EP3478916B1 - Drawing-in device for objects with high inertia - Google Patents

Drawing-in device for objects with high inertia Download PDF

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Publication number
EP3478916B1
EP3478916B1 EP17748380.7A EP17748380A EP3478916B1 EP 3478916 B1 EP3478916 B1 EP 3478916B1 EP 17748380 A EP17748380 A EP 17748380A EP 3478916 B1 EP3478916 B1 EP 3478916B1
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EP
European Patent Office
Prior art keywords
support element
guide
guide rail
driving
retraction device
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EP17748380.7A
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German (de)
French (fr)
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EP3478916A1 (en
Inventor
Martin Zimmer
Günther Zimmer
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Individual
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Individual
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Priority to PL17748380T priority Critical patent/PL3478916T3/en
Publication of EP3478916A1 publication Critical patent/EP3478916A1/en
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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
    • E05F1/16—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E05F5/027—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops with closing action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/23—Combinations of elements of elements of different categories
    • E05Y2800/24—Combinations of elements of elements of different categories of springs and brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the invention relates to a retraction device with a housing, in which a driver element can be guided between a stable parking position and an end position by means of two bearing elements along at least one first guide slot section and a second guide slot section enclosing an obtuse angle therewith, the driver element having a third bearing element which forms a swivel-and-slide joint with a driver element guide part that can be guided in the direction of the second guide link section and is loaded in the direction of the end position by means of a spring energy store, the third bearing element being seated in a guide hole of the driver element guide part.
  • the EP 2 466 047 A1 discloses a device in which the driver element is mounted with a pin in an elongated hole of a carriage and with two pins in a carrier plate. If an object of great inertia strikes, either the driver, which is designed as a wheel, can jump out of the depression in the driver element or the pins of the driver element jump out of the conductor tracks of the carrier plate.
  • the present invention is based on the object of developing a draw-in device that is operationally reliable with high inertia.
  • the entrainment element guide part has at least one stop for limiting the pivoting of the entrainment element which protrudes beyond the first bearing element on the side facing away from the second guide link section.
  • the swivel and slide joint has a thrust direction which includes an acute angle with the direction of the first guide slot section, the apex of said angle being on the side facing away from the second guide slot section with respect to the bearing pin.
  • Objects of great inertia are, for example, sliding doors of great mass, e.g. 50 kg - 80 kg, which are moved at high speed, e.g. 1 meter per second to 1.5 meters per second, into their closed end position, for example.
  • the load that suddenly occurs on the driver element is absorbed by the arrangement and the design of the swivel and slide joint in combination with the stop in the driver element guide part. Due to the design of the bearing points and their arrangement with respect to one another, the pull-in device is self-locking in the stable parking position.
  • the Figures 1 - 10 show a retraction device (10).
  • retraction devices (10) are used, for example, to pull sliding doors, drawers, etc. into this closed end position in a partial stroke of the closing stroke adjacent to the closed end position, for example.
  • a driver (5) is arranged on the sliding door, which, when the sliding door is closed, couples with a driver element (41) of the pull-in device (10).
  • the entrainment element (41) is here initially in the Figure 2 shown stable parking position (13), where it is inclined, for example, at a pivot angle ( ⁇ ) to the longitudinal direction (15).
  • the driver (5) releases the driver element (41) from this stable parking position (13) so that the retraction device (10) moves the sliding door in the closing direction (16) the end position promotes.
  • the entrainment element (41) is then in the Figure 1 illustrated end position (14).
  • the driver (5) pulls the driver element (41) out of the end position (14), cf. Figure 1 , in the opening direction (17) in the stable parking position (13), cf. Figure 2 .
  • the driver element (41) is locked in a non-positive and / or form-fitting manner.
  • the retraction device (10) can also be used in a partial stroke of the entire opening stroke adjacent to the open position.
  • the draw-in device (10) comprises a housing (21) in which the entrainment element (41), a entrainment element guide part (61) coupled to it and a spring energy store (81) forming a drive element (81) are arranged.
  • the retraction device (10) also has a damping device (100) which counteracts the spring energy store (81).
  • the housing (21) has a shell-shaped housing base (22) and a housing cover (23).
  • the two housing parts (22, 23) are connected to one another, for example, by means of a form-fitting connection. They can also be glued or screwed together.
  • the housing (21) On one of its narrow sides (24) oriented in the longitudinal direction (15), the housing (21) has a housing opening (25) through which the entrainment element (41) protrudes from the housing (21). This housing opening (25) adjoins an end face (26) of the housing (21) or is at a small distance from this end face (26).
  • the mutually facing inner side surfaces (27, 28) of the two housing parts (22, 23) are designed to be mirror images of each other, so that all guide and guide elements (29, 31, 37, 38) on the housing side both in the housing base (22) and in the housing are present in the housing cover (23).
  • a conductor track (29) and a guide track (31) are arranged on each of the inner side surfaces (27, 28).
  • the straight interconnect (29) oriented in the longitudinal direction (15) lies at least approximately in the middle. Their length oriented in the longitudinal direction (15) is, for example, greater than 80% of the length of the pull-in device (10).
  • the interconnect (29) has a constant width.
  • a guide track (31) is arranged on each of the two inner side surfaces (27, 28) between the interconnect (29) and the housing opening (25). This has a first section (32) oriented obliquely to the housing opening (25) and a second section (33) oriented parallel to the longitudinal direction (15). This second section (33) is oriented in the direction of the end face (26) adjacent to the housing opening (25). Its length is, for example, 55% of the length of the interconnect (29). Both sections (32, 33) are connected to one another by means of a curved transition section (34). In the exemplary embodiment, the guide track (31) has a constant width over its length.
  • the respective inner flanks of the guideways (31) oriented in the direction of the interconnect (29) form guide slots.
  • the first guide track section (32) thus has a first guide slot section (35) and the second guide track section (33) has a second guide slot section (36).
  • the two guide link sections (35, 36) enclose an obtuse angle ( ⁇ ), for example 100 degrees. This angle can be between ⁇ / 2 in radians and ⁇ lie, the included angle ( ⁇ ) being oriented in the direction of the interconnect (29) and ⁇ being the number of circles.
  • both cylinder slide tracks (37, 38) are arranged parallel to one another. Both cylinder slideways (37, 38) oriented in the longitudinal direction (15) have the same length in the exemplary embodiment, e.g. 52% of the length of the guide path (29).
  • the cylinder sliding path (38) further away from the conductive path (29) is delimited on the end face (26) by means of a housing support surface (39).
  • the entrainment element (41) is designed symmetrically to a central longitudinal plane of the draw-in device (10) which penetrates the housing opening (25). It has a catching area (44), a driving area (52) and three bearing elements (42, 43, 56) on each of the sides oriented parallel to the central longitudinal plane.
  • the first and second bearing elements (42, 43) can be arranged on one side of the driver element (41). It is also conceivable to design the driver element (41) with a single third bearing element (56).
  • the catch area (44) faces the first guide track section (32), a holding area (32). On a locking pin (45) it has an opening (49) and an actuating surface (48) oriented against the closing direction (16). The connection of the actuating surface (48) to the closest guide element (42) is thus designed to be elastically deformable.
  • the catch area (44) is delimited by means of a second catch pin (46).
  • the driving area (52) is, for example, U-shaped and is arranged between the catch pin (46) and a thrust pin (47).
  • Both bearing elements (42, 43) are designed, for example, as cylindrical guide pins. In the exemplary embodiment, its diameter is 98% of the height of the guide track (31), which is oriented parallel to the aforementioned central longitudinal plane. They are spaced from one another by the reference distance (L), cf. Figure 12 .
  • the reference distance (L) is the distance between the center lines of the guide pins (42, 43) from one another.
  • the center line of the first bearing pin (42) is the origin (8) of a coordinate system lying parallel to the central longitudinal plane, the abscissa (6) of which points as a half-line in the direction of the center line of the second bearing pin (43).
  • the positive ordinate (7) normal to the abscissa (6) points in the direction of the capture area (44).
  • the abscissa (6) is referred to below as the x-axis and the ordinate (7) as the y-axis.
  • the bearing elements (42, 43) can also have cylindrical section-shaped jacket surfaces in certain areas, which can be contacted with the guide link sections (35, 36).
  • the reference distance (L) is then the distance between the imaginary radius center lines of the bearing elements (42, 43).
  • the two opposing third bearing elements (56) are designed as bearing journals (56). In the direction normal to the aforementioned central longitudinal plane, these are shorter than the first bearing elements (42) and the second bearing elements (43).
  • the geometric center line of the third bearing elements (56) lies in the illustration of Figure 12 below the half-line forming the abscissa (6).
  • the distance (79) of the third bearing element (56) to The abscissa (6) is greater than the difference between the product of the length (L) and the cotangent of the angle ( ⁇ ) and the product of the tangent of half the pivot angle ( ⁇ ) and the distance between the plumb line (57) of the third bearing element (56) ) to the origin (8). This results in a limit straight line (9) for the coordinates of the respective third bearing element (56), cf.
  • Figure 12 y ⁇ L. * cot ⁇ - x * tan ⁇ / 2
  • the center line of the respective third bearing element (56) is located in the area of the angle ( ⁇ ) enclosed by the guide link sections (35, 36).
  • the distance from the origin (8) to the solder foot point (57) of the third bearing element (56) on the abscissa (6) is one third greater than the reference distance (L).
  • the driver element (41) is mounted on both sides in the driver element guide part (61) by means of the two third bearing elements (56), cf. Figure 7 .
  • this is guided in the driving element guide part (61).
  • the third bearing element (56) is seated in an elongated guide hole (62) so that the two parts (56, 61) form a swivel and slide joint (63).
  • the thrust direction (58) of the sliding pivot joint (63) is directed normal to the longitudinal direction (15).
  • the angle can, however, also be designed differently, the first guide link section (35) and the thrust direction (58) enclosing an acute angle, the apex of which is on the side of the abscissa (6) facing away from the third bearing element (56). In relation to the bearing journals (42, 43), the apex is on the side facing away from the second guide link section (36).
