JP2001310664A - Reclining device of child car seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reclining device of a child car seat having reclining and rebound stopping functions and easy structure at low cost. SOLUTION: The reclining device 10 has an U-shaped operation lever 13 attached under a child car seat, a rocking arm body 20 which is adhered to a base and provided for rotating to a supporting shaft 21, and a rebound stopper 30 supported to the car seat. The first hanging slot 17 of the operation lever 13 has the first slot part 171 for setting a rocking arm 22 on and off to the base and the second slot part 172 for moving the operation lever 13 to jut out from the seat body and is hung with a rocking roller 25. The second hanging slot 18 has wide and narrow slot parts 181 and 182 and is inserted with a rebound stopper shaft 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reclining device for a child seat, and more particularly, to a rattling (rebound) of a child seat fixed to a seat portion of a vehicle.
The present invention relates to a child seat reclining device having a rebound stopper function for preventing a reclining.

[0002]

2. Description of the Related Art A child seat has a base disposed on a vehicle seat and a seat body on which a young person sits, and is mounted on a vehicle seat to protect the young person from obstacles. And is generally fixed to a seat with a vehicle seat belt. Furthermore, depending on the weight or age of the child, the child seat is mounted on the seat such that the seat body is tilted with respect to the base, or is disposed forward or backward with respect to the seat. For example, in infants and toddlers such as infants and toddlers who cannot get up on their own, place the child in the seat with the seat body in a substantially horizontal state and place the child with the child seat facing backwards. The child seat is mounted forward so that the seat body can be arranged at a position where the seat body is inclined from a substantially vertical state. Accordingly, a reclining device for tilting the seat body at various angles is generally mounted.

The conventional reclining device includes an operating lever for swinging the seat body in the front-rear direction with respect to the base, a locking device for locking the seat body at each position inclined with respect to the base, and a locking device for the seat body. And a guide portion for guiding the swing.

[0004]

However, in the case where a child or an infant who cannot get up is mounted and the child seat is mounted rearward, the seat body is set to a substantially horizontal state by a reclining device, and then the child seat is rattled. Must be fixed to the seat so that it does not.
In a conventional child seat, in order to prevent rattling, a frame-shaped rebound stopper abutting on a back portion of a vehicle seat is mounted so as to protrude upward from a front end of the child seat. Then, the child seat is fixed to the seat in a state where the rebound stopper is in contact with the upper part of the back of the seat, so that rattling of the child seat generated during driving is minimized. In a conventional child seat, a reclining device is mounted on a front end portion of a seat body, and a rebound stopper is formed at another position, so that the child seat itself is complicatedly configured, which increases costs.

An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide a reclining device for a child seat which has a reduced cost by providing a reclining stopper function to the reclining device.

[0006]

A child seat reclining device according to the present invention is configured as follows in order to solve the above-mentioned problems. That is, a child seat is configured to include a seat body on which a child is seated, and a base that supports the seat body, and a first position in which the seat body is disposed in a direction substantially perpendicular to the base. A second position where the seat body is disposed in a substantially horizontal direction, and at least one neutral position disposed at a position inclined between the first position and the second position. A child seat reclining device configured to be swingable so that it can be held, wherein an operation lever that is movable with respect to the seat body in a swing direction of the seat body is provided on the seat body. The operation lever is held at the second position of the seat body and is disposed rearward with respect to the seat of the vehicle, and the operation lever further projects from the seat body. By moving to a configuration can come into contact with the back of the seat, the operating lever and is characterized by being formed as a rebound stopper for preventing the rebounding of the child seat secured to the seat.

Preferably, the operation lever is formed in a substantially U-shape having a hand-held portion and both arm portions formed orthogonally from both ends of the hand-held portion, and the arm portion has a sliding member. A first engagement groove in which a roller is slidably engaged is formed, the first engagement groove includes a first groove portion for locking and unlocking the seat body to and from the base, And a second groove that can move the operation lever to a position formed as the rebound stopper.

[0008] More preferably, the sliding roller is provided at one end of a swing arm pivotally supported by the sheet body, and a plurality of sheets formed on the base are provided at the other end of the swing arm. It is sufficient that a hook portion that can be locked in the main body locking hole is provided.

