JPH051579U - Child seat - Google Patents

Abstract

(57) [Abstract] [Purpose] It can be widely used according to the growth of children and the child seat can be securely and easily fixed to the seat cushion, and the parts necessary for fixing the child seat are the child seat. Get a children's seat that doesn't need to be prepared separately. [Structure] A seat back and a baby infant unit are detachably provided on the base portion. Further, the fitting recess 3 is formed in the base body 20 that constitutes the base portion.
0 is formed, and a fitting protrusion 32 that fits in the fitting recess 30 is formed on the holding lid 22. When the child seat is fixed to the rear seat of the vehicle, the lap webbing 34 and the shoulder webbing 37 are locked to the webbing hook 26, guided to the lower side of the webbing guide 28, and the holding lid 22 is held.
Is attached to the base body 20 so that the fitting protrusion 32 fits into the fitting recess 30.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to a child seat attached to a seat cushion of a vehicle.

[0002]

[Prior art]

  Conventionally, when the child is seated in the passenger seat or the rear seat, the child is restrained by webbing. Children's sheets are used to bundle them. Generally, seats for children are children There are various types according to the age and physique of the child. Baby seats (hereinafter referred to as "baby seats"), 6 months to 1 year old Seats for infants up to man (hereinafter referred to as "infant seats"), 1 after birth Seats for infants aged between 4 and 4 (hereinafter referred to as "Child Seats") , Seats for infants over the age of 4 (hereinafter referred to as "junior seats") There is.

[0003]   The above-mentioned child seat is used by being fixed to the back seat or passenger seat of the vehicle. Seat with LR (Emergency Locking Retractor) When fixing the child seat with a belt, the web The webbing is re-attached to prevent the children's seat from slipping due to loosening A locking clip (Figure 22) is used to prevent withdrawal from the tractor.

[0004]

[Problems to be solved by the device]

  Conventionally, these baby seats, infant seats and child seats have been Seats and junior seats are manufactured independently, and consumers are It was necessary to replace the seats in order according to the case. For this reason, buying a seat There was a problem that it was expensive and uneconomical.

[0005]   Furthermore, in the child seat, when it is used in the passenger seat, as shown in FIG. King clip 204 allows wrap webbing 200 and shoulder webbing 2 02 (FIG. 25 (A)) is fixed in a stacked state (FIG. 25 (B)). The webbing (wrapping webbing 200 and shoulder webbing) is used for the fastening clip 204. Bing 202) needs to be bent like a crank, If the webbing is applied, that is, the buckle is up, It is difficult to attach. Therefore, lock the locking clip 204 before the buckle up. Must be attached to the bing. In addition, the locking clip 204 is attached The locking clip 204 is attached in anticipation of the shortening L of the webbing due to Since it is necessary to fix the child seat by fixing it, the work of fixing the child seat is complicated. is there. In addition, due to the miscalculation of the shortened portion L, the child's seat can be optimally fixed. It often takes several redoes to do.

[0006]   Also, the locking clip 204 is required separately from the child seat, The locking clip 204 may be lost.

[0007]   In consideration of the above facts, the present invention can be widely used according to the growth of children. In addition, the child seat can be securely and easily fixed to the seat cushion. A child who does not need to prepare the parts necessary for fixing the service seat separately from the child seat. The purpose is to obtain a sheet for use.

[0008]

[Means for Solving the Problems]

  The present invention provides the holding part for holding the base body and the occupant restraining webbing according to claim 1. And a base that is fixed to the seat cushion of the vehicle and that is attached to or detached from the base The present invention proposes a child seat having a seat body that is provided so as to be capable.

[0009]   According to a second aspect of the present invention, in the configuration of the first aspect, the seat body is attached to the holding member. It is proposed that the device is detachably provided.

[0010]   According to a third aspect of the present invention, in the configuration of the first aspect, the seat body is the base body. The sandwiching member is detachably attached to the seat body when the seat body is mounted. A structure is proposed in which the webbing is clamped between the base and the base body. .

[0011]   According to a fourth aspect of the present invention, in the configuration of the third aspect, the tilting base is tiltably attached to the base body. Is provided, and the seat body is detachably provided on the tilting table and tilts together with the tilting table. And reclining operation is performed, and a roller is provided between the holding member and the seat body. Is provided between the seat body and the base body when the seat body is mounted. The nip member is nipped via the rollers to perform the webbing nip operation, and A structure is proposed in which the roller rotates and the tilting of the sheet body is allowed.

[0012]

[Action]

  According to the present invention, the seat body can be attached and detached, and the seat cushion can be attached to the seat cushion of the vehicle. To secure the child seat, the occupant restraining webbing is attached to the base body by the sandwiching member. Made by sandwiching between.

[0013]   This allows the seat body to be replaced, which allows it to expand as the child grows. It can be used for a wide range of applications, and the occupant restraining webbing is clamped to the base body The simple mechanism of sandwiching it with the material secures the child seat to the seat cushion. It can be fixed really and easily, and the parts necessary for fixing the child's seat are It is not necessary to prepare it separately from the service sheet.

[0014]   Further, according to claim 2, the seat body is detachably provided on the sandwiching member. The seat body is arranged on the holding member, and further, the child sits on the seat body. Therefore, the occupant restraining webbing is firmly held between the base body and the holding member. It

[0015]   Further, in claim 3, the seat body is detachably provided on the base body, A sandwiching member that sandwiches the sandwiching member between the seat body and the base body when the seat body is mounted. With the structure that allows the webbing to be clamped at the same time as the seat body is installed The holding member holds the webbing and the child seat is fixed to the seat cushion. , Its fixing is made easier and faster.

[0016]   Further, in claim 4, the tilting table is provided on the base body so as to be tiltable, and The body can be attached to and removed from the tilting table and tilted together with the tilting table for reclining operation. When installing the seat body, a roller is provided between the sandwiching member and the seat body. And a sandwiching member sandwiching the sandwiching member via a roller between the sheet body and the base body. The webbing clamping operation and rotate the roller to tilt the seat body. With a structure that allows movement, even if it is a reclining operation, it can be used as a clamping member. In contrast, the seat body can be smoothly tilted, and the webbing pinching operation of the pinching member can be reclined. The child seat is securely held in place without being affected by the swinging motion.

[0017]

【Example】

  FIG. 1 shows a child seat 10 according to a first embodiment of the present invention. this The child seat 10 includes a base portion 12 serving as a base and a base portion together with the base portion 12. Of the turntable 14 and the seat bar as a back rest forming the seat body. The seat 16 as a seating portion that constitutes the seat body together with the seat 16 and the seat back 16. The vehicle as a seat cushion of the vehicle, which consists of four elements, It is installed in the rear seats of both sides. And in this embodiment, these four elements are By combining appropriately, it can be used as a child seat and junior seat. Can be used. Also, a baby infant unit 160, which will be described later, Can be used as a baby seat or infant seat by combining with It becomes possible to stay. Below, the base 12, turntable 14, seatback The seat 16 and the seat cushion 18 will be described in this order.

