DEVICE FOR ADJUSTING THE HEIGHT OF A SAFETY STRAP

Abstract

Device for adjusting the height of a safety belt, the device comprising: a sliding rail (100) which is provided vertically on one side of a seat backrest (10); a sliding element (200) with a belt ring (210) for suspending a shoulder strap (B), wherein the sliding element (200) engages with the slide rail (100) and is configured to slide vertically along the slide rail (100), the belt ring (210) being positioned on an upper section of the seat back (10) in a state in which the sliding element (200) is positioned on an upper end section of the slide rail (100); and a folding rail (110) which is provided to extend from the upper end section of the sliding rail (100) and is configured to fold behind the seat back (10) about a hinge axis (H) which is arranged at a lower end section of the folding rail (110).

Description

BACKGROUND OF THE PRESENT DISCLOSURE Area of ​​the present disclosure

[0001] The present disclosure relates to a device for adjusting the height of a safety belt, which makes it possible to adjust the height of a three-point safety belt according to the body shape of a child occupant, thereby ensuring the safety of a child occupant as well as that of an adult occupant. Description of the state of the art

[0002] School vehicles that transport children must be fitted with a safety belt that can be adjusted to fit the body shape of children.

[0003] However, most school vehicles currently use a two-point safety belt, which increases the risk of injury in the event of an accident.

[0004] For this reason, the use of an existing three-point safety belt is being developed, and representative examples of this may include a safety belt with a clip and a safety belt for a booster seat.

[0005] With a clip-on seat belt, a clip is attached to a section of the existing three-point seat belt where a shoulder strap is usually attached. Accordingly, the clip lowers the height of the section where the shoulder strap is attached, and the resulting seat belt can be adjusted to the body shape of children.

[0006] The use of the clip makes the safety belt suitable for both adults and children; however, there is no fixed standard for the clip's fastening strength, so the safety of a child occupant cannot be guaranteed in the event of an accident.

[0007] With a booster seat belt, a seat cushion is folded up during use, making it suitable for a small occupant. This has the advantage of being easy to use.

[0008] In a seating arrangement where a middle seat is positioned between the left and right seats, the booster seat belt can be used for the left and right seats, but it cannot easily be fitted to the middle seat. Furthermore, it is difficult to adjust the booster seat belt to the occupant's body shape in multiple stages.

[0009] The information contained in this section concerning the background of the present disclosure is provided solely for a better understanding of the general background of the present disclosure and cannot be construed as an affirmation or any form of suggestion that this information constitutes the prior art already known to a person skilled in the art.For example, US Patent 5,971,490 A, which describes a vehicle seat and seat belt assembly in which the seat belt assembly is attached directly to the vehicle seat to prevent changes in the seat belt position during seat adjustment, is known from the prior art. The vehicle seat and seat belt assembly comprises a first rail, a second rail, a platform movable relative to the first and second rails, a belt guide, a seat belt retractor, a seat belt, a first locking element, and a second locking element. Furthermore, US Patent 2007 / 0075539 A1 describes a shoulder belt height adjustment for a seat belt or seat belt that is typically attached to a vehicle pillar in a three-point seat belt system. BRIEF SUMMARY

[0010] Several aspects of the present disclosure are aimed at providing a device for adjusting the height of a safety belt, which makes it possible to adjust the height of a three-point safety belt according to the body shape of a child occupant, thereby ensuring the safety of a child occupant as well as that of an adult occupant.

[0011] Another aspect of the present disclosure is to provide a device for adjusting the height of a seat belt, which can adjust the height of a seat belt for multifunctional seats (e.g. removable seats, swivel seats and long sliding seats) of autonomous vehicles.

[0012] According to one aspect of the present disclosure, a device for adjusting the height of a seat belt is provided, wherein the device comprises a slide rail provided vertically on one side of a seat back, and a slide element with a belt ring for suspending a shoulder belt, the slide element engaging with the slide rail and configured to slide vertically along the slide rail, the belt ring being positioned on an upper section of the seat back in a state in which the slide element is positioned on an upper end section of the slide rail. The device further comprises a folding rail provided to extend from the upper end section of the slide rail and configured to fold behind the seat back about a hinge axis located on a lower end section of the folding rail.

[0013] The belt ring can be coupled to an upper end section of the sliding element, and the upper end section of the sliding element can slide into a position that is higher than the upper end section of the sliding rail.

[0014] The device may further include a cover that covers the upper end section of the slide rail and is configured to slide vertically, and the cover may be supported by the sliding element to slide vertically together in a predetermined common sliding section that includes a topmost position of the sliding element.

