JP2017144856A - Baby carriage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a baby carriage which can be easily carried in a folded state.SOLUTION: A baby carriage 1 which can be folded comprises: a pair of front leg frames 11 on which a front wheel is arranged; a pair of rear leg frames 12 on which a rear wheel is arranged; a seating part 10 supported by the front leg frames 11 and the rear leg frame 12; a pair of frame attachment member 29 on which the front leg frames 11 and the rear leg frames 12 are rotatably supported on both sides of a direction orthogonal to a cross direction of the seating part 10; and a front guard member 31 which is long and has flexibility, the end parts of the front guard member 31 are attached to respective frame attachment member 29, and arranged so as to stride over the seating part 10 on a front part of the seating part 10. In a state in which the baby carriage 1 is folded, the front guard member 31 is arranged on an upper side and serves as a handle.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a stroller in which a front guard member is disposed across the front of a seating portion.

  As shown in Patent Document 1, the stroller is configured to be foldable and is carried in a folded state when getting on a train or a bus or when ascending or descending a staircase. In this stroller, a front leg frame to which a front wheel is attached and a rear leg frame to which a rear wheel is attached are rotatably attached to an armrest. The stroller travels by being pushed through a handle that is rotatably attached to the rear leg frame and the armrest. The stroller is moved in a direction in which the front leg frame and the rear leg frame are close to each other, and is further moved and folded in a direction in which the front leg frame and the handle are close to each other. The folded stroller can be carried with the handle in hand or with the handle on the shoulder.

JP 2015-44497 A

  In the stroller of Patent Document 1, the handle is provided on the premise that the handle is operated by pushing the stroller. Further, for example, an operation unit such as an opening / closing lever that locks the stroller in a deployed state and prohibits folding is disposed on the handle. For this reason, the handle has a configuration that is difficult to use as a handle when carrying the stroller because the operation unit or the like becomes an obstacle. Moreover, since the handle is a rigid body and does not have flexibility, it is difficult to hang on the shoulder.

  Some baby strollers are also provided with a belt so that the baby stroller can be folded over the shoulder. However, when the belt is provided, the belt becomes an obstacle in the state where the stroller is deployed.

  An object of the present invention is to provide a stroller that can be easily carried in a folded state.

A stroller that solves the above problems is a foldable baby stroller that includes a pair of front leg frames on which a front wheel is disposed, a pair of rear leg frames on which a rear wheel is disposed, the front leg frame, and the rear leg frame. A pair of frame mounting members that are rotatably supported by the front leg frame and the rear leg frame on both sides in a direction orthogonal to the front-rear direction of the seating section; And a front guard member having flexibility, wherein each end is attached to each of the frame attachment members, and the front guard member is disposed across the seating portion in front of the seating portion. Prepare. Then, in a state where the stroller is folded, the front guard member is located on the opposite side to the front wheel and the rear wheel and becomes a handle.
According to the above configuration, the front guard member can be used as a handle when the stroller is folded.

In the stroller, at least one of the pair of frame attachment members may include an attachment / detachment portion that allows an end of the front guard member to be attached / detached.
According to the said structure, a front guard member can be removed according to an operator's liking and the growth degree of infants.

The stroller may further include a handle attached to the frame attachment member, and the handle may be configured to be rotatable rearward of the stroller on the frame attachment member.
According to the above configuration, the overall height of the folded stroller can be reduced. When the stroller is used as a handle with the front guard member, the folded stroller can be easily carried.

In the stroller, the longitudinal center portion of the front guard member may be positioned at the highest position when the stroller is folded.
According to the said structure, the position of a front guard member becomes high and it becomes easy to carry the baby stroller folded with the front guard member in hand or over the shoulder.

The stroller further includes a footrest portion in front of the seating portion, and the front guard member is inclined to the footrest portion side with respect to a vertical direction when the stroller is folded. It is good.
According to the said structure, a footrest part functions as a shock absorbing material by interposing a footrest part between the folded stroller and the operator, and the impact on the operator can be reduced.

In the stroller, the rear leg frame may have an opening / closing step disposed above the rear wheel.
According to the above configuration, when the folded stroller is unfolded, the unfolding operation can be performed in a stable state by stepping on the opening / closing step of the rear leg frame.

In the stroller, the front guard member is disposed across the seating portion in front of the seating portion, and is a long and flexible guard body that is detachable from the stroller. A buckle attached to each end of the guard body and attached to and detached from the attachment / detachment part, and the guard body has a connection part connected to the buckle at each end part, and the buckle is An insertion port into which the connection portion is inserted; and a fixing portion that is continuous with the insertion port and to which the connection portion inserted from the insertion port is fixed; and a base end of the connection portion in the guard body; The adjacent part may be provided with a thick part thicker than the central part in the longitudinal direction of the guard body, and the thick part may have a thickness that is equal to the thickness of the part of the insertion opening.
According to the above configuration, the thickness of the thick portion is made equal to the thickness of the attachment member of the buckle so that no step is formed between the surface of the buckle and the end of the guard body. Thereby, the touch of a front guard member can be improved.