[0018]   [Base part]   As shown in FIG. 1, the base portion 12 includes a base body 20 having a substantially box shape. , A sandwiching member which is rotatably supported inside the front end portion of the base body 20 and constitutes a sandwiching member. A holding lid 22 and a rotating plate 24 rotatably attached to the rear end of the base body 20. , Are provided. The webbing hooks 2 are provided on both sides of the base body 20 in the width direction. 6 are formed respectively. The webbing hook 26 stands up toward the upper side of the vehicle. Ascending, its tip is bent toward the front of the vehicle in a hook shape. Furthermore, the base body A pair of webbing guides 28 are provided on both sides of the bottom of the 20 to allow elastic deformation. It is said to be Noh. A fitting recess 30 is formed between the pair of webbing guides 28. Has been.

[0019]   As shown in FIG. 2, in the fitting recess 30, the back surface of the sandwiching lid 22 described later is provided. The fitting protrusion 32 provided on the side is fitted. That is, of the seat The lap webbing 34 and the shoulder webbing 37 are webbins of the base body 20. After being locked by the hooks 26, it is guided below the pair of webbing guides 28, In this state, the holding lid 22 is rotated and closed by the base body 20 to fit The protrusion 32 is fitted into the fitting recess 30 and holds the lap webbing 34. Become. As a result, the base body 20 is fixed to the seat.

[0020]   The fixing method of the base body 20 described above is performed by setting the child seat 10 to the child seat. It is performed when used as a baby seat, baby seat and infant seat. Child When the service seat 10 is used as a junior seat, a seat to be described later A pair of elastic locking claws in which the rails 114 of the cushion 18 are formed on the base body 20. 35 (the side view of the state after the rail 114 is locked to the elastic locking claw 35 is a side view). 11) in this state, the lap webbing 34 becomes the webbing hook 2 It is locked to 6 and restrains infants. Ie for junior When used as a sheet, the lap webbing 34 is used to remove the The lap webbing 34 restrains the toe cushion 18 and the child together. ing.

[0021]   As shown in FIG. 1, the holding lid 22 has a substantially rectangular flat plate shape. Nipper lid 22 A circular recess 36 for accommodating a turntable 14 described later is provided in the center of the Are formed. A fixing hole 96 is formed in the peripheral portion of the recess 36. Also A pair of operation knobs 38 are provided on the rear side of the concave portion 36 of the holding lid 22. The holding knob 22 and the base body 20 are attached and detached by the operation knob 38 of It Next, the detaching operation by the operation knob 38 and the configuration related to the detaching operation will be described. Explain.

[0022]   (Detachment operation by operation knob and its structure)   As shown in FIG. 3, the substantially lid-shaped reinforcing plate 40 is fixed to the holding lid 22. The rotary shaft 44 is pivotally supported by the bracket 42 of the reinforcing plate 40. It The operation knob 38 described above is fixed to the rotary shaft 44. On the operating knob 38 Is integrally formed with a substantially U-shaped lock plate 46. This rock play The plate 46 is engageable with the L-shaped plate 48 fixed to the base body 20. It When the holding lid 22 is completely fitted into the base body 20, the operation knob 38 Is in the state indicated by the solid line, and in this state, the lock plate 46 of the operation knob 38 is Is engaged with the L-shaped plate 48. The operation knob 38 is not shown. Direction in which the lock plate 46 is normally engaged with the L-shaped plate 48 by the biasing means. Is urged to. The L-shaped plate 48 has a long hole formed therein. Resin 50 is filled inside. Therefore, when operating the normal operation knob 38, The tip of the lock plate 46 slides on the back surface of the L-shaped plate 48. However, when a sudden load is applied such as when the vehicle suddenly decelerates, the tip of the lock plate 46 Penetrates through the resin 50 and is engaged in the elongated hole.

[0023]   The rotary shaft 44 to which the operation knob 38 is fixed has a position separated from the operation knob 38. A cam 52 having a protruding tip is fixed to the. Immediately above the cam 52 will be described later. The pressing plate 54 supported on the turntable 14 side is disposed. Obey Move the operating knob 38 from the position shown by the solid line to the position shown by the chain double-dashed line. Then (in this state, the sandwiching lid 22 and the base body 20 are not connected), The press plate 54 is pushed up by the cam 52 to house the turntable 14. It projects above the recess 58. Therefore, the occupant can fix the fixed portion 68 of the seat back 16 which will be described later. Cannot be fixed to the turntable 14. The erroneous operation by an occupant in a state where the occupant is not connected to the main body 20 is prevented. Note that , A substantially C-shaped support plate provided on the rear side of the cam 52 of the reinforcing plate 40 56 will be described later.

[0024]   As shown in FIG. 1, the rotary plate in a state of standing upright at the rear end of the base body 20. Reference numeral 24 is a rectangular flat plate material. The lower end of the rotary plate 24 is a base book. It is pivotally supported by the body 20. The state shown in FIG. 1 is the standing state of the rotary plate 24, The rotating plate 24 rotates from this state to a flat state in which it is substantially parallel to the base body 20. It is possible. When used as a junior seat, the rotating plate 24 should be flat When it is used as a child seat, the rotary plate 24 is in an upright state. It is said that As a result, in the former case, a seat portion of the seat cushion 18 described later will be described. 110 and the rotating plate 24 are substantially flush with each other (see FIG. 11), and as a result, the seat surface extends. Will be done. In the latter case, the turntable of the seat back 16 It is possible to prevent the seat back 16 and the rotating plate 24 from interfering with each other when the fixing operation is performed to And the back surface of the rotary plate 24 is fixed to the rear seat of the base portion 12 while Surface contact with the seat cushion of the seat, damage caused by local depression of the seat cushion Is being prevented. The flat state of the rotary plate 24 is the first position, and the rotary plate 24 The upright state is the second position.

[0025]   〔Turntable〕   As shown in FIGS. 1, 4, and 5, the turntable 14 has a disk shape in plan view. And is fitted in the recess 36 of the holding lid 22. Turntable 1 When the turntable 14 is fitted in the recess 36 of the holding lid 22, the turntable 14 is It is rotatable in the recess 36 of the sleeve 12. In the center of the turntable 14 Is formed with a rectangular parallelepiped accommodating recess 58.

[0026]   As shown in FIG. 4, the peripheral wall of the turntable 14 is first engaged at a plurality of positions. A hole 60 is formed. A seat back, which will be described later, is provided to these first engaging holes 60. A projecting portion 90 on the rear end side of the 16 fixing portions 68 is selectively penetrated. . Further, on the peripheral wall of the turntable 14, a second engaging hole 62 is provided on the left side in FIG. Has been formed. A fixing portion 68 of the seat back 16, which will be described later, is inserted into the second engagement hole 62. The lock pin 92 provided on the front side of the is penetrated.

[0027]   [Seat back]   As shown in FIG. 1, the seat back 16 includes a backrest 64 and the backrest 64. The headrest 66 provided at the upper end and the lower end of the backrest 64 are integrally provided. And a substantially rectangular parallelepiped fixing portion 68 protruding toward the vehicle front side. C The tobacco 16 is a child seat 10 (for children aged 1 to 4). It is used when used as.

