JP2007182172A - Tongue retaining structure for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To constitute a structure for suppressing the state for generating noise by rattling a tongue and a connection tongue to a simple structure when the tongue and the connection tongue are retained on a ceiling part at non-use of a seat belt. <P>SOLUTION: The tongue retaining structure for the vehicle is provided with a receiving part 6i capable of receiving the tongue 15; and an attitude setting part 6f abutted on the connection tongue 14 to determine the attitude of the connection tongue 14 on the ceiling part 5. While the attitude of the connection tongue 14 is determined by the attitude setting part 6f by take-up of the seat belt 8 of a winding device 7, an insertion part 15a of the seat belt 8 of the tongue 15 is taken up to the winding device 7 side through the connection tongue 14. Thereby, the tongue 15 is pressed/retained by the receiving part 6i. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a structure for holding a seat belt tongue and a connect tongue when not in use in a vehicle such as a passenger car, a commercial vehicle, or a bus.

  For example, in a vehicle such as an SUV or a minivan, in a three-point seat belt, a seat belt (30 in FIG. 1 of Patent Document 1) that extends from a winding device (32 in FIG. 1 of Patent Document 1) is There is a structure that can extend downward, and a connect tongue (40 in FIG. 1 of Patent Document 1) is fixed to the front end portion of the seat belt, and a tongue (42 in FIG. 1 of Patent Document 1) is fixed to the middle portion of the seat belt. ) Is inserted. Accordingly, when the seat belt is used, as shown in FIG. 1 of Patent Document 1, the seat belt is pulled out from the ceiling portion, the connect tongue is connected to the buckle (44 in FIG. 1 of Patent Document 1), and the tongue is buckled. It connects to (46 of FIG. 1 of patent document 1).

  When the seat belt is not used, the tongue and the connect tongue are removed from the buckle and the seat belt is pulled into the ceiling when the seat belt is used. In this case, in Patent Document 1, a plate-like spring member (56 in Patent Document 1 and FIG. 4) is bent and fixed to the ceiling portion, and the tongue is retracted into the ceiling portion. In addition, the tongue and the connect tongue are held on the ceiling by engaging and holding the connect tongue with the spring member (see FIG. 2 of Patent Document 1).

JP 2002-331909 A (FIGS. 1, 2, and 4)

In Patent Document 1, the tongue and the connect tongue are configured to be held on the ceiling by a spring member in a state where the seat belt is pulled into the ceiling. As a result, when the engagement between the tongue or connect tongue and the spring member becomes slightly loose, rattling occurs between the tongue or connect tongue and the spring member, and the tongue or connect tongue is loose due to vibration during travel. In addition, abnormal noise may occur.
In Patent Document 1, since a dedicated spring member for engaging and holding the tongue and the connect tongue is provided in a state where the seat belt is pulled into the ceiling portion, the number of parts is increased by the amount of the spring member. Thus, there is room for improvement in terms of simplification of the structure.

  In the vehicle tongue holding structure, when holding the tongue and the connect tongue on the ceiling when the seat belt is not used, the object is to suppress a state in which the tongue or the connect tongue rattles and an abnormal noise is generated. An object of the present invention is to simply configure a structure that suppresses a state in which this abnormal noise is generated.

[I]
(Constitution)
The first feature of the present invention is that the tongue holding structure of a vehicle is configured as follows.
The seat belt extended from the winding device is configured to be able to extend downward from the ceiling portion, the connect tongue is fixed to the front end portion of the seat belt, and the tongue is inserted into the intermediate portion of the seat belt. The ceiling portion includes a receiving portion that can receive the tongue and a posture setting portion that contacts the connect tongue and determines the posture of the connect tongue. While the posture of the connecting tongue is determined by the posture setting unit by retracting the seat belt of the winding device, the tongue seat belt insertion portion is pulled into the winding device side via the connecting tongue, so that the tongue is received. It is comprised so that it may be pressed and hold | maintained.

(Function)
According to the first feature of the present invention, when the tongue and the connect tongue are held on the ceiling when the seat belt is not used, the connect tongue is brought into contact with the posture setting part, and the tongue is brought into contact with the receiving part. What is necessary is just to draw in a seatbelt in a winding apparatus. Thereby, when the seat belt of the winding device is retracted, the insertion portion of the tongue seat belt is pulled to the winding device side via the connect tongue, and by pressing the tongue to the receiving portion via the connect tongue The tongue is held in the receiving part.

