JP2018202982A - Baby carriage - Google Patents

Abstract

To provide a baby carriage configured such that a portion of a cushion part is removable.SOLUTION: The present invention includes a seating plate member, a back pad part arranged at a rear side of the seating plate member, and a cushion part arranged at the seating plate member and the back pad part. The back pad part includes a back part frame 27 and a base seat 41 provided to extend on the back part frame 27. The cushion part includes right and left vertically-extending side portions extending with respect to the base seat 41 in an up-down direction of the base seat 41, a head part base seat 46 arranged at an upper portion of the base seat 41, and a linear fastener adapted to attach the head part base seat 46 to the base seat 41 so that the head part base seat is detachable. Further, the present invention includes a seating part base seat 51 arranged on the seating plate member and a second attachment part adapted to attach the seating part base seat 51 to a lower portion of the base seat 41 so that the seating part base seat is detachable.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a stroller provided with a cushion portion from a seat portion to a backrest portion.

  As in Patent Document 1, the baby stroller is provided with a cushion in the riding portion from the seat portion to the backrest portion. The cushion includes a seat cushion part, a back pad cushion part, and a head cushion part disposed around the back pad part to protect the head, and these cushion parts are provided integrally. The cushion is detachably attached to the base member of the seat portion so as to be washable (see Patent Document 1).

Japanese Utility Model Publication No. 63-75467

  By the way, the head cushion portion is easily soiled with saliva, runny nose and the like from the mouth and nose near the head of the infant. Further, the seat cushion portion is easily soiled by infant excrement, food waste, dirt, and the like. As described above, the cushion is different in the degree of dirt and the degree of dirt depending on the place.

  When the cushion extending from the seat portion to the backrest portion is integral, the cushion itself is large, and since it is attached to the base member or the like at a plurality of locations, the removal is a difficult operation. Nevertheless, when cleaning is performed, it is necessary to remove the cushion from the base member or the like. Further, the head cushion portion and the like have a large amount of cushioning material and the like, are difficult to dry, and the drying time is longer than other portions. For this reason, a stroller is desired that can be easily cleaned by removing only the dirty portion of the cushion portion.

  This invention is made | formed in view of the above subjects, and it aims at providing the stroller which made the cushion part removable partially.

  The stroller that solves the above-described problems includes a seat plate member, a back support portion that is disposed behind the seat plate member, and a cushion portion that is disposed on the seat plate member and the back support portion. The back support portion includes a back support frame and a base sheet that is stretched over the back support frame. The cushion part is formed with respect to the base sheet, left and right vertical side parts extending in the vertical direction of the base sheet, a head base sheet disposed on the base sheet, and the base sheet. And an attachment portion for detachably attaching the head base sheet.

  According to the above configuration, since the head base sheet can be attached to and detached from the base sheet, the head base sheet can be used as a base even when the head base sheet is contaminated with saliva or runny nose from the mouth and nose. It can be removed from the sheet and cleaned.

  In the stroller, the attachment portion may be a first attachment portion, and the cushion portion may further include a seat portion base sheet disposed on the seat plate member, and the seat portion with respect to a lower portion of the base sheet. It is good also as a structure provided with the 2nd attachment part which attaches a base sheet so that attachment or detachment is possible.

  According to the above configuration, since the seat base sheet can be attached to and detached from the base sheet, the seat base sheet can be used even when the seat base sheet is soiled by infant excrement, food, or dirt. It can be removed from the sheet and cleaned.

  In the stroller, the attachment portion is a wire fastener, and the wire fastener includes a first engagement tooth provided in the base sheet, and a second engagement tooth provided in the head base sheet and meshing with the first engagement tooth. It is good also as a structure provided with the service tooth and the slider which moves along the 1st service tooth and the 2nd service tooth, and opens and closes the 1st service tooth and the 2nd service tooth. Furthermore, the said base sheet is provided with the flexible part extended inward from the outer peripheral part of the said base sheet, and the said 1st service tooth is provided in the front-end | tip part of the said flexible part. Also good. The slider includes a body part that opens and closes the first service tooth and the second service tooth, and a handle that operates the body part. The body portion may be configured such that the handle is directed to the outside opposite to the riding portion.

  According to the said structure, a base sheet and a head base sheet can be attached or detached by the wire fastener 47 as a 1st attaching part. Therefore, the attachment and detachment of the base sheet and the head base sheet can be realized with a simple configuration. Also, the attaching / detaching work can be simplified. In the base sheet, since the first engagement teeth are provided at the distal end of the flexible portion, the first engagement tooth is released from the base sheet, and the wire fastener can be easily operated. In addition, it is possible to prevent the handle and the protruding shape from coming into contact with an infant on board.

The said stroller WHEREIN: The said head base sheet | seat is good also as a structure provided with the cover part which covers the said edge part in the position corresponding to at least one edge part of the closed end part and open end part of the said slider.
According to the above configuration, the closed end portion and the open end portion of the wire fastener are covered with the cover portion, so that it is possible to prevent the closed end portion and the open end portion from directly touching the infant on board.

In the stroller, the attachment portion may include an opening preventing member that prevents the slider from moving in the opening direction when the wire fastener is in a closed state.
According to the above configuration, the slider can be prevented from moving in the opening direction by the opening preventing member.

  In the stroller, the stroller further includes a headrest that is rotatably supported with respect to the backrest portion, and a distal end portion that is swingably supported at both ends of the headrest, and a base end portion that is It is good also as a structure provided with a pair of side plate rotatably supported by the flame | frame of the said stroller by the axial part. In this case, the head base sheet may include a bag-like portion that covers the headrest and the pair of side plates.