[0028]   The backrest 64 is bent toward the front side of the vehicle in such a manner that both widthwise sides thereof are substantially parallel to each other. ing. At the center of the back surface of the back support 64, a long member curved in the vehicle vertical direction is formed. -Shaped support portion 70 is integrally formed. A headrest is provided on the upper end of the support portion 70. 66 stays (not shown) are inserted and fixed. The headrest 66 has A winding device (not shown) is provided on each of the inner sides of the One end of each of the rollers 72 and 73 is independently wound. Two infant belts 72 The 73 and 73 are seat cushions by means of the crotches 74 and crotch buckles 76. It is connected to the computer 18. The crotch bag 74 is a crotch buckle 76. By pressing the buckle switch 77 of, the engagement state with the crotch buckle 76 Is released.

[0029]   The fixing portion 68 is provided with a rectangular parallelepiped accommodating portion 78 at the center thereof. Solid Slits 80 are formed on the side walls on both sides of the constant portion 68, respectively. Slit 80 In the support wall 82 located outside of the groove 80, the grooves 84, 8 of three steps are formed in the depth direction of the slit 80. 5, 86 are formed, and are used for adjusting the height of the seat cushion 18. Further, the abutting wall 88, which is the inside of the slit 80, is provided with a side support 118 which will be described later. It is related to the opening / closing mechanism, which will be described in the description of the seat cushion 18. Detailed description.

[0030]   (Fixing structure of seat back to turntable)   As shown in FIG. 5 (A) to FIG. 5 (C), the fixed portion 68 has a rear end portion protruding from it. The protruding portion 90 is formed so that it can be connected to the first engaging hole 60 of the turntable 14 described above. It is said that it can be penetrated selectively. Further, the fixed portion 68 has a fixed portion 68 at its front end. The lock pin 92 that can slide in the longitudinal direction of the The second engaging hole 62 of the table 14 can be penetrated. Of this lock pin 92 The lower surface is an inclined surface 92A, and this inclined surface 92A is the turntable 1 4 so as to interfere with the peripheral edge portion of No. 4. Also, one side of the lock pin 92 in the axial direction End of the fixed part 68 (the end on the inner side of the fixed part 68) by the compression coil spring 94 (see FIG. 6). The lock pin 92 is pressed and urged in the protruding direction.

[0031]   In order to fix the seat back 16 to the turntable 14, as shown in FIG. The seat back 16 is placed on the turntable 14 in a tilted manner as described above. After that, as shown in FIG. 5 (B), the protrusion 90 is penetrated into the first engagement hole 60, In this state, the lock pin 92 moves around the turntable 14 as shown in FIG. The lock pin 92 is pressed against the edge and interferes with the edge, and the lock pin 92 is compressed. After retracting into the fixed portion 68 against the biasing force of 94, the lock pin 92 moves to the compression coil. The second engaging hole 62 is penetrated by the biasing force of the spring 94. In this state Is the support plate 56 in which the protruding portion 90 of the fixed portion 68 is fixed to the reinforcing plate 40. And the lock pin 92 is received by the second engagement hole 62 and the turntable 14. And the fixing hole 96 of the holding lid 22 penetrates the seat back 16 so that the seat back 16 is turned. It is fixed to the cable 14, the holding lid 22 and the base body 20. Completely fixed In the closed state, the support plate 56 is added to the seat back 16 in the vehicle vertical direction (especially , Above the vehicle).

[0032]   (Rotating operation of seat back and detaching operation from turntable)   As shown in FIG. 6, the lock pin 92 is rotatable about a support shaft 98. One end of the capable arm 100 is pivotally supported. The other end of the arm 100 is the operation lever 1 No. 02 rod 104 is connected to one end in the axial direction by a ball joint. ing. Therefore, the operation lever 102 and the lock pin 92 are connected to each other by the rod 104 and the arm. It is connected via the system 100. Here, the operation lever 102 is shown by a solid line. When in the position, the lock pin 92 is also in the position shown by the solid line. Therefore, In this state, the lock pin 92 is penetrated into the fixing hole 96 of the holding lid 22 and The bag 16 is completely fixed.

[0033]   A fixing pin 106 is provided at an axially intermediate portion of the rod 104 (on the operation lever 102 side). It is protruding. The interference pin 108 is a base on the movement path of the fixed pin 106. It is projected from the main body 20 side. Therefore, the operation lever 102 is shown by a solid line. When pulled out from the position to the position shown by the alternate long and short dash line, the fixing pin 106 will be the interference pin It interferes with 08 and cannot draw any more. This operation lever 102 is shown by a chain line When in the locked position, the lock pin 92 is also in the position shown by the alternate long and short dash line. Therefore, in this state, the seat back 16 can rotate together with the turntable 14. It will be in a state.

[0034]   Further, with the fixing pin 106 interfering with the interference pin 108, the operation lever 102 By rotating the rod 90 degrees around the axis of the rod 104, the fixing pin 106 and the The interference state with the communication pin 108 is released. Interference is released After that, pull out the operating lever 102 to the position indicated by the chain double-dashed line The lock pin 92 moves to the position indicated by the chain double-dashed line. Therefore, in this state The lock pin 92 is retracted from the second engagement hole 62 of the turntable 14. Therefore, the seat back 16 can be detached from the turntable 14. .

[0035]   [Seat cushion]   The seat cushion 18 has a seat portion 110, and the seat cushion 110 is provided on the lower surface side of the seat portion 110. Is formed with a block 112 having a substantially rectangular parallelepiped shape. Both sides of this block 112 A long rail 114 is integrally formed on the side surface. This rail 114 It can be fitted into the height adjusting grooves 84, 85, 86. Therefore, the sheet The cushion 18 can be adjusted in three steps according to the sitting height of the child.

[0036]   Further, an opening for tilting the crotch buckle 76 is provided on the front side of the central portion of the seat portion 110. 116 is formed. Also, both sides of the seat 110 can be opened and closed by a predetermined angle. A side support 118 is provided. And in the seat cushion 18 Crotch buckle attachment / detachment mechanism and side support opening / closing mechanism are provided. This will be described in this order.

[0037]   (Crotch buckle attachment / detachment mechanism)   As shown in FIG. 7, the hook 1 is provided on the rear surface side of the tip portion of the crotch buckle 76. 20 are formed. The door disposed in the opening 116 via the hook 120. The ram 122 and the crotch buckle 76 are engaged with each other.

[0038]   The drum 122 includes a pair of discs 124 and 126. A pair of discs 124 , 126, a rectangular flat plate-shaped coupling shaft 128 is fixed. The hook 120 of the buckle 76 is thick enough to be locked. Also, a pair of discs A 1/2 cylindrical cover 130 is fixedly attached to the 1/2 peripheral edge of each of 124 and 126. ing. A crotch gear 132 is fixed to one of the discs 124, and It is adapted to rotate integrally with 122. These crotch gears 132 and A support shaft 134 is formed on the shaft center of one of the discs 126, and a side portion of the opening 116 is formed. Is supported by. Similarly, the other disc 126 is also coaxial with the spindle 134 (see FIG. (Not shown) is formed and pivotally supported on the side of the opening 116.

