JPH10100760A - Rotary child seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a child seat which can suppress low the position of the bottom part of a seat body and can set the seat belt threading level as high as to suit the level of a fixation buckle on the seat side in case the pedestal is of such a type as secured to the seat by the seat belt. SOLUTION: This rotary child seat includes a seat rotary mechanism 23 in which a seat body 19 is rotatingly coupled with a pedestal 15 fixed to the seat 12 by a seat belt 13 and which is equipped with a large diametric rotary ring 27 admitting drop of the central part of the undersurface 17a approx. in the form of spherical shell of the bottom part 17 of the seat body 19 and a coupling means to couple the rotary ring 27 with the pedestal 15 rotatably, and thereby the dimension over the height is reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a revolving type child seat which is mounted on a vehicle or the like in order to safely restrain a baby or the like riding on the vehicle or the like on the seat.

[0002]

2. Description of the Related Art A seat of a vehicle or the like is usually designed for an adult, and when an infant sits there, a seat belt provided on the seat cannot properly restrain the seat.
Therefore, various child seats have been developed that provide a baby seat that can be properly restrained by being mounted on an adult seat. This child seat is configured to be installed on the seat with a seat belt equipped on an adult seat, and various measures have been taken to improve the safety and comfort of the seated baby and to improve the handling. It is elaborated.

FIG. 9 and FIG. 10 show a conventional child seat. The child seat 1 shown here is what is called a revolving type child seat, and has a seat belt insertion portion 2a through which a seat belt mounted on a seat of a vehicle or the like is inserted. A seat body 3 integrally formed with a pedestal 2 fixed to the seat, a seat portion 3a on which the infant sits, and a back portion 3b for supporting the infant sitting on the seat portion 3a from the back side.
A restraining belt 4 mounted on the seat body 3 for restraining an infant sitting on the seat body 3; and a seat rotating mechanism 5 for rotatably connecting the seat body 3 to the pedestal 2.
And a reclining mechanism 6 for connecting the seat body 3 to the pedestal 2 in a tiltable manner.

[0004] Here, the seat turning mechanism 5 is mounted on the pedestal 2.
And a turntable lever 8 for fixing the turntable 7 to the pedestal 2 at a predetermined rotation position. In addition, the reclining mechanism 6 is provided with a rail 9 extending in the front-rear direction on the lower surface of the seat portion 3a of the seat body 3, and is fixedly mounted on the turntable 7 and slides the rail 9 in the front-rear direction. The configuration includes a rail supporting member 10 that is freely supported, and a sliding fixing member (not shown) that fixes the rail 9 to the rail supporting member 10 at a predetermined sliding position. The rail 9
When the rail 9 slides, the seat body 3 swings about the center of curvature of the rail 9 as a center of rotation, and the inclination of the seat body 3 changes.

In the child seat 1 described above, the tilt of the seat body 3 can be adjusted by the reclining mechanism 6 so that the baby can sit in a comfortable posture, and the seat body 3 is moved by the seat turning mechanism 5 to the side of the automobile door. By setting the sideways sideways, convenience such as that the operation of getting the infant into and out of the seat body 3 becomes easy can be obtained.

[0006]

However, in the above-described child seat 1, the reclining mechanism 6 overlaps the seat turning mechanism 5, and the seat body 3 also overlaps the reclining mechanism 6, so that the seat 3a There was a problem that the position became high. When the position of the seat portion 3a is increased, the center of gravity of the infant sitting there is also increased, which poses a danger that the moment applied to the infant who is seated during acceleration or braking of the vehicle is increased.
Also, to withstand such a large moment,
It is necessary to take measures such as increasing the thickness of the parts used, and as a result, the weight is increased, which may be disadvantageous.

In order to achieve safe restraint by the seat belt, it is preferable that the seat belt worn by the occupant is locked while passing over the lumbar bone of the occupant. Therefore, the height position of the fixing buckle for fixing the end portion of the seat belt is set so that the seat belt can be locked at an ideal position if an adult properly sits on the seat. However, in the above-mentioned child seat 1, the installation position of the seat belt insertion portion 2a is considerably low due to the structure of the seat turning mechanism 5, and the insertion height of the seat belt is reduced by the installation height of the fixing buckle. Therefore, the fixing of the pedestal 2 to the seat may become unstable.

