WO2020078492A1

WO2020078492A1 - Self-retracting device with accumulator loading device

Info

Publication number: WO2020078492A1
Application number: PCT/DE2019/000263
Authority: WO
Inventors: Martin Zimmer; Günther Zimmer
Original assignee: Martin Zimmer
Priority date: 2018-10-14
Filing date: 2019-10-13
Publication date: 2020-04-23
Also published as: DE102018008203A1; DE102018008203B4

Abstract

The invention relates to a self-retracting device (10) comprising a housing (11), a driving element (51) which can be moved back and forth in the housing (11) between a stand-by position (53) and an end position (52), and an energy accumulator assembly (100) which is connected to the housing (11) and is loaded by the driving element (51) at least when the driving element is moved from the stand-by position (53) in the direction of the end position (52). The energy accumulator assembly (100) has an end slide (102) which can be coupled to the driving element (51) and can be moved back and forth in the housing (11) between a parked position (105) that is secured in a force- and/or form-fitting manner and a retraction position (104), and the end slide (102) can be separated from the driving element (51) by means of an accumulator loading device (160) and can be transferred into the parked position (105). By virtue of the invention, a self-retracting device is developed with which only a small degree of energy is required to move a drawer or a sliding door out of an end position.

Description

Self-feeding device with storage loading device

Description :

The invention relates to a self-retracting device with a housing, with a driving element movable in the housing between a waiting position and an end position and back, and with an energy storage unit connected to the housing on one side, which loads the driving element at least during the process of the waiting position in the direction of the end position .

From DE 10 2012 100 394 A1 a self-closing device is known. The operator must apply energy to load the energy storage group when opening the sliding door.

Confirmation copy The present invention is based on the problem of reducing the energy required for moving a drawer or a sliding door with a pull-in device from an end position.

This problem is solved with the features of the main claim. For this purpose, the energy storage module has an end carriage which can be coupled to the driving element and which can be moved in the housing between a non-positively and / or positively secured parking position and a retracted position and back. In addition, the end carriage is separable from the entraining element by means of a storage charging device and is in the

Parking position eligible.

The invention discloses a self-retracting device, the energy storage module is decoupled from the driving element for charging. The energy storage module is charged by means of the storage charging device. This can be done with the door or drawer closed. When opening the sliding door or drawer, the operator essentially only has to overcome the inertia and frictional forces of the sliding door or drawer.

When the sliding door or the drawer is closed again, the end slide of the energy storage module couples with the driving element and conveys it into the end position. The storage charging device can be decoupled from the energy storage module after it has been charged, for example. Further details of the invention emerge from the subclaims and the following description of schematically illustrated embodiments.

Figure 1: self-feeding device;

Figure 2: Self-retracting device with removed

Upper shell;

Figure 3: lower shell;

Figure 4: driving element;

Figure 5: pull arm of the end carriage;

Figure 6: guide carriage of the end carriage;

Figure 7: conveyor sled;

Figure 8: Self-feeding device when loading the

Spring storage group;

Figure 9: Self-feeding device with loaded

Spring energy storage;

Figure 10: Self-closing device when resetting the

Memory loading device;

Figure 11: Self-closing device with a reset

Food loading device;

Figure 12: Self-closing device when opening the

Sliding door;

Figure 13: Self-retracting device when lowering the

Driving element;

Figure 14: Self-closing device with driving element in the

Waiting position;

Figure 15: Self-closing device when closing the door.

Figure 1 shows a self-retracting device (10). Derar term self-closing devices (10) are used to reliably, for example, sliding doors in a closed end position promote. The self-closing device (10) is arranged for example in a furniture body. A driver is then attached to the sliding door, which can be moved relative to the furniture body. It is also conceivable to arrange the self-closing device (10) on the sliding door and the driver on the furniture body. In a partial stroke of the total stroke of the sliding door adjoining the closed end position between an open and a closed end position, the driver couples with the self-retracting device (10). After coupling, the self-closing device (10) promotes the sliding door into the closed end position, for example.

When the sliding door is opened, it is conveyed along the partial lift mentioned, coupled with the self-closing device (10) in the direction of the open end position. At the end of the partial stroke, when the sliding door is opened further, it is decoupled from the self-closing device (10). The sliding door can now be moved further towards the open end position.

The self-retracting device (10) can also couple to the door in a partial stroke of the total stroke of the slide adjoining the open end position. It is also conceivable to arrange self-tightening devices (10) both in a partial stroke adjacent to the closed end position and in a partial stroke adjacent to the open end position. Instead of a sliding door arranged in a furniture body, the self-closing device (10) can also be arranged on a sliding door serving as a room divider, on a drawer, etc.

