JP3201636U - child seat - Google Patents

Abstract

There is provided a child seat in which a rotation mechanism of a support leg can be made compact and have a small number of parts. An approximately L-shaped support leg having an arm portion 52 extending forward from a pedestal 12 and a leg portion extending downward at a front end portion of the arm portion 52 is provided around a horizontal axis. Rotating means for rotating it. The rotating means is formed integrally with the support leg, and is formed integrally with the pedestal 12 and a plurality of plate-like protrusions 66 and 67 that protrude in the left-right direction at the rear end of the arm portion 52. The holding parts 40 and 46 which hold | maintain the parts 66 and 67 rotatably are comprised. [Selection] Figure 4

Description

  The present invention relates to a child seat, and more particularly to a child seat having a support leg.

Conventionally, a child leg attached to a vehicle seat is provided with a support leg in order to improve safety in a frontal collision or the like. The support leg extends downward in front of the child seat and abuts against the vehicle floor surface in a state where the child seat is fixed to the vehicle seat, and prevents the child seat from rotating forward in the event of a frontal collision or the like.
Since the support leg is configured to extend downward from the pedestal portion of the child seat, the support leg may interfere with the handling when the child seat removed from the vehicle seat is handled. Although it is conceivable to separate the support leg from the child seat as a detachable method, in this case there is a risk of forgetting to wear it.

On the other hand, an example in which the support leg is deformed or moved while being connected to the pedestal without separating the support leg from the child seat is described in the following patent documents and the like.
For example, in Patent Document 1 below, a leg portion of a support leg is swingably attached together with a hinge case to a front portion of a horizontal collar portion fixed to a pedestal of a child seat, and the leg portion is attached to the horizontal collar portion when the child seat is not used The point which it came to fold to the side is disclosed.

  Further, in Patent Document 2 below, a pair of leg portions of a support leg formed in a substantially L shape are integrally connected to the lower side of the pedestal, and this connecting shaft portion is further rotatably connected by a slide bar. Further, it is disclosed that a leg portion located in front of the pedestal with the connecting shaft portion as an axis can be rotated to the back side of the child seat body.

JP 2003-94994 A JP 2002-193001 A

However, in these patent documents, since the legs located in front of the pedestal are rotatably connected, new parts must be provided separately from the pedestal and the support leg, and the number of parts increases. End up.
The present invention has been made for the purpose of providing a child seat in which the support leg rotation mechanism is compact and has a small number of parts.

  Thus, according to the first aspect of the present invention, (a) a pedestal that supports the seat main body and is attached to the vehicle seat, and (b) is accommodated in a concave groove formed downward on the bottom of the pedestal, A substantially L-shaped support leg having an arm portion extending forward from a leg portion and a leg portion extending downward at an end portion on the front side of the arm portion, wherein the lower end portion contacts the floor of the vehicle; (C) Rotating means for rotating the support leg around an axis in the left-right direction, (d) a first position for positioning the leg portion of the support leg downward in front of the pedestal, and the leg portion Rotation position fixing means for restricting rotation of the support leg at a second position where the arm is positioned upwardly behind the pedestal, and the rotation means is formed integrally with the support leg, and the arm Left and right at the rear end of the section A plurality of connecting projections protruding, integrally formed on the pedestal, characterized in that it is constituted by a holding portion for rotatably holding the coupling protrusion.

  According to a second aspect of the present invention, in the first aspect, the holding portion includes a rotation guide portion that protrudes downward in an arc shape from the concave groove.

  According to a third aspect of the present invention, in any one of the first and second aspects, the rotational position fixing means includes a flange portion projecting outward from a lateral end surface of the arm portion of the support leg, and the pedestal. A locking projection that protrudes inward from the side surface of the groove, and the bottom surface of the groove is in contact with the bottom surface of the groove. The rotation of the support leg is restricted by abutting against the flange at the opposite position.

  According to a fourth aspect of the present invention, in any one of the first to third aspects, the recessed groove is provided with a plurality of engaged holes in the front-rear direction, and is slidably accommodated in the recessed groove. The arm portion includes an elastic piece formed integrally with the other portion of the arm portion on the base end side, and an engaging claw formed on the distal end side of the elastic piece and engageable with the engaged hole. It is provided.