[0015] The device may further include a downward stop provided on a seat back frame to which the slide rail is attached, and the cover may be captured by the downward stop during its downward movement along the common sliding section, so that the downward movement of the cover is stopped by the downward stop.

[0016] The device may further include an upward stop provided on a seat back frame to which the slide rail is attached, and the cover may be captured by the upward stop during its upward movement along the common sliding section, so that the upward movement of the cover is stopped by the upward stop.

[0017] The device may further include a spring configured to continuously exert an elastic force in a direction in which the cover moves downwards.

[0018] The sliding element can be folded backwards together with the folding rail in a state where the sliding element is positioned on the folding rail.

[0019] The device may further include a cover that covers the upper end section of the sliding rail and the folding rail and is configured to rotate behind the seat back about the hinge axis, and the cover can be folded back together with the sliding element and the folding rail in a state in which the sliding element is positioned on the folding rail.

[0020] The sliding rail may have a front open area, and a cover may be attached to an upper section and a lower section of the sliding element to completely cover the front open area of ​​the sliding rail.

[0021] A guide roller can be transversely connected within the cover, the cover can include a top cover attached to the upper end section of the sliding element, and the top cover can extend and retract in response to the sliding of the sliding element between a ceiling surface of the cover and the guide roller to selectively cover the open area above the sliding element.

[0022] The aperture can comprise a first lower aperture coupled to a lower end section of the sliding element and a second lower aperture provided below the first lower aperture, and the first and second lower apertures can move in response to the sliding of the sliding element to cover the open area below the sliding element in a state where the first lower aperture overlaps a front surface of the second lower aperture.

[0023] A plurality of first locking mechanisms can be arranged along the slide rail, and a second locking mechanism can be formed on the sliding element such that it engages with a corresponding one of the first locking mechanisms to hold the sliding element in a fixed vertical position.

[0024] According to an exemplary embodiment of the present disclosure, a device for adjusting the height of a safety belt has the effect of safely protecting an occupant regardless of the occupant's body shape by adjusting the height of a safety belt in a simplified manner to be suitable for the occupant's body shape.

[0025] Furthermore, the device for adjusting the height of a seat belt can be used not only for existing vehicle seats, but also for multifunctional seats in autonomous vehicles, since the device is located on the side of a seat back instead of on the vehicle body.

[0026] According to a further aspect of the present disclosure, a device for adjusting the height of a seat belt is provided, wherein the device comprises a slide rail provided vertically on one side of a seat back, and a slide element with a belt ring for suspending a shoulder belt, wherein the slide element engages with the slide rail and is configured to slide vertically along the slide rail, the belt ring being positioned on an upper section of the seat back in a state in which the slide element is positioned on an upper end section of the slide rail. The belt ring is coupled to an upper end section of the slide element, and the upper end section of the slide element slides into a position that is higher than the upper end section of the slide rail.The device further comprises a cover that covers the upper end section of the slide rail and is configured to slide vertically, and the cover is supported by the sliding element to slide vertically together in a predetermined common sliding section that includes a topmost position of the sliding element.

[0027] The methods and devices of the present disclosure have other features and advantages which are evident from the accompanying drawings included herein and the following detailed description, which together serve to explain certain basic ideas of the present disclosure, or which are set forth in detail below. BRIEF DESCRIPTION OF THE DRAWINGS Fig. Figure 1 is a view illustrating by way of example a condition in which a device for adjusting the height of a safety belt according to an exemplary embodiment of the present disclosure is provided on a seat; Fig. 2A and Fig. 2B are views illustrating the coupling and operational relationship between a sliding element and a sliding rail according to various exemplary embodiments of the present disclosure; Fig. 3A, Fig. 3B and Fig. Figure 4 are views illustrating by way of example the vertical sliding operating state of a cover according to the various exemplary embodiments of the present disclosure; Fig. 5 is a view showing the shape of the back surface of the in Fig. 3 illustrated cover examples; Fig. 6 is a view that exemplifies a configuration for limiting the sliding section of the in Fig. 3 illustrated cover illustrated; Fig. 7A, Fig. 7B and Fig. Figure 7C are views illustrating the coupling and operational relationship between the sliding element, the sliding rail and a hinged rail according to various exemplary embodiments of the present disclosure; Fig. Figure 8 is a view that schematically illustrates a folding process of the folding rail according to the various exemplary embodiments of the present disclosure; and Fig. 9A, Fig. 9B and Fig. 9C are views that relate the coupling of the coverage in relation to the configuration of Fig. 7A, Fig. 7B and Fig. 7C illustrates this with an example.