Accordingly, an object of the present invention is to solve the above-mentioned problems, and a swivel type child seat provided with a seat turning mechanism and a reclining mechanism, in which the position of a seat portion of a seat body can be suppressed to a low level. Moment acting on the infant during acceleration of the vehicle can be reduced to improve safety.In a pedestal that is fixed to a seat of a vehicle or the like with a seat belt, the seat belt insertion height is set to Provided is a swivel type child seat which can be set at a high position corresponding to the height position of a fixing buckle mounted on a side and can prevent the pedestal from being unstablely fixed to the seat. It is.

[0009]

A revolving type child seat according to the present invention is mounted on a seat of a vehicle or the like, and a pedestal fixed to the seat by a seat belt mounted on the seat, and an infant sits thereon. A seat body integrally formed with a seat portion and a back portion for supporting the baby sitting on the seat from the back side; a restraint belt provided on the seat body to restrain the baby sitting on the seat body; A swivel type child seat comprising: a seat turning mechanism that pivotally connects a main body to the pedestal; and a reclining mechanism that tiltably connects the seat main body to the pedestal. The seat swivel mechanism has a large-diameter ring-shaped swivel ring in which the center of the substantially spherical shell-shaped lower surface of the seat body seat can be dropped, and the swivel ring is rotated. And connecting means for connecting said pedestal standing, and that a pivoting fixing means for fixing the rotation of the revolving ring configuration for the coupling means.

The seat belt insertion height position on the pedestal is set within a range that does not exceed the value of the vertical distance at which the center of the substantially spherical shell-shaped lower surface of the seat falls into the swivel ring. By increasing the height, the seat belt is more securely fixed to the seat by the seat belt. Further, the reclining mechanism has an arc shape along the substantially spherical shell-shaped lower surface of the seat portion of the seat body, and is fixed to the lower surface of the seat portion so as to cross the center of the lower surface of the seat portion in the front-rear direction. A configuration comprising: a rail; rail guide means attached to the swing ring to slidably grip the rail; and angle fixing means for stopping sliding of the rail to fix the seat body at a predetermined inclination angle. And

According to another embodiment of the present invention, there is provided a turning type child seat, wherein a connecting means of a seat turning mechanism is provided with a link-shaped bush having a groove in which a connecting flange provided on the turning ring is slidably fitted. And a bush fixing fitting for fixing the bush to the pedestal, and by connecting a plurality of circumferentially spaced portions of the connecting flange of the turning ring to the pedestal via the bush, The swivel ring is rotatably connected to the pedestal.

Further, the revolving child seat is
An angle fixing means of the reclining mechanism is provided at a central portion near the front edge of the seat portion of the seat body, and in order to release the state in which the slide of the rail is stopped, first of all, as an operation of the release lever, A first operation of pulling in a horizontal direction in front of the infant sitting on the part with a force that cannot be moved by a force from the sitting position of the infant, and a second operation of lifting upward in a pulled state. The configuration requires two-stage operation.

With the above-described structure, the center of the substantially spherical shell-shaped lower surface of the seat portion of the seat body and a part of the rail of the reclining mechanism attached to the lower surface of the seat portion can be used. It falls into the center space of the pivot ring of the pivot mechanism, and the position of the seat portion of the seat body can be kept low by the amount of the fall, thereby lowering the height position of the infant sitting on the seat body. As a result, the moment acting on the infant during acceleration of the vehicle or the like can be reduced and safety can be improved.

