JP2020189585A - child seat - Google Patents

Abstract

To provide a child seat which achieves good operability.SOLUTION: A child seat includes: a seat body; a pair of shoulder belts; a slide member 6 which overlaps on a front surface of a backrest part and may slide in a vertical direction; and a lock mechanism which fixes a height of the slide member 6 to a predetermined position. The lock mechanism includes a handle part 70 for sliding the slide member 6 in the vertical direction. The handle part 70 can be located in a storage position where the handle part 70 does not protrude from the slide member 6 and a function position where the handle part 70 protrudes from the slide member 6.SELECTED DRAWING: Figure 6

Description

The present invention relates to a child seat.

Conventionally, as a child seat capable of adjusting the height position of the back plate overlapping on the backrest portion according to the growth of the child, for example, Japanese Patent Application Laid-Open No. 2005-255149 (Patent Document 1) and Japanese Patent Application Laid-Open No. 2012-116465 No. Gazette (Patent Document 2) is known.

Patent Document 1 discloses that a back plate having a shoulder harness insertion hole can be raised and lowered with respect to a main body shell by a rod height adjusting mechanism. The rod height adjustment mechanism is attached to the back side of the back plate, and the height position of the back plate can be changed by operating the knob from the back side of the child seat.

In Patent Document 2, the knob of the rod height adjusting mechanism attached to the back plate can be operated from the front side or the back side of the backrest portion, and the height position of the back plate can be changed by operating the knob. It is disclosed that it can be done.

Japanese Unexamined Patent Publication No. 2005-255149 Japanese Unexamined Patent Publication No. 2012-116465

The rod height adjusting mechanism of References 1 and 2 can change the height position of the back plate by operating the knob, but the knob is small, so that the operability is poor.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a child seat having good operability.

For this purpose, the child seat according to one aspect of the present invention includes a seat body including a seat surface portion and a backrest portion, a slide member that overlaps the front surface of the backrest portion and is slidable in the vertical direction, and a height of the slide member. The lock mechanism includes a handle portion for sliding the slide member in the vertical direction, and the handle portion includes a storage position that does not protrude from the slide member and a slide member. It can take a functional position that protrudes from.

Preferably, the handle is an operating lever that is rotatably provided with respect to the slide member.

Preferably, the handle portion includes an operable operating portion, and the locking mechanism includes a moving portion that slides the slide member in the vertical direction by operating the operating portion.

Preferably, the operating unit is a push button that can be moved up and down.

Preferably, the handle includes urging means for urging the handle to the storage position.

Preferably, a pair of shoulder belts provided on the seat body is further provided, and the slide member includes a pair of shoulder belt through holes that penetrate the pair of shoulder belts.

Preferably, when the handle is in the stowed position, the slide member is restricted from moving relative to the backrest.

Preferably, the backrest has a pair of vertically long elongated holes that allow the pair of shoulder belts that have passed through the pair of shoulder belt through holes to penetrate to the back, and the locking mechanism has a pair of elongated holes in the backrest. Along the line, a plurality of receiving holes provided at intervals in the vertical direction and a pin member provided on the slide member and penetrating the receiving hole are further included, and the pin member accepts when the handle portion is in the storage position. Penetrate the hole.

Preferably, the slide member is a headrest that includes a vertical wall portion that protects the back of the child's head and a pair of side wall portions that protect the temporal region of the child, and the handle portion is provided above the vertical wall portion.

According to the present invention, it is possible to provide a child seat having good operability.

It is a perspective view of the child seat which concerns on this embodiment. It is a perspective view which shows by taking out a part of the child seat which concerns on this embodiment. It is a perspective view which shows by taking out a part of the child seat which concerns on this embodiment. It is a schematic diagram which shows that the slide member of the child seat which concerns on this embodiment is slidable in the up-and-down direction, (A) shows that the slide member is located in the lower part, (B) is the slide member in the upper part. Indicates that it is located in. It is a perspective view which took out the slide member and looked at from the back. It is a front view which shows by taking out a slide member, (A) is a state which a handle part is a storage position, (B) is a state of a handle part is a state of a functional position, (C) is a state of a handle part is a state of a functional position. Indicates the state in which the push button is pressed. It is a partially enlarged front view of FIG. It is a perspective view which shows the handle part and the moving part taken out from the slide member of FIG. It is a figure which takes out and shows the rotating body provided in the handle part, (A) is a perspective view, and (B) is a plan view.

