 6.
• the driver 3 is rotatable relative to the reference sleeve 5.
• the reference sleeve 5 can for example be firmly connected to a chassis of a vehicle or a frame of a window or a door. Fixed arrangements in the area of device housings are also possible.
• the driver 3 is connected, for example, to a loading flap or a door.
• a connection to windows or doors is provided, and a connection to appliance doors or flaps is also possible.
• a compression spring 7 is arranged within the reference sleeve 5.
• the compression spring 7 is guided around the driver 3.
• One of the ends of the compression spring 7 is received by a recess 8 in a prestressing element 9.
• the prestressing element 9 can be designed, for example, as a bolt provided with an external thread, which is guided in an internal thread of the reference sleeve 5.
• the bolt additionally has a passage recess for the driver 3.
• a hexagon for example, can be arranged on the outside of the prestressing element 9 to enable twisting with a wrench.
• a locking screw 10 is provided which is rotatably guided within the reference sleeve 5 and clamps the reference sleeve 5 relative to the biasing element 9.
• the locking screw 10 is arranged with its longitudinal axis transverse to a longitudinal axis 11 of the joint.
• a program element 12 is guided on the reference sleeve 5 and can be designed, for example, as a socket.
• the program element 12 can be rotated relative to the reference sleeve 5 and can be braced relative to the reference sleeve 5 by a locking screw 13.
• a stop support 14 is also adjustable relative to the reference sleeve 5, which supports a spring stop 15 and can be fixed relative to the reference sleeve 5 by a locking screw 16.
• the program element 12 has a recess 17 for receiving an end of the compression spring 7 facing away from the prestressing element 9.
• the driving sleeve 4 has a freewheel recess 19 arranged facing the reference sleeve 5.
• the driving sleeve 4 consists of a head part 20 and a freewheel part 21.
• the freewheel part 21 carries the freewheel recess 19.
• the freewheel part 21 is adjustable relative to the head part 20. In this way, the positioning of the freewheel recess 19 can be predetermined.
• a locking screw 22 is provided, which extends essentially perpendicular to the longitudinal axis 11 of the joint.
• the driver 3 can be guided by a bush 23 in the area of the driver sleeve 4.
• the driver 3 is braced with the aid of a tension element 24, for example a nut guided on an external thread of the bolt-shaped driver 3. Facing away from the tension element 24, a removal element 25 is connected to the driver 3 in order to enable a connection of the element to be moved.
• FIG. 2 shows a simplified cross section according to the representation in FIG. 1.
• these components are guided against one another.
• the spring stop 15 is arranged on the outside relative to the casing sleeve 2 such that the driving sleeve 4 can be rotated relative to the casing sleeve 2.
• the spring end 18 is guided within the freewheel recess 19 and, according to a simplified embodiment, the driving sleeve 4 is made in one piece and not divided into a head part 20 and a free running part 21.
• two tensioning elements 24 are provided in order to be able to fix them by tightening the tensioning elements 24 relative to one another.
• FIG. 3 shows a simplified side view of the device according to FIG. 1.
• the stop support 14 is provided with recesses 26 through which the locking screw 13 can be passed. After loosening the locking screw 13, the stop support 14 can thereby be rotated, and after the locking screw 13 has been passed through another of the recesses 26, a new fixation can be carried out. It is thus possible to provide only one bore within the programming element 12 for receiving the locking screw 13. In principle, however, it is also conceivable to dispense with such a bore and merely to tension the stop support 14 relative to the programming element 12 by means of the locking screw 13. In such an embodiment, a plurality of recesses 26 can be dispensed with.
• Spare sheet Fig. 4 illustrates an embodiment of the Mitneh ⁇ merhülse 4, wherein the voltage between the elements 24 and one of the tension members 24 and the head portion 20 respectively, elastic members 27 are arranged.
• the elastic elements 27 provide a flexibility of the guide of the driving sleeve 4 in the direction of the longitudinal axis 11 of the joint.
• the elastic elements 27 according to FIG. 4 can, for example, be formed as spring washers or as rubber rings.
• 5 shows a view of the freewheeling part 21 or the driving sleeve 4, in which a locking notch 28 is arranged in the area of the boundary which can be turned towards the casing sleeve in addition to the freewheel recess 19.
• the driver sleeve 4 can engage in the area of the spring end 18 when it is received by the recess 17 in the area of the programming element 12.
• Spare sheet 6 shows in a cross section once again the engagement of the prestressing element 9 with an external thread in an internal thread of the casing sleeve 2.