The seat turning mechanism includes a ring-shaped turning ring and a connecting means for connecting the turning ring to the pedestal, so that the weight is reduced as compared with a conventional one using a rotating disk. be able to. In addition, the swivel ring of the seat swivel mechanism can increase the diameter of the lower surface of the seat part of the seat body and a part of the rail of the reclining mechanism by increasing the diameter, thereby lowering the position of the seat part of the seat body. The height of the seat swivel mechanism can be increased while suppressing it, and the height of the seat swivel mechanism can be increased, so that the seat belt insertion height on the pedestal can be fixed to the seat buckle. Can be set at a high position that matches the height position of the seat, and it is possible to prevent the fixing of the pedestal to the seat by the seat belt from becoming unstable. The swivel ring of the seat swivel mechanism, which has a large-diameter ring shape, is connected to the pedestal at a plurality of locations on its circumference, and the connection points to the pedestal are dispersed in a large-diameter circumferential shape. Is stable, and the connection is stable with little play during braking or the like. Further, since the large-diameter ring-shaped slewing ring is connected at a plurality of locations, it is possible to absorb a dimensional error or the like generated in the slewing ring by adjusting the mounting position of each connecting means or the like. Smooth turning performance can be ensured regardless of the dimensional error and the like.

The central portion of the seat body near the front edge of the seat is exposed between the feet of the seated infant even when the infant sits on the seat body and is not hidden. If the seat body of the seat body is provided with the angle fixing means of the reclining mechanism at the center near the front edge of the seat as in the present invention, the angle fixing means is exposed at a position that is easily visible, and Easy to do. Moreover, the angle fixing means requires a two-stage operation as an operation of the release lever in order to release the state in which the slide of the rail is stopped. Can be prevented, and both operability and safety of the reclining mechanism can be achieved. In particular, the two-step operation is also difficult for an infant sitting on the seat to operate (1) With a force that cannot be moved by the force from the sitting position of the infant, and in a horizontal direction (not forward). A first operation to pull;
(2) Next, since the second operation of lifting up (instead of downward) the pulling state consists of an operation that is extremely unnatural and impossible for a baby sitting, the baby can sit down. It cannot be released by any mischief or accidental movement from the position where it was placed.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. FIGS. 1 to 8 show one embodiment of a revolving type child seat according to the present invention. FIG. 1 shows a revolving type child seat 11 as a first embodiment of the present invention.
FIG. 2 is a vertical cross-sectional view of a revolving type child seat 11 according to one embodiment of the present invention, and FIG. 3 is a pedestal of the revolving type child seat 11 of one embodiment of the present invention. FIG. 4 is a plan view showing a reclining mechanism mounted on a pedestal in a revolving type child seat 11 according to an embodiment of the present invention, and FIG. 5 is an enlarged view of a portion A in FIG. FIG. 6 is a sectional view taken along line BB in FIG.
7 is a sectional view taken along the line CC in FIG. 3, and FIG.
FIG. 4 is a sectional view taken along line DD in FIG.

The revolving type child seat 11 of this embodiment is mounted on a seat 12 of a vehicle or the like and is fixed to the seat 12 by a seat belt 13 provided on the seat 12, Seat 1 where the person sits
7, a seat body 19 integrally formed with a back portion 18 for supporting the infant sitting on the seat portion 17 from the back side, and a restraint belt provided on the seat body 19 for restraining the infant sitting on the seat body 19 21 and a seat pivoting mechanism 23 for pivotally connecting the seat body 19 to the pedestal 15
And a reclining mechanism 25 for connecting the seat body 19 to the pedestal 15 in a tiltable manner.

The seat turning mechanism 23 is shown in FIGS.
And the seat 17 of the seat body 19 as shown in FIG.
A large-diameter ring-shaped swivel ring 27 into which the center of the substantially spherical shell-shaped lower surface 17a can be dropped;
Connecting means 28 for rotatably connecting to the base 15;
And a rotation fixing means 29 for fixing the rotation of the rotation ring 27 with respect to the connecting means 28.

The connecting means 28 of the seat turning mechanism 23 includes a groove 3 into which a connecting flange 27a provided over the entire periphery of the lower edge of the turning ring 27 is slidably fitted.
The bush 30 has a piece-shaped bush 30 having Oa, and a bush fixing bracket 32 for fixing the bush 30 to the base 15. As shown in FIG. 3, bushes 30 are mounted on the pedestal 15 at a plurality of locations (six locations in the figure) on the circumference along the connecting flange 27a of the swivel ring 27. The swivel ring 27 is rotatably connected to the pedestal 15 by screwing the bush 30 to the pedestal 15 via a bush fixing bracket 32.