  According to the above configuration, the head base sheet covers the headrest and the side plate with the bag-shaped portion. Therefore, the head base sheet can alleviate the impact on the head and upper body of the infant on board, and can prevent the headrest and the side plate from directly touching the infant.

  In the stroller, the stroller further includes a headrest that is rotatably supported with respect to the backrest portion, and a distal end portion that is swingably supported at both ends of the headrest, and a base end portion that is It is good also as a structure provided with a pair of side plate rotatably supported by the flame | frame of the said stroller by the axial part. In this case, the said seat part base sheet | seat is good also as a structure provided with the 3rd attaching part which attaches the said seat part base sheet | seat so that it may engage with the said axial part.

  According to the above configuration, the seat base sheet 51 can be held on the seat plate member not only by the second mounting portion but also by the third mounting portion.

  A stroller that solves the problems as described above includes a seat plate member, a back support portion that is disposed rearward in the front-rear direction of the seat plate member, and a cushion portion that is disposed on the seat plate member and the back support portion. Is provided. The back support portion includes a back support frame and a base sheet that is stretched over the back support frame. The cushion portion includes a seat base sheet disposed on the seat plate member, and an attachment portion that detachably attaches the seat base sheet to a lower portion of the base sheet.

  According to the above configuration, since the seat base sheet can be attached to and detached from the base sheet, the seat base sheet can be used even when the seat base sheet is soiled by infant excrement, food, or dirt. It can be removed from the sheet and cleaned.

  The present invention can provide a stroller in which the cushion portion is partially removable.

The perspective view which shows the unfolded state of the stroller which attached the cushion part and the hood to the frame. The perspective view which shows the expansion | deployment state of the baby stroller which removed the cushion part and the top. (A) is a front view which shows the relationship between a base sheet and a seat board member, a headrest, and a side plate, (b) is sectional drawing of the outer peripheral part of a base sheet, (c) is a front view of a head base sheet. (D) is a front view of a seat base sheet. The front view of a head base sheet. The front view of a seat base sheet. (A) And (b) is a principal part front view which shows the relationship between a base sheet, a head base sheet, a seat part base sheet, and a surface sheet. The side view which shows the back pushing position and the facing pushing position of a handle | steering-wheel. The principal part rear view which shows the state which removes a head base sheet from a headrest. The principal part perspective view which shows the state which removes a head base sheet | seat from a side plate. (A) is a front view which shows the state which removes a head base sheet, (b) is an enlarged view of (a) which shows the state which starts operation which opens a line fastener. The principal part perspective view which shows the operation direction which moves a wire fastener to an opening direction, and the state from which the head base sheet was removed from the base sheet. (A) is a principal part perspective view which shows the state in which the head base sheet is removed from the base sheet, (b) shows the initial position of the slider when moving the wire fastener in the closing direction. Enlarged view. (A) is a front view which shows the state which has arrange | positioned the head base sheet | seat in the back support part, (b) is an enlarged view of (a) which shows the state which combines the butterfly pin of a wire fastener with a slider and a box. The principal part perspective view which shows the movement to the closing direction of a slider. (A) is a front view which shows the state by which the head base sheet was attached to the base sheet by the line fastener, (b) is an enlarged view of (a) which shows the state which closed the line fastener. The principal part perspective view which shows the state which attaches a head base sheet | seat to a side plate. The principal part front view which shows the positional relationship with a head base sheet, a side plate, and the side surface sheet | seat part of a seat part base sheet. The principal part rear view which shows the state which attaches a head base sheet | seat to a headrest. (A) is a principal part perspective view which shows the relationship between a seat part base sheet and the axial part of a side plate, (b) is an expansion which shows the state where the attachment piece located in the circumference | surroundings of an axial part was connected with the stopper. FIG. 4C is an enlarged view showing a state in which the stopper is removed. The principal part perspective view which shows the state which removes a seat base sheet from a seat board member.

Hereinafter, a stroller to which the present invention is applied will be described with reference to FIGS.
FIG. 1 shows a single-seat folding baby stroller 1 for carrying an infant or the like, which is used in a posture in which an infant or the like is laid down or seated. Moreover, FIG. 1 has shown the state which attached cushion parts, such as a base sheet, and a hood to the flame | frame. FIG. 2 shows a state where the cushion and the hood are removed from the frame. The state of the stroller 1 shown in FIGS. 1 and 2 shows a state in which the handle is positioned behind the stroller and the back is pushed to operate the stroller 1 from the back. In the following explanation, the direction of travel is defined as “front”, the direction opposite to the direction of travel is defined as the back (back), and the left and right direction is defined as left and right with respect to the direction of travel. The (width) direction is defined, and the vertical direction with respect to the traveling direction is defined as vertical.

  As shown in FIGS. 1 and 2, the stroller 1 includes a pair of front leg frames 11, a pair of rear leg frames 12, and a seat plate as a seat portion on which an infant or the like is laid down or seated. And a member 13. Each front leg frame 11 has a linear shape, and a front wheel 11a with casters is disposed at the lower end thereof. Each rear leg frame 12 has an L shape, and a rear wheel 12a with casters is disposed at the lower end thereof. 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, the armrest 17 is rotatably supported at the upper end portion. The pair of rear leg frames 12 are also supported at their upper ends so that the armrest 17 can rotate. The seat plate member 13 is disposed between the pair of front leg frames 11 and the pair of rear leg frames 12 and at an intermediate position between the front wheels 11 a and the rear wheels 12 a and the armrest 17. Specifically, a side frame 18 is disposed between the front leg frame 11 and the rear leg frame 12 in the front-rear direction. The seat plate member 13 is supported so that the left and right side edges can be elastically displaced with respect to the side frame 18.