A second arm is provided on the arm of the operating lever.
Is formed in the second engagement groove, a wide groove portion and a narrow groove portion connected to the wide groove portion are formed, and when the seat body is at the second position, It is more preferable that a rebound shaft for enabling the operation lever to move to a position formed as the rebound stopper is formed so as to selectively engage the wide groove portion and the narrow groove portion. .

[0010]

According to the present invention, since the reclining device for a child seat is constructed as described above, the operation lever itself for operating the reclining can have a function as a rebound stopper, thereby complicating the child seat. Without configuring, cost can be reduced.

That is, the operating lever for reclining is moved between a first position where the seat body is disposed substantially vertically and a second position where the seat body is disposed substantially horizontally by pulling out the operating lever. The operation lever itself can be brought into contact with the upper part of the seat by arranging the child seat rearward and further protruding the operation lever in the second position. Then, if the child seat is fixed to the seat with a seat belt in this state, the child seat is
Both ends of the base fixed to the seat part of the seat with a seat belt,
The seat is supported at three points: the operation lever supported at a high position at the back of the seat, and a rebound stopper function for reducing vibration and rattling of the child seat can be exhibited.

Then, the first groove and the second groove are provided on the operation lever.
By forming a first engagement groove having a groove portion of
The first groove allows the seat body and the base to be locked and unlocked at each locking position, thereby enabling the reclining function to be exhibited. The second groove allows the operation lever itself to move with respect to the seat body. , Whereby the rebound stopper function can be exhibited. Therefore, by forming the first engagement groove in the operation lever, the reclining function and the rebound stopper function can be provided, so that the child seat can be configured to be compact and cost-effective. In addition, since the first engagement groove is formed on both arms of the U-shaped operation lever, the hand-held portion can be formed with a wide width, so that the effect of easy operation can be achieved.

In the first engagement groove, a sliding roller provided at one end of a swing arm pivotally supported by the seat body is formed so as to be slidable. By sliding in the groove portion, the hook portion provided at the other end of the swing arm acts so as to be able to be locked in the locking hole of the base. Can be locked. Then, the sliding lever slides in the second groove while the hook portion is locked in the locking hole of the base, so that the operation lever itself can protrude and move with respect to the seat body, A rebound stopper function can be achieved. Therefore, the reclining function and the rebound stopper function can be achieved by one sliding roller of the swing arm, so that the child seat can be configured to be compact and cost-effective.

Further, a second arm is provided on the arm portion of the operation lever.
Are formed, and the rebound shaft is engaged. In a state where the rebound shaft is selectively engaged in the wide groove portion of the second engagement groove, the sliding roller of the swing arm slides in the first groove portion of the first engagement groove. In a state in which the reclining function is operated and the rebound shaft is selected and engaged with the narrow groove portion, the sliding roller of the swing arm moves in the second groove portion of the first engagement groove. , And a rebound stopper function is operated. Therefore, by forming the first engagement groove and the second engagement groove in the operation lever, the reclining function and the rebound function can be achieved by one operation lever, so that the child seat is configured to be compact and cost-effective. be able to.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a child seat reclining device (hereinafter, referred to as the present device) 10 of the present embodiment is disposed in front of a lower portion of a seat body 3 of a child seat 1 and a seat body 3 on which a young person sits. Is swingable with respect to a base 5 placed on a seat portion 8 of a seat 7 of a vehicle.

In the following description, it is assumed that the child seat 1 is mounted on an auxiliary seat adjacent to the driver's seat, and that the child faces forward in the traveling direction of the vehicle. The state in which the child is seated is referred to as the front of the child seat 1, and the state in which the child is seated rearward is referred to as the rear of the child seat 1.

As shown in FIGS. 2 to 4, the apparatus 10 has an operation lever 13 formed in a substantially U-shape,
Arm body 20 engaged with sliding roller 25 via
Stopper member 3 through which operation lever 13 is inserted
And a support shaft 21 that supports the swing arm body 20 so as to be able to swing is supported by the seat body 3, and a hook portion 26 that is arranged on the opposite side of the swing arm body 20 from the slide roller 25 is provided. ,
It is configured such that it can be locked in a plurality of locking holes 51 formed in the base 5.

