WO2020101113A1

WO2020101113A1 - Infant stroller wagon

Info

Publication number: WO2020101113A1
Application number: PCT/KR2018/016402
Authority: WO
Inventors: 임재국
Original assignee: 주식회사 제이엠아이엔티엘
Priority date: 2018-11-13
Filing date: 2018-12-21
Publication date: 2020-05-22
Also published as: KR102012369B1

Abstract

The present invention relates to an infant stroller wagon capable of carrying an infant and moving, the infant stroller wagon comprising: a seat unit which an infant gets in, and of which one side surface extends outwards; a frame unit which forms the frame of the infant stroller wagon while supporting the seat unit from below and from the sides of the seat unit, and of which one end that supports the seat unit from below extends outwards; and a wheel unit having front wheels provided below the front end of the frame unit, and rear wheels provided below the rear end of the frame unit. Accordingly, as the length of the seat unit and the length of a bottom frame that supports the seat unit from below are extended in accordance with the number of infants in the seat unit, the boarding space can easily be expanded and reduced. In addition, when the frame unit is folded for storage of the infant stroller wagon, the rear wheels slide in the direction of the front wheels such that the storage space required for the infant stroller wagon can be reduced.

Description

Baby wagon

The present invention relates to a wagon for infants, and more particularly, to a wagon for infants that can be moved while boarding an infant or toddler, and can be easily stored and stored in a narrow space by reducing the volume during storage and storage.

Referring to the background technology described in Korean Patent Registration No. 10-1626778, the wagon in the form of a handcart, which has enough storage space compared to a baby stroller and has the advantage of being able to pick up and go out with 2 to 3 infants by himself / herself. With the word of mouth quickly becoming commonplace through the word of mouth, various types of wagons for infants are being released as the proportion of them as a means of transportation for infants gradually increases.

However, the existing wagon for infants has a problem that it is difficult to control when driving because the length of the battlefield is long and the radius of rotation is large, and the storage space cannot be expanded or reduced to suit the number of infants on board or when carrying infants or carrying heavy objects. .

In addition, when folding the infant wagon, the space between the front and rear wheels could not be adjusted, so that the folded wagon was erected and stored in a space smaller than the distance between the front and rear wheels. There was a problem that could not accommodate the old wagon.

The present invention was created to solve the above problems, and adjusts the length of the battlefield in a structure that extends the length of the floor frame supporting the seat portion and the seat portion from which the infant rides in response to the number of infants on board. It is easy to control when driving, and its purpose is to provide an infant wagon that can adjust the gap between the front and rear wheels when folding the wagon.

In order to achieve the above object, the present invention is an infant wagon capable of carrying and moving infants and toddlers, comprising: a seat portion in which an infant is on board and one side extends outward; A frame portion that forms the skeleton of the wagon while supporting the seat portion from the bottom and side, and one end supporting the seat portion from the bottom extends outward; And a wheel portion comprising a front wheel provided at a lower front end of the frame portion and a rear wheel provided at a lower rear portion of the frame portion.

In the wagon for infants according to the present invention, the frame portion is connected to a bottom frame supporting the seat portion from the bottom, a front wheel frame connected to the front end of the bottom frame and the front wheel wheels connected to both sides, and a rear end of the bottom frame. On both sides, a rear wheel frame to which the rear wheel wheels are connected, a push rod frame connected to the rear wheel frame and rotatably mounted with a handle gripped by a driver, and a connection frame to rotatably connect the push rod frame and the rear wheel frame It can contain.

The bottom frame may include a left frame and a right frame that are spaced apart, and the first fastening groove and the second fastening groove to which the left frame and the right frame are fastened, respectively, are spaced apart from the front frame and the rear frame. Can be formed.

The left frame may have a square plate shape, and may include a first left frame fastened to the rear wheel frame and a second left frame fastened to the front wheel frame and having a thickness thinner than the first left frame, A first slide movement groove in which the second left frame slides may be formed in the longitudinal direction of the first left frame.