  Each side frame 18 has an L-shape, and the front end portion is supported so as to be rotatable in the middle in the longitudinal direction of the front leg frame 11. A connecting frame 19 and a connecting member 21 are interposed between the side frame 18 and the rear leg frame 12. The connection frame 19 is a straight pipe. The rear end portion of the side frame 18 is positioned above the front end portion, and the lower end portion of the connection frame 19 is supported rotatably. The connecting member 21 is an L-shaped member, and one end of the connecting member 21 is rotatably supported by a middle bent portion of the rear leg frame 12. The other end of the connecting member 21 is rotatably supported by the lower end of the connecting frame 19.

A front guard 22 is detachably attached to the tip of the armrest 17.
A handle 23 for pushing and operating the stroller 1 is disposed on the outer side of each connecting member 21. The handle 23 as a whole has a U shape and is located outside the connecting member 21. An open / close lock lever 24 that is operated by an operator is disposed at the center of a horizontal frame 23b that extends horizontally in the handle 23.

  In the width direction of the stroller 1, a vertical frame 23 a, a connecting member 21, a connecting frame 19, and a side frame 18 that extend vertically from the outside toward the inside are arranged. The vertical frame 23 a of the handle 23, the other end of the connecting member 21, the lower end of the connecting frame 19, and the rear end of the side frame 18 are rotatably supported by the same rotating shaft 25. The handle 23 rotates about the rotation shaft 25 between two positions, a back pushing position behind the stroller 1 and a facing pushing position ahead of the stroller 1 (in the direction of arrow D1). Further, the stroller 1 is in an unfolded state by rotating the vertical frame 23a, the connecting member 21, the connecting frame 19, and the side frame 18 that extend in the vertical direction of the handle 23 around the rotating shaft 25. And transition to the folded state.

  A back frame 27 is rotatably attached to the rear end portion of the seat plate member 13. The back support frame 27 has a U shape, and each end is rotatably supported by the rear end of the seat plate member 13. A headrest 28 having a rectangular shape and protecting the head of an infant or the like is attached to the horizontal frame portion 27 a of the back support frame 27 so as to be rotatable in the front-rear direction of the stroller 1. In addition, a pair of side plates 29 protecting the side portions of the infants and the like seated on the seat plate member 13 can be rotated by the shaft portion 29a on the inner side surface of the connecting frame 19 below the pivot point of the armrest 17. It is connected to. The front end portions of the pair of side plates 29 on the headrest 28 side are swingably supported at both end portions in the width direction of the headrest 28.

  When the backrest frame 27 is rotated in the direction to lie down, the headrest 28 is rotated so as to stand up with respect to the backrest frame 27, and the head of an infant or the like in a state where the reclining is laid can be protected. . On the other hand, when the backrest frame 27 is rotated in the direction in which the backrest frame 27 is raised and the reclining is raised, the headrest 28 is substantially flush with the backrest frame 27 and opens the upper portion of the backrest frame 27.

  The vertical frame 23a of the handle 23 is provided with a switching operation member 32 that locks the handle 23 in the back pushing position and the face pushing position. In the stroller 1, the back support frame 27 includes a back support portion, the seat plate member 13 includes a seat portion, and an infant rides at a position extending between the seat portion and the back support portion. It becomes a riding part to do. For this reason, the cushion part which relieve | moderates the vibration with respect to the infant to board is provided in the position over a seat part and a backrest part.

  FIGS. 3A, 3C, and 3D are diagrams showing the configuration of the cushion portion. As shown in FIG. 3A, a base sheet 41 is stretched around the back support frame 27. Then, the base sheet 41 is stretched around the back support frame 27 to form a back support part. The base sheet 41 includes a main seat portion 41a located in an area above the seat plate member 13 and surrounded by the backrest frame 27, and an edge member 41b provided at an edge of the main seat portion 41a. As the main sheet portion 41a, a stretchable sheet is used. As an example, a mesh sheet excellent in stretchability and air permeability is used. The main seat portion 41 a includes a first shoulder belt adjustment slit 44 for pulling out the shoulder belt 43. The first shoulder belt adjustment slit 44 has a plurality of stages, here three stages. The first shoulder belt adjustment slit 44 can adjust the pulling position of the shoulder belt 43 by selecting one from a plurality of stages according to the growth of the infant.

  As shown in FIG. 3 (b), the edge member 41b is a belt-like member for attaching the main seat portion 41a to the back support frame 27, and is folded in half between the two pieces. The edge portion of the main sheet portion 41a is inserted, and the edge portion of the main sheet portion 41a is sewn at the sewing portion 41c between the two pieces. A portion of the edge member 41b that is located on the surface on which the infant rides is a flexible portion 42 that is free from the main seat portion 41a. The flexible portion 42 is a portion ahead of the seam in which the edge portion of the main sheet portion 41a is sewn between two pieces, and is composed of an upper edge portion of the backrest portion and a pair of side edge portions extending vertically. Extending from the outer periphery to the inside. The flexible part 42 has an inverted U shape with the seat plate member 13 side as an open end, and a head base sheet 46 is detachably attached to the tip part.