  • the elongated guide hole (62) has relative to the third Bearing element (56) has a positive fit so that the bearing pin (56) is guided in the elongated guide hole (62).
  • the driver element guide part (61) has two guide cheeks (64, 65) between which the driver element (41) sits.
  • the guide cheeks (64, 65) are connected to one another at least in the area of the base (66) facing away from the entrainment element (41) and in the area pointing in the opening direction (17). It is also conceivable to design the driver element guide part (61) in the region of the guide cheeks (64, 65) as a largely closed profile.
  • An arcuate elongated hole (67) is arranged in each of the guide cheeks (64, 65).
  • the mean radius of the respective arc is 95% of the reference distance (L).
  • the center of the radius lies in the representations of Figures 1 to 3 below the triangle formed by the three bearing elements (42, 43, 56).
  • the arc angle of the elongated hole (67) is 13% larger than the pivot angle ( ⁇ ), the lower end of the elongated hole (67) enclosing an angle of 6 degrees with the longitudinal direction (15) in the representations of the figures mentioned.
  • the elongated hole width oriented in the radial direction of the elongated hole (67) is, for example, 6% larger than the diameter of the first bearing pin (42).
  • the upper end of the individual elongated hole (67) in each case forms a cap-like stop (68). These stops (68) overlap the respective first bearing element (42) on both sides of the driver element (41).
  • the distance between the stops (68) and the second guide link section (36), oriented normal to the longitudinal direction (15), can be smaller than the width of the second guide track section (33) oriented in the same direction.
  • reinforcement disks (69) are formed on the guide cheeks (64, 65).
  • the thickness of the reinforcement washers (69) is 1% of the reference distance (L) in the exemplary embodiment.
  • the driver element guide part (61) On the guide cheeks (64, 65), the driver element guide part (61) has a first sliding pin (71) on each side.
  • the nominal diameter of this guide pin (71) corresponds to the nominal width of the interconnect (29) oriented parallel to the central longitudinal plane.
  • This first sliding pin (71) is shown in the Figures 1 - 3 and 7th below the driver element (41) spaced by half the reference distance (L) from the elongated guide hole (62).
  • the two guide cheeks (64, 65) can also be designed differently. With a corresponding design of the driver element (41) and / or the housing cover (33), one of the guide cheeks (64; 65) can be designed without the elongated hole (67), the first guide pin (71) and / or the guide elongated hole (62).
  • a second guide peg (72), which is embodied on both sides in the exemplary embodiment, is, for example, spaced from the first guide peg (71) by more than four times the reference distance (L). It is located in the area of a deflection disk (73) which is part of a spring mount (74).
  • This spring receptacle (74) comprises a spring holder (75) and a spring guide surface (76).
  • the spring energy store (81) is mounted in the spring receptacle (74) in the form of a tension spring (81).
  • a first end (82) of the tension spring (81) is held in the spring holder (75).
  • the other end (83) of the tension spring (81) is mounted in an analogously designed housing-side spring holder (84).
  • the total length of the fully relaxed tension spring (81) is five times the reference distance (L) in the exemplary embodiment. At maximum spring tension, the tension spring (81) is three times as large in the exemplary embodiment stretched this length.
  • the tension spring (81) has in the illustration of Figures 1 to 3 a constant cross-section along its length. However, it can also have areas of different spring stiffnesses.
  • the relief direction of the tension spring (81) is oriented in the exemplary embodiment in the closing direction (16).
  • a damping device (100) is supported on the driver element guide part (61) and on the housing (21). It comprises two damping elements designed, for example, as hydraulic cylinder-piston units (101, 111). Each cylinder-piston unit (101; 111) has a cylinder (102; 112) and a piston rod (103; 113) protruding therefrom with a piston rod head (104; 114). The piston rod (103; 113) is loaded in the extension direction by means of a compression spring arranged, for example, in the cylinder (102; 112).
  • the cylinders (102; 112) lie next to one another on a respective cylinder slide (37, 38), the piston rod heads (104, 114) pointing in opposite directions.
  • a Z-shaped contact bracket (121) on which the two cylinders (102, 112) are supported is arranged between the cylinder bases (105, 115).
  • the piston rod head (104) of the cylinder-piston unit (101) closer to the housing center can be supported on a head support surface (77) of the driver element guide part (61) oriented normal to the longitudinal direction (15).
  • the piston rod head (114) of the second cylinder-piston unit (111) can be supported on the housing support surface (39) oriented normal to the longitudinal direction (15).
  • the two cylinder-piston units (101, 111) are thus connected in series.
  • the two cylinder-piston units (101, 111) which dampen when the piston rods (103, 113) are retracted can also be arranged in such a way that the respective cylinder bottoms (105, 115) can be placed on the support surfaces (77, 39).
  • the piston rod heads (104, 114) can then be contacted with the contact bracket (121).
  • the damping device (100) can also be designed with a single cylinder-piston unit (101; 111). It is also conceivable to use pneumatic delay devices instead of hydraulic damping elements.
  • the driver element (41) is first inserted into the driver element guide part (61).
  • the first bearing element (42) then penetrates the arcuate elongated hole (67).
  • the third bearing element (56) sits in the elongated guide hole (62), although it does not penetrate this in the exemplary embodiment.
  • This stable pre-assembly assembly (78), cf. Figure 7 is inserted into the housing base (22), the guide pins (71, 72) being inserted into the guide rail (29).
  • the first guide pin (42) and the second guide pin (43) are placed in the guide track (31) so that the pre-assembly assembly (78) can be displaced in the longitudinal direction (15) relative to the housing base (22).
  • This assembly does not require any complex adaptation or alignment of the components to one another.
  • the two cylinder-piston units (101, 111) are placed on the cylinder slideways (37, 38) and the contact bracket (121) is inserted between them. Then the tension spring (81) is inserted into the spring receptacle (74) facing the lid opening, one end (82) being fixed on the driver element guide part (61) and the other end (83) on the housing (21). After the cover (23) has been closed, the pull-in device (10) is ready for use. The assembly can also take place in a different order.
  • a driver (5) is arranged on the door rail, for example. This has the shape of a cylindrical pin, for example.
  • the driver (5) hits the actuating surface (48).
  • the first locking pin (45) is elastically deformed and the driver enters the locking recess (44).
  • the sliding door is not completely closed.
  • the driver (5) pulls the driver element (41) into the parking position (13) by means of the first locking pin (45), where it locks into place in a non-positive and / or positive manner, cf. Figure 2 .
  • the piston rods (103, 113) of the cylinder-piston units (101, 111) are extended. For example, they rest on the support surfaces (39, 77).
  • the spring energy store (81) is charged.
  • the entrainment element (41) of the in the Figure 3 unstable intermediate position shown in the Figure 2 shown stable parking position (13) moves.
  • the first bearing element (42) moves along the second guide slot section (36) and reaches the first guide slot section (35) via the transition section (34), see FIG Figures 8 and 9 .
  • the Figure 9 also shows an unstable intermediate position, the entrainment element (41) being tilted, for example, by an angle of 9 degrees to the longitudinal direction (15).
  • the driving element guide part (61) is displaced in the opening direction (17).
  • the tension spring (81) is tensioned, the spring force being increased.
  • the first bearing element (42) migrates along the first guide link section (35) and along the elongated hole (67) in the direction of the center of the housing.
  • the second bearing element (43) remains on the second guide link section (36).
  • the third bearing element (56), the first seated on the end of the elongated guide hole (62) facing away from the housing opening (25) migrates in the direction of the housing opening (25).
  • the driver element (41) When the driver element (41) is pivoted further, the first bearing element (42) is displaced further along the first guide link section (35) in the direction of the center of the housing. If necessary, the first bearing element (42) can rest against the elongated hole (67).
  • the third guide element (56) moves in the swivel and slide joint (63) in the pushing direction (58) further in the direction of the housing opening (25), the third bearing element (56) pivoting in the swivel and slide joint (63).
  • the driver element guide part (61) is displaced in the closing direction (16), as a result of which the spring tension decreases.
  • the Figure 10 shows the driver element (41) in the stable parking position (13), in which the spring tension has a local minimum.
  • the guide pin (71) of the driver element guide part (61) is displaced further relative to the housing rib (85) in the closing direction (16) than in the illustration in FIG Figure 9 .
  • the retraction device (10) is thus self-locking. This can, for example, prevent accidental triggering when vibrations occur.
  • the Figure 11 shows the qualitative curve of the spring force (F) over the path (s) of the second bearing element (43).
  • the path coordinate increases from the parking position (13) in the direction of the end position (14).
  • the minimum spring force (F) is when the driver element (41) is in the end position (14).
  • the spring force (F) increases, for example, linearly up to a maximum (86).
  • the spring force (F) decreases again.
  • the spring force (F) can increase again when the driver element (41) is pivoted by an angle greater than the pivoting angle ( ⁇ ) of the stable parking position (13).
  • the driver (5) enters the driver recess (52) of the driver element (41).
  • the entrainment element (41) is unlocked and moves under load by means of the spring energy store (81) in the direction of the end position (14).
  • the driver element guide part (61) moves together with the deflection disk (73) in the direction of the end position (14), cf. Figure 1 .
  • the driver element guide part (61) loads the piston rod (103) of the first cylinder-piston unit (101).
  • the piston rod (103) is retracted and the entire first cylinder-piston unit (101) is moved relative to the housing (21) in the direction of the end position (14). This movement is transmitted to the second cylinder-piston unit (111) by means of the contact bracket (121).
  • the piston rod (113) of this cylinder-piston unit (111) is also retracted.
  • the driver element (41) is braked.
  • the total stroke of the entrainment element (41) is twice the stroke of an individual cylinder-piston unit (101; 111).
  • the driver (5) strikes the driver element (41).
  • the large inertial mass of the sliding door suddenly releases the driver element (41) from the parking position (13).
  • the spring force (F) increases to a maximum, cf. Figure 11 .
  • the first guide element (42) meets the stop (68) which limits the pivoting of the entrainment element (41).
  • the third bearing element (56) is supported on the driver element guide part (61) by means of a large lever arm in the swivel and slide joint (63).
  • the high bending resistance moment of the driver element guide part (61) prevents damage to the pull-in device (10) even in the event of an oblique force application.
  • the second guide element (43) rests on the second guide link section (36).
  • the pull-in device (10) pulls the driver (5) in the direction of the end position (14) without the risk of the driver element (41) being lifted out.