As described above, the present invention provides a plurality of couplings in which the rotating means for rotating the substantially L-shaped support leg around the axis in the left-right direction protrudes in the left-right direction at the rear end of the arm part of the support leg. The projection includes a protrusion and a holding portion that rotatably holds the connection protrusion.
According to the present invention, when the child seat is attached to the vehicle seat, the storage space for the child seat can be reduced by moving the leg portion of the support leg positioned downward in front of the base to the rear of the base. Handling can be made easy.

In the present invention, the connecting protrusion is formed integrally with the support leg, and the holding portion is formed integrally with the pedestal, so there is no need to provide a separate new part for the rotation operation, and the number of parts is reduced. be able to.
In the present invention, even when it is necessary to separate the pedestal and the support leg, there is no other separate part, so that it is possible to prevent the support leg from being assembled correctly due to the loss of the part.

In the present invention, the holding portion may be provided with a rotation guide portion that protrudes downward in an arc shape from the concave groove (claim 2).
By doing in this way, since a rotation operation of a support leg can be performed, making a connection protrusion contact | abut on the inner surface of a rotation guide part, the operativity of rotation operation can be improved.

In the present invention, the support leg is rotated at a first position where the leg portion of the support leg is positioned downward at the front of the pedestal and at a second position where the leg portion is positioned upward at the rear of the pedestal. As a rotational position fixing means to regulate, a hook part protruding outward from the end face in the left-right direction of the arm part and a locking protrusion protruding inward from the side surface of the groove of the pedestal are provided, and the arm part is In a state where it is in contact with the bottom surface of the concave groove, the locking projection can be in contact with the collar portion at a position opposite to the bottom surface with respect to the collar portion to restrict the rotation of the support leg. 3).
According to the third aspect, since the collar portion can be formed integrally with the support leg and the locking projection can be formed integrally with the base, a new part is added for the rotational position fixing means. There is no need to do so, and the number of parts can be reduced.

In the present invention, a plurality of engaged holes are arranged in parallel in the front-rear direction of the concave groove, and the base end side is integrally formed with the other part of the arm portion in the arm portion slidably received in the concave groove. And an engaging claw that is formed on the distal end side of the elastic piece and can be engaged with the engaged hole (claim 4).
According to the fourth aspect, the position of the support leg in the front-rear direction can be adjusted in accordance with the depth dimension of the vehicle seat to which the child seat is attached. Further, if the engaging claw is formed integrally with the support leg and the engaged hole is formed integrally with the base, it is not necessary to add a new part for the position adjustment means in the front-rear direction, and the number of parts is reduced. Can do.

  According to the present invention as described above, it is possible to provide a child seat in which the rotation mechanism of the support leg is compact and has a small number of parts.

It is a figure of the child seat which is one embodiment of the present invention. It is the figure which expanded and showed the pedestal bottom part of the child seat of FIG. It is sectional drawing in the pedestal bottom part of the child seat of FIG. It is the figure which showed the state which isolate | separated the support leg from the base. (A) It is sectional drawing of the bottom part in a base alone. (B) It is a bottom view with a base alone. It is the figure which showed the arm part and leg part of the support leg of the embodiment. It is the figure which showed the leg part of the embodiment with the slide cover. It is operation | movement explanatory drawing of the embodiment. FIG. 9 is an operation explanatory diagram following FIG. 8. FIG. 10 is an operation explanatory diagram different from FIGS. 8 and 9. FIG. 11 is an operation explanatory diagram following FIG. 10. FIG. 12 is an operation explanatory diagram following FIG. 10 and FIG. 11.

Next, embodiments of the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, the child seat S of the present embodiment includes a pedestal 12 attached to a vehicle seat, and a seat body 14 that can rotate with respect to the pedestal 12 and can be reclined.

The seat body 14 has a shell portion 16 made of synthetic resin, a cushion material (not shown) made of a foam material is attached to the inside of the shell portion 16, and the outer surface side of the shell portion 16 and the cushion material is covered by a seat cover (not shown). Consists of covered.
The seat body 14 is configured to be curved so as to cover the seated infant except for the front side and the upper side. The seat body 14 is illustrated inside the seat body 14 for fixing the infant seated on the seat body 14. Shoulder shoulder belt and buckle are arranged.

  The shell portion 16 is an integrally molded product made of synthetic resin. In the case of the present embodiment, the shell portion 16 is made of polypropylene (PP) and covers a seat surface portion 18 that covers from the lower surface side to the rear surface side of the infant, a side wall portion 20 that covers the left and right sides of the infant, and the rear of the infant. And a back surface portion 22 for covering. The seat surface portion 18 is formed in a convex curved surface having a spherical radius R toward the base 12.

