JP5121604B2 - Folding stroller - Google Patents

Description

  The present invention relates to a folding stroller for an infant or the like to ride.

Conventionally, a stroller for an infant or the like to ride is used. Among such strollers, so-called foldable strollers that can be folded compactly when not in use and are light-weight are popular because they are convenient to carry and save space. Yes. Such a foldable baby stroller has a pair of left and right grips, a pair of front and rear wheels, and a pair of front wheel shafts that rotatably connect the left and right front wheels, as well as the left and right rear wheels. A pair of rear wheel shaft portions. And the rear-wheel shaft part supports the front-wheel shaft part diagonally by side view. When folding this foldable stroller, the pair of left and right grips, front wheel shaft, rear wheel shaft, front wheel, and rear wheel are each folded in a direction that narrows the left and right spacing, and the front wheel shaft is gripped When the rear wheel shaft portion and the front wheel shaft portion are substantially on the same line, the space can be accommodated in a compact manner. Such a stroller can be accommodated by supporting the weight in a folded state and supporting itself. In other words, such a stroller is configured such that a self-supporting leg comes out when the stroller is folded, and the weight of the stroller is supported by the self-supporting leg and the rear wheel or the front wheel and can be stored independently. Further, in the folded state, the gripping part has a shape like an umbrella handle, so it may be called an umbrella type. Alternatively, a folding stroller in which such a folded state is compact, lightweight, convenient to carry, and requires a small space for accommodation may be referred to as a buggy type stroller. (For example, patent document 1 and patent document 2).
Japanese Patent Laying-Open No. 2006-290213 (FIGS. 1 and 2 etc.) Japanese Patent No. 3494630 (FIGS. 1 to 3 etc.)

  Such foldable baby strollers are intended to be lighter and more compact, so that there are many cases in which the seat cushion where the infant is seated has insufficient impact relaxation and the seating comfort is not so good. In addition, there is a risk that the sitting infant may move, or the infant may jump out and be injured without being able to cope with the unevenness of the road surface during running. For this reason, normally, the folding stroller is provided with a pair of shoulder belt portions arranged on the left and right shoulders from the back side and a front crotch portion arranged on the front crotch portion on the seat portion, After the infant is seated, the pair of shoulder bands and the front crotch part are fastened to the abdomen of the infant so that the infant's body is fixed to the seat. However, there is a problem that the height of the shoulder band portion cannot be adjusted in accordance with the growth of the infant's body, and it is difficult to fix at the optimum position.

  Therefore, the present invention provides a comfortable, lightweight and compact foldable seat that can be comfortably seated by an infant and that can be adjusted according to the growth of the infant's body. The purpose is to provide a formula stroller.

  According to the first aspect of the present invention, there is provided a seat portion on which an infant rides, a pair of shoulder bands that regulate left and right shoulder portions from the back when the infant gets on, and a skeleton that supports the seat portion. And a pair of front wheel portions and a pair of rear wheel portions, a rotatable wheel portion, and a pair of grip portions for operation by a user. A detachable elastic seat portion having impact relaxation properties for sitting; and a seat support portion for supporting the elastic seat portion, wherein the elastic seat portion protects at least a head portion of the infant. A head protection elastic part that protects the buttocks part of the infant, and the seat support elastic part is disposed on the seat support part. A back seat support portion for supporting a back side of the infant when seated; A protective elastic part, and a buttock seat support part that supports a buttock side of the infant when the infant is seated, the skeleton part extending from a pair of the gripping parts, A pair of side shaft portions that mainly support the seat support portion, a pair of front wheel shaft portions that support the front wheel portion, a pair of rear wheel shaft portions that support the rear wheel portion, and a width of the pair of front wheel shaft portions And the width of the pair of rear wheel shaft portions are held at the width of the buttocks seat support portion when used, and in the state of narrowing the width of the pair of front wheel shaft portions and the width of the pair of rear wheel shaft portions when folded. The bottom surface arrangement frame portion to be held, the pair of side shaft portions and the pair of rear wheel shaft portions are held at the width of the back seat support portion when used, and when folded, the width of the pair of side shaft portions and the pair of paired rear wheel shaft portions are used. A rear-arranged frame portion that is held in a state where the width of the rear wheel shaft portion is narrowed. A pair of shoulder bands, a plurality of pairs of shoulder bands provided in the back seat support part, a plurality of pairs of shoulder band height adjustment holes provided in the head protection elastic part, Therefore, the head protection elastic part can be adjusted to a relative position of the height relative to the buttocks seat support part in conjunction with the adjustment of the pair of shoulder belt parts. This is achieved by a folding stroller characterized in that it is possible.

According to the said structure, the folding part provided with the seat part which an infant rides, a pair of shoulder belt part which controls the shoulder part of an infant, the frame part which supports a seat, a wheel part, and a holding part. It is a stroller.
The skeleton part of the folding stroller has a pair of side surface shaft parts, a pair of rear wheel shaft parts, a pair of front wheel shaft parts, a bottom face arrangement frame part, and a back face arrangement frame part.
In addition, the width of the buttock seat support part is maintained in the state of being narrowed when folded, and the width of the backseat support part is maintained in the state of being narrowed in use. When folded, it is held in a state of narrowing. For this reason, the user can be accommodated compactly when folded.
In addition, the seat portion includes a removable elastic seat portion that has a shock-relaxing property when an infant is seated, and includes a seat support portion that supports the elastic seat portion.
For this reason, when an infant sits down, the seating comfort of the seat portion is good.

According to the above configuration, the elastic seat portion includes a head protection elastic portion that protects the head portion of the infant when the infant is seated, and a hip protection elastic portion that protects the buttocks portion of the infant. ,have.
Therefore, even if the baby's body shakes due to the unevenness of the road surface when traveling, it is possible to prevent injury by hitting the frame part etc. by the buttocks protective elastic part and head protective elastic part can do.
In addition, the head support elastic part and the buttock protection elastic part can be directly arranged on the seat support part, so if the seat support part is made of a material having good air permeability, the seat support part It is possible for a baby to be configured to be comfortable to sit while having good breathability.

Further, according to the above configuration, the pair of shoulder belt portions includes a plurality of pairs of shoulder belt holes provided in the back seat support portion and a plurality of pairs of shoulder belt height adjustments provided in the head protection elastic portion. It can be adjusted to fit the baby's body shape through the holes.
That is, a plurality of pairs of shoulder belt holes in the back seat support portion and a plurality of pairs of shoulder belt height adjustment holes in the head protection elastic portion are provided. By the combination with the belt height adjustment hole, the height of the pair of shoulder belt portions arranged on the left and right shoulder portions of the infant can be adjusted.
For this reason, the height of the shoulder band is adjusted according to the size of the infant's body to be seated, even when the shoulder position from the buttocks of the infant is positioned upward. It is possible to arrange.
That is, the shoulder band portion can be adjusted according to the growth of the infant and can be fixed at an optimum position, so that the safety is high.

And according to the said structure, adjustment of the relative position of the height with respect to a buttocks seat support part is possible for the head protection elastic part.
For this reason, when adjusting the height of the shoulder band according to the growth of the infant, it is possible to adjust the relative height of the head protection elastic portion with respect to the hip protection elastic portion.

  Preferably, according to the second invention, in the configuration of the first invention, the resilient seat portion is disposed between the rear seat support portion and the head protection resilient portion, and the seated infant is seated. A seat back elastically supporting the back side of the body, and a seat elastically supporting the buttocks side of the seated infant disposed between the buttocks seat support section and the buttocks protection elastic section A back elastic portion, and the back elastic portion has a plurality of pairs of shoulder belt holes provided at positions corresponding to the plurality of shoulder belt holes of the back seat support portion. A pair of the shoulder belt portions are passed through the plurality of pairs of shoulder belt holes and the plurality of pairs of shoulder belt holes, and the plurality of pairs of shoulder belt height adjustment holes are used to form the pair of shoulder belt holes. The part is a foldable baby stroller characterized by being adjustable.

  According to the above configuration, the elastic seat portion further includes a backrest elastic portion that elastically supports the back side of the seated infant and a seat surface elastic portion that elastically supports the buttocks side of the infant. Have. The back elastic portion is provided with a shoulder belt through hole at a position corresponding to the plurality of pairs of shoulder belt holes of the back seat support portion. For this reason, the height of the shoulder band can be adjusted by passing through the shoulder band hole and the shoulder band hole, and through the shoulder band height adjustment hole provided in the head protection elastic member. It has become. And since the elastic seat part further has a back elastic part and a seat surface elastic part, the comfort of the infant becomes even better, and it has excellent heat retention etc. in cold weather etc. It will be a thing.

  Preferably, according to the third invention, in the configuration of the first or second invention, the pair of side surface shaft portions prevent the infant from jumping out in the lateral direction of the head portion. The head protection elastic part has a pair of temporal protection elastic parts for protecting the temporal part of the infant, and the side is in the vicinity of the pop-out prevention part. The folding stroller is characterized in that a head protection elastic part is arranged.