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Description

Die Erfindung betrifft eine Einzugsvorrichtung mit einem Gehäuse, in dem ein Mitnahmeelement mittels zweier Lagerelemente entlang zumindest eines ersten Führungskulissenabschnitts und eines mit diesem einen stumpfen Winkel einschließenden zweiten Führungskulissenabschnitts zwischen einer stabilen Parkposition und einer Endposition führbar ist, wobei das Mitnahmeelement ein drittes Lagerelement aufweist, das mit einem in Richtung des zweiten Führungskulissenabschnitts führbaren, in Richtung der Endposition mittels eines Federenergiespeichers belasteten Mitnahmeelement-Führungsteil ein Schwenkschubgelenk bildet, wobei das dritte Lagerelement in einem Führungslangloch des Mitnahmeelement-Führungsteils sitzt.The invention relates to a retraction device with a housing, in which a driver element can be guided between a stable parking position and an end position by means of two bearing elements along at least one first guide slot section and a second guide slot section enclosing an obtuse angle therewith, the driver element having a third bearing element which forms a swivel-and-slide joint with a driver element guide part that can be guided in the direction of the second guide link section and is loaded in the direction of the end position by means of a spring energy store, the third bearing element being seated in a guide hole of the driver element guide part.

Aus der DE 10 2014 012 961 B3 ist eine derartige Vorrichtung bekannt. Diese verfügt über eine Überlastsicherung, um Beschädigungen bei schlagartigen Belastungen zu verhindern.From the DE 10 2014 012 961 B3 such a device is known. This has an overload protection device to prevent damage in the event of sudden loads.

Die EP 2 466 047 A1 offenbart eine Vorrichtung, bei der das Mitnahmeelement mit einem Zapfen in einem Langloch eines Schlittens und mit zwei Zapfen in einer Trägerplatte gelagert ist. Schlägt ein Objekt großer Massenträgheit an, kann entweder der als Rad ausgebildete Mitnehmer aus der Senke des Mitnahmeelements herausspringen oder die Zapfen des Mitnahmeelements springen aus den Leitbahnen der Trägerplatte.The EP 2 466 047 A1 discloses a device in which the driver element is mounted with a pin in an elongated hole of a carriage and with two pins in a carrier plate. If an object of great inertia strikes, either the driver, which is designed as a wheel, can jump out of the depression in the driver element or the pins of the driver element jump out of the conductor tracks of the carrier plate.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine bei hoher Massenträgheit betriebssichere Einzugsvorrichtung zu entwickeln.The present invention is based on the object of developing a draw-in device that is operationally reliable with high inertia.

Diese Problemstellung wird mit den Merkmalen des Hauptanspruches gelöst. Dazu weist das Mitnahmeelement-Führungsteil mindestens einen Anschlag zum Begrenzen des Schwenkens des Mitnahmeelements auf, der das erste Lagerelement auf der dem zweiten Führungskulissenabschnitt abgewandten Seite überragt. Außerdem hat das Schwenkschubgelenk eine Schubrichtung, die mit der Richtung des ersten Führungskulissenabschnitts einen spitzen Winkel einschließt, wobei der Scheitel des genannten Winkels in Bezug auf die Lagerzapfen auf der dem zweiten Führungskulissenabschnitt abgewandten Seite liegt.This problem is solved with the features of the main claim. For this purpose, the entrainment element guide part has at least one stop for limiting the pivoting of the entrainment element which protrudes beyond the first bearing element on the side facing away from the second guide link section. In addition, the swivel and slide joint has a thrust direction which includes an acute angle with the direction of the first guide slot section, the apex of said angle being on the side facing away from the second guide slot section with respect to the bearing pin.

Objekte großer Massenträgheiten sind beispielsweise Schiebetüren großer Masse, z.B. 50 Kilogramm - 80 Kilogramm, die mit hoher Geschwindigkeit, z.B. 1 Meter pro Sekunde bis 1,5 Meter pro Sekunde in ihre beispielsweise geschlossene Endlage verfahren werden. Die schlagartig auf das Mitnahmeelement auftretende Belastung wird durch die Anordnung und die Ausbildung des Schwenkschubgelenks in Kombination mit dem Anschlag im Mitnahmeelement-Führungsteil aufgenommen. Aufgrund der Ausgestaltung der Lagerstellen und ihrer Anordnung zueinander ist die Einzugsvorrichtung in der stabilen Parkposition selbstsichernd.Objects of great inertia are, for example, sliding doors of great mass, e.g. 50 kg - 80 kg, which are moved at high speed, e.g. 1 meter per second to 1.5 meters per second, into their closed end position, for example. The load that suddenly occurs on the driver element is absorbed by the arrangement and the design of the swivel and slide joint in combination with the stop in the driver element guide part. Due to the design of the bearing points and their arrangement with respect to one another, the pull-in device is self-locking in the stable parking position.

Weitere Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung schematisch dargestellter Ausführungsformen.

Figur 1:
Einzugsvorrichtung bei abgenommenem Deckel in der Endposition;
Figur 2:
Einzugsvorrichtung aus Figur 1 in der Parkposition;
Figur 3:
Einzugsvorrichtung aus Figur 1 nach dem Verlassen der Parkposition;
Figur 4:
Deckel der Einzugsvorrichtung aus Figur 1;
Figur 5:
Mitnahmeelement-Führungsteil;
Figur 6:
Mitnahmeelement;
Figur 7:
Vormontagebaugruppe aus Mitnahmeelement-Führungsteil und Mitnahmeelement;
Figur 8:
Detail der Einzugsvorrichtung aus Figur 3;
Figur 9:
Detail der Einzugsvorrichtung bei einem Kippwinkel des Mitnahmeelements von 9 Grad;
Figur 10:
Detail der Einzugsvorrichtung aus Figur 2;
Figur 11:
Qualitativer Verlauf der Federkraft über die Zeit;
Figur 12:
Auslegungsparameter des Mitnahmeelements.
Further details of the invention emerge from the subclaims and the following description of schematically illustrated embodiments.
Figure 1:
Pull-in device with the cover removed in the end position;
Figure 2:
Feeder off Figure 1 in the parking position;
Figure 3:
Feeder off Figure 1 after leaving the parking position;
Figure 4:
Feeder cover off Figure 1 ;
Figure 5:
Driving element guide part;
Figure 6:
Driving element;
Figure 7:
Preassembly assembly consisting of driver element guide part and driver element;
Figure 8:
Detail of the feeding device Figure 3 ;
Figure 9:
Detail of the retraction device at a tilt angle of the entrainment element of 9 degrees;
Figure 10:
Detail of the feeding device Figure 2 ;
Figure 11:
Qualitative course of the spring force over time;
Figure 12:
Design parameters of the driving element.

Die Figuren 1 - 10 zeigen eine Einzugsvorrichtung (10). Derartige Einzugsvorrichtungen (10) werden eingesetzt, um beispielsweise Schiebetüren, Schubladen, etc. in einem an die z.B. geschlossene Endlage angrenzenden Teilhub des Schließhubs in diese geschlossene Endlage zu ziehen. Hierbei ist beispielsweise an der Schiebetür ein Mitnehmer (5) angeordnet, der beim Schließen der Schiebetür mit einem Mitnahmeelement (41) der Einzugsvorrichtung (10) koppelt. Das Mitnahmeelement (41) steht hierbei zunächst in der in der Figur 2 dargestellten stabilen Parkposition (13), wobei es beispielsweise unter einem Schwenkwinkel (β) zur Längsrichtung (15) geneigt ist. Der Mitnehmer (5) löst das Mitnahmeelement (41) aus dieser stabilen Parkposition (13), sodass die Einzugsvorrichtung (10) die Schiebetür in der Schließrichtung (16) in die Endlage fördert. Das Mitnahmeelement (41) steht dann in der in der Figur 1 dargestellten Endposition (14).The Figures 1 - 10 show a retraction device (10). Such retraction devices (10) are used, for example, to pull sliding doors, drawers, etc. into this closed end position in a partial stroke of the closing stroke adjacent to the closed end position, for example. Here, for example, a driver (5) is arranged on the sliding door, which, when the sliding door is closed, couples with a driver element (41) of the pull-in device (10). The entrainment element (41) is here initially in the Figure 2 shown stable parking position (13), where it is inclined, for example, at a pivot angle (β) to the longitudinal direction (15). The driver (5) releases the driver element (41) from this stable parking position (13) so that the retraction device (10) moves the sliding door in the closing direction (16) the end position promotes. The entrainment element (41) is then in the Figure 1 illustrated end position (14).

Beim erneuten Öffnen der Schiebetür zieht der Mitnehmer (5) das Mitnahmeelement (41) aus der Endposition (14), vgl. Figur 1, in der Öffnungsrichtung (17) in die stabile Parkposition (13), vgl. Figur 2. Hier wird das Mitnahmeelement (41) kraft- und/oder formschlüssig arretiert. Die Einzugsvorrichtung (10) kann auch in einem an die geöffnete Stellung angrenzenden Teilhub des gesamten Öffnungshubes eingesetzt werden.When the sliding door is opened again, the driver (5) pulls the driver element (41) out of the end position (14), cf. Figure 1 , in the opening direction (17) in the stable parking position (13), cf. Figure 2 . Here the driver element (41) is locked in a non-positive and / or form-fitting manner. The retraction device (10) can also be used in a partial stroke of the entire opening stroke adjacent to the open position.

Die Einzugsvorrichtung (10) umfasst ein Gehäuse (21), in dem das Mitnahmeelement (41), ein mit diesem gekoppeltes Mitnahmeelement-Führungsteil (61) sowie ein ein Antriebselement (81) bildender Federenergiespeicher (81) angeordnet sind. Im dargestellten Ausführungsbeispiel hat die Einzugsvorrichtung (10) weiterhin eine Dämpfungsvorrichtung (100), die dem Federenergiespeicher (81) entgegenwirkt.The draw-in device (10) comprises a housing (21) in which the entrainment element (41), a entrainment element guide part (61) coupled to it and a spring energy store (81) forming a drive element (81) are arranged. In the exemplary embodiment shown, the retraction device (10) also has a damping device (100) which counteracts the spring energy store (81).

