A seat belt mechanism

Abstract

In order to achieve all the purposes mentioned above and that will emerge from the detailed description below, the present invention relates to a seat belt mechanism (10) with ALR and ELR functions for ensuring the safety of passengers of various age groups, comprising at least one reel (30) located in at least one housing (20) and having at least one transmission element (40) capable of rotational movement in connection with said reel (30). Accordingly, its novelty is comprising at least one reducer element (50) in connection with said transmission element (40) to transmit rotational movement, comprising at least one control gear (60) in connection with said reducer element (50), said control gear (60) comprising at least one groove (61), comprising at least one tongue (70) positioned in said groove (61) such that at least one of its ends allows the movement of the control gear (60) while being connected to said housing (20), the control gear (60) comprising at least one guide wall (62), comprising at least one outlet channel (64) allowing said tongue (70) to exit the groove (61) by means of said guide wall (62), the control gear (60) comprising at least one inlet channel (65), comprising at least one first elastic element (71) allowing the tongue (70) to enter the groove (61) through said inlet channel (65), and comprising at least one wheel (80) triggered by at least one arm (73) by means of at least one second elastic element (72).

Description

[0001] A SEAT BELT MECHANISM

[0002] TECHNICAL FIELD

[0003] The invention relates to a seat belt mechanism with ALR and ELR functions for ensuring the safety of passengers of various age groups.

[0004] PRIOR ART

[0005] Seat belt is a safety device used to ensure the safety of the driver and passengers in the vehicle. It helps to control body movements at the moment of an accident, preventing passengers from being thrown around inside the vehicle and avoiding serious injuries.

[0006] There are two different functions in seat belts, which are expressed by the abbreviations ELR and ALR. These refer to the different features of the locking mechanisms of the belts.

[0007] The ELR (Emergency Locking Retractor) is a mechanism that allows the seat belt to be suddenly pulled and stiffened in the event of an accident or a quick stop. This allows the belt to be pulled freely, while allowing it to lock quickly in the event of a sudden stop. In the sudden stop that occurs in the vehicle during the accident, the seat belt is quickly locked, restricting the forward movement of the passenger and driver and ensuring that they remain safely in the vehicle.

[0008] ALR (Automatic Locking Retractor) is another mechanism that allows the seat belt to be fastened, however, unlike the ELR, it does not allow the seat belt to be pulled freely after being pulled to a certain length. While pulling the seat belt, it locks at a certain point, preventing the belt from loosening further. Thus, the seat belt locks the user with a certain tension and helps the user to maintain their sitting position.

[0009] The ECE R16 regulation is a safety standard set by the United Nations Economic Commission for Europe (UNECE) and used in the automotive industry worldwide. This regulation includes requirements for the design, testing, and approval of seat belts in vehicles. According to the regulation, seat belts with ALR or ELR function are used for structures such as universal child seats.

[0010] ALR belts can be short in length, making them uncomfortable and restricting freedom of movement if users sit without using them. The ELR belt, on the other hand, can move in free position. This can cause the child stroller to move in the event of sudden braking and lead to dangerous situations.

[0011] As a result, all the above-mentioned problems have made it imperative to make an innovation in the relevant technical field.

[0012] SUMMARY OF THE INVENTION

[0013] The present invention relates to a seat belt mechanism for eliminating the above- mentioned disadvantages and bringing new advantages to the relevant technical field.

[0014] An object of the invention is to introduce a seat belt mechanism that can perform the functions of ALR and ELR within a single seat belt.

[0015] Another object of the invention is to introduce a seat belt mechanism suitable for all age groups.

[0016] In order to achieve all the purposes mentioned above and that will emerge from the detailed description below, the present invention relates to a seat belt mechanism with ALR and ELR functions for ensuring the safety of passengers of various age groups, comprising at least one reel located in at least one housing and having at least one transmission element capable of rotational movement in connection with said reel. Accordingly, its novelty is comprising at least one reducer element in connection with said transmission element to transmit rotational movement, comprising at least one control gear in connection with said reducer element, said control gear comprising at least one groove, comprising at least one tongue positioned in said groove such that at least one of its ends allows the movement of the control gear while being connected to said housing, the control gear comprising at least one guide wall, comprising at least one outlet channel allowing said tongue to exit the groove by means of said guide wall, the control gear comprising at least one inlet channel, comprising at least one first elastic element allowing the tongue to enter the groove through said inlet channel, and comprising at least one wheel triggered by at least one arm by means of at least one second elastic element.