The bush 30 is made of a resin material having a small sliding resistance and a suitable abrasion resistance and mechanical strength so that the metal swivel ring 27 can slide smoothly and quietly. Although it is a molded product, it can be formed of metal or the like. The bush fixing bracket 32 is fixed to the pedestal 15 by a screw member 34, as shown in FIG. The bush fixing bracket 32 includes a ring-shaped lower flange portion 32a screwed to the pedestal 15 by a screw member 34, and a plurality of bush holding portions 32b protruding from the lower flange portion 32a. ing. In addition, the bush suppressing part 32b may be ring-shaped.

As shown in FIG. 7, the turning fixing means 29 has an engaging hole 27c formed through the turning ring 27.
A locking piece 35 supported by the pedestal 15 inside the turning ring 27 so as to be movable in the radial direction of the turning ring 27, and connected to one end of the locking piece 35 to move the locking piece 35 in the radial direction. A push button 36 serving as an operation unit to be moved, and the push button 3
6 is provided with a biasing means (not shown) for biasing the locking piece 6 radially outward. When the push button 36 is pushed out to the maximum by the biasing means, the tip of the locking piece 35 is The rotation ring 27 is prevented from rotating by being fitted into the engagement hole 27c. Therefore, when the push button 36 is pressed in the direction of the arrow (a) in FIG. 7 and the locking piece 35 is pushed inward in the radial direction shown by the arrow (c), the tip of the locking piece 35 is The swing ring 27 comes out of the position 27c and becomes freely swingable. The engagement holes 27c are provided at several positions in the circumferential direction of the turning ring 27 so that the seat body 19 can be fixed in a state where the seat body 19 is turned forward or turned sideways. Further, in the case of this embodiment, the mounting position of the push button 36 is set at a position slightly closer to the left side of the front portion of the pedestal 15 as shown in FIG.

As shown in FIG. 7, in the above-described seat turning mechanism 23, a flange portion 27d is provided above the turning ring 27 so as to protrude obliquely in the outer diameter direction. The flange portion 27d comes into surface contact with the outer peripheral edge of the lower surface of the seat portion 17 of the seat body 19 when the seat body 19 rattles by a certain amount or more due to a moment or the like applied during braking so that the seat body 19 is supported. , Extension angle and length are set.

As shown in FIG. 2, the reclining mechanism 25 has an arc shape along the substantially spherical shell-shaped lower surface 17a of the seat portion 17 of the seat body 19, and the center of the lower surface of the seat portion 17 in the front-rear direction. A rail 37 fixed to the lower surface of the seat portion 17 so as to cross the rail; rail guide means 38 attached to the swing ring 27 to slidably hold the rail 37; And angle fixing means 39 for stopping the slide of the rail 37 in order to fix the rail.

As shown in FIGS. 2 and 4, the rail 37 is provided with a screw member 4 on a resin shell 19a which is a structural member for providing the structure of the lower surface and the back surface of the seat body 19.
1, 42 and so on. This rail 3
Reference numeral 7 denotes a flange portion 37a whose both side edges are slidably held by the rail guide means 38. The curvature of the rail 37 depends on the seat turning mechanism 23.
Is set such that the center of curvature O is located on the turning center axis Q of the seat body 19.

As shown in FIG. 6, the rail guide means 38 includes a bush 44 of a predetermined length having a groove 44a into which the flange 37a is slidably fitted.
The bush 44 includes a bush fixing bracket 45 for fixing the bush 44. As shown in FIG. 2, the bush 44 is provided at a position where the turning ring 27 intersects with the rail 37 near the front end of the seat and at a position where the turning ring 27 intersects with the rail 37 near the rear end of the seat. Two positions. The bush fixing bracket 45 includes:
It is provided with a substantially U-shaped bush holding portion 45a for holding the bush 44 on both sides, and extends along the rail 37. Both ends are connected to the flange portion 27d of the turning ring 27 by a screw member 47. By fixing, it is integrated with the turning ring 27.

The bush 44 is made of a metal rail 37.
It is a resin molded product with low sliding resistance and moderate abrasion resistance and mechanical strength so that it can slide smoothly and quietly. Can also.

