JPS5820417Y2 - Infant seat fixing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an infant seat securing device for securing an infant seat to a motor vehicle seat provided with a three-point continuous belt with an emergency locking retractor (ELR).

Generally, when securing an infant seat to a car seat, the seat belt installed in the car is hooked to the seat part of the infant seat, and the tip of the top strap provided on the backrest of the infant seat is connected to the rear of the seat. It is adapted to be engaged with a coupling body fixed to the body of the automobile.

By the way, the front seats of modern cars are equipped with three-point continuous belts with ELR, and this type of belt locks only in an emergency, and normally the belt is fed out from the ELR as the passenger moves. Therefore, if the lap part of this type of belt is used to hang over the seat part of an infant seat, for example, when normal braking is performed, the belt will not be locked and will be extended, causing the infant seat to There are 45 inconveniences in moving forward.

For this reason, this type of ELR has conventionally been used. The front seats, which were equipped with three-point continuous belts, had the disadvantage that infant seats could not be installed.

This invention was made in view of the above circumstances, and the ELR
To provide a device for securely fixing an infant seat to a seat equipped with a three-point continuous belt.

A first embodiment of the present invention will be described below with reference to FIGS. 1 to 4.

First, in FIG. 1, reference numeral 1 denotes the left front seat, which is equipped with a three-point continuous belt 2 having an emergency lock retractor (ELR).

As is well known, this continuous belt 2 has one end fixedly connected to the body at the left rear part of the front seat, and the other end fixed to the body at the left side part of the front seat (ELR (not shown)). It is automatically wound up.

Further, an intermediate portion of the continuous belt 2 is slidably inserted into a hanging device 4 fixed to the upper part of the center pillar 3 of the body.

Reference numeral 5 denotes a tank blade that is slidably inserted into the middle part of the continuous belt 2, and is adapted to be removably engaged with a buckle 6 located on the right side of the front seat 1.
The buckle 6 is fixed to the body at the right rear portion of the front seat via a connecting member 7.

In the continuous belt 2 having such a structure, when an adult is sitting in the front seat, the lap part 2a from one end of the continuous belt 2 to the tank plate 5 supports the waist, and the shoulder part from the tank plate 5 to the suspension device 4 supports the waist. 2b supports the upper body.

Now, reference numeral 8 denotes an infant seat placed on the front seat 1, which is provided with a seat portion 8a and a backrest portion 8b integrally, and is placed in front of the infant seated on the seat portion 8a. 9 is provided.

On the other hand, a groove 8c for engaging the wrap portion 2a is provided at the front end portion of the seat portion 8a.

Reference numeral 10 denotes a clamp device fixed to the rear right side surface of the seat portion 8a, for example, by screwing, and will be described in detail below.

Reference numeral 11 denotes a board having bent portions 12 and 13 directed outward at both upper and lower ends, and tongue portions 12a and 13a provided at the rear ends of the bent portions 12 and 13 are spaced apart from the board 11 at a predetermined distance. It is bent approximately at right angles to the bent portions 12 and 13 so as to face each other.

The tongue portions 12a and 13a are inclined with respect to the substrate 11 so that the distance from the substrate 11 becomes smaller as the tongue portions 12a and 13a move toward the rear.

14 is a long hole 1 whose one end is provided in the front part of the bent part 12.
This is an abbreviated clamp bar slidably and rotatably supported by the clamp bar 2b, and a clamp member 15 formed into a substantially cylindrical shape made of, for example, a rubber member is fitted and fixed to the outer periphery of the hanging portion 14a of the clamp bar. .

This clamp member 15 has a knurling 15a carved on the outer circumferential part except for both ends and the middle, and both ends of the clamp member 15 are provided between the tongue part 12a and the base plate 11 and between the tongue part 12a and the base plate 11.
a and the substrate 11.