According to the above configuration, the foldable baby stroller has a pair of side protection elasticities that protect the infant's temporal portion of the jump prevention portion provided on the pair of side surface shaft portions and the head protection elasticity portion. Has a part. And it is arrange | positioned in the vicinity of the jump-out prevention part.
For this reason, even if the body sways, such as the head of an infant, due to the unevenness of the road surface during travel, even if the body such as the infant's head shakes significantly, the jump-out prevention unit should prevent lateral jump-out. Can do. And the temporal protection elastic part is adjusted and arrange | positioned in the vicinity of this protrusion prevention part. Therefore, even if it becomes a situation where the infant's head part hits the jump-out prevention part vigorously, it can be buffered by the temporal protection elastic part. Therefore, it is possible to prevent injuries in advance while preventing the infant from jumping out in the lateral direction.

  Preferably, according to the fourth invention, in the configuration of any one of the first to third inventions, an awning part that can be detachably attached to the vicinity of the pair of gripping parts and the pair of jump-out preventing parts. The awning portion includes at least two substantially inverted U-shaped bone portions, a first covering portion stretched between the substantially inverted U-shaped bone portions, and a vicinity of the pair of gripping portions. A second covering portion that covers the space between the substantially inverted U-shaped bone portion and the vicinity of the upper edge portion of the backrest elastic portion, and the attachment position of the sunshade portion of the pop-out prevention portion It has a multi-stage holding position including a position where at least the second covering part of the sunshade part is folded and the first covering part is held in an unfolded state. This is a foldable baby stroller.

According to the said structure, the folding stroller has the sunshade part which can be attached detachably. This awning portion is rotatable at the position where the awning portion of the pop-out prevention portion is attached. The sunshade is attached in the vicinity of at least two substantially inverted U-shaped bone parts, a first covering part stretched between these substantially inverted U-shaped bone parts, and a pair of gripping parts, It has a 2nd cover part which covers between an inverted U-shaped bone part and the upper edge part vicinity of a backrest elastic part. The sunshade has a multi-stage holding position including a position where the second cover of the sunshade is folded and the first cover is held in an expanded state.
For this reason, when a user wants to sit an infant in a folding stroller and avoid the sun, the sunshade can be attached and used. In addition, this awning part can be rotated at the attachment position of the awning part of the pop-out prevention part, and has a multi-stage holding position, so that it can be combined with the strength of sunlight and the direction of sun exposure. The position covered by the sunshade can be adjusted.

  Preferably, according to a fifth invention, in the configuration of any one of the first to fourth inventions, the rear wheel shaft portion is provided on the side surface shaft portion and an extension of the side surface shaft portion. The rear wheel shaft portion is provided so as to support the wheel shaft portion from the rear, and an end portion of the rear wheel shaft portion where the rear wheel portion is provided faces in a direction away from the front wheel portion, and the rear wheel shaft portion is a side surface. A foldable baby stroller characterized by having a shape having a substantially S-shaped curve that is gentle to the eye.

According to the said structure, the edge part in which the rear-wheel part of the rear-wheel axial part is provided has faced the direction away from a front-wheel part, and a rear-wheel axial part is a shape which has a gentle substantially S-shaped curve by side view. It has become. And this rear-wheel axial part is continuously provided so that the front-wheel axial part provided on the extension of the side-surface axial part and its side-surface axial part may be supported from back.
For this reason, by increasing the distance between the rear wheel part and the front wheel part, the center of gravity of the folding stroller is not excessively engaged with the front wheel part side when the gripping part is held and the folding stroller is driven. Since the position can be lowered, the sense of stability can be increased and the usability can be improved.

  According to the present invention, in spite of being a light and compact foldable baby stroller, the seat portion includes a resilient seat portion having impact relaxation properties on which the infant is seated, and a seat that supports the resilient seat portion. Since it has a support part, the sitting comfort of the seat part on which the infant sits is good. Further, the shoulder belt portion includes a plurality of pairs of shoulder belt holes and a plurality of pairs of shoulder belt holes provided in the back seat support portion and the backrest elastic portion, and a plurality of pairs of shoulder portions provided in the head protection elastic portion. The belt height adjustment hole allows adjustment of the shoulder band portion and the like in accordance with the growth of the infant's body, and is highly safe. And since the elastic seat part has a buttocks protection elasticity part and a head protection elasticity part, the danger of the infant can be prevented beforehand.

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
The embodiments described below are preferred specific examples of the present invention, and thus various technically preferable limitations are given. However, the scope of the present invention is particularly limited in the following description. Unless otherwise stated, the present invention is not limited to these embodiments.

  FIG. 1 is a schematic perspective view showing a main configuration of the folding stroller 1 according to the present embodiment, and FIG. 2 is a schematic rear view of the folding stroller 1 of FIG. FIG. 3 shows the foldable baby stroller 1 in a state in which the detachable hood part 23 and the forward fall prevention part 22 as an example of the awning part are removed from the foldable baby stroller 1 of FIGS. 1 and 2. It is a schematic perspective view which shows a structure.

As shown in FIG. 1 and the like, the foldable baby stroller 1 includes, for example, front wheel portions 18a and 18b and rear wheel portions 19a and 19b, which are wheel portions having twin wheels that can rotate. Two rear wheel portions 19b are formed in the same manner as the front wheel portion 18a and the like. The foldable stroller 1 has a seat portion 45 on which an infant rides. The configuration of the seat portion 45 will be described later.
The foldable baby stroller 1 includes front wheel shaft portions 14a and 14b that support the front wheel portions 18a and 18b, and rear wheel shaft portions 17a and 17b that support the rear wheel portions 19a and 19b. The front wheel portions 18a and 18b are provided at symmetrical positions, and the rear wheel portions 19a and 19b are similarly provided at symmetrical positions. That is, a pair of front wheel portions 18a and 18b and a pair of rear wheel portions 19a and 19b are formed. The front wheel shaft portions 14a and 14b are also provided on the left and right in a pair, and the rear wheel shaft portions 17a and 17b are also provided on the left and right in a pair.

The foldable baby stroller 1 has a pair of left and right grips 2a and 2b to be operated by a user, and side shafts 10a and 10b are connected to the grips 2a and 2b, respectively. The pair of left and right side surface shaft portions 10a and 10b are connected to the front wheel shaft portions 14a and 14b and the rear wheel shaft portions 17a and 17b, respectively, via a rotatable fixing portion.
The pair of left and right side surface shaft portions 10a and 10b are kept at the width of the seat portion 45 by the back surface width support portion 35 during use. Similarly, the pair of front wheel shaft portions 14a and 14b and the pair of rear wheel shaft portions 17a and 17b are kept at the width of the seat portion 45 by the bottom surface width support portion 15 in use.
That is, the front wheel portions 18a and 18b and the rear wheel are constituted by the pair of side surface shaft portions 10a and 10b, the pair of front wheel shaft portions 14a and 14b, the pair of rear wheel shaft portions 17a and 17b, the back surface width support portion 35, and the bottom surface width support portion 15. The parts 19a and 19b and the seat part 45 are supported.
Here, the pair of side surface shaft portions 10a and 10b, the pair of front wheel shaft portions 14a and 14b, the pair of rear wheel shaft portions 17a and 17b, the back surface width support portion 35, and the bottom surface width support portion 15 are examples of a frame portion. . And the bottom face width support part 15 is an example of a bottom face arrangement frame part, and the back surface width support part 35 is an example of a back face frame part.
In the present embodiment, as will be described later, the foldable stroller 1 includes a pair of side surface shaft portions 10a and 10b, a pair of front wheel shaft portions 14a and 14b, and a pair of rear wheel shaft portions 17a and 17b. Each can be rotated and folded at the position of the fixed part. In other words, the pair of left and right front wheel portions 18a and 18b and the pair of left and right rear wheel portions 19a and 19b move in the direction in which they are close to each other to narrow the width, and further, the front wheel portions 18a and 18b are gripped portions 2a, It is set as the structure which rotates in the direction which adjoins 2b, and can fold the seat part 45 and make it compact.