[0028] It is understood that the accompanying drawings are not necessarily to scale and represent a somewhat simplified depiction of various features that illustrate the basic ideas of the present invention. The specific design features of the present disclosure, as contained herein, including, for example, specific dimensions, orientations, positions, and shapes, are partly determined by the intended application and the environment of use.

[0029] In the figures, the reference signs refer to identical or equivalent parts of the present revelation in all of the several figures of the drawing. DETAILED DESCRIPTION

[0030] Reference will now be made in detail to various embodiments of the present disclosure(s), examples of which are illustrated in the accompanying drawings and described below. While the present disclosure(s) is / are described in connection with exemplary embodiments of the present disclosure, it should be understood that the present description is not intended to limit the present disclosure(s) to these exemplary embodiments. On the contrary, the present disclosure is / are intended to cover not only the exemplary embodiments but also various alternatives, modifications, equivalents, and other embodiments that may be contained within the spirit and scope of the present disclosure as defined in the appended claims.

[0031] Exemplary embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0032] Fig. Figure 1 is a view illustrating by way of example a condition in which a device for adjusting the height of a safety belt according to an exemplary embodiment of the present disclosure is provided on a seat, and Fig. 2A and Fig. Figure 2B shows views illustrating the coupling and operating relationship between a sliding element 200 and a sliding rail 100 according to various exemplary embodiments of the present disclosure.

[0033] With reference to the drawings, the device for adjusting the height of a safety belt of the present disclosure comprises: a slide rail 100 provided vertically on the side of a seat back 10; and a sliding element 200 comprising a belt ring 210 for suspending a shoulder strap B, and configured to slide vertically along the slide rail 100, the belt ring 210 being positioned on the upper section of the seat back 10 in a state in which the sliding element 200 is positioned on the upper end section of the slide rail 100.

[0034] For example, an anchoring area in which the belt ring 210 is mounted is determined on the side of the seat back 10 based on the body shape of an adult occupant, and the position in which the belt ring 210 available for a child occupant is mounted must be determined lower than the anchoring area.

[0035] In light of this, the vertical length of the slide rail 100 is determined to accommodate not only the anchorage area based on the body shape of an adult occupant, but also the mounting position of the belt ring for a child occupant, and the slide rail 100 is configured to be provided for all seats. In the case of a seating arrangement where a middle seat is positioned between the left and right seats, as shown in the drawing, the slide rail 100 can be located on the outside of the seat backrest 10 for both the left and right seats, and can be located on either the left or right side of the seat backrest 10 for the middle seat.

[0036] The sliding rail 100 described above is vertically coupled to a frame 12 of the seat back 10, which defines the structural shape of the seat back 10, and the sliding element 200 is provided to be vertically displaceable on the front surface of the sliding rail 100.

[0037] Accordingly, the belt ring 210 is coupled to the front end section of the sliding element 200, so that the shoulder strap B is hooked into the belt ring 210.

[0038] When the sliding element 200 slides to the upper end section of the slide rail 100, the belt ring 210 is positioned higher than the upper end section of the slide rail 100.

[0039] This means that the height of the belt ring 210 is lowered when the sliding element 200 is positioned on the lower section of the sliding rail 100, so that the shoulder strap B is attached in a position lower than the anchorage area, based on the body shape of an adult occupant. Accordingly, the height of a three-point safety belt can be adjusted to suit the body shape of a child occupant, thus ensuring the child's safety.

[0040] On the other hand, the height of the belt ring 210 is increased in a state where the sliding element 200 is positioned at the upper end section of the sliding rail 100, so that the shoulder strap B is hooked in the anchoring area based on the body shape of an adult occupant. This can ensure that an adult occupant fastens a seat belt securely.

[0041] In modern times, according to an exemplary embodiment of the present disclosure, the height of a safety belt can be adjusted in a simplified manner to suit the body shape of an occupant, thus providing safe protection for an occupant regardless of the occupant's body shape.

[0042] Since the device for adjusting the height of a seat belt is provided on the side of the seat back 10 instead of the vehicle body, the device can also be used not only for existing vehicle seats, but also for multifunctional seats (e.g. removable, swiveling and long sliding seats) of autonomous vehicles.

[0043] With reference to Fig. 2B the belt ring 210 is coupled to the upper end section of the sliding element 200, and the sliding element 200 slides into a position in which the upper end section of the sliding element 200 is positioned higher than the upper end section of the sliding rail 100.