The said stroller WHEREIN: The said guard main body is good also as a structure provided with the wide part wider than the both sides of the said center part in the transversal direction in the center part of the said longitudinal direction.
According to the above configuration, the contact surface with the shoulder and palm increases, and the burden on the shoulder and palm can be reduced.

In the stroller, the connection portion includes a pair of connection pieces spaced in a thickness direction, and the connection portion is fixed from the insertion port in a state where a reinforcing piece is sandwiched between the pair of connection pieces. It is good also as a structure inserted in a part and being fixed with respect to the said buckle by the fixing member in the said fixing | fixed part.
According to the said structure, the connection of a guard main body and a buckle can be strengthened by interposing a reinforcement piece between a pair of connection pieces. Therefore, even when the front guard member is used as a handle, the strength of the connecting portion can be sufficient to carry the folded stroller.

  The present invention can provide a stroller that can be easily carried in a folded state.

The perspective view which shows the flame | frame of the stroller which removed the sheet | seat material and the hood. The perspective view which shows the state by which the seat member and hood which consist of cushioning materials etc. were the baby carriages attached to the flame | frame, and the baby carriage was developed. The perspective view which looked at the front guard member from the surface side. The perspective view which looked at the front guard member from the back side. The disassembled perspective view of a front guard member. Sectional drawing of a front guard member. The principal part side view which shows the state which attaches a front guard member to the attachment or detachment part of a frame attachment member. The principal part perspective view which shows the state in which the front guard member was attached to the attachment / detachment part. It is a figure explaining folding operation | movement of a stroller, and is a side view which shows the state which bent the operation frame of the handle | steering-wheel forward. The side view which shows the state which bent the extension flame | frame of the handle | steering-wheel back after the state of FIG. It is a side view which shows the state by which the stroller was folded. The principal part perspective view which shows the state which the locking member of the rear leg frame engaged with the engagement recessed part of the handle | steering-wheel. The side view which shows the state which carries the folded stroller over a shoulder. The side view which shows the state which pulls the folded stroller and carries it. The principal part side view which shows the state which stepped on the opening / closing step of the rear leg frame when unfolding the folded stroller. The perspective view which is a stroller demonstrated in 2nd Embodiment, Comprising: The frame of the stroller which removed the sheet | seat material and the hood. The side view which shows the state which folds the stroller demonstrated in 2nd Embodiment. The side view which shows the state which folded the stroller demonstrated in 2nd Embodiment.

(First embodiment)
A stroller as a first embodiment to which the present invention is applied will be described below with reference to FIGS.
1 and 2 show a single-seater baby stroller 1 for carrying an infant or the like, and is used in a posture in which an infant or the like is laid down or seated. The state of the stroller 1 shown in FIG. 1 and FIG. 2 shows the state of pushing the back of the stroller 1 from the rear. In the following explanation, the traveling direction is defined as “front” with reference to the state of pushing the back. The opposite direction with respect to the traveling direction is defined as the rear (rear), the left and right direction with respect to the traveling direction is defined as left and right, and the up and down direction with respect to the traveling direction is defined as up and down. In FIG. 1, a seat member made of a cushion material or the like and a hood are omitted.

  The stroller 1 includes a pair of front leg frames 11, a pair of rear leg frames 12, and a seat frame 13 that constitutes a seat portion 10 on which an infant or the like sits. Each front leg frame 11 has a substantially linear shape as a whole, one end is bent, and a front wheel 11a with casters is disposed at one end. Each rear leg frame 12 has a substantially linear shape as a whole, and a rear wheel 12a with casters is disposed at one end. The pair of front leg frames 11 are connected by a front stay 14 traversing in the left-right direction, and the pair of rear leg frames 12 are also connected by a rear stay 15 traversing in the left-right direction. The front stay 14 is provided with a step 16 on which a seated infant or the like sits.

  In the pair of front leg frames 11, a frame attachment member 29 is attached to the other end opposite to the one end where the front wheel 11a is disposed. The pair of rear leg frames 12 also have a frame attachment member 29 attached to the other end opposite to the one end where the rear wheel 12a is disposed. The other end portion of the front leg frame 11 and the other end portion of the rear leg frame 12 are supported by a frame attachment member 29 so as to be rotatable with respect to each other. Then, the front leg frame 11 and the rear leg frame 12 move in the direction of approaching and separating from each other.

  The rear leg frame 12 is provided with an opening / closing step 17 in the vicinity of the rear wheel 12a and above the rear wheel 12a. The opening / closing step 17 is used to support the stroller 1 that is folded by stepping lightly so that an operator can put on a toe when the folded stroller 1 is unfolded.

  A side frame 18 is disposed between the left and right front leg frames 11 and the rear leg frame 12 in the front-rear direction. Each side frame 18 has a substantially linear shape as a whole, and is supported so that one end thereof is rotatable at a position close to the other end of the front leg frame 11 and the other end of the rear leg frame 12. It is rotatably supported at an intermediate position.

