JP2013244038A - Seat cover mounting hook and child seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat cover mounting hook and a child seat, which prevent a part of a hook to be locked to a seat frame from interfering with a presser foot or a press member when fixing an edge of the seat cover to the hook so that an amount of member used for the seat cover can be reduced.SOLUTION: A seat cover mounting hook 10 includes a platy fixing piece 20 to be fixed to an edge 104a of a seat cover 104 on one end thereof, a platy locking piece 30 having a locking part 34 to be locked to an edge 103b of a seat frame 103 on the other end thereof, and a hinge part 40 that connects the fixing piece 20 to the locking piece 30. An engaging part 21 is mounted on the fixing piece 20, an engaged part 31 is mounted on the locking piece 30, the engaging part 21 and the engaged part 31 are engaged, the fixing piece 20 and the locking piece 30 are closed, and the seat cover 104 is attached to the seat frame 103.

Description

  The present invention relates to a seat cover attaching hook for fastening an edge of a seat cover attached to a child seat and a child seat using the same.

  There exists a thing described in patent document 1 as a hook for a seat cover attachment of the seat cover attached to a child seat. According to this, it consists of a plate-like body and a collar part formed in the middle of the length direction of the plate-like body, and the end of the plate-like body and the end of the seat cover are fixed by sewing or the like. The hook portion is locked to the end portion of the seat frame, and the seat frame is covered from the outside by the seat cover via the hook.

JP 2009-51501 A

  However, in the above hook for mounting the seat cover, the collar portion is formed from the middle of the plate-like body, that is, the collar portion is integrally formed with the plate-like body in the middle of the length direction of the plate-like body. When sewing the end of the plate-like body and the end of the seat cover, the presser foot of the sewing machine should not interfere with the heel, and the press member may interfere with the heel when welding or bonding. The plate must be stretched long so that it does not. Accordingly, in order to cover the long elongated plate-like body, a considerable amount of the seat cover has to be popped out, so that there is a problem that an extra seat cover member is required.

  The present invention reduces the amount of use of the seat cover member by preventing the portion of the hook that is locked to the seat frame from interfering with the presser foot or the pressing member during the fixing operation of the end portion of the seat cover and the hook. It is possible to provide a seat cover attaching hook and a child seat that can be made to be allowed to operate.

  According to the first aspect of the present invention, the seat cover mounting hook is used when the seat cover that covers the seat frame is attached to the seat frame constituting the seat portion of the child seat, and is fixed to the edge of the seat cover at one end side. A plate-shaped locking piece portion, a plate-shaped locking piece portion having a locking portion to be locked to the edge of the seat frame on one end side, and the other end side of the fixing piece portion and the locking piece portion The other end side is connected, and it is set as the structure provided with the hinge part which can open and close the said adhering piece part and the said locking piece part mutually. The locking portion is formed in a substantially U-shaped cross section that bends to the opposite side of the fixing piece portion in a state where the fixing piece portion and the locking piece portion are closed. The engaged piece is disposed on the locking piece portion, and the engaging portion and the engaged portion are engaged with each other so that the fixed piece portion and the locking piece portion are closed. I am doing so.

  Accordingly, when the edge portion of the seat cover and the fixing piece portion are fixed, the fixing piece portion and the locking piece portion are opened, and the locking portion is, for example, a sewing machine presser when sewing. It can be prevented from interfering with gold and a pressing member to be sandwiched in the case of welding, bonding, etc., and the fixing operation between the edge portion of the seat cover and the fixing piece portion can be made unaffected.

  In other words, the fixing operation between the edge portion of the seat cover and the fixing piece portion is not affected by the position of the locking portion, so that the fixing piece portion does not have to be extended long. Along with this, it is possible to reduce the amount of the sheet cover member that covers the fixing piece.

  Further, if the hinge portion is formed in a plate shape thinner than the fixing piece portion and the locking piece portion, the fixing piece portion and the locking piece portion can be easily opened and closed, so a series of attaching the seat cover to the seat frame Work can be done quickly.