[0039]   One end of an unillustrated tension coil spring is locked to the other disk 124. The other end of the tension coil spring is locked to the side portion of the opening 116. Therefore, crotch When the buckle 76 is separated from the drum 122, the drum 122 is It is in the state shown in FIG. 9 (C) under the urging force of the il spring. The opening 130 closes approximately half of the opening 116.

[0040]   Further, a protrusion-shaped stopper 136 is fixed to a part of the end surface of the crotch gear 132. ing. This stopper 136 is related to the side support 118 described later. , The side support 118 will be described in detail.

[0041]   When using the child seat 10 as a child seat, the crotch bag The hook 120 of the wheel 76 is locked to the coupling shaft 128 of the drum 122. (State shown in FIG. 8). In this state, the crotch buckle 76 The leaf spring 138 (in the state shown in FIG. 9A) is cut out of the coupling shaft 128. Engagement between the crotch buckle 76 and the coupling shaft 128. It is for holding.

[0042]   When using the child seat 10 as a junior seat, a seat cushion The crotch buckle 76 is separated from the seat cushion 18 since only the seat cushion 18 is used. Must be taken off. Below, the seat cushion 1 of the crotch buckle 76 The operation of leaving 8 will be described.

[0043]   First, the crotch buckle 76 is tilted forward from the state shown in FIG. The state shown by the solid line in FIG. Crotch buckle 76 from this state Push in and disengage hook 120 of crotch buckle 76 from coupling shaft 128 (A state indicated by a chain double-dashed line in FIG. 9A). Next, as shown in FIG. As shown in FIG. 9 (), the crotch buckle 76 is passed under the coupling shaft 128. Pull out the crotch buckle 76 as shown in C). This allows the black The catch buckle 76 is disengaged from the drum 122 and the drum 122 is shown. A state in which the cover 130 closes the opening 116 almost half by the biasing force of the tension coil spring. Becomes As a result, the crotch buckle 76 is released from the seat cushion 18. It

[0044]   (Side support opening / closing mechanism)   When the infant gets on and off, the crotch buckle 76 is in the forward tilted state and the side support 1 It is necessary to open 18 to the maximum and improve the entry / exitability. As shown in FIG. A middle gear 142 is pivotally supported on the front side of the side support 118. this The middle gear 142 meshes with the worm gear 144. A pair of side supports 1 The 18 worm gear 144 is fixed to one shaft 146. A small gear 148 is fixed to an intermediate portion of the shaft 146 in the axial direction. Therefore, small gear 148 and worm gear 144 rotate with shaft 146. Small gear 148 Engages with the crotch gear 132 of the drum 122. Therefore, crotch The crotch gear 132 rotates according to the tilt angle of the buckle 76, and this rotation force is small. Through the gear 148, the shaft 146, the worm gear 144, and the middle gear 142, This is a configuration that is transmitted to the pair of side supports 118.

[0045]   Further, the engaging arm 150 is provided near the stopper 136 of the crotch gear 132. It is rotatably arranged. The engaging arm 150 has a base portion 150A and an abutting portion 150B. And an engaging portion 150C. The base 150A is driven by a tension coil spring 152. It is biased away from the ram 122.

[0046]   Also, when the rail 114 of the seat cushion 18 is engaged with the lower groove 86, In this case, the contact portion 150B of the engagement arm 150 is fixed to the fixed portion 68 of the seat back 16. Abuts on the support wall 88 of the. However, the rail 114 has an upper groove 84 and a middle groove. In the case of engaging with 85, the contact portion 150B of the engaging arm 150 is It does not come into contact with the support wall 88 of No. 8. That is, the contact portion 150B The support walls 880 are in a separated state.

[0047]   As shown in FIG. 10, the support wall 88 and the contact portion 150B are separated from each other. In the case of the engagement arm 150, the urging force of the tension coil spring 152 causes the engagement portion 150 of the engagement arm 150 to move. C does not engage the stopper 136 of the crotch gear 132. Therefore, The frame 122 can rotate beyond the position where the stopper 136 engages with the contact portion 150B. And are possible. However, the support wall 88 and the contact portion 150B are in contact with each other. In this case, the engaging portion 150C of the engaging arm 150 is urged by the tension coil spring 152. The stopper 136 of the crotch gear 132 is pressed against the contact portion 150B against Come to the position to meet. Therefore, the rotation amount of the drum 122 is restricted.

[0048]   To further explain, the rail 114 of the seat cushion 18 of the seat back 16 When engaged with the upper groove 84 (state where the seat surface is highest), the strike Since the upper 136 and the contact portion 150B do not interfere with each other, the crotch buckle 76 is It is tilted to the seat back 16 side and is in the position shown by the solid line in FIG. Therefore, The wearing condition of the children's infant belts 72, 73 is optimum. On the other hand, sheet cushion The rail 114 of the seat 18 is engaged with the lower groove 86 of the seat back 16 ( When the seat surface is at the lowest position), the contact portion 88 interferes with the stopper 136. Since it is in the position, the amount of tilt of the crotch buckle 76 to the seat back 16 side is reduced. 10 is at the position shown by the alternate long and short dash line in FIG. Therefore, even in this case, the child The wearing state of the infant belts 72 and 73 is optimal. However, this level of clock The opening amount of the side support 118 is small with the tilt amount of the chibuckle 76.

[0049]   Then, the crotch buckle 76 is detached from the seat cushion 18 and the uni When used as a sheet for a., The crotch buckle 76 is shown by the chain double-dashed line in FIG. Is tilted to the position where Therefore, in this state, the side support 118 is shown in FIG. Open to the position indicated by the chain double-dashed line to fit the physique of an infant (5 years or older) Growling.

[0050]   In the above-mentioned embodiment, the child seat 10 is used for the child seat and the junior seat. I explained the configuration and each operation when used as a seat, but for children For using the seat 10 as a baby seat and infant seat The configuration and each operation will be described below.

[0051]   As shown in FIGS. 12 and 13, baby seats and infant seats. When the child seat 10 is used as the baby seat, the baby seat as the baby seat is used. The phantom unit 160 is also used. Baby infant unit 1 The 60 has a pedestal 162 in the center, and a grip 164 is formed on the pedestal 162. Is made. The lower part of the pedestal 162 is a fixing part 166. The portion 166 is fixed to the turntable 14 fitted to the base portion 12. Fixed part The fixing structure for the 166 and the turntable 14 is a child except for the lock pin 168. Since it is the same as the case of the vehicle seat, the description of the same components will be omitted.

[0052]   Further, the seat cushion 172 and the seat back 170 are attached to the pedestal 162. The seat cushion 172 and the seat back 170 are attached to each other. It is possible to rotate in a direction in which they approach each other and away from each other.

[0053]   When using the Baby Infant Unit 160 as a baby seat As shown in FIG. 12, the seat cushion 172 and the seat back 17 are 0 is used in a horizontal state, that is, in a baby bed state. . Make the baby infant unit 160 function as an infant seat If the seat cushion 172 and the seat back are used as shown in FIG. It is used in this state by rotating it so that it makes a predetermined angle with 170. There is.

