RU2814964C2 - Child safety seat with retaining element for installation on seat of motor vehicle - Google Patents

Abstract

FIELD: safety devices.

SUBSTANCE: child safety seat for installation on the seat of a motor vehicle, as well as a method for installing a child car seat in a motor vehicle and a method for its operation. A child safety seat (50) for installation on a motor vehicle seat includes a holding element (52). Due to the design features, partial or complete dismantling or installation of the retaining element from the main body (51) is prevented in various configurations of the child safety seat and in its different operational states. The possibilities for configuring and/or installing the child car seat (50) depend on the fastening condition of the retaining element (52). A permanent connection device is provided between the holding element (52) and the main body (51).

EFFECT: improving the safety of using a child safety seat.

14 cl, 20 dwg

Description

The invention relates to a child car seat for installation on the seat of a motor vehicle.

These child car seats often have a restraint element that is designed to hold the child primarily in the event of a collision. Such a holding element is known, for example, from US Pat. No. 5,685,604, US Pat. No. 5,275,464 or US Pat. No. 5,507,558. In addition, rotation of the holding element about optionally lateral rotation axes is known from these publications. The holding element can also be detached on one or both sides, that is, optionally also completely removed.

The object of the invention is to provide a child car seat with a retention element, which can be used in a relatively simple manner. First of all, the risk of inappropriate handling must be at least reduced.

The above-mentioned problem is solved, first of all, by means of a child car seat for installation on a vehicle seat (preferably on a motor vehicle seat), wherein the child car seat includes a holding element. According to a first aspect of the invention, the child car seat and the retaining element are preferably configured such that (complete) removal of the retaining element from the main body (the child car seat) is prevented (blocked) in at least the first configuration of the child car seat and/or at least at least in the first operational state of the child car seat. According to a second aspect of the invention, which can optionally be combined with the first aspect, a child car seat with a retaining element is configured such that partial or at least complete installation of the retaining element on the main body (of the child car seat) is prevented (blocked) at least in a second configuration and/or at least in a second operational state of the child car seat. According to a third aspect of the invention, which can optionally be combined with the first and/or second aspect, the child car seat with the retaining element is designed in such a way that the possibilities (structural or structural options) for configuring the child car seat and/or installing the child car seat depend on the mounting condition holding element. In this case, a permanent connecting device, in particular a tape or belt, is provided between the holding element and the main body.

According to the invention, safety when using a child car seat is improved. According to a first aspect, removal of the holding element from the main body (at least in one or more specific configuration(s) or in one or more states/operational states) can be prevented. As a result, it can be prevented in the first place that the retaining element is completely removed from the child car seat and that the child car seat is then ultimately used without the retaining element (if actual use is necessary). Likewise, also according to the second aspect, possible incorrect handling practices and thereby safety deficiencies can be prevented or made at least less likely when the child car seat is configured or used in such a way that the restraint element is undesirable (for example, for a relatively large child , for which a motor vehicle seat belt can then be used if necessary). Through the functional (implicitly requiring a corresponding structural manifestation) relationship according to the third aspect, safety is improved, since the configuration of the child car seat or the use of the child car seat can only be permitted for fastening states of the retaining element in which such a fastening state is also appropriate. For example, adaptation of a child car seat to a relatively small child may be permitted when the retaining element is attached to the main body and thus forces at least its use.

According to one design form, (complete) removal of the holding element from the main body is prevented absolutely (in all configurations and/or operational states). In the case of such an embodiment, the holding element is therefore in any case forcedly connected to the main body.

By preventing (preventing) dismantling or installation, first of all, it should be understood that the corresponding installation/dismantling (at least in the corresponding configuration or the corresponding operational state) is impossible (without damaging the child car seat) or, at least, (obviously ) is complicated, for example, due to the fact that dismantling/installation is possible only after preliminary manipulation of the actuator, which, however, with the appropriate configuration or the appropriate operational state (or in general) is at least difficult to access, for example, (completely) closed. To prevent assembly or disassembly, at least one corresponding device for preventing assembly and/or disassembly may be provided.

The fastening state of the holding element is primarily understood to mean how the holding element is fully attached, partially attached or not attached at all to (or connected to) the main body. Complete fastening takes place, first of all, when the holding element is connected at all provided fastening points (for example, on both sides) to the main body (with closure, primarily forceful and/or geometric, or with retention). Partial fastening occurs when the holding element is connected at least at one point, but not at all provided points, to the main body (with closure, primarily forceful and/or geometric, or with retention). The holding element is not attached at all, especially when it is not connected to the main body (indirectly or directly; with closure, especially with force and/or geometric closure, or with retention), if necessary only touching it or located on distance from him.

By absolute prevention (preventing) dismantling, it should preferably be understood that dismantling is impossible (or only with the destruction of the child car seat), and, moreover, completely regardless of how the child car seat is configured or used.

The configuration of a child car seat should, first of all, be understood as the adjustment of a child car seat in relation to its use, primarily in relation to the growth of the child. Specifically, the configuration may be a tilting and/or translational shift (moving) of a child support member (eg, seat, backrest, headrest, sidewall). Specifically, in the case of the (first and/or second) configuration, we can talk about the orientation of the child car seat in relation to the base, and/or about the configuration, first of all, about the adjustment of the back of the child car seat in terms of the angle of inclination, and/or about the adjustment, especially in terms of the angle of inclination and/or height of the child’s headrest, and/or adjustment, primarily adjustment of the angle of rotation, and/or width, and/or height, of the side walls of the child car seat.

Child safety seat orientation refers primarily to the rotational position of the child safety seat around an (at least substantially) vertical axis, for example a forward orientation in which the child (when in use) faces the direction of travel, or a rearward orientation in which the child faces in the opposite direction to the direction of movement. Such orientation can, if necessary, be changed smoothly or in discrete steps. Along with the already mentioned forward and/or backward orientation, an orientation perpendicular to them can be provided, for example (to facilitate the entry and exit of the child). In general, the child car seat can be rotated in relation to the base if necessary, for example due to the fact that the child car seat generally remains on the base, but is rotated in relation to it by means of a rotating mechanism, and/or because the child car seat is removed from the base, then rotated and in a different orientation mounted again on the base.

The backrest tilt can also, if necessary, be adjusted continuously or in discrete steps over an angular range of, for example, at least 10°.