The pedestal 12 can be divided into two in the vertical direction, and is composed of a pedestal upper part 12a and a pedestal lower part 12b, which are integrally formed of synthetic resin.
An annular support surface 26 is formed on the pedestal upper portion 12 a so as to contact the back side of the seat surface portion 18 of the seat body 14 and support the weight of the seat body 14.
In this example, a seat rotation mechanism and a reclining mechanism (not shown) are incorporated inside the support surface 26 of the pedestal upper portion 12a, and the seat body 14 is rotatable and reclining with respect to the pedestal 12.

  Reference numeral 13 denotes an arm protruding rearward from the lower back of the base 12. In the child seat of this example, the hook provided in the arm 13 is engaged with an ISO-FIX type clamp bar prepared on the vehicle seat side, so that the pedestal 12 is placed on the vehicle body side (vehicle seat side). Side). The arm 13 is provided so as to be rotatable with respect to the pedestal 12 and can be housed inside the pedestal 12 when not in use.

  Further, in the child seat S of this example, a support leg 28 extending downward in front of the base 12 is provided. The support leg 28 has an arm portion 52 extending forward from the bottom portion of the base 12 and a leg portion 54 extending downward from an end portion on the front side of the arm portion 52, and has a substantially L shape as a whole. . In the support leg 28 of this example, the arm portion 52 and the leg portion 54 are integrally formed of a synthetic resin such as polypropylene (PP).

  The child seat S of this example is fixed to the vehicle seat, and the support leg 28 is raised on the vehicle floor 30 to prevent the child seat S from rotating forward at the time of a frontal collision or the like. Safety can be improved.

  In the child seat S of this example, the support leg 28 is rotatably connected at the bottom of the pedestal 12, and when the child seat S is removed from the vehicle seat, the support leg 28 is rotated and the front of the pedestal faces downward. It is possible to rotate the tip portion of the support leg 28 extending to the housing space 27 on the back surface of the base 12.

The attachment structure of the support leg 28 is shown in FIGS.
As shown in FIG. 4, a concave groove 32 opened downward is formed in the front and rear direction from the front end to the rear end of the base 12 (specifically, the base lower portion 12 b).
A protrusion 34 that protrudes downward with a constant width is formed in the center of the groove 32 in the width direction so as to extend in the front-rear direction. The front end side of the protrusion 34 is a first protrusion 34a having a low protrusion height, and six through holes 36 as engagement holes for positioning the support leg 28 in the front-rear direction are arranged in a long hole shape in plan view. Provided.
Subsequent to the first protrusion 34a, a second protrusion 34b having a protrusion height higher than that of the first protrusion 34a is formed. The side walls on both sides of the second protrusion 34b are retracted inward (near the center in the width direction), and a plate-like protrusion 66 as a connecting protrusion of the support leg 28 is accommodated on the side of the second protrusion 34b. A recess 38 is formed.

A holding portion 40 including a rotation guide portion 45 that protrudes downwardly and in an arc shape from the protruding surface 39 of the second protrusion 34b is formed at the rear end of the second protrusion 34b. As shown in FIG. 5A, a space capable of rotatably holding the plate-like protrusion 66 of the support leg 28 is formed inside the holding portion 40.
A notch groove 42 is formed near the top of the holding part 40, and the plate-like protrusion 66 of the support leg 28 is inserted into the holding part 40 through the notch groove 42.

Guide ribs 43 projecting inward at the same height as the projecting surface 39 of the second projecting portion 34 b are provided on the side surface portions on both sides of the recessed groove 32 facing the second projecting portion 34 b, and A plate-like protrusion 67 of the support leg 28 is accommodated in the recess 44 defined by the side surface and the guide rib 43.
At the rear end of the guide rib 43, a holding portion 46 having a rotation guide portion 45 protruding further downward and in an arc shape from the protruding surface 39 of the second protrusion 34b is formed. A space in which the plate-like protrusion 67 of the support leg 28 can be rotatably held is formed inside the holding portion 46.
A notch groove 42 is also formed near the top of the holding portion 46, and the plate-like protrusion 67 of the support leg 28 is inserted into the holding portion 46 through the notch groove 42.
As described above, four holding portions are formed in the left and right direction in the concave groove 32, and these are formed on the same central axis.

