JP6494979B2 - baby carriage - Google Patents

Description

  The present invention relates to a foldable baby carriage, and more particularly to a baby carriage that is easy to carry.

  Most of the baby carriages that are widely used are foldable. For example, the baby carriage disclosed in Patent Document 1 can be folded so that the front leg and the handle are close to each other in a side view. The folded baby carriage can be compact in size in the front-rear direction and is suitable for carrying.

JP 2011-063097 A

  FIG. 10 shows a conventional baby carriage 500 in a folded state. Normally, when carrying the folded baby carriage 500, one arm is passed through the handle 520 and lifted, and the baby is held with the remaining arm. However, since the position where the arm is passed is a relatively high position in the handle 520, it is difficult to lift the baby carriage 500 when the handle 520 is lifted by passing one arm. For this reason, when going over a large step or going up and down steep stairs, the guardian is forced to take a burdensome posture in order to lift the baby carriage 500 high.

  In addition, the handle 520 is fixed to the main body frame 510 but has some backlash. The rattling of the handle 520 makes it difficult to lift the baby carriage 500.

  The present invention has been made in consideration of such points, and an object thereof is to provide a foldable baby carriage that is easy to carry.

  The baby carriage according to the present invention is a baby carriage that can be folded from an unfolded state to a folded state, and is attached to the body frame, a seat having a body frame, a seat portion and a backrest portion connected to the seat portion, A seat support that supports the seat, the seat support including a seat support that supports the seat, and a back support that supports the back support, the seat surface A handle is attached to the support.

  In the baby carriage according to the present invention, the handle may protrude upward from the seat support in the folded state.

  In the baby carriage according to the present invention, when the baby carriage is folded from the unfolded state to the folded state, the seat surface support body is rotated so that a front portion thereof is lifted upward. The handle may be attached to the front portion.

  In the baby carriage according to the present invention, the seat support includes a pair of side frames facing in the width direction, and a front frame connecting the pair of side frames at the front, and the handle includes the front frame. May be held.

  In the baby carriage according to the present invention, the handle includes a pair of base end portions attached to the seating surface support body with an interval in the width direction, and a main body portion spanned between the pair of base end portions. May be included.

  In the baby carriage according to the present invention, the main body portion may be composed of a belt-like member having flexibility.

  In the baby carriage according to the present invention, the main body portion may be pivotally attached to the proximal end portion.

  In the stroller according to the present invention, when the stroller in the unfolded state is observed from above, the handle may overlap the seat portion of the seat.

  According to the present invention, in a state where the baby carriage is folded, the handle is located at a position lower than the portion where the handle is put on, so that when the baby carriage is lifted, the baby carriage can be floated to a considerable height. In addition, when the baby carriage is lifted by holding the handle, the force applied from the hand to the seat support acts in the direction of folding the baby carriage and stabilizes the folded state of the baby carriage. As a result, the baby carriage can be easily carried in an easy posture even when climbing over a large level difference or when climbing up and down steep stairs.

The perspective view which shows the whole structure of the baby carriage in one embodiment of this invention. The perspective view which shows the baby carriage shown in FIG. 1 in the state which removed the sheet | seat and the guard arm. The side view which shows the baby carriage shown in FIG. 2 in the state by which the handle | steering-wheel is arrange | positioned in the facing pressing position. The side view which shows the baby carriage shown in FIG. 2 in a folded state. The perspective view which expands and shows the handle of the baby carriage shown in FIG. The perspective view which shows the handle of the baby carriage shown in FIG. 5 in the state which attached the sheet | seat. FIG. 4 is a view showing a state where the baby carriage in the folded state shown in FIG. 3 is lifted. The perspective view which shows one modification of the handle shown in FIG. The perspective view which shows the state which turned the handle shown in FIG. The side view which shows raising the baby carriage in the conventional folding state.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIGS. 1-7 is a figure for demonstrating one Embodiment of the baby carriage by this invention. Among these, FIGS. 1 to 4 show the overall configuration of the baby carriage.

  The baby carriage 1 is configured to be foldable so as to be widely used (for example, Japanese Patent Application Laid-Open No. 2013-244942 and Japanese Patent Application Laid-Open No. 2007-089995). It can be folded into the folded state shown in FIG. In addition, the baby carriage 1 can be switched between the back pushing state shown in FIGS. 1 and 2 and the facing pushing state shown in FIG. 3 by swinging the handle 20 with respect to the main body frame 10 of the baby carriage 1. Yes.