  In addition, the engaging portion is formed as a convex portion protruding toward the locking piece portion on the surface facing the locking piece portion of the fixing piece portion when the fixing piece portion and the locking piece portion are closed. Formed along a direction orthogonal to the direction from one end to the other end, the engaged portion faces the fixing piece portion of the locking piece portion in a state where the fixing piece portion and the locking piece portion are closed. The bottom of the bottomed groove is formed as a bottomed groove that can be engaged with the convex part of the engaging part on the surface along a direction orthogonal to the direction from one end to the other end of the locking piece. A projection that is formed thinner than the other portions and protrudes toward the fixed piece portion and contacts the end portion of the seat frame when the fixed piece portion and the fixed piece portion are closed at the distal end portion of the fixed portion. Forming part.

  According to this, along the direction orthogonal to the direction from the one end of the locking piece portion to the other end, the bottom portion of the bottomed groove portion formed thinner than the other portion of the locking piece portion is pressed with a finger or the like. When the engaging portion and the engaged portion are engaged, the locking piece is bent at the bottom of the bottomed groove and the opening of the bottomed groove can be expanded. And the engaged portion can be facilitated.

  In addition, the protrusion that protrudes toward the fixing piece and abuts against the end of the seat frame suppresses the formation of a gap between the locking piece and the end of the seat frame. Since the opening portion of the bottomed groove portion that is expanded when the engagement portion is engaged, the engagement between the engagement portion and the engaged portion is strengthened, and the seat cover mounting state is stabilized. Can do.

  According to a fourth aspect of the present invention, there is provided a seat frame that constitutes a seat portion, a seat cover that covers the seat frame, and a seat cover attachment hook that is used when the seat cover is attached to the seat frame, and an edge of the seat cover The child seat to which the seat cover is attached to the seat frame by securing the edge portion of the seat frame and the seat cover attachment hook to each other, and the seat cover is attached to the seat frame. The child seat is a seat cover mounting hook according to any one of 1 to 3.

It is a front view of the child seat with which the seat cover attachment hook of one embodiment in the present invention was attached. It is II-II sectional drawing in FIG. It is sectional drawing of the state which sewn the seat cover attachment hook to the seat cover. It is sectional drawing of the state which engaged the engaging part and the to-be-engaged part. It is a side view of the seat cover attachment hook of other embodiments.

  An embodiment of a seat cover mounting hook according to the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, the child seat 100 includes a base 101 and a seat portion 102 that is supported by the base 101 and has a seat surface portion on which an infant sits and a backrest portion.

  The seat portion 102 includes a polypropylene seat frame 103 that is formed in a substantially bowl shape and serves as a skeleton, and a seat cover 104 that covers the seat frame 103 from the side on which the infant is seated and has elasticity.

  The seat frame 103 has a rib portion 103a whose opening edge portion is bent outward in a substantially U shape in order to ensure strength.

  As shown in FIGS. 2 to 4, the seat cover mounting hook (hereinafter referred to as “mounting hook”) 10 is made of polyethylene, and is associated with the fixed piece 20, the locking piece 30, and the fixed piece 20. And a hinge portion 40 that connects the stopper portion 30.

  The fixing piece 20 is formed in a long plate shape extending in the direction from the end 20b on the hinge portion 40 side to the end 20c on the opposite side, and as shown in FIG. 2, the fixing piece 20 and the locking piece In a state where the portion 30 is closed, the engaging portion 21 is disposed on the facing surface 20 a of the fixing piece portion 20 that faces the locking piece portion 30.

  The engaging portion 21 is a convex portion 22 that protrudes toward the locking piece portion 30 on the opposing surface 20a. The short side direction of the fixing piece portion 20 (perpendicular to the direction from one end of the fixing piece portion to the other end of the claims) (Corresponding to the direction of movement).

  The convex portion 22 has a head portion 22b having a substantially trapezoidal cross section at the tip via a neck portion 22a.

  The locking piece 30 is formed in a long plate shape extending in the direction from the end 30b on the hinge portion 40 side to the end 30c on the opposite side. As shown in FIG. In a state where the piece portion 30 is closed, the engaged portion 31 is disposed on the facing surface 30a facing the fixed piece portion 20 of the locking piece portion 30, and the edge of the seat frame 103 is opposite to the end portion 30b. It has the latching | locking part 34 latched with the part 103b.

  As shown in FIG. 2, the end 20 c of the fixed piece 20 is formed so as to slightly protrude from the fixed piece 30 when the fixed piece 20 and the fixed piece 30 are closed. .