  As shown in FIG. 3C, the head base sheet 46 has an inverted U shape with the lower side as an open end, and the inner end of the U shape has a flexible portion 42. It is attached to the front-end | tip part of detachable. The head base sheet 46 is disposed on the left and right vertical sides extending in the vertical direction of the base sheet 41 and on the upper part of the base sheet 41 so as to surround the upper body from the head of the infant on board. The head base sheet 46 is filled with a cushioning material such as a nonwoven fabric in which fibers such as natural fibers and synthetic fibers are entangled, and is bulged with respect to the sheet-like base sheet 41 to become a bulky portion. The head base sheet 46 protects the upper body from the infant's head. The head base sheet 46 covers the headrest 28 and the side plate 29 so that the infant and the headrest 28 and the side plate 29 are not in direct contact with each other.

  As shown in FIG. 3D, a seat base sheet 51 is disposed on the seat plate member 13. The seat base sheet 51 is located on the seat plate member 13 and serves as a cushion for a seated portion of the infant. The seat base sheet 51 extends to the inside of the armrest 17 so that an infant in a lying or sitting position and the armrest 17, the front leg frame 11, the rear leg frame 12, and the like are not in direct contact with each other. The seat base sheet 51 is also filled with the cushioning material, but is not filled with the cushioning material as much as the head base sheet 46 and is thin.

  As shown in FIG. 4, the head base sheet 46 includes a pair of longitudinally extending portions 46 a that extend vertically from side to side and a laterally extending portion 46 b that connects one end portions of the pair of vertically extending portions 46 a, Has an inverted U-shape. The cushion material is filled in the pair of longitudinally extending portions 46a and laterally extending portions 46b. The U-shaped inner side of the head base sheet 46 and the distal end portion of the flexible portion 42 are detachably attached by a line fastener 47 as a first attachment portion.

  As shown in FIG. 4, the wire fastener 47 includes a first engagement tooth 47a, a second engagement tooth 47b, and a slider 47c. The first engagement tooth 47a is provided at the tip of the flexible portion 42, and a slider 47c is attached to the first engagement tooth 47a. The second service teeth 47 b that mesh with the first service teeth 47 a are provided at the inner end of the U-shaped portion of the head base sheet 46. The slider 47c includes a body portion 47d. The body portion 47d includes a handle 47e. The body portion 47d has a protruding shape 47f on the surface on which the handle 47e is provided, and the opposite surface is a substantially flat surface. The line fastener 47 is provided so that the substantially flat surface of the slider 47c faces the side on which the infant rides. In other words, the surface having the protruding shape 47 f of the slider 47 c faces the outside of the stroller 1.

  The line fastener 47 is an open end portion in which the right end portion in the figure is a bottom stop portion. Therefore, the lower stop portion of the second engagement tooth 47b provided in the head base sheet 46 includes a butterfly stick, and the lower stop portion of the first engagement tooth 47a provided in the base sheet 41 is a box in which the butterfly stick is combined. It has. Further, the left end portion in the drawing is a closed end portion that becomes an upper stopper portion, and the first engagement tooth 47a and the second engagement tooth 47b are provided with an upper stopper at the portion.

  In the head base sheet 46, each end portion of the second engagement tooth 47b in the moving direction of the slider 47c is provided with a cover portion 48 covering the open end portion and the closed end portion, and the open end portion and the closed end portion are directly provided to the infant. I try not to touch it. In particular, the slider 47c is positioned at the closed end in a state where the head base sheet 46 is attached to the base sheet 41, and the cover portion 48 at the closed end covers the slider 47c. The cover portion 48 has a bag shape that is integrally sewn to the head base sheet 46, and has a size sufficient to cover each of the open end portion and the closed end portion.

  The pair of longitudinally extending portions 46a and laterally extending portions 46b are provided with a bag-like portion 49 on the outer surface opposite to the surface in contact with the infant, that is, the surface on the headrest 28 and side plate 29 side. The bag-like portion 49 has an open end on the lower side. In the bag-like portion 49, the side plate 29 is inserted in the portion of the longitudinally extending portion 46a, and the headrest 28 is inserted in the portion of the laterally extending portion 46b. The head base sheet 46 is attached to the base sheet 41 by a line fastener 47 and is also supported by a pair of longitudinally extending portions 46a and laterally extending portions 46b. When the head base seat 46 is attached to the headrest 28 and the side plate 29, the cushion portion is positioned on the riding portion side in the backrest portion.

  As shown in FIG. 5, the seat base sheet 51 can be bent with respect to the seat surface sheet portion 51 a on the left and right sides of the seat surface sheet portion 51 a disposed on the seat plate member 13. And a pair of side sheet portions 51b. A bent portion 51c extending in the front-rear direction is formed between the seat surface seat portion 51a and the side surface seat portion 51b. As an example, the bent portion 51c is formed by a seam that divides the seat surface sheet portion 51a and the side surface sheet portion 51b. The seat surface sheet portion 51a and the pair of side surface sheet portions 51b are also filled with a cushion material such as a nonwoven fabric in which fibers are intertwined. However, the seat surface sheet portion 51a does not swell as much as the head base sheet 46, and has a flat plate shape. The seating surface portion 51a may be configured to improve sitting comfort by using functional materials such as air permeability and heat retention depending on the season. Moreover, it can also be set as the structure which improves cushioning property, such as increasing a cushioning material, and improves sitting comfort.

  Further, the side sheet portion 51b is thicker than the seat surface sheet portion 51a and is configured to have elasticity. The seat surface sheet portion 51 a includes a first crotch belt slit 52 a for pulling out the crotch belt 52 attached to the seat plate member 13. The seat surface sheet portion 51 a includes a connection end portion 53 at an end portion of the backrest portion on the side close to the lower portion of the base sheet 41. The connection end portion 53 includes a surface fastener 54a as a second attachment portion on the back surface in contact with the seat plate member 13. The surface of the lower end portion of the base sheet 41 includes a surface fastener 54b that forms a pair with the surface fastener 54a. By joining the surface fasteners 54a and 54b, the lower end portion of the base sheet 41 and the seat base sheet 51 become a series.