[0054]   Here, as shown in FIG. 14, the baby infant unit 160 has a lock. The structure of the lock pin 168 is slightly different from that of the lock pin 92 described above. A groove 174 is formed on the rear surface of the tip of the nozzle 168. And, FIG. In the fixing hole 96 located on the upper side in FIG. 176 is provided. Therefore, the baby infant unit 160 is The lock pin 168 can fit into the fixing hole 96 located on the upper side. However, the lock pin 9 of the seat back 16 when used as a child seat 2 cannot enter this fixing hole 96. That is, at this position Only the rotation of the seat back 16 of the child seat is allowed.

[0055]   The operation of this embodiment will be described below according to the growth of the child.   When carrying an infant aged 0 to less than 6 months in a vehicle, first, Fixing operation to the seat cushion of the vehicle and attaching to the holding lid 22 of the turntable 14 The fitting operation is performed.

[0056]   First, the base portion 12 is placed on the seat cushion of the vehicle. After placing, Open the holding lid 22 of the spout part 12, and put the lap webbing 34 on the webbing hook 26, It is locked by the webbing guide 28. Then, the holding lid 22 is closed. Closed In the opened state, the lock plate 46 of the operation knob 38 shown in FIG. The L-shaped plate 48 on the 20 side is engaged. Therefore, the pressing plate 54 Is not projecting above the accommodation recess 58 of the turntable 14, The cable 14 can be fitted therein. In addition, the holding lid 22 is closed. Thus, as shown in FIG. 2, the fitting protrusion 32 is fitted into the fitting recess 30 and the It is sandwiched by pew webbing 34 or lap webbing 34 and shoulder webbing 37. To be done. By the operation described above, the operation of fixing the base portion 12 to the seat cushion can be performed. finish.

[0057]   Next, the turntable 14 is fitted to the holding lid 22. In this state, turn The table 14 is rotatable.

[0058]   When these operations are completed, first, baby infant unit 160 Is fixed to the turntable 14 in a state as shown in FIG. Fixed Regarding the operation, since it is performed in the same way when used as a child seat, I will touch on it in the explanation of the child seat.

[0059]   After the baby infant unit 160 is fixed to the turntable 14, From the position shown by the solid line in FIG. 6 to the position shown by the alternate long and short dash line The baby infant unit 160 is pulled out and rotates integrally with the turntable 14. It is made possible. After that, the baby infant unit 160 turns 90 degrees The control lever 102 is rotated and returned to the original position. As a result, the lock pin 16 8 is fitted into the upper fixing hole 96 in FIG. Finally, as shown in Figure 12. As described above, the baby infant unit 160 is put into a baby bed. this The state is the third use state. In addition, vehicle seats and baby infant Depending on the size of the knit 160, turn it into a baby bed in advance. It is also possible to fix it to the cable 14.

[0060]   As a child grows up and is 6 months to 1 year old, used as an infant seat If there is, the baby infant unit 160 is bent at a predetermined angle. It may be fixed to the turntable 14 in this state.

[0061]   Furthermore, as the child grows up and becomes 1 to 4 years old, it becomes a child seat. If you want to use it, the customer purchases the seat back 16 and seat cushion 18. All you have to do is

[0062]   Then, first, the fixing portion 68 of the seat back 16 is fixed to the turntable 14. It At this time, when the vehicle door is open, the seat back is placed on the base 12 from the outside of the vehicle compartment. 16 is fixed.

[0063]   As shown in FIG. 5A, first, the fixing portion 68 is inclined to the turntable 14. It is placed in a closed state. Next, as shown in FIG. 5 (B), the protruding portion of the fixed portion 68. 90 is engaged with the first engagement hole 60 of the turntable 14. And FIG. 5 (C) As shown in, the fixing portion 68 is directly attached to the accommodation recess 58 of the turntable 14. By pressing, the lock pin 92 resists the urging force of the compression coil spring 94. The bottom of the fixed portion 68 is retracted into the fixed portion 68, and the bottom surface of the fixed portion 68 accommodates the accommodation recess 5 of the turntable 14. When the lock pin 92 comes into contact with the bottom surface of No. 8, the lock pin 92 is turned by the biasing force of the compression coil spring 94. The second engaging hole 62 of the cable 14 and the fixing hole 96 of the holding lid 22 are penetrated. By this Then, the operation of fixing the seat back 16 to the turntable 14 is completed.

[0064]   After the operation of fixing the seat back 16 to the turntable 14 is completed, the operation lever is -102 to the position shown by the alternate long and short dash line in FIG. Both are directed to the outside of the room. And the seat cushion 18 becomes the seat back 16. Be connected. At this time, the seat cushion should be adjusted according to the physical constitution of the infant (1 to 4 years old). The seat height of the carriage 18 is set. Seat cushion for high sitting infants The rails 114 of the eighteen blocks 112 are inserted into the lower grooves 86 of the fixing portion 68. In the case of an infant with a low sitting height, the rail 114 is inserted into the groove 84 on the upper stage. Na If the vehicle interior space is large, do not rotate the seat back 16 The seat cushion 18 may be connected to the seat back 16.

[0065]   Next, the buckle switch 77 is pressed and the crotchback 74 and crotchback The engagement state with the lever 76 is released. After that, the crotch buckle 76 is defeated and youth The child is seated on the seat portion 110 of the seat cushion 18. Crotch buckle 76 In the state of being tilted, the side support 118 opens in conjunction with this, so that the infant can be seated. It is easy to sit on the part 110.

[0066]   After the infant is seated on the seat 110, the crotch buckle 76 is raised and the The catch buckle 76 and the crotch lug 74 are re-engaged. This allows the infant Is the state where the infant belts 72 and 73 are attached. This state is the first usage state It With the crotch buckle 76 raised, the side supports 118 are also attached to each other. Improves the restraint of the infant in the vehicle width direction because it is moving toward the vehicle be able to.

[0067]   After attaching the infant belts 72, 73 to the infant, the operation lever 102 is again set at one point in FIG. The seat back 16 is rotated to the front side of the vehicle by being pulled out to the position indicated by the chain line. Be directed. As a result, the vehicle can travel. In addition, the infant from the vehicle When getting off the vehicle, the operation reverse to the operation described above may be performed.

[0068]   Then the child grows further and the child seat 10 is used as a junior seat In this case, the seat back 16 is separated from the turntable 14, and the base portion 12 And only the seat cushion 18 is used.

[0069]   First, the crotch buckle 76 is separated from the seat cushion 18. Sanawa After the engagement between the crotch buckle 76 and the crotch lug 74 is released, The crotch buckle 76 is pushed down from the state shown in FIG. 8 and is shown in FIG. 9 (A). To be in a state. Next, the crotch buckle 76 is shown in FIGS. 9 (B) and 9 (C). Are separated from the drum 122 in the order shown. Side support when separated The body of an infant (5 years old or older) opens up to the state shown by the chain double-dashed line in FIG. It is designed to fit the case.