The self-retracting device (10) has a housing (11). The housing (11) has the shape of an elongated cuboid with four fastening plates (12). Its length in the longitudinal direction (5) is, for example, 460 millimeters. Its height in the height direction (7) is 16% of the length in the exemplary embodiment. The width in the width direction (6) is 0.4% of the length.

By an overhead in the representation of Figure 1

Longitudinal slot (13) projects a driving element (51) in the surrounding area (1). The longitudinal slot (13) has, for example, a rectangular cross section and is adjacent to an end wall (14) of the housing (11). The length of the longitudinal slot (13) in the exemplary embodiment is 30% of the length of the self-pulling device (10). In this illustration, the driving element (51) stands on the inner end of the longitudinal slot (13) facing away from the end wall (14). For example, it is in an end position (52). The driving element (51) has a Mitnehmerauf measure (54), which is limited by a push pin (55) and a Zugzap fen (56). The pull pin (56) points in the direction of the end wall (14). The pull pin (56) has a pull surface (57) oriented towards the driver receptacle (54), cf. Fi gur 4. This is e.g. parallel to a thrust surface (58) of the thrust pin (55) which is also oriented towards the take-up (54). In the end position (52) shown, both the traction surface (57) and the push surface (58) are normal to the longitudinal direction (5). When using the self-closing device (10) e.g. in a piece of furniture the driver is received when coupling with the self-retracting device (10) in the driver receptacle (54) of the driver element (51).

The housing (11) consists in the exemplary embodiment of a Ge housing lower shell (15) and a housing upper shell (16) which are joined together. For example, they are screwed together. The lower housing shell (15) and the upper housing shell (16) can also be glued, welded, etc. to one another. The joining plane is, for example, a vertical central longitudinal plane of the self-retracting device (10). FIG. 2 shows the self-closing device (10) from FIG. 1 with the upper housing shell (16) removed. In the housing lower shell (15) are the entrainment element (51), a storage device (160), an energy storage structure

group (100), a cylinder-piston unit (81) and a locking spring (91). The self-retracting device (10) can be designed without a cylinder-piston unit (81) and / or without a locking spring (91).

In the representations of Figures 1 and 2, the driving element (51) is in the end position (52). In this illustration, a piston rod head (82) of a piston rod (83) of the cylinder-piston unit (81) is mounted in the driving element (51). The e.g. T-shaped piston rod head (82) is also guided in the housing (11). The piston rod head (82) can also, as described below, rest on the driving element (51). The cylinder-piston unit (81) further comprises a cylinder (84) mounted in the housing (11). The piston rod (83) leads in the cylinder (84) relative to this movable piston. It is also conceivable for the pistons

to attach the rod (83) in the area of the rear wall (17). The cylinder (84) then lies against the driving element (51) or is connected to it. When the driving element (51) is in the end position (52), the piston rod (83) is retracted in the exemplary embodiment.

Below the cylinder-piston unit (81) is in the Dar position of Figure 2, the locking spring (91). This is held on the receiving element (51) and on the housing (11) in spring mounts (18, 59). The locking spring (91) is a tension spring (91) with a small change in tensile force per travel element. In the state shown, the locking spring (91) is discharged to a residual energy value. It is slightly less than hers relaxed length. The residual energy value acts with a residual tensile force on the driving element (51). The Mitnahmele element (51) is loaded in the direction of the rear wall (17). The sliding door is held in the closed position. Instead of the tumbler spring (91), for example, a magnetic coupling can be used, which secures the position of the driving element (51) relative to the housing (11) in the end position (52). The use of a spring clip is also conceivable.

The energy storage module (100) is arranged in the housing (11) below the driving element (51). The energy storage module (100) comprises a spring energy store (101) and an end slide (102) connected to it. In this exemplary embodiment, the spring energy store (101) is a pull-in spring (101) in the form of a tension spring. It is held on one side in the housing (11). The pull-in spring (101) is stronger than the tumbler spring (91). For example, their maximum pulling force is greater than the maximum pulling force of the guard locking spring (91). The maximum pulling force of the pull-in spring (101) is e.g. ten times the maximum pulling force of the locking spring (91). In the case of lengths, the change in tensile force per unit length of the pull-in spring (101) is, for example, greater than the corresponding value of the locking spring (91). In the exemplary embodiment, the spring end (103) facing away from the end carriage (102) is seated in a housing-side spring receptacle (19). It is also conceivable to connect the spring end (103) to the housing (11) by means of a rope or another spring.

The spring energy store (101) is guided around a deflection disk (21) mounted in the housing (11). The second end of the spring energy store (101) is held in an end slide (102). This end slide (102) is in the housing (11) between the illustrated retracted position (104) and a force and / or positively secured parking position (105), cf. Figures 9-14, and movable back. The end slide (102), which is constructed in several parts, has a guide slide (111) guided in the housing by means of two guide pins (112) and a pull arm (131) pivotably mounted on the latter. The pull arm (131) is mounted in the housing (11) by means of two pull arm pins (132, 134). A pivot bearing (113) connects the guide carriage (111) to the pull arm (131).