  A pair of side surface sheet | seat parts 51b are provided with the attaching part 55 as a 3rd attaching part in the edge part by the side of a backrest part. The attachment portion 55 includes two attachment pieces 55 a and 55 b through a notch 56. Further, the attachment portion 55 includes a hole portion 56 a in which the shaft portion 29 a is located continuously from the notch 56. The two attachment pieces 55a and 55b are provided with a stopper 56b. As an example, the stopper 56b is a hook button. In the stopper 56b, a male member is provided on one attachment piece 55a, and a female member is provided on the other attachment piece 55b. The attachment pieces 55a and 55b are inserted around the shaft portion 29a between the connection frame 19 and the side plate 29 and connected by a stopper 56b. Thereby, a pair of side surface sheet | seat part 51b is engaged with the axial part 29a (refer FIG. 2).

  When the infant gets on the seat base sheet 51, force is applied in a direction deviating forward, but the seat surface sheet portion 51a is attached to the lower end portion of the base sheet 41 with the hook-and-loop fasteners 54a and 54b, and a pair of side sheet portions. When 51b is engaged with the shaft portion 29a by the mounting portion 55, forward movement can be suppressed.

  As shown in FIG. 6A and FIG. 6B, the head base sheet 46 is disposed on the outer periphery of the base sheet 41 that constitutes the back rest part constituted by the back rest frame 27. Further, the seat base sheet 51 is disposed on the seat configured by the seat plate member 13. Then, after attaching the head base sheet 46 and the seat base sheet 51 to the base sheet 41, the top sheet 61 is further attached. The top sheet 61 is a rectangular sheet whose longitudinal direction is the front-rear direction of the stroller 1, and is disposed on the base sheet 41 and the seat base sheet 51, and the base sheet 41 and the seat base sheet 51 are soiled. And improve sitting comfort. When the surface sheet 61 becomes dirty, it can be removed from the base sheet 41 and the seat base sheet 51 and cleaned.

  The top sheet 61 includes a second shoulder belt adjustment slit 62 at a position corresponding to the first shoulder belt adjustment slit 44 of the base sheet 41. Further, a second crotch belt slit 63 is provided at a position corresponding to the first crotch belt slit 52 a of the seat base sheet 51. The surface sheet 61 includes a bent portion 64 at a boundary position between the base sheet 41 and the seat base sheet 51.

  The top sheet 61 includes a pair of first belts 66 at the upper end. The first belt 66 is inserted into an insertion hole formed in the upper end portion of the base sheet 41 and is fixed to the backrest frame 27. The topsheet 61 includes a second belt 67 that extends to the left and right. The second belt 67 is provided with a stopper 67a at the tip, and is rotated behind the back pad and stopped by the stopper 67a.

  The top sheet 61 is a reversible sheet, and includes a first surface and a second surface, and any one of the first surface and the second surface can be an upper surface. As an example, the first surface and the second surface have different colors and are given different designs. Further, the first surface and the second surface may be different materials as an example. For example, the first surface is a functional material suitable for summer seasons that has functions such as mesh material, quick drying of water, and cool contact, and the second surface is a brushed material, knit material, heat retention, heat generation, far-infrared radiation, heat storage, etc. It is good also as a functional material suitable for the winter season which has the function. The cushion material may be filled in the top sheet 61 as well.

Next, as an operation of the stroller 1, a method for removing and attaching the head base sheet 46, and a method for removing and attaching the seat base sheet 51 will be described.
First, a method for removing the head base sheet 46 will be described.

  As shown in FIG. 7, first, the switching operation member 32 is operated to unlock the handle 23, and the handle 23 is rotated from the back pushing position to the facing pushing position (arrow D1 direction). In addition, when the handle | steering-wheel 23 is located in the right side in a figure, it is a back surface pushing position (dotted line position), and when the handle | steering-wheel 23 is located in the left side is a facing pushing position (solid line position). Further, the back support frame 27 constituting the back support portion is rotated in the direction in which it rises most (arrow D2 direction), and the head base sheet 46 is positioned at a relatively high position (solid line position in the figure). As a result, the handle 23 is separated from the head base sheet 46, the position of the head base sheet 46 is increased, and the head base sheet 46 is easily removed. Specifically, when the backrest frame 27 is rotated in the most rising direction, the headrest 28 becomes substantially flush with the backrest frame 27 and opens the upper portion of the backrest frame 27. When the upper part is opened, the line fastener 47 can be easily opened and the bag-like portion 49 of the laterally extending portion 46b can be easily removed from the headrest 28.

  Next, as shown in FIG. 8, a bag-like portion 49 of the laterally extending portion 46 b from the hook-and-loop fastener 71 disposed on the back surface of the backrest portion (the bag-like portion 49 also has a pair of hook-and-loop fasteners. And the bag-like portion 49 is turned up from the headrest 28 (in the direction of arrow D3). The surface fastener 71 is provided on the back surface side of the edge member 41 b of the base sheet 41. Next, as shown in FIG. 9, the bag-like portion 49 of the vertically extending portion 46a is turned up from the side plate 29 (in the direction of arrow D4). When the bag-like portion 49 is completely turned from the headrest 28 to the side plate 29, the head base sheet 46 is brought down inside the backrest portion and placed on the backrest portion. Thereby, the flexible part 42, the slider 47c of the line fastener 47, etc. are exposed, and it can be set as the state which can perform the removal operation | work of the head base sheet | seat 46 easily.