[0017] A possible embodiment of the invention is characterized in that said reel is essentially a hub shaft. Thus, the strap can be wound around the reel and the reel can rotate.

[0018] A possible embodiment of the invention is characterized in that said transmission element is essentially a pinion. Thus, the rotational movement from the reel can be transmitted to the reducer element.

[0019] A possible embodiment of the invention is characterized in that said reducer element is essentially a gear. Thus, the desired number of turns can be obtained with the control gear reducer element.

[0020] A possible embodiment of the invention is characterized in that said first elastic element is essentially a tension spring. Thus, the tongue can be continuously abutted against the outer wall.

[0021] A possible embodiment of the invention is characterized in that said control gear comprises at least one outer wall. Thus, the tongue can remain in the ALR mode.

[0022] A possible embodiment of the invention is characterized in that said tongue is partly comma-shaped. Thus, the tongue can pass through the inlet and outlet channels.

[0023] BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Fig. 1 shows a representative isometric view of the seat belt mechanism of the invention.

[0025] Fig. 2 shows a representative front view of the seat belt mechanism of the invention.

[0026] Fig. 3 shows a representative zoomed-in isometric view of the seat belt mechanism of the invention. Fig. 4 shows a representative exploded view of the seat belt mechanism of the invention.

[0027] DETAILED DESCRIPTION OF THE INVENTION

[0028] In this detailed description, the seat belt mechanism (10) of the invention is explained by way of example only for a better understanding of the subject, which shall not create any limiting effect.

[0029] Fig. 1 shows a representative isometric view of the seat belt mechanism (10) of the invention. The seat belt mechanism (10) is essentially a seat belt that allows the ALR and ELR functions found in seat belts to be provided in a single seat belt. The seat belt mechanism (10) can switch to the ALR function in situations that require the ALR function, such as a baby seat. Thus, a seat belt mechanism that can meet the ELR and ALR requirements of the ECE R16 regulation can be introduced.

[0030] The seat belt mechanism comprises at least one housing (20). Said body (20) forms the framework of the seat belt mechanism (10). The housing (20) is essentially sheet metal. The seat belt mechanism (10) comprises at least one reel (30) configured partially in the housing (20). The housing (20) comprises at least one cover (21) configured on at least one surface thereof. Said reel (30) is connected to the strap on the seat belts. The reel (30) can rotate as the strap is pulled and released. This allows the passenger to put on the belt, i.e. the strap, which provides safety, and remove it to direct it back into the seat belt mechanism (10).

[0031] Fig. 2 shows a representative front view of the seat belt mechanism (10) of the invention. The seat belt mechanism (10) comprises at least one transmission element (40). Said transmission element (40) is rotatably connected at at least one end with the reel (30). The transmission element (40) receives the rotational movement from the reel (30), which performs a rotational movement with the pulling or release of the belt. The transmission element (40) is essentially a pinion.

[0032] The seat belt mechanism (10) comprises at least one reducer element (50). Said reducer element (50) is configured to be in contact with the transmission element (40). It can convert the rotational movement from the transmission element (40) into the desired number of turns. The reducer element (50) is essentially a gear. The seat belt mechanism comprises at least one control gear (60). Said control gear (60) is connected to at least one cover (21 ). The control gear (60) partly comprises a geared structure in its inner region. In this way, the control gear (60) can be connected with the reducer element (50). The rotational movement transmitted from the reducer element (50) rotates the control gear (60) by means of gears in the control gear (60).

[0033] The seat belt mechanism comprises at least one tongue (70). Said tongue (70) is connected with the cover (21 ). The tongue (70) comprises at least a first elastic element (71). Said first elastic element (71 ) ensures that at least one end of the tongue (70) contacts at least one outer wall (63) located in the control gear (60). Said outer wall (63) is essentially the outward-facing surface of the control gear (60), which is circular in shape. The first elastic element (71 ) is essentially a tension spring. In this way, the tongue (70) exerts a continuous pressure against the outer wall (63) of the control gear (60). In other words, it is the first elastic element (71) keeping the tongue (70) taut. The seat belt mechanism comprises at least a second elastic element (72). Said second elastic element (72) is essentially a tension spring. The winding of the second elastic element (72) is ensured by the tongue (70). The second elastic element (72) drives at least one arm (73) and triggers at least one wheel (80). Thus, the mechanism is locked and the ALR function is activated. In other words, the arm (73) in contact with at least one gear on the wheel (80) prevents the wheel (80) from rotating, thus obtaining the ALR function.