[0044] The belt ring 210 is coupled to the upper end section of the sliding element 200, so that the belt ring 210 has a height that is higher than the upper end section of the sliding rail 100 when the sliding element 200 slides to the upper end section of the sliding rail 100.

[0045] Accordingly, the height of the belt ring 210 for attaching the shoulder belt B is increased to allow the safety belt to be raised and thus be available for an adult occupant. For a child occupant, the sliding element 200 is moved downwards from the upper end section of the sliding rail 100 to reduce the height of the device protruding from the upper section of the seat back 10 by the height of the sliding element 200, thus ensuring that the device hardly obstructs the driver's rearward view.

[0046] Fig. 3A, Fig. 3B and Fig. Figure 4 are views that exemplify the vertical sliding operating state of a cover 300 according to the various exemplary embodiments of the present disclosure, and Fig. Figure 5 is a view that exemplifies the shape of the back surface of the cover 300, which is in Fig. Figure 3 illustrates this.

[0047] Referring to the drawings, the device comprises the cover 300, which has a shape that covers the upper end section of the slide rail 100 and is configured to slide vertically.

[0048] The cover 300 is supported by the sliding element 200 to slide vertically in a predetermined common sliding section IS, which includes the uppermost position of the sliding element 200.

[0049] This means that the upper end section of the sliding rail 100 is closed by the cover 300, so that it is not exposed outside the seat back 10.

[0050] A cover rail 18 is provided vertically between the slide rail 100 and the seat back frame 12, and a pair of cover guides 320 are formed on both sides of the rear surface of the cover 300 and are guided along both sides of the cover rail 18 to guide the cover 300 so that it slides vertically along the cover rail 18.

[0051] As the sliding element 200 moves upwards from the lower end section of the slide rail 100, it initially moves independently. When, at a certain height along the slide rail 100, the sliding element 200 comes into contact with the cover 300 during its upward movement, it pushes the cover 300 upwards, causing both the sliding element 200 and the cover 300 to move upwards together towards the upper end section of the slide rail 100.

[0052] When the sliding element 200 moves downwards from the upper end section of the slide rail 100, the sliding element 200 and the cover 300 move downwards together, and when the cover 300 stops at a certain height during a downward movement process, the sliding element 200 moves downwards alone to the lower end section of the slide rail 100.

[0053] This means that the sliding element 200 and the cover 300 move together in the common sliding section IS, which is fixed to the upper section of the slide rail 100, while the sliding element 200 moves alone in a section below the common sliding section IS.

[0054] Fig. 6 is a view that exemplifies a configuration for limiting the in Fig. 3 illustrated sliding section of cover 300.

[0055] With reference to Fig. 5 and Fig. 6 The device comprises a downward stopper 14, which is provided on the seat back frame 12 to which the slide rail 100 is attached, and the cover 300 is captured by the downward stopper 14 during its downward movement along the common sliding section IS, so that the downward movement of the cover 300 can be stopped by the downward stopper 14.

[0056] Furthermore, the device includes an upward stopper 16, which is provided on the seat back frame 12 to which the slide rail 100 is attached, and the cover 300 is captured by the upward stopper 16 during its upward movement along the common sliding section IS, so that the upward movement of the cover 300 can be stopped by the upward stopper 16.

[0057] Since the lower end section of the cover 300 is captured by the upper surface of the downward stop 14 and a projection 302, which is formed on the inner surface of the cover 300 at a position below the upper stop 16, is captured by the lower surface of the upward stop 16, the cover 300 can accordingly move between the downward stop 14 and the upward stop 16, and this prevents excessive downward movement or upward separation of the cover 300.

[0058] As in Fig. As illustrated in Figure 5, the device of the present disclosure further comprises a spring 400 which continuously exerts an elastic force in the direction in which the cover 300 moves downwards.

[0059] For example, the spring 400 can be a tension spring in the form of a coil and can have an upper end section held by the cover 300 and a lower end section held by the seat back frame 12.

[0060] Thus, when the sliding element 200 moves downwards from the upper end section of the slide rail, the cover 300 is pulled downwards by the force of the tension spring and thereby moved downwards in the common sliding section IS.

[0061] Fig. 7A, Fig. 7B and Fig. Figure 7C shows views illustrating the coupling and operational relationship between the sliding element 200, the sliding rail 100 and a hinged rail 110 according to various exemplary embodiments of the present disclosure, and Fig. Figure 8 is a view that schematically illustrates a folding process of the folding rail according to the various exemplary embodiments of the present disclosure.

