JPH0635774Y2 - child seat - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is suitable for use as an adult vehicle seat that is attached and held by an adult seat belt or the like to restrain an infant or the like by sitting. Regarding the improvement of the child seat.

[Conventional technology]

An example of this type of child seat is Jikkou Sho 57.
Various structures have been proposed in the past, including −2197 and Japanese Utility Model Publication No. 60-27065. To briefly explain one example, a child seat of this type generally includes a seat body formed in a substantially bucket shape composed of a seat portion and a backrest portion, and a vehicle seat for adults on the back side of the body. A support leg that is placed and supported on the top and a handle for hooking an adult seat belt are attached, and a safety belt for restraining an infant is attached to the bottom of the main body through a connecting metal fitting or the like. An emergency lock tractor is provided. The safety belt connected to the retractor side is pulled out to the front side of the main body as a shoulder belt for holding both shoulders of the infant through a pair of left and right insertion holes formed in the backrest, and these left,
The right shoulder belt is joined in a substantially Y shape, and a chest pad or the like that protects the infant is wrapped around the joining portion, and a tongue that is detachably inserted into a buckle provided on the front side of the stool portion. It was configured to be attached with etc.

[Problems to be solved by the device]

By the way, according to the child seat having the conventional structure as described above, the main body rear surface of the pair of left and right shoulder belts which are branched from the substantially Y-shaped confluent portion which has the tongue at the tip end and is wrapped with the chest pad. It is necessary to make at least a pair of left and right insertion holes as through holes to the side in the backrest part of the seat body, and the left and right shoulder belts with the backrest part inserted are attached to the back of the body. In order to connect the side to the emergency lock type retractor on the bottom side of the main body, it is necessary to connect it to the bifurcated retractor belt side with a connecting means such as a metal fitting on the back side of the main body. However, there are problems that the number of constituent parts is large and the structure is likely to be complicated, and that the work of inserting the belt into the left and right insertion holes is troublesome.

Particularly, in this type of child seat, in order to adjust the height position such as the withdrawal position of the belt from the backrest portion according to the infant's physique and growth, the above-mentioned insertion holes are provided in the backrest portion in a plurality of stages. This is generally done, for example, as shown in JP-A-51-76731 and U.S. Pat. No. 3,922,035, but since the above-mentioned troublesome insertion work is required. However, there is a problem that the complexity of the work for adjusting the belt withdrawal height position cannot be avoided. In addition, for the same reason, it is inevitable that the removal of the chest pad from the belt confluence part and the replacement of the belt, and the replacement work of the seat cover etc. which covers the entire child seat of this kind are complicated. It is desired to take some measures to eliminate these problems.

The present invention has been made in view of such circumstances, and has a structure for pulling a shoulder belt for restraining an infant that is pulled out by inserting a backrest portion of a seat body, and a buckle structure corresponding to a tongue provided at the tip of the shoulder belt. The purpose of the present invention is to obtain a child seat that can eliminate the above-mentioned problems by improving the seating structure including the above.

[Means for Solving the Problems]

In order to meet such a demand, the child seat according to the present invention has a seat body including a seat portion and a backrest portion, and the child seat is attached and held to an adult vehicle seat by an adult seat belt or the like. The seating plate that constitutes the seating surface of the seat is provided so that the seating height can be movably adjusted with respect to the child seat body, and an emergency lock type retractor is provided on the bottom side of the seating plate, and is pulled out from the retractor to the back side of the seat body. A pair of shoulder belts are connected to the tip of the retractor belt, and the pair of shoulder belts are pulled out to the front side of the seat body from a pair of left and right belt insertion long grooves formed in the backrest. And

[Action]

According to the present invention, the seating plate that constitutes the seating surface of the stool is provided so that the seating surface height is movable relative to the seat body, and the emergency lock type retractor is provided on the bottom side of the seating plate. A pair of shoulder belts are connected to the tip of the retractor belt that is pulled out to the rear side of the main body, and the pair of left and right shoulder belts are provided on the front side of the seat body from a pair of left and right belt insertion long grooves formed in the backrest. Since it is pulled out, by adjusting the height position of the seating board according to the physique and growth of the infant, a pair of left and right belt insertion long grooves provided in the backrest part are provided on the front side of the seat body. The shoulder belt can be used in an optimal state.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

FIGS. 1 to 5 show an embodiment of a child seat according to the present invention. In these drawings, first, a schematic structure of a child seat generally designated by reference numeral 1 is shown in FIG. 1 and FIG. To briefly explain using this, the child seat 1 includes a child seat body 4 including a seat portion 2 and a backrest portion 3, and is attached and held to an adult vehicle seat (not shown) with an adult seat belt or the like. Is configured. 5 is the seat 2
The retractor belt 6 which is an emergency lock type retractor disposed on the bottom side of the retractor and which is pulled out from the retractor 5 to the rear side of the main body 4 has a pair of webbing shoulder straps 7,7 for restraining an infant. Are connected by a loop-shaped portion (not shown) formed by sewing. The pair of left and right shoulder belts 7, 7 are pulled out to the front side of the main body 4 by the one-step long belt-grooves 8, 8 formed in the backrest 3, as shown in FIG. Is configured. Here, these left and right shoulder straps 7,
The tip side of 7 includes a chest pad that protects the infant.
A character-shaped tongue 9 is attached, and the tip end portion of the buckle 10 is detachably attached to a buckle 10 provided on the front end side of the sitting portion 2.