The inclination of the headrest (in relation to the backrest or to the horizontal position determined by the working position of the child car seat) can, if necessary, vary within a range of at least 10°. The height of the headrest and/or the side walls of the child car seat can, if necessary, in particular be varied in the range of at least 5 cm, preferably at least 10 cm.

The (first and second) operational condition should be understood, first of all, as the condition of the child car seat, if necessary, in relation to external elements/devices, primarily in relation to the child and/or the vehicle (primarily the vehicle seat) and/or (if necessary external) base of the child car seat. It should be noted here that, as a rule, the base provided if necessary (even if it can be removed from the child car seat) can be considered an integral part of the child car seat or a separate element for installing the child car seat.

First of all, the corresponding (first and/or second) operating state may be a state with a child in a child safety seat or a state without a child in a child safety seat. In addition, in the case of the corresponding (first and/or second) operational state, it may be a state in which the rear side and/or lower side of the child car seat is accessible/accessible, or a state in which the rear side and/or lower side of the child car seats are/are not available. In addition, in the case of the corresponding (first and/or second) operational state, it can be a state in which the child car seat is located on the base, or a state in which the child car seat is not located on the base. In addition, in the case of the corresponding (first and/or second) operational state, it can be a state in which the child car seat is located on the vehicle seat, or a state in which the child car seat is not located on the vehicle seat.

The holding element may comprise a transverse section. At its lateral ends, the holding element (on the right or on the left) can extend straight or curved, especially backwards, backwards-downwards or downwards (in the direction of the child, if he is placed in a child car seat). The holding element can suitably have at least partly a padding and/or optionally a rigid and/or dense or non-porous support structure. The transverse section may have a (transverse) length which is in particular at least 1.2 times, preferably at least 1.5 times and/or at most 6 times, preferably at most 4 times greater than the height of the holding element (that is, first of all, assigning its dimensions in a direction perpendicular to the transverse direction and perpendicular to the thickness direction, or perpendicular to the direction pointing in the direction of movement). In cross-section, the retaining element (with or without padding) can be made Conforming or U-shaped, with the C-shaped arms or U-shaped arms optionally being 0.8, preferably not more than 0.6, of the length of the section (transverse section ) connecting the C-shaped arms or U-shaped arms of the retaining element. If necessary, the upholstery may contain a structure with pores, for example formed by foam and/or filler, and/or a honeycomb structure, and/or a cellular structure. The restraint element may also have an airbag or parts of an airbag system. The airbag or parts of the airbag system are preferably mounted in the retaining element and/or secured to the airbag.

In addition, the retaining element may have one (or more) seat belt guide(s), which allow at least one seat belt (integrated in the child car seat or external) to be placed and routed accordingly. Alternatively, the retaining element can also be designed without seat belt guides.

The holding element may be connected or connected to the main body at several places (points or sections) (for example, at the right and left ends of the holding element). Preferably, the holding element is designed to be detachable from the main body at each of the plurality of locations, but then preferably not at all of the plurality of locations. Preferably, the holding element (or corresponding connecting devices) is configured in such a way that in at least one configuration and/or in at least one operational state (structural) it is excluded that at the same time at each of several places the holding element the element was (completely) disconnected from the main body.

In a specific embodiment, the holding element on the right and left sides of its transverse section is capable of connection with the main body (has the possibility of attachment), but is not able to be disconnected simultaneously from both the right and left sides.

At each of the plurality of locations (or points at which the retaining element is connectable or connected to the main body) a locking device may be provided, firstly (respectively) comprising a locking device (eg a stopper) and/or an actuating device (eg , control button and/or control slider) for fixing and/or unlocking the mounting of the retaining element in the appropriate place.

The locking device may comprise a seat belt tongue and/or a seat belt buckle. In addition, the locking device may comprise a stopper or a pin which, for example, engages in holes and/or recesses of the mating structure. Alternatively or additionally, the locking device may comprise an element which, for example, engages a rack. Preferably, a movable element (locking element) is provided which is movable between the locking position and the unlocked position. In addition, a release mechanism may be provided at/at each fastening location, for example on each side, which includes, for example, a button and/or a slider, and/or the like.

In general, it is preferable that all connections at all points are releasable, but preferably not all at the same time.

In some structural forms, the child safety seat may comprise a main body and a retaining element, wherein the retaining element comprises (at least) one (optionally two) securing strap(s), (each) with (at least) one (optionally two) ) a seat belt tongue(s) interacting (each) with one seat belt buckle on the main body. First of all, between the (both) seat belt buckles there is located (if necessary partially fixed or at least substantially rigid; preferably uneven or directed around the child's receiving cavity) a connecting device, in particular a clamp (specifically designed as a rod ), which can occupy two positions. In the first position, one seat belt tongue is in functional connection (interaction, primarily engagement) with a mating seat belt buckle. In the second position, the other tongue (the right tongue of the seat belt) is in functional connection (interaction, primarily engagement) with the corresponding seat belt buckle. The seat belt tongues may accordingly have a recess (window). Repositioning the connecting device (clamp) from the first position to the second (or vice versa) is preferably possible (only) when both seat belt tongues cooperate with the corresponding seat belt buckles. For repositioning, the child car seat preferably has a (primarily manually controlled) mechanism or an actuator, for example a switch, or a button, or a slider, in which case a rotary switch can be provided. In addition, each seat belt buckle may have a release mechanism by which the seat belt tongue and the seat belt buckle can be released from each other.

The release mechanism may include a push button (or other manually operated device), which may be colored red if necessary. To prevent the user from misunderstanding the red signal color of the locked side as a requirement for disconnection (although disconnection can still be prevented if necessary), a housing may be provided for the locked side release mechanism, which housing may be installed (manually) or automatically by manipulating the rotary switch. In the case of an automatic hood, the opening mechanism (opening button or push button) on the opposite side can, if necessary, simultaneously become accessible again (if necessary, also automatically).

In addition, each seat belt buckle may have a locking device (stop member) that prevents the corresponding end of the connecting device from entering the seat belt buckle receptacle (to engage the seat belt tongue recess/window) when no seat belt tongue is located in the seat belt buckle. This locking device can, if necessary, be moved by the penetration of the seat belt tongue into the buckle receiving cavity, from the seat belt blocking position (for example, move or unfold), so that the path for the end of the connecting device becomes clear. The locking device may be elastically pressed by a spring and/or return to a locking position when the seat belt tongue is removed from the seat belt buckle.