  The seating frame 13 has a pair, and each base end portion is rotatably attached to the frame attachment member 29 via a connecting member. Between the pair of seating frames 13, a seat member constituting the seating portion 10 is disposed. A footrest bar 13a constituting a footrest portion 13b for supporting a foot of an infant or the like seated on the seating portion 10 is rotatably attached to the distal end portions of the pair of seating frames 13. The footrest bar 13a has a U-shape, and each end portion of the U-shape is rotatably supported by the distal end portion of the seating frame 13. A cover member made of a cushion material or the like is attached to the pair of seating frames 13 to constitute the seating portion 10 and a series of footrest portions 13b. The footrest bar 13a can adjust the angle with respect to the seating frame 13 in multiple stages. The pair of seating frames 13 are rotatably supported by the same shaft as one end of the side frame 18 at a position close to the other end of the front leg frame 11.

  A back support frame 19 is rotatably supported on the base end portion of the seating frame 13. The backrest frame 19 is attached with a seat member, is in a series with the seating portion 10, and becomes a backrest portion 19 d of an infant or the like seated on the seating portion 10. The backrest frame 19 has a U-shape and includes a pair of vertical frames 19a and a connecting frame 19b that connects the vertical frames 19a. The connection frame 19b is positioned above the backrest 19d, and a headrest 19c that supports the head of an infant seated on the seat 10 is rotatably supported.

  A handle 20 is disposed on the frame attachment member 29 toward the rear of the stroller 1. The handle 20 includes an extension frame 21 that extends from each frame attachment member 29 and an operation frame 22 that connects the extension frame 21, and has a U-shape as a whole. The extension frame 21 has a linear shape, and is supported so as to be rotatable behind the stroller 1 via a frame attachment member 29. The operation frame 22 is connected to the distal end portion of the extension frame 21 via a rotation support member 23. In the rotation support member 23, the operation frame 22 is supported so as to be rotatable toward the front of the stroller 1 with respect to the extension frame 21. On the operation frame 22, an opening / closing lever 22 a serving as an operation portion for locking the folding of the stroller 1 is disposed. The folded stroller 1 is unlocked and can be unfolded by operating the open / close lever 22a. Further, the deployed stroller 1 is unlocked and can be folded by operating the opening / closing lever 22a.

  The rear leg frame 12 is provided with a lock member 26 that engages with the engagement recess 23 a of the rotation support member 23 of the handle 20 in the middle. When the stroller 1 is folded, the lock member 26 prevents the handle 20 and the rear leg frame 12 from moving from a close state to a distant state by engaging the front end portion with the engaging recess 23a. The baby stroller 1 is locked so as not to be deployed.

Each of the frame attachment members 29 is located on the outermost side in the left-right direction of the stroller 1. Thereby, the seat part 10 does not have a member protruding inward, and suppresses deterioration of the riding comfort in the seat part 10.
A front guard member 31 is detachably attached to each frame attachment member 29. Specifically, each frame attachment member 29 includes an attachment / detachment portion 24 to / from which an insertion member 46 (see FIGS. 3 and 4) constituting the buckle 38 disposed at the end of the front guard member 31 is attached / detached. The detachable portion 24 protrudes obliquely forward with respect to the vertical direction in a state where the stroller 1 is unfolded, and an detachable port 24a is formed at the front end surface of the detachable portion 24. An insertion member 46 constituting 38 is inserted. The detachable portion 24 is provided with an operation opening 25 through which the lock portion 46b of the buckle 38 is exposed.

  As shown in FIGS. 3 and 4, the front guard member 31 includes a long and flexible guard body 32 and connecting portions 36 at both ends of the guard body 32. A buckle 38 is attached to the connection portion 36. The guard body 32 is made of a flexible resin material such as a synthetic resin in which EVA (ethylene / vinyl acetate copolymer resin) and PE (polyethylene resin) are mixed. The guard body 32 is a long and flat belt-like member, and is configured such that the surface is flat or gently curved in the lateral direction so as to improve the touch. Moreover, the guard main body 32 has a width | variety of the grade which an operator can hold | grip with a hand as an example. The back surface of the guard body 32 is provided with a plurality of first ribs 33 extending in the lateral direction at the center and parallel to each other in the longitudinal direction. Moreover, the center part of the guard main body 32 is provided with the wide part 34 wider than both the side parts in a transversal direction. The first rib 33 is disposed on the back surface of the wide portion 34. The front guard member 31 functions as a handle like a shoulder belt when the stroller 1 is folded. The wide part 34 makes it possible to disperse the load on the shoulder by making the contact surface with the shoulder wide. The wide portion 34 is configured so that the side edge portion thereof has a gentle curve so that the touch is good, and the touch is improved. Further, the front guard member 31 may be held by hand or hung on the shoulder, and the first rib 33 bends in accordance with the shape of the palm or shoulder by being easily bent in the longitudinal direction of the guard body 32, The burden on the palm and shoulder can be reduced.

  The back surfaces of both end portions of the guard body 32 are provided with second ribs 35 that extend in the longitudinal direction and are parallel to each other in the lateral direction. The second rib 35 is disposed in the vicinity of the connecting portion 36, and thus is easily twisted with respect to the attaching / detaching portion 24 when being fixed to the attaching / detaching portion 24. As a result, the burden on the shoulders and palms can be reduced when the baby stroller 1 is held by the hand or shouldered.