  Here, in this specification, the terms “front”, “rear”, “up”, “down”, “front / rear direction”, and “up / down direction” with respect to the baby carriage are in an unfolded state unless otherwise specified. It means “front”, “back”, “up”, “down”, “front-rear direction”, and “up-down direction” based on an infant riding in a baby carriage 1. More specifically, the “front-rear direction” of the baby carriage 1 is a direction connecting the lower left and the upper right of the page in FIGS. 1 and 2 and corresponds to the left and right direction of the page in FIG. Unless otherwise specified, “front” is the side on which the baby boarded is facing, and the lower left side of the page in FIGS. 1 and 2 and the left side of the page in FIG. On the other hand, the “vertical direction” of the baby carriage 1 is a direction orthogonal to the front-rear direction and orthogonal to the ground contact surface. Therefore, when the ground contact surface is a horizontal plane, the “vertical direction” refers to the vertical direction. Further, the “width direction d1” is a horizontal direction, and is a direction orthogonal to both the “front-rear direction” and the “up-down direction”.

  First, the overall configuration of the baby carriage 1 will be described with reference to FIG. As shown in FIG. 1, the baby carriage 1 includes a baby carriage main body 2 and a seat 50 attached to the baby carriage main body 2. The baby carriage main body 2 includes a main body frame 10 and a handle 20 that is swingably attached to the main body frame 10. The main body frame 10 has a pair of front legs 11 arranged on the left and right sides, a pair of rear legs 12 arranged on the left and right sides, and a pair of armrests 13 arranged on the left and right sides, respectively. A front wheel 16 and a rear wheel 17 are rotatably supported on the lower end of the front leg 11 and the lower end of the rear leg 12, respectively. Further, between the front portions of the left and right armrests 13, an arcuate bendable guard arm 18 is stretched.

  The upper end portion of the front leg 11 is rotatably connected to the front portion of the armrest 13 arranged on the corresponding side (left side or right side). Similarly, the upper end portion of the rear leg 12 is rotatably connected to the front portion of the armrest 13 disposed on the corresponding side (left side or right side).

  Further, the rear portion of the armrest 13 is connected to an intermediate portion of the rear leg 12 disposed on the corresponding side (left side or right side) via the link member 14 and the rotation bracket 15.

  A handle 20 is swingably connected to the body frame 10 of the baby carriage body 2 having the above-described configuration. As shown in FIG. 1, in the present embodiment, the handle 20 includes a pair of substantially linear extending portions 21 that extend substantially parallel to each other, and a connecting portion 22 that connects between the pair of extending portions 21. It has a substantially U-shaped shape as a whole. The handle 20 is rotatably connected to the corresponding link member 14 at both ends of the U-shape.

  In the illustrated embodiment, a single shaft member 3 extending in the width direction d1 passes through the handle 20, the link member 14, and the rotating bracket 15, and holds them rotatably. . That is, the rotation axis of the handle 20 with respect to the link member 14 coincides with the rotation axis of the link member 14 and the rotation bracket 15.

  FIG. 2 shows the baby carriage 1 with the seat 50 and the guard arm 18 removed. As shown in FIG. 2, the baby carriage main body 2 further includes a seat support 30 attached to the main body frame 10. The seat support 30 supports the seat 50 so as to be reclining. The seat support 30 according to the present embodiment includes a seat support 31 and a back support 32 connected to the seat support 31 so as to be swingable (can be tilted). The seat support 31 is positioned from below the buttocks of the infant riding the baby carriage 1, and the back support 32 is positioned behind the back of the baby riding the baby carriage 1.

  The seat surface support body 31 and the back support body 32 of the present embodiment are each formed in a U-shape or a slightly U-shape that is slightly squared as a whole. Corresponding ends are pivoted so that the U-shaped seating surface support 31 and the U-shaped back support 32 face each other with their open portions facing each other. That is, the back support 32 is connected to the seat support 31 and can swing with respect to the seat support 31.

  In particular, the seating surface support 31 has a pair of side frames 31a and a front frame 31b that connects the pair of side frames 31a forward. The pair of side frames 31a are opposed to the width direction d1 and extend in a shaft shape along the front-rear direction. On the other hand, the front frame 31b extends in a shaft shape along the width direction d1 between the front ends of the pair of side frames 31a. The pair of side frames 31a and the front frame 31b are configured as an integral part formed by bending a metal pipe made of a single material, for example, aluminum.

  Each side frame 31a is fixed to the end member 31c at its rear end. The end member 31c can be formed using, for example, a resin as a cap-shaped member that covers the end of the side frame 31a. The pair of side frames 31a, the front frame 31b, and the end member 31c constitute a seating surface support 31.