Das Gehäuse (21) hat einen schalenförmig ausgebildeten Gehäuseboden (22) und einen Gehäusedeckel (23). Die beiden Gehäuseteile (22, 23) sind beispielsweise mittels einer formschlüssigen Verbindung miteinander verbunden. Sie können auch miteinander verklebt oder verschraubt sein. Das Gehäuse (21) hat an einer seiner in Längsrichtung (15) orientierten Schmalseiten (24) eine Gehäuseöffnung (25), durch die das Mitnahmeelement (41) aus dem Gehäuse (21) herausragt. Diese Gehäuseöffnung (25) grenzt an eine Stirnseite (26) des Gehäuses (21) an oder hat einen geringen Abstand zu dieser Stirnseite (26). Die einander zugewandten Innenseitenflächen (27, 28) der beiden Gehäuseteile (22, 23) sind spiegelbildlich zueinander ausgebildet, sodass alle gehäuseseitigen Führungs- und Leitelemente (29, 31, 37, 38) sowohl im Gehäuseboden (22) als auch im Gehäusedeckel (23) vorhanden sind. Es ist jedoch auch denkbar, z.B. den Gehäusedeckel (23) auf seiner Innenseite ohne Führungs- und Leitelemente (29, 31, 37, 38) auszubilden.The housing (21) has a shell-shaped housing base (22) and a housing cover (23). The two housing parts (22, 23) are connected to one another, for example, by means of a form-fitting connection. They can also be glued or screwed together. On one of its narrow sides (24) oriented in the longitudinal direction (15), the housing (21) has a housing opening (25) through which the entrainment element (41) protrudes from the housing (21). This housing opening (25) adjoins an end face (26) of the housing (21) or is at a small distance from this end face (26). The mutually facing inner side surfaces (27, 28) of the two housing parts (22, 23) are designed to be mirror images of each other, so that all guide and guide elements (29, 31, 37, 38) on the housing side both in the housing base (22) and in the housing are present in the housing cover (23). However, it is also conceivable, for example, to design the housing cover (23) on its inside without guide and guide elements (29, 31, 37, 38).

An den Innenseitenflächen (27, 28) sind jeweils eine Leitbahn (29) und eine Führungsbahn (31) angeordnet. Die gerade, in Längsrichtung (15) orientierte Leitbahn (29) liegt zumindest annähernd mittig. Ihre in Längsrichtung (15) orientierte Länge ist beispielsweise größer als 80 % der Länge der Einzugsvorrichtung (10). Die Leitbahn (29) hat eine konstante Breite.A conductor track (29) and a guide track (31) are arranged on each of the inner side surfaces (27, 28). The straight interconnect (29) oriented in the longitudinal direction (15) lies at least approximately in the middle. Their length oriented in the longitudinal direction (15) is, for example, greater than 80% of the length of the pull-in device (10). The interconnect (29) has a constant width.

Zwischen der Leitbahn (29) und der Gehäuseöffnung (25) ist an beiden Innenseitenflächen (27, 28) jeweils eine Führungsbahn (31) angeordnet. Diese hat einen schräg zur Gehäuseöffnung (25) orientierten ersten Abschnitt (32) und einen parallel zur Längsrichtung (15) orientierten zweiten Abschnitt (33). Dieser zweite Abschnitt (33) ist in Richtung der der Gehäuseöffnung (25) benachbarten Stirnseite (26) orientiert. Seine Länge beträgt beispielsweise 55 % der Länge der Leitbahn (29). Beide Abschnitte (32, 33) sind mittels eines gebogenen Übergangsabschnitts (34) miteinander verbunden. Die Führungsbahn (31) hat im Ausführungsbeispiel über ihre Länge eine konstante Breite.A guide track (31) is arranged on each of the two inner side surfaces (27, 28) between the interconnect (29) and the housing opening (25). This has a first section (32) oriented obliquely to the housing opening (25) and a second section (33) oriented parallel to the longitudinal direction (15). This second section (33) is oriented in the direction of the end face (26) adjacent to the housing opening (25). Its length is, for example, 55% of the length of the interconnect (29). Both sections (32, 33) are connected to one another by means of a curved transition section (34). In the exemplary embodiment, the guide track (31) has a constant width over its length.

Die jeweiligen, in Richtung der Leitbahn (29) orientierten Innenflanken der Führungsbahnen (31) bilden Führungskulissen. Der erste Führungsbahnabschnitt (32) hat somit einen ersten Führungskulissenabschnitt (35) und der zweite Führungsbahnabschnitt (33) hat einen zweiten Führungskulissenabschnitt (36). Die beiden Führungskulissenabschnitte (35, 36) schließen im Ausführungsbeispiel einen stumpfen Winkel (α), z.B. 100 Grad ein. Dieser Winkel kann im Bogenmaß zwischen π/2 und π liegen, wobei der eingeschlossene Winkel (α) in Richtung der Leitbahn (29) orientiert ist und π die Kreiszahl ist.The respective inner flanks of the guideways (31) oriented in the direction of the interconnect (29) form guide slots. The first guide track section (32) thus has a first guide slot section (35) and the second guide track section (33) has a second guide slot section (36). In the exemplary embodiment, the two guide link sections (35, 36) enclose an obtuse angle (α), for example 100 degrees. This angle can be between π / 2 in radians and π lie, the included angle (α) being oriented in the direction of the interconnect (29) and π being the number of circles.

Auf der der Führungsbahn (31) abgewandten Seite der Leitbahn (29) sind parallel zueinander zwei Zylindergleitbahnen (37, 38) angeordnet. Beide in Längsrichtung (15) orientierte Zylindergleitbahnen (37, 38) haben im Ausführungsbeispiel die gleiche Länge, z.B. 52 % der Länge der Leitbahn (29). Die von der Leitbahn (29) entferntere Zylindergleitbahn (38) ist an der Stirnseite (26) mittels einer Gehäuseabstützfläche (39) begrenzt.On the side of the guide track (29) facing away from the guide track (31), two cylinder slide tracks (37, 38) are arranged parallel to one another. Both cylinder slideways (37, 38) oriented in the longitudinal direction (15) have the same length in the exemplary embodiment, e.g. 52% of the length of the guide path (29). The cylinder sliding path (38) further away from the conductive path (29) is delimited on the end face (26) by means of a housing support surface (39).

Das Mitnahmeelement (41) ist im Ausführungsbeispiel symmetrisch zu einer die Gehäuseöffnung (25) durchstoßenden Mittenlängsebene der Einzugsvorrichtung (10) ausgebildet. Es hat einen Fangbereich (44), einen Mitnahmebereich (52) und auf jeder der parallel zur Mittenlängsebene orientierten Seiten drei Lagerelemente (42, 43, 56). Bei einer Ausführung z.B. des Gehäusedeckels (23) ohne Führungs- und Leitelemente (29, 31, 37, 38) können das erste und das zweite Lagerelement (42, 43) einseitig am Mitnahmeelement (41) angeordnet sein. Auch ist es denkbar, das Mitnahmeelement (41) mit einem einzigen dritten Lagerelement (56) auszubilden.In the exemplary embodiment, the entrainment element (41) is designed symmetrically to a central longitudinal plane of the draw-in device (10) which penetrates the housing opening (25). It has a catching area (44), a driving area (52) and three bearing elements (42, 43, 56) on each of the sides oriented parallel to the central longitudinal plane. In an embodiment of the housing cover (23), for example, without guide and guide elements (29, 31, 37, 38), the first and second bearing elements (42, 43) can be arranged on one side of the driver element (41). It is also conceivable to design the driver element (41) with a single third bearing element (56).

Der Fangbereich (44) ist dem ersten Führungsbahnabschnitt (32), einem Haltebereich (32) zugewandt. An einem Fangzapfen (45) hat er einen Durchbruch (49) und eine entgegen der Schließrichtung (16) orientierte Betätigungsfläche (48). Die Verbindung der Betätigungsfläche (48) zum nächstgelegenen Führungselement (42) ist damit elastisch verformbar ausgebildet. Der Fangbereich (44) ist mittels eines zweiten Fangzapfens (46) begrenzt. Der Mitnahmebereich (52) ist beispielsweise U-förmig ausgebildet und zwischen dem Fangzapfen (46) und einem Schubzapfen (47) angeordnet.The catch area (44) faces the first guide track section (32), a holding area (32). On a locking pin (45) it has an opening (49) and an actuating surface (48) oriented against the closing direction (16). The connection of the actuating surface (48) to the closest guide element (42) is thus designed to be elastically deformable. The catch area (44) is delimited by means of a second catch pin (46). The driving area (52) is, for example, U-shaped and is arranged between the catch pin (46) and a thrust pin (47).

Das erste Lagerelement (42) und das zweite Lagerelement (43) sitzen bei montiertem Mitnahmeelement (41) in den beiden Führungsbahnen (31) des Gehäuses (21). Beide Lagerelemente (42, 43) sind beispielsweise als zylindrische Führungszapfen ausgebildet. Ihr Durchmesser beträgt im Ausführungsbeispiel 98 % der parallel zur genannten Mittenlängsebene orientierten Höhe der Führungsbahn (31). Sie sind um den Bezugsabstand (L) voneinander beabstandet, vgl. Figur 12. Der Bezugsabstand (L) ist hierbei der Abstand der Mittellinien der Führungszapfen (42, 43) voneinander. Im Folgenden ist die Mittellinie des ersten Lagerzapfens (42) der Koordinatenursprung (8) eines parallel zur Mittenlängsebene liegenden Koordinatensystems, dessen Abszisse (6) als Halbgerade in Richtung der Mittellinie des zweiten Lagerzapfens (43) zeigt. Die normal zur Abszisse (6) orientierte positive Ordinate (7) zeigt in der Richtung des Fangbereichs (44). Die Abszisse (6) ist im Folgenden als x-Achse und die Ordinate (7) als y-Achse bezeichnet.When the driver element (41) is mounted, the first bearing element (42) and the second bearing element (43) sit in the two guide tracks (31) of the housing (21). Both bearing elements (42, 43) are designed, for example, as cylindrical guide pins. In the exemplary embodiment, its diameter is 98% of the height of the guide track (31), which is oriented parallel to the aforementioned central longitudinal plane. They are spaced from one another by the reference distance (L), cf. Figure 12 . The reference distance (L) is the distance between the center lines of the guide pins (42, 43) from one another. In the following, the center line of the first bearing pin (42) is the origin (8) of a coordinate system lying parallel to the central longitudinal plane, the abscissa (6) of which points as a half-line in the direction of the center line of the second bearing pin (43). The positive ordinate (7) normal to the abscissa (6) points in the direction of the capture area (44). The abscissa (6) is referred to below as the x-axis and the ordinate (7) as the y-axis.