[0070]   After the crotch buckle 76 is released from the seat cushion 18, The option 18 is pulled out from the seat back 16. Next, the seat back 16 The table 14 is separated. From the turntable 14 of the seat back 16 The detaching operation may be performed in the reverse order of the fixing operation described above.

[0071]   After the seat back 18 is separated from the turntable 14, the turntable 1 4 is removed from the holding lid 22. After detachment, the holding lid 22 is opened and the lap web The hook 34 is removed from the webbing hook 26 and the webbing guide 28. afterwards The holding lid 22 is closed and the rotary plate 24 is flattened. In this state, The rail 114 of the seat cushion 18 is engaged with the pair of elastic holding claws 35 of the holding lid 22. Be stopped. Then, the infant is seated on the seat portion 110 of the seat cushion 16 and The lap webbing 34 is attached to the webbing hook 26 while being locked. This state is the second usage state. A junior seat will be placed in the passenger seat In some cases, lap webbing and shoulder webbing of a three-point seat belt device Both causes the infant to be put on the webbing.

[0072]   In this way, in this embodiment, the child seat 10 can be systemized, so Shares the base portion 12 over a wide range from infants to infants, and is suitable for children's growth. In addition, the baby infant unit 160 attached to the base 12 and Replace only upper components such as seat back 170 and seat cushion 172 You can do it. Therefore, the child seat 10 can be made economical. this If the customer damages some of the upper or lower components in connection with (For example, when the seat surface of the seat cushion 16 is damaged) Since you only need to replace the new one, even if you partially damaged it as before. Compared to the case where the whole must be replaced, it can be made more economical.

[0073]   When used as a junior seat, the rotating plate 24 is used as a seat cushion. The seat surface is substantially flush with the seat surface of the seat portion 110 of the seat 18, so that the seat surface is substantially extended. As a result, the sitting performance of the infant can be improved. In addition, the child sea When used as a seat, since the rotary plate 24 is in an upright state, the seat back 1 There is no hindrance during the fixing operation of 6, and the seat back of the vehicle at this position Since the contact state can be surface contact, local damage to the vehicle seat back can occur. Also does not give.

[0074]   Further, in this embodiment, the side support is provided according to the tilt angle of the crotch buckle 76. Since 118 opens and closes in conjunction with each other, the seat cushion of the child can be adjusted according to the physique of the child. You can improve the feeling of sitting on the seat 18. Also, this side support In the port 118, when the vehicle makes a right turn, a left turn, etc. There is also a function to prevent the displacement of the seating position due to it. In addition, crotchback Meshes with the middle gear 142 in the interlocking structure of the lever 76 and the side support 118. Since the worm gear 144 is used as the gear, it is relatively large from the side of the vehicle. Even if the load acts on the side of the vehicle, the angle of the side support 118 can be maintained. In addition, the tilt angle of the crotch buckle 76 does not shift. Furthermore , When used as a child seat and when used as a junior seat And the opening angle of the side support 118 is changed. When used as, the opening and closing angle is around the state shown by the solid line in FIG. When used as a junior seat, the opening and closing angle shown by the two-dot chain line in the figure) It is possible to obtain seating performance according to the physical constitution of the child.

[0075]   In addition, in this embodiment, in order to fix the seat back 16 to the base portion 12, Since it is fixed in two places by the part 90 and the lock pin 92, the state after fixing is stable. Can be set. Moreover, the protrusion 90 is a support fixed to the reinforcing plate 40. Since it is fixed by the holding plate 56, the child's upper body movement or vehicle vibration It is possible to prevent the seat back 16 from moving up and down due to movement or the like. You That is, the support plate 56 applies a load on the seat back 16 to the upper side of the vehicle. Especially suppressed.

[0076]   Further, in this embodiment, the seat back 16 is fixed to the base portion 12, From the turntable 14 of the seat back 16 Since the operation lever 102 is used to operate the three stages of the detachable state, The switching operation can be facilitated. In addition, the turn back of the seat back 16 When leaving the cable 14, the operating lever 102 must be rotated 90 degrees once. Therefore, for example, when the seat back 16 is rotated, the seat back 16 may be It will not come off the turntable 14.

[0077]   In the present embodiment, the seat cushion 18 and the seat back 16 are seated in relation to each other. Although an example of configuring the height adjustment of the surface has been shown, the present invention is not limited to this, and the height is adjusted according to the sitting height of the child. The drest 66 may be moved up and down for adjustment.

[0078]   In addition, the child seat 10 in this embodiment is provided with a reclining mechanism. However, for example, the fixing portion 68 of the seat back 16 has a divided structure, and The side is kept fixed to the turntable 14, and the upper side with respect to the lower side. A reclining mechanism may be provided by making it slidable.

[0079]   Further, in this embodiment, the seat cushion 18 is fixed to the seat back 16. However, the configuration is not limited to this, and the seat back 16 and the seat cushion 18 may be used. The displacement may be fixed to the base 12.

[0080]   As described above, as a result, an occupant restraint web is provided between the main body 20 and the base body 20. The base body 20 is fixed to the seat by holding the holding lid 22 for holding the bing. To make the seat body having the bag 16 and the seat cushion 18 detachable The seat body can be replaced, which allows it to be used extensively as the child grows up. In addition, the occupant restraining webbing can be attached to the base body 20 and the holding lid 22. With the simple mechanism of sandwiching between the child, the child seat 10 can be securely and easily placed on the seat. The parts that can be fixed and that are necessary for fixing the child seat 10 are There is no need to prepare it separately.

[0081]   In addition, the seat main body having the seat bag 16 and the seat cushion 18 holds the lid. 22 is detachably provided, the sheet main body is arranged on the holding lid 22. Since a child sits on the seat body, the occupant restraining webbing is provided on the base body 2 It is firmly clamped between 0 and the clamping lid 22.

[0082]   Next, a second embodiment will be described.   16 and 17 show a child seat 308 according to this embodiment.

[0083]   In the child seat 308, the base body 310 is formed in a box shape. The base body 310 has a rectangular bottom wall 312, as shown in FIG. On both lateral edges of the wall 312, side walls 314 gradually increase from the front end toward the rear end. Is formed in an arc shape so that the back wall 316 is formed at the rear edge of the bottom wall 312. , Is formed so as to stand up at a height corresponding to the side wall 314.

[0084]   A guide groove 316 is provided on the inner surface of each of the side walls 314. The guide groove 316 is Around the front and rear ends of the side wall 314 in an arc along the rising shape of the side wall 314. It is extended.

[0085]   As shown in FIG. 19, the base body 310 includes a tilting table that tilts in the front-rear direction. 318 is provided. The tilt table 318 is housed in the base body 310. Is formed in a shape that is arcuate in the front-rear direction, and is formed on both side surfaces in the lateral direction. A protrusion 322 that extends in the front-rear direction in an arc shape is provided so as to face the guide groove 316. . The protrusion 322 is engaged in the guide groove 316 and slides along the guide groove 316. By moving, the tilting table 318 can be tilted.