In addition, as shown in FIG. 1 and the like, the folding stroller 1 has a forward fall prevention portion 22 for preventing an infant from placing an elbow or falling forward. The prevention unit 22 is detachable from the foldable baby stroller 1. Therefore, the user can use it with the forward fall prevention part 22 removed as necessary, or use it with it attached.
Further, the foldable baby stroller 1 has a hood portion 23 that protects infants from direct sunlight, and this hood portion 23 is also detachable from the foldable baby stroller 1. For this reason, it can be used with the hood part 23 removed as needed, or can be used with it attached.
And if a user removes these detachable front-falling prevention parts 22, the hood part 23, etc., and uses the folding stroller 1, the folding stroller 1 can further be reduced in weight.
The foldable baby stroller 1 is also a user's front case, for example, a storage compartment 30 where a guardian or the like puts a baggage, a footrest portion 16 on which an infant puts his / her foot while riding, and a front thigh for holding the infant on the seat portion 45. It also has a belt part 20 and waist belt parts 46a and 46b. The container 30, the footrest 16, the front crotch portion 20, the waistband portions 46 a, 46 b, etc. may be detachable, and can be attached or removed as necessary. Is even more convenient.
The container part 30 has, for example, a bowl shape made of a material on a mesh, and is disposed below the seating surface support part 48 described later and between the bottom surface width support part 15. Therefore, even if a load is put into the container 30 and the weight is lowered by the weight, the bottom width support portion 15 can support this weight, so that it is not rubbed on the road surface during traveling. The footrest portion 16 has a belt-like shape, and is above the front wheel portions 18a and 18b disposed at the ends of the pair of left and right front wheel shaft portions 14a and 14b. It arrange | positions between a pair of front-wheel axial parts 14a and 14b. The footrest 16 is formed of, for example, a foldable member so that it can be easily folded. The front crotch portion 20 and the waistband portions 46a and 46b are made of, for example, a material that does not stretch so that the infant's body can be firmly fixed.
Furthermore, the footrest portion 16 is fixed to the front wheel shaft portions 14a and 14b via the connection portions 50a and 50b. That is, the left and right ends of the footrest portion 16 are inserted into the connection portions 50a and 50b, respectively, and fixed so as to be sandwiched between the connection portions 50a and 50b. Therefore, there is no gap between the footrest portion 16 and the connection portions 50a and 50b. For this reason, it is set as the structure which can prevent an infant from being injured by accidentally pinching a toe etc. in the clearance gap between the footrest part 16 and connection part 50a, 50b (refer FIG.1 and FIG.3).

By the way, as shown in FIG.1 and FIG.3, in this Embodiment, the seat part 45 has the elastic seat part 47 in which the seat support part 13 and the infant are seated, and it has shock relaxation property. For this reason, when the infant sits on the seat 45, the sitting comfort is good.
The seat support 13 includes a back support 44 and a seat support 48, and the back support 44 and the seat support 48 constitute the seat support 13.
The backrest support portion 44 is formed in a region formed by a frame portion such as the pair of side surface shaft portions 10a and 10b, the back surface width support portion 35, the pair of front wheel shaft portions 14a and 14b, and the pair of rear wheel shaft portions 17a and 17b. The seat surface support portion 48 is disposed in a region formed by a frame portion such as the pair of front wheel shaft portions 14 a and 14 b and the pair of rear wheel shaft portions 17 a and 17 b and the bottom surface width support portion 15. Here, the back support 44 is an example of a back seat support, and the seat support 48 is an example of a buttocks support.
And this seat support part 13 is comprised, for example with the mesh-shaped raw material with favorable air permeability.

Further, the elastic seat portion 47 has a cushioning property to such an extent that an infant is seated and has an impact relaxation property. Here, the elastic seat portion 47 has the backrest cushion portion 3, the seat surface portion 12, the head protection cushion portion 7, and the buttocks protection cushion portion 40.
In the present embodiment, the back cushion portion 3 and the seat surface portion 12 are detachably disposed on the seat support portion 13, and the back cushion portion 3 and the seat surface portion 12 are removed, and the head support portion 13 is directly attached to the head support portion 13. The part protection cushion part 7 and the buttock protection cushion part 40 can also be attached and used. That is, the head protection cushion portion 7 and the buttock protection cushion portion 40 are also configured to be used by being disposed on the seat support portion 13 without the back cushion portion 3 and the seat surface portion 12 interposed therebetween.
Therefore, when the head protection cushion portion 7 and the buttocks protection cushion portion 40 are arranged and used directly on the seat support portion 13, while maintaining the comfort of the infant, particularly in the season when the temperature and humidity are high. Air permeability can be ensured, and when the back cushion part 3 and the seat surface part 12 are attached to the seat support part 13 for use, the cushioning property is further improved and the heat retaining property is also improved.
Further, as will be described later, the head protection cushion portion 7 can adjust the relative position of the height with respect to the seat surface portion 12 and the buttock protection cushion portion 40 on the back cushion portion 3, and the back cushion portion 3 and the seat surface portion 12, the relative position of the height relative to the seat surface support portion 48 and the buttock protection cushion portion 40 can be adjusted on the back support portion 44 of the seat support portion 13. ing. That is, the height of the head protection cushion portion 7 can be adjusted according to the growth of the infant.
The head protection cushion portion 7 has a back head protection cushion portion 5 and a side head protection cushion portion 6, and the buttock protection cushion portion 40 includes a recumbent limb protection portion 11 and a heel portion center protection portion 39. Have.
Here, the seat surface portion 12 is an example of a seat surface elastic portion, and the backrest cushion portion 3 is an example of a backrest elastic portion. The buttocks protection cushion part 40 is an example of a buttocks protection elastic part, and the head protection cushion part 7 is an example of a head protection elasticity part.

  The head protection cushion portion 7 and the buttock protection cushion portion 40 of the present embodiment are connected by a connecting portion 41. For this reason, when the infant is seated on the seat portion 45, the head portion protection cushion portion 7 and the heel portion protection cushion portion 40 are greatly displaced from side to side or moved up and down by the connecting portion 41. It can be prevented. But the head protection cushion part 7 and the buttock protection cushion part 40 may be made into the state which is not connected. When not connected in this way, it is easier to adjust the height of the head protection cushion portion 7 in accordance with the growth of the infant.

FIG. 18 is a partial schematic view of the foldable baby stroller 1 and shows a state in which the back cushion portion 3 and the seat surface portion 12 are not attached to the seat support portion 13. FIG. 19 shows the back side of the head protection cushion portion 7 and the buttock protection cushion portion 40.
As shown in FIG. 19, the temporal head protection cushion portion 6 and the recumbent portion protection portion 11 are provided with fixing portions 59 a, 59 b, 60 a, 60 b, 61 a, 61 b. That is, a pair of fixing portions 59 a and 59 b and a pair of fixing portions 60 a and 60 b are provided on the outer periphery in the lateral direction of the temporal protection cushion portion 6. In the vicinity of the peripheral portion on the side, a pair of fixing portions 61a and 61b are provided. In addition, each fixing | fixed part may be provided in the peripheral part vicinity of the back surface side of the temporal protection cushion part 6, and the outer periphery of the lateral direction of the collar part protection cushion part 40. FIG.
As shown in FIG. 18, head protection cushion fixing portions 57 and 57 are provided on the left and right sides of the backrest support portion 44 at the side of the side of the backrest support portion 44 and at the mid-height. The head protection cushion fixing portions 57 and 57 are detachable fixing means corresponding to the fixing portions 59a, 59b, 60a and 60b of the side head protection cushion portion 6.
Further, on the side of the back support 44 and slightly above the seat support 48, the heel protection cushion fixing parts 58, 58 are provided on the left and right. The flange protection cushion fixing portions 58 and 58 are detachable fixing means corresponding to the fixing portions 61 a and 61 b of the lateral flange protection portion 11.
In the drawing, only the head protection cushion fixing portion 57 and the heel protection cushion fixing portion 58 provided on the left side surface are shown, but the head protection cushion fixing portion 57 and the heel portion are similarly shown on the right side surface. A protective cushion fixing portion 58 is provided.
And the head protection cushion part 7 and the buttock protection cushion part 40 can maintain the positions when they are arranged on the seat support part 13 by these fixing parts. That is, when it arrange | positions on the seat support part 13, the side head protection cushion part 6 and the recumbent part protection part 11 do not fall down inside. Furthermore, in other words, these fixing parts 57, 57, 58, 58, 59a, 59b, 60a, 60b, 61a, 61b are the temporal protection cushion part 6 and the recumbent part protection part 11 are the occipital part protection cushion part 5. In addition, it is possible to suppress falling to the side of the central protection unit 39.
Moreover, the fixing | fixed part 59a, 59b, 60a, 60b provided in the temporal part protection cushion part 6 of the head protection cushion part 7 is provided in right and left. For this reason, the head protection cushion portion 7 can be adjusted in height from the seat surface portion 12 by the head protection cushion fixing portions 57 and 57 provided on the left and right side surfaces of the seat support portion 13, respectively. ing.
Here, these fixing portions 59a, 59b, 60a, 60b, 61a, 61b, the head protection cushion fixing portions 57, 57 and the heel protection cushion fixing portions 58, 58 are detachable fixing means such as buttons, It consists of a hook-and-loop fastener, a fastener, a string, and the like.