  The back support 32 includes a shaft-shaped back support frame 32a formed in a U-shape and end members 32b attached to the ends of the U-shape formed by the back support frame 32a. Yes. The back support frame 32a is configured as an integral part formed by bending a metal pipe made of a single material, for example, aluminum. On the other hand, the end member 32b is configured as a cap-shaped member that covers the end portion of the backrest frame 32a.

  As shown well in FIG. 2, the shaft member 3 penetrating the link member 14 and the rotating bracket 15 includes the end member 31 c of the seat support 31 and the end member 32 b of the back support 32. It penetrates. In this way, as described above, the back support 32 is connected to the seat support 31 and can swing with respect to the seat support 31.

  Further, as shown by a two-dot chain line in FIG. 2, a base sheet 33 that supports the sheet 50 from the back side in a portion surrounded by the pair of side frames 31a, the front frame 31b, and the backrest frame 32a. Is held in a tensioned state, in other words, in a tensioned state. The base sheet 33 has its ends attached to a pair of side frames 31a, a front frame 31b, and a backrest frame 32a. A portion of the base sheet 33 held by the pair of side frames 31a and the front frame 31b constitutes a part of the seating surface support 31, and a portion held by the backrest frame 32a is a backrest support 32. Part of

  However, the illustrated sheet support 30 is merely an example, and various modes can be assumed. For example, the seat support 31 and the back support 32 may be configured by plate-shaped plate members instead of the shaft-shaped frame members.

  A seat 50 having a seat portion 51 and a backrest portion 52 is attached to such a seat support 30. As can be understood from FIG. 1, the seat 51 of the seat 50 is supported by the seat support 31 of the seat support 30 and mainly supports the buttocks of the infant riding on the baby carriage 1. On the other hand, the backrest 52 is supported by the backrest support 32 and is disposed at a position facing the back of the infant. Since the seat 50 has flexibility, the seat portion 51 and the backrest portion 52 can be moved toward and away from each other in accordance with the reclining operation or the folding operation of the baby carriage 1.

  The stroller 1 having the overall configuration as described above can be folded by rotating the respective constituent members with each other as follows. FIG. 3 shows a side view of the baby carriage 1 in the unfolded state, and FIG. 4 shows a state in which the baby carriage 1 is folded.

  In the expanded state shown in FIG. 2, the handle 20 is fixed to the link member 14, and the rotating bracket 15 is also fixed to the link member 14. Thereby, the unfolded state of the baby carriage 1 is maintained, and the baby carriage 1 can be stably driven. When the baby carriage 1 is folded, the lock between the link member 14 and the rotating bracket 15 is released, and the handle 20 disposed at the rear position is once pulled upward and then lowered downward. With the operation of the handle 20, the link member 14 and the rotation bracket 15 are separated from the rear leg 12, and the rotation bracket 15 rotates in the clockwise direction in FIG. 3 with respect to the rear leg 12. Further, along with this operation, the armrest 13 and the seating surface support 31 are rotated clockwise in FIG. 3 with respect to the link member 14. In other words, the armrest 13 and the seating surface support 31 rotate so that their front portions are lifted upward.

  As shown in FIG. 4, by such an operation, the handle 20 and the front leg 11 are disposed substantially parallel to each other in a side view, the position of the handle 20 is lowered, and the baby carriage 1 can be folded. In the folded state of FIG. 4, the dimensions of the baby carriage 1 along the front-rear direction and the vertical direction can be reduced. In addition, in order to expand the baby carriage 1 from the folded state, a procedure reverse to the folding operation described above may be performed.

  Now, when carrying the baby carriage 1, it is convenient to carry the baby carriage 1 in a folded and compact state. As in the prior art, when carrying one arm on the connecting portion 22 of the handle 20, the stroller 1 cannot be easily lifted due to the height of the connecting portion 22 or the rattling of the handle 20. Therefore, the baby carriage 1 according to the present embodiment is provided with a handle 60 at the front portion of the seat support 31.

  FIG. 5 is an enlarged view of the handle 60 with the sheet 50 removed. As shown in FIG. 5, the handle 60 is held by the seat support 31. In particular, in the unfolded state of the baby carriage 1 shown in FIG. 5, the handle 60 protrudes forward from the seat support 31.

  A handle 60 shown in FIG. 5 includes a pair of base end portions 61 attached to the seating surface support 31 with an interval in the width direction d1 and a main body portion 62 spanned between the pair of base end portions 61. And. Among these, each base end portion 61 is formed in a cylindrical shape, and the front frame 31 b of the seating surface support 31 is inserted into each base end portion 61. The handle 60 is held by the front frame 31 b passing through the cylindrical base end portion 61. However, each base end portion 61 is not fixed to the front frame 31b, and can be slightly shifted in position along the front frame 31b.