Die Lagerelemente (42, 43) können auch bereichsweise zylinderabschnittsförmige Mantelflächen haben, die mit den Führungskulissenabschnitten (35, 36) kontaktierbar sind. Der Bezugsabstand (L) ist dann der Abstand zwischen den gedachten Radiusmittellinien der Lagerelemente (42, 43).The bearing elements (42, 43) can also have cylindrical section-shaped jacket surfaces in certain areas, which can be contacted with the guide link sections (35, 36). The reference distance (L) is then the distance between the imaginary radius center lines of the bearing elements (42, 43).

Die beiden einander gegenüberliegenden dritten Lagerelemente (56) sind als Lagerzapfen (56) ausgebildet. In der Richtung normal zur genannten Mittenlängsebene sind diese kürzer als die ersten Lagerelemente (42) und die zweiten Lagerelemente (43) ausgebildet. Die geometrische Mittellinie der dritten Lagerelemente (56) liegt in der Darstellung der Figur 12 unterhalb der die Abszisse (6) bildenden Halbgeraden. Der Abstand (79) des dritten Lagerelements (56) zur Abszisse (6) ist größer als die Differenz aus dem Produkt der Länge (L) und dem Kotangens des Winkels (α) und dem Produkt aus dem Tangens des halben Schwenkwinkels (β) und dem Abstand des Lotfußpunktes (57) des dritten Lagerelements (56) zum Ursprung (8). Somit ergibt sich für die Koordinaten des jeweiligen dritten Lagerelements (56) eine Grenzgerade (9), vgl. Figur 12: y ≤ L * cot α − x * tan β / 2

Figure imgb0001
The two opposing third bearing elements (56) are designed as bearing journals (56). In the direction normal to the aforementioned central longitudinal plane, these are shorter than the first bearing elements (42) and the second bearing elements (43). The geometric center line of the third bearing elements (56) lies in the illustration of Figure 12 below the half-line forming the abscissa (6). The distance (79) of the third bearing element (56) to The abscissa (6) is greater than the difference between the product of the length (L) and the cotangent of the angle (α) and the product of the tangent of half the pivot angle (β) and the distance between the plumb line (57) of the third bearing element (56) ) to the origin (8). This results in a limit straight line (9) for the coordinates of the respective third bearing element (56), cf. Figure 12 : y ≤ L. * cot α - x * tan β / 2
Figure imgb0001

Die Mittellinie des jeweiligen dritten Lagerelements (56) befindet sich im Bereich des von den Führungskulissenabschnitten (35, 36) eingeschlossenen Winkels (α). Im Ausführungsbeispiel ist der Abstand des Ursprungs (8) zum Lotfusspunkt (57) des dritten Lagerelements (56) auf der Abszisse (6) um ein Drittel größer als der Bezugsabstand (L).The center line of the respective third bearing element (56) is located in the area of the angle (α) enclosed by the guide link sections (35, 36). In the exemplary embodiment, the distance from the origin (8) to the solder foot point (57) of the third bearing element (56) on the abscissa (6) is one third greater than the reference distance (L).

Das Mitnahmeelement (41) ist mittels der beiden dritten Lagerelemente (56) beidseitig im Mitnahmeelement-Führungsteil (61) gelagert, vgl. Figur 7. Bei einer Ausführung des Mitnahmeelements (41) mit einem einzigen dritten Lagerzapfen (56) ist dieser im Mitnahmeelement-Führungsteil (61) geführt. Hierbei sitzt das dritte Lagerelement (56) in einem Führungslangloch (62), sodass die beiden Teile (56, 61) ein Schwenkschubgelenk (63) bilden. Im Ausführungsbeispiel ist die Schubrichtung (58) des Schubschwenkgelenks (63) normal zur Längsrichtung (15) gerichtet. Der Winkel kann jedoch auch anders ausgebildet sein, wobei der erste Führungskulissenabschnitt (35) und die Schubrichtung (58) einen spitzen Winkel einschließen, dessen Scheitel auf der dem dritten Lagerelement (56) abgewandten Seite der Abszisse (6) liegt. Der Scheitel liegt damit in Bezug auf die Lagerzapfen (42, 43) auf der dem zweiten Führungskulissenabschnitt (36) abgewandten Seite. Das Führungslangloch (62) hat relativ zum dritten Lagerelement (56) eine positive Passung, sodass der Lagerzapfen (56) im Führungslangloch (62) geführt ist.The driver element (41) is mounted on both sides in the driver element guide part (61) by means of the two third bearing elements (56), cf. Figure 7 . In an embodiment of the driving element (41) with a single third bearing pin (56), this is guided in the driving element guide part (61). The third bearing element (56) is seated in an elongated guide hole (62) so that the two parts (56, 61) form a swivel and slide joint (63). In the exemplary embodiment, the thrust direction (58) of the sliding pivot joint (63) is directed normal to the longitudinal direction (15). The angle can, however, also be designed differently, the first guide link section (35) and the thrust direction (58) enclosing an acute angle, the apex of which is on the side of the abscissa (6) facing away from the third bearing element (56). In relation to the bearing journals (42, 43), the apex is on the side facing away from the second guide link section (36). The elongated guide hole (62) has relative to the third Bearing element (56) has a positive fit so that the bearing pin (56) is guided in the elongated guide hole (62).

Das Mitnahmeelement-Führungsteil (61) hat zwei Führungswangen (64, 65), zwischen denen das Mitnahmeelement (41) sitzt. Die Führungswangen (64, 65) sind zumindest im Bereich des dem Mitnahmeelement (41) abgewandten Bodens (66) und in dem in Öffnungsrichtung (17) zeigenden Bereich miteinander verbunden. Es ist auch denkbar, das Mitnahmeelement-Führungsteil (61) im Bereich der Führungswangen (64, 65) als weitgehend geschlossenes Profil auszubilden. In den Führungswangen (64, 65) ist jeweils ein bogenförmig ausgebildetes Langloch (67) angeordnet. Der mittlere Radius des jeweiligen Bogens beträgt im Ausführungsbeispiel 95 % des Bezugsabstandes (L). Der Radiusmittelpunkt liegt in den Darstellungen der Figuren 1 bis 3 unterhalb des durch die drei Lagerelemente (42, 43, 56) gebildeten Dreiecks. Die Bogenwinkel des Langlochs (67) ist um 13 % größer als der Schwenkwinkel (β), wobei in den Darstellungen der genannten Figuren das untere Ende de Langlochs (67) mit der Längsrichtung (15) einen Winkel von 6 Grad einschließt. Die in radialer Richtung des Langlochs (67) orientierte Langlochbreite ist z.B. um 6 % größer als der Durchmesser des ersten Lagerzapfens (42). Das obere Ende des einzelnen Langlochs (67) bildet jeweils einen kappenartig ausgebildeten Anschlag (68). Diese Anschläge (68) übergreifen auf beiden Seiten des Mitnahmeelements (41) das jeweilige erste Lagerelement (42). Im eingebauten Zustand kann der normal zur Längsrichtung (15) orientierte Abstand der Anschläge (68) zum zweiten Führungskulissenabschnitt (36) geringer sein als die in derselben Richtung orientierte Breite des zweiten Führungsbahnabschnitts (33). Im Bereich der Anschläge (68) sind an den Führungswangen (64, 65) Verstärkungsscheiben (69) angeformt. Die Dicke der Verstärkungsscheiben (69) beträgt im Ausführungsbeispiel 1 % des Bezugsabstands (L).The driver element guide part (61) has two guide cheeks (64, 65) between which the driver element (41) sits. The guide cheeks (64, 65) are connected to one another at least in the area of the base (66) facing away from the entrainment element (41) and in the area pointing in the opening direction (17). It is also conceivable to design the driver element guide part (61) in the region of the guide cheeks (64, 65) as a largely closed profile. An arcuate elongated hole (67) is arranged in each of the guide cheeks (64, 65). In the exemplary embodiment, the mean radius of the respective arc is 95% of the reference distance (L). The center of the radius lies in the representations of Figures 1 to 3 below the triangle formed by the three bearing elements (42, 43, 56). The arc angle of the elongated hole (67) is 13% larger than the pivot angle (β), the lower end of the elongated hole (67) enclosing an angle of 6 degrees with the longitudinal direction (15) in the representations of the figures mentioned. The elongated hole width oriented in the radial direction of the elongated hole (67) is, for example, 6% larger than the diameter of the first bearing pin (42). The upper end of the individual elongated hole (67) in each case forms a cap-like stop (68). These stops (68) overlap the respective first bearing element (42) on both sides of the driver element (41). In the installed state, the distance between the stops (68) and the second guide link section (36), oriented normal to the longitudinal direction (15), can be smaller than the width of the second guide track section (33) oriented in the same direction. In the area of the stops (68) reinforcement disks (69) are formed on the guide cheeks (64, 65). The thickness of the reinforcement washers (69) is 1% of the reference distance (L) in the exemplary embodiment.

An den Führungswangen (64, 65) trägt das Mitnahmeelement-Führungsteil (61) beidseitig je einen ersten Gleitzapfen (71). Der Nenndurchmesser dieses Gleitzapfens (71) entspricht der parallel zur Mittenlängsebene orientierten Nennbreite der Leitbahn (29). Dieser erste Gleitzapfen (71) ist in den Darstellungen der Figuren 1 - 3 und 7 unterhalb des Mitnahmeelements (41) um die Hälfte des Bezugsabstandes (L) beabstandet zum Führungslangloch (62).On the guide cheeks (64, 65), the driver element guide part (61) has a first sliding pin (71) on each side. The nominal diameter of this guide pin (71) corresponds to the nominal width of the interconnect (29) oriented parallel to the central longitudinal plane. This first sliding pin (71) is shown in the Figures 1 - 3 and 7th below the driver element (41) spaced by half the reference distance (L) from the elongated guide hole (62).

Die beiden Führungswangen (64, 65) können auch unterschiedlich ausgebildet sein. Bei entsprechender Ausbildung des Mitnahmeelements (41) und/oder des Gehäusedeckels (33) kann eine der Führungswangen (64; 65) ohne das Langloch (67), den ersten Gleitzapfen (71) und/oder das Führungslangloch (62) ausgebildet sein.The two guide cheeks (64, 65) can also be designed differently. With a corresponding design of the driver element (41) and / or the housing cover (33), one of the guide cheeks (64; 65) can be designed without the elongated hole (67), the first guide pin (71) and / or the guide elongated hole (62).