The locking devices, in particular their locking devices and/or actuating devices, of at least two of several places are preferably in functional connection with each other, for example mechanically and/or electrically (electronically), in particular in such a way that the release of the first locking of at least two locking devices is possible only if the second of at least two locking devices is in a locked state.

Specifically, the mechanical connection can occur through a rigid or flexible element, for example a rod system or a cable (flexible cable). The mechanical (functional) connection may be located in the main body of the child car seat and/or in the retaining element.

The release of the fastening (connection) at a first location (primarily on the first side) leads, preferably via a functional connection, to the fact that the release of the fastening at a second location (primarily on the second side) is blocked, primarily (precisely) until refastening in the first place (on the first side).

The release of the fastening (connection) at the second place (primarily on the second side) leads, preferably via a (functional) connection, to the fact that the release of the fastening at the first place (on the first side) is blocked, first of all (precisely) until re-fastening on second place (on the first side).

In a preferred embodiment, locking means may be present at several locations (in particular on both sides), which are associated with the fastening devices (fastening mechanisms) at their respective location (on their respective side). Each locking means is preferably movable between a unlocking position, in which release of the mating fastener is not blocked, and a locking position, in which it can (optionally) block release of the mating fastener.

Several locking means (both locking means) can be connected to each other by means of a (functional) connection, and preferably in such a way that it is always one locking means in the locking position and at least one other locking means in the locking position. unlock position. Thus, both locking means can never be in the locked position or both locking means in the unlocked position. The transfer of a blocking agent is preferably forced along with the transfer of another blocking agent. The transfer of the corresponding locking means must take place precisely when (and preferably only when) the fastening devices (fastening mechanisms) on both sides are closed and release is undertaken on the side (or more generally: at the location) on which the corresponding locking means the device is in the locked position. In this case, the translation of the locking means can take place (if necessary directly) by manipulating the unlocking mechanism or also by moving the locking device (locking element) of the locking device (fastening mechanism) into a disengaged position. In addition, the locking element (locking device) preferably, on its part, blocks the translation of the locking means in its disengaged position.

In general, several conditions are acceptable. According to the first state, at the first place (first side) the fastening can be released and the locking means can be in the unlocked position, and also at the second place (second side) the fastening can be closed and the locking means can be in the locking position, and the locking means cannot be translated . According to the second state, at the first place (first side), the fastening may be closed and the locking means may be in the locked position, and also at the second place (second side), the fastening may be closed and the locking means may be in the unlocking position, wherein the locking means are translatable . Moreover, the reverse states (in which in the above the first place/first side changes with the second/second) are just as possible.

As an alternative or in addition to the mechanical (functional) connection, an electrical connection (wireless or wired) can be provided, optionally with sensors to detect fastening. The movement/manipulation of the blocking means can then take place, for example, by means of electromagnets or the like. In such an embodiment, additional components can also be used, such as an energy accumulator and/or a connector for power supply, a memory unit for storing program code, a processor and/or, if necessary, sensors to create conditions for controlling electric drives (electric motors) or electromagnets.

In another form of implementation, a permanent (primarily, under no circumstances detachable) connecting device, for example containing a cord and/or cable, and/or chain, and/or tape, and/or belt, is designed so that it is in working condition holding the element does not perceive at least significant forces (for example, in the event of a collision) or, at least, essentially does not have the function of restraining the child. Optionally, the connecting device can also have a holding function, for example by preventing at least (or exclusively) so-called diving (slipping of a child under a restraining element). First of all, the connecting device may have the property that, in the state in which the child is placed in the child car seat and held (fixed) by the holding element, it does not experience pressure and/or tension, but, for example, hangs relaxed. The connecting (one-piece) device may be functionally similar to a ski binding with straps. The connecting (one-piece) device can be made flexible and/or unstable in shape. The first end of the connecting (one-piece) device may be located (attached) on the front side (facing away from the child) or on the back side (facing the child), or on the underside of the holding element. In addition, the (one-piece) connecting device can be attached at its second end to the second end of the child car seat (preferably at a location where the crotch belt is also attached). The connecting (one-piece) device can have additional functionality, for example, additional connections can be realized by means of the (one-piece) connecting device in addition to the mechanical connection. Such additional connections may comprise, for example, electrical connections and/or connections for gas supply. First of all, in this way it is possible to control and/or supply gas to the airbag integrated in the retaining element.

In other forms of implementation, an actuating device may be provided to permit, in particular complete, release of the holding element. The actuator in the assembled state of the child car seat is preferably inaccessible or located on the rear side and/or underside of the child car seat. Alternatively or additionally, when the actuator allows disengagement of the restraint element and the child car seat is not installed and/or the child car seat is not seated in the child car seat, then installing the child car seat or positioning the child in the child car seat in at least one configuration and/or orientation of the child car seats can be prevented (blocked), for example, by the fact that the actuator is initiated by means of a handle, for example a lever, which in this case is an obstacle, and/or by the corresponding mechanism being initiated by the seat being directed closer to the backrest, First of all, it leans back.

In addition, it can be provided that the actuator (only) then allows the (in particular complete) release of the holding element when the child car seat, in particular its headrest and/or side walls, is adjusted to a height within a predetermined height range.

Typically, the possibility of detaching, in particular completely, the retaining element and/or the possibility of, in particular, completely mounting the retaining element can be coupled with adjustment to the height of the child, especially with the adjustment of the headrest and/or side walls. Preferably, the retaining element is releasable (only) when a predetermined minimum height is adjusted (wherein the minimum height is greater than the minimum adjustable height). Alternatively or additionally, the retaining element can be mounted (only) when the predetermined maximum height is adjusted (with the maximum height, if necessary, being less than the maximum adjustable height). The minimum and maximum heights may be identical, or the minimum height may be less than the maximum height, preferably in such a way that the retaining element can be mounted freely in a height range, the height range being preferably no more than 25% and/or at least 5% of the total range available for height adjustment. In addition, the height range preferably includes a range suitable for children with a height of (about) 105 cm and/or a weight of (about) 15-18 kg.