The right frame may have a rectangular plate shape, and may include a first right frame fastened to the rear wheel frame, and a second right frame fastened to the front wheel frame and having a thickness thinner than the first right frame, A second slide movement groove in which the second right frame slides may be formed in the longitudinal direction of the first right frame.

The front wheel frame is a front wheel horizontal frame connecting the left frame and the right frame spaced apart, a first front wheel connecting frame mounted on one end of the front wheel horizontal frame and provided with front wheels at the bottom, and the first front wheel It may be mounted on the other end of the horizontal frame corresponding to the connection frame and the lower portion may include a second front wheel connection frame provided with front wheels.

A first mounting protrusion and a second mounting protrusion mounted on the front wheel horizontal frame may be formed on one surface of the first front wheel connecting frame and the second front wheel connecting frame, respectively, and the first mounting may be provided at both ends of the front wheel horizontal frame. An insertion groove into which the protrusion and the second mounting protrusion are inserted may be formed.

A circumferential surface of the horizontal frame of the front wheel may be provided with an intermittent member for controlling the detachment of the first mounting projection and the second mounting projection mounted on both ends of the front wheel horizontal frame.

The first front wheel connecting frame and the second front wheel connecting frame rotatably support the front wheel and a support frame provided with a bearing member therein, and a drive shaft coupled to the support frame and coupled to the plurality of bearing members inside. It may include a mounting frame provided, the first mounting projection and the second mounting projection may be formed on one surface of the mounting frame.

A fixing means for fixing the drive shaft coupled to the bearing member may be provided inside the support frame, and a tapered roller bearing may be used as one of the plurality of bearing members.

The rear wheel frame is a rear wheel horizontal frame that connects the left frame and the right frame that are spaced apart, and a first rotation frame that is rotatably mounted at one end of the rear wheel horizontal frame and is provided with a rear wheel at the lower portion. It may have a shape corresponding to the first rotating frame, and may include a second rotating frame equipped with a rear wheel and rotatably mounted at the other end of the horizontal frame of the rear wheel, and the push frame in the first rotating frame and the second rotating frame. And the connection frame that is rotatably connected may be connected.

The rear wheel frame is connected to the first rotation frame, the second rotation frame, and the push rod frame, and when the push rod frame rotates, the first rotation frame and the second rotation frame are rotated in the direction of the front wheel to rotate with the rear wheel. The front wheel may further include an auxiliary connection frame that narrows the gap.

The push rod frame is provided as an upper portion of the bottom frame, and the first push rod frame is pivotally connected to the connecting frame and the handle is connected to the other end, and the first push rod frame is rotatably connected to the connecting frame. It may be connected to one end of the second frame is provided on the lower portion of the bottom frame and connected to the auxiliary connection frame, the second push frame is rotatably the second connecting frame to the second push frame A binding member for fastening may be provided.

The pushing frame and the connecting frame can be slidably connected by a connecting member, the connecting member is provided on the connecting frame and the first connecting member is rotatably coupled to the first pushing frame, and the first The second connecting member is provided on the push rod frame and one end of the connecting frame is rotatably coupled, and the third connecting member is hingedly coupled to the second connecting member and the other end is rotatably connected to the end of the connecting frame. It may include.

The rear wheel frame is provided on the circumferential surface of the horizontal frame of the rear wheel and is connected to the rear wheel to rotate the rear wheel horizontal frame, the first rotating frame, and the second rotating frame to brake the rear wheel when the driver applies a load. It may further include a foot brake.

The first rotating frame and the second rotating frame may be rotatably connected to the rear wheel, and the first rotating frame and the second rotating frame may be provided with stop protrusions, and a circumferential surface of the rear wheel may rotate. A plurality of insertion holes into which the stopper is inserted may be formed.

The seat portion has a quadrangular shape and a seat frame supported by the frame portion, a sealing member mounted to the seat frame and extending to a lower portion of the seat frame to seal the circumferential surface and the lower portion of the seat frame, and the sealing member It may be provided on the lower surface and may include a sealing plate seated on the upper surface of the floor frame.