Embodiments of the present invention will be described in detail with reference to the drawings. The same or corresponding parts in the drawings are designated by the same reference numerals, and the description thereof will not be repeated.

The child seat 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4. In the description of the child seat 1, the front-rear direction corresponds to the front-rear direction of the child seat 1, and the left-right direction corresponds to the left-right direction seen from the front of the child seat 1.

FIG. 1 is a perspective view of a child seat 1, FIG. 2 is a perspective view showing a state in which a covering member such as a base body 2 and a cushion is removed from the child seat 1 of FIG. 1, and FIG. 3 is a perspective view of the state of FIG. It is a perspective view which shows the state which the slide member 6 was removed from. FIG. 4 is a schematic view showing that the slide member 6 can slide in the vertical direction.

In particular, with reference to FIG. 1, the child seat 1 according to the present embodiment is a device that is arranged on the seat of an automobile and allows a child such as an infant or an infant to ride safely. The child seat 1 includes a base body 2 and a seat body 3.

The base main body 2 includes a base portion 20 which is placed on a seat of a passenger car and supports the seat main body 3 from below. At the front end of the base portion 20, a leg support 21 extending toward the floor surface of the passenger vehicle is provided. At the rear end of the base portion 20, an ISOFIX 22 connected to an anchor of a seat of a passenger car is provided. Above the base portion 20, a seat body 3 that is rotatably supported with respect to the base body 2 is provided.

The seat body 3 is attached to the upper side of the base body 2 and is rotatably supported with respect to the base body 2. FIG. 1 shows a state in which a soft cloth member, for example, a covering member such as a cushioning material is mounted on the seat body 3. The seat body 3 may be rotatably provided with respect to the base body 2 via the seat body 30. The seat body 30 surrounds the seat body 3 from the left and right rear. The seat body 3 is fixed to the seat body 30, and the seat body 3 and the seat body 30 are rotatably provided with respect to the base portion 20.

The seat body 3 includes a seat surface portion 4 and a backrest portion 5. A child sits on the seat body 3. Therefore, the seat surface portion 4 supports the buttocks of the child, and the backrest portion 5 stands up from the rear of the seat surface portion 4 and supports the back portion of the child. As shown in FIG. 2, a slide member 6 overlaps the front surface of the backrest portion 5. The slide member 6 will be described later.

As shown in FIG. 3, the backrest portion 5 is provided on the backrest portion main body 51 and the backrest portion main body 51, and is provided along a pair of elongated holes 52 long in the vertical direction and a plurality of receiving portions provided along the pair of elongated holes 52. Includes holes 53. The elongated holes 52 are provided at intervals in the left-right direction. The elongated hole 52 penetrates the pair of shoulder belts 11 (FIG. 1) described later to the back surface. The back surface referred to here is between the backrest portion main body 51 and the seat body 30. Five receiving holes 53 are provided at intervals in the vertical direction. Since the pin member 77 (FIG. 5) of the slide member 6 described later penetrates through the receiving hole 53, the height of the slide member 6 can be adjusted in five stages. The receiving hole 53 is typically a through hole, but may be, for example, a recess or a notch as long as it can be engaged with the pin member 77.

As shown in FIG. 1, the seat body 3 is provided with a plurality of belts for restraining the child's body. These belts are 5-point belts. Specifically, the backrest portion 5 is provided with a pair of shoulder belts 11 that restrain both shoulders of the child. The shoulder belt 11 is arranged so as to penetrate the slide member 6 and the backrest portion 5. The shoulder belt 11 is attached to the backrest portion 5, and is not limited to being fixed to the backrest portion 5, and includes a state in which the child seat 1 loops from the rear to the front.

Further, the seat surface portion 4 includes a crotch belt 13 extending between both thighs of a child seated on the seat body 3 and a pair of waist belts 12 for restraining the waist of the child. These belts 11, 12, and 13 are connected near the abdomen of the child by a connecting tool 14 provided at the tip of the crotch belt 13. The belts 11, 12, 13 and the connecting tool 14 are also shown only in FIG. 1 and are omitted in other drawings.