The operation lever 13 has a hand-held portion 14 formed forward, and two arms 15, 15 extending from both ends of the hand-held portion 14 in a direction perpendicular to the hand-held portion 14. It is formed in the shape of a letter. Each arm 15
At the distal end portion extending from the hand-held portion 14, the action portion 16 is formed to be wide in the height direction, and the action portion 16 is provided with three engagement grooves. The first engagement groove 17 is disposed above the action portion 16 and is formed so that the first groove 171 and the second groove 172 are connected. As shown in FIG. 5, the first groove 171 is formed such that a groove having the same width is inclined downward from the front to the rear, and the second groove 172 connected from the rear end of the first groove 171 is formed. It is formed so as to be a substantially trapezoidal groove such that the upper side 173 expands rearward.

A sliding roller 25 mounted on the swing arm 20 is engaged with the first engaging groove 17, and the width of the first groove 171 is substantially the same as the outer diameter of the sliding roller 25. It is formed in dimensions. Then, the sliding roller 25 is connected to the first groove 1.
By sliding in the inside 71, the swing arm body 20 swings around the support shaft 21, so that the hook portion 26 can be locked in one of the locking holes 51 of the base 5. Further, when the sliding roller 25 slides along the upper side 173 of the second groove 172, the operation lever 13 itself can be moved with respect to the seat body 3.

The second engaging groove 18 is disposed at a lower front part of the first engaging groove 17 and, as shown in FIG.
81 and the narrow groove portion 182 are formed so as to be connected. Then, a rebound stopper shaft 31 constituting the rebound stopper body 30 is inserted into the second engagement groove 18.

Each of the wide groove portion 181 and the narrow groove portion 182 is formed in an elongated hole shape so that the rebound stopper shaft 31 can slide, and the narrow groove portion 182 is formed in a semicircular shape formed in the rebound stopper shaft 31. Notch 32
Are formed so that they can be engaged at a position where the diameter is reduced by rotation. Therefore, the rebound stopper shaft 3
Whether 1 selects one of the wide groove portion 181 and the narrow groove portion 182 is determined by rotating the position of the notch 32. Further, the rear end portion of the narrow groove portion 182 forms a groove having the same diameter as the outer diameter of the rebound stopper shaft 31 and forms a lock portion 183 fixed at that position by the engagement of the rebound stopper shaft 31. become.

The third engaging groove 19 serves as a guide for the support shaft 21 of the swing arm 20 to slide.
At the rear lower part from 7, an elongated arc shape is formed. That is, when the operation lever 13 moves to the rebound stopper position, the support shaft 21 fixed to the seat body 3 is slidable.

The oscillating arm body 20 is formed by oscillating arms 22, 22 arranged inside the two arm portions 15, 15 of the operation lever 13 so as to face each other, and integrally connected by a connecting rod 23. ing. And the connecting rod 23
Is formed in a hollow shape, and a support shaft 21 supported by the seat body 3 is inserted into a hollow portion of the connecting rod 23 together with a shaft hole formed in each swing arm 22.

The first engagement groove 17 of the operation lever 13 described above
And a locking hole 51 of the base 5.
The hook portions 26 that can be locked at both ends are disposed at both ends of each swing arm 22. The sliding roller 25 is moved from the swing arm 22 at one end of the swing arm 22 to the operation lever 1.
3 is rotatably supported by a pin 24 protruding toward the side of the arm 15, and the hook 26 projects downward so that the other end of the swing arm 22 can be locked in the locking hole 51 of the base 5. Is formed.

Further, a projection 27 is formed on each swing arm 22 toward the inside so that one end of a coil spring 28 can be locked. The other end of the coil spring 28 is hung on the lower surface side of the seat body 3, and each swing arm 22 is connected to the first groove 1 formed in the first engagement groove 17.
The hook 71 is urged in the foremost end position of the first groove 71 or the rearmost position of the second groove 172, that is, the direction in which the hook 26 is locked in the locking hole 51 of the base 5.