Ein im Ausführungsbeispiel beidseitig ausgeführter zweiter Gleitzapfen (72) ist beispielsweise jeweils um mehr als das Vierfache des Bezugsabstands (L) vom ersten Gleitzapfen (71) beabstandet. Er befindet sich im Bereich einer Umlenkscheibe (73), die Teil einer Federaufnahme (74) ist. Diese Federaufnahme (74) umfasst eine Federhalterung (75) und eine Federleitfläche (76). In der Federaufnahme (74) ist der Federenergiespeicher (81) in der Bauform einer Zugfeder (81) gelagert. Ein erstes Ende (82) der Zugfeder (81) ist in der Federhalterung (75) gehalten. Das andere Ende (83) der Zugfeder (81) ist in einer analog ausgebildeten gehäuseseitigen Federhalterung (84) gelagert. Die Gesamtlänge der vollständig entspannten Zugfeder (81) beträgt im Ausführungsbeispiel das Fünffache des Bezugsabstands (L). Bei maximaler Federspannung ist die Zugfeder (81) im Ausführungsbeispiel auf das Dreifache dieser Länge gedehnt. Die Zugfeder (81) hat in der Darstellung der Figuren 1 bis 3 entlang ihrer Länge einen konstanten Querschnitt. Sie kann jedoch auch Bereiche unterschiedlicher Federsteifigkeiten aufweisen. Die Entlastungsrichtung der Zugfeder (81) ist im Ausführungsbeispiel in der Schließrichtung (16) orientiert.A second guide peg (72), which is embodied on both sides in the exemplary embodiment, is, for example, spaced from the first guide peg (71) by more than four times the reference distance (L). It is located in the area of a deflection disk (73) which is part of a spring mount (74). This spring receptacle (74) comprises a spring holder (75) and a spring guide surface (76). The spring energy store (81) is mounted in the spring receptacle (74) in the form of a tension spring (81). A first end (82) of the tension spring (81) is held in the spring holder (75). The other end (83) of the tension spring (81) is mounted in an analogously designed housing-side spring holder (84). The total length of the fully relaxed tension spring (81) is five times the reference distance (L) in the exemplary embodiment. At maximum spring tension, the tension spring (81) is three times as large in the exemplary embodiment stretched this length. The tension spring (81) has in the illustration of Figures 1 to 3 a constant cross-section along its length. However, it can also have areas of different spring stiffnesses. The relief direction of the tension spring (81) is oriented in the exemplary embodiment in the closing direction (16).

Am Mitnahmeelement-Führungsteil (61) und am Gehäuse (21) ist eine Dämpfungsvorrichtung (100) abgestützt. Sie umfasst zwei z.B. als hydraulische Zylinder-Kolben-Einheiten (101, 111) ausgebildete Dämpfungselemente. Jede Zylinder-Kolben-Einheit (101; 111) hat einen Zylinder (102; 112) und eine aus diesem herausragende Kolbenstange (103; 113) mit einem Kolbenstangenkopf (104; 114). Die Kolbenstange (103; 113) ist mittels einer beispielsweise im Zylinder (102; 112) angeordneten Druckfeder in Ausfahrrichtung belastet.A damping device (100) is supported on the driver element guide part (61) and on the housing (21). It comprises two damping elements designed, for example, as hydraulic cylinder-piston units (101, 111). Each cylinder-piston unit (101; 111) has a cylinder (102; 112) and a piston rod (103; 113) protruding therefrom with a piston rod head (104; 114). The piston rod (103; 113) is loaded in the extension direction by means of a compression spring arranged, for example, in the cylinder (102; 112).

In den Darstellungen der Figuren 1 - 3 liegen die Zylinder (102; 112) nebeneinander auf je einer Zylindergleitbahn (37, 38) auf, wobei die Kolbenstangenköpfe (104, 114) in entgegengesetzte Richtungen zeigen. zwischen den Zylinderböden (105, 115) ist ein Z-förmig ausgebildeter Anlagebügel (121) angeordnet, an den sich die beiden Zylinder (102, 112) abstützen. Der Kolbenstangenkopf (104) der der Gehäusemitte näheren Zylinder-Kolben-Einheit (101) ist an einer normal zur Längsrichtung (15) orientierten Kopfauflagefläche (77) des Mitnahmeelement-Führungsteils (61) abstützbar. Der Kolbenstangenkopf (114) der zweiten Zylinder-Kolben-Einheit (111) ist an der normal zur Längsrichtung (15) orientierten Gehäuseabstützfläche (39) abstützbar. Die beiden Zylinder-Kolben-Einheiten (101, 111) sind damit in Reihe geschaltet. Die beiden beim Einfahren der Kolbenstangen (103, 113) dämpfenden Zylinder-Kolben-Einheiten (101, 111) können auch derart angeordnet sein, dass die jeweiligen Zylinderböden (105, 115) an den Abstützflächen (77, 39) anlegbar sind. Die Kolbenstangenköpfe (104, 114) sind dann mit dem Anlagebügel (121) kontaktierbar. Die Dämpfungsvorrichtung (100) kann auch mit einer einzigen Zylinder-Kolben-Einheit (101; 111) ausgebildet sein. Auch ist es denkbar, anstatt hydraulischer Dämpfungselemente pneumatische Verzögerungsvorrichtungen einzusetzen.In the representations of the Figures 1 - 3 the cylinders (102; 112) lie next to one another on a respective cylinder slide (37, 38), the piston rod heads (104, 114) pointing in opposite directions. A Z-shaped contact bracket (121) on which the two cylinders (102, 112) are supported is arranged between the cylinder bases (105, 115). The piston rod head (104) of the cylinder-piston unit (101) closer to the housing center can be supported on a head support surface (77) of the driver element guide part (61) oriented normal to the longitudinal direction (15). The piston rod head (114) of the second cylinder-piston unit (111) can be supported on the housing support surface (39) oriented normal to the longitudinal direction (15). The two cylinder-piston units (101, 111) are thus connected in series. The two cylinder-piston units (101, 111) which dampen when the piston rods (103, 113) are retracted can also be arranged in such a way that the respective cylinder bottoms (105, 115) can be placed on the support surfaces (77, 39). The piston rod heads (104, 114) can then be contacted with the contact bracket (121). The damping device (100) can also be designed with a single cylinder-piston unit (101; 111). It is also conceivable to use pneumatic delay devices instead of hydraulic damping elements.

Beim Zusammenbau wird beispielsweise zunächst das Mitnahmeelement (41) in das Mitnahmeelement-Führungsteil (61) eingesetzt. Hiernach durchdringt das erste Lagerelement (42) das bogenförmige Langloch (67). Das dritte Lagerelement (56) sitzt im Führungslangloch (62), wobei es dieses im Ausführungsbeispiel nicht durchdringt. Diese stabile Vormontagebaugruppe (78), vgl. Figur 7, wird in den Gehäuseboden (22) eingesetzt, wobei die Gleitzapfen (71, 72) in die Leitschiene (29) eingesetzt werden. Der erste Führungszapfen (42) und der zweite Führungszapfen (43) werden in die Führungsbahn (31) gesetzt, sodass die Vormontagebaugruppe (78) relativ zum Gehäuseboden (22) in der Längsrichtung (15) verschiebbar ist. Diese Montage erfordert kein aufwendiges Anpassen oder Ausrichten der Bauteile zueinander.During assembly, for example, the driver element (41) is first inserted into the driver element guide part (61). The first bearing element (42) then penetrates the arcuate elongated hole (67). The third bearing element (56) sits in the elongated guide hole (62), although it does not penetrate this in the exemplary embodiment. This stable pre-assembly assembly (78), cf. Figure 7 , is inserted into the housing base (22), the guide pins (71, 72) being inserted into the guide rail (29). The first guide pin (42) and the second guide pin (43) are placed in the guide track (31) so that the pre-assembly assembly (78) can be displaced in the longitudinal direction (15) relative to the housing base (22). This assembly does not require any complex adaptation or alignment of the components to one another.

In den Gehäuseboden (22) werden auf die Zylindergleitbahnen (37, 38) die beiden Zylinder-Kolben-Einheiten (101, 111) aufgelegt und zwischen ihnen der Anlagebügel (121) eingesetzt. Anschließend wird die Zugfeder (81) in die zur Deckelöffnung zeigende Federaufnahme (74) eingelegt, wobei das eine Ende (82) am Mitnahmeelement-Führungsteil (61) und das andere Ende (83) am Gehäuse (21) festgelegt wird. Nach dem Schließen des Deckels (23) ist die Einzugsvorrichtung (10) einsatzbereit. Der Zusammenbau kann auch in anderer Reihenfolge erfolgen.In the housing base (22), the two cylinder-piston units (101, 111) are placed on the cylinder slideways (37, 38) and the contact bracket (121) is inserted between them. Then the tension spring (81) is inserted into the spring receptacle (74) facing the lid opening, one end (82) being fixed on the driver element guide part (61) and the other end (83) on the housing (21). After the cover (23) has been closed, the pull-in device (10) is ready for use. The assembly can also take place in a different order.

Beim Einsatz der Einzugsvorrichtung (10) z.B. an einer Schiebetür wird beispielsweise an der Türschiene ein Mitnehmer (5) angeordnet. Dieser hat beispielsweise die Gestalt eines zylindrischen Zapfens. Beim ersten Schließen der Schiebetür in der Schließrichtung (16) trifft der Mitnehmer (5) auf die Betätigungsfläche (48). Der erste Fangzapfen (45) wird elastisch verformt und der Mitnehmer gelangt in die Fangausnehmung (44). Die Schiebetür ist nicht vollständig geschlossen. Beim erneuten Öffnen in die Öffnungsrichtung (17) zieht der Mitnehmer (5) mittels des ersten Fangzapfens (45) das Mitnahmeelement (41) in die Parkposition (13), wo es kraft- und/oder formschlüssig verrastet, vgl. Figur 2. Die Kolbenstangen (103, 113) der Zylinder-Kolben-Einheiten (101, 111) sind ausgefahren. Beispielsweise liegen sie an den Abstützflächen (39, 77) an. Der Federenergiespeicher (81) ist geladen.When the pull-in device (10) is used, for example on a sliding door, a driver (5) is arranged on the door rail, for example. This has the shape of a cylindrical pin, for example. When the sliding door is closed for the first time in the closing direction (16), the driver (5) hits the actuating surface (48). The first locking pin (45) is elastically deformed and the driver enters the locking recess (44). The sliding door is not completely closed. When it is opened again in the opening direction (17), the driver (5) pulls the driver element (41) into the parking position (13) by means of the first locking pin (45), where it locks into place in a non-positive and / or positive manner, cf. Figure 2 . The piston rods (103, 113) of the cylinder-piston units (101, 111) are extended. For example, they rest on the support surfaces (39, 77). The spring energy store (81) is charged.