  FIG. 2 is a schematic rear view of the folding stroller 1 according to the present embodiment. FIG. 2 shows the relationship between the back support 44, the back width support 35, the pair of side shafts 10a and 10b, the pair of rear wheel shafts 17a and 17b, and the like. Further, as will be described later, the hood part 23 is attached by hood attachment / detachment fixing parts 43a and 43b which are detachable fixing means in the vicinity of the connection between the pair of gripping parts 2a and 2b and the pair of side surface shaft parts 10a and 10b. It has been. And the hood part 23 can adjust the range which covers the seat part 45 by the hood position fixing | fixed part 36a, 36b, 36c so that it may mention later.

The backrest support portion 44 is provided with a pair of support portion shoulder band first insertion holes 4a and 4b and a pair of support portion shoulder band second insertion holes 34a and 34b. The height of the cushion part 7 and the shoulder band parts 8a and 8b can be adjusted.
The back width support portion 35 is disposed between the pair of left and right side shaft portions 10a and 10b and the pair of rear wheel shaft portions 17a and 17b. As shown in FIG. 2, when viewed from the back side, when the folding stroller 1 is used, the two struts are arranged so as to cross (X-shape) at a substantially central position in the length direction of the struts. Has been. The two struts are fixed so as to be rotatable by screws or the like at the crossed portions, and serve as a rear width support portion 35. When the folding stroller 1 is folded, the two struts of the back surface width support portion 35 are rotated around the crossed portion so as to reduce the distance therebetween, and when both approach each other. The back support 44 is folded to reduce its width so that it can be accommodated compactly.

In use, the width of the rear wheel shaft portions 17a and 17b is higher than the position where the rear wheels 19a and 19b on the rear wheel shaft portions 17a and 17b are connected and close to the rear surface width support portion 35. A horizontal width holding portion 33 for holding the is disposed. The back surface width support portion 35 is connected to a support shaft 62 disposed below the seat surface support portion 48 via the lateral width holding portion 33.
That is, in use, the horizontal width holding portion 33 holds the width of the back width support portion 35 and holds the width of the backrest support portion 44 to the extent that the width can be secured. The horizontal width holding portion 33 can be bent at a substantially central position in the width direction. When the horizontal width holding portion 33 is bent, the two columns of the rear width support portion 35 are brought close to each other. Thereby, the distance of the width direction of the backrest support part 44 is shortened. That is, the lateral width holding support portion 33 can maintain the distance in the width direction of the backrest support portion 44. Here, the width direction is, for example, between the left and right grips 2a and 2b, and is the horizontal direction in FIG.

In addition, a width holding release lever 32 is provided at a bent portion at a substantially central position of the horizontal width holding portion 33. In use, the width holding release lever 32 has a function of holding the bent portion of the horizontal width holding support portion 33 so that the bent portion of the width holding support portion 33 is not bent, so that the distance in the width direction is maintained.
As will be described later, when the user operates the width holding release lever 32 to release the retaining role, the horizontal width holding support portion 33 is bent at a substantially central position, the distance in the width direction is reduced, and the folding is performed. The tatami stroller 1 is folded. Then, the self-supporting stand part 31 is lowered between the rear wheels 19a and 19b, and the folding stroller 1 is supported by the self-supporting stand part 31 and the rear wheels 19a and 19b. It can be accommodated in a self-supporting state.

FIG. 3 is a perspective view schematically showing a state in which the hood portion 23 and the forward-falling prevention portion 22 are removed from the foldable baby stroller 1 shown in FIGS. 1 and 2.
As shown in FIG. 3, the head protection cushion portion 7 is disposed on the backrest cushion portion 3, and the buttocks protection cushion portion 40 is disposed on the seat surface portion 12. The back cushion part 3 is provided with a pair of cushion part shoulder band first insertion holes 64a and 64b and a pair of cushion part shoulder band second insertion holes 65a and 65b which are not shown here but are described later. The rear head protection cushion portion 5 of the head protection cushion portion 7 includes a pair of head protection shoulder belt first insertion holes 21a and 21b and a pair of head protection shoulder belts which are not shown here but are described later. Two insertion holes 38a and 38b are provided.
Here, the pair of cushion part shoulder band second insertion holes 65a and 65b are paired with a pair of support part shoulder band second insertion holes 34a and 34b (see FIG. 2) provided in a backrest support part 44 described later and head protection. The shoulder band first insertion holes 21a and 21b are disposed so as to overlap with each other, and a pair of shoulder band portions 8a and 8b are disposed therethrough. The shoulder band portions 8 a and 8 b are arranged so as to extend from the head protection shoulder band first insertion holes 21 a and 21 b of the head protection cushion portion 7.
The buttocks protection cushion part 40 is provided with a front crotch band insertion part 20a, and the front crotch band part 20 is arranged to extend upward from the front crotch band insertion part 20a. In addition, waistband portions 46a and 46b that can press the vicinity of the waist of the infant from the lateral direction obliquely upward are disposed on the left and right sides of the buttocks protection cushion portion 40.
The shoulder belt portions 8a and 8b are connected to the waist belt portions 46a and 46b via connection portions (not shown), and then attached to and detached from the front abdominal portion of the infant by a detachable connection portion 49 provided on the front crotch belt portion 20. It is comprised so that it may be connected. Therefore, the shoulder belt portions 8a and 8b, the front crotch belt portion 20, and the waist belt portions 46a and 46b fix the infant to the seat portion 45, thereby ensuring the safety of the infant.

Further, when the infant is seated on the seat portion 45 and travels on the side shaft portions 10a and 10b, the infant is laterally influenced by the roll of the folding stroller 1 due to the unevenness of the road surface. Side surface pop-out preventing portions 9a and 9b are provided to prevent jumping out in the (width direction). That is, the side surface jump preventing portions 9a and 9b are protective portions that prevent the baby from jumping out in the lateral direction, and are attached so as to straddle the side shaft portions 10a and 10b.
And the shape of the side surface prevention parts 9a and 9b is a shape that slightly protrudes forward from the side surface shaft parts 10a and 10b so that it can be surely prevented when the baby jumps out in the lateral direction. Preferably, the outer shape in a side view is, for example, a substantially arcuate shape or a substantially crescent shape. Furthermore, considering that the baby should hit the side surface jump preventing portions 9a and 9b, it is preferable that the baby is formed of a material that is relatively soft and has strength as a protective member. Therefore, for example, as a material for forming the side surface pop-out preventing portions 9a and 9b, polypropylene-based, polyolefin-based, polyamide-based or other thermoplastic resins, polypropylene-based, polyolefin-based, polyester-based or other thermoplastic elastomers can be cited. It is done. Further, the side surface pop-out preventing portions 9a and 9b may be formed with a base portion made of a relatively hard and strong material, and may cover the surface with a relatively soft material or may be two-color molded.
Here, the side surface jump preventing portions 9a and 9b are an example of the jump preventing portion.

Further, in the present embodiment, the head protection cushion portion 7 has a occipital head protection cushion portion 5 and a side head protection cushion portion 6, and the side head protection cushion portion 6 is provided on the left and right. ing. And the side part protection cushion part 6 of the head part protection cushion part 7 is arrange | positioned in the position where the side surface protrusion prevention parts 9a and 9b are arrange | positioned.
For this reason, when the infant is seated, the side jump-out prevention portions 9a and 9b can prevent lateral jump-out, and even if the infant hits the side jump-out prevention portions 9a and 9b, the impact is prevented. It can be reduced by the side head protection cushion part 6, and can be made higher in safety.

  In the present embodiment, the left and right of the front wheel portions 18a and 18b and the rear wheel portions 19a and 19b are folded in a close proximity direction, and the grip portions 2a and 2b are close to the front wheel portions 18a and 18b. Since the foldable baby stroller 1 has a structure that folds in the direction of the seat, the seat surface support portion 48 and the backrest support portion 44 can be formed into a relatively thin and deformable sheet shape, or can be bent as a bent portion or a split piece. It can be composed of anything. In order to reduce the weight, in the present embodiment, the seat support portion 13 including the seat support portion 48 and the backrest support portion 44 is a mesh-like material having a strength that can support the weight of the infant and the like. You may comprise.

Next, the height adjustment of the head protection cushion portion 7 of the elastic seat portion 47 of the seat portion 45 of the folding stroller 1 according to the present embodiment will be described with reference to FIGS. 4 to 7.
FIGS. 4 to 7 illustrate the backrest cushion portion 3, the head protection cushion portion 7, the connecting portion 41, and the heel protection cushion portion 40 in a plan view for convenience of explanation. The back cushion part 3 is disposed on the back support part 44, and the role of the head protection cushion part 7 for adjusting the height is substantially the same between the back cushion part 3 and the back support part 44. .

