KR101834474B1 - Baby wagon with improved ease of use - Google Patents

Abstract

An objective of the present invention is to provide a baby wagon with improved user convenience. To solve problems of being a cause to increase a price of a baby wagon as a lot of manufacturing costs are required by a shape of an existing baby wagon wherein a plurality of wheel frames are assembled, frequently spilling food to the inside of a seat due to absence of a space to provide supporting when a kid takes snack or beverage in the inside of the wagon, giving inconvenience as an angle of the wagon cannot be set at a desired angle to limit a posture of the kid seated in the wagon, and making a canopy moved or unintentionally detached without being fixated, the baby wagon comprises: a main frame; a wagon frame; and a wheel unit. Accordingly, a structure of a wheel frame is simplified to facilitate manufacturing and enhance durability of a product; a hand bar and a simplified dining table are able to be selectively used in accordance with a use state; it is prevented that the canopy is moved and unintentionally detached without being fixated; rotation and fixation of a side inclination frame are able to be easily operated; a rotary shaft of a wagon support is able to be rotated through a gear rotation type to be rotated at a desired angle; and a stable foldable structure is provided to prevent the seat from being rotated to a rear side.

Description

BABY WAGON WITH IMPROVED EASE OF USE [0002]

The present invention relates to a baby wagon which can easily rotate and fix the side inclined frame and can rotate the rotation axis of the waggle support through a gear rotation system to rotate at a desired angle and has a stable folding structure, .

The wagon-type baby wagon, which has a storage space more than a stroller and has the advantage of being able to go out with two or three infants alone, is rapidly becoming a universalized word-of-mouth for young children, As the demand increases, various kinds of baby wagons are on the market.

However, the existing infant wagon has a large number of frame assemblies of the wheel frame, which is expensive to manufacture and causes a rise in the price of the wagon. In the wagon, there is no room for the infant to take a snack or drink, There was a problem of shedding food inside.

In addition, since the angle of the wagons can not be set to a desired angle, the attitude of the infant on the wagon is limited and the inconvenience is felt, and the canopy is not fixed and moved or unintentionally removed.

In order to solve the above problems, the present invention simplifies the structure of the wheel frame, facilitates the production, improves the durability of the product, selectively uses the hand bar and the simple dining table according to the use state, And the rotation and fixing of the side inclined frame can be easily operated and the rotary shaft of the wagon support can be rotated through the gear rotating system to rotate at a desired angle and the seat can be rotated backward The present invention has been made in view of the above problems, and it is an object of the present invention to provide a child wagon having a stable folding structure and improved usability.

In order to achieve the above object, the present invention provides a wig for a child,

Shaped frame having a rectangular shape formed horizontally and a frame coupled to the front by a hinge structure so as to support the body of the infant wagon 1 as a whole in a side shape of a ' A main body frame folded or unfolded in a hinge structure by reference,

A waggon frame coupled to a frame having a rectangular frame shape horizontally spaced apart from the receiving frame in one side left and right of the side of the side slant frame,

And a wheel portion that is coupled symmetrically to the front and rear left and right sides of the support frame to drive the baby wagon.