  A portion of the guard body 32 adjacent to the base end of the connection portion 36 includes a thick portion 37 that is thicker than the central portion of the guard body 32 in the longitudinal direction. Since the front guard member 31 also functions as a handle, the buckle 38 connected to the attaching / detaching portion 24 is also a large member having a strength sufficient to support the weight of the stroller 1. Therefore, the thick portion 37 is configured so that the thickness of the guard body 32 is equal to the thickness of the attachment member 45 of the buckle 38, and no step is formed between the surface of the attachment member 45 and the end of the guard body 32. I am doing so. That is, the surface of the thick portion 37 is configured to be substantially flush with the surface of the attachment member 45. Thereby, the touch of the boundary part of the thick part 37 and the attachment member 45 is improved. The thick portion 37 is formed of a gentle curved surface that gradually becomes thicker from the center side in the longitudinal direction toward the connecting portion 36.

  As shown in FIGS. 5 and 6, the connecting portion 36 includes a pair of connecting pieces 39 spaced in parallel with each other in the thickness direction of the guard body 32 and a reinforcing piece 41 inserted between the pair of connecting pieces 39. And. The pair of connection pieces 39 and the reinforcing pieces 41 are substantially the same size, and the attachment holes 42 are arranged in the pair of connection pieces 39 so that the central axes coincide with each other. The through holes 43 are arranged with the axes aligned. An annular positioning protrusion 44 is disposed around the through hole 43, and the positioning protrusion 44 is fitted into the mounting hole 42.

  The pair of connection pieces 39 are assembled to the buckle 38 with the reinforcing piece 41 inserted. The buckle 38 includes an attachment member 45 attached to the connection portion 36 and an insertion member 46 that can rotate with respect to the attachment member 45.

  The attachment member 45 includes an insertion port 45a into which a pair of connection pieces 39 with the reinforcing piece 41 inserted therebetween is inserted, and a fixing portion 45b which is a space continuous with the insertion port 45a. The fixing portion 45b is provided with a fixing hole 45c that matches the mounting hole 42 and the through hole 43 with the central axis. When the pair of connecting pieces 39 with the reinforcing piece 41 inserted therebetween is inserted into the fixing portion 45b from the insertion port 45a, a fixing member 48 such as a caulking pin is inserted into the mounting hole 42, the through hole 43 and the fixing hole 45c. Then, the end portion is caulked to be fixed in the fixing portion 45b. The peripheral edge portion of the insertion port 45a of the mounting member 45 and the surface of the thick portion 37 are almost flush with each other, and the step is eliminated. The attachment member 45 includes a pair of rotation support pieces 45d that rotatably support the insertion member 46 on the side opposite to the insertion port 45a.

  The insertion member 46 includes an insertion portion 46a that is inserted into the detachable portion 24, a lock portion 46b that is disposed in the insertion portion 46a, and a rotation support portion 46c that is inserted between the pair of rotation support pieces 45d. ing. In the insertion member 46, the rotation support portion 46c is inserted between the pair of rotation support pieces 45d, the rotation shaft member 47 is inserted into the rotation support hole 46d of the rotation support portion 46c, and both ends are supported by rotation. By being supported by the piece 45d, it is rotatably attached to the attachment member 45.

  As shown in FIGS. 7 and 8, the insertion member 46 is inserted into the attachment / detachment portion 24 of the frame attachment member 29 from the attachment / detachment opening 24 a disposed at the distal end portion of the attachment / detachment portion 24. The lock portion 46b is disposed on an elastic piece provided in the insertion portion 46a. When the insertion member 46 is inserted into the attaching / detaching portion 24, the lock portion 46b elastically displaces the elastic piece, whereby the operation opening 25 is provided. Engage with. The insertion member 46 is removed from the detachable portion 24 by pressing the lock portion 46b and releasing the engagement with the operation opening 25.

  The front guard member 31 configured as described above is not used by inserting the entire guard body 32 including the guard body 32 into the tubular cover member of the sewn product, but is used with the guard body 32 exposed. be able to. Therefore, the front guard member 31 is a member that is directly touched by infants and operators. Therefore, the front guard member 31 is configured so that the thickness of the thick portion 37 is equal to the thickness of the attachment member 45 of the buckle 38, and a step is formed between the surface of the attachment member 45 of the buckle 38 and the end of the guard body 32. Is not formed and the touch is improved. Further, the surface of the guard body 32 is configured to be a flat curved surface or a gentle curved surface in the lateral direction, and the side edge portion of the wide portion 34 is configured to be a gentle curve, thereby improving the touch. ing.

Next, the operation of the stroller 1 configured as described above will be described.
As shown in FIGS. 1 and 2, the stroller 1 moves forward when the operator pushes it through the handle 20 in the unfolded state. During traveling, the front guard member 31 is disposed across the front of the seating portion 10 so that a seated infant or the like is grasped by the front guard member 31.