According to the present invention, in the child seat 1 having the above-described structure, the seating surface of the seating portion 2 of the seat body 4 serves as a seating plate 11 as a member different from the body 4, as is apparent from FIG. It is characterized in that it is provided in a state in which the seat height can be movably adjusted with respect to the seat body 4. Here, in the present embodiment, the buckle 10 to which the tip portions (tongues 9) of the child restraining shoulder belts 7, 7 drawn out from the backrest portion 3 are detachably inserted and fixed to the bottom side of the seating plate 11. In addition to this buckle 10, the emergency lock retractor 5 is also attached.
The case where it is attached to the bottom side of the seating plate 11 is shown.

The movable adjusting structure of the seat plate 11 described above will be described in detail. In the present embodiment, the seat plate 11 is configured to be able to be pulled out in front of the main body 4,
Along with this, multiple guide grooves 12, 12 (see Fig. 4)
Is integrally formed with the side wall portion of the main body 4 which constitutes the stool portion 2.

Further, according to such a configuration, the height position of the seating plate 11 which constitutes the seating part seating surface according to the physique and growth of the infant can be adjusted to an arbitrary height position by pulling out the seating plate 11 and inserting and sliding. It will be easily understood that the movable adjustment can be appropriately made by selecting the guide grooves 12, 12.

According to such a configuration, the shoulder belt 7 for restraining the infant,
Without changing the insertion point from the backrest part 3 of 7,
The field of view of the infant can be kept substantially constant by coping with the infant's physique and growth, and the long grooves 8 and 8 for insertion are provided on the back portion 3 as in the past.
A belt that matches the growth of young children by forming multiple stages on the
There are advantages such as the troublesome work for removing the belt such as adjusting the height of 7 and the need for a belt connecting metal fitting on the rear side of the main body. Further, in this embodiment, since the buckle 10 and the emergency lock type retractor 5 are attached to the seating plate 11, there is an advantage that an infant is less affected when an impact is applied.

Reference numerals 13a, 13a; 13b, 13b in FIGS. 1 and 5 denote trim covers which are put on the surface of the child seat body 4.
The slack of the cover 14 is adjusted by a male hook that is formed over a plurality of stages that locks the female hook 15 of 14 according to the adjustment height of the seating plate 11 as shown in FIG. It is for.

It should be noted that the present invention is not limited to the structure of the embodiment described above, and the shape, structure, etc. of each part of the child seat 1 can be appropriately modified or changed as necessary, and various modifications can be considered. For example, in the above-described embodiment, the case where the seating plate 11 can be arbitrarily assembled to the guide grooves 12, 12 provided on the main body 4 side by a plurality of steps by sliding is illustrated, but the present invention is not limited to this. Alternatively, the well-known lifter mechanism 20 as illustrated in FIG. 6 may be incorporated in the bottom side of the seat 4 of the main body 4 to support the seating plate 11 so that the seating plate 11 can be moved up and down to obtain the above-described effect. Of course.

Further, in the above-described embodiment, the case where the buckle 10 is provided on the bottom side of the seating plate 11 has been described, but the present invention is not limited to this, and it goes without saying that it may be provided on the child seat body 4 side.

[Effect of device]

As described above, according to the child seat according to the present invention, the seating plate that constitutes the seating surface of the seating portion of the seat body is provided in a state in which the seating surface height is movable and adjustable with respect to the child seat body. Despite the inexpensive structure, the seating plate that constitutes the seating surface of the stool can be attached to or detached from the seat body or moved up and down to adjust the seat height, so that the backrest of the shoulder belt for restraining infants The baby's physique and growth can be dealt with without changing the insertion position of the child, and the infant's field of view can be kept substantially constant.By forming multiple long grooves for insertion in the backrest as in the past, it is possible to grow the infant. There are various practical effects such as the troublesome work for removing the belt such as adjusting the height of the combined belt and the need for a belt connecting metal fitting on the rear side of the main body.

[Brief description of drawings]

FIG. 1 is an overall schematic perspective view showing an embodiment of a child seat according to the present invention, FIG. 2 is a schematic perspective view showing a seating plate as a main part thereof, and FIG. 3 is a schematic view seen from a side, FIG. 4 is a sectional view showing the relationship between the guide groove and the seat plate, FIG. 5 is a schematic sectional view showing the fixing method of the trim cover, and FIG. 6 is a schematic sectional view showing another embodiment of the present invention. Is. In the figure, 1 ... Child seat, 2 ... Seating portion, 3 ... Backrest portion, 4 ... Seat body, 5 ... Emergency lock retractor, 6 ... Retractor belt, 7, 7 ... A pair of child restraining shoulder belts, 8, 8 ... Belt insertion hole, 9 ... T-shaped tongue, 1
0 ... buckle, 11 ... seat plate, 12 ... guide groove, 13a, 13a; 13
b; 13b ... Male hook, 15 ... Female hook, 20 ... Lifter mechanism.

Claims (1)

[Scope of utility model registration request] 1. A child seat having a seat body comprising a seat portion and a backrest portion, which is attached and held to an adult vehicle seat by an adult seat belt or the like, wherein a seating plate constituting a seat surface of the seat portion is provided. , The seat height is movably adjustable with respect to the child seat body, the emergency lock type retractor is provided on the bottom side of the seating plate, and a pair of shoulder straps are attached to the tip of the retractor belt pulled out from the retractor to the back side of the seat body. A child seat, in which belts are connected, and the pair of shoulder belts are pulled out to the front side of the seat body from a pair of left and right long belt insertion grooves formed in the backrest portion.