As described above, according to the present invention, the structure of the wheel frame can be simplified to facilitate manufacture, the durability of the product can be improved, the hand bar and the simple dining table can be selectively used according to the use state, It is possible to easily rotate and fix the side inclined frame and to rotate the rotation axis of the waggon support through the gear rotation system to rotate at a desired angle and to rotate the seat backward So that it has a stable folding structure and has a good effect of reducing the volume in the folding state.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an overall shape of a baby wagon having improved usability according to the present invention;
FIG. 2 is an exploded perspective view showing the components of a baby wagon having improved usability according to the present invention,
FIG. 3 is a perspective view of the main body frame according to the present invention,
FIG. 4 illustrates components of a main body frame according to an embodiment of the present invention, in which the length of the handle frame is adjusted by operating a handle length adjusting button.
5 is a side view showing components of a main body frame according to the present invention,
Figure 6 shows a side view of a baby wagon according to the invention and is an enlarged view of an enlarged view of a part of the components of the foldable rotary lock,
Fig. 7 shows a side view of a child wagon according to the present invention, showing a part of the components of the folding type rotation locking device in an enlarged manner, and an enlarged embodiment showing an enlarged embodiment in which the rotation locking switch is pulled in the rear-
FIG. 8 is a perspective view showing a part of the components of the folding type rotary lock apparatus according to the present invention,
9 shows a part of the components of the folding rotary lock device according to the present invention, and in the embodiment showing the embodiment in which the rotary lock switch is pulled in the rear-upper direction,
10 is a side view showing an embodiment in which the installation angle of the wagon frame of the baby wagon according to the present invention is changed.
11 is a perspective view showing the components of the wagon frame according to the present invention and showing the state where the hand bar is engaged with the hand bar engaging bracket,
Figure 12 shows a state in which the main body frame and the wagon frame according to the present invention are engaged and an enlarged embodiment showing an embodiment in which the wagon coupling portion of the wagon frame is engaged with the side inclination bracket of the main body frame,
13 is an enlarged enlarged view showing an embodiment in which a hand bar is coupled to a wagon coupling section according to the present invention and a canopy frame is coupled to a wagon main frame;
14 is a perspective view showing components of a wagon frame according to the present invention and showing a state where a tray is coupled to a hand bar engaging bracket;
15 is an enlarged view illustrating a state in which the wagon frame auxiliary support is coupled to the wagon main frame according to the present invention.
16 is a perspective view showing components of a wheel according to the present invention,
17 is an exploded perspective view showing the components of the front wheel drive unit according to the present invention in exploded view,
FIG. 18 is an exploded perspective view of the components of the rear wheel drive unit according to the present invention in exploded view,
19 is an enlarged view showing an embodiment in which a rear wheel drive wheel is coupled to a rear wheel fixing frame according to the present invention,
FIG. 20 is a side view showing a state in which the zipper is closed at an angle of 360 ° around the outer periphery of a seat bonded to a baby wagon according to the present invention,
FIG. 21 is a side view showing a state in which a zipper is opened at an angle of 360 ° around the outer periphery of a seat bonded to a baby wagon according to the present invention,
FIG. 22 is a side view showing an embodiment of adjusting the angle of the tray, in which the wagon frame according to the present invention is formed in a stroller mode in which the wagon frame is fixed so as to face the front,
23 is a side view showing a state in which the wagon frame according to the present invention is formed in a stroller mode in which the wagon frame is coupled and fixed in a reverse direction so as to look back,
FIG. 24 is a side view showing an embodiment in which the canopy frame is rotated on the basis of the wagon combining portion according to the present invention;
FIG. 25 is a photograph showing a state in which the rear upper end engagement portion of the five-point safety belt, which penetrates the rear upper end of the seat portion in the outward direction, according to the present invention is coupled to the loop of the wagon main frame,
FIG. 26 is a photograph showing a state in which the left and right buckles of the five-point safety belt penetrate the left and right sides of the lower portion of the rear surface of the seat according to the present invention,
27 is a view illustrating a state in which the wagon frame according to the present invention is formed in a stroller mode in which the wagon frame is fixed so as to face forward and the tray is horizontally coupled to the hand bar engaging bracket,
Figure 28 is a side view of a side view of a folded form for storage of a baby wagon according to the present invention;

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing an overall configuration of a child wagon having improved usability according to the present invention, and includes a body frame 100, a wagon frame 200, a wheel assembly 300, and a seat assembly 400 .

First, the main body frame 100 according to the present invention will be described.

The main body frame 100 is formed by horizontally forming a frame having a rectangular frame shape and a frame having a 'U' shape and coupled to the front by a hinge structure so that the side of the main body frame 100 is shaped like a ' And is formed so as to be folded or unfolded in a hinge structure with respect to the front lower end as a whole and to change its shape.

It is composed of a supporting frame 110, a side inclined frame 120, a folding rotary lock 130, and a side inclined bracket 140.