  As shown in FIG. 9, when the stroller 1 is folded, first, the lock is released by operating the opening / closing lever 22 a of the handle 20. When the lock is released, first, the operation frame 22 constituting the handle 20 is rotated toward the front of the stroller 1 with respect to the extension frame 21. As shown in FIG. 10, the extension frame 21 constituting the handle 20 is then rotated rearward of the stroller 1. As shown in FIG. 11, the front leg frame 11 and the rear leg frame 12 are moved in a direction approaching each other, and further, the front leg frame 11 and the handle 20 are moved in a direction approaching and folded. As shown in FIG. 12, the lock member 26 of the rear leg frame 12 is engaged with the engagement recess 23 a of the rotation support member 23 of the handle 20. As a result, the handle 20 and the rear leg frame 12 are locked so as not to move away from the close state, and as a result, the stroller 1 is locked in the folded state.

  In the stroller 1 folded as described above, the attachment / detachment portion 24 of the frame attachment member 29 projects obliquely forward with respect to the vertical direction, that is, the footrest portion 13b side, and the front end surface of the stroller 1 is folded. The front guard member 31 extends from the highest position. Therefore, the central portion in the longitudinal direction of the front guard member 31 is naturally located at the highest position in the folded stroller 1. As shown in FIG. 13, in the folded stroller 1, the operator carries the stroller 1 by holding the front guard member 31 by hand or hanging it on the shoulder. At this time, the footrest 13b is positioned on the operator side. When the footrest 13b is positioned on the operator side, the footrest 13b is interposed between the stroller 1 and the operator, and the footrest 13b functions as a cushioning material. As shown in FIG. 14, when the operator stands on the footrest portion 13 b side, the footrest portion 13 b is located between the operator and the stroller 1. In this case, the operator can also carry the stroller 1 while rolling the front wheel 11a or the rear wheel 12a. At this time, since the footrest portion 13b is interposed between the operator and the stroller 1, even if the stroller 1 hits the operator, the footrest portion 13b can mitigate the impact.

  As shown in FIG. 15, when unfolding the stroller 1 that is folded, first, the operator opens the opening / closing step 17 lightly so that the operator can put on a toe, thereby supporting the folded stroller 1. Next, the lock is released by operating the opening / closing lever 22a of the handle 20. Further, the engagement between the engagement recess 23a of the rotation support member 23 of the handle and the lock member 26 of the rear leg frame 12 is released. When the operation frame 22 of the handle 20 is pulled upward, the state shown in FIG. 10 is obtained. That is, the front leg frame 11, the rear leg frame 12, and the handle 20 move in directions away from each other. The extension frame 21 constituting the handle 20 is rotated upward of the stroller 1, and the operation frame 22 is rotated rearward with respect to the extension frame 21. When the stroller 1 is in the expanded state, it is locked in the expanded state.

According to the stroller 1 as described above, the effects listed below can be obtained.
(1) In a state where the stroller 1 is folded, the front guard member 31 can be used as a handle.
(2) The front guard member 31 can be removed according to the preference of the operator and the degree of growth of the infant.
(3) The handle 20 rotates to the rear of the stroller 1 with respect to the frame attachment member 29. Thereby, the total height of the folded stroller 1 can be lowered. When the stroller 1 is used with the front guard member 31 as a handle, the folded stroller 1 can have a height that is easy to carry.
(4) In the state where the stroller 1 is folded, the central portion in the longitudinal direction of the front guard member 31 is the highest. Therefore, it becomes easy to carry the stroller 1 folded by hand or over the shoulder.
(5) In the state where the stroller 1 is folded, the attaching / detaching portion 24 becomes the highest so that the position of the front guard member 31 can be set to a high position. Therefore, it becomes easy to carry the stroller 1 folded by hand or over the shoulder.
(6) In the state where the stroller 1 is folded, by interposing the footrest portion 13b between the stroller 1 and the operator, the footrest portion 13b functions as a cushioning material, and the impact on the operator is reduced. be able to. In addition, touching the operator's clothes with the front wheels 11a and the rear wheels 12a is suppressed, and the clothes can be prevented from being soiled.
(7) The stroller 1 can be locked in the folded state by the lock member 26. Thereby, at the time of carrying, it can suppress that the stroller 1 in the folded state expands.
(8) When the folded stroller 1 is unfolded, the unfolding operation can be performed in a stable state by stepping on the opening / closing step 17 of the rear leg frame 12.
(9) Since the frame attachment member 29 is located on the outermost side in the left-right direction and does not protrude from the seating portion 10, the riding comfort in the seating portion 10 can be improved.