The seat frame may be provided with a fixing groove fixing the seat frame to the frame portion, and the seat frame may be seated on the push frame and the connecting member, and seating protrusions in close contact with the fixing groove may be formed.

The seat frame may include a first seat frame fixed to the push frame and the connection frame, and a second seat frame extendably provided at one end of the first seat frame, and the fixing groove may include the first seat frame. It may be provided on one side of the seat frame.

Both sides of the sealing member may be folded so that the extended side of the seat frame has a "N" shape when returning to the original shape, and fixing members for fixing the folded portion may be provided on both sides of the sealing member.

The sealing plate member is hinged to the first sealing plate member, which is seated on the upper portion of the bottom frame of the frame, and when the bottom frame is elongated and positioned adjacent to the first sealing plate member, the bottom frame is returned to its original shape. The second hermetic plate may include a second hermetic plate and a third hermetic plate that is hinged to the second hermetic plate and is positioned adjacent to or located below the second hermetic plate.

The second hermetic plate and the third hermetic plate may have the same size, and the hermetic plate may be folded to have a “Z” shape when folded.

The wagon for infants according to the present invention can easily enlarge and reduce the boarding space by extending the length of the seat frame and the bottom frame supporting the seat part from the bottom according to the number of infants boarding the seat, for storage and storage When the frame portion is folded, the storage and storage space can be reduced by sliding the rear wheels toward the front wheels.

1 is a view schematically showing the configuration of a wagon for infants according to an embodiment of the present invention.

2 and 3 are views illustrating a state in which the seat portion mounted on the frame portion shown in FIG. 1 is extended to one side.

FIG. 4 is a partially cut-away view of the front wheel shown in FIG. 1.

5 is an enlarged view illustrating a state in which the seat frame is seated on the frame portion shown in FIG. 1.

6 is a view showing a state in which the sealing member mounted on the seat frame and the sealing plate provided on the lower surface of the sealing member are cut off.

7 is a view partially cut through the sealing member and the sealing member of the sheet portion shown in FIG.

8 to 10 are views sequentially showing a state in which the wagon for infants is folded according to an embodiment of the present invention with the sealing member detached.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, the terms or words used in the present specification and claims should not be interpreted as being limited to ordinary or dictionary meanings, and the inventor appropriately explains the concept of terms in order to explain his or her invention in the best way. Based on the principle that it can be defined, it should be interpreted as meanings and concepts consistent with the technical spirit of the present invention.

1 to 9, the wagon 10 for infants according to an embodiment of the present invention is intended to be easily moved after boarding an infant, the seat portion 100, the frame portion 200, and the wheel portion 300. Includes.

The seat portion 100 is a space where infants and toddlers board, and when an infant or toddler does not board, it is possible to carry an object, and one side of the seat portion 100 preferably has a structure in which the length is extended outward. .

The seat portion 100 is supported by the lower and side surfaces of the frame portion 200, the frame portion 200 forms the skeleton of the wagon 10 for infants according to an embodiment of the present invention, the seat portion ( It is preferable that one end supporting 100) has a structure in which the length is extended outward.

1 to 3, the frame part 200 includes a bottom frame 210, a front wheel frame 220, a rear wheel frame 230, a push frame 240, a connecting frame 250, and a connecting member 260 ), The floor frame 210 is provided on the lower portion of the seat portion 100 is loaded or loaded with infants and young children serves to support the seat portion 100 from the bottom.

The bottom frame 210 includes a left frame 211 and a right frame 215 that are spaced apart, and the left frame 211 and the right side of the front frame 220 and the rear frame 230, respectively. The first fastening groove 220a to which the frame 215 is fastened is formed to be spaced apart from the second fastening groove 230a.

The left frame 211 has a rectangular plate shape, and includes a first left frame 212 and a second left frame 213. The first left frame 212 has one end fastened to the second fastening groove 230a of the rear wheel frame 230, and the second left frame 213 is thinner than the first left frame 212. Has one end is fastened to the first fastening groove (220a) of the front wheel frame 220. The other end of the second left frame 213 slides inside the first left frame 212, and the second left frame 213 slides inside the first left frame 212. It is preferable that a one-slide moving groove (not shown) is formed.