[0062] With reference to the drawings, the device comprises the folding rail 110, which is provided to extend from the upper end section of the sliding rail 100 and is configured to fold behind the seat back 10 about a hinge axis H at the lower end section thereof.

[0063] This means that the folding rail 110 is folded backwards when the sliding element 200 is positioned on the lower section of the sliding rail 100.

[0064] This prevents the folding rail 110 from extending beyond the seat back 10 in a state where the height of a safety belt is adjusted to suit the body shape of a child occupant, thus ensuring the driver's rearward view.

[0065] As in Fig. 7B and Fig. As shown in Figure 7C, the sliding element 200 is also folded backwards together with the folding rail 110 in a state in which the sliding element 200 is positioned on the folding rail 110.

[0066] The sliding element 200 moves upwards along the sliding rail 100 and the folding rail 110 in a state in which the folding rail 110 is unfolded upright, so that the sliding element 200 is positioned on the folding rail 110.

[0067] When the folding rail 110 is folded backwards in the present state, the sliding element 200 positioned on the folding rail 110 is folded backwards together with the folding rail 110, and the belt ring 210 provided on the sliding element 200 is directed upwards.

[0068] Accordingly, the folding rail 110 does not extend beyond the seat back 10, even when the height of a safety belt is adjusted to suit the body shape of an adult occupant, thus ensuring the driver's rearward view.

[0069] Fig. 9A, Fig. 9B and Fig. 9C are views that relate to the coupling of the cover 300 in terms of the configuration of the Fig. 7A, Fig. 7B and Fig. 7C illustrates this with an example.

[0070] Referring to the drawings, the device can include the cover 300, which has a shape that covers the upper end section of the sliding rail 100 and the folding rail 110 and is configured to rotate behind the seat back 10 about the hinge axis H.

[0071] The cover 300 is configured to fold backwards together with the sliding element 200 and the folding rail 110 in a state in which the sliding element 200 is positioned on the folding rail 110.

[0072] Accordingly, the cover 300 closes the upper end section of the sliding rail 100 and the folding rail 110 to prevent them from being exposed to the outside by the seat back 10.

[0073] The cover 300 is coupled to the folding rail 110 so that, in response to the folding of the folding rail 110, it can be folded in together with the folding rail 110.

[0074] This means that when the sliding element 200 moves upwards from the lower end section of the sliding rail 100 and is positioned on the folding rail 110, the sliding element 200 is rotated backwards.

[0075] Accordingly, the sliding element 200 and the folding rail 110 are folded backwards, so that the cover 300 coupled to the folding rail 110 is also turned backwards and the belt ring 210 provided on the sliding element 200 is directed upwards.

[0076] Accordingly, the amount by which the cover 300 protrudes from the upper section of the seat back 10 is minimized in a state in which the height of a safety belt is adjusted to be suitable for the body shape of an adult occupant, thus ensuring the driver's rearward view.

[0077] It is understood that the folding rail 110 can also be folded backwards when the sliding element 200 is positioned on the lower section of the sliding rail 100.

[0078] Accordingly, the amount by which the cover 300 protrudes from the upper section of the seat back 10 is minimized in a state in which the height of a safety belt is adjusted to be suitable for the body shape of a child occupant, thus ensuring the driver's rearward view.

[0079] Furthermore, in both the configuration of the first and the configuration of the second exemplary embodiment of the present disclosure, the slide rail 100 has a front open area, and a cover 500 is attached to the upper section and the lower section of the sliding element 200 to completely cover the front open area of ​​the slide rail 100.

[0080] This means that the aperture 500 is attached to the sliding element 200 and configured to move together with the sliding element 200. Accordingly, the aperture 500 prevents the sliding rail 100 and the hinged rail 110, located above and below the sliding element 200, from being exposed to the outside.

[0081] The aperture 500 can be divided into an upper aperture 510 and a lower aperture 520, and the upper aperture 510 prevents the open area above the sliding element 200 from being exposed to the outside.

[0082] With reference to Fig. 3A to 4, a guide roller 310 is transversely connected within the cover 300, and the upper cover 510 is attached to the upper end section of the sliding element 200. In response to the sliding of the sliding element 200, the upper cover 510 extends between the top surface of the cover 300 and the guide roller 310 and retracts to selectively cover the open area above the sliding element 200.

[0083] For example, a plurality of guide rollers 310 can be provided at the front and rear positions of the cover 300 to guide the upper panel 510 stably.

[0084] Accordingly, when the sliding element 200 slides upwards, the upper cover 510 is guided between the cover 300 and the guide roller 310 in order to retract into the cover 300.