  In particular, in the example illustrated in FIG. 5, the portion 33 a held by the front frame 31 b of the base sheet 33 is positioned between the pair of base end portions 61 into which the front frame 31 b is inserted. In this case, the movement range of each base end portion 61 is restricted between the portion 33a held by the front frame 31b of the base sheet 33 and the side frame 31a. For this reason, the position of each base end portion 61 is stabilized and the handle 60 is easily gripped.

  The main body portion 62 has a belt-like shape and extends between the pair of base end portions 61 in a U-shape. In the unfolded state of the baby carriage 1 shown in FIG. 5, the main body portion 62 is positioned in front of the front frame 31b of the seat support 31 and forms a space for inserting a hand between the front frame 31b. ing.

  FIG. 6 shows an enlarged handle 60 with the seat 50 attached. As understood from FIG. 6, the handle 60 is located at a position overlapping the seat 51 of the seat 50 when the stroller 1 in the unfolded state is observed from above. That is, the handle 60 is located at a position hidden by the seat 50 in the unfolded state of the baby carriage 1.

  The base end portion 61 and the main body portion 62 constituting the handle 60 shown in FIGS. 5 and 6 are made of a flexible material. As an example, the base end portion 61 and the main body portion 62 may be formed of a belt-shaped member made of a natural material or a synthetic fiber material.

  Further, referring to an example of the dimensions of the handle 60, the width W1 of the belt material forming the handle 60 is set to about 15 mm to 60 mm, for example. Considering the ease of gripping the handle 60, the length L1 of the handle 60 in the width direction d1 is, for example, about 0.5 to 0.9 times the length L2 of the seat support 31 in the width direction d1, A specific value is set to about 50 mm to 300 mm. Considering the ease of inserting the hand into the handle 60, the distance D1 at which the main body portion 62 is separated from the front frame 31b when the handle 60 is extended is set to, for example, about 30 mm to 100 mm.

  Next, a method of using the handle 60 having the above configuration will be described with reference to FIG. FIG. 7 is a side view showing the baby carriage 1 in a folded state.

  In the folded state shown in FIG. 7, the handle 60 is exposed from the seat portion 51 of the seat 50 and protrudes upward from the seating surface support 31. In the folded state shown in FIG. 7, the handle 60 is located below the connecting portion 22 of the handle 20 and the guard arm 18.

  As shown in FIG. 7, first, the baby carriage 1 is arranged beside the user, and the rear leg 12 side of the baby carriage 1, that is, the back side is directed to the user. The infant is held by the arm on the side opposite to the baby carriage 1. Next, the hand 22 is brought close to the handle 60 so that the connecting portion 22 of the handle 20 is inserted between the sides of the user. Subsequently, the knee is bent so that the baby carriage 1 is held under the armpit, and the handle 60 is gripped.

  Thereafter, the bent knee is extended and the baby carriage 1 is lifted. At this time, since the handle 60 is located at a position lower than the connecting portion 22 of the handle 20 and the guard arm 18, the baby carriage 1 can be easily floated to a considerable height when the baby carriage 1 is lifted.

  In addition, as understood from FIG. 7, when the baby carriage 1 is lifted, the force that pulls up the handle 60 is a force in a direction toward the upper side and the rear side of the baby carriage 1. The force for pulling up the handle 60 acts to rotate the seating surface support 31 in the clockwise direction when viewed from the direction of the arrow Y shown in FIG. 7 (coincident with the direction shown in FIG. 3). As described above, the force that rotates the seat support 31 in the clockwise direction acts in the direction in which the baby carriage 1 is folded. That is, when the baby carriage 1 is lifted by holding the handle 60, the force applied to the seat support 31 from the hand acts in the direction of folding the baby carriage 1, so that the folded state of the baby carriage 1 can be stabilized. As a result, the baby carriage 1 can be easily lifted.

  As described above, according to the present embodiment, the handle 60 is attached to the seat support 31. According to such a form, since the handle 60 is located at a position lower than the coupling portion 22 of the handle 20 in a state in which the baby carriage 1 is folded, the baby carriage 1 is moved to a considerable height when the baby carriage 1 is lifted. Can float. In addition, when the baby carriage 1 is lifted by holding the handle 60, the force applied to the seat support 31 from the hand acts in the direction in which the baby carriage 1 is folded, and the folded state of the baby carriage 1 is stabilized. As a result, the baby carriage 1 can be easily carried in an easy posture even when climbing over a large level difference or when climbing up and down steep stairs.