In this case, according to the first feature of the present invention, the retracting of the seat belt of the winding device is always generated, and the pressing of the tongue receiving portion via the connect tongue is always generated. Even when rattling occurs between the receiving portion and the receiving portion, the rattling disappears due to the retracting of the seat belt of the winding device, the tongue is pressed against the receiving portion, and the tongue holding state is maintained.
According to the first feature of the present invention, since the tongue is held in the receiving portion by retracting the seat belt of the winding device, a dedicated member for engaging and holding the tongue like the spring member of Patent Document 1 Etc. (even if a dedicated member for engaging and holding the tongue is provided, a small dedicated member may be used).

  According to the first feature of the present invention, the tongue of the tongue seat belt is pulled into the take-up device side via the connect tongue while the attitude of the connect tongue is determined by the attitude setting portion, so that the tongue is pressed against the receiving portion. Has been. In other words, when the retractable seat belt is pulled in, the connecting tongue is pressed against the tongue (pressed and held by the receiving portion), and the posture setting portion determines the posture of the connecting tongue. The connect tongue is held by the tongue and posture setting unit.

In this case, according to the first feature of the present invention, the retracting of the seat belt of the winding device is always generated and the pressing of the connecting tongue is always generated. Even if rattling occurs, the rattling disappears due to the retracting of the seat belt of the winding device, the connecting tongue is pressed against the tongue, and the holding state of the connecting tongue is maintained.
According to the first feature of the present invention, since the connecting tongue is held by pulling in the seat belt of the winding device, a dedicated member for engaging and holding the connecting tongue like the spring member of Patent Document 1. Etc. (Even if a dedicated member for engaging and holding the connect tongue is provided, a small dedicated member may be used).

(The invention's effect)
According to the first feature of the present invention, in the tongue retaining structure of a vehicle, when the tongue and the connect tongue are held on the ceiling when the seat belt is not used, the rattle and the connect tongue can be rattled. It is possible to maintain the holding state of the tongue and connect tongue by disappearing, and it is possible to suppress the state where the tongue and connect tongue rattle and generate abnormal noise, improving the comfort of the vehicle. I was able to.

  According to the first feature of the present invention, it is not necessary to provide an exclusive member for engaging and holding the tongue and the connect tongue by effectively using the existing winding device (in the tongue and the connect tongue). Even if a dedicated member for engaging and holding is provided, a small-scale dedicated member may be used), which is advantageous in terms of simplification of the structure.

[II]
(Constitution)
The second feature of the present invention is that the tongue retaining structure for a vehicle according to the first feature of the present invention is configured as follows.
The receiving portion is configured such that the insertion portion of the tongue seat belt is positioned on the lower side, the tongue is inclined, and the tongue is pressed and held by the receiving portion.

(Function)
According to the second feature of the present invention, the “action” described in the preceding item [I] is provided in the same manner as the first feature of the present invention, and in addition to this, the following “action” is provided.
According to the second feature of the present invention, for example, as shown in FIG. 4B, the insertion portion of the seat belt 8 of the tongue 15 is positioned on the lower side, the tongue 15 is in an oblique posture, and the tongue 15 is a receiving portion. 6i, when the seat belt 8 of the take-up device 7 is held, the connect tongue 14 is pressed against the tongue 15, and the connect tongue 14 is inserted into the seat belt 8 of the tongue 15. It will be in the state supported from the lower side by a part.

(The invention's effect)
According to the second feature of the present invention, the “effect of the invention” described in the preceding item [I] is provided in the same manner as the first feature of the present invention. In addition, the following “effect of the invention” is provided. ing.
According to the second feature of the present invention, the connecting tongue is pressed against the tongue by retracting the seat belt of the winding device, and the connecting tongue is supported from below by the insertion portion of the tongue seat belt. As a result, the connection tongue retention function was improved.

  FIG. 1 shows the vicinity of the right and left seats 1 on the rear side of a passenger car such as an SUV type or a minivan type. In the seat 2 of the right and left seats 1, Buckles 3 and 4 are fixed to the left and right central sides. A cover 6 is attached to the right and left lateral outer portions of the ceiling portion 5, and a winding device 7 and a seat belt 8 are provided inside the cover 6.

  As shown in FIG. 3, a winding device 7 is connected to a mounting seat 9 fixed to the ceiling portion 5 by a bolt 10. A seat belt 8 extends from the winding device 7 so that the seat belt 8 can extend from the ceiling 5 (cover 6). As shown in FIGS. 1 and 4 (a), a connect tongue 14 is prepared, and the front end portion of the seat belt 8 is inserted into the insertion hole 14a of the connect tongue 14 and wound and sewn (sewn portion). 8a). A tongue 15 is prepared, and a seat belt 8 is inserted into an insertion hole 15 a (corresponding to an insertion portion) of the tongue 15.