[0085] When the sliding element 200 slides downwards, the upper cover 510 is guided between the cover 300 and the guide roller 310, so that it moves out of the cover 300 and prevents the rail section located above the sliding element 200 from being exposed to the outside.

[0086] Similarly, the lower baffle prevents the open area below the sliding element 200 from being exposed to the outside.

[0087] A first lower aperture 520a is coupled to the lower end section of the sliding element 200, and a second lower aperture 520b is provided below the first lower aperture 520a. Both the first and the second lower aperture 520a and 520b move together in response to the sliding of the sliding element 200 to cover the open area below the sliding element 200 in a state where the first lower aperture 520a overlaps the front surface of the second lower aperture 520b.

[0088] For example, the lower aperture includes the first lower aperture 520a and the second lower aperture 520b, and the second lower aperture 520b moves vertically at the front end section of the first lower aperture 520a.

[0089] For this purpose, the first lower panel 520a can be attached to the seat back frame 12, and the second lower panel 520b can be coupled to the sliding element 200 and be vertically displaceable with respect to the first lower panel 520a.

[0090] When the sliding element 200 slides upwards, the second lower aperture 520b moves upwards accordingly, while being guided by the first lower aperture 520a, thus covering the open area below the sliding element 200.

[0091] When the sliding element 200 slides downwards, the second lower aperture 520b moves downwards, guided by the first lower aperture 520a, thus covering the open area below the sliding element 200.

[0092] Accordingly, the lower cover prevents the section of rail located below the sliding element 200 from being exposed to the outside.

[0093] With reference to 6, according to an exemplary embodiment of the present disclosure, several first locking devices 100a are arranged along the slide rail 100, and a second locking device 200a is formed on the sliding element 200 such that it engages with a corresponding one of the first locking devices 100a to hold the sliding element 200 in a fixed vertical position.

[0094] For example, the first locking mechanism 100a may have the form of a hole, and the second locking mechanism 200a may have the form of a protrusion that is to be fitted into the hole.

[0095] When the second locking mechanism 200a, which is formed on the sliding element 200, is fitted into the first locking mechanism 100a, which is formed in the slide rail 100, during a process in which the sliding element 200 slides vertically along the slide rail 100, the sliding element 200 is fixed in the corresponding position.

[0096] This makes it possible to adjust the position of shoulder strap B in several stages, and the resulting safety belt can be adjusted in height to suit the body shape of an occupant, and can therefore be fitted easily, comfortably and safely regardless of the body shape of an occupant.

[0097] The following describes the operating relationship of the device for adjusting the height of a safety belt according to an exemplary embodiment of the present disclosure and its effects and properties.

[0098] Taking into account the structure of the various exemplary embodiments as an example, the sliding element 200 must first move downwards in the state shown in 3A when used for a child occupant.

[0099] As in Fig. As illustrated in Figure 3B, the sliding element 200 thus moves downwards along the slide rail 100, and simultaneously with the movement of the sliding element 200, the cover 300 also moves downwards due to the force of the spring 400.

[0100] In a process where the sliding element 200 and the cover 300 move downwards together, as described above, the cover 300 stops at the time when the cover 300 is caught by the downward stopper 14, but the sliding element 200 continues to move downwards.

[0101] Accordingly, the sliding element 200 is fixed at a height suitable for the body shape of a child occupant by the engagement of the first locking mechanism 100a and the second locking mechanism 200a.

[0102] Accordingly, the height of shoulder strap B is lowered to suit the body shape of a child occupant, and consequently, the height of a three-point safety belt is adjusted according to the body shape of a child occupant to safely protect a child occupant.

[0103] Furthermore, when used for an adult occupant, the sliding element 200 must be in a state in which the sliding element 200 is positioned as in Fig. Shown in 3B, move upwards.

[0104] Thus, the sliding element 200 moves upwards along the slide rail 100, as shown in Fig. 3A is shown.

[0105] In the present process, the sliding element 200 pushes the cover 300 upwards when it comes into contact with the cover 300, so that the sliding element 200 and the cover 300 move upwards together.

[0106] Accordingly, the sliding element 200 is fixed at a height suitable for the body shape of an adult occupant, for example at the upper end section of the sliding rail 100, by the engagement of the first locking mechanism 100a and the second locking mechanism 200a.

[0107] Accordingly, the height of shoulder strap B is raised to be suitable for the body shape of an adult occupant, and consequently the height of a three-point safety belt is adjusted according to the body shape of an adult occupant in order to safely protect not only a child occupant but also an adult occupant.