Angle fixing means 3 of reclining mechanism 25
Numeral 9 is provided at a central portion of the seat body 19 near the front edge of the seat portion 17, and as shown in FIG.
And a pin portion 49a that fits in a long hole 48a extending in the front-rear direction formed in the support bracket 48, and is supported movably in the extending direction of the long hole 48a. Release lever 49 and pin 49
The spring member 50 for urging the release lever 49 so that the release lever 49 a comes into contact with the rear end of the long hole 48a, and the release is performed when the release lever 49 is rotated upward about the pin 49a. A lock lever 51 that is rotated by the tip of the lever 49 is provided.

The support bracket 48 is provided with a pressing portion for restricting the upward rotation of the release lever 49. The restriction by the holding portion is performed until the pin portion 49a comes into contact with the front end of the long hole 48a.
When you pull out the front, it is released. Accordingly, the release lever 49 is rotatable upward when a finger is hooked on the bent portion 49b at the distal end and pulled out a predetermined amount in the forward direction (the direction of the arrow (b) in FIG. 5) against the spring member 50. Become.

As shown in FIGS. 2 and 8, the lock lever 51 has a pin portion 51a rotatably supported by the rail 37 and an arm portion abutting on the lower surface of the distal end of the release lever 49. 51b and a lock piece 51c fitted in a lock hole 45c formed through the bush fixing bracket 45.
And a spring member 54 for urging the lock lever 51 so that the lock piece 51c is kept fitted in the lock hole 45c.

In the above angle fixing means 39, when the release lever 49 is pulled out forward by a predetermined amount and then the release lever 49 is rotated upward, a two-step operation is performed. The arm 5
When 1b is depressed, the lock lever 51 rotates counterclockwise in FIG. 2, and the lock piece 51c is disengaged from the lock hole 45c, so that the rail 37 is slidable. When the finger is released from the release lever 49 while the rail 37 is slid by an arbitrary amount, the release lever 49 and the lock lever 51 try to return to the original state by the spring members 50 and 54, and the rail 37 is kept as it is. If it slides, when the position of the lock piece 51c and the lock hole 45c match,
The lock piece 51c fits into the lock hole 45c, and the rail 3
7 is fixed to the bush fixing bracket 45.

The lock holes 45c are provided at three positions at appropriate intervals in the front-rear direction, whereby the inclination of the seat body 19 can be changed in three stages in the angle fixing means 39 of this embodiment.

In the revolving type child seat 11 of this embodiment, as shown in FIG.
3, the inclination of the turning center axis Q of the seat turning mechanism 23 is adjusted so that the included angle θ between the plane on which the seat body 19 turns and the seat surface of the seat 12 of the vehicle or the like is about 15 °. I have. The seat surface 12a of the seat 12 of the vehicle or the like is generally inclined at about 15 ° with respect to the horizontal plane. If the above-described included angle θ is set, the revolving type child seat 11 installed on the seat 12 is set. Then, the seat turning mechanism 23
Of the seat body 19 is substantially horizontal, and the seat body 19 is turned sideways for getting on and off.
The infants on board do not lean and the getting on and off work becomes easy.

In the revolving type child seat 11 of the above embodiment, the center of the substantially spherical shell-shaped lower surface 17a of the seat 17 of the seat body 19 and the rail 37 of the reclining mechanism 25 attached to the lower surface of the seat 17 are provided. Part of the seat body 19 falls into the central space of the swivel ring 27 of the seat swing mechanism 23, and the position of the seat 17 of the seat body 19 can be kept low by the amount of the fall, whereby the seat body 19 It is possible to lower the height position of the baby sitting on the vehicle, and to reduce the moment acting on the baby when the vehicle is accelerating or the like, thereby improving safety.

The seat swivel mechanism 23 includes a ring-shaped swivel ring 27 and a connecting means 28 for connecting the swivel ring 27 to the pedestal 15. Compared to a conventional one using a rotating disk, Thus, the weight can be reduced.

The turning ring 2 of the seat turning mechanism 23
7 can increase the amount of drop of the lower surface of the seat portion 17 of the seat body 19 and a part of the rail 37 of the reclining mechanism 25 due to the increase in diameter.
7, the height of the seat pivoting mechanism 23 can be increased, and the height of the seat pivoting mechanism 23 can be increased, as shown in FIG. The insertion height of the belt 13 can be set to a high position corresponding to the height position of the fixing buckle 60 provided on the seat 12 side, and the fixing of the pedestal 15 to the seat 12 by the seat belt 13 becomes unstable. Can be prevented.