  As shown in FIG. 1, when the seat belt 8 is used, the seat belt 8 is pulled downward from the ceiling portion 5 (cover 6), the connect tongue 14 is connected to the buckle 3, and the tongue 15 is connected to the buckle 4. As a result, a three-point seat belt 8 is obtained.

  As shown in FIGS. 3 and 5, the cover 6 is integrally formed of a synthetic resin, and the first lateral surface portion 6 a, the longitudinal surface portion 6 c, and the second lateral surface portion 6 b are stepped on the front side portion of the cover 6 in a side view. It is formed in a shape, and is provided with five connecting claws 6d, and a connecting hole 6e is opened in the second lateral surface portion 6b. Thereby, as shown in FIGS. 3 and 7, the second lateral surface portion 6 b (connection hole 6 e) of the cover 6 is connected to the bracket 11 connected to the winding device 7 by the connection pin 13 with the spacer 12 interposed therebetween. The connecting claw 6 d of the cover 6 engages with the locking portion 5 a of the ceiling portion 5, and the cover 6 is attached to the ceiling portion 5.

  In this case, the spacer 12 shown in FIG. 3 is abolished, and the right and left sides of the connection hole 6e of the cover 6 shown in FIGS. 5 and 6 (between the rib 6j at the center of the cover 6 and the rib 6j on the right side described later). A rib (not shown) is integrally formed on the cover 6 in the front-rear direction (the vertical direction in FIG. 5) at the position and the position between the center rib 6j and the left rib 6j of the cover 6. Also good. As a result, the second lateral surface portion 6b (connection hole 6e) of the cover 6 is connected to the bracket 11 connected to the winding device 7 by the connection pin 13 with the rib (not shown) interposed therebetween.

  As shown in FIGS. 2A, 5, and 6, a first opening 6 f (corresponding to a posture setting portion) is opened in the first lateral surface portion 6 a of the cover 6. A second opening 6g is opened in the vertical surface portion 6c of the cover 6, a third opening 6h is opened below the second horizontal surface portion 6b of the cover 6, and from the third opening 6h of the cover 6 The seat belt 8 is extended. As shown in FIG. 3, in the first, second, and third openings 6f, 6g, and 6h of the cover 6, the first opening 6f of the cover 6 opens downward and is located at the highest position. The second opening 6g of the cover 6 opens toward the front (right side in FIG. 3), slightly below the first opening 6f of the cover 6 (below the paper in FIG. 3), and on the rear side (in FIG. 3). It is located on the left side of the page. The third opening 6h of the cover 6 opens toward the front (right side of the drawing in FIG. 3), slightly below the second opening 6g of the cover 6 (downward on the drawing in FIG. 3), and on the rear side (of FIG. 3). It is located on the left side of the page.

  As shown in FIGS. 3, 5 and 6, on the inner surface of the vertical surface portion 6 c of the cover 6, a rib-shaped receiving portion 6 i is integrally formed upward from the upper side portion of the second opening 6 g of the cover 6. And the receiving part 6i is provided in three places, the left-right center part of the 2nd opening part 6g of the cover 6, and the right and left side part. The lower side portion of the receiving portion 6i of the cover 6 is formed so as to extend obliquely upward (leftward in FIG. 3). On the inner surface of the vertical surface portion 6c of the cover 6, ribs 6j are integrally formed downward from the lower side portion of the second opening 6g of the cover 6, and the left and right central portions of the second opening 6g of the cover 6; Ribs 6j are provided at three locations on the right and left lateral sides.

Next, the case where the seat belt 8 is not used will be described.
When the seat belt 8 is not used, the connect tongue 14 is removed from the buckle 3, the tongue 15 is removed from the buckle 4, and the seat belt 8 is pulled into the take-up device 7, while FIG. As shown, the connecting tongue 14 is inserted into the first opening 6 f of the cover 6, and the tongue 15 is inserted into the second opening 6 g of the cover 6.

  As a result, as shown in FIGS. 2 (b) and 4 (b), when the seat belt 8 of the winding device 7 is retracted, the tongue 15 of the tongue 15 is connected via the connect tongue 14 and the sewing portion 8 a of the seat belt 8. The portion of the insertion hole 15a tends to be drawn into the winding device 7 side. In this case, since the tongue 15 is inserted into the second opening 6g of the cover 6, the tongue 15 is rotated in the clockwise direction in FIG. 4B with the lower side of the second opening 6g of the cover 6 as a fulcrum. A moment to be generated is generated, and the tongue 15 is pressed against the lower side portion of the receiving portion 6i of the cover 6 by using the lower side portion of the second opening 6g of the cover 6 as a fulcrum by this moment. A relatively large frictional force is generated between the lower receiving portion 6i of the six receiving portions 6i. At the same time, the tongue 15 is pressed against the lower side of the second opening 6g of the cover 6 with the lower side of the receiving part 6i of the cover 6 as a fulcrum, and the tongue 15 and the lower side of the second opening 6g of the cover 6 A relatively large frictional force is generated during this period.