(10) The front guard member 31 is configured so that the thickness of the thick portion 37 is equal to the thickness of the attachment member 45 of the buckle 38, and between the surface of the attachment member 45 of the buckle 38 and the end of the guard body 32. Make sure that no step is formed. Thereby, the touch of the front guard member 31 can be improved. Therefore, even if this front guard member 31 is not covered with the cylindrical cover member of the sewing product, it can be used by being attached to the detachable portion 24 without deteriorating the touch. Of course, attachment of the cylindrical cover member to the front guard member 31 is not prevented. In addition, since the surface of the thick portion 37 is configured to be substantially flush with the surface of the mounting member 45, the gap at the boundary between the thick portion 37 and the mounting member 45 is reduced, and foreign matter is caught. That can be suppressed.
(11) Since the front guard member 31 includes the first rib 33 at the longitudinal center of the guard body 32, the front guard member 31 is easily bent in the longitudinal direction, bends in accordance with the shape of the palm and shoulder, and bears on the palm and shoulder. Can be reduced.
(12) Since the front guard member 31 includes the second ribs 35 at both ends of the guard body 32, the front guard member 31 is easily twisted with respect to the attachment / detachment portion 24, and is held by the hand of the folded stroller 1 or when shouldered. Therefore, the burden on the shoulders and palms can be reduced.
(13) Since the front guard member 31 includes the wide portion 34 in the central portion in the longitudinal direction, the contact surface with the shoulder and palm increases, and the burden on the shoulder and palm can be reduced.
(14) The connection between the guard body 32 and the buckle 38 can be strengthened by interposing the reinforcing piece 41 between the pair of connection pieces 39. Therefore, even when the front guard member 31 is used as a handle, the strength of the connecting portion can be sufficient to carry the folded stroller 1.

(Second Embodiment)
A stroller as a second embodiment to which the present invention is applied will be described below with reference to FIGS.
As shown in FIG. 16, the stroller 101 includes a pair of front leg frames 111, a pair of rear leg frames 112, and a seat plate member 113 as a seating portion on which an infant or the like rides in a sitting or sitting posture. It has. Each front leg frame 111 has a linear shape, and a caster-equipped front wheel 111a is disposed at one end thereof. Each rear leg frame 112 has an L shape, and a rear wheel 112a with casters is disposed at one end thereof. The pair of front leg frames 111 are connected by a front stay 114 traversing in the left-right direction, and the pair of rear leg frames 112 are also connected by a rear stay 115 traversing in the left-right direction.

  In the pair of front leg frames 111, an armrest 116 as a frame mounting member is rotatably supported at the other end opposite to the one end where the front wheel 111a is disposed. The pair of rear leg frames 112 is also supported such that the rear end portion of the armrest 116 is turnable at the other end portion on the opposite side to the one end portion where the rear wheel 112a is disposed. The seat plate member 113 is disposed between the pair of front leg frames 111 and the pair of rear leg frames 112 and at an intermediate position between the front wheels 111 a and the rear wheels 112 a and the armrest 116. Specifically, a side frame 117 is disposed between the front leg frame 111 and the rear leg frame 112 in the front-rear direction. Each side frame 117 has an L-shape, and the front end is supported so as to be rotatable in the middle in the longitudinal direction of the front leg frame 111, and the rear end is higher than the front end. The rear leg frame 112 is positioned and supported by a bent portion in the middle in the longitudinal direction. The left and right side edges of the seat plate member 113 are supported so as to be elastically displaceable with respect to such a side frame 117.

  A front guard member 31 is detachably attached to the tip of the armrest 116. Specifically, each armrest 116 includes an attachment / detachment portion 24 to / from which the insertion member 46 disposed at the end of the front guard member 31 is attached / detached. The detachable portion 24 protrudes upward in a state where the stroller 101 is deployed, and the buckle 38 of the front guard member 31 is inserted from the front end surface thereof. The front guard member 31 and the attachment / detachment part 24 have the same configuration as the front guard member 31 and the attachment / detachment part 24 of the stroller 1 described above, and thus the details are omitted. Moreover, in the example of FIG.17 and FIG.18, the whole front guard member 31 including the part of the guard main body 32 is coat | covered with the cylindrical cover member 120 of a sewing product. Of course, the cylindrical cover member 120 can be removed for use.

  In the stroller 101, a handle 118 is supported on the outer side of the bent portion of the pair of rear leg frames 112 so as to be rotatable in the front-rear direction.

Next, the operation of the stroller 101 configured as described above will be described.
The stroller 101 moves forward when the operator pushes it through the handle 118 in the unfolded state. When traveling, the front guard member 31 is disposed across the front of the seat plate member 113 so that a seated infant or the like is grasped by the front guard member 31.

  As shown in FIG. 17, when the stroller 1 is folded, first, the lock is released, and the stroller 101 is tilted backward with the rear wheel 112a as a fulcrum. Then, the front leg frame 111, the rear leg frame 112, and the handle 118 are moved and folded in a direction close to each other. As shown in FIG. 18, at this time, the attaching / detaching portion 24 of the armrest 116 protrudes upward, and the front guard member 31 extends. Therefore, the central portion of the front guard member 31 in the longitudinal direction is naturally positioned at a high position of the folded stroller 1. The operator can carry the stroller 1 by holding the front guard member 31 by hand or hanging it on the shoulder in the folded stroller 1. The operator can also carry the stroller 1 while rolling the front wheel 11a and the rear wheel 112a of the stroller 1.

According to the stroller 101 as described above, the effects (1) and (2) as the stroller and (10) to (14) as the front guard member 31 can be obtained, and the effects listed below Is obtained.
(15) The front guard member 31 can be attached to the armrest 116.
(16) Since the central portion in the longitudinal direction of the front guard member 31 is located at a high position in the state where the stroller 1 is folded, the front guard member 31 is easy to use as a handle.