The right frame 215 also has the same rectangular plate shape as the left frame 211, and includes a first right frame 216 and a second right frame 217. The first right frame 216 has one end fastened to the second fastening groove 230a of the rear wheel frame 230, and the second right frame 217 has a thickness thinner than that of the first right frame 216. Has one end is fastened to the first fastening groove (220a) of the front wheel frame 220. The other end of the second right frame 217 slides inside the first right frame 216, and the second right frame 217 slides inside the first right frame 216. It is preferable that a two-slide moving groove (not shown) is formed.

The front wheel frame 220 is connected to the front end of the bottom frame 210 and is provided with front wheels 310 of the wheel part 300 on both side surfaces, and the rear wheel frame 230 of the bottom frame 210 It is connected to the rear end and is provided with rear wheels 320 of the wheels 300 on both sides.

The front wheel frame 220 includes a front wheel horizontal frame 221, a first front wheel connecting frame 222, and a second front wheel connecting frame 223. The horizontal frame 221 of the front wheel connects the left frame 211 and the right frame 215 spaced apart.

A first front wheel connecting frame 222 is mounted at one end of the horizontal frame 221 of the front wheel, and a second front wheel connecting frame 223 is mounted at the other end, and the first front wheel connecting frame 222 and the second front wheel are connected. The frame 223 is provided with front wheels 310 of the wheel portion 300.

4, the second front wheel connecting frame 223 includes a support frame 233a and a mounting frame 223b. The support frame 223a rotatably supports the front wheel 310 and a plurality of bearing members B are preferably disposed therein. The mounting frame 223b is preferably coupled to the support frame 223a and is provided with a drive shaft C coupled to the plurality of bearing members B therein.

A second mounting protrusion 223c mounted on the front wheel horizontal frame 221 is formed on the mounting frame 223b of the second front wheel connecting frame 223, and the second end is disposed at both ends of the front wheel horizontal frame 221. An insertion groove 221a into which the mounting projection 223c is inserted is formed.

It is preferable that the first front wheel connecting frame 222 also includes a supporting frame and a mounting frame, and the supporting frame and the mounting frame are supported frames 233a and mounting frames of the second front wheel connecting frame 223 ( 223b), detailed description thereof will be omitted.

On the circumferential surface of the horizontal frame 221 of the front wheel, an intermittent member 221b for controlling the detachment of the first mounting projection (not shown) and the second mounting projection 223c mounted on both ends of the horizontal frame 221 of the front wheel. It is preferable to be provided, and the first front wheel connecting frame 222 and the second front wheel connecting frame 223 are easily detachable from the horizontal frame 221 of the front wheel after the user presses the intermittent member 221b. do.

Preferably, a fixing means (F) for fixing the drive shaft (C) coupled to the bearing member (B) is provided inside the support frame (223a), and one of the plurality of bearing members (B) is horizontal It is preferable to use a tapered roller bearing (B1) resistant to directional loads and longitudinal loads. The tapered roller bearing B1 composed of two parts has a problem that clearance occurs between parts when the drive shaft C is detached, so the first front wheel connecting frame 222 and the front wheel ( 310) and the second front wheel connecting frame 223 and the front wheel 310 are preferably formed integrally rather than detachable.

Referring to FIG. 1, the rear wheel frame 230 includes a rear wheel horizontal frame 231, a first rotation frame 232, a second rotation frame 233, and an auxiliary connection frame 234, wherein The first rotating frame 232 and the second rotating frame 233 are connected to a push frame 240 and a connection frame 250 rotatably connected to it.

The horizontal frame 231 of the rear wheel connects the left frame 211 and the right frame 215 which are spaced apart, and the first rotation is provided with rear wheels 320 at both ends of the horizontal frame 231 of the rear wheels. It is preferable that the frame 232 and the second rotation frame 233 are rotatably mounted, and that the first rotation frame 232 and the second rotation frame 233 have corresponding shapes.

