CN101224717A - child seat - Google Patents

Abstract

The child seat (40) is placed on the vehicle seat (70), has a back portion (41) and a seat portion (42), and is hung with a child having a waist safety belt portion (36) and a shoulder safety belt portion (37). Safety belt (39), and the thigh safety belt (30) that draws from seat portion (42). The thigh safety belt (30) has: a safety belt part (31) passing through the seat part (42); a belt buckle (35) arranged at one end of the safety belt part (31) and engaged with an infant safety belt (39); and An adjustment frame (10) is arranged on the other end of the safety belt part (31) and locks the safety belt part (31) and the seat part (42). The adjustment frame (10) has at least three ribs (11, 12, 13). The outer rib (15) of the adjustment frame (10) has a notch (18). The other end of the seat belt portion (31) is fixed to the second and subsequent ribs (12) counted from the outer rib (15) having the notch portion (18).

Description

child seat

technical field

The invention relates to a child seat capable of adjusting the length of a thigh belt.

Background technique

In the case of an infant riding in a car, a child seat may be used in order to protect the safety of the infant. As shown in FIG. 10 , such a conventional child seat 40 is mounted on a vehicle seat (not shown), and includes a back portion 41 and a seat portion 42 . Furthermore, the child seat 40 is hung with an infant safety belt 39 having a lap belt portion 36 and a shoulder belt portion 37 and a lap belt 30 drawn from the seat portion 42 . Among them, the lap belt 30 has a buckle 35 at its upper end, and the child safety belt 39 can be freely engaged with the buckle 35 .

And, as shown in FIG. 10 , one end of the lap belt portion 36 side of the child safety belt 39 is fixed to the seat portion 42 , and the other end of the child safety belt 39 on the shoulder belt portion 37 side passes through the seat belt of the back 41 . The holes 44 are led out to the back side of the back 41 . Moreover, the other end of the child safety belt 39 is provided with a safety belt adjustment accessory (not shown), through which the length of the child safety belt 39 can be adjusted.

On the other hand, generally no components for adjusting the length of the lap belt 30 are provided. In addition, even if a member for adjusting the length of the thigh belt 30 is provided, the structure is complicated, which increases the price and requires extra space.

Contents of the invention

The present invention has been made in consideration of the above-mentioned problems, and an object of the present invention is to provide a child seat that is inexpensive and space-saving, and that can adjust the length of the thigh belt.

The child seat according to the present invention is mounted on a vehicle seat, and has a back, a seat portion, an infant seat belt including a lap belt portion and a shoulder belt portion, and a thigh seat belt extending from the seat portion. It is characterized in that the thigh seat belt has: a seat belt part passing through the seat part, a buckle provided at one end of the seat belt part and engaged with the infant seat belt, and provided at the other end of the seat belt part and connecting the seat belt part with the seat. The adjustment frame body is partially locked, the adjustment frame body has at least three ribs, the outer side rib of the adjustment frame body has a cutout, and the other end of the safety belt is fixed on the number of ribs from the outer side rib with the cutout portion. On the ribs after the second.

According to such a structure, the child seat whose seat belt length can be adjusted can be manufactured at low cost, the length of the seat belt drawn from the seat can be easily adjusted, and the adjustment frame can be installed in a very small space.

The child seat according to the present invention is characterized in that the seat portion has a holding portion for detachably holding the adjustment frame on the lower surface of the bottom portion.

The child seat according to the present invention is mounted on a vehicle seat, and is characterized by comprising: a base that can be placed on the vehicle seat in a forward-facing state and a rearward-facing state, and has a base back and a base seat. The seat back is detachably placed on the base body, and has the back of the seat back, the seat part of the seat back, the baby safety belt including the waist belt part and the shoulder belt part, and the seat belt drawn from the seat back seat Thigh safety belt; the thigh safety belt has: a safety belt part that penetrates the seat back seat part, a buckle that is arranged at one end of the safety belt part and engages with the infant safety belt, and is arranged at the other end of the safety belt part and makes the safety belt The adjustment frame body in which the belt part is locked with the seat back seat part, the adjustment frame body has at least three ribs, the rib on the outside of the adjustment frame body has a cutout part, and the other end of the safety belt part is fixed on the side of the rib with the cutout part. On the second and subsequent ribs from the rib on the outer side.

