JPS6340045Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a tongue holding device for a three-point seat belt that is attached to a seat of an automobile or the like.

For example, to attach a three-point seat belt to a car seat, as shown in Figure 1, a buckle 3 is attached to the floor 1 on the center side of the car body via an anchor wire 2, and the seat 4 is attached to the floor 1 at the center of the car body. A seat belt 5 is arranged at a position opposite to the sandwiched buckle 3. Then, the base end of the seat belt 5 on the waist belt side is fixed to the floor 1, and the end part on the shoulder belt side is attached to the floor 1 via a retractor 6 etc., and the shoulder belt support member 7 is attached to the side of the vehicle body. A tongue 9 is attached to the upper part of the inner surface of the forming member 8 so as to be slidable in the middle part of the seat belt 5.
is engaged with the buckle 3.

Further, as shown in FIGS. 2 and 3, a stopper 10 for positioning the tongue 9 is attached to the seat belt 5, and a hook 11 is provided at a position upwardly away from the stopper 10. When not needed, the shoulder belt side is retracted using the retractor 6 so that the seat belt 5 is aligned with the inner surface of the side surface forming member 8 of the vehicle body, and the tongue 9 is hung on the hook 11 to prevent interference with other members. (Refer to Utility Model Application Publication No. 55-32780, etc.).

However, if the tongue 9 is hung on the hook 11 in this way, it is necessary to remove the tongue 9 from the hook 11 each time the seat belt is used, and at the same time, the hook 11 becomes a protruding object, so it is difficult to remove the tongue 9 from the hook 11 when getting on or off the seat. There are disadvantages such as clothes getting caught in the seatbelt 11, and the number of man-hours required to assemble the seatbelt increases due to the large number of parts.

The present invention was developed in view of the above circumstances, and it is an object of the present invention to provide a tongue holding device that can automatically hold the tongue in a state without wobbling when the seat belt is retracted without increasing the number of parts. The purpose is

In order to achieve this purpose, the present invention provides a three-point seatbelt in which the shoulder belt side is rolled up so that the seatbelt is stored in a substantially vertical position along the inner surface of the side surface forming member of the vehicle body. A tongue is slidably inserted into the intermediate portion of the seatbelt, the portion of which is removably engaged with a buckle attached to the floor via a magnetic material. Furthermore, a magnet is provided protruding from the surface of the tongue of the seat belt on the protruding side, so that the magnet restricts the maximum amount of movement of the tongue toward the waist belt side.

Therefore, if the seat belt is retracted by wrapping the shoulder belt side, the tongue will move (slide) to the waist belt side due to its own weight and will eventually be attracted and held by the magnet, which requires special retracting work. The tongue is automatically adsorbed and held on the surface of the seat belt in a folded state without any movement, and the tongue is prevented from wobbling when the seat belt is stored.

Embodiments of the present invention will be described in detail below with reference to FIGS. 4 and 5. In the drawings, parts having the same functions as those of the conventional example described above are denoted by the same reference numerals, and detailed explanation thereof will be omitted.

The seat belt 5 has an end on the waist belt side fixed to the floor and an end on the shoulder belt side attached to the floor via a retractor (not shown).In the middle part of the seat belt 5, an engagement part with a buckle (not shown) is made of steel or the like. A tongue 9 made of a magnetic material is slidably attached thereto.

In addition, a magnet 12 is adhesively fixed to the human body contact surface side of the waist belt side of the tongue 9, that is, the surface on the same side as the direction in which the tongue 9 protrudes.
The maximum amount of movement of the tongue 9 toward the waist belt is mechanically regulated by a magnet 12.

In the above configuration, it goes without saying that the tongue 9 moves closer to the shoulder belt than the magnet 12 when the seat belt is in use.

When the tongue 9 is removed from the buckle, the end on the shoulder belt side is retracted by the retractor (emergency lock type retractor), so the seat belt 5 is held in a substantially vertical state along the inner surface of the side forming member of the vehicle body. . Then, the tongue 9 slidably attached to the seat belt 5 descends under its own weight and gradually approaches the magnet 12.

Further, the descent of the tongue 9 as described above
When the tongue 9 is lowered to the vicinity of the magnet 12, the tip made of a magnetic material is attracted to the magnet 12, as shown in Fig. 5. As shown in the figure, the tongue 9 is folded and held on the surface of the seat belt 5.

That is, the tongue 9 can be automatically folded and held on the surface of the seat belt 5 by the descent of the tongue 9 due to its own weight and the adsorption force of the magnet 12 without any special retracting operation, which improves the operability of retracting the seat belt 5. is significantly improved. In addition, when using the seat belt, it is only necessary to remove the tongue 9 from the magnet 12 and bring it into closer engagement with the buckle, and to improve the operability of such a seat belt, an emergency lock is installed as described above. It is recommended to use a formula retractor.

As explained above, according to the present invention, the position of the tongue can be regulated and held simply by attaching a magnet instead of a conventional stopper, so there is no need to provide a hook, etc., and the number of parts and assembly can be reduced. Man-hours can be reduced. In addition, since the tongue is only held by magnets, the ease of attaching and detaching the tongue is significantly improved, and there is no need to use hooks that may cause injury to the human body or clothing, which improves the safety of the seatbelt itself. In addition to improving the properties, the appearance also improves.

[Brief explanation of drawings]

Figure 1 is a schematic front view of an example of a three-point seatbelt, Figure 2 is a perspective view of the main parts of a conventional example, Figure 3 is a front view of the same tongue when it is held (stored), and Figure 4 is a front view of an example of a three-point seat belt. FIG. 5 is a perspective view of essential parts showing an embodiment of the present invention, and FIG. 5 is a front view of the same tongue when it is held (stored). DESCRIPTION OF SYMBOLS 1... Floor, 2... Anchor wire, 3... Buckle, 5... Seat belt, 6... Retractor, 7... Shoulder belt support member, 8... Side forming member, 9... Tang, 12... Magnet .

Claims (1)

[Scope of utility model registration request] In a three-point seatbelt, the seatbelt is stored in a substantially vertical position along the inner surface of the side surface forming member of the vehicle body by retracting the shoulder belt side, and the seatbelt is attached to and detached from a buckle attached to the floor via an anchor wire. A tongue having a freely engaging portion made of a magnetic material, a seat belt having the tongue slidably inserted into an intermediate portion, and a magnet protruding from the surface of the protruding side of the tongue of the seat belt. A tongue holding device for a three-point seatbelt, characterized in that the magnet restricts the maximum movement of the tongue toward the waist belt side.