As described above, the elastic seat portion 47 includes the backrest cushion portion 3, the seat surface portion 12, the head protection cushion portion 7, and the buttock protection cushion portion 40. The head protection cushion portion 7 is provided with a pair of head protection shoulder band first insertion holes 21a and 21b and a pair of head protection shoulder band second insertion holes 38a and 38b. In other words, the head protection cushion portion 7 is provided with four insertion holes for the shoulder strap portions 8a and 8b in total, two vertically and symmetrically in the left-right direction.
Further, the back cushion part 3 is provided with a pair of cushion part shoulder band first insertion holes 64a and 64b and a pair of cushion part shoulder band second insertion holes 65a and 65b, and the back support part 44 has a pair. The support portion shoulder band first insertion holes 4a, 4b and a pair of support portion shoulder band second insertion holes 34a, 34b are provided.
In other words, the back cushion portion 3 is provided with four insertion holes for a total of four shoulder strap portions 8a and 8b, which are vertically symmetrical in two steps. Similarly, the back support 44 is also provided with four insertion holes for a total of four shoulder straps 8a and 8b, symmetrically in two directions.
And the back cushion part 3 is arrange | positioned on the back support part 44, A pair of cushion part shoulder band 1st insertion holes 64a and 64b provided in these, and a pair of support part shoulder band 1st insertion hole 4a, 4b is arranged so as to overlap each other. Similarly, the pair of cushion part shoulder band second insertion holes 65a and 65b and the pair of support part shoulder band second insertion holes 34a and 34b are also arranged to overlap each other. Therefore, as described above, the role of the head protection cushion portion 7 for height adjustment is substantially the same between the back cushion portion 3 and the back support portion 44.

That is, as described above, the first insertion holes 4a and 64a and the second insertion holes 65a and 34a of the back support portion 44 and the back cushion portion 3 of the insertion holes are arranged so as to overlap each other. Any one of these sets is selected and passed through the shoulder band 8a. Then, either the head protection shoulder band first insertion hole 21a or the head protection shoulder band second insertion hole 38a of the head protection cushion part 7 is selected and the shoulder band part 8a is passed.
Similarly, the other shoulder band portion 8b is also passed through one of these insertion holes 4b, 34b, 64b, 65b, 21b, 38b. That is, since the first insertion holes 4b and 64b and the second insertion holes 65b and 34b of the support part 44 and the back cushion part 3 are arranged so as to overlap each other, the shoulder band part 8b is composed of these sets. Either is selected and passed. Then, either the head protection shoulder band first insertion hole 21b or the head protection shoulder band second insertion hole 38b is selected and the shoulder band portion 8b is passed.
As described above, the shoulder bands 8a and 8b are passed through any of the insertion holes 4a, 4b, 34a, 34b, 64a, 64b, 65a, 65b, 21a, 21b, 38a, 38b, It is arrange | positioned in the front surface of the part protection cushion part 7, and height adjustment etc. can be performed now according to a baby's body shape, growth, etc. The head protection cushion portion 7 can be adjusted in relative height from the heel protection cushion portion 40 in accordance with the adjustment of the shoulder bands 8a and 8b.

FIG. 4 shows a pair of cushion part shoulder band second insertion holes 65a, 65b of the back cushion part 3 (support part shoulder band second insertion holes 34a, 34b of the back support part 44 superimposed thereon) and head protection. The head protection cushion part 7 is arranged so that the pair of head protection shoulder band first insertion holes 21a, 21b of the cushion part 7 are overlapped, and the shoulder band parts 8a, 8b pass through these, It is arranged on the side.
In this state, when the head protection cushion part 7 is arrange | positioned at the seat part 45, it is thought that it is suitable when the baby's body shape is not so large. That is, the head protection cushion part 7 is disposed in a direction approaching the buttock protection cushion part 40 disposed on the seat surface part 12 (see FIG. 3 and the like). Therefore, when the infant sits on the seat portion 45, the head protection cushion portion 7 is disposed at a relatively low position on the back cushion portion 3.
However, in the above state, if the baby's body shape is relatively large, the position of the head protection cushion portion 7 is disposed slightly below the head of the infant, so the side head protection cushion portion 6 is , It will not match the position of the infant's temporal region. In such a state, the head protection cushion part 7 cannot fully exhibit the role which protects the infant's head part.
In other words, it is arranged in the vicinity of the side jump-out preventing portions 9a and 9b (see FIG. 3), serves to protect the infant's temporal region, and can fix the seated infant at the most effective position. Therefore, the position of the head protection cushion part 7 and the positions of the shoulder band parts 8a and 8b can be adjusted in this way.

  5 and 6, the positional relationship between the back cushion part 3 and the back support part 44 and the head protection cushion part 7 is the same. That is, the pair of cushion part shoulder band first insertion holes 64a and 64b and the support part shoulder band first insertion holes 4a and 4b and the pair of head protection shoulder band first insertion holes 21a and 21b are overlapped to form a pair of cushions. The shoulder belt second insertion holes 65a, 65b and the support shoulder belt second insertion holes 34a, 34b and the pair of head protection shoulder belt second insertion holes 38a, 38b are arranged to overlap each other. The insertion hole (shown as four superimposed holes in the drawing) is a through-hole that passes through the protective cushion part 7, the back cushion part 3, and the back support part 44.

In FIG. 5, the shoulder band portions 8a and 8b pass through the pair of head protection shoulder band second insertion holes 38a and 38b and are arranged on the front side. That is, the shoulder strap portions 8a and 8b pass through the pair of cushion shoulder strap second insertion holes 65a and 65b and the support shoulder strap second insertion holes 34a and 34b and pass through the pair of head protection shoulder strap second insertion holes 38a. , 38b.
In FIG. 6, the shoulder band portions 8 a and 8 b pass through the head protection shoulder band first insertion holes 21 a and 21 b and are arranged on the front side. That is, the shoulder belt portions 8a and 8b pass through the pair of cushion shoulder belt first insertion holes 64a and 64b and the support shoulder belt first insertion holes 4a and 4b, and the head protection shoulder belt first insertion holes 21a and 21b. Placed through.
Therefore, in the seat portion 45, the position of the head protection cushion portion 7 with respect to the back cushion portion 3 is not changed, and the height of the shoulder strap portions 8a and 8b is changed by changing the insertion hole at the position where the shoulder strap portions 8a and 8b are attached. The thickness can be adjusted easily. Therefore, for example, the height of the shoulder bands 8a and 8b can be easily adjusted according to the growth of the infant, which is convenient for the user.
Further, for example, when two or more infants with different body shapes are using the folding stroller 1 in common, the height of the shoulder band portions 8a and 8b is adjusted without changing the position of the head protection cushion portion 7. Is convenient for the user.
Further, as described above, the head protection cushion portion 7 and the heel protection cushion portion 40 have the fixing portions 59a, 59b, 60a, 60b, 61a, 61b, and the like, and are disposed on the seat support portion 13. The fixing portions 57, 57, 58, 58 can be detachably fixed. And since the fixing | fixed part 59a, 59b, 60a, 60b provided in the head protection cushion part 7 is arrange | positioned at 2 steps | paragraphs on the right and left, changing height (refer FIG. 19), shoulder band part 8a, Along with the adjustment of 8b and the height adjustment of the head protection cushion part 7, the fixing position with the seat support part 13 can also be adjusted.

The head protection cushion part 7 of FIGS. 5 and 6 is arranged slightly upward on the backrest cushion part 3 than in the case of FIG. 4. Here, the upward direction is a direction toward the side where the grip portions 2a and 2b are disposed, and the downward direction is a direction toward the side where the wheel portions are disposed.
Therefore, the head protection cushion portion 7 is arranged slightly upward from the position of FIG. 4 in the positional relationship with the heel protection cushion portion 40 arranged on the seat surface portion 12 (see FIG. 3 and the like). The Rukoto. Therefore, when the infant is seated, the head protection cushion part 7 is disposed on the back cushion part 3 at a position slightly higher than that in FIG. Even in such a case, the temporal head protection cushion portion 6 of the head protection cushion portion 7 is surely disposed in the vicinity of the side surface jump prevention portions 9a, 9b, and the head portion of the infant Can be prevented from jumping out sideways, and the head protection cushion portion 6 can reduce injuries in the head portion.

FIG. 7 shows a state in which the head protection cushion portion 7 is arranged further upward in FIGS. 5 and 6. That is, the pair of head protection shoulder band second insertion holes 38 a and 38 b of the head protection cushion part 7, and the pair of cushion part shoulder band first insertion holes 64 a and 64 b and the backrest support part 44 of the back cushion part 3. It is the state arrange | positioned so that the support part shoulder belt 1st insertion holes 4a and 4b may overlap.
Therefore, the pair of head protection shoulder band first insertion holes 21a and 21b of the head protection cushion part 7 are provided with two pairs of insertion holes 64a, 64b, 65a and 65b and a back support part provided in the back cushion part 3. The two pairs of insertion holes 4a, 4b, 34a, and 34b are arranged at portions different from the two pairs. That is, the pair of head protection shoulder band first insertion holes 21 a and 21 b are formed of the pair of cushion part shoulder band first insertion holes 64 a and 64 b and the support part shoulder band first insertion hole 4 a provided in the back cushion part 3. , 4b.