  The engaged portion 31 is a bottomed groove portion 32 that can be engaged with the convex portion 22 as the engaging portion 21 on the opposing surface 30a, as viewed in the short direction of the locking piece portion 30 (one end of the locking piece portion in the claims). Corresponding to a direction orthogonal to the direction from the first to the other end.

  The bottom portion 32a of the bottomed groove portion 32 is formed thinner than other portions of the locking piece portion 30, and the opening portion is formed so as to protrude toward the fixing piece portion 20 and to be engaged with the neck portion 22a of the convex portion 22. It has a pair of occlusion pieces 33 and 33.

  As shown in FIG. 2, the locking portion 34 is formed in a substantially U-shaped cross section that bends in the opposite direction to the fixing piece portion 20 in a state where the fixing piece portion 20 and the locking piece portion 30 are closed. Yes.

  A protruding portion 34 a that protrudes toward the fixing piece portion 20 and contacts the rib portion 103 a of the seat frame 103 is formed at the distal end portion of the locking portion 34 along the short direction of the locking piece portion 30.

  The hinge portion 40 is formed in a plate shape thinner than the fixing piece portion 20 and the locking piece portion 30, and connects the end portion 20b of the fixing piece portion 20 and the end portion 30b of the locking piece portion 30 to fix the hinge portion 40. The piece 20 and the locking piece 30 can be opened and closed with respect to each other.

  As shown in FIG. 2, the attachment hook 10 is fixed to the end edge portion 104 a of the seat cover 104 of the child seat 100 at the end portion 20 c of the child piece 100, and the locking portion 34 of the locking piece portion 30. Thus, it is engaged with the edge portion 103b of the rib portion 103a of the seat frame 103.

  Further, a bias tape 70 is further disposed outside the seat cover 104 so as to cover the stitched portion between the fixed piece 20 and the end edge portion 104 a of the seat cover 104, and the edge portion of the fixed piece portion 20 and the seat cover 104 is arranged. 104a and the bias tape 70 are stitched together.

  The usage mode and operation of the mounting hook 10 will be described.

  The engagement between the engaging portion 21 and the engaged portion 31 of the mounting hook 10 is released, and the fixed piece portion 20 and the locking piece portion 30 are left open. The edge portion 104a of the seat cover 104 is bent, the end portion 20c of the fixing piece portion 20 is sandwiched, and stitched. Thereby, as shown in FIG. 3, the end edge portion 104 a of the seat cover 104 and the fixing piece portion 20 are fixed.

  Further, the bias tape 70 is further arranged outside the seat cover 104 so as to cover and hide the stitched portion between the fixing piece 20 and the end edge portion 104 a of the seat cover 104, and the edge of the fixing piece 20 and the seat cover 104. The portion 104a and the bias tape 70 are stitched together.

  When the locking piece 30 is pressed toward the fixed piece 20 with a finger, the engaging portion 21 and the engaged portion 31 are engaged, and the fixed piece 20 and the fixed piece 30 are closed. It becomes a state.

  At this time, as shown in FIG. 4, the bottom portion 32 a of the bottomed groove portion 32, which is formed thinner than other portions of the locking piece portion 30, serves as a boundary on the locking portion 34 side of the locking piece portion 30. The portion is bent so as to be separated from the fixed piece 20 (indicated by a two-dot chain line in FIG. 4), and the engagement piece 33 on the locking portion 34 side expands with respect to the engagement piece 33 on the hinge portion 40 side. Since it opens, the head part 22b of the convex part 22 becomes easy to enter the bottomed groove part 32.

  Thereafter, the locking portion 34 of the locking piece portion 30 is locked to the end edge portion 103 b of the rib portion 103 a of the seat frame 103, and the attachment of the seat cover 104 to the seat frame 103 is completed.

  At this time, as shown in FIG. 2, the protrusion 34 a that contacts the rib portion 103 a of the seat frame 103 prevents a gap from being generated between the locking piece 30 and the rib portion 103 a of the seat frame 103. At the same time, the locking piece portion 30 is pulled toward the hinge portion 40 by the stretchable seat cover 104, and the bending generated in the locking piece portion 30 is extended (indicated by a two-dot chain line in FIG. 2). The occlusion piece 33 on the locking portion 34 side acts so as to be closed with respect to the occlusion piece 33 on the hinge portion 40 side. And the attachment state to the seat frame 103 of the seat cover 104 is maintained by the head 22b of the convex part 22 and the pair of occlusion pieces 33 and 33 engaging.