  As shown in FIGS. 10A and 10B, the line fastener 47 has a slider 47c positioned at the closed end (the end of the line fastener 47 on the left side in the drawing), and the first fastener 47a and the first fastener 47a. The closed state is engaged with the second engagement tooth 47b. Therefore, first, the vertically extending portion 46a removed from the side plate 29 is tilted toward the riding portion side of the backrest portion (in the direction of arrow D5). Next, the cover portion 48 is removed so that the line fastener 47 is exposed, and the slider 47c, the handle 47e, and the like are exposed (in the direction of arrow D6). The handle 47e may further include a cloth tag or the like for improving operability.

  On the flexible portion 42 and the head base sheet 46, male and female hook-and-loop fasteners 72a and 72b are arranged at positions close to each other. In the state where the surface fasteners 72a and 72b are joined, the slider 47c located at the closed end is pressed down to prevent the slider 47c from moving in the opening direction. By pulling the surface fasteners 72a and 72b away from each other (in the direction of arrow D7), the slider 47c can be moved in the opening direction. Then, the slider 47c is moved in the opening direction (arrow D8 direction) with the handle 47e.

  As shown in FIGS. 10 and 11, the slider 47c is moved from the closed end portion to the open end portion (the end portion of the line fastener 47 on the lower right side in the figure), and the butterfly pin on the second engagement tooth 47b side is moved to the first engagement portion. Remove from the box on the tooth 47a side. Thereby, the head base sheet 46 can be removed from the base sheet 41 (in the direction of arrow D9). Only the head base sheet 46 can be washed with a washing machine or the like.

Next, an attachment method for attaching the head base sheet 46 to the base sheet 41 will be described.
As shown in FIGS. 12A and 12B, the slider 47c is moved to the open end (arrow D8 direction). As shown in FIGS. 13A and 13B, the butterfly pin 47g on the second engagement tooth 47b side of the head base sheet 46 is combined with the slider 47c and the box 47h on the first engagement tooth 47a side (arrows). D10 direction). And the open end part of the line fastener 47 is coat | covered with the cover part 48 of the head base sheet 46 (arrow D11 direction).

  As shown in FIG. 14, thereafter, the slider 47c is moved to the end in the direction of the closed end (direction of arrow D12). Thereby, the head base sheet 46 is attached to the flexible portion 42 of the base sheet 41. As shown in FIG. 15A and FIG. 15B, when the slider 47c is moved to the closed end portion, the hook and loop fasteners 72a and 72b as the retaining members in the flexible portion 42 and the head base sheet 46 are provided. Are moved in a direction close to each other (arrow D13 direction) to join the surface fasteners 72a and 72b. As a result, the slider 47c is pressed by the surface fasteners 72a and 72b, and is prevented from moving in the opening direction (arrow D8 direction). Thereafter, the closed end portion of the line fastener 47 and the slider 47c are covered by the cover portion 48 of the head base sheet 46 (in the direction of arrow D14).

  As shown in FIG. 16, when the head base sheet 46 is attached to the flexible portion 42 of the base sheet 41 with the wire fastener 47, the bag-like portion 49 of the head base sheet 46 is covered with the side plate 29 ( Arrow D15 direction). At this time, as shown in FIG. 17, the side surface sheet portion 51 b of the seat base sheet 51 is not covered. This is so as not to hinder the rotation of the backrest. Next, as shown in FIG. 18, the head base sheet 46 is placed on the headrest 28 (in the direction of arrow D16). And the head base sheet | seat 46 is fixed with respect to the surface fastener 71 of the back surface of a backrest part. As a result, the head base sheet 46 is attached only to the back support part, and the back support frame 27 of the back support part is attached to the seat plate member 13 even when the head base sheet 46 is attached. Smoothly rotates.

Next, a method for removing the seat base sheet 51 will be described.
The removal of the seat base sheet 51 is performed with the head base sheet 46 removed. Then, when removing the seat base sheet 51, the handle 23 is rotated in the direction of arrow D17 and moved from the facing pressing position (solid line position) to the back pressing position (dotted line position) (see FIG. 7). Further, the back support frame 27 is rotated in the direction of the most laid arrow D18. As a result, the handle 23 does not exist on the seat base sheet 51, and the seat base and the back rest part are opened widely, so that the seat base sheet 51 can be easily removed.

  As shown in FIG. 19A, the attachment pieces 55a and 55b are connected by the stopper 56b between the connection frame 19 and the side plate 29 and around the shaft portion 29a. The periphery of the shaft portion 29a of the side plate 29 is exposed when the head base sheet 46 is removed. As shown in FIG. 19B, the mounting pieces 55a and 55b are moved to a place where the work for removing the stopper 56b can be easily performed, and as shown in FIG. 19C, the stoppers 56b of the mounting pieces 55a and 55b. Is removed (in the direction of arrow D19). As a result, the attachment pieces 55 a and 55 b are pulled out from between the connection frame 19 and the side plate 29.

  As shown in FIG. 20, the seat surface sheet portion 51 a is then peeled off from the surface fastener 54 b whose surface fastener 54 a on the back surface is disposed on the lower end surface of the base sheet 41. Further, the crotch belt 52 is removed from the first crotch belt slit 52a. Thereby, only the seat part base sheet 51 can be removed from the seat board member 13 (arrow D20 direction), and it can wash | clean with a washing machine etc.