The swivel ring 27 of the large-diameter ring-shaped seat swivel mechanism 23 is connected to the pedestal 15 at a plurality of locations on its circumference via connecting means 28, and the connection point to the pedestal 15 is changed. Since the swirling ring 27 is dispersed in a circumferential shape with a large diameter, the connection of the turning ring 27 to the pedestal 15 is firm, and a stable connection in which rattling does not occur during braking or the like is achieved. And, in order to connect the swivel ring 27 having a large diameter ring shape at a plurality of locations,
The swivel ring 27 is provided by the bush 30 at each connection point.
Can be absorbed, and smooth turning performance can be ensured irrespective of the dimensional error etc. generated in the swivel ring 27.

Further, in this embodiment, the seat body 19 is rattled to a certain degree or more due to a moment or the like acting upon braking of the vehicle on the upper part of the large-diameter turning ring 27 used in the seat turning mechanism 23. In addition, since a flange portion 27d that contacts the lower surface of the seat body 19 and supports the seat body 19 is provided, rattling and shaking generated in the seat body 19 can be reduced.

The central portion of the seat body 19 near the front edge of the seat portion 17 can be used even when an infant sits on the seat body 19.
It is a part exposed between the feet of a sitting baby and does not hide. Therefore, as in one embodiment, the sheet body 19
The reclining mechanism 2 is located at the center of the seat 17 near the front edge.
If the angle fixing means 39 is provided with the fifth angle fixing means 39, the angle fixing means 39 is exposed at a position where the angle fixing means 39 is easily visible, and the operation is easy. In addition, the angle fixing means 39 is configured to require a two-step operation as an operation of the release lever for releasing the state in which the slide of the rail 37 is stopped. This can prevent the operability and safety of the reclining mechanism 25.

[0039]

As described above, the swivel type child seat of the present invention has a center portion of the substantially spherical shell-shaped lower surface of the seat portion of the seat body and a part of the rail of the reclining mechanism attached to the lower surface of the seat portion. Falls into the center space of the swivel ring of the seat swivel mechanism, and the position of the seat portion of the seat body can be kept low by the amount of the drop, thereby reducing the height position of the baby sitting on the seat body. As a result, the moment acting on the infant during acceleration of the vehicle can be reduced and safety can be improved.

Further, the seat swivel mechanism is provided with a ring-shaped swivel ring and connecting means for connecting the swivel ring to the pedestal, so that the weight is reduced as compared with the conventional one using a rotating disk. Further, the swivel ring of the seat swivel mechanism can be increased in diameter to increase the lowering amount of the lower surface of the seat part of the seat body and a part of the rail of the reclining mechanism. The height of the seat turning mechanism can be increased while the position of the seat turning mechanism is kept low.
The insertion height of the seat belt on the pedestal can be set to a high position that matches the height of the fixing buckle provided on the seat side, and the seat belt is unstablely fixed to the seat by the seat belt. Can be prevented.

The swivel ring of the seat swivel mechanism having a large-diameter ring shape is connected to the pedestal at a plurality of locations on the periphery thereof, and the connecting portions to the pedestal are dispersed in a large-diameter circular shape. The connection of the swivel ring to the pedestal is firm and stable, with little play during braking or the like. And, since the swivel ring having a large diameter ring shape is connected at a plurality of locations, a dimensional error or the like caused in the swivel ring can be absorbed by a bush or the like provided at each connection location, and a dimension generated in the swivel ring can be absorbed. Smooth turning performance can be ensured regardless of errors and the like.

Further, the center of the seat body near the front edge of the seat is exposed between the legs of the seated infant even when the infant sits on the seat body, and is not hidden. In the revolving type child seat of the present invention, the angle fixing means of the reclining mechanism is exposed at a position that is easily visible, and is easy to operate. In addition, the angle fixing means can be operated by an extremely difficult operation as described in claim 4 as an operation of a release lever for releasing a state in which the rail has stopped sliding.
Since the configuration requires a step, it is possible to prevent a sitting infant from erroneously operating, and to achieve both operability and safety of the reclining mechanism.