• FIG. 7 shows a possibility of realizing damping during a rotary movement of the spring joint 1.
• a fixed wall 30 and a movable flap 31 are arranged in a damping chamber 29.
• At least one through recess 32 is provided in the fixed wall 30 or the flap 31.
• the damping chamber 39 is filled with a liquid, for example with hydraulic oil.
• the size of the damping is predetermined by the dimensioning of the passage recess 32 and by the viscosity of the liquid.
• the passage recess 32 can also be formed as a distance between the flap 31 and a wall of the damping chamber 29.
• FIG. 8 A variant for realizing damping during a longitudinal movement is shown in FIG. 8.
• a piston plate 34 is guided in a cylinder 32, in the area of which the passage recess 32 is arranged.
• 32 check valves 35 are arranged in the area of the through recess.
• the spring-loaded check valves open when moving in a freewheeling direction 36, and the hydraulic fluid stored in the damping chamber 39 can flow through the through recesses 32 relatively unhindered.
• the check valves 35 close and the liquid can only pass through the remaining cross sections provided.
• the remaining cross-sections can be provided, for example, in the area of separate passage recesses 32, or can be realized by corresponding residual cross-sections in the area of the check valves 35 or by edge distances.
• the use of such check valves 35 makes it possible, for example, to provide only minimal damping when a door is opened, and to have the damping only take effect when the door is closed. It is also possible, for example, by a suitable arrangement of the damping chamber 39, to develop the damping forces only in a predetermined range of the closing movement. This can be, for example, shortly before the element to be damped is completely closed in order to weaken an impact, for example a door in a frame.
• the piston plate 34 is connected to a piston rod 38 which is led out of the damping chamber 29 in the area of a seal 39.
• a further variant for providing a residual cross section in the embodiment according to FIG. 8 is to use a tube 41 as a connecting element between a valve cone 40 of the check valve 35 and the spring 37, through which the liquid can flow.
• the biasing element 9 is designed here as an outer ring and the driver 3 is supported by a guide bush 42 in the region of its insertion into the casing sleeve 2.
• a guide bush 43 is also arranged in the region of the head part 20.
• the freewheel recess 29 is shown both in an orientation corresponding to the positioning of the freewheel part 21 and in an alternative orientation.
• a control element 44 for a spring head or a force element is arranged in the area of the program element 12 in the area of one of the flanks of the depression.
• the decrease in force can optionally take place on the driver 3 or on the driver sleeve 4, which is rigidly connected to the driver 3 in the region of the head part 20 by the connecting bolt 6.
• a roller bushing 45 is provided on the spring end 18.
• the resistance can be reduced when the spring end 18 moves in the region of the flanks of the freewheel recess 19 or the recess 17.
• the locking notch 28 is also shown.
• FIG. 11 also shows the arrangement of the locking notch 28 again in a different representation.
• FIG. 12 shows a further possibility for realizing damping.
• a fixed disk 46 and a rotatable disk 47 are arranged parallel to one another.
• the disc 46 is provided with a damping element 48 and the disc 47 with a damping element 49.
• the rotatable disk 47 is guided by a shaft 50 which projects through a fixed bearing 51. Relative to the fixed bearing 51, the disc 47 is acted upon by a compression spring 52 which presses the disc 47 against the disc 46.
• the geometrical arrangement of the damping elements 48, 49 makes it possible to provide a range of motion in which no damping takes place. If the damping elements 48, 49 reach a contact area, damping takes place. The required flexibility is provided by the compression spring 52.
• a profile 53 is drawn in FIG. 13, along which a roller 54 can be moved.
• a compression spring 52 acts on the roller.
• the spring joint 1 described can be arranged in series in any number in a modular manner. As a result, either greater force developments by adding the spring forces or more complicated overall spring characteristics by superimposing a plurality of freewheels and program paths can be achieved.
• a functional sequence in the spring joint 1 shown in FIG. 1 can take place, for example, such that when the removal element 25 is rotated, the rotary movement is transmitted to the freewheel part 21 and the freewheel recess 19 is first guided along the spring end 18. After reaching the boundary flank of the freewheel recess 19, the spring end 18 acts on the freewheel part 21 and the force of the compression spring 7 becomes effective as a result. The force is transmitted to the driver 1 until the spring end 18 reaches the recess 17. After the spring end 18 has been deposited in the recess 17, the further movement is again without force.
• a defined end position for the movement can be achieved, for example, by latching the locking notch 28 in the region of the spring end 18 placed in the recess 17.