[0034] Fig. 3 shows a representative zoomed-in isometric view of the seat belt mechanism (10) of the invention. The control gear (60) comprises at least one groove (61 ). Said groove (61 ) is essentially a circular channel on the control gear. The groove (61 ) allows circular movement of the control gear (60) when the tongue (70) is in the groove (61 ) to enable the seat belt mechanism (10) to operate in ELR mode. In other words, the control gear (60) can rotate while the tongue (70) is in the groove (61), which is the groove (61) of the control gear (60), which starts to rotate with the rotational movement transmitted from the reel (30). In the case where the tongue (70) is positioned in the groove (61 ), the seat belt mechanism (10) operates in ELR mode.

[0035] The control gear comprises at least one outlet channel (64). Said outlet channel (64) is essentially a gap on the outer wall (63). The outlet channel (64) is of a size for allowing at least one end of the tongue (70) to protrude from the control gear (60). The control gear (60) comprises at least one guide wall (62). Said guide wall (62) is configured on at least one end of the groove (61 ). The guide wall also ensures that the groove (61 ) is closed. The guide wall (62) is essentially a protrusion that joins the remaining wall on the inside of the groove (61 ) and the outlet channel (64). Thus, it is ensured that the tongue (70) in the groove (61) contacts the guide wall (62) with the rotation of the control gear (60) and is transmitted towards the outer wall (63) of the control gear (60). While the control gear (60) makes its rotational movement, the guide wall (62) contacting the tongue (70) in the groove (61) brushes against the tongue (70) and at the same time rotates to displace the tongue (70) out of the control gear (60). After the tongue (70) is displaced out of the control gear (60), the seat belt mechanism (10) switches to ALR mode. The rotational movement required to switch to ALR mode is essentially the result of pulling the strap. When the strap is pulled to the end, the tongue (70) is displaced out of the groove (61) to achieve ALR mode.

[0036] The control gear comprises at least one inlet channel (65). Said inlet channel (65) is configured on the outer wall (63) and has a size wider than at least one end of the tongue (70). The inlet channel (65) is essentially a gap on the outer wall (63). The circumferential distance between the outlet channel (64) and the inlet channel (65) on the circular outer wall (63) in the control gear (60) is essentially the function switching range of the mechanism. Said switching range determines the operating range of the seat belt mechanism (10) in ALR mode. Said circumferential distance can be adjusted. This allows adjusting the moments for entering and exiting the ALR mode.

[0037] The tongue (70) in contact by being continuously pushed against the outer wall (63) by means of the first elastic element (71 ) re-enters the groove (61) through the inlet channel (65) as a result of the control gear (60) starting to rotate. The seat belt mechanism (10) switches from ALR mode to ELR mode during this time. This is achieved by releasing the strap and winding it on the reel (30). In other words, the strap is released and begins to wind on the reel (30) and rotates in the opposite direction to the direction it rotated to switch to ALR mode, while the tongue (70) enters the groove (61 ) through the inlet channel (65) and the switch to ELR mode is achieved.

[0038] In the light of all the described, the present invention fulfills its function as follows: With the pulling of the strap, the guide wall (62) in contact with the tongue (70) in the groove (61 ) displaces the tongue (70) out of the groove (61) through the outlet channel (64) and transmits it to the outer surface of the outer wall (63) with the continuation of the rotational movement. This results in the ALR mode, which, like the universal child seat, requires constant locking, i.e. does not provide freedom of movement. That is, with the exit of the tongue (70) from the groove (61 ), the wheel (80) is triggered by means of the second elastic element (72) and the arm (73), and the seat belt mechanism (10) switches to ALR mode. The preferred embodiment of the invention is achieved by pulling this strap all the way to the end. In the meantime, after releasing and winding the strap a certain amount on the reel, the switch from ALR mode to ELR mode is achieved. In order to achieve this, the reel (30) starts to rotate by pulling the strap wound on the reel (30). The transmission element (40) connected to the reel (30) also starts to rotate. The transmission element (40) transmits the rotational movement to the reducer element (50). The reducer unit (50) also regulates this rotational movement and transmits the rotational movement to the control gear (60) by means of the gear structure in the control gear (60). Thus, the control gear (60) starts to rotate. Then, after the seat belt removed from the buckle, in other words, the belt is rewound on the reel (30), the control gear (60) starts to rotate in the opposite direction and the tongue (70) moves over the switching range and reaches the input channel (65). The tongue (70) re-entering the groove (61) from the inlet channel (65) allows the seat belt mechanism (10) to switch to ELR mode. Thus, it switches to the mode where the strap has freedom of movement and provides security by locking in sudden acceleration changes.