The auxiliary connection frame 234 is connected to the first rotating frame 232, the second rotating frame 233, and the pushing frame 240, and when the pushing frame 240 is rotated, the first rotating frame 232 ) And rotates the second rotation frame 233 in the direction of the front wheel 310 to narrow the gap between the front wheel 310 and the rear wheel 320. As the auxiliary connection frame 234 is connected to the first rotation frame 232 and the second rotation frame 233 and the push frame 240 to connect to the infant wagon 10 according to the present invention When folded, the space between the front wheel 310 and the rear wheel 320 is narrowed to reduce the storage space.

The rear wheel frame 230 is connected by a push rod frame 240 and a connection frame 250, and it is preferable that the handle 242a gripped by a driver is rotatably provided on the push rod frame 240.

The push frame 240 includes a first push frame 242 and a second push frame 244. The first push frame 242 is provided as an upper portion of the bottom frame 210, one end is rotatably connected to the connection frame 250, and the other end is provided with the handle 242a, which the driver grips.

The auxiliary connection frame 234 is provided below the bottom frame 210 and is connected to one end of the first push frame 242 that is rotatably connected to the connection frame 250, and the push frame 240 ) Is connected to the auxiliary connecting frame 234, which serves to narrow the gap between the front wheel 310 and the rear wheel 320 when rotated. The second push frame 244 is provided with a binding member 244a, and the binding member 244a serves to rotatably fasten the auxiliary connection frame 234 to the second push frame 244. .

The connection frame 250 serves to pivotably connect the first rotation frame 232 and the second rotation frame 233 to the push frame 240, and the push frame 240 and the connection frame 250 is slidably connected to the slide using the connecting member 260.

The connecting member 260 includes a first connecting member 262, a second connecting member 264, and a third connecting member 266. The first connecting member 262 is provided on the connecting frame 250, the first connecting frame 242 is rotatably coupled to the first connecting member 262, and the second connecting member 264 Is provided on the first push frame 242, and one end of the connection frame 250 is rotatably connected to the second connection member 264.

One end of the third connection member 266 is hinged with the second connection member 264 and the other end of the third connection member 266 is rotatably connected to the end of the connection frame 250.

It is preferable that a locking member 242b is provided on the circumferential surface of the first push frame 242. The first push frame 242 is rotatably coupled to the first connecting member 262, wherein the first push frame 242 is on the rear of the rear wheel wheel 320, which is a rear end of the frame part 200. At the time of positioning, one end of the first push frame 242 is in close contact with the first connecting member 262 so that the first push frame 242 does not rotate. When the user pulls the locking member 242b in the direction of the handle 242a, the first push frame 242 is released while the contact between the end of the first push frame 242 and the first connecting member 262 is released. The external force of the user rotates in the direction of the front wheel 310, which is the front end of the frame part 200.

The rear wheel frame 230 may further include a foot brake 235, and the foot brake 235 is preferably provided on a circumferential surface of the horizontal frame 231 of the rear wheel. The foot brake 235 is connected to the rear wheel wheel 320, and when the driver applies a load and presses, the horizontal frame 231 of the rear wheel, the first rotating frame 232, and the second rotating frame 233 rotate. do. The first wheel frame 232 and the second rotation frame 233 are rotatably connected to the rear wheel 320, and stops provided in the first rotation frame 232 and the second rotation frame 233 The projection (not shown) is inserted into a plurality of insertion holes (not shown) formed on the circumferential surface of the rear wheel 320 in the rotational direction, so that the rear wheel 320 is braked.

The seat portion 100 is seated on the upper portion of the bottom frame 210 of the frame portion 200, and the seat portion 100 can be loaded or loaded by an infant and one side of the seat portion 100 is outside. It is preferred to have a structure that is stretched.

1 and 7, the seat portion 100 includes a seat frame 110, a sealing member 120, and a sealing plate 130, and the seat frame 110 has a rectangular shape. It is connected to the push rod frame 230 and the connection frame 250 of the frame part 200.

The sealing member 120 is mounted on the seat frame 110, the sealing member 120 is mounted on the seat frame 110 and extends to the lower portion of the seat frame 110, the sealing member 120 ), The circumferential surface and the lower portion of the seat frame 110 are sealed.