The rebound stopper body 30 includes the above-described rebound stopper shaft 31 inserted through the second engagement groove 18 formed in the operation lever 13, and one end of the rebound stopper shaft 31.
And a stopper lever 35 for rotating the. The rebound stopper shaft 31 is inserted through the second engagement groove 18 of the operation lever 13, and a semicircular notch 32 is provided at a position facing the second engagement groove 18 of the operation lever 13 of the rebound stopper shaft 31. Are formed.

Then, the rebound stopper shaft 31
In FIG. 6, when the stopper lever 35 is rotated in the horizontal direction, the semicircular notch 32 can be slid in the wide groove 181 by arranging the notch surface 32a in the vertical direction in the figure. And the stopper lever 35 is
By rotating in the vertical direction, the cutout surface 32a is arranged in a substantially horizontal direction so that the cutout surface 32a can be engaged in the narrow groove portion 182 and slidable.

The operating lever 13 configured as described above
As shown in FIGS. 2 and 3, a support shaft 21 is provided between a pair of legs 3 a, 3 a disposed between the seat body 3 and the base 5 and formed so as to sandwich the operation lever 13 below the seat body 3.
And the rebound stopper shaft 31 are inserted and supported, so that the seat body 3 can be swingably attached to the base 5. At this time, the support shaft 21
The retaining ring is hung on each of the retaining rings outside the two legs 3a, 3a of the seat body 3 to prevent the support shaft 21 from coming out of the two legs, and the stopper lever is disposed outside the one leg 3a of the seat body 3. And the rebound stopper shaft 3
The other end of 1 is hooked on the other leg 3a of the seat body 3 with a retaining ring, and is attached so as to prevent the rebound stopper body 30 from coming out of the seat body 3.

Further, in the present embodiment, four locking holes 51 are formed along the front-rear direction in the present embodiment, as shown in FIG. The locking holes 51A formed at the rearmost position of the base 5 are formed corresponding to the first position where the seat body 3 is disposed substantially vertically, and the two front locking holes 51B and 51C are formed. Is
The seat body 3 is formed corresponding to the neutral position where the seat body 3 is inclined at a predetermined angle from the substantially vertical direction, and the locking hole 51D formed at the frontmost position is such that the seat body 3 is disposed substantially in the horizontal direction. It is formed corresponding to the second position.

Next, the present apparatus 10 constructed as described above
3 will be described with reference to FIGS.

When an infant or school child who can get up on its own is to be boarded, as shown in FIGS. 3 and 5, the child seat 1 is arranged to face forward with respect to the seat 7 of the vehicle, and is fixed to the seat 7. I have. At a first position P1 in which the seat body 3 is arranged substantially vertically with respect to the base 5, the operation lever 13 is arranged in a substantially horizontal state. In this state, the swing arm 22 is rotated clockwise around the support shaft 21 by the urging force of the coil spring 28, and the sliding roller 25 is rotated by the first groove 171 of the first engagement groove 17. Engage with the tip, and attach the hook 26 to the base 5
In the locking hole 51A.

Further, as shown in FIG. 6, the rebound stopper shaft 31 engages the rebound stopper shaft 31 with the wide groove portion 181 of the second engagement groove 18 by the horizontal position of the stopper lever 35.

Next, in this state, when the hand-held portion 14 of the operation lever 13 is pulled forward, the sliding roller 25 of the swing arm body 20 moves downward in the first groove portion 171 as shown in FIG. Sliding towards. As a result, the swing arm 22 overcomes the urging force of the coil spring 28 and rotates counterclockwise about the support shaft 21, so that the hook 26 is disengaged from the locking hole 51A of the base 5. Therefore, the operation lever 13
The operating lever 1 is released from the base 5 itself.
3 can be swung in the front-rear direction with respect to the base 5 together with the seat body 3.

FIG. 7 shows a state in which the seat body 3 is tilted from the first position where it is disposed substantially vertically and moved to the neutral position P3, and is released from the base 5 by operating the operation lever 13. The seat body 3 is rocked (reclined), and the hook portion 26 of the rocking arm 22 is
By moving the sliding roller 25 again to the end of the first groove 171 of the first engagement groove 17 at the position facing C, the hook portion 26 of the swing arm 22 is engaged by the urging force of the coil spring 28. Lock into the stop hole 51C. In this state, the operation lever 13 is tilted forward to a position slightly inclined upward with respect to the base 5.