[0086]   In addition, a pair of fitting shafts 324 and 325 are installed at the front and rear ends on the upper surface of the tilting table 318. It has been burned. The fitting shafts 324 and 325 are arranged so that the axial direction is the lateral direction of the tilting table 318. Are provided in parallel, and are recessed in the upper surface of the tilting table 318 corresponding to the fitting shafts 324 and 325. The fitting shafts 324 and 325 are located in the mounting recess 326 provided, and both ends of the fitting shafts 324 and 325 are removed. It is fixed to the side surface inside the attachment recess 326.

[0087]   A seat body 328 is provided on the tilting table 318 as shown in FIG. The seat body 328 includes a seat cushion 330 as a seating portion and a back support portion. Seat back 330 and seat cushion 330 and seat back 33. The side supports 334 are continuously formed on both sides of the seat 2 in a lateral direction to project the seats. A crotch buckle 336 is provided at the center of the cushion 330 so as to project upward, and A belt 338 (only a part of which is shown) provided on the tobacco 332 is a crotch buckle. 336 is engaged.

[0088]   In addition, as shown in FIG. 18, the front surface of the bottom wall 312 of the base body 310 is A pair of stopper pieces 370 extending in the front-rear direction from the ends are provided so as to face each other in parallel. The stopper piece 370 has a plurality of stopper holes 3 on the arc line corresponding to the arc shape of the guide groove 316. 72 are provided.

[0089]   On the other hand, on the bottom surface of the tilting table 318, the bracket 374 is positioned so as to be positioned between the stopper pieces. Is provided. The bracket 374 is a bracket whose upper part is opened when viewed from the front-rear direction. The upper end flange 376 is fixed to the lower surface of the tilting table 318, A stopper shaft 378 is provided inside the bucket 374. Stop shaft 378 is left The right end is formed by a pair, the axial direction is the lateral direction of the tilting table 318, and the outer end is the bracket. 372 through the side piece 380 of the base body 374 The tilting position of the tilting table 318 is maintained by being engaged with the inside. Also, the bracket 374 An operation lever 382 is provided therein so as to be movable in the front-rear direction, and the operation lever 382 is provided. Is formed with a pair of guide slits 384 in a V shape when viewed from above and below. . The guide slit 384 is bent upward at the inner end of the stop shaft 378. The bent protrusion 386 is fitted therethrough, and the operation lever 382 is not To move forward by pulling forward against the coil spring 388 interposed between As a result, the bent protrusion 386 is guided along the guide slit 384. The stop shaft 378 moves inward in the axial direction, and the outer end of the stop shaft 378 stops at the stop hole. It deviates from 372, and the tilting table 318 is allowed to tilt.

[0090]   On the bottom surface of the seat body 328, as shown in FIG. Pair of fitting plates 340 corresponding to both ends of the fitting shaft 324 of A pair of fitting plates 342 corresponding to both ends of 325 are respectively provided so as to project downward. Has been. Both fitting plates 340 and 342 open downward when viewed from the front-rear direction. A support piece 344 formed in a U-shape that is released and fixed to the bottom surface of the seat body 328. And a pair of facing pieces 348 facing each other on both sides of the supporting piece 344. 8, fitting notches 350 and 352 for fitting with the outer peripheral surfaces of the fitting shafts 324 and 325. Are formed. The fitting notches 350 and 352 are formed on the front fitting plate 340. In this case, the fitting is made such that the front is opened and the fitting shaft 324 is fitted from the rear. The mating cutout 350 is provided, and the rear fitting plate 342 has an opening at the bottom. Is formed into a fitting notch 352 that is fitted into the fitting shaft 325 from above. There is.

[0091]   The rear mating plate 342 has an internal lock plate, as shown in FIG. And a lock cutout 356 is formed in the lock plate 354. The lock notch is formed when the fitting notch 352 is fitted to the fitting shaft 325. The fitting shaft 325 is inserted into the inside of 356, whereby the lock shaft 355 is rotated around the lock shaft 355. The lock plate 354 is rotated. In addition, a stopper is provided in the fitting plate 342. 358 is provided to rotate the lock plate 354 (in the direction indicated by arrow A). Along with this, the stopper 358 is pushed and rotated around the stopper shaft 359 (indicated by the arrow B). (The direction shown), the convex portion 362 of the lock plate 354 is aligned with the concave portion 360 of the stopper 358. When it escapes to, the stopper 358 is rotated in the direction opposite to the arrow B and the stopper 358 is recessed. It is locked to 360 (FIG. 22). At this locking position, the fitting plate 342 is fitted. The notch opening of the notch 352 is closed by the lock plate 354, The fitting shaft 325 is locked in the notch 356. In addition, it fits with the stopper 358. The coil spring 361 is interposed between the mating plate 342 and the concave portion of the stopper 358. The portion 360 is positioned at the locking position for the convex portion 362 of the lock plate 354. Thus, the stopper 358 is urged to rotate. Also, on the back surface of the seat body 328, , A lock release lever 364 is rotatably provided, and is provided around the lever shaft 363. When it is rotated to the direction (in the direction indicated by arrow C), the shaft claw 36 of the lock release lever 364. 5 pushes up the protruding piece 357 of the stopper 358 against the biasing force of the coil spring 361. Then, the stopper 358 is rotated in the direction of arrow B, and the recess 360 of the stopper 358 is rotated. The locking of the lock plate 354 with respect to the convex portion 362 is released. by this , The rotation of the lock plate 354 in the direction opposite to the arrow A is permitted, and the fitting shaft 325 Is unlocked.

[0092]   In this way, the seat body 328 is attachable to and detachable from the tilting base 318. .

[0093]   The upper surface of the side wall 314 of the base body 310 is shown in FIGS. As described above, a sandwiching member is formed between the lower surface of the seat body 328 and both lateral portions of the lower surface. A lock bar 390 is provided. Lock bar 390 is shown in FIG. Like, a U-shape having an open upper part and extending in the front-rear direction of the base body 310, The rear end is the base at the rear end of the substrate 392 fixed to the upper surface of the side wall 372. Between a pair of mounting pieces 394 that are erected opposite to each other on both sides of the main body 310 in the lateral direction. , Is axially supported by a shaft pin 396 whose axial direction is the lateral direction of the base body. It is rotatable around 96.

[0094]   Inside the lock bar 390, at the tip (front end), A roller 398 whose axial direction is rotatably supported, and a lock bar 390. Corresponding to the U-shaped bottom 400 of the board, the board 392 is opened together with the base body 310. The opening 402 is formed, and the seat body 328 is mounted on the tilting table 318. Then, as shown in FIG. 24, the side wall of the base body 310 is inserted through the roller 398. The lock bar 39 is provided between the upper surface of 314 and the laterally opposite sides of the lower surface of the seat body 328. 0 is sandwiched and pressed, and the U-shaped bottom 400 of the lock bar 390 is opened in the substrate 392. The webbing 404 that has entered the portion 402 and is hung on the base body 316 is the base. It is sandwiched between the plate 392 and the U-shaped bottom 400 of the lock bar 390. Note that the lock The bar 390 has a tip end portion extending in front of the opening 402 of the substrate 392 so that the substrate 3 It is in contact with the upper surface of the front end portion of 92, which restricts the rotation of the lock bar 390. Be bundled.