• the spring joint 1 it is also possible for the spring joint 1 to be able to perform two movements with a compression spring 7 that can be tensioned. It is also possible to program at least one spring joint 1 that can be preloaded.
• Spare leaf can be locked, locked and damped to provide several working stages in one direction of movement.
• force can also be deployed in one direction of movement with an opposite movement.
• the freewheel recess 19 has a first freewheel stage 55 and a second freewheel stage 56.
• a first program stage 57 is also arranged in the area of the program element 12 in addition to the deepening.
• the possibilities already described for realizing various settings can also be used.
• this embodiment it is possible with this embodiment to implement a plurality of stages with a compression spring 7.
• the first freewheel takes effect along a certain part of the path, after which the spring end 18 engages in the region of the boundary flank of the first freewheel stage 55, so that the compression spring 7 takes effect.
• a backdrop 58 is provided for this purpose, which can be designed as a sliding or sliding backdrop.
• the backdrop 58 has control slots 59 for relaxation.
• a guide pin 60 is arranged in the area of the control slots 59.
• the guide pin 60 is connected to a force-absorbing rotating part.
• a snap-in notch 61 is provided in the area of the casing sleeve 2.
• the spring end 18 bears against the spring stop 15.
• the guide pin 60 adjusts the link 58.
• a further end of the compression spring 7 facing away from the spring end 18 is guided within a control slot 62 and changes the pretension of the compression spring 7. For example it is possible by a corresponding adjustment to keep the spring pressure constant.
• the casing sleeve 2 is provided with a second program element 63.
• a second stop support 64 and a second spring stop 65 are also provided.
• the driver 3 is also one of the first
• Spare sheet Driving sleeve 4 connected second driving sleeve 66 connected.
• the second spring end 67 facing away from the spring end 18 is initially held in a second recess 68 which is arranged in the region of the second program element 63. In the area of the spring end 18, the sequence initially takes place in the manner already described.
• the second recess 68 reaches a recess 69 of the second driving sleeve 66, then depending on the respective positioning of the spring end 18, either the spring force is switched off when the spring end 18 is still in the region of the freewheel recess 19, or a force is developed in the opposite direction of rotation ⁇ tion when the spring end 18 is already held in the recess 17 and abuts the corresponding flank.
• Appropriate dimensioning of the provided recesses also allows freewheels to be specified in both directions of rotation.
• the adjustment options already mentioned can also be implemented in the area of the second components 63, 64, 65, 66, 67, 68 via adjusting elements 70, 71, 72.
• a pivotably mounted element 73 can be pivoted about a pivot bearing 74, which in the loading
• Spare sheet rich of a carrier 75 is arranged.
• the carrier 75 additionally holds a cam track 76.
• a roller 77 is guided on the cam track 76 and is tensioned relative to the element 73 via a compression spring 78.
• the compression spring 78 is arranged along a spring 79 which is rotatably connected to the element 73 in the region of a pivot bearing 80.
• a presetting can be entered via a prestressing element 81.
• a suitable shape for the cam track 76 makes it possible, for example, to first provide a tension and then a relaxation of the compression spring 78 when the element 73 is pivoted. In this way, for example, a dead center position can be achieved.
• Such springs with free running or definable unfolding are disclosed, for example, in the previous applications PCT / EP96 / 02157 and PCT / EP94 / 00157, the disclosure of which is also to be counted among the disclosures of the present application.
• the passage recess 32 is formed here as a distance between the piston plate 34 and the cylinder wall 33.
• no fixed piston plate 34 is provided, but instead, at least in some areas, it is possible to adjust the size of the passage recess 32 by means of displaceable elements.
• the size can be adjusted, for example, with the aid of a valve setting 82, which extends through a hollow piston rod 38 into the region of the piston plate 34.
• Valve elements 84 are guided and fixed via holding elements 83
• the valve setting B2 can be designed, for example, as a torsion bar, which engages in the holding element 83 via a corresponding thread and, by means of a corresponding translation, carries out the adjustment of the valve elements 84.
• a multi-stage determination is realized using a compression spring 7 with adjustment movements running in a longitudinal direction.
• a runner 87 which has a driver 88, is guided along a program tube 86.
• the compression spring 7 is arranged within the program tube 86.
• Storage positions 91, 92 are provided in the region of ends of the guideways 89, 90.