[0108] Taking into account the structure of the various exemplary embodiments, the cover 300, which is folded back as shown in the Fig. 7C and Fig. Figure 9C illustrates, turned forward and upright, when used for a child occupant.

[0109] Accordingly, as in Fig. 9B shows the sliding element 200 and the folding rail 110 erected together within the cover 300.

[0110] If the sliding element 200 moves downwards in the present state, as shown in Fig. As shown in 9A, the sliding element 200 is separated from the folding rail 110 and moves downwards along the sliding rail 100.

[0111] Accordingly, the sliding element 200 is fixed at a height suitable for the body shape of a child occupant by the engagement of the first locking mechanism 100a and the second locking mechanism 200a.

[0112] Accordingly, the height of shoulder strap B is lowered to suit the body shape of a child occupant, and consequently, the height of a three-point safety belt is adjusted according to the body shape of a child occupant to safely protect a child occupant.

[0113] For comparison, if the cover is 300 in the Fig. In the state shown in 9A, the folding rail 110 is turned backwards together with the cover 300, as shown in Fig. Figure 7A illustrates this. This can reduce the amount by which the cover 300 protrudes from the upper section of the seat backrest 10.

[0114] On the other hand, when used for an adult occupant in a state where the height of shoulder strap B is lowered to suit the body shape of a child occupant, the cover 300, which is folded backwards in the state shown in Fig. 7A illustrates, turned forward and upright.

[0115] Accordingly, the folding rail 110 is erected within the cover 300 together with the cover 300, as shown in Fig. 8 illustrates (it should be noted here that Fig. 7B illustrates a state before the folding rail 110 is erected).

[0116] In the present state, the sliding element 200 is positioned on the folding rail 110 by moving the sliding element 200 upwards along the sliding rail 100 and the folding rail 110.

[0117] Accordingly, the sliding element 200 is fixed at a height suitable for the body shape of an adult occupant, for example on the upper end section of the folding rail 110, by the engagement of the first locking mechanism 100a and the second locking mechanism 200a.

[0118] When the cover 300 is rotated backwards in its current state, the sliding element 200 and the inner folding rail 110 inside the cover 300 are folded backwards together, as shown in Fig. 7C illustrates.

[0119] Accordingly, the height of shoulder strap B is raised to adapt to the body shape of an adult occupant, and consequently the height of a three-point safety belt is adjusted to be suitable for the body shape of an adult occupant in order to safely protect not only a child occupant but also an adult occupant.

[0120] As described above, according to an exemplary embodiment of the present disclosure, it is possible to safely protect an occupant regardless of the occupant's body shape by adjusting the height of a safety belt in a simplified manner so that it is suitable for the occupant's body shape.

[0121] Furthermore, it is possible to use the device not only for existing vehicle seats, but also for multifunctional seats (e.g. removable, rotating and long sliding seats) of autonomous vehicles, since the device is provided on the side of the seat back 10 instead of the vehicle body.

[0122] For the sake of clarity and precise definition in the accompanying claims, the terms "upper", "lower", "inner", "outer", "upwards", "downwards", "upwards", "downwards", "front", "backwards", "rear", "inside", "outside", "inwards", "outwards", "internal", "external", "forwards", and "backwards" are used to describe features of the exemplary embodiments with reference to the positions of such features as shown in the figures. It is further understood that the term "connect" or its derivatives refer to both direct and indirect connections.

[0123] The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for illustrative and descriptive purposes. They are not intended to be exhaustive or to limit the present disclosure to the exact forms disclosed, and obviously many modifications and variations are possible in light of the above teachings. The exemplary embodiments have been chosen and described to explain certain fundamental concepts of the present disclosure and their practical application, in order to enable other persons skilled in the art to produce and utilize various exemplary embodiments of the present disclosure, as well as various alternatives and modifications thereof. The scope of the present disclosure is to be defined by the claims and their equivalents set forth herein.