According to such a configuration, a child seat whose seat belt length can be adjusted can be manufactured at low cost, and the length of the seat belt drawn from the seat can be easily adjusted, and the adjustment frame can be installed in a very small space.

The child seat according to the present invention is characterized in that the seat back seat portion has a holding portion that detachably holds the adjustment frame on the lower surface of the bottom.

The child seat according to the present invention is characterized in that the adjustment frame has four ribs.

The child seat according to the present invention is characterized in that the other outer rib has a notch.

According to such a configuration, even if the adjustment frame is rotated half a turn or more, the length of the seat belt portion drawn out from the seat portion (or the seat back seat portion) can be flexibly adjusted step by step. As a result, the length of the seat belt portion drawn out from the seat portion (or the seat back seat portion) can be more flexibly adjusted according to the physique of the infant.

The child seat according to the present invention is characterized in that the adjustment frame is made of metal.

According to such a configuration, the adjustment frame can have sufficient durability.

According to the present invention, by adopting the following adjustment frame body, the adjustment frame body locks the seat belt part and the seat part, and has at least three ribs, one rib on the outside has a cutout part, and the other end of the seat belt part is fixed on the seat part. A child seat that can adjust the length of the thigh belt at low cost and space-saving can be provided on the second and subsequent ribs from the outer side rib having the cutout portion.

Description of drawings

FIG. 1 is a perspective view showing a first embodiment of a child seat of the present invention.

Fig. 2 is a configuration diagram showing a state in which the length of the lap belt is shortened in the first embodiment of the child seat of the present invention.

Fig. 3 is a configuration diagram showing a state in which the length of the lap belt is increased in the first embodiment of the child seat of the present invention.

Fig. 4 is a plan view showing an adjustment frame in the first embodiment of the child seat of the present invention.

Fig. 5 is a side cross-sectional view showing a state in which the length of the lap belt changes from a shortened state to a lengthened state in the first embodiment of the child seat according to the present invention.

Fig. 6 is a perspective view showing a modified example of the first embodiment of the child seat of the present invention.

7 is a perspective view showing a seat back of a modified example of the first embodiment of the child seat of the present invention.

8 is a perspective view showing a bottom lower surface of a seat back seat portion of a modified example of the first embodiment of the child seat according to the present invention.

Fig. 9 is a plan view showing an adjustment frame in a second embodiment of the child seat of the present invention.

Fig. 10 is a perspective view showing a conventional child seat.

Detailed ways

first embodiment

Next, a first embodiment of the child seat of the present invention will be described with reference to the drawings. Here, Figs. 1 to 8(a) and (b) are diagrams showing a first embodiment of the present invention.

As shown in FIG. 1 , a child seat 40 mounted on a vehicle seat has: a back 41; a seat portion 42; an infant safety belt 39 including a lap belt portion 36 and a shoulder belt portion 37; The lap belt 30 is pulled out from the opening 45 of the opening 42 (see FIG. 2( b ) and FIG. 3( b )). In addition, the child seat 40 is fixed to the vehicle by a seat belt (not shown) of the vehicle.

Wherein, as shown in Fig. 1, Fig. 2 (a) (b) and Fig. 3 (a) (b), the thigh safety belt 30 has: a safety belt portion 31 passing through the seat portion 42; (one end) and the buckle 35 engaged with the safety belt 39 for children;

Wherein, the adjustment frame body 10 is shown in Fig. 2 (a) (b) ~ Fig. 4, has: 4 parallel ribs (rib) 11, 12, 13, 15; The connection frame 19 extending from both ends of the frame 15. And, the outer side parallel rib 15 (hereinafter referred to as "the first notch rib 15") of the adjustment frame 10 has a notch 18, and the other end of the safety belt part 31 is fixed on the first notch with the notch 18. On the second parallel rib 12 from the rib 15 (hereinafter referred to as "base point rib 12"). In addition, the adjustment frame 10 is made of metal. Fig. 2(b) is a cross-sectional view cut along line B1-B1 in Fig. 2(a), and Fig. 3(b) is a cross-sectional view cut along line B2-B2 in Fig. 3(a).