  The attachment hook 10 is used when attaching the seat cover 104 that covers the seat frame 103 to the seat frame 103 constituting the seat portion 102 of the child seat 100, and is attached to the edge 104 a of the seat cover 104 on one end side. A plate-shaped fixing piece 20 to be fixed, a plate-shaped locking piece 30 having a locking portion 34 to be locked to the edge 103b of the seat frame 103 on one end side, and the other end of the fixing piece 20 The side and the other end side of the locking piece part 30 are connected, and it is set as the structure provided with the hinge part 40 which can open and close the adhering piece part 20 and the locking piece part 30 mutually. Then, the locking portion 34 is formed in a substantially U-shaped cross section that is bent to the opposite side of the fixing piece portion 20 in a state where the fixing piece portion 20 and the locking piece portion 30 are closed. The engaging portion 21 is provided, the engaged piece 31 is provided with the engaged portion 31, and the engaging portion 21 and the engaged portion 31 are engaged with each other with the fixed piece 20. The locking piece 30 is closed.

  As a result, when the end edge portion 104a of the seat cover 104 and the fixing piece portion 20 are fixed, the fixing piece portion 20 and the locking piece portion 30 are opened, and the locking portion 34 is sewn, for example. In this case, the presser foot of the sewing machine and the pressing member to be clamped in the case of welding, adhesion, etc. can be prevented from interfering with each other, and the fixing work between the edge portion 104a of the seat cover 104 and the fixing piece portion 20 is affected. Can be avoided.

  In other words, the fixing operation between the edge portion 104a of the seat cover 104 and the fixing piece portion 20 is not affected by the position of the locking portion 34, so that the fixing piece portion 20 does not have to be extended long. Accordingly, it is possible to reduce the amount of the member of the sheet cover 104 that covers the fixing piece 20.

  Further, if the hinge portion 40 is formed in a plate shape thinner than the fixing piece portion 20 and the locking piece portion 30, the opening and closing operation of the fixing piece portion 20 and the locking piece portion 30 is facilitated. A series of operations for attaching the seat cover 104 can be quickly performed.

  Further, the engaging portion 21 protrudes toward the locking piece portion 30 on the facing surface 20a facing the locking piece portion 30 of the fixing piece portion 20 in a state where the fixing piece portion 20 and the locking piece portion 30 are closed. The protruding portion 22 is formed along the short direction of the fixing piece portion 20, and the engaged portion 31 of the locking piece portion 30 in a state where the fixing piece portion 20 and the locking piece portion 30 are closed is formed. The bottom surface of the bottomed groove portion 32 is formed as a bottomed groove portion 32 that can be engaged with the convex portion 22 of the engaging portion 21 on the facing surface 30a facing the fixed piece portion 20 along the short direction of the locking piece portion 30. 32a is formed thinner than the other portions of the locking piece portion 30, and in the state where the fixing piece portion 20 and the locking piece portion 30 are closed at the distal end portion of the locking portion 34, the fixing piece portion 20 side A protrusion 34 a that protrudes in contact with the rib 103 a of the seat frame 103 is formed.

  According to this, the bottom portion 32a of the bottomed groove portion 32 formed thinner than the other portions of the locking piece portion 30 along the short direction of the locking piece portion 30 is pushed by a finger or the like to be engaged with the engaging portion 21. When the engaging portion 31 is engaged with the engaged portion 31, the locking piece portion 30 bends at the bottom 32a of the bottomed groove 32 and the opening of the bottomed groove 32 can be expanded. Engagement work of the joint portion 21 and the engaged portion 31 can be facilitated.

  Further, the protruding portion 34a that protrudes toward the fixing piece portion 20 and contacts the rib portion 103a of the seat frame 103 suppresses a gap from being generated between the locking piece portion 30 and the rib portion 103a of the seat frame 103, When the engaging portion 21 and the engaged portion 31 are engaged with each other, the opening portion of the bottomed groove portion 32 that is widened acts so as to close, so that the engaging portion 21 and the engaged portion 31 are engaged. Is strengthened, and the attachment state of the seat cover 104 can be stabilized.