Alternatively or additionally, the possibility of height adjustment of the child car seat, in particular the adjustment of the headrest and/or side walls, can be coupled to the fastening condition of the retaining element. First of all, a height that is equal to the minimum height or exceeds a predetermined minimum height can only be adjusted when the holding element is at least partially, especially completely, disengaged, and/or a height that is equal to or lower than the minimum height , can only be possible with the holding element at least partially secured. By height adjustment, primarily in relation to the headrest and/or in relation to the side walls, one can understand, first of all, the coordination of the distance and/or angle (for example, of the headrest and/or side walls) from the seat/in relation to the seat and/ or in relation to the back.

The back may have at least one groove, which preferably contains, if necessary, two (slightly) mutually offset straight sections and one (extending substantially perpendicular to the straight sections, in particular extending at least substantially horizontally) connecting section. The headrest preferably has at least one (specifically two) pin(s) which can move in or be guided in a mating groove. The pin can preferably occupy (at least) two positions relative to the direction perpendicular to the straight sections and/or perpendicular to the axis of symmetry of the head restraint. Preferably, the pin can be moved from one position to another only in the area of the connecting section.

The translation of the pin can, first of all, be adjusted either directly by (completely) disconnecting/dismounting (or at least partially, if necessary completely) mounting the holding element. Alternatively or additionally, the control can take place indirectly by means of a (primarily closed, optionally openly accessible) mechanism, such as a button and/or switch and/or slider. A specific option for adjusting the pin may be a rod system.

When the head restraint is in its highest position, the pin may be outward (displaced outward with respect to the axis of symmetry of the head restraint), and the pin cannot be moved to another position. When the headrest is in its middle position, the pin may (still) be on the outside, but be able to move inward. When the headrest is in the middle position, the pin may be (already) positioned inward (that is, moved closer to the axis of symmetry of the headrest, but (still) moved outward (away from the axis of symmetry)). When the head restraint is in its lowest position, the pin may be relatively far inward (displaced in the direction of the axis of symmetry), and the pin cannot be moved to a further outward position.

There may also be additional lockable headrest positions between the headrest positions shown. Preferably, the head restraint can be fixed in the positions shown, which, however, is not mandatory.

Consequently, depending on the form of implementation, moving the pin to different positions is either possible or impossible. If the translation of the pin now involves (complete) disengagement or (at least partial) installation of the holding element, this means that (complete) disengagement and/or (at least partial) installation of the retaining element is only possible if , when the pin can be moved to a correspondingly different position. Preferably, in such a case, the mounted retaining element should be associated with the low positions of the head restraint and the disconnected retaining element should be associated with the high positions.

Adjustment by positioning the side walls can occur similarly to (and/or together with) the height adjustment of the headrest. The height adjustment of the side walls can occur (at least substantially) by means of vertical grooves. The width adjustment may occur (at least substantially) via horizontal grooves. The height and width of the side walls can be adjusted using diagonal grooves.

The pin and groove can also be swapped (that is, the pin can be located on the back). The groove can be replaced by another device with a guide rail. The pin may be replaced by another sliding device, such as a projection and/or a rod and/or a roller. The groove portions can be reversed with respect to positioning further inward and further outward.

In some structural forms, the orientation of the child safety seat relative to the base and/or seat of the vehicle may be variable. Preferably, the retaining element is not releasable in any possible orientation, more preferably neither forward nor backward orientation. Alternatively or additionally, the ability to adjust (or change) the orientation may depend on the fastening condition of the holding element. Alternatively or additionally, the child car seat may be completely removable from the base, wherein the retaining element is preferably removable (only) with the child car seat removed from the base, and/or the child car seat, with the retaining element mounted, cannot be mounted to the base in rearward direction and/or the child car seat cannot be mounted on the base in the forward direction if the retaining element is not installed.

In specific forms of implementation, the retaining element can be detached (only) in the position of entry and exit (for example, rotated 90° relative to the direction of movement). Based on the entry and exit position, alternatively or additionally, with the holding element attached, only the forward direction can be achieved. Alternatively or additionally, when the holding element is not fastened, only the rearward direction can be achieved based on the landing or landing position.

When the child car seat includes a base, and the child car seat can be disengaged from the base and reinstalled, for example, in a forward or rearward orientation, the removability of the retaining element from the main body can be ensured (only) when the seat is disconnected from the base, and/or with the retaining element attached element, if disconnected from the base of the chair, installation may only be possible in the forward direction, and/or with an unfastened retaining element, if not connected to the base of the chair, installation may only be possible in the rearward direction.

The child car seat and the base are rotatable relative to each other (and the child car seat does not necessarily need to be removed from the base; that is, the child car seat is preferably rotatable on the base). The base may have a groove consisting of two curves (primarily semicircles) that are offset relative to each other (primarily two semicircles with different radii). Both curves (semicircles) are connected to each other (at two connecting sections). The child car seat has a pin that can move in or through a groove and can generally occupy two different positions relative to the distance to the center of the semicircles or to the axis of rotation. Translation of the pin from one position to another is possible, preferably, only in both places (or in a range containing these places) in which the groove changes its radius (or in which the smaller semicircle ends and the larger semicircle begins). These positions correspond preferably to entry or exit positions, which are primarily rotated by 90° to the possible operating positions (in the direction of travel or against the direction of travel).

The translation of the pin can be adjusted either directly by (complete) disconnection/disassembly, or by (at least partial) installation of the retaining element. Alternatively, control may occur indirectly through a (primarily closed or openly accessible) mechanism, such as a button or switch, or slider. An option for pin adjustment may be a rod system. Preferably, in such a case, the mounted retaining element should be mated to the forward direction of the child car seat, and the disconnected retaining element should be mated to the rearward direction of the child car seat.

The pin and groove can also be reversed (that is, the pin can be located on the base). The groove can be replaced by another device with a guide rail. The pin may be replaced by another sliding device, such as a projection and/or a rod and/or a roller.

In some designs, the child car seat can be removed from the base and reinstalled rotated 180° (forward and rearward orientation). The base preferably has at least one recess (specifically two recesses), so that an asymmetry is obtained with respect to the direction of movement. The child car seat has on its underside a protruding element (specifically, two protruding elements) which - provided a suitable orientation - can be placed in the corresponding recess when the child car seat is secured to the base.