  Further, according to the present embodiment, the handle 60 projects upward from the seating surface support 31 in the folded state. In this case, it is easy to grip the handle 60 when lifting the baby carriage 1.

  Further, according to the present embodiment, the seating surface support 31 includes the pair of side frames 31a facing each other in the width direction d1 and the front frame 31b that connects the pair of side frames 31a at the front. The hand 60 is held by the front frame 31b. In this case, the handle 60 can be attached to the seat support 31 at a well-balanced position in the width direction d1 of the baby carriage 1. As a result, it contributes to lifting the baby carriage 1 in a balanced manner.

  Further, according to the present embodiment, the handle 60 is spanned between the pair of base end portions 61 attached to the seating surface support 31 with a space in the width direction d1 and the pair of base end portions 61. Main body portion 62. In this case, since the main body portion 62 is held by the pair of base end portions 61 in a stable state, it is easy to apply force to the handle 60 when the baby carriage 1 is lifted.

  Further, according to the present embodiment, the handle 60 is positioned below the guard arm 18 in the folded state. In this case, the position in the height direction of the handle 60 is a position where it is easier to put on the hand.

  Further, according to the present embodiment, the handle 60 overlaps the seat 51 of the seat 50 when the stroller 1 in the unfolded state is observed from above. In this case, since the handle 60 can be hidden by the seat 50 in the unfolded state of the baby carriage 1, it is possible to prevent problems caused by the handle 60 protruding from the seat 50. Also, the appearance is excellent.

  Further, according to the present embodiment, the main body portion 62 is made of a flexible belt-like member. In this case, it contributes to making the handle 60 light and strong.

  The handle 60 is not limited to an example in which the main body portion 62 is made of a belt-like belt material. FIG. 8 and FIG. 9 show another example of the handle 60. Also in the example shown in FIGS. 8 and 9, the handle 60 is spanned between the pair of base end portions 61 attached to the seat support 31 and spaced apart in the width direction d <b> 1 and the pair of base end portions 61. Main body portion 62. Each base end portion 61 is fixed to the front frame 31 b of the seating surface support 31, and the main body portion 62 is pivotally attached to the base end portion 61 via a pin 63.

  When the baby carriage 1 is carried, the handle 60 is turned to the use state shown in FIG. In the use state shown in FIG. 8, the main body portion 62 projects forward from the front frame 31 b of the seating surface support 31.

  On the other hand, when the handle 60 is not used, the handle 60 is turned to the storage state shown in FIG. 9 and the handle 60 is stored under the seat support 31. In the storage state shown in FIG. 9, the main body portion 62 is folded until it is located below the seat support 31.

  Thus, by turning the main body portion 62 with respect to the base end portion 61, the main body portion 62 can be easily held in the use state, while the handle 60 of the seat support 31 is not used when the handle 60 is not used. Can be stored underneath. As a result, the convenience of the handle 60 is improved.

DESCRIPTION OF SYMBOLS 1 Baby carriage 10 Main body frame 18 Guard arm 20 Handle 22 Operation part 30 Seat support body 31 Seat surface support body 31a Side frame 31b Front frame 32 Back support body 50 Seat 51 Seat part 52 Back support part 60 Handle 61 Base end part 62 Body part d1 width direction

Claims (7)

A baby carriage that can be folded from an unfolded state to a folded state,
Body frame,
A handle having a pair of extending portions swingable to the main body frame, and a connecting portion connecting the pair of extending portions;
A seat having a seat and a backrest connected to the seat;
A seat support attached to the body frame and supporting the seat;
With
The seat support includes a seat surface support that supports the seat, and a back support that supports the back support,
A handle is attached to the seat support ,
In the folded state, the handle is located below the connecting portion of the handle,
When the baby carriage in the unfolded state is observed from above, the handle is overlapped with the seat portion of the seat .   The baby carriage according to claim 1, wherein the handle protrudes upward from the seating surface support in a folded state. When the baby carriage is folded from the unfolded state to the folded state, the seat support is pivoted so that its front portion is lifted upward,
The baby carriage according to claim 1 or 2, wherein the handle is attached to a front portion of the seat support. The seating surface support has a pair of side frames facing in the width direction, and a front frame connecting the pair of side frames at the front,
The baby carriage according to any one of claims 1 to 3, wherein the handle is held by the front frame.   The handle includes a pair of base end portions attached to the seating surface support with a space in the width direction, and a main body portion spanned between the pair of base end portions. The baby carriage according to any one of 4.   The baby carriage according to claim 5, wherein the main body portion is made of a belt-like member having flexibility.   The baby carriage according to claim 5, wherein the main body portion is pivotally attached to the proximal end portion.

Images