Reference numeral 48 denotes a locking protrusion that protrudes inward from both side surfaces of the concave groove 32 on the front side of the holding portions 40 and 46, and contacts the flange portion 58 of the support leg 28 that extends forward from the pedestal 12. The rotation of the support leg 28 is regulated in contact.
Reference numeral 50 denotes a locking protrusion that protrudes inward from both side surfaces of the groove 32 on the rear side of the holding portions 40 and 46, and a flange portion 59 b of the support leg 28 that extends rearward from the base 12. The rotation of the support leg 28 is restricted by contact.

On the other hand, the arm portion 52 of the support leg 28 is formed with a flange portion 58 that protrudes outward from both side surfaces in the left-right direction continuously along the side surface in the front-rear direction. The dimension of the arm portion 52 in the width direction is fixed by the flange portion 58 except for the plate-like protrusions 66 and 67 provided at the rear end. The flange portion 58 is guided by the side surface of the concave groove 32, and the support leg 28 is slidable in the front-rear direction.
The flange portion 58 is formed at the position of the upper end 57 of the side surface so as to come into contact with the bottom surface of the concave groove 32 in a state where the support leg 28 is assembled as shown in FIG.

Concave portions 61 and 62 are formed in the middle of the flange portion 58 extending in the front-rear direction.
In the recessed portion 61 on the left side in the figure, a flange 59a is formed at a position spaced downward from the upper end 57, and openings through which the locking projections 48 on the pedestal side can pass are above and to the right of the flange 59a. Is formed.
Further, in the recessed portion 62 on the right side in the figure, a flange portion 59b is formed at a position spaced downward from the upper end 57, and an opening through which the locking projection 50 on the pedestal 12 side can pass is on the right side of the flange portion 59b. Is formed.

The rear end of the arm portion 52 (the right side in FIG. 6A) is largely cut out at the center, and branch arms 63 and 64 are formed on both sides in the left-right direction. A plate-like protrusion 66 that protrudes inward and a plate-like protrusion 67 that protrudes outward are formed at the tip of each branch arm. The plate-like protrusions 66 and 67 are elongated in the front-rear direction and short in the left-right direction.
These four plate-like protrusions 66 and 67 are integrally formed with the branch arms 63 and 64 so that the positions in the front-rear direction and the vertical direction are the same.

Reference numeral 68 denotes an operation unit capable of fixing or releasing the position of the support leg 28 in the front-rear direction with respect to the base 12. Reference numeral 70 denotes an elongated elastic piece which is formed with cuts in three directions and is connected to other portions of the support leg 28 only on the base end side. The elastic piece 70 is engaged with the through hole 36 on the base 12 side at the distal end side of the elastic piece 70. Engaging engagement claws 69 are provided.
In a state where the support leg 28 is assembled to the pedestal 12, the engaging claw 69 is urged toward the through hole 36 by the elastic piece 70, and the engaging claw 69 is connected to the through hole 36 on the pedestal 12 side in the front-rear direction. When the positions match, the support leg 28 is positioned in the front-rear direction by engaging with the through hole 36. When adjusting the position in the front-rear direction, the knob 72 provided on the distal end side of the elastic piece 70 is pushed downward in the figure, so that the elastic piece 70 is elastically deformed in the direction away from the through hole 36 and engaged. The engagement between the claw 69 and the through hole 36 is released, and the arm portion 52 can be moved in the front-rear direction.

A leg portion 54 that extends downward is integrally formed at the front end portion of the arm portion 52. The leg portion 54 has the same width as the arm portion 52 and is bent downward by approximately 90 degrees. As shown in FIG. 6B, on the side surface of the leg portion 54, a flange portion 74 that is continuous with the flange portion 58 on the arm portion 52 side is linearly formed in the longitudinal direction.
Further, a plurality of slit grooves 76 that are elongated in the direction perpendicular to the paper surface are formed at equal intervals in the longitudinal direction of the leg portion 54 at the center in the width direction of the leg portion 54.

A slide cover 78 for adjusting the length of the support leg 28 on the leg side is attached to the outside of the leg 54.
As shown in FIG. 7C, the slide cover 78 includes a pair of left and right bent portions 80, 80 formed at both ends in the width direction, and a main surface portion 81 connecting them. A guide groove 82 extending linearly in the longitudinal direction is formed on the inner surface of the bending portion 80 facing in the left-right direction, and the guide groove 82 is unevenly fitted to the flange portion 74 on the side surface of the leg portion 54. The slide cover 78 is movable in the longitudinal direction with respect to the leg portion 54.