The shoulder band portions 8a and 8b are formed into a pair of cushion portion shoulder band first insertion holes 64a and 64b, a support portion shoulder band first insertion hole 4a and 4b, and a pair of head protection shoulder band second insertion holes 38a and 38b. It is arranged on the front side. The shoulder belt portions 8 a and 8 b can fix the body to the seat portion 45 when the infant is seated.
In FIG. 7, the head protection cushion portion 7 is disposed above the back cushion portion 3. That is, since the head protection cushion part 7 is disposed at a high position from the seat surface part 12, when an infant with a large body is seated, the head protection cushion part 7 can be firmly protected even if the head is relatively upward.

  As described above, the folding stroller 1 according to the present embodiment includes the head protection cushion portion disposed between the back cushion portion 3 of the seat portion 45 and the head portion of the infant on the front side of the back support portion 44. The position of 7 can be adjusted according to the growth and body shape of the infant. Furthermore, the removable back cushion part 3 can be removed, and the head protection cushion part 7 can be arranged on the back support part 44, so that air permeability can be ensured while maintaining the comfort of the infant. It is possible. Also, the height of the shoulder bands 8a and 8b can be adjusted according to the growth of the infant. For this reason, it becomes possible to always use it in the optimal state for the baby's body shape.

Here, the pair of support portion shoulder belt first insertion holes 4a, 4b and the pair of support portion shoulder belt second insertion holes 34a, 34b of the back support portion 44 are a plurality of pairs of shoulder belts provided in the back seat support portion. It is an example of a hole. The pair of head protection shoulder band first insertion holes 21a and 21b and the pair of head protection shoulder band second insertion holes 38a and 38b of the head protection cushion part 7 are provided in the head protection elastic part. It is an example of a plurality of pairs of shoulder band height adjustment holes.
Therefore, the shoulder band portions 8a and 8b are formed by combining these insertion holes 4a, 4b, 34a, 34b, 21a, 21b, 38a, and 38b with a pair of shoulder band portions arranged on the left and right shoulder portions of the infant. The height can be adjusted.
The pair of cushion shoulder belt first insertion holes 64a and 64b and the pair of cushion shoulder belt second insertion holes 65a and 65b of the back cushion portion 3 are an example of a plurality of pairs of shoulder belt through holes of the backrest elastic portion. It has become. Therefore, the shoulder band portions 8a and 8b are further combined by combining these insertion holes 64a, 64b, 65a and 65 with the above-described insertion holes 4a, 4b, 34a, 34b, 21a, 21b, 38a and 38b. The height of the pair of shoulder bands arranged on the left and right shoulders of the infant can be adjusted.
Therefore, the shoulder belt portions 8a and 8b can fix the infant to the seat portion 45 at an optimal position according to the body shape of the infant. Therefore, it is possible to reduce the shaking of the infant's body due to fluctuations caused by unevenness on the road surface during traveling.
Further, the head protection cushion portion 7 can be adjusted in the relative position of the height with respect to the buttock protection cushion portion 40 on the seat surface portion 12 disposed in the seat surface support portion 48. And the head protection cushion part 7 can be arrange | positioned in the optimal position according to a baby's body shape. For this reason, even if the head of an infant rolls and hits the skeleton of a stroller, the shock is reduced and absorbed by the head protection cushion 7, so that the head Injuries and the like can be reduced.

  Next, FIG. 8 to FIG. 10 are schematic explanatory views showing a part of the case in order to explain the case where the top part 23 of the folding stroller 1 of the present embodiment is attached. FIGS. 11 to 13 are schematic explanatory views showing the hood portion 23 in order to explain multi-stage holding positions of the hood portion 23.

  As shown in FIG. 8, the side jump-out preventing portion 9a of the folding stroller 1 is provided with a hood attachment / detachment latch receiving portion 29a, and the hood portion 23 is provided with a hood attachment / detachment portion 42a. . Here, FIG. 8 shows only one side surface of the folding baby stroller 1, but when viewed from the other side surface, the side jump-out preventing portion 9b includes a hood attachment / detachment latch receiving portion 29a. The hood attaching / detaching latch receiving portion 29b is provided, and on the other side of the hood portion 23, a hood attaching / detaching portion 42b similar to the hood attaching / detaching portion 42a is provided. When the user wants to use the hood part 23, the user lifts the hood part 23 up to the vicinity of the grips 2a, 2b of the folding stroller 1 and covers the hood part from the upper part. The hood attaching / detaching portions 42a and 42b are attached to 29a and 29b, respectively.

Next, as shown in FIG. 9, the hood attachment / detachment fixing portion 43a is attached to the second hood portion 27 of the hood portion 23 so as to be detachably attached to the side shaft portions 10a, 10b in the vicinity of the grip portions 2a, 2b. 43b are provided on the left and right. The hood attachment / detachment fixing portions 43 a and 43 b are provided in the vicinity of the end portion in the left-right direction of the second hood portion 27 and on the end side disposed in the vicinity of the backrest support portion 44. That is, the hood attachment / detachment fixing portions 43a and 43b are provided on the left and right sides, and can be fixed so as to be wound around the side surface support portions 10a and 10b in the vicinity of the grip portions 2a and 2b. .
The hood attachment / detachment fixing portions 43a and 43b are, for example, hook-and-loop fasteners, and male and female hook-and-loop fasteners are arranged on the left and right sides of the hood portion 23 so as to be attached so as to be wound. Or the male side and female side, such as a hook and a snap button, may be arranged, and it may be tied to side axis part 10a, 10b with a string.

  And as shown in FIG. 10, the hood position fixing | fixed part 36a is provided in the center part of the upper end part vicinity area | region of the backrest support part 44. As shown in FIG. Further, in the center region from the left and right ends of the second frame portion 25 of the hood portion 23, the hood position fixing portion 36b is located on the left and right ends on the side where the second hood portion 27 is disposed in the vicinity of the back support portion 44. A hood position fixing portion 36c is provided at the center from the top. For example, one of the hood position fixing portions 36a, 36b, and 36c is a protruding button, and the other is a button hole or a loop-shaped locking ring. When the hood position fixing portions 36a and 36b or 36c are hooked and fastened, the hood portion 23 is in a state where the first hood portion 26 is expanded and the second hood portion 27 is folded as will be described later. You can also. In other words, the hood position fixing portions 36a, 36b, and 36c can adjust the position where the hood portion 23 covers. Further, the hood position fixing portions 36a, 36b, and 36c may be hook and loop fasteners.

11 to 13 are schematic explanatory views for explaining that the position where the hood part 23 covers the seat part 45 of the foldable baby stroller 1 can be adjusted in multiple stages, and the hood part 23 is mainly illustrated. .
First, the configuration of the hood part 23 will be described. The hood part 23 has a first hood part 26 and a second hood part 27, and the first hood part 26 is composed of a first skeleton part 24 and a second skeleton part 25. The second hood part 27 covers the region between the second frame part 25 and the gripping parts 2a, 2b, that is, the vicinity of the upper end part of the backrest support part 44 when attached. Be able to. The first hood part 26 has two skeleton parts 24 and 25, and is provided so as to stretch between them. The second hood part 27 has a skeleton part between the first hood part 26 and the first hood part 26. There is only. For this reason, compared with a normal hood part, the hood part 23 of the state of this Embodiment is lightweight. Moreover, the 1st frame part 24 and the 2nd frame part 25 are carrying out the substantially reverse U-shaped shape (refer FIG. 1 etc.), and are an example of a substantially U-shaped frame part. The first hood portion 26 is stretched between the first skeleton portion 24 and the second skeleton portion 25, has a ridge shape between the left and right side shaft portions 10a and 10b, and can cover the seat portion 45. It has become. Here, the 1st top part is an example of the 1st cover part.

FIG. 11 shows a state where the hood part 23 is folded and not used as an awning.
At this position, the two frame parts 24 and 25 are moved closer to each other and moved so as to overlap each other, the first hood part 26 is folded, and the two frame parts 24 and 25 are both held by the gripping part. It is moved to the vicinity of 2a, 2b, that is, to the vicinity of the upper end portion of the backrest support portion 44, and the second hood portion 27 is folded. The hood part 23 is pivoted about the hood attachment / detachment parts 42a and 42b described above, and the two frame parts 24 and 25 are moved to a position in the vicinity of the grip parts 2a and 2b to be folded. That is, the position of the hood portion 23 in this state is an example of a multi-stage holding position.