In addition, as shown in FIG. 1 , one end of the child safety belt 39 on the lap belt portion 36 side is fixed to the seat portion 42 , and the other end of the child safety belt 39 on the shoulder belt portion 37 side passes through the seat belt of the back 41 . The holes 44 are led out to the back side of the back 41 . And, the other end of the child safety belt 39 is provided with a safety belt adjustment accessory (not shown), through which the length of the child safety belt 39 can be adjusted.

And, as shown in Fig. 2 (a) and Fig. 3 (a), the seat portion 42 has a retainer (holding portion) 20 on the lower surface of the bottom, which can detachably align the connection frame 19 located on the periphery of the adjustment frame body 10. and the parallel ribs 11 (see FIG. 2( a )), or the connection frame 19 and the first notch rib 15 (see FIG. 3( a )) located on the periphery of the adjustment frame body 10 are held.

Moreover, the opening part 45 provided in the seat part 42 has the shape extended in the width direction of the seat belt part 31, and the seat belt part 31 passes through (refer FIG.2(b) and FIG.3(b)).

Next, the action of the present embodiment having such a configuration will be described.

As shown in FIG. 2( a ) and FIG. 3( a ), the adjustment frame 10 is provided at the lower end of the seat belt portion 31 of the lap belt 30 . This adjustment frame 10 is used when adjusting the length of the belt portion 31 of the lap belt 30 drawn out from the seat portion 42 as will be described later.

First, the case where the length of the belt portion 31 of the lap belt 30 pulled out from the seat portion 42 is shortened will be described using FIGS. 2( a ) ( b ).

When wanting to shorten the length of the safety belt part 31 of the thigh safety belt 30 drawn from the seat part 42, as shown in Figure 2 (a) (b), as long as the safety belt part 31 is wound around the adjustment rib 13, the It only needs to pass through the opening 45 and be drawn out from the seat 42 . At this time, the webbing portion 31 is wound around the parallel rib 13 (hereinafter referred to as “adjustment rib 13 ”) between the base point rib 12 and the first notch rib 15 .

Next, a method for changing the length of the belt portion 31 of the lap belt 30 drawn out from the seat portion 42 from the short state to the long state will be described.

First, the adjustment frame 10 is removed from the holder 20 (see FIG. 5( a )). Next, the adjustment frame body 10 is rotated by 180° (see FIG. 5( b ) (c) ). At this time, the webbing portion 31 passes through the notch portion 18 provided in the first notch rib 15 (see FIG. 5(b)(c)). Finally, the adjustment frame 10 is attached to the holder 20 (see FIG. 5( d )).

5( a ) to ( d ) correspond to cross-sectional views taken along line V-V of FIG. 2( a ) and FIG. 3( a ). In addition, in FIG.5(a)-(d), only the adjustment frame 10, the retainer 20, and the seat belt part 31 are shown for convenience of description.

In this way, when the length of the seat belt portion 31 of the thigh seat belt 30 drawn out from the seat portion 42 becomes longer, the seat belt portion 31 is not wound around the adjustment rib 13, but directly passes through the opening portion 45 from the base point rib 12, The seat part 42 is pulled out (refer FIG.3(a),(b) and FIG.5(d)).

As described above, when it is desired to shorten the length of the seat belt portion 31 pulled out from the seat portion 42, it is only necessary to wind the seat belt portion 31 around the adjustment rib 13 and then make it pass through the opening portion 45 and pull it out from the seat portion 42. (Refer to Fig. 2 (a) (b)), on the other hand, when wanting to lengthen the length of the safety belt portion 31 drawn out from the seat portion 42, as long as the safety belt portion 31 is not wound around the adjustment rib 13, the It just needs to be drawn directly from the base point rib 12 through the opening 45 and from the seat 42 (see FIG. 3(a)(b)).