The stroller 1 may be modified as follows.
-In the front guard member 31, the connection structure of the connection part 36 of the guard main body 32 and the attachment member 45 of the buckle 38 is not specifically limited to the above-mentioned example. For example, the reinforcing piece 41 inserted between the pair of connection pieces 39 may not be an independent piece but may be a piece formed integrally with the fixing portion 45 b of the mounting member 45. Thereby, the connection part 36 becomes difficult to remove | deviate from the attachment member 45 further.
The front guard member 31 may not include the wide portion 34 provided in the center portion in the longitudinal direction of the guard body 32. For example, the guard body 32 may have the same width in the longitudinal direction, or the longitudinal center portion may be narrower than both sides of the longitudinal center portion. Further, the width of the guard body 32 in the longitudinal direction may have various dimensions depending on the location. For example, both side edges in the longitudinal direction of the guard body 32 may have a meandering shape.
The number of ribs constituting the second rib 35 is not particularly limited. Further, the second rib 35 may not be provided.
The number of ribs constituting the first rib 33 is not particularly limited. Further, the first rib 33 may not be provided.
-The thick part 37 of the both ends of the guard main body 32 should just be at least the both ends of the guard main body 32, and the thickness of the thick part 37 may continue to the direction of a longitudinal direction center part. Further, the thickness in the longitudinal direction of the guard body 32 is not particularly limited except for the thick portion 37.
-The attachment member 45 and the insertion member 46 which comprise the buckle 38 may be an integral member. For example, the insertion member 46 may not be configured to rotate with respect to the attachment member 45.
The frame attachment member 29 may be provided so as to protrude to the inside, that is, the seating portion 10 side.

The opening / closing step 17 of the rear leg frame 12 may not be particularly provided.
The locking member 26 of the rear leg frame 12 may not be particularly provided when there are other locking means.
-The footrest portion 13b may not be particularly provided. The front guard member 31 and the attaching / detaching portion 24 may protrude in the vertical direction instead of protruding toward the footrest portion 13b with respect to the vertical direction.
-The tip part of the attaching / detaching part 24 may not be located at the highest position in the folded stroller 1 as long as it is located at a high position.
The stroller 1 attached to the attachment / detachment portion 24 may not be located at the highest position as long as the longitudinal center portion of the front guard member 31 is located at a high position in the folded state.
-The handle 20 does not need to rotate in particular behind the stroller 1. Further, the handle 20 may be rotated in front of the stroller 1 so as to be able to face-to-face with the baby or the like of the seat 10. In the handle 20, the operation frame 22 may not rotate with respect to the extension frame 21. Further, the handle 20 may not be divided into the extension frame 21 and the operation frame 22.
The front guard member 31 may not be detachable from the frame attachment member 29. Further, at least one end of the front guard member 31 may be detachable from the frame attachment member 29. That is, both end portions of the front guard member 31 may be detachable from the frame mounting member 29.
The guard body 32 may be adjustable in its length.
As long as the guard body 32 has flexibility, the material is not particularly limited, and may be a knitted belt or the like.
If the front guard member 31 is positioned above the front wheel 11a and the rear wheel 12a and functions as a handle when folded, the folding structure of the stroller 1 is not particularly limited. Absent.

According to the embodiment and the modification thereof, the following technical idea is further derived.
(Supplementary Note 1) In the stroller, in a state where the stroller is folded, a tip end portion of the detachable portion is located at the highest position.
According to the said structure, it becomes easy to carry the baby stroller folded over the front guard member in the hand or over the shoulder.
(Supplementary note 2) In the stroller, in a state where the stroller is folded, the front leg frame, the rear leg frame, and the handle are close to each other, and the front leg frame, the rear leg frame, and the handle are separated from each other. And a lock member for restricting the rotation in the direction to perform.
According to the said structure, it can suppress that the baby stroller in the folded state expand | deploys at the time of carrying.
(Supplementary Note 3) In the stroller, the frame attachment member is located on the outermost side on both sides in a direction orthogonal to the front-rear direction of the seating portion.
According to the above configuration, since the frame mounting member is located on the outermost side in the left-right direction and does not protrude from the seating portion, the riding comfort in the seating portion can be improved.
(Appendix 4)
A front guard member that is disposed across the seating portion in front of the seating portion and is detachable from the stroller. The guard body is long and flexible, and is attached to each end of the guard body. The guard body includes a connection portion connected to the buckle at each end, and the buckle is continuous with the insertion port into which the connection portion is inserted, and the insertion port, A fixing portion to which the connection portion inserted from the insertion port is fixed, and a portion of the guard body adjacent to the base end of the connection portion is thicker than a central portion in the longitudinal direction of the guard body. A front guard member configured to have a thickness equal to a thickness of a portion of the insertion opening.
According to the above configuration, the thickness of the thick portion is made equal to the thickness of the attachment member of the buckle so that no step is formed between the surface of the buckle and the end of the guard body. Thereby, the touch of a front guard member can be improved.
(Appendix 5)
In the front guard member, the guard body includes a plurality of ribs extending in a short direction with respect to the longitudinal direction and parallel to each other in the longitudinal direction at a central portion in the longitudinal direction.
According to the said structure, it becomes easy to bend with respect to a longitudinal direction, it can bend according to the shape of a palm or a shoulder, and the burden to a palm or a shoulder can be reduced.
(Appendix 6)
In the front guard member, the guard body includes, at each end, a plurality of ribs extending in the longitudinal direction and parallel to each other in the short direction relative to the longitudinal direction.
According to the said structure, it becomes easy to twist in a transversal direction with respect to an attachment or detachment part, and when carrying with the hand of the folded stroller or the time of shoulder-mounting, the burden with respect to a shoulder or a palm can be reduced.