[Brief description of the drawings]

FIG. 1 is an external view showing a state in which a revolving type child seat according to the present invention is attached to a seat of a vehicle or the like according to a first embodiment.

FIG. 2 is a vertical sectional view of the revolving type child seat according to the first embodiment of the present invention.

FIG. 3 is a plan view showing a seat turning mechanism attached to a pedestal in the turning type child seat according to the first embodiment of the present invention.

FIG. 4 is a plan view showing a reclining mechanism attached to a pedestal in the revolving type child seat according to the first embodiment of the present invention.

FIG. 5 is an enlarged view of a portion A in FIG. 2;

FIG. 6 is a sectional view taken along line BB in FIG. 2;

FIG. 7 is a sectional view taken along line CC in FIG. 3;

FIG. 8 is a sectional view taken along line DD in FIG. 5;

FIG. 9 is a perspective view of a conventional swivel type child seat.

FIG. 10 is a longitudinal sectional view of the revolving type child seat shown in FIG. 9;

[Explanation of symbols]

 REFERENCE SIGNS LIST 11 swivel type child seat 12 seat of vehicle 13 seat belt 15 pedestal 17 seat portion 17a bottom surface 18 back portion 19 seat body 19a shell 21 restraint belt 23 seat turning mechanism 25 reclining mechanism 27 turning ring 27a engagement hole 27d flange portion 28 connecting means 29 Swivel fixing means 30 Bush 32 Bush fixing fitting 35 Locking piece 36 Push button 37 Rail 38 Rail guide means 39 Angle fixing means 44 Bush 45 Bush fixing fitting 45c Lock hole 48 Support bracket 49 Release lever 51 Lock lever 51c Lock piece

Claims (4)

[Claims] 1. A pedestal mounted on a seat of a vehicle or the like and fixed to the seat by a seat belt provided on the seat, a seat on which the baby sits, and a baby sitting on the seat. A seat body integrally formed with a back portion supported from the side, a restraint belt provided on the seat body to restrain an infant sitting on the seat body, and a seat pivot for pivotally connecting the seat body to the pedestal Mechanism and
A reclining mechanism for tiltably connecting the seat body to the pedestal, wherein the seat rotating mechanism is configured such that a central portion of a substantially spherical shell-shaped lower surface of a seat portion of the seat body drops. A swivel ring having a large diameter that can be inserted thereinto, connecting means for rotatably connecting the swivel ring to the pedestal, and swivel fixing means for fixing rotation of the swivel ring with respect to the connecting means. A swivel type child seat characterized by the following features. 2. The swivel type child seat according to claim 1, wherein a seat belt insertion height position on the pedestal is lowered into a center portion of a substantially spherical shell-shaped lower surface of the seat portion into the swivel ring. By increasing the height within a range not exceeding the value of the distance in the vertical direction, the fixing of the pedestal to the seat by the seat belt is further stabilized, and the reclining mechanism follows the substantially spherical shell-shaped lower surface of the seat portion of the seat body. A rail having an arc shape and fixed to the lower surface of the seat so as to cross the center of the lower surface of the seat in the front-rear direction; and rail guide means attached to the swivel ring and slidably holding the rail. A turning type child seat, comprising: an angle fixing means for stopping sliding of the rail so as to fix the seat body at a predetermined inclination angle. 3. The swiveling type child seat according to claim 1, wherein the connecting means of the seat turning mechanism has a groove in which a connecting flange provided on the turning ring is slidably fitted. Composing a piece-shaped bush and a bush fixing bracket for fixing the bush to the pedestal, and connecting a plurality of circumferentially spaced portions of the connecting flange of the swivel ring to the pedestal via the bush. Wherein the swivel ring is rotatably connected to a pedestal. 4. The revolving type child seat according to claim 1, wherein the angle fixing means of the reclining mechanism is provided at a central portion near a front edge of a seat portion of the seat body, and To release the state where the rails have stopped sliding, the release lever must be operated by first applying a force that cannot be moved by the baby from the sitting position in the horizontal direction in front of the baby sitting on the seat. And a second operation of pulling up in a pulled state.