Next, in this embodiment configured as described in 5 above, in order to fix the infant seat 8 to the front seat IK, first, the clamp bar 14 is
The continuous belt 2 is slid forward along the elongated hole 12b and rotated in the direction of the arrow A as shown by the two-dot chain line in FIG. The tank plate 5 is engaged with the buckle 6 so as to be fitted and along the substrate 11, and then the shoulder portion 2 of the continuous belt 2 is
b is folded back and overlapped on the lap portion 2a at the tank plate 5, and the overlapping portion is made to run along the substrate 11 as shown by the two-dot chain line in FIG.

Thereafter, the clamp bar 14 is rotated in the opposite direction of arrow A to bring the clamp member 15 into contact with the upper part of the overlapping portion of the lap portion 2a and shoulder portion 2b (see the two-dot chain line in FIG. 4). After that, the clamp bar 14 is moved in the direction of arrow B along the elongated hole 12b so that both ends of the clamp member 150 are fitted between the tongue portions 12a, 13a and the substrate 11, so that the wrap portion 2a and The overlapping portion with the shoulder portion 2b is held between the clamp member 15 and the substrate 11.

The shoulder portion 2b of the continuous belt 2 located between the clamp member 15 and the suspension device 4 is placed on the back side of the backrest portion 8b of the infant seat 8.

As described above, according to this embodiment, in the vicinity of the tank plate 5 corresponding to the boundary between the lap portion 2a and the shoulder portion 2b of the continuous belt 2, the wrap portion 2a and the shoulder portion 2b
The overlapping portion is clamped by the clamping device 10.
Since the continuous belt 2 is clamped by the tank plate 5, the continuous belt 2 is prevented from sliding against the tank plate 5, and the end of the lap portion 2a on the tank plate 5 side is substantially fixed to the tank plate 5. become.

Therefore, the left end of the wrap portion 2a of the continuous belt 2 is directly fixed to the body, and the right end is also fixed to the body via the tank plate 5, buckle 6, and connecting member 7. The seat 8 is securely held on the front seat 1 by the wrap portion 2a.

Although not shown, a top strap is provided on the backrest 8b of the infant seat 8, and its tip is attached to the front seat 1.
The rear portion of the child seat 8 is engaged with a hanging body fixed to the body, thereby preventing the infant seat 8 from rotating forward about the front end of the seat portion 8a. There is.

5 and 6 show a second embodiment of the present invention, and 16 is a clamping device attached to the infant seat 8 instead of the clamping device 10 of the first embodiment, This will be explained in detail below.

Reference numeral 17 denotes a board fixed to the infant seat 8 with screws, and has an engaging part 17a at its upper end and tongue parts 17b, 1 at its lower end.
7b is provided.

Reference numeral 18 denotes a rotating member, and a tongue piece 1 provided at the lower end of the rotating member.
8a and 18a connect to the tongue portion 17b via the shaft 19.

It is rotatably supported by 17b.

20 is a tongue piece 20a provided at the upper end, and the 20a is connected to the shaft 21.
A tongue piece 18 provided at the upper end of the rotating member 18 via
a.

18b is a lever rotatably supported, and the tongue piece 2 of this lever is rotatably supported.
0a, 20a rotatably support a hanging body 22, which is a bar bent into a substantially U-shape and further provided with bent portions 22a, 22a at both ends thereof.

Reference numeral 23.23 denotes two upright portions cut and bent in the direction of the substrate 17 at the intermediate portion of the rotating member 18, and between these two raised portions is a bent portion 24a of the clamp member 24 whose cross section is bent into a U-shape. .

24a is rotatably supported via a shaft 25.

Reference numerals 26 and 27 are clamping members made of rubber or the like, which are attached to the opposing surfaces of the substrate 17 and the clamp member 24, and the opposing surfaces are curved in a corrugated manner.