In the retracted position (104), the end slide (102) stands just in the housing (11). With a pulling arm (131) arranged on the pulling hook (142), it rests on the pulling pin side (61) of the driving element (51). A also on the pull arm (131) arranged locking pin (152) is in the feed position

tion (104) unloaded. A on the guide slide (111) arranged push hook (114) protrudes on the underside (106) of the end slide (102). This push hook (114) is in the illustrated position of the energy storage module (100) un loaded. The spring energy store (101) is relieved to a residual energy value. For example, the spring energy storage (101) is 30% longer than its relaxed length.

The storage charging device (160) is arranged below the energy storage group (100) in the illustration in FIG. 2. The storage loading device (160) comprises a drive unit (161) which drives a conveyor carriage (181) by means of a gear (171). The drive unit (161) has two e.g. electric drive motor

ren (162), which drive a threaded spindle (172) from both ends. The two drive motors (162) are, for example, driven in opposite directions. In the exemplary embodiment, a planetary gear sits on the output shafts of the drive motors (162). shoots (163). These planetary gears (163) slow down the rotational movement of the drive motors (162). Each of the planetary gears (163) is connected via a compensating clutch (164) to the threaded spindle (172). The Ge threaded spindle (172) is mounted in the housing (11) in two spaced plain bearings (173). On the threaded spindle del (172) there is a spindle nut (174) guided in the housing (11) so that it cannot rotate. The stroke of the spindle nut (174) along the threaded spindle (172) is limited, for example, by means of two limit switches.

The spindle nut (174) engages in the conveyor carriage (181) guided in the housing (11) in the longitudinal direction (5). The conveyor carriage (181) has a pawl (182) which in the illustration of FIGS. 2 and 7 projects upwards from the conveyor carriage (181). This pawl (182) is pivoted in the body (183) of the conveyor carriage (181). In the illustrated rest position (165) of the Speicherladevor device (160), the pawl (182) is spaced from the push hook (114) of the guide carriage (111).

On the side facing away from the pawl (182), the conveyor carriage (181) has a spring mount (184). This Federauf measure (184) is free in the embodiment. It is conceivable, however, to load the Speicherladevorrich device (160) in this spring mount (184) by means of a return spring. The second end of this return spring is then mounted, for example, in the housing (11).

Another construction of the storage loading device (160) is also conceivable. In this way, a single drive motor (162) can be used. The drive of the conveyor carriage (181) can also be by means of a linear motor, by means of a valve-controlled cylinder-piston unit, by means of a shape memory element, etc.

FIG. 3 shows a lower housing shell (15). The upper housing shell (16) is, for example, a mirror image of this. In the inside (22) of the lower housing shell (15) are four guideways (23, 28, 34, 35) are embossed, which are aligned at least in regions parallel to each other. In the illustration of Figure 3, the guide tracks (23, 28, 34, 35) are arranged one below the other. The uppermost guideway (23) below the longitudinal slot (13) is a driving element guideway (23). It has a straight section (24) and a curved section (25) adjoining the front end. The downward-oriented section (25) in the illustration of FIG. 3 is composed of a lowering bar

cut (26) and a securing section (27). The Absenkab section (26) includes, for example with the straight section (24), an angle of 170 degrees. The tangent to the center line of the securing section (27) includes an angle of 100 degrees at its end with the longitudinal direction (5).

A tension arm guideway (28) is arranged as a second guideway (28) below the driving element guideway (23).

The length of the tension arm guideway (28) in the longitudinal direction (5) in the exemplary embodiment is 94% of the length of the driving element guideway (23). Here, the rear wall of the housing (17) facing the end of the tension arm guide track (28) in the direction of the end wall (14) is offset from the corresponding end of the driving element guide track (23). The Zugarm guide track (28) has a horizontal Gleitab section (29) and a downward curved section (31). The locking portion (31) is arranged below the curved portion (25) of the driving element guide track (23). It comprises, for example, a sloping section (32) lying parallel to the lowering section (26) and a holding area (33). The center line of the lower end of the holding area (33) includes an angle of 80 degrees in the exemplary embodiment with the horizontal sliding section (29).

The third guideway (34) is an end slide guideway (34). It is oriented in the longitudinal direction (5) below half of the horizontal sliding section (29). In the example it stands in the direction of the back of the housing

wall (17) over the horizontal sliding section (29).

The fourth guideway (35) is also oriented in the longitudinal direction (5). This fourth guideway (35) is a conveyor carriage guideway (35). The conveyor carriage guide track (35) is, for example, 8% longer than the end slide guide track (34) and in the direction of the rear wall (17) of this. The offset at the front end is e.g. 10% of the length of the end slide guideway (34).