FIG. 12 shows a state in which the first frame portion 24 is moved to the front side (front side) from the state shown in FIG. That is, when the user moves the first frame portion 24 in the direction of the arrow r1 in FIG. 12 and moves and fixes the hinge 52 in the downward direction r3, the first hood portion 26 can be expanded. In this case, in order to fix at this position, the above-described hood position fixing portions 36a, 36b, and 36c are hooked together.
And in this state, the 2nd top part 27 is accommodated in the state folded in the vicinity of the 2nd frame part 25 and the holding parts 2a and 2b, ie, the upper end part vicinity of the backrest support part 44. . In other words, the position in this state is a position where the second hood part 27 is folded and the first hood part 26 is expanded.
Here, the position where the first hood part 26 is expanded and the second hood part 27 is folded is an example of a multi-stage holding position.

Further, as shown in FIG. 13, the second hood part 27 can be further expanded. In this case, the above-described hood position fixing portions 36a and 36b are unfastened, and the first frame portion 24 is further pulled so that the hood portion 23 covers the front side of the seat portion 45 largely. That is, when the user moves the first frame portion 24 in the direction of the arrow r2 on the drawing, the second hood portion 27 can be expanded.
Although this state is not shown, when viewed from the front side of the foldable baby stroller 1, the hood part 23 covers the upper front side of the seat part 45, and covers the infant's face and upper body part. It can be protected from the sun. Here, the second hood part 27 is an example of a second cover part, and can cover between the upper edge end part of the backrest support part 44 and the second frame part 25. The hood 23 may be fixed in multiple stages using a ratchet type.
The position in this state is a state where both the first hood part 26 and the second hood part 27 are widened, and the state where the hood part 23 is widened most. The position of the hood part 23 in this state is an example of a multi-stage holding position.

In this way, the hood part 23 that is detachably attached to the folding stroller 1 of the present embodiment has the hood attachment / detachment latch receiving parts 29a and 29b disposed on the side surface jump prevention parts 9a and 9b as described above. The hood part 23 can be rotated by the hood attaching / detaching parts 42a and 42b attached to the hood, and the hood part 23 can be expanded or folded as shown in FIGS. can do.
Here, the hood part 23 is an example of a sunshade part, and has a multistage holding position as described above.
For this reason, the user can attach and use the hood part 23 when he / she sits in the folding stroller 1 and wants to avoid sunlight.
Moreover, since the hood part 23 has the holding | maintenance position of a multistep, the position which covers the infant seated in the seat part 45 with the hood part 23 according to the strength of sunlight or the angle of sunlight can be adjusted. It is like that.

In addition, as shown in FIGS. 20 to 22, a viewing window 53 may be provided in a substantially central region of the second hood portion 27 of the hood portion 23. The observation window 53 has a flap portion 54 and a window portion 55. When the observation window 53 is not used, the flap portion 54 is arranged so as to cover the window portion 55. The flap portion 54 can be opened and closed by, for example, two flap portion fixing portions 55a and 55b provided in a peripheral region of the window portion 55.
That is, when the window portion 55 is covered with the flap portion 54, the flap portion 54 is fixed by the flap portion fixing portions 55a and 55b. Moreover, in this state, since the observation window 53 is covered with the flap part 54, the hood part 23 can block sunlight.
When the fixing of the flap fixing portions 55a and 55b is released and the flap portion 54 is turned as shown in FIGS. 20 and 21, the window portion 55 is exposed. In this state, the user can easily observe the state of the infant from the window portion 55 even when the hood portion 23 is attached.
The flap portion 54 may be formed of the same material as the hood portion 23. That is, as shown in FIGS. 20 and 21, the flap portion 54 is preferably made of a flexible material so that it can be rolled up to one side and easily held by the flap portion pressing portion 56. Further, the window portion 55 is formed as a through hole in a substantially square shape in a substantially central region of the second hood portion 27, and a net-like member or a transparent plastic sheet is disposed and formed so as to close the through hole. Yes. The window portion 55 only needs to be configured to be visible so that the state of the seated infant can be seen. Also, since the hood portion 23 is folded, the window portion 55 is flexible enough to be folded. Material is preferred. Since such a peep window 53 is provided, the user can easily observe the state of the infant through the window section 55 of the peep window 53 even when the hood part 23 is attached and used. .

FIG. 14 is a schematic side view illustrating the folding stroller 1 according to the present embodiment from the side view direction, and FIG. 15 illustrates an example of a conventional folding stroller.
As shown in FIG. 14, the rear wheel shaft portion 17a of the foldable baby stroller 1 of the present embodiment is disposed so as to support the side wheel shaft portion 10a and the front wheel shaft portion 14a on the extension of the side surface shaft portion 10a from the rear. Yes.
And the edge part in which the rear-wheel part 19a is provided in the rear-wheel axial part 17a has faced the direction spaced apart from the front-wheel part 18a. The rear wheel shaft portion 17a has a shape having a gentle substantially S-shaped curve in a side view.
On the other hand, as shown in FIG. 15, the conventional foldable baby stroller has a front wheel portion that is provided slightly at the end of the front wheel shaft portion 141a when the rear wheel shaft portion 171a extends from the connecting portion with the front wheel shaft portion 141a. The rear wheel portion 191a is arranged in a direction approaching the front wheel portion 181a.
That is, the space | interval which the rear-wheel part 19a and front-wheel part 18a of the folding stroller 1 of this Embodiment are arrange | positioned becomes large compared with the conventional folding stroller. As shown in the drawing, the distance B between the front wheel portion 18a and the rear wheel portion 19a of the folding baby stroller 1 of the present embodiment is the distance A between the front wheel portion 181a and the rear wheel portion 191a of the conventional folding baby stroller 1. Has been bigger. Here, the case where viewed from one side is described, but when viewed from the other side, the front wheel 18b and the rear wheel 19b, the front wheel shaft 14b, the rear wheel shaft 17b, etc. Each has the same configuration.
Thus, by enlarging the space | interval of the rear-wheel part 19a and the front-wheel part 18a, the gravity center at the time of gripping the holding | gripping part 2a, 2b and making the folding stroller 1 drive | run is too related to the front-wheel part 18a, 18b side. Since the center of gravity of the folding stroller 1 can be set to a low position, the stability can be increased and the usability can be improved.

FIG. 16 is a partial schematic explanatory diagram for explaining the movement of the lateral width holding portion 33, the width holding release lever 32, the rear width support portion 35, and the like when the folding stroller 1 of this embodiment is folded. .
When the user stores or carries the foldable baby stroller 1, first, the width holding release lever 32 is moved from the right rear wheel shaft portion 17a side to the left rear wheel shaft portion 17b side with a foot or the like. Kick. Then, for example, the width holding means provided at the substantially central portion in the width direction of the horizontal width holding portion 33 is released, and the horizontal width holding portion 33 can be bent in the substantially central region in the width direction.
At this time, the lateral width holding portion 33 is pushed up in the direction of the arrow x3 in the drawing, with the substantially central portion in the width direction being upward. Then, the back surface width support part 35 moves to a center part so that the two support | pillars may each approach. Accordingly, the left and right rear wheel shaft portions 17a and 17b also come closer to each other in the direction of narrowing the width. That is, the two pillars of the back surface width support portion 35, the left and right rear wheel shaft portions 17a and 17b, and the left and right rear wheel portions 19a and 19b move in the directions of the arrows x1 and x2 on the drawing. Thus, the folding stroller 1 is folded with its width narrowed.
Here, since the width release holding lever 32 is provided with a resin portion having a shape on the tongue at the tip, when the user wants to fold the folding stroller 1, the tip is kicked with a foot or the like. When you release, do not slip. For this reason, even in a situation where an infant is held with one hand and needs to be folded, the horizontal holding portion 33 can be easily released and folded.

Next, as shown in FIG. 17, the user holds either of the grip portions 2a and 2b and moves the grip portions 2a and 2b so as to rotate in the direction of the front wheel portions 18a and 18b.
That is, the user moves the gripping portions 2a and 2b in the direction of the arrow x4 in the drawing so that the gripping portions 2a and 2b are brought closer to the direction of the front wheel portions 18a and 18b. In this way, the folding stroller 1 can be accommodated in a compact manner. In the present embodiment, the gripping portions 2a and 2b are held and the gripping portions 2a and 2b are rotated in the direction of the front wheel portions 18a and 18b. Conversely, the front wheel shaft portions 14a and 14b are held, It is the same even if it folds so that it may approach the holding parts 2a and 2b.
Further, the user can hold the moving band 51 shown in FIG. 2 and fold the moving band 51 close to the grips 2a and 2b and fold it. According to this method, the user can fold the foldable stroller 1 without squatting, which is convenient when the user is tall or holding a baggage.
At this time, the self-supporting stand portion 31 is lowered in such a manner that it is on the same plane as the left and right rear wheel portions 19a and 19b and supports the folded folding stroller 1 so that it can stand and be stored independently. Yes. That is, the foldable baby stroller 1 according to the present embodiment is configured to support the weight of the foldable baby stroller 1 by the pair of rear wheel portions 19a and 19b and the self-supporting stand portion 31, and can be accommodated independently. .
Thus, the folding stroller 1 of the present embodiment can be folded and accommodated in a compact manner, and can also be accommodated independently.
Further, the folding stroller 1 of the present embodiment is called an umbrella type or compact, lightweight, and portable because the gripping portions 2a and 2b are shaped like an umbrella handle when folded. However, it may be referred to as a buggy-type stroller because the space to be accommodated may be small.