DESCRIPTION OF SYMBOLS 1 ... Stroller, 10 ... Seating part, 11 ... Front leg frame, 11a ... Front wheel, 12 ... Rear leg frame, 12a ... Rear wheel, 13 ... Seating frame, 13a ... Foot rest bar, 13b ... Foot rest part, 14 ... Front stay , 15 ... rear stay, 16 ... step, 17 ... opening / closing step, 18 ... side frame, 19 ... backrest frame, 19a ... vertical frame, 19b ... connecting frame, 19c ... headrest, 19d ... backrest portion, 20 ... handle , 21 ... Extension frame, 22 ... Operation frame, 22a ... Opening / closing lever, 23 ... Rotating support member, 23a ... Engaging recess, 24 ... Detachable part, 24a ... Removable port, 25 ... Operation opening part, 26 ... Lock member , 29 ... Frame mounting member, 31 ... Front guard member, 32 ... Guard body, 33 ... First rib, 34 ... Wide part, 35 ... Second rib, 36 ... Connection part, 37 ... Thickness 38 ... Buckle, 39 ... Connection piece, 41 ... Reinforcing piece, 42 ... Mounting hole, 43 ... Through hole, 44 ... Positioning protrusion, 45 ... Mounting member, 45a ... Insertion port, 45b ... Fixing part, 45c ... Fixing hole 45d: rotation support piece, 46 ... insertion member, 46a ... insertion portion, 46b ... lock portion, 46c ... rotation support portion, 46d ... rotation support hole, 47 ... rotation shaft member, 48 ... fixing member, 101 ... stroller, 111 ... front leg frame, 111a ... front wheel, 112 ... rear leg frame, 112a ... rear wheel, 113 ... seat plate member, 114 ... front stay, 115 ... rear stay, 116 ... armrest, 117 ... side frame, 118 ... handle, 120 ... cylindrical cover member.

Claims (9)

In a foldable stroller,
A pair of front leg frames on which the front wheels are arranged;
A pair of rear leg frames on which the rear wheels are arranged;
A seating part supported by the front leg frame and the rear leg frame;
A pair of frame mounting members on which the front leg frame and the rear leg frame are rotatably supported on both sides in a direction orthogonal to the front-rear direction of the seat portion;
A front guard member which is long and flexible, and each end is attached to each of the frame attachment members, and is disposed across the seating portion in front of the seating portion. With members,
In the state where the stroller is folded, the front guard member is located on the opposite side to the front wheel and the rear wheel and serves as a handle. The stroller according to claim 1, wherein at least one of the pair of frame attachment members includes an attachment / detachment portion that allows an end of the front guard member to be attached / detached. A handle attached to the frame attachment member;
The stroller according to claim 1 or 2, wherein the handle is rotatable rearward of the stroller in the frame attachment member. The stroller according to any one of claims 1 to 3, wherein a center portion in a longitudinal direction of the front guard member is positioned at a highest position in a state where the stroller is folded. A footrest part is further provided in front of the seating part,
The stroller according to any one of claims 1 to 4, wherein the front guard member is inclined to the footrest portion side with respect to a vertical direction in a state where the stroller is folded. The stroller according to any one of claims 1 to 5, wherein an opening / closing step is disposed on the rear leg frame above the rear wheel. The front guard member is
A long and flexible guard body;
A buckle attached to each end of the guard body and attached to and detached from the attaching / detaching portion;
The guard body includes a connection portion connected to the buckle at each end,
The buckle has an insertion slot into which the connecting portion is inserted;
A fixing portion that is continuous with the insertion port and to which the connection portion inserted from the insertion port is fixed;
The portion adjacent to the base end of the connection part in the guard body includes a thick part thicker than the center part in the longitudinal direction of the guard body,
The stroller according to claim 2, wherein the thick portion is configured so that the thickness of the thick portion is equal to the thickness of the portion of the insertion opening. The stroller according to claim 7, wherein the guard body includes a wide portion that is wider at a central portion in the longitudinal direction than in both sides of the central portion in a short direction. The connecting portion includes a pair of connecting pieces spaced apart in the thickness direction,
The connection portion is inserted into the fixing portion from the insertion port in a state where a reinforcing piece is sandwiched between the pair of connection pieces,
The stroller according to claim 7 or 8, wherein the fixing portion is fixed to the buckle by a fixing member.