As shown in FIGS. 7A and 7B, an operation portion 84 for fixing the position of the slide cover 78 with respect to the leg portion 54 is opposed to the slit groove 76 on the main surface portion 81 of the slide cover 78. Is provided.
A lever member 86 is integrally provided with a support pin 85 that is rotatably supported by the main surface portion 81 and a pressing portion 87 that protrudes toward the slit groove 76.
Reference numeral 88 denotes a locking member made of a thin metal plate disposed between the lever member 86 and the slit groove 76, and a fixing claw 89 bent toward the slit groove 76 and the lever member at the upper end in the figure. A release claw 90 is formed that is bent to the side of the arm. The lower end portion of the locking member 88 is fixed to the main surface portion 81 of the slide cover 78.

As shown in FIG. 7A, when the lever member 86 is rotated counterclockwise so as to be flush with the main surface portion 81, the fixing claw 89 pushed in at the tip of the pressing portion 87 enters the slit groove 76. By engaging, the leg portion 54 and the slide cover 78 are fixed together.
On the other hand, as shown in FIG. 7B, when the lever member 86 is rotated in the clockwise direction, the pressing portion 87 is engaged with the release claw 90 and the front end side of the locking member 88 is separated from the slit groove 76. Therefore, the engagement between the slit groove 76 and the fixing claw 89 is released, so that the slide cover 78 can move in the longitudinal direction with respect to the leg portion 54.

In the child seat S of the present embodiment, the support leg 28 can be assembled and rotated as described below.
In the support leg 28 separated from the pedestal 12, first, as shown in FIG. 8, the plate-like protrusions 66 and 67 are inserted into the holding portions 40 and 46 through the notch grooves 42.
Next, as shown in FIG. 9 (II), the support leg 28 is rotated in the clockwise direction in the drawing while the plate-like protrusions 66 and 67 are held by the holding portions 40 and 46.

  Then, as shown in FIG. 9 (III), the locking projection 48 formed on the side surface of the concave groove 32 passes through the upward opening formed in the concave portion 61, and is opposite to the bottom surface 33 with respect to the flange portion 58. When the arm portion 52 is slid forward, the collar portion 58 is sandwiched between the bottom surface 33 of the concave groove 32 and the locking projection 48, and the support leg 28 rotates. The position is restricted in the direction. As described above, in this example, the rotational position fixing means in the first position for positioning the leg portion 54 of the support leg 28 downward in front of the base 12 includes the flange portion 58 and the locking projection 48. ing.

The position of the arm portion 52 in the front-rear direction can be appropriately set according to the depth of the vehicle seat with the child seat S attached to the vehicle seat. Specifically, the position can be fixed in the front-rear direction by operating the operating portion 68 shown in FIG. 3 and engaging the engaging claw 69 for positioning with the through hole 36 at a desired position.
Thereafter, the operation portion 84 of the slide cover 78 is operated to adjust the length of the leg portion, and the leg portion 54 (specifically, the bottom surface of the slide cover 78) is brought into contact with the vehicle floor 30. As a result, it is possible to satisfactorily prevent the child seat S from rotating forward in the event of a frontal collision.

On the other hand, after the child seat S is removed from the vehicle seat, the operating portion 84 of the slide cover 78 is operated to shorten the length of the leg portion, and then the engagement state of the positioning projection claw 69 in the front-rear direction is released. Then, as shown in FIG. 10I, the support leg 28 is slid rearward. Then, the plate-like protrusions 66 and 67 are moved to the positions within the holding portions 40 and 46, the support leg 28 is rotated counterclockwise as shown in FIG. 10 (II), and the concave groove 32 as shown in FIG. When the locking projection 50 provided on the base plate is rotated until it comes into contact with the flange 58, the support leg 28 is rotated by approximately 180 degrees with respect to the state shown in FIG. 54 becomes an upward state behind the pedestal 12.
When the support leg 28 is slid in the left direction in the figure as shown in FIG. 11 (IV), the legs 54 are accommodated in the accommodation space 27 formed on the back surface of the base 12 as shown in FIG. Can do.
At this time, the locking projection 50 passes through the lateral opening formed in the recessed portion 62 and moves to a position opposite to the bottom surface 33 with respect to the flange portion 59b, and the support leg 28 passes through the flange portion 59b. Therefore, the support leg 28 is regulated in the rotational direction. Thus, in this example, the rotational position fixing means in the second position for positioning the leg portion 54 upward behind the pedestal 12 includes the flange portion 59b and the locking projection 50.