The protruding (corresponding) element can be moved such that in a first position it allows installation of a child car seat on the base in a forward direction and in a second position it allows installation of a child car seat on the base in a rearward direction. The translation may preferably be translational (alternatively or additionally, rotationally, for example by tilting, such as a tumbler). The translation of the (corresponding) projecting element can be adjusted either directly by (complete) disconnection/dismantling, or by (at least partial) installation of the holding element. Or the control may occur indirectly through a (closed or open) mechanism, such as a button or switch or slider. A suitable option for adjusting the (appropriate) protruding element may be a rod system.

The recess and the protruding element can also be swapped (ie, the protruding element can be located on the base).

Alternatively or additionally, it is conceivable that, instead of a protruding element, a recess (recess) has the possibility of movement.

For the purposes of this invention, the term “child car seat” should be understood as a generic concept for “classic” child car seats and bassinets for transporting infants in a car. However, preferably, in the case of a child car seat of the present invention, we are talking about a (classic) child car seat (for fairly large children, for example, a child car seat of groups I/II and/or III), which has a backrest that is structurally separated from the seat, the inclination of which is in relation to the seat may vary if necessary. The structural demarcation can be created, for example, by bending or the like. However, in general (unless otherwise indicated in a specific connection), a child car seat should always be understood as an abbreviation for "child car seat, for example a carrycot for transporting infants in a car", or, within the scope of this invention, the features provided for a child car seat are generally also applicable to a carrycot for transporting infants in a car, and vice versa (until otherwise indicated). The same is true for the concept "child", which should also be taken as a generic concept for children and newborns, as well as young children. So-called "Infant car bassinets" often contain (only) a single-piece cradle to accommodate a newborn or child and may contain its own seat belt system, optionally a headrest, and optionally other components. Instead of a (structurally demarcated) backrest, such “cradles for transporting infants in a car” have a section for the back adjacent to a “seat” in which the baby’s buttocks can be placed.

A child in a child car seat can be secured using a three-point car seat belt or using a seat belt provided on the child car seat itself (for example, a five-point seat belt, chest belt, etc.). In this case, the seat belt can be pulled over the shoulder of the child in the seat towards the opposite side of the pelvis. However, two seat belts can also be provided, which are respectively pulled over one of the shoulders.

Objects of the invention are also a child restraint system comprising the above-described child car seat and base, as well as a motor vehicle with the above-described child car seat or the above-mentioned system.

Further forms of implementation follow from additional claims.

The invention is described below based on embodiments, which are explained in more detail based on the drawings. This is shown in:

Fig. 1 shows a mechanism according to the invention for securing a holding element in schematic form,

Fig. 2 - mechanism according to Fig. 1 in a different way from FIG. 1, position,

Fig. 3 - mechanism according to Fig. 1 in one more position,

Fig. 4 - child car seat according to the invention, angled view,

Fig. 5 - child car seat according to Fig. 4 in lateral projection,

Fig. 6 - another form of execution of a child car seat according to the invention, viewed from an angle,

Fig. 7 - child car seat according to Fig. 6 in lateral projection,

Fig. 8 - fragment of another child car seat according to the invention in the first configuration,

Fig. 9 - fragment according to Fig. 8 in a different configuration,

Fig. 10 - fragment according to Fig. 8 in a different configuration,

Fig. 11 - fragment according to Fig. 8 in a different configuration,

Fig. 12 is a fragment of another child car seat according to the invention in the first configuration,

Fig. 13 - fragment according to Fig. 12 in a different configuration,

Fig. 14 - fragment according to Fig. 12 in a different configuration,

Fig. 15 - fragment according to Fig. 12 in a different configuration,

Fig. 16 is a schematic fragment of another child car seat according to the invention,

Fig. 17 is a schematic representation of the components of another child car seat according to the invention in a first configuration,

Fig. 18 - fragment according to Fig. 17 in a different configuration,

Fig. 19 is an enlarged view of a fragment from FIG. 18, and

Fig. 20 - fragment according to FIG. 19 in different configurations.

In the following description, the same numerical designations are used for identical and identically functioning parts.

The assembled mechanism 10 (see FIGS. 1-3) allows the fastening of a holding element (not shown in FIG. 1) to the main body on a first side (location) 100 and on a second side (location) 200. On the first side 100 a first locking device (first locking mechanism) 101 is provided with a first locking device 102 comprising a first locking element 111 which has a first pin 110 at its one end and a first beveled surface 112 at its opposite end. The first pin 110 engages the first mating structure 130 of the first locking device 102 (eg, a recess or hole). The first locking element also has a protrusion which defines a first actuator 113 (first release mechanism) and by means of which the first locking element 111 can be disengaged from the first response structure 130 against the force of the first spring 114. Movement of the first locking element 111 (due to manipulation of the first release mechanism 130) is locked by the first locking means 120 with a third beveled surface 121 that lies (exactly) opposite the first beveled surface 112 of the first locking element 111 and can interact with it to cause movement of the first locking means 120 in a direction perpendicular to the direction of movement of the first locking element element 111 and against the force of the third spring 122.

The second side 200 has a substantially nearly identical arrangement with the (only) difference that there is no spring associated with the second locking means 220 (corresponding to the third spring 122). Specifically, associated with the second side 200 are a second locking device (second locking mechanism) 201, a second locking device 202, a second pin 210, a second locking element 211, a second beveled surface 212, a second actuator 213 (a second release mechanism, such as a button), a second spring 214, second locking means 220 and second response structure 230. The devices, means and/or elements listed in the previous sentence are preferably configured as corresponding devices, means and/or elements of the first side 100.

Due to the fact that there is no spring associated with the second locking means 220, the second locking means 220 is in the unlocked position relative to the second locking element 211 (while the first locking means 120 is in the locked position relative to the first locking element 111).

Both locking means are connected by means of a first flexible cable 11 and a second flexible cable 12 (as examples of corresponding force transmission means in general), which on respectively opposite sides of the locking means 120, 220 are attached in such a way that they transmit the translation of one (for example, the first) locking means from its locking position to the unlocking position into moving another (eg, second) locking means from its unlocking position to the locking position. By force of the third spring 122, preferably the first locking means is in its locking position and the second locking means is in its unlocking position. The flexible cables 11, 12 can be deflected appropriately by means of the rollers 13.