A guide bar (43) oriented in the longitudinal direction (5) is formed below the conveyor slide guideway (35) in the inner side (22). This guide bar (43) has in the Dar position of Figure 3 in its the rear wall (17) facing the first third of its length a switching recess (44). The guide web (43) is interrupted in the area of this switching recess (44). Below the conveyor slide guideway (35), the lower housing shell (15) has a spindle nut guide (36). This is also oriented in the longitudinal direction (5). Their length speaks, for example, to the length of the end slide guideway (34). The spindle nut guide (36) is designed as a flat surface in the exemplary embodiment.

Spin dellageraufnahmen (37) are arranged on both end faces of the spindle nut guide (36). These are, for example, half-shell-shaped. Outside of the Spindellagerauf recordings (37) receiving shells (38) for the Antriebsmoto ren (162) and the downstream planetary gear (163) are formed.

Between the driving element guideway (23) and the housing rear wall (17) is a cylinder receptacle (39). In the exemplary embodiment, this is t-shaped. Your middle line is aligned e.g. with the center line of the straight section (24) of the driving element guideway (23). In the longitudinal direction (5), the cylinder receptacle (39) is, for example, 25% longer than the driving element guideway (23).

Below the cylinder holder (39) two Federaufnah men (18, 19) are arranged. In the top, in direction of the end wall ^¬ (14) spring receiving open (18) which is received the Zuhaltefe- (91). In the bottom, in the direction of the housing rear wall (17) open spring retainer (19) is in the Dar ^¬ position of Figure 2, the pick spring (101) is held.

Between the spring mounts (18, 19) and the rear wall of the housing (17) are on a e.g. molded mounting plate (41) seven adjacent pin receptacles (42) arranged. In each of these pin receptacles (42), the deflection

disc (21) can be included. In the embodiment the deflection disk (21) is held in the pin receptacle (42) closest to the rear wall (17) of the housing.

Figure 4 shows the driving element (51) in an isometric view. The driving element (51) has the pull pin (56) and the push pin (55) in the upper region. Furthermore, in the area facing the end wall (14) it has a guide pin (63) projecting on both sides from the driving element body (62). The pull pin facing the end wall (14)

side (61) of the driving element (51) has a stop surface (64). This stop surface (64) is e.g. aligned parallel to the traction surface (57) and the thrust surface (58). In the rear wall (17) facing area of the Mitnahmele element (51) is a piston rod head receptacle (65) is molded. If the cylinder-piston unit (81) is designed with a return spring, a further guide pin can be provided instead of the piston rod head receptacle (65).

In the lower area, the driving element (51) shown has a hook mounting (66) arranged on the driving element body (62). This hook mounting (66) shows against the stop surface (64). For example, the planes of the two surfaces (64, 66) enclose an angle of 25 degrees. The imaginary intersection of both surfaces lies above the driving element (51). This imaginary cutting line is oriented in the width direction (6).

The driving element (51) has the back of the housing on it

wall (17) facing the end of the driving element Federauf (59). This spring holder (59) is ausgebil det fork-like and open downwards.

FIG. 5 shows the pull arm (131) of the end slide (102). The pull arm (131) is constructed in several parts. in the Embodiment he has a pull pin part (141), a fuse pin part (151), a leg spring (133) and the two pull arm pins (132, 134).

The pull pin part (141) carries the two pull arm pins (132, 134) which protrude from the pull pin part (141) on both sides in the width direction (6). In the exemplary embodiment, the pull arm pins (132, 134) stand further out of the pull pin part (141) on the left side than on the right side when viewed in the direction of the end wall (14). The pulling hook (142) protrudes from the top of the pulling pin part (141) at its end facing the end wall (14). This has a flat draw pin surface (143) which is oriented normal to the plane of the center line of the draw arm pins (132) and normal to the longitudinal direction (5). When the trunnion part (141) is installed, the trunnion surface (143) faces the rear wall of the housing (17).

On the side surface (144) with the larger projection of the pull arm pin (132, 134), the pull pin part (141) has a leg spring retainer (145). This comprises a depression, not shown here, concentrically surrounding the front draw arm pin (132), which is oriented in the direction of the end wall (14) and of which a e.g. almost tangent to the recess adjacent stitch channel.

In the leg spring receptacle (145) sits the leg spring (133), the second end of which is supported on or in the securing pin part (151). The top of the draw pin

part (141) and the securing pin part (151) are loaded relative to one another by means of the leg spring (133), so that they lie parallel to one another when the leg spring (133) is relaxed. The safety pin part (151) sits with play on the pull arm pin (132, 134) on the side of the larger projection relative to the pull pin part (141). In this case, the left pull arm pin opening (153) in the position shown in FIG. 5 has a circular cross-sectional area. The right opening (154) in this illustration is designed as a curved slot (154). The center line of the bend lies on the center line of the left traction arm pin opening (153). The angle between the two end positions of the elongated hole (154) referred to the center line is 7 degrees in the exemplary embodiment.