  Next, a method for attaching the seat base sheet 51 will be described. The seat base sheet 51 is placed on the seat plate member 13, and the crotch belt 52 is pulled out from the first crotch belt slit 52a. Further, the back surface fastener 54 a of the seat surface sheet portion 51 a is joined to the surface fastener 54 b of the base sheet 41. Further, the attachment pieces 55a and 55b are connected by the stopper 56b between the connection frame 19 and the side plate 29 and around the shaft portion 29a.

According to the stroller 1 as described above, the effects listed below can be obtained.
(1) Since the head base sheet 46 can be attached to and detached from the base sheet 41, the stroller 1 can be used even when the head base sheet 46 is contaminated with saliva, runny nose and the like from the mouth and nose. The base sheet 46 can be removed from the base sheet 41 and cleaned.

  (2) Since the seat base sheet 51 can be attached to and detached from the base sheet 41, the baby stroller 1 can also be used when the seat base sheet 51 is soiled by infant excrement, food waste, or dirt. The base sheet 51 can be removed from the base sheet 41 and cleaned.

  (3) The base sheet 41 and the head base sheet 46 can be attached and detached by a line fastener 47 as a first attachment portion. Therefore, the attachment and detachment of the base sheet 41 and the head base sheet 46 can be realized with a simple configuration. Also, the attaching / detaching work can be simplified. In the base sheet 41, since the first engagement teeth 47a are provided at the distal end portion of the flexible portion 42, the position of the line fastener 47 is separated from the vertical side portion of the main seat portion 41a and the backrest portion, The fastener 47 can be easily operated.

  (4) In the line fastener 47, the body portion 47d of the slider 47c is provided such that the protruding shape 47f on the surface on which the handle 47e is provided faces the outside opposite to the seat portion. Accordingly, it is possible to prevent the pulling hand 47e and the protruding shape 47f from coming into contact with the infant on board. In other words, the surface that touches the infant on board can be a substantially flat surface of the torso portion 47d, so that the baby can be less irritating.

  (5) The head base sheet 46 includes the cover portion 48 that covers the closed end portion and the open end portion of the wire fastener 47, thereby preventing the closed end portion and the open end portion from directly touching the infant on board. Can do.

  (6) When the line fastener 47 is in the closed state, surface fasteners 72a and 72b are provided as an opening preventing member that prevents the slider 47c from moving in the opening direction. Therefore, the slider 47c can be prevented from moving in the opening direction.

  (7) The head base sheet 46 covers the headrest 28 and the side plate 29 with the bag-like portion 49. Therefore, the head base sheet 46 can alleviate the impact on the head and upper body of the infant on board, and can prevent the headrest 28 and the side plate 29 from directly touching the infant. Further, the head base sheet 46 can be supported by the headrest 28 and the side plate 29 in addition to being attached to the base sheet 41 by the line fastener 47.

  (8) The seat base sheet 51 can be detachably attached to the base sheet 41 by hook and loop fasteners 54a and 54b as second attachment parts. Therefore, the base sheet 41 and the seat base sheet 51 can be attached and detached with a simple configuration. Also, the attaching / detaching work can be simplified.

  (9) The seat base sheet 51 can be attached so that the seat base sheet 51 is engaged with the shaft portion 29a by attachment pieces 55a and 55b as third attachment portions. Therefore, the seat base sheet 51 can be held on the seat plate member 13 not only by the hook-and-loop fasteners 54a and 54b but also by the mounting pieces 55a and 55b.

The stroller 1 may be modified as follows.
The seat base sheet 51 may omit the mounting pieces 55a and 55b and the stopper 56b as the third mounting portion. The stopper 56b may be a hook-and-loop fastener, or a means other than a hook button or a hook-and-loop fastener. For example, you may make it tie the string member extended from a pair of side sheet | seat part 51b to the axial part 29a.

The second attachment portion may have a configuration other than the hook-and-loop fasteners 54a and 54b. As an example, a hook button may be used.
The head base sheet 46 may not include the bag-like portion 49. As an example, the head base sheet 46 may be attached to the side plate 29 from the headrest 28 by a hook-and-loop fastener or a hook button.

-Means other than the hook-and-loop fasteners 72a and 72b may be used as the stopper member. As an example, when the slider 47c is a lock type, the locking member can be a lock member. In the case of the lock type, it is possible to adopt a configuration in which a pin as a lock member attached to the handle is fitted into a clearance between the engagement teeth to lock the slider. Moreover, it is good also as a structure which abbreviate | omits an opening prevention member.
-The cover part 48 is good also as a structure arrange | positioned in any one of a closed end part and an open end part. Further, the cover portion 48 may be omitted. As an example, the cover portion 48 may not be provided when the closed end portion or the open end portion is hidden by other portions, that is, in a position where it is difficult to contact the infant on the riding portion.

  -In the slider 47c, as for the trunk | drum 47d, the protrusion shape 47f of the surface in which the handle 47e is provided may face the boarding part side. Even in such a case, as an example, the slider 47c is covered with the cover portion 48, whereby the slider 47c can be prevented from touching an infant on board.

  The base sheet 41 and the head base sheet 46 may be configured to be detachable by means other than the wire fastener 47. As an example, it may be detachable with a hook button or hook-and-loop fastener.

The base sheet 41 may not include the flexible portion 42. As an example, it is sufficient to provide a tape portion on the outer peripheral edge portion of the base sheet 41 to which the tooth is fixed.
The seat base sheet 51 may be omitted, and the head base sheet 46 may be detachably provided to the base sheet 41.