  Further, after the end edge portion 104a of the seat cover 104 and the fixing piece portion 20 are fixed, the engaging portion 21 and the engaged portion 31 are engaged, and the fixing piece portion 20 and the locking piece portion 30 are engaged. In the closed state, the locking portion 34 having a substantially U-shaped cross section is locked to the end edge portion 103b of the seat frame 103, and the seat cover 104 is attached to the seat frame 103. The seat cover 104 fixed to the portion 20 is prevented from jumping up, and the appearance can be improved.

  Further, a bias tape 70 is further arranged outside the seat cover 104 so as to cover and hide the stitched portion between the fixed piece 20 and the end edge 104 a of the seat cover 104, and the edge of the fixed piece 20 and the seat cover 104. Since the portion 104a and the bias tape 70 are stitched together, the stitched portion between the fixing piece portion 20 and the end edge portion 104a of the seat cover 104 does not appear on the outer portion of the seat cover 104, so that the appearance can be improved. it can.

  The child seat 100 includes a seat frame 103 that constitutes the seat portion 102, a seat cover 104 that covers the seat frame 103, and an attachment hook 10 that is used when attaching the seat cover 104 to the seat frame 103. The end edge portion 104 a and the attachment hook 10 are fixed, the end edge portion 103 b of the seat frame 103 and the attachment hook 10 are locked, and the seat cover 104 is attached to the seat frame 103.

  According to this, since it is not necessary to extend the adhering piece 20 longer than the locking piece 30, the usage amount of the member of the seat cover 104 can be reduced.

  Other embodiment of this invention is described based on drawing. About the structure which is common in the attachment hook 10, the same code | symbol is attached | subjected and description of all or one part is abbreviate | omitted.

  As shown in FIG. 5, the mounting hook 10 </ b> A of the present embodiment includes an engaging portion 51 and an engaged portion 61.

  The engaging portion 51 is formed on the facing surface 20 a of the fixing piece portion 20 as a convex portion 52 protruding toward the locking piece portion 30 along the short direction of the fixing piece portion 20.

  The convex portion 52 has a head portion 52b having a substantially rhombic cross section at the tip via the neck portion 52a, and the fixing piece from the locking piece portion 30 side in a state where the fixing piece portion 20 and the locking piece portion 30 are closed. A split groove 52 c is formed along the short direction of the locking piece 30 toward the portion 20 side.

  The engaged portion 61 is formed along the short direction of the locking piece portion 30 as a bottomed groove portion 62 that can be engaged with the convex portion 52 as the engaging portion 51 on the opposing surface 30 a of the locking piece portion 30. Yes.

  The bottomed groove portion 62 is formed to protrude toward the locking portion 34 in a substantially C-shaped cross section of the locking piece portion 30, and the bottom portion 62 a of the bottomed groove portion 62 is locked from other portions of the locking piece portion 30. It is formed to be recessed so as to be located on the part 34 side.

  The opening portion of the bottomed groove portion 62 has a pair of occlusion pieces 63 and 63 that protrude toward the fixing piece portion 20 and that can be engaged with the neck portion 52a of the convex portion 52.

  With such a configuration, when the engaging portion 51 and the engaged portion 61 are engaged, the head portion 52b of the convex portion 52 reduces the width in the longitudinal direction of the fixing piece portion 20 by the split groove 52c. Therefore, the head portion 52b of the convex portion 52 can easily enter the bottomed groove portion 62, and the engagement work between the engaging portion 51 and the engaged portion 61 can be facilitated.

  When the fixing piece 20 is stitched to the edge 104a of the seat cover 104, the engagement portions 21 and 51 are formed at positions where the sewing machine presser foot does not interfere with the sewing work. Is desirable.

  Further, the engaging portions 21 and 51 are formed as convex portions 22 and 52 projecting toward the locking piece portion 30 on the facing surface 20 a of the fixing piece portion 20, but on the facing surface 30 a of the locking piece portion 30. It is also possible to form. Correspondingly, the engaged portions 31 and 61 are formed as bottomed groove portions 32 and 62 that can be engaged with the convex portions 22 and 52 on the opposing surface 30a of the locking piece portion 30, but the fixed piece portion 20. It is also possible to form on the opposite surface 20a.