The sealing member 120 is provided with a hook (H), by the hook (H) the sealing member 120 is easily mounted on the seat frame 110, the sealing member 120 is also the bottom It is preferable to have a structure that extends in the same way as the frame 210 and the seat frame 110.

Referring to Figure 6, both sides of the sealing member 120, the seat frame 110 is extended, when one side is folded so as to have a "N" shape from the front end to the rear end to return to the original shape.

* It is preferable that the fixing member 120a for fixing the folded portion is provided on both sides of the sealing member 120, and the fixing member 120a is preferably a velcro tape commonly used in the market, It is not limited to this, and a snap button for fixing a tightly-contacted portion may be used.

The sealing member 120 is provided with a sealing plate 130 on the lower surface, and the sealing plate 130 is seated on the upper surface of the bottom frame 210 provided to be spaced apart from the infant and the luggage. To smoothly board or load on the upper portion of the floor frame 210.

The sealing plate 130 includes a first hermetic plate 132, a second hermetic plate 134, and a third hermetic plate 136. The first hermetic plate 132 is seated on an upper portion of the bottom frame 210 of the frame part 200, and is preferably seated on a rear end side of the bottom frame 210.

The first hermetic plate 132 is hinged to the second hermetic plate 134, and the second hermetic plate 134 is adjacent to the first hermetic plate 132 when the bottom frame 210 is extended. It is located and the bottom frame 210 is overlapped while it is located under the first sealing plate 132 when it returns to its original shape.

The second hermetic plate 134 is hinged to the third hermetic plate 136, and the third hermetic plate 136 is adjacent to the second hermetic plate 134 when the bottom frame 210 is extended. The bottom frame 210 is overlapped while it is located under the second sealing plate 134 when it returns to its original shape.

Folding of the first hermetic plate 132, the second hermetic plate 134 and the third hermetic plate 136 is made by an external force of the user, and the second hermetic plate and the third hermetic plate are the same Preferably, the size of the first hermetic plate 132, the second hermetic plate 134, and the third hermetic plate 136 is preferably folded to have a “Z” shape when folded.

Referring to FIG. 5, it is preferable that a fixing groove 110a for fixing the seat frame 110 to the frame part 200 is formed in the seat frame 110, and the push frame of the frame part 200 is formed. The seat frame 110 is seated on the 240 and the connecting member 260, and

seating protrusions

240a and 260a are in close contact with the fixing groove 110a.

The seat frame 110 is not limited to the formation of the fixing grooves 110a seated on the

seating projections

240a and 260a, and the fixing projections (not shown) protrude downwards to form the seating projections 240a and 260a. ) By being in close contact, the seat frame 110 is fixed to the frame part 200.

The seat frame 110 includes a first seat frame 112 and a second seat frame 114. The first seat frame 112 is fixed to the push rod frame 240 and the connecting frame 250, and the second seat frame 114 can be extended outward from one end of the first seat frame 112. It is provided. One end of the second seat frame 114 is slidably inserted into the first seat frame 112 so that the second seat frame 114 is at one end of the first seat frame 112 by external force. It becomes stretchable.

The seating groove (110a) and the fixing protrusion (not shown) is preferably formed in the first seat frame 112, the first seat frame 112 is fixed to the frame portion 200 and the first 2 As the seat frame 114 is extended from the first seat frame 112, the seat frame 110 is extended to one side, so that a boarding space for infants and young children and a space for carrying luggage are expanded.

8 to 10 shows a state in which the wagon 10 for infants according to an embodiment of the present invention is folded, and when the user rotates the push bar frame 240 provided with the handle 242a, the second push bar frame 244 ) And the first rotating frame 232 and the second rotating frame 233 connected to the auxiliary connecting frame 234 while rotating to the front end of the bottom frame 210 while the binding member 244a is fastened to the The rear wheels 320 are moved to the front end. When the rear wheel wheel 320 is moved to the front end and the push rod frame 240 is folded in the front end direction, the push rod frame 240 is positioned at the top of the front wheel wheel 310 and moves downward, thereby providing the present invention. When the infant wagon 10 is folded in volume, the folding operation is completed, and when the handle 242a provided rotatably in the first push frame 242 is rotated in the direction of the front wheel 310, the folded infant is used. The volume of the wagon 10 is further reduced.