Next, the slide member 6 will be described with reference to FIGS. 2 and 5. FIG. 5 is a perspective view of the slide member 6 as viewed from the back.

As shown in FIG. 5, the slide member 6 overlaps the front surface of the backrest portion 5 and can slide in the vertical direction. The slide member 6 functions as a headrest. Therefore, the slide member 6 includes a vertical wall portion 61 that protects the back of the head of the child and a pair of side wall portions 62 that protect the temporal region of the child. The side wall portions 62 are attached to both ends of the vertical wall portion 61 in the left-right direction and project forward. As with the seat body 3, a soft cloth member, for example, a covering member such as a cushion material may be mounted on the slide member 6.

The vertical wall portion 61 is provided with a pair of shoulder belt through holes 63 through which the pair of shoulder belts 11 penetrate. The pair of shoulder belt through holes 63 are provided on the lower side of the vertical wall portion 61. An elongated hole 52 (FIG. 3) is provided at a position where the shoulder belt through hole 63 faces the backrest portion 5. As a result, the shoulder belt 11 that has passed through the shoulder belt through hole 63 further passes through the elongated hole 52 of the backrest portion 5. Therefore, the height of the shoulder belt 11 can be adjusted by adjusting the height of the slide member 6. Specifically, in the range of FIGS. 4 (A) to 4 (B), the height position of the slide member 6 is changed to change the support position of the shoulder belt 11, that is, the height position of the shoulder belt through hole 63. Can be changed. As a result, the child seat 1 of the present embodiment can easily adjust the height position of the shoulder belt 11 according to the growth of the child.

The standing wall portion 61 is provided with a pair of extending portions 64 extending downward from both ends of the standing wall portion 61 in the left-right direction. A cover portion 65 shown by a broken line in FIGS. 2 and 5 may be hung on the pair of extending portions 64. In that case, the cover portion 65 is a thin material, such as a hammock material.

Above the standing wall portion 61, a handle portion 70 for adjusting the height of the slide member 6 to a predetermined position is exposed. A recess 61a along the shape of the handle 70 is provided on the upper end edge of the standing wall 61 so that the entire handle 70 is exposed. Further, as shown by the broken line in FIG. 5, a moving portion 73 that moves in the vertical direction by operating the handle portion 70 is provided inside the standing wall portion 61. The handle portion 70, the moving portion 73, and the receiving hole 53 of the backrest portion 5 form a "lock mechanism" for fixing the height of the slide member 6 at a predetermined position.

The handle portion 70 and the moving portion 73 will be described with reference to FIGS. 6 to 9. FIG. 6 is a front view showing the slide member 6, showing a state in which the front cover of the slide member 6 is removed. In particular, FIG. 6A shows the handle portion 70 in the stowed position, FIG. 6B shows the handle portion 70 in the functional position, and FIG. 6C shows the handle 70 in the functional position. The state in which the push button 72 is pressed is shown. 7 is a partially enlarged front view of FIG. 6, and FIG. 8 is a perspective view showing the handle portion 70 and the moving portion 73 from the slide member 6 of FIG. Further, FIG. 9 is a perspective view of the rotating body 90 provided on the handle portion 70. In FIGS. 6 and 7, for easy understanding, the frame portion of the vertical wall portion 61, the first stopper 66, and the second stopper 67 are hatched.

The handle portion 70 is for sliding the slide member 6 in the vertical direction. As described above, the handle portion 70 is provided above the standing wall portion 61 of the slide member 6. Specifically, the handle portion 70 is provided at the central portion in the left-right direction of the vertical wall portion 61. As a result, the handle portion 70 is provided at a position where the user can easily grasp it by hand, so that the operation can be easily performed. The handle 70 includes an operating lever 71 that is movable with respect to the slide member 6 and a push button 72 that is movable up and down.

The operating lever 71 can have a storage position (FIG. 6 (A)) that does not protrude from the slide member 6 and a functional position (FIGS. 6 (B), (C)) that protrudes from the slide member 6. In the case of the position, the movement of the slide member 6 with respect to the backrest portion 5 is restricted. The storage position is the position of the operation lever 71 in a state where the operation lever 71 is housed in the recess 61a of the slide member 6. The functional position is the position of the operating lever 71 when the operating lever 71 protrudes from the recess 61a of the slide member 6, and includes not only the case where the operating lever 71 protrudes forward but also the state where the operating lever 71 is moved to the left, right, rear, and the like.