The assembled mechanism 10, excluding the response structures 130, 230, may be completely integrated into the main body of the child car seat. The response structures 130, 230 may be an integral part of the retaining element and, for example, be designed as the tongues of a seat belt. Both release mechanisms 113, 213 may have a (not shown) memory function. As a consequence, manipulation of the corresponding release mechanism 113, 213 is maintained until (without additional external influence) the corresponding response structure 130, 230, having been removed from the corresponding receptacle (eg, a seat belt buckle), is reinserted therein.

In shown in FIG. 1, in the arrangement of the assembled mechanism 10, both sides 100, 200 are fixed.

The assembled mechanism 10 in FIG. 2 is identical to that in FIG. 1, however, the second actuator 213 has been manipulated such that the second pin 210 of the second locking element 211 is disengaged from the second mating structure 230 against the force of the second spring 214. It will be appreciated that the second locking element 211 now blocks movement of the second locking means. 220 from its unlocked position to its locked position. Due to both flexible cables 11, 12, the first locking means 120 is prevented from being moved from its locking position to its unlocking position, so that the first unlocking mechanism 113 cannot be manipulated.

In shown in FIG. 2 position of the mechanism 10 assembly, the first side 100 is fixed, and the second side 200 is not fixed.

The assembled mechanism 10 in FIG. 3 is identical to that in FIG. 1, however, the first actuator 113 has been manipulated such that the first pin 110 of the first locking element 111 is disengaged from the first response structure 130 against the force of the first spring 114. At the same time, the first locking means 120 is moved from its locking position to its unlock position. Due to the connection of the locking means 120, 220 by means of flexible cables 11, 12, the second locking means 220 was also moved, namely from its unlocking position to its locking position. Thus, the first locking element 111 now blocks movement of the first locking means 120 from its unlocking position to the locked position and thereby also prevents the second locking means 220 from moving from its locking position back to the unlocking position, so that the second unlocking mechanism 113 cannot now be manipulated.

In shown in FIG. 3 position of the mechanism 10 assembly, the first side 100 is not fixed, and the second side 200 is fixed.

In fig. 4 and 5 show a child car seat 50 with a main body 51 and a retaining element 52, wherein the retaining element 52 has a transverse portion 56 and a first (left) side portion 57, as well as a second (right) side portion 58. The retaining element 52 also accommodates a fastening strap 53 extending along the transverse portion 56 and at the first and second side portions 57, 58 of the retaining member, respectively having a seat belt tongue 54 that can be engaged with a corresponding seat belt buckle 55 on the sides of the main body 51. The seat belt tongues can contain response structures 130, 230.

In the case of the chair according to FIG. 4 and 5, the holding element may be removable in the in and out position and/or can be rotated (relative to the base 60) forward or backward. In addition, the backrest 61 or the entire chair can be adjusted with respect to its inclination.

In fig. 6 and 7 show a child car seat 50 with a main body 51 and a holding element 52 according to another embodiment. The retaining element 52 likewise has a transverse portion 56 and a first (left) side portion 57, as well as a second (right) side portion 58. Securing of the retaining element 52 is not explicitly shown (the securing may be via a vehicle seat belt). The main body 51 contains a height-adjustable headrest 59.

In the case of the chair according to FIG. 6 and 7, the detachability of the holding element can be ensured depending on the position of the headrest. Even if a particular chair is used only in the forward direction when necessary, it is also acceptable to associate the orientation with the fastening of the retaining element.

In fig. 8-11 show schematic fragments of a child car seat according to the invention in various configurations. The solid lines represent the headrest 59 and the dotted lines represent the backrest 61 of the child car seat. The headrest 59 and the backrest 61 are mutually movable (can be moved). The back 61 has two grooves 62, which respectively consist of two (slightly) mutually offset straight sections 63, 64 and one (extending substantially perpendicular to the straight sections 63, 64, especially extending at least mainly horizontally) connecting section 65. The headrest 59 has two pins 66 that can move in or extend into a correspondingly located groove 62. The pin 66 can occupy (at least) two positions relative to the direction perpendicular to the straight sections 63, 64 or perpendicular to the axis of symmetry of the head restraint 59 (the first position being shown in FIGS. 8 and 9, while the second position being shown in FIGS. 10 and eleven).

In fig. 8-11 it can be seen that moving the pin 66 from one position to another is possible only in the area of the connecting section 65.

The translation of the pin 66 can be adjusted either directly by (completely) disconnecting/dismantling (or at least partially, if necessary completely) mounting the retaining element (not shown in Fig. 8-11). Alternatively or additionally, the control can take place indirectly by means of a (primarily closed, optionally openly accessible) mechanism, such as a button and/or switch and/or slider. A particular option for adjusting the pin 66 may be a linkage system.

In fig. 8 specifically shows the headrest 59 in its highest position. To do this, the corresponding pin 66 must be outside (in relation to the axis of symmetry of the headrest, shifted outward), and moving the corresponding pin to another position is impossible. In fig. 9, the headrest 59 is in the middle position, and the corresponding pin 66 is (still) located on the outside, but can be moved inward. In fig. 10 shows the headrest in the middle position according to FIG. 9, with the corresponding pin 66 (already) located internally (that is, shifted closer to the axis of symmetry of the headrest, but (still) can be displaced outward (from the axis of symmetry)). In fig. Figure 11 shows the headrest in its lowest position. For this purpose, the corresponding pin 66 can be located relatively far inside (displaced in the direction of the axis of symmetry), and moving the pin 66 to a position further outward (according to Fig. 8 or 9) is impossible.

There may also be additional lockable head restraint positions between the head restraint 59 positions shown. Preferably, the head restraint can be fixed in the positions shown, which, however, is not mandatory.

Consequently, depending on the form of implementation, moving the corresponding pin into different positions is either possible or impossible. If the translation of the pin now involves (complete) disengagement or (at least partial) installation of the holding element, this means that (complete) disengagement and/or (at least partial) installation of the retaining element is only possible if , when the pin can be moved to a correspondingly different position.

The adjustment by positioning the side walls can be similar to the height adjustment of the headrest 59. The height adjustment of the side walls can occur (at least substantially) by means of vertical grooves. The width adjustment may occur (at least substantially) via horizontal grooves. The height and width of the side walls can be adjusted using diagonal grooves.