Further, the head base sheet 46 may be omitted, and the seat base sheet 51 may be detachably provided to the base sheet 41. In this case, the head base sheet may be configured such that it cannot be detached from the base sheet 41 and the back support frame 27 that constitute the back support part.
In the case where the head base sheet 46 and the seat base sheet 51 are provided with respect to the base sheet 41, any one of the head base sheet 46 and the seat base sheet 51 is attached to the base sheet 41. It is good also as a structure which can be removed.
The surface sheet 61 can be omitted.

  The frame structure of the stroller 1 is not limited to the above example. In other words, the stroller may be a stroller having any frame structure as long as the stroller includes a seat plate member and a backrest portion, and may be a stroller having a frame structure that cannot be folded. Further, the stroller may have a frame structure in which the handle cannot be switched between the back pushing position and the face pushing position.

DESCRIPTION OF SYMBOLS 1 ... Stroller, 11 ... Front leg frame, 11a ... Front wheel, 12 ... Rear leg frame, 12a ... Rear wheel, 13 ... Seat plate member, 14 ... Front stay, 15 ... Rear stay, 16 ... Step, 17 ... Armrest, 18 ... Side frame, 19 ... connecting frame, 21 ... connecting member, 22 ... front guard, 23 ... handle, 23a ... vertical frame, 23b ... horizontal frame, 24 ... open / close lock lever, 25 ... rotating shaft, 27 ... backrest frame 27a ... Horizontal frame part, 28 ... Headrest, 29 ... Side plate, 29a ... Shaft part, 32 ... Switching operation member, 41 ... Base sheet, 41a ... Main sheet part, 41b ... Edge member, 41c ... Sewing part, 42 ... flexible part, 43 ... shoulder belt, 44 ... first shoulder belt adjustment slit, 46 ... head base sheet, 46a ... longitudinally extending part, 46b ... laterally extending part, 47 ... Fastener, 47a ... First engagement tooth, 47b ... Second engagement tooth, 47c ... Slider, 47d ... Body body, 47e ... Handle, 47f ... Projection shape, 47g ... Butterfly stick, 47h ... Box, 48 ... Cover part, 49 ... Bag-shaped part, 51 ... Seat base sheet, 51a ... Seat surface sheet part, 51b ... Side sheet part, 51c ... Bent part, 52 ... Crotch belt, 52a ... First crotch belt slit, 53 ... Connection end part, 54a ... Hook fastener, 54b ... Hook fastener, 55 ... Mounting portion, 55a ... Mounting piece, 55b ... Mounting piece, 56 ... Incision, 56a ... Hole portion, 56b ... Stopper, 61 ... Surface sheet, 62 ... Second shoulder belt adjustment Slit, 63 ... second crotch belt slit, 64 ... bent portion, 66 ... first belt, 67 ... second belt, 67a ... stopper, 71 ... face fastener, 72a ... face fastener, 72b ... face fastener.

Claims (8)

A seat plate member;
A backrest disposed behind the seat plate member;
A cushion portion disposed on the seat plate member and the backrest portion;
The back rest includes a back rest frame and a base sheet stretched over the back rest frame,
The cushion part is
Left and right vertical sides extending in the vertical direction of the base sheet with respect to the base sheet, and a head base sheet disposed on the base sheet,
A stroller comprising: an attachment portion for detachably attaching the head base sheet to the base sheet. The attachment portion is a first attachment portion,
The cushion part further includes:
A seat base sheet disposed on the seat plate member;
The stroller according to claim 1, further comprising a second attachment portion that detachably attaches the seat base sheet to a lower portion of the base seat. The mounting portion is a wire fastener,
The line fastener is
One first engagement tooth provided in the base sheet;
A second engagement tooth provided on the head base sheet and meshing with the first engagement tooth;
A slider that moves along the first service tooth and the second service tooth and opens and closes the first service tooth and the second service tooth;
The base sheet includes a flexible portion extending inward from an outer peripheral portion of the base sheet, and the first engagement tooth is provided at a distal end portion of the flexible portion,
The slider includes a body part that opens and closes the first service tooth and the second service tooth, and a handle that operates the body part,
The stroller according to claim 1, wherein the trunk portion is provided such that the handle is directed to an outer side opposite to the riding portion. The stroller according to claim 3, wherein the head base sheet includes a cover portion that covers the end portion at a position corresponding to at least one of the closed end portion and the open end portion of the slider. The stroller according to claim 3 or 4, wherein the attachment portion includes a stopper member that prevents the slider from moving in the opening direction when the wire fastener is in a closed state. The stroller further includes
A headrest provided rotatably on the backrest part;
At both ends of the headrest, a tip end portion is supported so as to be swingable, and a base end portion is provided with a pair of side plates that are rotatably supported by a shaft portion on the frame of the stroller,
The stroller according to any one of claims 1 to 5, wherein the head base sheet includes a bag-like portion that covers the headrest and the pair of side plates. The stroller further includes
A headrest that is rotatably supported with respect to the backrest portion;
At both ends of the headrest, a tip end portion is supported so as to be swingable, and a base end portion is provided with a pair of side plates that are rotatably supported by a shaft portion on the frame of the stroller,
The stroller according to claim 2, wherein the seat base sheet includes a third attachment portion that attaches the seat base sheet so as to engage the shaft portion. A seat plate member;
A backrest disposed behind the seat plate member;
A cushion portion disposed on the seat plate member and the backrest portion;
The back rest includes a back rest frame and a base sheet stretched over the back rest frame,
The cushion part is
A seat base sheet disposed on the seat plate member;
A stroller comprising: an attachment portion for detachably attaching the seat base sheet to a lower portion of the base seat.

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