  Accordingly, as shown in FIGS. 2 (b) and 4 (b), the tongue 15 is pressed and received by the receiving portion 6i of the cover 6 via the connecting tongue 14 and the sewing portion 8a of the seat belt 8. Because the tongue 15 is pressed against the lower side of the second opening 6g of the cover 6, the portion of the insertion hole 15a of the tongue 15 is positioned on the lower side, and the tongue 15 is obliquely forward (right side of FIG. 4B). The tongue 15 is held by the receiving portion 6 i of the cover 6.

  As shown in FIGS. 2 (b) and 4 (b), when the tongue 15 is held, the connection tongue 14 and the posture of the connection tongue 14 are determined while the posture of the connection tongue 14 is determined vertically by the first opening 6f of the cover 6. The portion of the insertion hole 15a of the tongue 15 is pulled toward the take-up device 7 via the sewing portion 8a of the seat belt 8, so that the tongue 15 has the lower side portion of the receiving portion 6i of the cover 6 and the second opening 6g. It is pressed to the lower side of.

  Accordingly, as shown in FIGS. 2 (b) and 4 (b), when the seat belt 8 of the winding device 7 is retracted, the connecting tongue 14 and the sewing portion 8a of the seat belt 8 are inserted into the tongue insertion hole 15a. The connecting tongue 14 is positioned by the first opening 6f of the cover 6 so that the connecting tongue 14 and the sewn portion 8a of the seat belt 8 are connected to the tongue insertion hole 15a. It is in the state supported from the lower side by the part. Thus, the connect tongue 14 is held by the tongue 15 and the first opening 6 f of the cover 6.

In this case, since the retracting of the seat belt 8 of the winding device 7 always occurs, there is a backlash between the tongue 15 and the lower side of the receiving part 6i of the cover 6 and the lower side of the second opening 6g. Even if it occurs, the backlash disappears due to the retracting of the seat belt 8 of the winding device 7, and the tongue 15 is pressed against the lower side portion of the receiving portion 6i of the cover 6 and the lower side portion of the second opening 6g. Is maintained.
Similarly, even if rattling occurs between the connecting tongue 14 and the sewing portion 8a of the seat belt 8 and the portion of the insertion hole 15a of the tongue 15, the backlash of the seat belt 8 of the take-up device 7 pulls back. The sticking disappears, and the connecting tongue 14 and the sewing portion 8a of the seat belt 8 are pressed against the portion of the insertion hole 15a of the tongue 15, and the holding state of the connecting tongue 14 is maintained.

[Another Embodiment of the Invention]
In the above-mentioned [Best Mode for Carrying Out the Invention], the winding device 7 is not provided in the ceiling portion 5, but the winding device 7 is located inside a pillar (not shown) positioned on the lateral outer side of the seat 1. In preparation for this, the seat belt 8 may be extended from the winding device 7 to the position of the cover 6 along the inside of the pillar and the inside of the ceiling portion 5.

Front view of the rear right and left seats in a passenger car The perspective view which shows the state before and behind holding a tongue and a connect tongue Longitudinal side view showing the inside of the cover with the tongue and connect tongue held Longitudinal side view showing the inside of the cover before and after holding the tongue and connect tongue Overall plan view of the cover The perspective view which shows the 1st and 2nd horizontal surface part of a cover, and the inner surface of a vertical surface part Longitudinal front view near the cover claw

Explanation of symbols

DESCRIPTION OF SYMBOLS 5 Ceiling part 6f Posture setting part 6i Receiving part 7 Winding device 8 Seat belt 14 Connect tongue 15 Ton 15a Tongue seat belt insertion part

Claims (2)

The seat belt extended from the winding device is configured to be able to extend downward from the ceiling portion, and the connect tongue is fixed to the front end portion of the seat belt, and the tongue is inserted into the intermediate portion of the seat belt,
A receiving portion capable of receiving the tongue, and a posture setting portion that contacts the connect tongue and determines the posture of the connect tongue, are provided in the ceiling portion,
By retracting the seat belt of the winding device, the posture of the connecting tongue is determined by the posture setting unit, while the insertion portion of the seat belt of the tongue is pulled to the winding device side through the connect tongue, A tongue retaining structure for a vehicle configured such that a tongue is pressed and held by a receiving portion.   2. The receiving portion is configured such that a seat belt insertion portion of the tongue is positioned on the lower side, the tongue is inclined, and the tongue is pressed and held by the receiving portion. The vehicle tongue retaining structure described in 1.

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