Next, when a young person or infant who cannot get up is to be boarded, as shown in FIG.
The child seat 1 is arranged rearward with respect to the seat 7. In this case, after pulling the operation lever 13 forward to release the hook portion 26 of the swing arm 22 from the locking hole 51 of the base 5 as described above, the seat body 3 is tilted in a substantially horizontal direction and the second Is moved to the position P2 of the swing arm 22.
Is engaged with the locking hole 51D of the base 5. As shown by a two-dot chain line in FIG.
It is arranged at a position that is greatly inclined with respect to the base 5.

Then, in order to fix to the seat and prevent rebound, as shown by the solid line in FIG.
Is moved further upward.

In this operation, first, the stopper lever 35 of the rebound stopper body 30 is rotated in a substantially vertical direction as shown by a two-dot chain line in FIG. Then, the notch 32 of the rebound stopper shaft 31 is pulled by pulling the operation lever 13 so that the notch 32 of the rebound stopper shaft 31 is arranged laterally.
Are engaged with the narrow groove 182 of the second engagement groove 18 and are slid. That is, the operation lever 13 moves upward with respect to the rebound stopper shaft 31. At this time, the sliding roller 25 engaged with the first engagement groove 17
Is moved from the first groove 171 to the second groove 172, and slides on the upper side 173 of the second groove 172 to move to the rearmost end of the second groove 172. And at the same time, spindle 2
1 slides from the front to the rear with respect to the third engagement groove 19 of the operation lever 13.

The notch 32 of the rebound stopper shaft 31 is moved to the second engagement groove 18.
Is fixed at the position moved upward by engaging with the lock portion 183. The operation lever 13 is disposed substantially vertically in this position, and the child seat 1 is fixed to the seat portion 8 of the seat 7 with the seat belt of the vehicle while the operation lever 13 is in contact with the back portion 9 of the seat 7. ,
The child seat 1 is supported by the seat 7 by the base 5 and the operation lever 13, and is fixed without rattling.

As described above, in the present apparatus 10, the swing arm 22 is released from the base 5 by pulling out the operation lever 13, and the first main body 3 is arranged in the substantially vertical direction.
Is moved between a position P1 and a second position P2 arranged in a substantially horizontal direction, and the child seat 1 is arranged rearward to further protrude the operation lever 13 at the second position P2. By
The operation lever 13 itself can be brought into contact with the upper part of the seat. If the child seat 1 is fixed to the seat 7 with a seat belt in this state, the child seat 1
The child seat 1 is supported at three points: both ends of the base fixed to the seat 8 of the seat 7 by the seat belt, and an operation lever supported at a high position on the back 9 of the seat 7.
It can exhibit a rebound stopper function of reducing vibration and rattling.

The operation lever 13 is provided with the first groove 1.
By forming the first engaging groove 17 having the first groove 71 and the second groove 172, the seat body 3 and the base 5 are locked and unlocked at the inclined locking positions by the first groove 171. Accordingly, the reclining function can be exhibited, and the operation lever 13 itself can be moved relative to the seat body 3 by the second groove 172, whereby the rebound stopper function can be exhibited. It becomes possible. Therefore, by forming the first engagement groove 17 in the operation lever 13, the reclining function and the rebound stopper function can be provided, so that the child seat 1 can be configured to be compact and cost-effective. In addition, since the first engagement groove 17 is formed in both the arm portions 15 of the operation lever 13 formed in a U-shape, the hand-held portion 14 can be formed with a wide width and is easy to operate. The effect can also be achieved.

A sliding roller 25 provided at one end of a swing arm 22 pivotally supported by the seat body 3 is formed in the first engaging groove 17 so as to be slidable. 2
As the hook 5 slides in the first groove 171, the hook 26 disposed at the other end of the swing arm 22 acts on the locking hole 51 of the base 5 in a detachable manner. And a state where the seat body can be reclined and a state where the seat body is locked to the base. When the sliding roller 25 slides in the second groove 172 while the hook 26 is locked in the locking hole 51, the operation lever 13 is moved.
As a result, the sheet itself can protrude from the seat body 3, and a rebound stopper function can be achieved.
Therefore, the sliding roller 25 attached to each swing arm 22
As a result, the reclining function and the rebound stopper function can be achieved, so that the child seat 1 can be configured to be compact and cost-effective.