In fig. 12-15 show another embodiment of a child car seat according to the invention in the form of fragments, namely in four different configurations. The solid lines show the bottom side 67 of the child car seat, and the dotted lines show the top side 68 of the corresponding base 60. The child car seat 50 and the base 60 are rotatable with respect to each other (the child car seat 50 does not necessarily have to be removed from the base 60; that is, the child car seat , preferably, is rotatable on the base 60). The base 60 has a groove 69 consisting of two semicircles that are offset from each other or have different radii. Both semicircles are connected to each other (at two connecting sections). The child car seat 50 has a pin 70 that can move in or extend into the groove 69 and can generally occupy two different positions with respect to the distance from the center of the semicircles or from the axis of rotation.

In fig. 12-15 it is clear that the translation of the pin 70 from one position to another is possible only in both places in which the groove 69 changes its radius (or in which the smaller semicircle ends and the larger semicircle begins). These positions correspond to entry and exit positions that are rotated 90° to the possible operating positions (in the direction of travel or against the direction of travel). In fig. 12 and 15 show both preferred operating positions (forward or rearward).

In fig. 13 and 14 respectively show the 90° positions, with the pin installed once on the larger semicircle and once on the smaller semicircle (radius). The translation of the pin 77 can be adjusted either directly by (complete) disconnection/disassembly, or by (at least partial) installation of the retaining element. Alternatively, control may occur indirectly through a (primarily closed or openly accessible) mechanism, such as a button or switch or slider. An option for adjusting the pin 70 may be a rod system.

In fig. 16 is a fragmentary and schematic representation of another embodiment of a child car seat according to the invention, wherein the lower side 67 of the child car seat 50 is shown in solid lines and the upper side 68 of the base 60 is shown in dotted lines, wherein the child car seat 50 can be removed from the base 60 and reinstalled. rotated 180° (forward and backward orientation).

The base 60 has two recesses 71 of such a kind that an asymmetry is obtained with respect to the direction of movement. The child car seat 50 has on its underside 67 two protruding members 72 which, if oriented appropriately, can be positioned in the corresponding recess 71 when the child car seat 50 is secured to the base 60. The protruding member 72 can be moved so as to that in the first position it allows the installation of the child car seat 50 on the base 60 in the forward direction and in the second position it allows the installation of the child car seat 50 on the base 60 in the rearward direction. The translation may preferably be translational (alternatively or additionally rotational, for example by tipping, such as a tumbler). The translation of the (corresponding) protruding element 72 can be adjusted either directly by (complete) disconnection/dismantling, or by (at least partial) installation of the holding element; or the control may occur indirectly through a (closed or open) mechanism such as a button or switch or slider. A suitable option for adjusting the (corresponding) protruding element 72 may be a linkage system.

Interaction with the one shown in FIG. 1-3, the solution could be, for example, such that by changing the orientation or configuration (at least) one of the guide rollers 13 is moved or can be moved, so that the flexible cables have to travel a shorter distance and both sides of the holding element can be disconnected simultaneously.

Alternatively, in the corresponding examples, mutual replacement of the pin and the groove or the recess and the projection element is permissible if necessary. Alternatively or additionally, it is conceivable that, instead of a protruding element, a recess (recess) has the possibility of movement.

In fig. 17-20 show an extremely schematic and fragmentary view of a child car seat comprising a main body 51 as well as a retaining element 52, wherein the retaining element 52 has (at least) one fastening strap 53 with two seat belt tabs 54 that interact (each with) one a seat belt buckle 55 on the main body 51. First of all, between both seat belt buckles 55 there is located a connecting device 74 or a clamp (specifically designed as a rod) which can occupy two positions. In the first position, one (in Fig. 17 left) tongue 54 of the seat belt is in functional connection (interaction, primarily engagement) with the associated buckle 55 of the seat belt. In the second position, the other seat belt tongue 54 (in FIG. 17, the right seat belt tongue) is in functional connection (interaction, primarily engagement) with the corresponding seat belt buckle 55. The seat belt tongues 54 may suitably have a recess (window). Repositioning the connecting device 74 (clamp) from the first position to the second (or vice versa) is possible (only) when both seat belt tongues 54 interact with the corresponding seat belt buckles 55. For repositioning, the child car seat has a (manually controlled) mechanism, such as a switch or a button or a slider, whereby a rotary switch may be provided (as in FIG. 17).

In addition, each seat belt buckle 55 may have a release mechanism by which the seat belt tongue 54 and the seat belt buckle 55 can be released from each other. The release mechanism may be a push button (or other manually operated device), which may be painted red if necessary. To prevent the user from misunderstanding the red signal color of the locked side as a requirement for disconnection (although disconnection can still be prevented if necessary), a housing may be provided for the locked side release mechanism, which housing may be installed (manually) or automatically by manipulating the rotary switch. In the case of an automatic hood, the opening mechanism (opening button or push button) on the opposite side can, if necessary, simultaneously become accessible again (if necessary, also automatically).

In fig. 19 and 20 also further show that each seat belt buckle 55 has a locking device 75 (a locking element) that utilizes the penetration of the corresponding end of the connecting device 74 into the receiving cavity of the seat belt buckle 55 (to engage with the recess/window of the seat belt tongue 54), so that no seat belt tongue 54 is located in the seat belt buckle 55. This locking device 75 can optionally be retracted by penetration of the seat belt tongue 54 into the receptacle of the seat belt buckle 55 (eg, moved or deployed), so that the path for the end of the connecting device 74 is clear. The locking device 75 may be elastically spring-loaded and/or return to a locked position when the seat belt tongue 54 is removed from the seat belt buckle 55.

It should be noted here that all the parts described above, taken individually and in any combination, especially those depicted in the drawings, are claimed as essential features of the invention. The changes made to them are understandable to a specialist.