In the upper region of the safety pin part (151) the safety pin (152) is arranged. The securing pin (152) has a flat securing surface (155) which, in the exemplary embodiment, includes an angle of 72 degrees with the plane spanned by the center line of the upper limit of the elongated hole (154) and the center line of the pull arm pin opening (153). The securing surface (155) points in the direction of the arm pin opening (153). The securing pin (152) can be designed such that it can be folded down like a pawl. For example, it is in the opened state e.g. spring-loaded on a tilt stop and can be tilted in the direction of the end wall (14).

Between the pull arm pin opening (153) and the opening (154) is on the outside of the locking pin

partly (151) a stop pin (156) is arranged. This has a stop surface (157) oriented in the direction of the elongated hole (154). In the exemplary embodiment, the e.g. Flat on the stop surface (157) the otherwise circular cross-sectional surface of the stop bolt (156) around a circular section.

FIG. 6 shows the guide slide (111) of the end slide (102). The guide carriage (111) has a fork-shaped formed receiving tabs (115, 116). These protrude upwards in the position shown in FIG. 6. In the exemplary embodiment, the receiving tab (115) on the left has a book

tung (117). Both receiving tabs (115, 116) have openings (118) aligned with one another. In these openings (118) the rear train arm pin (134) is mounted when the energy storage module (100) is mounted. The body (119) of the guide slide (111) carries two guide pins (112) on each side. These are cylindrical, for example.

On the underside (106), the guide carriage (111) has the push hook (114) protruding downward. This has a driving surface (121) oriented normal to the longitudinal direction (5). The driving surface (121) points in the direction of a spring arranged on the rear side (122) of the body (119)

take (123). The spring energy store (101) is held in this spring mount (123) when the energy storage module (100) is installed.

The conveyor carriage (181) is shown in FIG. It comprises a slide body (183), a pawl (182) and a screw torsion spring (185) arranged between these two components. The carriage body (183) is at least approximately cuboid. In its rear area pointing in the direction of the rear wall of the housing (17), it has slide pins (186) projecting on both sides. In the front area he has a storage fork (187). In the storage fork (187), the pawl (182) sits on the carriage body

by (183) penetrating sliding pin (188). The lock

Pawl (182) has a locking surface (189) which is oriented normal to the longitudinal direction (5) in the position shown. From this position, the blocking surface (189) can be pivoted, for example, by an angle of 25 degrees around the sliding pin (188). In the presentation development of Figure 2, this pivot angle is oriented counterclockwise. The helical torsion spring (185) in the exemplary embodiment loads the pawl (182) relative to the slide body (183) in the position shown in FIGS. 2 and 7. The helical torsion spring (185) also has a sliding end (193) which protrudes downwards from the conveyor carriage (181).

The conveyor carriage (181) can also be formed with a pawl (182) integrated into the carriage body (183). The blocking surface (189) is then rigidly connected to the body (183) of the conveyor carriage (181) in the position shown in FIG. In such an embodiment, the helical torsion spring (185) can be omitted.

On the underside of the carriage body (183) has a recess (191) is arranged. In this recording exception

mung (191) grips an output pin (175) of the spindle nut (174) when the storage loading device (160) is mounted.

When assembling the self-retracting device (10), the drive motors (162) with the tarpaulin (163), the threaded spindle (172) and the spindle nut (174) seated thereon are inserted into the lower housing shell (15). The conveyor carriage (181) is then inserted into the conveyor carriage guide track (35) of the lower housing (15) so that the receiving recess (191) engages around the output pin (175) of the spindle nut (174). The pawl (182) points towards the end wall (14). The drive unit (161) forms together with the conveyor slide (181) the storage loading device (160).

Next is, for example, the energy store

group (100) in the lower housing shell (15). For this For example, the pre-assembled end slide (102) is inserted into the end slide guide track (34) and into the pull arm guide

track (28) used so that the push hook (114) is offset in the direction of the end wall (14) to the pawl (182). Then the spring energy storage (101) is suspended in the guide carriage (111), leads around the deflection disk (21) and in the housing-side pull-in spring

name (19).

The cylinder-piston unit (81) is inserted into the cylinder receptacle (39) of the lower housing shell (15). The piston rod head (82) is inserted into the driving element guideway (23). For example, in the transverse direction (6), the driving element (51) is pushed onto the piston rod head (82). The driving element guide pin (63) is inserted into the driving element guideway (23). The driving element (51) is now offset in the direction of the rear wall (17) of the pull arm pin (132) of the end slide (102). The locking spring (91) can then be hung in the driving element (51) and in the housing (11).