Further, a second engagement groove 18 is formed in the arm portion 15 of the operation lever 13 so that the rebound stopper shaft 31 is engaged. When the rebound stopper shaft 31 is selected and engaged in the wide groove portion 181 of the second engagement groove 18, the swing arm 2
The second sliding roller 25 is the first groove 1 of the first engagement groove 17.
When the rebound stopper shaft 31 is selected and engaged with the narrow groove 182, the sliding roller 25 of the swing arm 22 is in the first position. Of the engagement groove 17 of
Is configured to be slidable in the groove portion 172, and a rebound stopper function is operated. Therefore, the operation lever 13
By forming the first engagement groove 17 and the second engagement groove 18 in the child seat 1, the reclining function and the rebound function can be achieved with one operating lever 13, so that the child seat 1
Can be configured to be compact and cost-effective.

The shape and configuration of the present device are not limited to the above-described embodiments as long as the operation lever capable of performing the reclining action can exhibit the function as a rebound stopper.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a child seat to which the present device according to one embodiment of the present invention is attached.

FIG. 2 is a front view of the same.

FIG. 3 is a side sectional view of the same.

FIG. 4 is an exploded perspective view showing the apparatus in FIG. 1;

FIG. 5 is a partially enlarged view showing a first engagement groove in FIG. 4;

FIG. 6 is a partially enlarged view showing a second engagement groove in FIG. 4;

FIG. 7 is a side view showing the reclining action of the present apparatus.

FIG. 8 is a side view showing a rebound stopper action of the present apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Child seat 3 ... Seat main body 5 ... Base 51 ... Locking hole 10 ... Reclining device (this device) 13 ... Operation lever 14 ... Hand-held part 15 ... Arm part 17 ... First engagement groove 171 ... First groove part 172 ... Second groove 18 ... Second engagement groove 181 ... Wide groove 182 ... Narrow groove 20 ... Swing arm 21 ... Support shaft 22 ... Swing arm 25 ... Sliding roller 26 ... Hook part 30 ... Rebound stopper Part 31 Rebound stopper shaft 32 Notch 35 Stopper lever P1 First position P2 Second position P3 Neutral position

Claims (4)

[Claims] 1. A child seat comprising a seat body on which a child is seated and a base for supporting the seat body, wherein the seat body is arranged in a direction substantially perpendicular to the base. , A second position at which the seat body is disposed in a substantially horizontal direction, and at least one neutral position disposed at a position inclined between the first position and the second position. And a reclining device for a child seat configured to be swingable so that the seat body can be held by the operation lever that is movable with respect to the seat body in a swing direction of the seat body. The operation lever is held at a second position of the seat body and disposed rearward with respect to a seat of the vehicle, and the operation lever further protrudes from the seat body. Wherein the operation lever is formed as a rebound stopper for preventing the child seat fixed to the seat from rebounding by being configured to be able to move and abut on the back of the seat. . 2. The operating lever is formed in a substantially U-shape having a hand-held portion and two arm portions formed orthogonally from both ends of the hand-held portion, and a sliding roller is provided on the arm portion. A first engagement groove slidably engaged with the first engagement groove; a first groove portion for locking and unlocking the seat body with the base; 2. A reclining device for a child seat according to claim 1, wherein a second groove portion movable to a position formed as the rebound stopper is formed. 3. The sliding roller is disposed at one end of a swing arm pivotally supported by the sheet body, and has a plurality of seat body members formed on the base at the other end of the swing arm. 3. The reclining device for a child seat according to claim 2, wherein a hook portion engageable with the stop hole is provided. 4. A second engagement groove is formed in an arm portion of the operation lever, and a wide groove portion and a narrow groove portion connected to the wide groove portion are formed in the second engagement groove. When the seat body is at the second position, a rebound shaft for enabling the operation lever to move to a position formed as the rebound stopper selectively connects the wide groove portion and the narrow groove portion. The reclining device for a child seat according to claim 2, wherein the reclining device is formed so as to be engaged.