Beim Verfahren in die Parkposition (13) wird das Mitnahmeelement (41) von der in der Figur 3 dargestellten instabilen Zwischenposition in die in der Figur 2 dargestellte stabile Parkposition (13) bewegt. Das erste Lagerelement (42) verfährt entlang des zweiten Führungskulissenabschnitts (36) und gelangt über den Übergangsabschnitt (34) auf den ersten Führungskulissenabschnitt (35), vgl. die Figuren 8 und 9. Die Figur 9 zeigt hierbei ebenfalls eine instabile Zwischenposition, wobei das Mitnahmeelement (41) beispielsweise um einen Winkel von 9 Grad zur Längsrichtung (15) gekippt ist. Das Mitnahmeelement-Führungsteil (61) wird in der Öffnungsrichtung (17) verschoben. Die Zugfeder (81) wird gespannt, wobei die Federkraft erhöht wird. Das erste Lagerelement (42) wandert entlang des ersten Führungskulissenabschnitts (35) und entlang des Langlochs (67) in Richtung der Gehäusemitte. Das zweite Lagerelement (43) verbleibt auf dem zweiten Führungskulissenabschnitt (36). Das dritte Lagerelement (56), das zunächst an dem der Gehäuseöffnung (25) abgewandten Ende des Führungslanglochs (62) sitzt, wandert in Richtung der Gehäuseöffnung (25).When moving into the parking position (13), the entrainment element (41) of the in the Figure 3 unstable intermediate position shown in the Figure 2 shown stable parking position (13) moves. The first bearing element (42) moves along the second guide slot section (36) and reaches the first guide slot section (35) via the transition section (34), see FIG Figures 8 and 9 . The Figure 9 also shows an unstable intermediate position, the entrainment element (41) being tilted, for example, by an angle of 9 degrees to the longitudinal direction (15). The driving element guide part (61) is displaced in the opening direction (17). The tension spring (81) is tensioned, the spring force being increased. The first bearing element (42) migrates along the first guide link section (35) and along the elongated hole (67) in the direction of the center of the housing. The second bearing element (43) remains on the second guide link section (36). The third bearing element (56), the first seated on the end of the elongated guide hole (62) facing away from the housing opening (25) migrates in the direction of the housing opening (25).

Beim weiteren Schwenken des Mitnahmeelements (41) wird das erste Lagerelement (42) weiter entlang des ersten Führungskulissenabschnitts (35) in Richtung der Gehäusemitte verschoben. Gegebenenfalls kann das erste Lagerelement (42) am Langloch (67) anliegen. Das dritte Führungselement (56) wandert im Schwenkschubgelenk (63) in der Schubrichtung (58) weiter in Richtung der Gehäuseöffnung (25), wobei das dritte Lagerelement (56) im Schwenkschubgelenk (63) schwenkt. Hierbei wird das Mitnahmeelement-Führungsteil (61) in der Schließrichtung (16) verschoben, wodurch die Federspannung abnimmt. Die Figur 10 zeigt das Mitnahmeelement (41) in der stabilen Parkposition (13), in der die Federspannung ein lokales Minimum hat. Beispielsweise ist in dieser Darstellung der Gleitzapfen (71) des Mitnahmeelement-Führungsteils (61) relativ zur Gehäuserippe (85) in der Schließrichtung (16) weiter verschoben als in der Darstellung der Figur 9. In der stabilen Parkposition (13) ist die Einzugsvorrichtung (10) damit selbstsichernd. Hiermit kann beispielsweise ein versehentliches Auslösen beim Auftreten von Erschütterungen verhindert werden.When the driver element (41) is pivoted further, the first bearing element (42) is displaced further along the first guide link section (35) in the direction of the center of the housing. If necessary, the first bearing element (42) can rest against the elongated hole (67). The third guide element (56) moves in the swivel and slide joint (63) in the pushing direction (58) further in the direction of the housing opening (25), the third bearing element (56) pivoting in the swivel and slide joint (63). Here, the driver element guide part (61) is displaced in the closing direction (16), as a result of which the spring tension decreases. The Figure 10 shows the driver element (41) in the stable parking position (13), in which the spring tension has a local minimum. For example, in this illustration the guide pin (71) of the driver element guide part (61) is displaced further relative to the housing rib (85) in the closing direction (16) than in the illustration in FIG Figure 9 . In the stable parking position (13), the retraction device (10) is thus self-locking. This can, for example, prevent accidental triggering when vibrations occur.

Die Figur 11 zeigt den qualitativen Verlauf der Federkraft (F) über den Weg (s) des zweiten Lagerelements (43). Die Wegkoordinate nimmt von der Parkposition (13) in Richtung der Endposition (14) zu. Die minimale Federkraft (F) ist bei Lage des Mitnahmeelements (41) in der Endposition (14). Beim Verfahren in Richtung der Parkposition (13) nimmt die Federkraft (F) z.B. linear zu bis zu einem Maximum (86). Bei weiterer Annäherung an die Parkposition (13) nimmt die Federkraft (F) wieder ab. Bei entsprechender Ausgestaltung der Einzugsvorrichtung (10) kann die Federkraft (F) bei einem Schwenken des Mitnahmeelements (41) um einen Winkel größer als der Schwenkwinkel (β) der stabilen Parkposition (13) wieder zunehmen.The Figure 11 shows the qualitative curve of the spring force (F) over the path (s) of the second bearing element (43). The path coordinate increases from the parking position (13) in the direction of the end position (14). The minimum spring force (F) is when the driver element (41) is in the end position (14). When moving in the direction of the parking position (13), the spring force (F) increases, for example, linearly up to a maximum (86). When you get closer to the parking position (13), the spring force (F) decreases again. With an appropriate design of the retraction device (10) the spring force (F) can increase again when the driver element (41) is pivoted by an angle greater than the pivoting angle (β) of the stable parking position (13).

Beim erneuten Schließen der Schiebtür gelangt - vor dem Erreichen der geschlossenen Endlage der Schiebetür - der Mitnehmer (5) in die Mitnahmeausnehmung (52) des Mitnahmeelements (41). Das Mitnahmeelement (41) wird entriegelt und verfährt belastet mittels des Federenergiespeichers (81) in Richtung der Endposition (14). Hierbei verfährt das Mitnahmeelement-Führungsteil (61) zusammen mit der Umlenkscheibe (73) in Richtung der Endposition (14), vgl. Figur 1.When the sliding door is closed again - before the closed end position of the sliding door is reached - the driver (5) enters the driver recess (52) of the driver element (41). The entrainment element (41) is unlocked and moves under load by means of the spring energy store (81) in the direction of the end position (14). Here, the driver element guide part (61) moves together with the deflection disk (73) in the direction of the end position (14), cf. Figure 1 .

Das Mitnahmeelement-Führungsteil (61) belastet die Kolbenstange (103) der ersten Zylinder-Kolben-Einheit (101). Die Kolbenstange (103) wird eingefahren und die gesamte erste Zylinder-Kolben-Einheit (101) relativ zum Gehäuse (21) in Richtung der Endposition (14) verschoben. Mittels des Anlagebügels (121) wird diese Bewegung auf die zweite Zylinder-Kolben-Einheit (111) übertragen. Auch die Kolbenstange (113) dieser Zylinder-Kolben-Einheit (111) wird eingefahren. Das Mitnahmeelement (41) wird abgebremst. Der Gesamthub des Mitnahmeelements (41) beträgt in diesem Ausführungsbeispiel das Doppelte des Hubs einer einzelnen Zylinder-Kolben-Einheit (101; 111).The driver element guide part (61) loads the piston rod (103) of the first cylinder-piston unit (101). The piston rod (103) is retracted and the entire first cylinder-piston unit (101) is moved relative to the housing (21) in the direction of the end position (14). This movement is transmitted to the second cylinder-piston unit (111) by means of the contact bracket (121). The piston rod (113) of this cylinder-piston unit (111) is also retracted. The driver element (41) is braked. In this exemplary embodiment, the total stroke of the entrainment element (41) is twice the stroke of an individual cylinder-piston unit (101; 111).

Beispielsweise beim schnellen Schließen einer Schiebetür großer Masse, z.B. einer Tür einer Masse von 80 kg bei einer Geschwindigkeit von 1,5 Metern pro Sekunde, schlägt der Mitnehmer (5) auf das Mitnahmeelement (41). Die große träge Masse der Schiebetür löst das Mitnahmeelement (41) schlagartig aus der Parkposition (13). Die Federkraft (F) nimmt auf ein Maximum zu, vgl. Figur 11. Das erste Führungselement (42) trifft auf den Anschlag (68), der das Schwenken des Mitnahmeelements (41) begrenzt. Gleichzeitig stützt sich das dritte Lagerelement (56) mittels eines großen Hebelarms im Schwenkschubgelenk (63) am Mitnahmeelement-Führungsteil (61) ab. Das hohe Biegewiderstandsmoment des Mitnahmeelement-Führungsteils (61) verhindert eine Beschädigung der Einzugsvorrichtung (10) selbst bei einem schrägen Kraftangriff. Das zweite Führungselement (43) liegt am zweiten Führungskulissenabschnitt (36) an. Die Einzugsvorrichtung (10) zieht den Mitnehmer (5) in Richtung der Endposition (14), ohne dass die Gefahr eines Heraushebens des Mitnahmeelements (41) besteht.For example, when a sliding door with a large mass is closed quickly, for example a door with a mass of 80 kg at a speed of 1.5 meters per second, the driver (5) strikes the driver element (41). The large inertial mass of the sliding door suddenly releases the driver element (41) from the parking position (13). The spring force (F) increases to a maximum, cf. Figure 11 . The first guide element (42) meets the stop (68) which limits the pivoting of the entrainment element (41). At the same time, the third bearing element (56) is supported on the driver element guide part (61) by means of a large lever arm in the swivel and slide joint (63). The high bending resistance moment of the driver element guide part (61) prevents damage to the pull-in device (10) even in the event of an oblique force application. The second guide element (43) rests on the second guide link section (36). The pull-in device (10) pulls the driver (5) in the direction of the end position (14) without the risk of the driver element (41) being lifted out.