And, when adjusting the length of the seat belt portion 31 of the lap belt 30 drawn out from the seat portion 42 by making the seat belt portion 31 wind or not wrap around the adjustment rib 13 in this way, the seat belt portion of the lap belt 30 will 31 passes through the notch portion 18 provided in the first notch rib 15 .

Thus, according to the present invention, the length of the seat belt portion 31 drawn out from the seat portion 42 can be easily adjusted only by rotating the adjustment frame 10 . Furthermore, since the configuration of the adjustment frame 10 is extremely simple, the child seat 40 in which the length of the seat belt portion 31 can be adjusted can be manufactured at low cost. Furthermore, since the adjustment frame 10 is very small, there is hardly any extra space for installing the adjustment frame 10 .

When the adjustment frame body 10 is fixed to the bottom lower surface of the seat portion 42, the adjustment frame body 10, as shown in FIG. , or as shown in FIG. 3( a ), the connection frame 19 and the first notch rib 15 located at the periphery of the adjustment frame body 10 are held by the holder 20 . In this way, since the peripheral edge of the adjustment frame body 10 is held on the bottom bottom surface of the seat portion 42 , the adjustment frame body 10 can be held stably with respect to the seat portion 42 .

And, as shown in Figure 3 (a) (b), the safety belt portion 31 extends from the central point rib 12 positioned at the center of the adjustment frame 10, and draws out to the upper surface side of the seat portion 42; or as shown in Figure 2 (a) (b) ) , after being wound up to the adjustment rib 13 positioned at the center of the adjustment frame 10 , it is extended and drawn out to the upper surface side of the seat portion 42 . Therefore, since the force applied to the seat belt portion 31 by infants is applied to the area of the adjustment frame 10 located in the center of the adjustment frame 10, it is possible to prevent the force from being applied to the seat belt portion 31 so that the adjustment frame 10 faces the adjustment frame 10. The case where the seat portion 42 rotates and moves.

In addition, a position adjustment mechanism (not shown) capable of freely adjusting the distance D between the adjustment rib 13 and the base point rib 12 may be provided (see FIG. 4 ). In this way, by freely adjusting the distance D between the adjustment rib 13 and the base point rib 12, the length of the safety belt portion 31 drawn out from the seat portion 42 can be finely adjusted according to the physique of the infant.

In addition, in order to ensure sufficient durability, it is preferable that the adjustment frame body 10 is made of metal.

In the above-mentioned embodiment, it is illustrated that the adjustment frame body 10 has four parallel ribs 11, 12, 13, 15, and the other end of the safety belt part 31 is fixed on the second parallel rib 15 counted from the first notch rib. In the case of the rib 12, it is not limited thereto, and the adjustment frame body 10 may have more than five parallel ribs, and the other end of the safety belt portion 31 is fixed at the third rib 15 counting from the first notch. After the first (third, fourth, etc.) adjustment frame 10 of parallel ribs.

In addition, the above-mentioned adjustment frame body 10 can also be applied to the separable infant seat 40 shown in FIG. 6 (a) (b).

This separate child seat 40 is shown in Figure 6(a)(b) and Figure 7, including: The base 60 which is placed on the vehicle seat 70 and has the base back 61 and the base back 62; the seat back 51 and the seat back seat 52 which are detachably placed on the base 60; including the lap belt 36 and the child safety belt 39 of the shoulder belt portion 37; and the lap belt 30 drawn out from the seat back seat portion 52 through an opening (not shown).

8( a ) corresponds to FIG. 2( a ) shown in the first embodiment, and FIG. 8( b ) corresponds to FIG. 3( a ) shown in the first embodiment. Furthermore, the forward state is a state directed forward in the direction of travel of the vehicle (see FIG. 6( a )), and the rearward state is a state directed backward in the direction of travel of the vehicle (see FIG. 6( b )).