List of reference designations:

10 mechanism 10 assembled

11 first flexible cable

12 second flexible cable

13 guide roller

50 child car seat

51 main building

52 holding element

53 fastening belt

54 seat belt tongue

55 seat belt buckle

56 transverse section

57 first side section

58 second side section

59 headrest

60 base

61 backrest

62 groove

63 straight section

64 straight section

65 connecting section

66 pin

67 bottom side

68 top side

69 groove

70 pin

71 notches

72 protruding element

74 connecting device

75 locking device

100 first side

101 first fixing device

102 first locking device

110 first pin

111 first fixing element

112 first beveled surface

113 first actuator

114 first spring

120 first blocking agent

121 third beveled surface

122 third spring

130 first response structure

200 second side

201 second fixing device

202 second locking device

210 second pin

211 second fixing element

212 second beveled surface

213 second actuator

214 second spring

220 second blocking agent

221 fourth beveled surface

230 second response structure

Claims (36)

1. A child car seat (50) for installation on the seat of a motor vehicle, including a retaining element (52), and its removal from the main body (51) is prevented in at least a first configuration and/or at least in the first operational state of the child car seat (50), and/or its partial or at least its complete installation on the main body (51) is prevented in at least a second configuration and/or at least in a second operational state of the child car seat (50), and/or wherein the possibilities of configuring and/or installing a child car seat (50) depend on the fastening state of the retaining element (52), wherein a permanent connecting device, in particular a tape or belt, is provided between the holding element (52) and the main body (51). 2. A child car seat (50) according to claim 1, characterized in that removal of the retaining element from the main body is prevented in all configurations and/or operational states. 3. A child car seat (50) according to one of the preceding claims, characterized in that the first and/or second configuration includes: - the orientation of the child car seat (50) in relation to the base (60), and/or - adjustment, primarily adjustment of the angle of inclination, of the backrest (61) of the child car seat (50), and/or - adjustment, primarily adjustment in angle and/or height, of the headrest (59) of the child car seat (50), and/or - adjustment, especially height adjustment, of the side walls of the child car seat (50). 4. A child car seat (50) according to one of the preceding claims, characterized in that the first and/or second operational state includes/include: - condition with or without a child in a child car seat (50), and/or - the state in which the rear side and/or underside of the child car seat (50) is accessible or inaccessible, and/or - a state in which the child car seat (50) is located on the base (60) or not on the base (60), and/or - a state in which the child car seat (50) is located on the vehicle seat or not on the vehicle seat. 5. A child car seat (50) according to one of the previous paragraphs, characterized in that the holding element (52) is designed to be connected to the main body (51) in several places of the main body (51) and is designed to be detachable from the main body (51 ) at each of several places, wherein the holding element (52) is made with the possibility of simultaneous release, preferably not at all of several places and/or wherein at each of several places a locking device (101, 201) is provided, first of all containing, respectively, a locking device (102, 202), for example containing a stopper, and/or an actuating device (113, 213), for example a control button and/or a control slider , to secure the installation of the retaining element (52) in the appropriate place, wherein the locking devices (101, 201), especially their locking devices (102, 202) and/or actuating devices (113, 213), of at least two of several places are preferably in functional connection with each other, for example mechanically and/or electrically/electronically, in particular so that release of the first of at least two locking devices (101, 201) is only possible if the second of at least two locking devices (101, 201) is in the locked state . 6. A child car seat (50) according to one of the preceding paragraphs, characterized in that the one-piece connecting device is designed so that in the operating state of the holding element (52) it does not absorb at least significant forces or does not have the function of holding the child, or has at least one or exclusively one holding function for preventing slipping under the holding element. 7. A child car seat (50) according to one of the preceding paragraphs, characterized in that an actuator is provided to allow, first of all, complete disengagement of the retaining element (52), and the actuator, preferably, in the mounted state of the child car seat is inaccessible or is located on the back side and/or the bottom side of the child car seat (50), and/or wherein, when the actuator allows the disengagement of the holding element (52) and the child car seat is not installed and/or the child is not sitting in the child car seat, then the installation of the child car seat or the placement of the child in the child car seat is prevented, and/or wherein the actuator only allows, in particular complete, release of the holding element (52) when the child car seat (50), in particular its headrest (59) and/or side walls, is/are adjusted to height within a predetermined height range. 8. A child car seat (50) according to one of the previous paragraphs, characterized in that the possibility of, first of all, complete disconnection of the retaining element (52) and/or the possibility of, first of all, complete installation of the retaining element (52) is associated with adjustment to the height of the child car seats (50), in particular with adjustment of the headrest and/or side walls, wherein the retaining element (52) is preferably removable only when a predetermined minimum height has been adjusted. 9. Child car seat (50) according to one of the previous paragraphs, characterized in that the possibility of adjusting the child car seat (50) according to height, primarily the adjustment of the headrest and/or side walls, is associated with the fastening state of the retaining element (52), primarily height which is equal to or greater than a predetermined minimum height is only adjustable when the holding element (52) is at least partially, especially completely, disengaged, and/or adjustment of a height that is equal to or less than a predetermined minimum height is possible only when the holding element (52) is at least partially secured. 10. A child car seat (50) according to one of the preceding claims, characterized in that the orientation of the child car seat in relation to the base (59) is variable, and the retaining element (52) is preferably not in every possible orientation, more preferably in no orientation forward, nor backward orientation, is detachable, and/or wherein the possibilities of adjustment or change of orientation depend on the fastening state of the holding element (52), wherein the child car seat (50) is designed to be completely detachable from the base, wherein the holding element (52) is preferably detachable only with the child car seat (50) removed from the base, and/or the child car seat (50) with the holding element (52) mounted ) is not able to be mounted on the base in the rearward direction, and/or the child car seat (50) with the retaining element (52) not mounted is not able to be mounted on the base in the forward direction. 11. A child restraint system comprising a child car seat (50) according to one of the preceding paragraphs, as well as a base. 12. A motor vehicle with a child car seat (50) according to one of paragraphs. 1-10 or with the system according to clause 11. 13. Method of installation of the child car seat retaining element, wherein a child car seat is prepared according to one of claims. 1-10, or the system according to claim 11, or the motor vehicle according to claim 12, wherein the holding element (52) is mounted at least partially, especially on at least one side. 14. Method of operating a child car seat according to one of paragraphs. 1-10 or systems according to paragraph 11, or a motor vehicle according to paragraph 12, wherein the child car seat (50) is installed on the seat of the vehicle, primarily in such a way that the actuator is not used to permit the release of the retaining element (52), preferably is inaccessible and/or wherein the child is positioned in a child car seat or the child is positioned in a child car seat, primarily in such a way that the actuator is not used to permit the release of the retaining element (52), preferably is not accessible.

Images