The self-retracting device (10) is now, for example, in the end position (52) shown in FIG. 2. The Fe energy store (101) and the locking spring (91) are each discharged to a respective residual energy value. After placing the upper housing shell (16) and joining the two housing shells (15, 16), the self-closing device (10) can be mounted, for example, on a sliding door. When used in a piece of furniture, the driver can then be attached to the furniture body. In the end position (52) the

Self-closing device (10), the sliding door is closed, for example. Figures 8-15 show the self-closing device (10) in individual static and non-static operating states. In all of these representations, the upper housing shell (16) is removed.

In Figure 8, the charging is the energy storage construction

group (100). The sliding door is closed. The driving element (51) is in the end position (52). The piston rod (83) of the cylinder-piston unit (81) is retracted. The locking spring (91) is released to a residual energy value.

For example, immediately after the sliding door is closed, the store loading device (160) is activated. The drive unit (161) moves by means of the drive motors (162) and the threaded spindle (172) the spindle nut (174) in the direction of the end wall (14). This direction is referred to below as the loading direction (176). The spindle nut (174) is guided in the housing (11). The spindle nut (174) takes the conveyor carriage (181) with it.

In the illustration in FIG. 8, the conveyor slide (181) lies against the push hook (114) of the end slide (102) with the blocking surface (189). The conveyor carriage (181) and the Endschlit th (102) thus form a stop coupling (107). The system of the end carriage (102) on the driving element (51) shown in FIG. 2 is canceled. The end carriage (102) is conveyed in the loading direction (176), for example in the direction of the end wall (14). The spring energy store (102) is lengthened. The energy storage module (100) is thus charged by means of the storage charging device (160). For example, the closed position of the sliding door is now only secured by means of the locking spring (91). Figure 9 shows the self-retracting device (10) with gela dener energy storage module (100). The driving element (51) is still in the end position (52). The operating states of the cylinder-piston unit (81) and the locking spring (91) are unchanged compared to the representations of Figures 2 and 8.

The drive unit (161) has moved the spindle nut (174) together with the conveyor carriage (181) further in the loading direction (176). The conveyor carriage (181) is still on the end carriage (102). The guide slide (111) of the end slide (102) is moved along the end slide guide track (34) further in the loading direction (176). The pull arm (131) of the end slide (102) is immersed with the front pin (132) in the locking section (31). The locking pin part (151) is pivoted relative to the pull pin part (141). For example, the stop pin (156) in the registration device (117). The spring energy store (101) is tensioned. It is energetically charged to the maximum operating value. The end slide (102) is secured in the park position (105) in a non-positive and / or positive manner. In the operating position shown, for example, the conveyor carriage (181) or the spindle nut (174) has actuated a limit switch. The drive motors (162) are switched off or over. If necessary, a winch encoder coupled to one of the drive motors (162), a position measuring system, etc. can also trigger a switch-off or switchover of the drive motors (162).

In the illustration in FIG. 10, the driving element (51) of the self-retracting device (10) is still in the end position (52). The sliding door is closed. The pistons

rod (83) of the cylinder-piston unit (81) is retracted and the guard locking spring (91) is stretched to the residual energy value. The end slide (102) is in the parking posi

tion (105). The spring energy store (101) is charged.

The drive motors (162) are switched relative to the representation of the fi gure 8. You turn the threaded spindle (172) in the opposite direction. The spindle nut (174) with the coupled conveyor carriage (181) is promoted against the loading direction (176) ge. The spindle nut (174) is guided in the housing (11). The stop coupling (107) between the conveyor slide (181) and the end slide (102) is released. The pawl (182) is pivoted in this representation in a reversing position (192), in which the locking surface (189) points downwards. The sliding end (193) of the helical torsion spring (185) slides along the guide web (43). The pawl (182) is now completely below the end slide (102). Damage to the drive unit (161) is avoided with a quick reclosing of the sliding door. The storage charging device (160) is thus decoupled from the energy storage module (100) in this illustration in FIG. 10. The energy storage assembly (100) is separated from the Mitnahmele element (51).

Figure 11 shows the self-closing device (10) also with the sliding door closed. The driving element (51) is still in the end position (52). The piston rod (83) of the cylinder-piston unit (81) is retracted and the tumbler spring (91) is largely relieved. The end slide (102) is in the park position (105). The spring energy feed

cher (101) is loaded.

The drive unit (161) has moved the conveyor carriage (181) to the right end position, for example. This position of the Speicherladevor direction (160) is referred to below as the rest position (165). The sliding end (193) of the helical torsion spring (185) has put the pawl (182) back on when it passes through the switching recess (44). The blocking surface (189) is now again oriented normally to the longitudinal direction (5). Here, for example, the conveyor carriage (181) or the spindle nut (174) has actuated a limit switch which has switched off the drive motors (162). The switch-off can also be carried out using a position measuring system, an angle encoder, etc.