In addition, the adjustment frame 10 is held by a holder (holding portion) 20 on the bottom lower surface of the seat back seat portion 52 as shown in FIGS. 8( a ) ( b ). Furthermore, as shown in FIGS. 7 and 8( a ) ( b ), the seat belt portion 31 of the lap belt 30 penetrates the seat back seat portion 52 . In addition, the base body 60 is fixed to a vehicle seat 70 via a vehicle seat belt (not shown).

In addition, as shown in FIG. 7 , one end of the child safety belt 39 on the lap belt portion 36 side is fixed to the seat back seat portion 52 , and the other end of the child safety belt 39 on the shoulder belt portion 37 side passes through the seat back 51 . The seat belt is drawn out to the back side of the seat back 51 through the hole 54 . Moreover, the other end of the child safety belt 39 is provided with a safety belt adjustment accessory (not shown), through which the length of the child safety belt 39 can be adjusted.

second embodiment

Next, a second embodiment of the present invention will be described with reference to FIG. 9 . In the second embodiment shown in FIG. 9 , the other parallel rib on the outside of the adjustment frame 10 (hereinafter referred to as “second notch rib 11 ”) has a notch portion 28 , and the others are the same as those shown in FIGS. 1 to 8( a ) ( The first embodiment shown in b) is substantially the same.

In the second embodiment shown in FIG. 9 , the same parts as those in the first embodiment shown in FIGS. 1 to 8( a ) and ( b ) are assigned the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 9 , both the first notch rib 15 and the second notch rib 11 located outside the adjustment frame 10 in this embodiment have notch portions 18 and 28 . Therefore, even if the adjustment frame body 10 is rotated by 180° or more (for example, 360°, 540°, etc.), the seat belt portion 31 can be sequentially wound around the adjustment rib 13 and the base point rib 12 . Thereby, the length of the belt portion 31 of the lap belt 30 drawn out from the seat portion 42 (or the seat back seat portion 52 ) can be flexibly adjusted in multiple stages. Therefore, the length of the seat belt portion 31 drawn out from the seat portion 42 (or the seat back seat portion 52 ) can be more flexibly adjusted according to the physique of the infant.

Claims (7)

1. A child seat, which is mounted on a vehicle seat, has: a back, a seat portion, an infant safety belt including a waist safety belt portion and a shoulder safety belt portion, and a thigh safety belt drawn from the seat portion, characterized in is that The thigh seat belt has: a seat belt part that passes through the seat part, a buckle provided at one end of the seat belt part and engaged with the infant seat belt, and provided at the other end of the seat belt part to lock the seat part and the seat part the adjustment frame, The adjustment frame has at least three ribs, The outside rib of the adjustment frame has a notch part, The other end of the webbing portion is fixed to the second and subsequent ribs counted from the outer rib having the notch. 2. The child seat according to claim 1, characterized in that, The seat portion has a holding portion for detachably holding the adjustment frame on the lower surface of the bottom. 3. A child seat mounted on a vehicle seat, characterized in that: include: The base can be placed on the vehicle seat in a forward state and a rearward state, and has a base back and a base seat; The seat back is detachably mounted on the base body, and has the back of the seat back, the seat of the seat back, an infant safety belt including a lap belt and a shoulder belt, and thighs extending from the seat of the seat back seat belt; The thigh seat belt has: a seat belt part penetrating through the seat back seat part, a buckle provided at one end of the seat belt part and engaged with the infant seat belt, and provided at the other end of the seat belt part so as to connect the seat belt part with the seat belt. The adjustment frame that locks the seat back seat, The adjustment frame has at least three ribs, The outside rib of the adjustment frame has a notch part, The other end of the webbing portion is fixed to the second and subsequent ribs counted from the outer rib having the notch. 4. The child seat according to claim 3, characterized in that, The seat back seat portion has a holding portion that detachably holds the adjustment frame on the lower surface of the bottom. 5. The child seat according to claim 1 or 3, characterized in that, The adjustment frame has 4 ribs. 6. The child seat according to claim 5, characterized in that, The other outer rib has a notch. 7. The child seat according to claim 1 or 3, characterized in that, The adjustment frame is made of metal.

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