  In addition, the engaging pieces 21 and 51 and the engaged parts 31 and 61 can be configured as separate members, and the fixing piece 20 and the locking piece 30 can be configured separately. It is also possible to form on the opposing surface 20a of the piece 20 or a portion other than the opposing surface 30a of the locking piece 30 to close the fixing piece 20 and the locking piece 30.

  Further, the fixing piece 20 and the locking piece 30 are formed in a long plate shape that is long in the direction from the end 20b, 30b on the hinge 40 side to the end 20c, 30c on the opposite side. It is also possible to increase the length in the short direction or form a square in the above embodiment.

  Further, considering the covering state of the seat frame 103 of the seat cover 104, it is desirable that the end 20c of the fixing piece 20 be bent toward the locking piece 30 side.

  As shown in FIGS. 2 and 5, the end 20 c of the fixed piece 20 is formed so as to slightly protrude from the lock piece 30 when the fixed piece 20 and the lock piece 30 are closed. However, if the appearance such as the exposure of the end edge portion 103b of the seat frame 103 is not taken into consideration, the length may be the same as the end portion 30c of the locking piece portion 30 or the end portion of the locking piece portion 30. It is also possible to form 30 c so as to protrude slightly from the fixed piece 20.

100 Child Seat 103 Seat Frame 103a Rib 103b End Edge 104 Seat Cover 104a End Edge 10, 10A Seat Cover Mounting Hook 20 Adhering Piece 20a Opposing Surface 20b End 20c End 21 Engaging 22 Protruding 30 Locking Piece Part 30a Opposing surface 30b End part 30c End part 31 Engaged part 32 Bottomed groove part 32a Bottom part 34 Locking part 34a Projection part 40 Hinge part 51 Engagement part 61 Engaged part

Claims (4)

A seat cover mounting hook used when a seat cover that covers the seat frame is attached to a seat frame constituting a seat portion of a child seat,
A plate-like fixing piece portion fixed to the edge portion of the seat cover on one end side;
A plate-like locking piece portion having a locking portion to be locked to the edge of the seat frame on one end side;
A hinge part that connects the other end side of the fixed piece part and the other end side of the locking piece part, and allows the fixed piece part and the locking piece part to be opened and closed with each other;
With
In the state where the locking piece portion and the locking piece portion are closed, the locking portion is formed in a substantially U-shaped cross section that bends to the opposite side of the locking piece portion,
An engagement portion is disposed on the fixed piece portion,
The engaging piece portion is provided with an engaged portion,
A seat cover mounting hook, wherein the engaging portion and the engaged portion are engaged with each other so that the fixed piece portion and the locking piece portion are closed.   The seat cover mounting hook according to claim 1, wherein the hinge portion is formed in a thin plate shape than the fixing piece portion and the locking piece portion. The engaging portion is a convex portion projecting toward the locking piece portion on the surface of the fixing piece portion facing the locking piece portion in a state where the fixing piece portion and the locking piece portion are closed. Formed along a direction perpendicular to the direction from one end of the fixing piece to the other end,
The engaged portion can be engaged with the convex portion of the engaging portion on a surface of the locking piece portion facing the fixing piece portion in a state where the fixing piece portion and the locking piece portion are closed. Formed as a bottomed groove along the direction orthogonal to the direction from one end to the other end of the locking piece,
The bottom of the bottomed groove is formed thinner than the other part of the locking piece,
A protruding portion that protrudes toward the fixing piece portion and comes into contact with the end portion of the seat frame when the fixing piece portion and the locking piece portion are closed is formed at the distal end portion of the locking portion. The seat cover mounting hook according to claim 1, wherein the seat cover mounting hook is provided. A seat frame that constitutes a seat portion; a seat cover that covers the seat frame; and a seat cover attachment hook that is used when the seat cover is attached to the seat frame.
A child seat in which an end edge portion of the seat cover and the seat cover mounting hook are fixed, an end edge portion of the seat frame and the seat cover mounting hook are locked, and the seat cover is attached to the seat frame. There,
The child seat, wherein the seat cover mounting hook is the seat cover mounting hook according to any one of claims 1 to 3.

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