• a parking position 93 is realized.
• a first step 94 and a second step 95 are provided by the arrangement of the guide tracks 89, 90.
• opposite voltage and discharge directions are present in the area of the first stage 94 and the second stage 95.
• a voltage occurs when the rotor 87 moves from top to bottom and a discharge occurs when the movement is reversed.
• the discharge takes place during a movement
• two springs 7 are used.
• the springs are brought together in the region of ends 96, 97 in such a way that when one spring 7 is braced, the other spring 7 is relaxed. In this way, a constant bias of the working spring can be achieved.
• the ends 96, 97 are positioned by a link guide.
• springs 7 A large number of components can be used as springs 7.
• compression springs and tension springs can be used.
• elastic elements for example rubber elements or gas pressure elements.
• air pressure springs, leaf springs and torsion springs is also considered.
• FIG. 21 illustrates the structure and arrangement of a link 98 for positioning the spring ends 96, 97.
• the link 98 is movably guided along the casing sleeve 2 and is guided by a guide element during a relative movement between the link 98 and the casing sleeve 2 99 positioned.
• the guide element 99 can for example run as a along the jacket sleeve 2
• Spare sheet the web can be formed, which engages in a counter profile of the cooling element 98.
• FIG. 23 shows a variant in which an end of the spring 7 is not provided directly for the parts determining the programmability, but in which the relevant end of the spring 7 is inserted into a coupling element 101.
• the coupling element 101 engages in the freewheel recess 19 and in the recess 17 with a corresponding connecting element 102.
• the spring 7 is designed as an elastic element, for example as a rubber band.
• a tension is provided by a weight 103.
• the elastic element 7 is guided in the region of a plurality of deflection rollers 104.
• a pretensioning wheel can be arranged in the area of at least one of the deflection rollers 104. This is preferably done in the region of the end of the resilient element.
• Spare sheet 26 shows an embodiment in which the spring 7 is arranged spatially separated from the swivel joint.
• the connection is made via a line 107, which can be designed, for example, as a hydraulic line.
• a medium guided in the line 107 acts on a cylinder 108, which tensions the spring 7.
• a fixed wall 111 and a movable wall 112 are provided in a chamber 110.
• the movable wall 112 is coupled to the part to be moved.
• the rotary movement is hereby effected by appropriately introducing or sucking off liquid from the chamber 110.
• the feed line in the area of the fixed wall 101 can be designed, for example, as a spring nozzle.
• FIG. 28 shows a schematic cross section through the device according to FIG. 27. It can be seen that a locking recess (113) is provided in the area of the casing sleeve (2). It can also be seen that the components used have essentially annular cross-sectional structures.
• FIG. 29 shows again in a side view that a plurality of locking recesses (113) are arranged along the circumference of the casing sleeve (2). In this way, a suitable locking recess (113) can be selected to carry out the locking process.
• the coupling with the parts to be moved can take place directly or via gears.
• gears For example, over sprockets or gears.
• a plurality of springs can be connected in parallel, which in turn can each be assigned a cam track 76 (carrier 75).
• An embodiment in which a plurality of springs 78 are assigned to a curved track 76 can also be implemented. Due to the different springs, the energy for resetting the element 73 can be set or programmed in stages.
• the springs 78 can also be designed with different spring constants.
• the cam track 76 can be mounted on the pivot bearing 80, so that the prestressing element 81 is supported with the spring support in the region of the pivot bearing 74 at the bottom in FIG. 17 and the spring 78 with the roller 77 is directed upwards extends to the pivotable element 73 (ramp).
• the spring 78 could also be mounted in a stationary manner, while the cam track 76 is coupled to the pivotable element 73 in such a way that its pivoting movement is transmitted to the cam track 76, so that the spring depends on the pivot angle and the geometry of the cam track 76 programmable tension and relaxation.

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• Springs (AREA)
• Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Priority Applications (3)

Applications Claiming Priority (4)

Publications (1)

Family

ID=26020102

Family Applications (1)

Country Status (4)

Cited By (1)

Citations (7)

• 1996
  • 1996-11-04 JP JP9516989A patent/JPH11514417A/ja active Pending
  • 1996-11-04 AT AT96945854T patent/ATE178969T1/de not_active IP Right Cessation
  • 1996-11-04 WO PCT/DE1996/002088 patent/WO1997016617A1/de active IP Right Grant
  • 1996-11-04 EP EP96945854A patent/EP0858542B1/de not_active Expired - Lifetime

Patent Citations (7)

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