Claims

[1] Device for adjusting the height of a safety belt, the device comprising: a sliding rail (100) which is provided vertically on one side of a seat backrest (10); a sliding element (200) with a belt ring (210) for suspending a shoulder strap (B), wherein the sliding element (200) engages with the slide rail (100) and is configured to slide vertically along the slide rail (100), the belt ring (210) being positioned on an upper section of the seat back (10) in a state in which the sliding element (200) is positioned on an upper end section of the slide rail (100); and a folding rail (110) which is provided to extend from the upper end section of the sliding rail (100) and is configured to fold behind the seat back (10) about a hinge axis (H) which is arranged at a lower end section of the folding rail (110). [2] Device according to claim 1, wherein the belt ring (210) is coupled to an upper end section of the sliding element (200), and wherein the upper end section of the sliding element (200) is configured to slide into a position that is higher than the upper end section of the sliding rail (100). [3] Device according to claim 2, further comprising: a cover (300) that covers the upper end section of the slide rail (100) and is configured to slide vertically, wherein the cover (300) is supported by the sliding element (200) to slide vertically with the sliding element (200) in a predetermined common sliding section (IS) which includes a topmost position of the sliding element (200). [4] Device according to claim 3, further comprising: a downward stopper (14) provided on a seat back frame (12) to which the slide rail (100) is attached, wherein the cover (300) is captured by the downward stopper (14) during the downward movement of the cover (300) along the common sliding section (IS), so that the downward movement of the cover (300) is stopped by the downward stopper (14). [5] Device according to claim 3, further comprising: an upward stopper (16) provided on a seat back frame (12) to which the slide rail (100) is attached, wherein the cover (300) is captured by the upward stopper (16) during the upward movement of the cover (300) along the common sliding section (IS), so that the upward movement of the cover (300) is stopped by the upward stopper (16). [6] Device according to claim 5, wherein the cover (300) has a projection (302) formed on an inner surface of the cover (300) at a position below the upper stopper (16) in order to be selectively captured by a lower surface of the upward stopper (16). [7] Device according to claim 3, further comprising: a spring (400) configured to continuously exert an elastic force in a direction in which the cover (300) moves downwards. [8] Device according to claim 6, wherein an upper end section of the spring (400) is coupled to the cover (300) and a lower end section of the spring (400) is coupled to a seat back frame (12). [9] Device according to claim 1, wherein the sliding element (200) together with the folding rail (110) can be folded backwards in a state in which the sliding element (200) is positioned on the folding rail (110). [10] Device according to claim 1, further comprising: a cover (300) that covers the upper end section of the sliding rail (100) and the folding rail (110) and is configured to rotate behind the seat back (10) about the hinge axis (H), wherein the cover (300) together with the sliding element (200) and the folding rail (110) is folded backwards in a state in which the sliding element (200) is positioned on the folding rail (110). [11] Device according to claim 3, wherein the slide rail (100) has a front open area, and wherein a cover (500) is attached to an upper section and a lower section of the sliding element (200) to cover the front open area of ​​the slide rail (100). [12] Device according to claim 11, wherein a guide roller (310) is transversely connected within the cover (300), wherein the aperture (500) comprises an upper aperture (510) which is attached to an upper end section of the sliding element (200), and wherein the upper cover (510) extends and retracts between a ceiling surface of the cover (300) and the guide roller (310) in response to the sliding of the sliding element (200) to cover the front open area above the sliding element (200). [13] Device according to claim 11, wherein the aperture (500) comprises a first lower aperture (520a) coupled to a lower end section of the sliding element (200), and a second lower aperture (520b) provided below the first lower aperture (520a), and wherein the first (520a) and the second lower aperture (520b) move in response to the sliding of the sliding element (200) to cover the front open area below the sliding element (200) in a state in which the first lower aperture (520a) overlaps a front surface of the second lower aperture (520b). [14] Device according to claim 1, wherein a plurality of first locking devices (100a) are arranged along the slide rail (100), and wherein a second locking mechanism (200a) on the sliding element (200) is designed to engage with a corresponding first locking mechanism (100a) to hold the sliding element (200) in a fixed vertical position. [15] Device according to claim 10, wherein the slide rail (100) has a front open area, and wherein a cover (500) is attached to an upper section and a lower section of the sliding element (200) to cover the front open area of ​​the slide rail (100). [16] Device for adjusting the height of a safety belt, the device comprising: a sliding rail (100) which is provided vertically on one side of a seat backrest (10); a sliding element (200) with a belt ring (210) for suspending a shoulder strap (B), wherein the sliding element (200) engages with the slide rail (100) and is configured to slide vertically along the slide rail (100), wherein the belt ring (210) is positioned on an upper section of the seat back (10) in a state in which the sliding element (200) is positioned on an upper end section of the slide rail (100), wherein the belt ring (210) is coupled to an upper end section of the sliding element (200), wherein the upper end section of the sliding element (200) is configured to slide into a position that is higher than the upper end section of the sliding rail (100), and wherein the device further comprises: a cover (300) that covers the upper end section of the slide rail (100) and is configured to slide vertically, wherein the cover (300) is supported by the sliding element (200) to slide vertically with the sliding element (200) in a predetermined common sliding section (IS) which includes a topmost position of the sliding element (200).

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