The operating lever 71 may be a handle that can be grasped by the user, and includes not only a rod shape but also a concave portion, a knob shape, and the like. Further, the operating lever 71 is preferably large enough to be grasped by three or more fingers of the user. The width of the operating lever 71 in the front-rear direction is preferably substantially the same as or smaller than the width of the standing wall portion 61 in the front-rear direction. Further, when the handle portion 70 is in the storage position, the upper end edge of the handle portion 70 has a shape along the upper end edge of the standing wall portion 61. As a result, although the operating lever 71 has a size that is easy to grasp, when the operating lever 71 is in the storage position, it does not get in the way and the presence of the handle portion 70 is inconspicuous.

With particular reference to FIG. 7A, the operating lever 71 is rotatably provided with respect to the slide member 6. Specifically, the operating lever 71 is provided so as to be rotatable about 95 degrees, for example, from the right to the front with the shaft portion 81 as the center. The shaft portion 81 is fixed to the lower end of the push button 72 and extends to the rotating body 90 described later. Further, the shaft portion 81 penetrates the link portion 82. The link portion 82 is fixed between the lower end of the recess 61a of the vertical wall portion 61 and the upper end of the first stopper 66. The link portion 82 has a built-in urging means (not shown) that constantly urges the operating lever 71 (shaft portion 81) to the storage position. The urging means is, for example, a torsion spring. As a result, the operating lever 71 is always maintained in the stored position except when the user operates it. A rotating body 90 is attached to the lower end of the shaft portion 81.

With particular reference to FIG. 9, the rotating body 90 includes a through hole 91, a circumferential portion 92, and a notched portion 93 in which the circumferential portion 92 is cut out. As shown in FIG. 9B, the width dimension L2 between the notch portions 93 is designed to be smaller than the width dimension L1 between the circumferential portions 92 (L2 <L1).

Here, as shown in FIG. 7A, the rotating body 90 is attached so that the cutout portion 93 faces the front side when the operating lever 71 is in the storage position. The dimension of the rotating body 90 in the left-right direction is L1, which is larger than the dimension L3 between the second stoppers 67 provided on the vertical wall portion 61 (L1> L3). Therefore, the rotating body 90 comes into contact with the upper end of the second stopper 67 of the vertical wall portion 61. As a result, the push button 72 cannot be pressed when the operating lever 71 is in the retracted position.

As shown in FIGS. 7 (B) and 7 (C), when the operating lever 71 is rotated by approximately 95 degrees to the functional position, the rotating body 90 rotates in accordance with the rotation of the shaft portion 81 and has a circumference. The part 92 faces the front side. As a result, the dimension of the rotating body 90 in the left-right direction becomes L2, which is smaller than the dimension L3 between the second stoppers 67 (L2 <L3). Therefore, when the push button 72 is pressed while the operating lever 71 is in the functional position, the rotating body 90 can be moved between the second stoppers 67 provided on the standing wall portion 61. As a result, the moving portion 73 provided below the rotating body 90 slides downward.

As described above, the operating lever 71 rotates about the shaft portion 81, and the rotating body 90 is attached to the shaft portion 81. As a result, the rotations of the operating lever 71, the shaft portion 81, and the rotating body 90 are interlocked. Further, the push button 72 is connected to the upper end of the shaft portion 81. As a result, the vertical movements of the push button 72, the shaft portion 81, and the rotating body 90 are interlocked. Therefore, by moving the operating lever 71 from the storage position to the functional position and pressing the push button 72 downward from above, the rotating body 90 can be moved downward and the moving portion 73 can be moved downward. That is, in order to change the height position of the slide member 6, it is necessary to operate the operation lever 71 and further operate the push button 72.

As described above, the lock mechanism of the present embodiment is a "double lock mechanism" that requires two operations to release the lock. As a result, erroneous operation can be prevented and safety can be improved. Further, by grasping the operation lever 71 and pressing the push button 72 with, for example, a thumb, it can be easily operated with one hand.