[0039] Therefore, thanks to the seat belt mechanism (10), a structure including both ALR and ELR functions in a single seat belt suitable for all age groups is obtained.

[0040] The scope of protection of the invention is specified in the appended claims and cannot be limited to what is described for illustrative purposes in this detailed description. It is clear that a person skilled in the art can produce similar embodiments in the light of what is explained above, without deviating from the main theme of the invention. REFERENCE NUMERALS GIVEN IN THE DRAWING

[0041] 10 Seat Belt Mechanism

[0042] 20 Housing

[0043] 21 Cover

[0044] 30 Reel

[0045] 40 Transmission Element

[0046] 50 Reducer Element

[0047] 60 Control Gear

[0048] 61 Groove

[0049] 62 Guide Wall

[0050] 63 Outer Wall

[0051] 64 Outlet Channel

[0052] 65 Inlet Channel

[0053] 70 Tongue

[0054] 71 First Elastic Element

[0055] 72 Second Elastic Element

[0056] 73 Arm

[0057] 80 Wheel

Claims

CLAIMS1. A seat belt mechanism (10) with ALR and ELR functions for ensuring the safety of passengers of various age groups, comprising at least one reel (30) located in at least one housing (20) and having at least one transmission element (40) capable of rotational movement in connection with said reel (30), characterized by comprising at least one reducer element (50) in connection with said transmission element (40) to transmit rotational movement, comprising at least one control gear (60) in connection with said reducer element (50), said control gear (60) comprising at least one groove (61 ), comprising at least one tongue (70) positioned in said groove (61 ) such that at least one of its ends allows the movement of the control gear (60) while being connected to said housing (20), the control gear (60) comprising at least one guide wall (62), comprising at least one outlet channel (64) allowing said tongue (70) to exit the groove (61) by means of said guide wall (62), the control gear (60) comprising at least one inlet channel (65), comprising at least one first elastic element (71) allowing the tongue (70) to enter the groove (61) through said inlet channel (65), and comprising at least one wheel (80) triggered by at least one arm (73) by means of at least one second elastic element (72).A seat belt mechanism (10) according to claim 1 , characterized in that said reel (30) is essentially a hub shaft.

3. A seat belt mechanism (10) according to claim 1 , characterized in that said transmission element (40) is essentially a pinion.A seat belt mechanism (10) according to claim 1 , characterized in that said reducer element (50) is essentially a gear.A seat belt mechanism (10) according to claim 1 , characterized in that said first elastic element (71) is essentially a tension spring.

6. A seat belt mechanism (10) according to claim 1 , characterized in that said second elastic element (72) is essentially a cocking spring.

7. A seat belt mechanism (10) according to claim 1 , characterized in that said control gear (60) comprises at least one outer wall (63).

8. A seat belt mechanism (10) according to claim 1 , characterized in that it comprises at least one cover (21) connected to the housing (20).

9. A seat belt mechanism (10) according to claim 1 , characterized in that said wheel (80) has a circular shape and comprises at least one tooth on its outer surface.

10. A seat belt mechanism (10) according to claim 1 , characterized in that said tongue (70) is partly comma-shaped.

11. A seat belt mechanism (10) according to claim 1 , characterized in that said arm (73) is partly L-shaped.

12. A seat belt mechanism (10) according to claim 1 , characterized in that said arm (73) is configured to partially rotate around itself.

13. A seat belt mechanism (10) according to claim 1 , characterized in that said tongue (70) is configured to partially rotate around itself.

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