Bezugszeichenliste:List of reference symbols:

55
MitnehmerCarrier
66th
Abszisse, x-AchseAbscissa, x-axis
77th
Ordinate, y-AchseOrdinate, y-axis
88th
Ursprung, KoordinatenursprungOrigin, origin of coordinates
99
GrenzgeradeLimit straight line
1010
EinzugsvorrichtungFeeder
1313th
stabile Parkpositionstable parking position
1414th
EndpositionEnd position
1515th
LängsrichtungLongitudinal direction
1616
SchließrichtungClosing direction
1717th
ÖffnungsrichtungOpening direction
2121
Gehäusecasing
2222nd
Gehäuseboden, GehäuseteilCase back, case part
2323
Gehäusedeckel, GehäuseteilHousing cover, housing part
2424
SchmalseiteNarrow side
2525th
GehäuseöffnungHousing opening
2626th
StirnseiteFront side
2727
Innenseitenfläche von (22)Inside surface of (22)
2828
Innenseitenfläche von (23)Inside surface of (23)
2929
LeitbahnChannel
3131
FührungsbahnGuideway
3232
erster Abschnitt von (31), Führungsbahnabschnitt Halteabschnittfirst section of (31), guide track section holding section
3333
zweiter Abschnitt von (31), Führungsbahnanschnitt,second section of (31), guideway gate,
3434
ÜbergangsabschnittTransition section
3535
erster Führungskulissenabschnittfirst guide link section
3636
zweiter Führungskulissenabschnittsecond guide link section
3737
ZylindergleitbahnCylinder slide
3838
ZylindergleitbahnCylinder slide
3939
GehäuseabstützflächeHousing support surface
4141
MitnahmeelementDriving element
4242
erstes Lagerelement, Führungszapfenfirst bearing element, guide pin
4343
zweites Lagerelement, Führungszapfensecond bearing element, guide pin
4444
Fangbereich, FangausnehmungCatch area, catch recess
4545
FangzapfenLocking pin
4646
FangzapfenLocking pin
4747
ZugflächePulling surface
4848
BetätigungsflächeOperating area
4949
Durchbruchbreakthrough
5252
Mitnahmebereich, MitnahmeausnehmungTake-away area, take-away recess
5656
drittes Lagerelement, Lagerzapfenthird bearing element, bearing journal
5757
LotfußpunktPlumb point
5858
SchubrichtungThrust direction
6161
Mitnahmeelement-FührungsteilDriving element guide part
6262
FührungslanglochElongated guide hole
6363
SchwenkschubgelenkSwivel joint
6464
FührungswangeGuide cheek
6565
FührungswangeGuide cheek
6666
Bodenground
6767
Langloch, bogenförmigElongated hole, arched
6868
Anschlagattack
6969
VerstärkungsscheibenReinforcement washers
7171
erster Gleitzapfenfirst sliding peg
7272
zweiter Gleitzapfensecond sliding peg
7373
UmlenkscheibeDeflection pulley
7474
FederaufnahmeSpring mount
7575
FederhalterungSpring retainer
7676
FederleitflächeSpring guide surface
7777
Kopfauflagefläche, AbstützflächenHead support surface, support surfaces
7878
VormontagebaugruppePre-assembly assembly
7979
Abstanddistance
8181
Federenergiespeicher, Antriebselement, ZugfederSpring energy storage, drive element, tension spring
8282
erstes Ende von (81)first end of (81)
8383
zweites Ende von (81)second end of (81)
8484
Federhalterung, gehäuseseitigSpring retainer, on the housing side
8585
GehäuserippeHousing rib
8686
Maximum der FederkraftMaximum of the spring force
100100
Dämpfungsvorrichtung, VerzögerungsvorrichtungDamping device, delay device
101101
erste Zylinder-Kolben-Einheitfirst cylinder-piston unit
102102
Zylindercylinder
103103
KolbenstangePiston rod
104104
KolbenstangenkopfPiston rod head
105105
ZylinderbodenCylinder bottom
111111
zweite Zylinder-Kolben-Einheitsecond cylinder-piston unit
112112
Zylindercylinder
113113
KolbenstangePiston rod
114114
KolbenstangenkopfPiston rod head
115115
ZylinderbodenCylinder bottom
121121
AnlagebügelAttachment bracket
αα
Winkel, eingeschlossen von (35) und (36)Angle enclosed by (35) and (36)
ββ
Schwenkwinkel von (41)Swivel angle from (41)
ππ
KreiszahlCircle number
FF.
Federkraft von (81)Spring force from (81)
LL.
Bezugsabstand, Abstand von (42) und (43)Reference distance, distance from (42) and (43)
ss
Wegpath
xx
AbszissenwertAbscissa value
yy
OrdinatenwertOrdinate value

Claims (10)

  1. Retraction device (10) having a housing (21), in which a driving element (41) can be guided by means of two support elements (42, 43) between a stable parked position (13) and an end position (14) along at least one first guide rail section (35) and a second guide rail section (36) enclosing an obtuse angle (α) with the first, wherein the driving element (41) has a third support element (56) which, together with a driving-element guiding member (61) which can be guided in the direction of the second guide rail section (36) and which is loaded in the direction of the end position (14) by means of a spring energy accumulator (81), forms a pivoting prismatic joint (63), wherein the third support element (56) is positioned in a guide slot (62) of the driving-element guiding member (61), characterized in that
    - the driving-element guiding member (61) has at least one stop (68) for limiting the pivoting of the driving element (41), which stop (68) protrudes beyond the first support element (42) on the side facing away from the second guide rail section (36), and
    - in that the pivoting prismatic joint (63) has a sliding direction (58) enclosing an acute angle with the direction of the first guide rail section (35), wherein the apex of said angle, with respect to the bearing pins (42, 43), is located on the side facing away from the second guide rail section (36), and
    wherein the apex is thus located on the side of the horizontal axis (6) connecting the centre points of the first two support elements (42, 43), which faces away from the third support element (56).
  2. Retraction device (10) according to claim 1, characterized in that,
    - in the end position (14), the first support element (42) and the second support element (43), which is spaced apart from the first by a reference distance (L), of the driving element (41) fit closely against the second guide rail section (36),
    - in that, in the stable parked position (13), the first support element (42) fits closely against the first guide rail section (35), and the second support element (43) fits closely against the second guide rail section (36), such that, in the stable parked position (13), a ray, the origin (8) of which is in the first support element (42) and which points in the direction of the second support element (43), is inclined by a pivot angle (β) relative to the position of this ray in the end position (14),
    - in that the third support element (56) is positioned within the angle (α) enclosed by the guide rail sections (35, 36),
    - in that the distance (79) of the third support element (56) from said ray is greater than or equal to the difference between the product of the reference distance (L) and the cotangent of the angle (α) enclosed by the guide rail sections (35, 36), and the product of the tangent of half of the pivot angle (β) and the distance of the origin (8) of the ray from the base point (57) of the perpendicular of the third support element (56) to the ray.
  3. Retraction device (10) according to claim 1, characterized in that the driving-element guiding member (61) has two lateral sections (64, 65), on which stops (68) are arranged.
  4. Retraction device (10) according to claim 3, characterized in that the lateral sections (64, 65) have reinforcement discs (69), which face away from the driving element (41), in the region of the stops (68).
  5. Retraction device (10) according to claim 1, characterized in that the stop (68) is part of a slot (67), at least in portions of which the first support element (42) can be guided.
  6. Retraction device (10) according to claim 2, characterized in that the distance of the base point (57) of the perpendicular from the first support element (42) is greater than the reference distance (L).
  7. Retraction device (10) according to claim 1, characterized in that the force (F) of the spring energy accumulator (81) has a local minimum in the stable parked position (13).
  8. Retraction device (10) according to claim 1, characterized in that it has at least one damping device (100) supporting the driving-element guiding member (61) on the housing (21) against the release direction of the spring energy accumulator (81).
  9. Retraction device (10) according to claim 8, characterized in that the damping device (100) has two cylinder-piston units (101, 111) connected in series.
  10. Retraction device (10) according to claim 1, characterized in that the spring energy accumulator (81) is a tension spring (81) articulated at the driving-element guiding member (61) and is deflected at the same.
EP17748380.7A 2016-06-29 2017-06-28 Drawing-in device for objects with high inertia Active EP3478916B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17748380T PL3478916T3 (en) 2016-06-29 2017-06-28 Drawing-in device for objects with high inertia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016007872.3A DE102016007872B4 (en) 2016-06-29 2016-06-29 Feeding device for objects with high mass inertia
PCT/DE2017/000186 WO2018001403A1 (en) 2016-06-29 2017-06-28 Drawing-in device for objects with high inertia

Publications (2)

Publication Number Publication Date
EP3478916A1 EP3478916A1 (en) 2019-05-08
EP3478916B1 true EP3478916B1 (en) 2021-04-07

Family

ID=59520702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17748380.7A Active EP3478916B1 (en) 2016-06-29 2017-06-28 Drawing-in device for objects with high inertia

Country Status (5)

Country Link
EP (1) EP3478916B1 (en)
DE (1) DE102016007872B4 (en)
ES (1) ES2871792T3 (en)
PL (1) PL3478916T3 (en)
WO (1) WO2018001403A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11503909B2 (en) 2020-06-11 2022-11-22 Cis Global Llc Self closing drawer assembly with dual-cam closing mechanism

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10261080B2 (en) 2013-11-19 2019-04-16 Acea Biosciences, Inc. Optical detection system for flow cytometer, flow cytometer system and methods of use
DE102018008207B4 (en) 2018-10-14 2023-11-09 Günther Zimmer Deceleration device with multi-part driving element

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1403268B1 (en) * 2010-12-20 2013-10-17 Muzzin S P A SLOW MOTION DEVICE FOR ROLLER GUIDES OF SLIDING PARTS
DE102014012961B3 (en) 2014-09-08 2015-12-24 Günther Zimmer Feeding device with damping device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11503909B2 (en) 2020-06-11 2022-11-22 Cis Global Llc Self closing drawer assembly with dual-cam closing mechanism

Also Published As

Publication number Publication date
WO2018001403A1 (en) 2018-01-04
ES2871792T3 (en) 2021-11-02
DE102016007872A1 (en) 2018-01-04
EP3478916A1 (en) 2019-05-08
DE102016007872B4 (en) 2019-10-24
PL3478916T3 (en) 2021-10-25

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