With particular reference to FIG. 8, the moving portion 73 includes a support portion 79 that supports the rotating body 90 from below, a cross member 74 that connects to the support portion 79, and a vertical member 75 that extends downward from both ends of the cross member 74. including. The support portion 79 plays a role of transmitting the vertical movement of the rotating body 90 to the horizontal member 74 and the vertical member 75. The cross member 74 has an upper portion 74a, a lower portion 74b for fixing the support portion 79, and a connecting portion 74c for connecting the upper portion 74a and the lower portion 74b. The upper portion 74a, the lower portion 74b, and the connecting portion 74c are substantially rod-shaped.

The vertical member 75 has a rod-shaped portion 75a connected to both ends of the upper portion 74a and a flat plate portion 75b provided at the lower end of the rod-shaped portion 75a. The rod-shaped portion 75a has a built-in coil spring (not shown). The coil spring always urges the moving portion 73 upward. The flat plate portion 75b is provided so as to project rearward from the front surface, and an inclined hole 76 is provided in a substantially central portion. The inclined hole 76 descends from the front to the rear. A pin member 77 is inserted into the inclined hole 76.

The pin member 77 penetrates through the receiving hole 53 (FIG. 3) of the backrest portion 5 described above. The pin member 77 is substantially L-shaped and has a short-shaped short portion 77a and a long-shaped long portion 77b. The short portion 77a is inserted into the inclined hole 76. As a result, in the normal state of the moving portion 73 (the operating lever 71 is in the retracted position), the short portion 77a is located below the inclined hole 76, as shown in FIGS. 8 (A), 8 (B), and 5. As shown, the long portion 77b projects outward from the back surface of the slide member 6 and penetrates into the receiving hole 53 of the backrest portion 5 of FIG. In the state where the moving portion 73 is moved downward (the operating lever 71 is in the functional position), the short portion 77a moves upward along the inclination of the inclined hole 76, and is long as shown in FIG. 8 (C). The portion 77b is pulled out from the receiving hole 53.

Next, the operation of the lock mechanism for fixing the height of the slide member at a predetermined position will be described.

The operating lever 71 in the state of FIGS. 6 (A), 7 (A), and 8 (A) is grasped by hand and rotated 95 degrees forward. Further, as shown in FIGS. 6 (B), 7 (B), and 8 (B), when the push button 72 is pressed downward, FIGS. 6 (C), 7 (C), and 8 (C) As shown in the above, the moving portion 73 moves downward, and the inclined hole 76 also moves downward. The short portion 77a of the pin member 77 penetrating the inclined hole 76 moves upward along the inclination of the inclined hole 76, and the long portion 77b of the pin member 77 is pulled out from the receiving hole 53 of the backrest portion 5. .. That is, the engagement state between the pin member 77 and the receiving hole 53 (FIG. 3) of the backrest portion 5 is released. As a result, the locked state of the slide member 6 is released.

When the hand is released from the operating lever 71, the coil spring of the moving portion 73 and the torsion spring of the handle portion 70, which have been contracted by the pressing of the push button 72, are displaced by the urging force of FIGS. 6A, 7A, It returns to the position shown in FIG. 8 (A). As a result, the short portion 77a of the pin member 77 moves downward along the inclination of the inclined hole 76, and the long portion 77b of the pin member 77 penetrates the receiving hole 53 (FIG. 3) of the backrest portion 5. As a result, the movement of the slide member 6 with respect to the backrest portion 5 is restricted.

The operation when moving the height of the slide member 6 according to the growth of the child is as follows.

First, the operating lever 71 in the storage position is grasped by hand and rotated 95 degrees forward to bring the handle portion 70 into the functional position. In that state, the push button 72 is pressed from above, and the pin member 77 of the slide member 6 is pulled out from the receiving hole 53 of the backrest portion 5. In that state, the slide member 6 is moved to a desired height, and the hand is released from the operating lever 71. The handle portion 70 and the moving portion 73 are returned to their original positions (storage positions) by the urging force of the torsion spring of the handle portion 70 and the coil spring of the moving portion 73, and the pair of pin members 77 are respectively receiving holes. It penetrates 53 and prohibits the movement of the slide member 6. In this way, as the child grows, the height of the slide member 6 is set at a predetermined position from the lowest height position in FIG. 4 (A) to the highest height in FIG. 4 (B). It is possible to adjust the height.