FIG. 12 shows the self-closing device (10) when the sliding door is opened. The energy storage module (100) is charged. The end slide (102) is in the park position (105).

The storage loading device (160) is at rest

location (165). The conveyor carriage (181) stands in the end region of the conveyor carriage guide track (35) facing the housing rear wall (17).

The moved from the sliding door by means of the driver element (51) has left the end position (52) and moves in the direction of the end wall (14). This direction is referred to below as the opening direction (8). In the representation of Figure 12, the driving element (51) by means of the guide pin (63) and by means of the piston rod head (82) in the straight section (24) of the driving element guide

track (23). The driving element (51) pulls the piston rod (83) out of the cylinder (84) by means of the piston rod head (82). If the cylinder-piston unit (81) is designed with an internal return spring, the piston can

Drive the rod (83) along the driving element (51). The locking spring (91) is lengthened. FIG. 13 shows the self-retracting device (10) when the driving element (51) is moved further in the opening direction (8). In this representation, the Speicherladevor direction (160) is still in the rest position (165). The Endschlit ten (102) is in the park position (105). The spring energy store (101) is charged.

The driver element (51) is above the end carriage (102) in this illustration. The one in the direction of the forehead

wall (14) oriented guide pin (63) is immersed in the curved section (25) of the driving element guideway (23). The piston rod (83) is extended further, the locking spring (91) is further tensioned.

When opening the sliding door, the Mitnahmele element (51) is moved further in the opening direction (8). Here the guide pin (63) lowers further into the curved section (25). The driver is released. The sliding door can now be opened almost without resistance.

In the illustration in FIG. 14, the coupling between the driver and the driving element (51) is released. The driving element (51) is in a waiting position (53). In this waiting position (53) it is held by means of the end carriage (102) standing in the parking position (105). For example, it is locked with this. For this purpose, the securing pin (152) of the end carriage (102) engages in the hook receptacle (66) of the driving element (51). If necessary, the locking spring (91) can support the position of the driving element (51). The driving element (51) rests with its stop surface (64) on the pull hook (142) of the end carriage (102). Another type of coupling, for example a magnetic coupling, is conceivable between the end slide (102) and the driving element (51). That with- Taking element (51) can also be clamped in the housing (11) ge. The piston rod (83) is extended. The Kol benstangenkopf (82) lies in the straight section (24) of the driving element guideway (23). The spring energy storage (101) is loaded to the maximum operating value. The memory loading device (160) is in the rest position (165).

Figure 15 shows the feed device (10) when closing the sliding door. The driver of the sliding door has coupled with the taking element (51). Here he triggered the Mitnahmele element (51) from the waiting position (53). The driver element (51) is loaded by the driver in the closing direction (9). The driving element (51) has displaced the securing pin (152) of the end slide (102) in the closing direction (9) by means of the hook receptacle (66). The parking position (105) of the energy storage module (100) is released. So probably the driving element (51) and the pull arm (131) of the end carriage (102) are pivoted into the respective horizontal guide rail sections (24, 29). The relaxing spring energy storage (101) pulls by means of the end slide

tens (102) the driving element (51) in the direction of the end position (52). Here, the spring energy storage (101) is discharged.

In the exemplary embodiment, the driving element (51) loads the piston rod (83) of the cylinder-piston unit (81) when moving in the closing direction (9). The piston rod (83) is retracted. The displacement space of the cylinder (84) becomes e.g. throttled oil thrust through the piston into the compensation chamber. The movement of the driving element (51) is delayed.

The acceleration force exerted by the discharging spring energy storage (101) and that of the cylinder-piston Unit (81) decelerating force superimposed. If necessary, the inertia of the sliding door and the relaxing tumbler spring (91) can also in the

Generate closing direction (9) acting forces. The frictional forces of the overall system cause additional deceleration forces. On the driving element (51) moving in the closing direction (9), the resultant of all acceleration forces and all deceleration forces acts. The sliding door is slowly conveyed to the closed end position. Here it stops without striking.

The driving element (51) is in the end position (52) after closing the sliding door, cf. Figure 2. The energy storage module (100) is discharged to a residual energy value. The end carriage (102) in the retracted position (104). The memory loading device (160) is in the rest position (165). For example, the blocking surface (189) of the conveyor slide (181) is spaced from the push hook (114) of the end slide (102). This distance is e.g. greater than the space required for pivoting the pawl (182). In the rest position (165), the storage charging device (160) is thus decoupled from the energy storage module (100).

Combinations of the individual exemplary embodiments are also conceivable.