Therefore, in this embodiment configured in this way, the lever 2
0 in the direction of the arrow C, the intermediate portion of the hanging body 22 separates from the retaining part 17a and the hanging body 22 can be rotated in the direction of the arrow C. The continuous belt is rotated in the direction of arrow E, and the overlapping portion of the continuous belt's lap portion and shoulder portion is sandwiched between the clamping bodies 26 and 27 in the same manner as in the first embodiment described above. After that, the rotating member 18 is rotated in the direction opposite to the arrow E, the hooking body 22 is rotated in the direction opposite to the arrow C, and the lever 20 is further rotated in the direction opposite to the arrow C, so that the lap portion is formed between the clamping bodies 26 and 27. This clamps the overlapped portion of the shoulder portion and the shoulder portion, and has the same effect as the first embodiment.

7 and 8 show a third embodiment of the present invention, in which 28 is a clamp device attached to the infant seat 8 in place of the clamp device 10 of the first embodiment, This will be explained in detail below.

That is, reference numeral 29 denotes a base plate fixed to the infant seat 8 with screws, and on both ends thereof there are bent portions 30 oriented outward.
31 are provided.

The bent portion 30 is provided with a wedge-shaped insertion hole 32 that is successively interposed toward the rear of the infant seat 8, and the bent portion 31 is provided with a wedge-shaped insertion hole 32 that is approximately the same shape as the insertion hole 32. At the same time, a fitting groove 33 whose front end side faces outward is provided.

Reference numeral 34 denotes a clamp bar formed by bending a metal rod into a substantially U-shape. One end of this clamp bar is passed through the insertion hole 32, and a washer member 35 fixed to the one end allows the insertion hole 3 to be closed.
I try not to be left out from 2.

Reference numeral 36 denotes a cylindrical clamp member made of, for example, a rubber member, and is fitted and fixed to one end of the clamp bar 34 .

Then, in this embodiment constructed in this manner, the clamp bar 34 is placed in the state shown by the two-dot chain line in FIGS. The overlapping part of the continuous belt's lap part and shoulder part is connected to the substrate 29.
so that it is located between the bent parts 30 and 31 along the
Thereafter, the intermediate portion of the clamp bar 34 is rotated in the direction of arrow F to fit into the fitting groove 33, and the clamp bar 34 is further moved in the direction of arrow G parallel to the board 29. Yes, clamp bar 34 like this
When the clamp bar 34 is moved, the clamp bar 34 bites into the narrow part of the insertion hole 32 and the fitting groove 33, and the above-mentioned lap part and shoulder part of the continuous belt are separated between the clamp member 36 and the base plate 29. The overlapping portions can be held, and the same effect as in the first embodiment is achieved.

As is clear from the above description, the present invention provides an infant seat that can securely secure an infant seat to a car seat equipped with a three-point continuous belt equipped with an emergency lock retractor (ELR). A fixation device may be provided.

[Brief explanation of the drawing]

Figures 1 to 4 show the first embodiment of the present invention, where Figure 1 is a perspective view showing the arrangement relationship, Figure 2 is an enlarged side view showing the main parts, and Figure 3 is a clamp. FIG. 4 is an enlarged front view of the device, FIG. 4 is an enlarged cross-sectional view of the clamp device, and FIGS. 5 and 6 show a second embodiment of the present invention.
The figure is a vertical sectional view of the clamp device, Figure 6 is a front view of the same, and Figure 1
8 and 8 show a third embodiment of the present invention, FIG. 7 being a perspective view and FIG. 8 being a side view. In the drawings, 1 is a front seat, 2 is a continuous belt, 2a is a lap portion, 2b is a shoulder portion, 8 is a child seat, and 10, 16 and 28 are clamp devices.

Claims (1)

[Scope of utility model registration request] The seat is equipped with a three-point continuous belt with a retractor with an emergency lock provided at the end on the shoulder side, and the lap part of the belt is engaged with the seat part of the infant seat placed on the seat. It is further characterized by comprising a clamping device for overlapping the lap section and the shoulder section of the continuous belt near the boundary between the lap section and the shoulder section and clamping the overlapping section. Securing device for infant seats.