As a result, the user only has to operate the handle 70 when adjusting the height of the slide member 6, so that the operability is good. Further, when the operation lever 71 is in the functional position, it is easy to grasp and operate, but when the operation lever 71 is in the storage position, it does not get in the way and the presence of the operation lever 71 is inconspicuous.

In the above embodiment, it has been described that the slide member 6 is provided with the shoulder belt through hole 63. However, the slide member 6 does not necessarily have to be provided with the shoulder belt through hole 63, and may at least protect the back of the child. Further, when the slide member 6 is a headrest, the slide member 6 may be formed only by the vertical wall portion 61 that protects the child's head, and the side wall portion 62 may not necessarily be provided. This makes it possible to adjust the height position of the slide member 6 according to the height position of the child's head.

Further, in the above embodiment, the handle 70 has a double lock mechanism including an operation lever 71 and a push button 72, but the push button 72 may not be provided, and the operation lever 71 may be operated. The moving portion 73 may move in the vertical direction only by itself.

Further, in the above embodiment, the push button 72 is said to be movable up and down, but it is not limited to the movement direction such as the left-right direction and the front-back direction as long as the slide member 6 is slid in the up-down direction. .. Further, the push button 72 is not limited to the shape of a push button, and may be an operation unit that can be operated, such as a knob.

Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to those of the illustrated embodiments. It is possible to make various modifications and modifications to the illustrated embodiment within the same range as the present invention or within the same range.

1 child seat, 2 base body, 3 seat body, 4 seat surface part, 5 backrest part, 6 slide member, 11 shoulder belt, 12 waist belt, 13 crotch belt, 14 connector, 20 base part, 21 leg support, 30 seat body , 51 Backrest body, 52 long hole, 53 receiving hole, 61 standing wall part, 61a recess, 62 side wall part, 63 shoulder belt through hole, 64 extension part, 65 cover part, 66 first stopper, 67 second stopper, 70 Handle part, 71 Operation lever, 72 Push button, 73 Moving part, 74 Horizontal member, 74a Upper part, 74b Lower part, 74c Connecting part, 75 Vertical material, 75a Rod-shaped part, 75b Flat plate part, 76 Inclined hole, 77 Pin member, 77a short part, 77b long part, 79 support part, 81 shaft part, 82 link part, 90 rotating body, 91 through hole, 92 circumference part, 93 notch part.

Claims (9)

The seat body including the seat surface and backrest,
A slide member that overlaps the front surface of the backrest and can slide in the vertical direction,
It is provided with a lock mechanism for fixing the height of the slide member at a predetermined position.
The locking mechanism includes a handle portion for sliding the slide member in the vertical direction.
The handle portion is a child seat that can have a storage position that does not protrude from the slide member and a functional position that protrudes from the slide member. The child seat according to claim 1, wherein the handle portion is an operation lever rotatably provided with respect to the slide member. The handle portion includes an operable operating portion.
The child seat according to claim 1 or 2, wherein the lock mechanism includes a moving portion that slides the slide member in the vertical direction by operating the operating portion. The child seat according to claim 3, wherein the operation unit is a push button that can be moved up and down. The child seat according to any one of claims 1 to 4, wherein the handle portion includes an urging means for urging the handle portion to the storage position. Further provided with a pair of shoulder belts provided on the seat body,
The child seat according to any one of claims 1 to 5, wherein the slide member includes a pair of shoulder belt through holes for penetrating the pair of shoulder belts. The child seat according to any one of claims 1 to 6, wherein when the handle portion is in the storage position, the slide member is restricted from moving with respect to the backrest portion. The backrest portion includes a pair of elongated holes long in the vertical direction that allow the pair of shoulder belts that have passed through the pair of shoulder belt through holes to penetrate to the back surface.
The lock mechanism is
A plurality of receiving holes provided at intervals in the vertical direction along the pair of elongated holes in the backrest portion, and
Further including a pin member provided on the slide member and penetrating the receiving hole.
The child seat according to claim 7, wherein the pin member penetrates the receiving hole when the handle portion is in the storage position. The slide member is a headrest including a vertical wall portion that protects the back of the child's head and a pair of side wall portions that protect the temporal region of the child.
The child seat according to any one of claims 1 to 8, wherein the handle portion is provided above the standing wall portion.

Images