Reference symbol list:

1 environment

5 longitudinal direction

6 width direction, cross direction

7 height direction

8 opening direction

9 closing direction

10 self-retracting device

11 housing

12 mounting plates

13 longitudinal slot

14 end wall

15 lower housing shell

16 upper housing shell

17 rear wall of housing

18 spring retainer, tumbler spring retainer

19 spring retainer, retract spring retainer

21 deflection disk

22 inside of (15)

23 guideway, driving element guideway

24 straight section of (23)

25 curved section of (23)

26 lowering section

27 securing section

28 guideway, tension arm guideway

29 horizontal sliding section of (28)

31 locking portion of (28)

32 sloping section

33 stopping area 34 guideway, end slide guideway

35 guideway, conveyor sled guideway

36 spindle nut guide

37 spindle bearing mounts

38 receptacles

39 cylinder mount

41 mounting plate

42 cone holders

43 control board

44 switching recess

51 Driving element

52 end position

53 Waiting position

54 Carrier mount

55 push pins

56 draw pins

57 traction area

58 push surface

59 Spring mount, drive element spring mount

61 Drawbar side

62 Driving element body

63 guide pins

64 stop surface

65 Piston rod head holder

66 hook mount

81 cylinder-piston unit

82 piston rod head

83 piston rod

84 cylinders 91 Locking spring, tension spring

100 energy storage assembly

101 spring energy storage, retraction spring

102 end sledges

103 spring end

104 Feed position

105 parking position

106 underside of (102)

107 stop coupling

111 guide slides

112 guide pins

113 pivot bearing

114 pegs

115 mounting tab

116 mounting tab

117 indentation

118 breakthroughs

119 bodies of (111)

121 driving area

122 back

123 spring mount

131 pull arm

132 draw arm pins

133 leg spring

134 draw arm pins

141 pull pin part

142 draw hooks

143 trunnion surface

144 side surface 145 leg spring retainer

151 safety pin part

152 safety pin

153 pull arm pin breakthrough

154 breakthrough, slot

155 security area

156 stop bolts

157 stop surface

160 memory loading device

161 drive unit

162 drive motors

163 planetary gear

164 compensating coupling

165 rest position of (160)

171 gearbox

172 threaded spindle

173 plain bearings

174 spindle nut

175 output pin

176 loading direction

181 conveyor sledges

182 pawl

183 body of (181), sledge body

184 spring mount

185 helical torsion spring

186 carriage pins

187 storage fork

188 sliding pins

189 restricted area Recess recess return position sliding end of (185)

Claims

Claims:

1. self-retracting device (10) with a housing (11), with a in the housing (11) between a waiting position (53) and an end position (52) and retractable Mitnahmele element (51) and with one side with the housing (11) verbun those energy storage module (100), which loads the Mitnahmele element (51) at least when moving from the waiting position (53) towards the end position (52), characterized in that

- That the energy storage module (100) has a coupling element with the coupling element (51) that can be coupled (102), which in the housing (11) between a non-positive and / or positively secured parking position (105) and a retraction position (104) and can be moved back and

- That the end carriage (102) by means of a Speicherladevor device (160) from the driving element (51) is separable and can be conveyed into the parking position (105).

2. Feeder device (10) according to claim 1, characterized in that the energy storage module (100) when the end carriage (102) is conveyed into the parking position (105) by means of the storage loading device (160) can be charged energetically.

3. Self-retracting device (10) according to claim 1, characterized in that the waiting position (53) of the Mitnahmele element (51) by means of the end carriage (102) standing in the parking position (105) can be secured.

4. Self-retracting device (10) according to claim 1, characterized in that the storage charging device (160) from the energy storage module (100) can be decoupled.

5. Self-retracting device (10) according to claim 1, characterized in that the storage loading device (160) has a drive unit (161) and a guided in the housing (11), with the end carriage (102) coupling carriage (181).

6. self-retracting device (10) according to claim 5, characterized in that the conveyor carriage (181) with the end carriage (102) couplable, relative to a conveyor carriage body (183) pivotable pawl (182).

7. self-retracting device (10) according to claim 5, characterized in that the drive unit (161) has at least one drive motor (162) and a gear (171).

8. Self-retracting device (10) according to claim 1, characterized in that in the housing (11) a cylinder-piston unit (81) is mounted, at least by means of the warp position (53) in the direction of the end position ( 52) moving driving element (51) is resilient.

9. Self-retracting device (10) according to claim 1, characterized in that a tumbler spring (91) is held on the housing (11) and on the driving element (51).

10. self-retracting device (10) according to claim 9, characterized in that the energy storage module (100) has a spring energy storage (101) in the form of a Einzugfe (101), the tensile force in the parking position (105) greater than the tensile force of the Tension spring trained locking spring (91) in the waiting position (53).