  As described above, according to this embodiment, the leg 54 of the support leg 28 is moved to the rear of the pedestal 12 so that the storage space for the child seat S can be reduced and the handling can be facilitated. .

In the present embodiment, the plate-like protrusions 66 and 67 are formed integrally with the support leg 28, and the holding portions 40 and 46 are formed integrally with the pedestal 12. Therefore, separate new parts are provided for the rotation operation. The number of parts can be reduced.
In the present invention, even if it is necessary to separate the pedestal 12 and the support leg 28, there is no other separate part, so that it is possible to prevent the support leg from being assembled correctly due to the loss of the part.

  In the present embodiment, the rotation guide portion 45 protruding downward in the arc shape from the concave groove 32 is provided in the holding portions 40 and 46, and the plate-like projections 66 and 67 are brought into contact with the inner surface of the rotation guide portion 45. However, since the support leg 28 can be rotated, the operability of the rotation operation can be improved.

  In the present embodiment, the flanges 58 and 59b as rotation position fixing means for restricting the rotation of the support leg 28 are formed integrally with the support leg, and the locking projections 48 and 50 are formed integrally with the base 12. Therefore, it is not necessary to add new parts for the rotational position fixing means, and the number of parts can be reduced.

  Further, in the present embodiment, a plurality of through holes 36 are provided in parallel in the front-rear direction of the concave groove 32, and an elastic piece 70 and an engaging claw 69 formed on the distal end side of the elastic piece 70 are provided in the arm portion 52. Thus, the position of the support leg 28 in the front-rear direction can be adjusted in accordance with the depth dimension of the vehicle seat to which the child seat S is attached. Further, since the engaging claw 69 is formed integrally with the support leg 28 and the through hole 36 is formed integrally with the base 12, it is not necessary to add a new part for the position adjusting means, and the number of parts is reduced. can do.

  Although the embodiment of the present invention has been described in detail above, this is merely an example. For example, the above embodiment is an example in which four plate-like connecting protrusions are formed on the arm part, but the number of connecting protrusions may be two or more, and the shape can be rotated in the holding part. As long as it is, it is possible to apply a shape different from that of the present example, and various modifications can be made without departing from the spirit of the present invention.

12 pedestal 14 seat body 28 support leg 30 vehicle floor 32 concave groove 33 bottom surface 36 through hole (engaged hole)
40, 46 Holding part 48, 50 Locking protrusion 52 Arm part 54 Leg part 58, 59a, 59b Eave part 66, 67 Plate-like protrusion (connection protrusion)
69 engaging claw 70 elastic piece

Claims (4)

(A) a pedestal that supports the seat body and is attached to a vehicle seat;
(B) An arm portion that is accommodated in a concave groove formed downward on the bottom of the pedestal and extends forward from the pedestal, and a leg that extends downward at the front end of the arm portion. A substantially L-shaped support leg with the lower end abutting against the vehicle floor;
(C) rotating means for rotating the support leg around a horizontal axis;
(D) The support at the first position where the leg portion of the support leg is positioned downward in front of the pedestal, and at the second position where the leg portion is positioned upward behind the pedestal. Rotation position fixing means for restricting the rotation of the leg,
The rotating means is formed integrally with the support leg, and is formed integrally with the pedestal and a plurality of connecting protrusions protruding in the left-right direction at an end on the rear side of the arm portion. A child seat comprising: a holding portion that rotatably holds the child seat.   The child seat according to claim 1, wherein the holding portion includes a rotation guide portion that protrudes downward in an arc shape from the concave groove. The rotation position fixing means according to claim 1, wherein the rotation position fixing means is inward from a lateral surface of the arm portion of the support leg that protrudes outward from a side surface of the concave groove of the pedestal. A locking projection protruding to
In a state where the arm portion is in contact with the bottom surface of the concave groove, the locking projection is in contact with the flange portion at a position opposite to the bottom surface with respect to the flange portion, and the support leg rotates. A child seat characterized by restricting.   4. The method according to claim 1, wherein a plurality of engaged holes are arranged in the front and rear direction in the concave groove, and the arm portion slidably accommodated in the concave groove has a base. An elastic piece formed integrally with the other part of the arm portion on the end side, and an engaging claw formed on the distal end side of the elastic piece and engageable with the engaged hole are provided. A child seat.

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