Accordingly, the length of the floor frame 210 supporting the seat portion 100 and the seat portion 100 from the lower portion is increased to fit the number of infants boarding the seat portion 100, so that the boarding space can be easily enlarged and reduced. When folded for storage and storage, the rear wheel wheel 320 slides toward the front wheel wheel 310 to reduce storage and storage space.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

The present invention can be used in infant wagons.

Claims

In the infant wagon for carrying infants,

Infants and infants board portion is one side is extended to the outside;

A frame portion that forms the skeleton of the wagon while supporting the seat portion from the bottom and side, and one end supporting the seat portion from the bottom extends outward; And

Infant wagon comprising a wheel portion consisting of a front wheel provided on the lower front end of the frame portion and a rear wheel provided on the lower rear portion of the frame portion.
The method according to claim 1,

The frame portion,

And a bottom frame for supporting the seat portion from the bottom,

A front wheel frame connected to the front end of the bottom frame and the front wheel wheels connected to both sides;

A rear wheel frame connected to the rear end of the bottom frame and the rear wheel wheels connected to both sides;

A push rod frame which is connected to the rear wheel frame and which a handle gripped by a driver is rotatably mounted;

Infant wagon comprising a connecting frame for rotatably connecting the push rod frame and the rear wheel frame.
The method according to claim 2,

The bottom frame,

It includes a left frame and a right frame spaced apart,

In the front wheel frame and the rear wheel frame, the first fastening groove and the second fastening groove to which the left frame and the right frame are fastened are formed to be spaced apart, respectively.
The method according to claim 3,

The left frame has a rectangular plate shape,

A first left frame fastened to the rear wheel frame,

And a second left frame fastened to the front wheel frame and having a thickness thinner than the first left frame,

An infant wagon in which a first slide movement groove in which the second left frame slides is formed in a longitudinal direction inside the first left frame.
The method according to claim 3,

The right frame has a square plate shape,

A first right frame fastened to the rear wheel frame,

A second right frame which is fastened to the front wheel frame and has a thickness thinner than that of the first right frame,

A baby wagon in which a second slide movement groove in which the second right frame slides is formed in a longitudinal direction inside the first right frame.
The method according to claim 3,

The front wheel frame,

A horizontal wheel frame connecting the left frame and the right frame spaced apart;

A first front wheel connecting frame mounted at one end of the front wheel horizontal frame and having front wheels at the bottom;

The wagon for infants including a second front wheel connecting frame mounted at the other end of the front wheel horizontal frame corresponding to the first front wheel connecting frame and having a front wheel.
The method according to claim 6,

The first front wheel connecting frame and the second front wheel connecting frame, the first mounting projection and the second mounting projection are respectively formed on the front wheel horizontal frame is formed,

An infant wagon in which insertion grooves into which the first mounting protrusion and the second mounting protrusion are inserted are formed are formed at both ends of the front wheel horizontal frame.
The method according to claim 7,

A circumferential surface of the horizontal frame of the front wheel is provided with an intermittent member for controlling the detachment of the first mounting projection and the second mounting projection mounted on both ends of the horizontal wheel.
The method according to claim 7,

The first front wheel connecting frame and the second front wheel connecting frame,

A support frame rotatably supporting the front wheel and having a bearing member therein;

It is coupled to the support frame and includes a mounting frame provided with a drive shaft coupled to the plurality of bearing members therein.