[0095]   The upper surface of the tilting table 318 is recessed at the portion where the webbing 404 straddles. In addition, the lower surface of the seat body 328 is formed on the upper surface of the tilting table 318 and the base body. The seat body 328 is mounted on the tilting table 318 while being separated from the upper surface of the side wall 314 of the 310. The upper surface of the tilting table 318 when the tilting table 318 is tilted. And a sufficient gap is formed so that the lower surface of the seat body 328 does not come into contact with the webbing 404. Has been formed.

[0096]   According to this configuration, in order to fix the child seat 308 to the seat 406, first, The webbing 404 includes shoulder doweling 408 and wrap webbing 410. In a state where they are overlapped with each other, straddle the base body 310 together with the tilting base 318 to lock it. The bar of the webbing 404 is hung and passed between the bar 390 and the substrate 392. The grip plate 410 is engaged with the buckle device 412. And the seat body 32 The front fitting plate 340 of FIG. 8 to the front fitting shaft 324 of the tilting table 318 from the rear. So that the rear fitting plate 342 is fitted to the rear fitting shaft 325 from above. Then, the seat body 328 is mounted on the tilting table 318.

[0097]   When the seat body 328 is mounted on the tilting table 318, at the same time, the lock bar 390 is interposed between the seat body 328 and the base body 310 via the roller 398. The webbing 404 is sandwiched and pressed to rotate, and the webbing 404 is moved to the U-shaped bottom 4 of the lock bar 390. 00 and the substrate 392, the base body 310 is fixed to the seat 406. It

[0098]   In this way, the lock bar 390 is locked at the same time as the seat body 328 is mounted. The child seat 308 is fixed to the seat 406 by sandwiching the ebbing 404. Easier and faster to set.

[0099]   Further, in the reclining operation, the operation lever 382 is operated to move the stop shaft. The engagement between 378 and the stop hole 372 is released, and the tilting table 318 is tilted at a desired angle. , The stop shaft 378 may be engaged with the other stop hole 372 again. At this time, the sheet book As the body 328 tilts, the roller 398 rotates, and the rotation of the roller 398 causes the roller 398 to rotate. Tilting of the seat body 328 is allowed.

[0100]   As a result, even if the reclining operation is performed on the lock bar 390, The seat body 328 can be smoothly tilted, and the webbing holding operation of the lock bar 390 is performed. Is not affected by the reclining action, ensuring that the child seat 308 is fixed Maintained.

[0101]

[Effect of device]

  The child seat according to the present invention can be widely used according to the growth of the child. In addition, the child seat can be securely and easily fixed to the seat cushion. A child who does not need to prepare the parts necessary for fixing the service seat separately from the child seat. Get a sheet for.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state where a base, a turntable, a seat back and a seat cushion of a child seat according to a first embodiment are separated.

FIG. 2 is a cross-sectional view showing a state in which a holding lid is fitted into the base body of FIG. 1 and a lap webbing is held and fixed.

FIG. 3 is a perspective view showing a mechanism for fixing a holding lid to the base body of FIG. 1 and a turntable-side pressing plate related thereto.

FIG. 4 is a plan view showing a state in which a turntable is fitted to the holding lid of FIG.

5 (A), (B), and (C) are explanatory views for explaining an operation until the fixing portion of the seat back of FIG. 1 is fixed to the turntable.

6 is a side view showing a configuration of a lock pin and an operation lever of FIG.

FIG. 7 is a perspective view showing a drum provided on a crotch buckle and a seat cushion.

FIG. 8 is a cross-sectional view showing a state in which the hook of the crotch buckle is locked to the drum.

9 (A), (B), and (C) are explanatory views for explaining an operation of separating the crotch buckle from the drum.

FIG. 10 is a perspective view showing an interlocking mechanism of a crotch buckle and a side support.

FIG. 11 is a side view showing a case where the sheet is used as a junior seat.

FIG. 12 is a front view when used as a baby seat.

FIG. 13 is a side view when used as an infant seat.

FIG. 14 is a perspective view showing a lock pin of the baby infant unit.

FIG. 15 is a side view when the baby infant unit is used in a buggy state.

FIG. 16 is a view of the child seat according to the second embodiment as viewed from the vehicle lateral direction inward direction.

FIG. 17 is a perspective view of the child seat according to the second embodiment as viewed from the vehicle lateral direction inward direction.

FIG. 18 is a perspective view of the base of the child seat according to the second embodiment as viewed from the inside in the vehicle lateral direction.

FIG. 19 is a perspective view of the base and the tilting base of the child seat according to the second embodiment as viewed from the inside in the vehicle lateral direction.

FIG. 20 is a perspective view of the seat body of the child seat according to the second embodiment as viewed from below the vehicle.

21 is a cross-sectional view taken along line 21-21 of FIG.

22 is a diagram showing a state in which the fitting shaft is fitted to the fitting plate in FIG. 21. FIG.

FIG. 23 is a perspective view of the lock bar of the child seat according to the second embodiment.

24 is a sectional view taken along line 24-24 of FIG.

FIG. 25A is a cross-sectional view of the webbing in which the locking clip is not attached to the webbing, and B is a cross-sectional view of the webbing in which the locking clip is attached to the webbing.

[Explanation of symbols]

10 Child Seat 16 Seat Back (Seat Main Body) 18 Seat Cushion (Seat Main Body) 22 Clamping Lid (Clamping Member) 20 Base Main Body 160 Baby Infant Unit (Infant Seat) 308 Child Seat 318 Tilt Table 328 Seat Main Body 390 Lock bar (holding member) 398 Roller 310 Base body

Continued front page    (72) Inventor Hiroshi Tsuge             1 Noda, Oita-cho, Oguchi-machi, Niwa-gun, Aichi               Tokai Rika Electric Co., Ltd. (72) Creator Sumika Sasaki             1 Noda, Oita-cho, Oguchi-machi, Niwa-gun, Aichi               Tokai Rika Electric Co., Ltd.

Claims (4)

[Scope of utility model registration request] 1. A child having a base having a base body and a sandwiching member for sandwiching an occupant restraining webb and fixed to a seat cushion of a vehicle, and a seat body detachably provided on the base. Sheet. 2. The child seat according to claim 1, wherein the seat body is detachably provided on the holding member. 3. The seat main body is removably provided on the base main body, and the sandwiching member is sandwiched between the seat main body and the base main body to perform a webbing sandwiching operation when the seat main body is mounted. 1. The child seat described in 1. 4. A tilting table is provided on the base body so as to be tiltable, the seat body is detachably provided on the tilting table, and tilts together with the tilting table to perform a reclining operation, and the holding member and the seat body are provided. A roller is provided between the sheet main body and the sheet main body and the base main body, and when the sheet main body is attached, a sandwiching member is sandwiched between the sheet main body and the base main body to perform a webbing sandwiching operation. The child seat according to claim 3, wherein tilting of the main body is allowed.