  The present invention is not limited to the above-described embodiment.

It is a schematic perspective view which shows the main structures of the foldable baby stroller concerning this Embodiment. It is a schematic back view which shows the main structures of the foldable baby stroller concerning this Embodiment. FIG. 3 is a schematic perspective view of the foldable baby stroller in a state in which a hood part and a forward-falling prevention part in FIGS. 1 and 2 are removed. It is a schematic explanatory drawing for demonstrating the relationship between the head protection cushion part of FIG. 3, a buttocks protection cushion part, etc., and a backrest cushion part and a backrest support part. It is a schematic explanatory drawing for demonstrating the relationship between the head protection cushion part of FIG. 3, a buttocks protection cushion part, etc., and a backrest cushion part and a backrest support part. It is a schematic explanatory drawing for demonstrating the relationship between the head protection cushion part of FIG. 3, a buttocks protection cushion part, etc., and a backrest cushion part and a backrest support part. It is a schematic explanatory drawing for demonstrating the relationship between the head protection cushion part of FIG. 3, a buttocks protection cushion part, etc., and a backrest cushion part and a backrest support part. It is a schematic explanatory drawing for demonstrating the state which attaches a hood part to the folding stroller of FIG. It is a schematic explanatory drawing for demonstrating the state which attaches a hood part to the folding stroller of FIG. It is a schematic explanatory drawing for demonstrating the state which attaches a hood part to the folding stroller of FIG. It is a schematic explanatory drawing for demonstrating the use condition of a hood part. It is a schematic explanatory drawing for demonstrating the use condition of a hood part. It is a schematic explanatory drawing for demonstrating the use condition of a hood part. It is a schematic side view of the folding stroller according to the present embodiment. It is a schematic side view of the conventional folding stroller. It is a schematic explanatory drawing for demonstrating the folded state of the folding stroller concerning this Embodiment. It is a schematic explanatory drawing for demonstrating the folded state of the folding stroller concerning this Embodiment. It is a schematic explanatory drawing of the fixing | fixed part which fixes a head protection cushion part and a buttocks protection cushion part to a seat support part. It is a schematic explanatory drawing of the fixing | fixed part fixed to the seat support part provided in the back surface side of the head protection cushion part and the buttocks protection cushion part. It is a schematic explanatory drawing of the observation window provided in the hood part of the folding stroller concerning this Embodiment. It is a schematic explanatory drawing of the observation window provided in the hood part of the folding stroller concerning this Embodiment. It is a schematic explanatory drawing of the observation window provided in the hood part of the folding stroller concerning this Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Folding stroller, 2a, 2b ... Grasping part, 3 ... Back cushion part, 4a, 4b ... Support part shoulder belt 1st insertion hole, 5 ... Back head protection cushion part, 6 ... side head protection cushion part, 7 ... head protection cushion part, 8a, 8b ... shoulder band part, 9a, 9b ... side jump-out prevention part, 10a, 10b ... side face Shaft part, 11 ... Recumbent part protection part, 12 ... Seat surface part, 13 ... Seat support part, 14a, 14b ... Front wheel shaft part, 15 ... Bottom width support part, 16 ... Foot rest, 17a, 17b ... rear wheel shaft, 18a, 18b ... front wheel, 19a, 19b ... rear wheel, 20 ... front crotch, 20a ... front crotch insertion Part, 21a, 21b ... head protection shoulder belt first insertion hole, 22 ... forward fall prevention part, 23 ... top part, 24 ... first Frame part, 25 ... second frame part, 26 ... first hood part, 27 ... second hood part, 28 ... hood width adjustment part, 29a, 29b ... Part 30 .. container part 31 .. self-supporting stand part 32... Width holding release lever 33... Width holding part 34 a, 34 b. ... back width support part, 36a, 36b, 36c ... hood position fixing part, 37 ... hood attachment part, 38a, 38b ... head protection shoulder band second insertion hole, 39 ... collar Center protective part, 40... Butt protection cushion part, 41... Connecting part, 42 a, 42 b ... hood attaching / detaching part, 43 ... hood attaching / detaching fixing part, 44. -Seat part, 46a, 46b ... waistband part, 47 ... elastic seat part, 48 ... seat surface support part, 49 ... removable Parts, 64a, 64b ··· cushion portion shoulder girdle first insertion hole, 65a, 65b ··· cushion portion shoulder girdle the second insertion hole

Claims (5)

A seat where an infant rides;
A pair of shoulder bands for regulating the left and right shoulders from the back when the infant gets on board,
A skeleton part that supports the seat part;
A rotatable wheel portion having a pair of front wheel portions and a pair of rear wheel portions;
A pair of grips for the user to operate,
The seat portion has a removable elastic seat portion having impact relaxation properties on which the infant is seated, and a seat support portion that supports the elastic seat portion,
The elastic seat portion includes at least a head protection elastic portion that protects the head portion of the infant and a buttocks protection elastic portion that protects the buttocks portion of the infant,
The seat support elastic part is provided with the head protection elastic part, and when the infant is seated, a back seat support part that supports a back side of the infant and the buttocks protection elastic part is arranged, and the infant And a buttocks seat support portion that supports the buttocks side of the infant when seated,
The skeleton part is
A pair of side shafts extending mainly from the pair of gripping portions and mainly supporting the back seat support portion;
A pair of front wheel shaft portions that support the front wheel portion; and a pair of rear wheel shaft portions that support the rear wheel portion;
The width of the pair of front wheel shaft portions and the width of the pair of rear wheel shaft portions are held by the width of the buttocks seat support portion when used, and when folded, the width of the pair of front wheel shaft portions and the pair of rear wheel shaft portions A bottom surface arrangement frame portion held in a state of narrowing the width;
The pair of side shaft portions and the pair of rear wheel shaft portions are held by the width of the back seat support portion when used, and when folded, the pair of side shaft portions and the pair of rear wheel shaft portions are narrowed. And a back-arranged skeleton part held by
The pair of shoulder belt portions includes a plurality of pairs of shoulder belt holes provided in the back seat support portion and a plurality of pairs of shoulder belt height adjustment holes provided in the head protection elastic portion. It can be adjusted according to the baby's body shape,
The head protection elastic part is capable of adjusting the relative position of the height with respect to the buttocks seat support part in conjunction with the adjustment of the pair of shoulder bands.
A foldable baby stroller. The elastic seat portion is disposed between the back seat support portion and the head protection elastic portion, and a back elastic portion that elastically supports the back side of the seated infant, and the buttocks seat A seat surface elastic part that is disposed between a support part and the buttocks protective elastic part and elastically supports the buttocks side of the seated infant;
The backrest elastic part has a plurality of pairs of shoulder band holes provided at positions corresponding to the plurality of pairs of shoulder band holes of the back seat support part. A pair of the shoulder belt portions are passed through the pair of shoulder belt passage holes, and the pair of shoulder belt portions are adjustable by a plurality of pairs of the shoulder belt height adjustment holes. The folding stroller according to claim 1.   The pair of side shaft portions is provided with a jump-out preventing portion for preventing the head portion of the infant from jumping out in the lateral direction, and the head protection elastic portion is a portion of the temporal portion of the infant. A pair of temporal protection elastic portions for protecting the temporal protection, and the temporal protection elastic portions are arranged in the vicinity of the pop-out prevention portion. The foldable baby stroller according to claim 1 or 2. It has a sunshade part that can be detachably attached to the vicinity of the pair of gripping parts and the pair of jump-out prevention parts,
The sunshade is attached in the vicinity of at least two substantially inverted U-shaped bone parts, a first covering part stretched between the substantially inverted U-shaped bone parts, and a pair of the gripping parts, A second cover portion covering between the inverted U-shaped bone portion and the vicinity of the upper edge portion of the backrest elastic portion, and is rotatable at an attachment position of the sunshade portion of the pop-out preventing portion. The at least one second cover part of the sunshade part is folded and has a multi-stage holding position including a position where the first cover part is held in an unfolded state. The foldable baby stroller according to any one of claims 1 to 3. The rear wheel shaft part is continuously provided so as to support the front wheel shaft part provided on the extension of the side shaft part and the side shaft part from the rear,
An end portion of the rear wheel shaft portion where the rear wheel portion is provided faces in a direction away from the front wheel portion, and the rear wheel shaft portion has a shape having a gentle S-shaped curve in a side view. The foldable baby stroller according to any one of claims 1 to 4, wherein the foldable baby stroller is provided.

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