The wagon for infants wherein the first mounting projection and the second mounting projection are formed on one surface of the mounting frame.
The method according to claim 9,

In the interior of the support frame is provided with a fixing means for fixing the drive shaft coupled to the bearing member, one of the plurality of bearing members is a wagon for infants, characterized in that a tapered roller bearing is used.
The method according to claim 3,

The rear wheel frame,

A rear wheel horizontal frame connecting the left frame and the right frame that are spaced apart;

A first pivoting frame mounted rotatably on one end of the horizontal frame of the rear wheel and having a rear wheel on the lower side;

A second rotation frame having a shape corresponding to the first rotation frame and rotatably mounted on the other end of the horizontal frame of the rear wheel and having a rear wheel is provided.

An infant wagon to which the connection frame connected to the push frame is rotatably connected to the first rotation frame and the second rotation frame.
The method according to claim 11,

The rear wheel frame,

The first rotating frame and the second rotating frame, connected to the push rod frame and when the push rod frame is rotated, rotate the first rotating frame and the second rotating frame in the direction of the front wheels to turn the rear wheels and the front wheels. Infant wagon further comprises a secondary connecting frame to close the gap.
The method according to claim 12,

The push frame,

It is provided as an upper portion of the bottom frame and the first push frame is connected to the connecting frame is rotatably connected to the other end and the handle,

An infant wagon comprising a second push frame connected to one end of the first push frame connected rotatably with the connection frame and provided at a lower portion of the bottom frame and connected to the auxiliary connection frame.
The method according to claim 13,

The second push frame is a wagon for infants, characterized in that a binding member for rotatably fastening the auxiliary connection frame to the second push frame is provided.
The method according to claim 13,

The push frame and the connecting frame are slidably connected by a connecting member,

The connecting member,

A first connection member provided on the connection frame and the first push rod frame is rotatably coupled,

A second connecting member provided on the first push frame and one end of the connecting frame is rotatably coupled;

The second connecting member and one end hinged, the other end is a wagon for infants comprising a third connecting member rotatably connected to the end of the connecting frame.
The method according to claim 12,

The rear wheel frame,

It is provided on the circumferential surface of the horizontal frame of the rear wheel, and when connected to the rear wheel, when a driver applies a load, the foot brake for braking the rear wheel is further rotated by rotating the horizontal frame and the first and second rotating frames. Including infant wagon.
The method according to claim 16,

The first rotating frame and the second rotating frame are rotatably connected to the rear wheel, and the first rotating frame and the second rotating frame are provided with stop protrusions, respectively, and the stopping is provided on the circumferential surface of the rear wheel. A wagon for infants in which a plurality of insertion holes into which protrusions are inserted is formed.
The method according to claim 2,

The sheet portion,

A sheet frame having a rectangular shape and supported on the frame portion,

A sealing member mounted on the seat frame and extending to a lower portion of the seat frame to seal a circumferential surface and a lower portion of the seat frame,

Infant wagon including a sealing plate provided on the lower surface of the sealing member and seated on the upper surface of the bottom frame.
The method according to claim 18,

The seat frame is provided with a fixing groove for fixing the seat frame to the frame portion,

The wagon for infants in which the seat frame is seated on the push frame and the connecting member, and seating projections in close contact with the fixing groove are formed.
The method according to claim 19,

The seat frame is a first seat frame fixed to the push frame and the connection frame,

It includes a second seat frame provided to be stretchable at one end of the first seat frame,

The fixing groove is an infant wagon provided on one surface of the first seat frame.
The method according to claim 18,

Both side surfaces of the sealing member are folded such that the extended side of the seat frame has an "N" shape when returning to the original shape,

A wagon for infants is provided on both sides of the sealing member with a fixing member for fixing a portion to be folded.
The method according to claim 18,

The sealing plate material,

A first sealing plate material seated on an upper portion of the bottom frame of the frame portion,

A second hermetic plate that is hinged to the first hermetic plate and is positioned adjacent to the first hermetic plate when the bottom frame is elongated and positioned below the first hermetic plate when the bottom frame is returned to its original shape;

An infant wagon comprising a third hermetic plate which is hingedly coupled to the second hermetic plate and positioned adjacent to or below the second hermetic plate.
The method according to claim 22,

The second hermetic plate and the third hermetic plate have the same size,

The wagon for infants, characterized in that the sealing plate is folded to have a "Z" shape when folded.