The support frame 110 is formed in a horizontal direction as a frame having a rectangular frame shape constituting the lower end of the baby wagon, and the support plate is formed symmetrically in the longitudinal direction in the inner side and the rear side.

The side inclined frame 120 is a 'U' shaped frame and is hinged to the front left and right side rotary shafts of the support frame and supports the wagon frame coupled to one side of the center of the left and right inner side surfaces Which is composed of an outer cylindrical frame 121 and a handle frame 122.

The outer cylindrical frame 121 has a hollow cylindrical shape formed on the front left and right sides and is axially coupled to a main shaft fixing part formed at the front of the supporting frame and rotatably supported by the outer cylindrical frame 121. The outer cylindrical frame 121 forms a lower end portion of the side inclined frame, And serves to support the upper and lower movement of the handle frame.

The knob frame 122 has a front lower end in a longitudinal direction and a handle length adjusting button 122a in an upper end inward direction of the outer cylindrical frame formed symmetrically with a ' And includes a handle length adjusting button 122a, a handle length adjusting wire 122b, a handle length adjusting fixing pin 122c, and a handle length adjusting spring 122d.

The knob frame 122 according to the present invention includes a handlebar length adjusting button 122a protruding inwardly in the rear center and a left and right ends in the inside thereof connected to a handle length adjusting wire 122b, The handle length adjusting wire 122b symmetrically connected to the right side is coupled to the handle length adjusting spring 122d at the lower end and the handle length adjusting pin 122c is coupled to one side of the lower end of the handle length adjusting wire 122b .

In this case, a handle-length adjusting pin 122c is inserted into a length adjusting pin insertion groove formed at a predetermined interval in the longitudinal direction on the inner surface of the outer cylindrical frame 121 to fix the handle frame 122.

At this time, if the handle length adjusting button 122a is pushed inward, the handle length adjusting wire connected to the left and right ends is pulled, the handle length adjusting pin 122c is detached from the length adjusting pin insertion groove of the outer cylindrical frame, The handle frame is moved up and down in the longitudinal direction of the wire 122b so that the length of the handle frame is adjusted to the body of the protector and the handle length adjusting pin 122c is aligned with the length adjusting pin inserting groove When the handle length adjusting button 122a that is pressed after being coupled is released, the position is restored by the handle length adjusting spring formed on the inner side and the knob frame 122 is fixed.

That is, when the handle length adjusting button 122a is pressed, the handle frame is allowed to move in the longitudinal direction freely and the length of the handle frame can be adjusted. When the handle length adjusting button 122a is released, the handle frame is kept fixed and is in a stable state.

The length of the knob frame 122 inserted into the upper end of the outer cylindrical frame 121 can be adjusted to adjust the length of the knob frame 122 according to the length of the user, Can be maximally inserted into the outer cylindrical frame 121, thereby minimizing the volume.

The folding type rotary lock device 130 is formed between a support frame and a side slant frame which are symmetrically coupled to left and right sides and is connected to a lock switch located at one side of the center of the side slant frame and rotates up and down And to fix the side inclined frame which is rotated in the direction.

It is composed of a rotation lock switch 131, a rotation lock wire 132, an upper lock movement bracket 133, a lower lock fixing bracket 134, and a lock support 135.

The rotation lock switch 131 is a pull switch formed in the lower end of one side of the center of the side inclined frame and is coupled with the rotation lock wire in the direction of the lower inner side of the switch, And serves to control rotation and fixation of the combined side inclined frame.

This makes it possible to prevent a safety accident of an infant who rides on the stroller by preventing the side inclined frame from being carelessly rotated and not being fixed by mistake when the infant wagon is used.

The rotation locking wire 132 is symmetrically formed on the front left and right sides of the side inclined frame, the upper end of the rotation locking wire 132 is connected to the inside of the rotation lock switch 131, And a lower end connected to a spring formed at an inner lower end of the side inclined frame 120 so as to move the sliding frame according to an upward and a downward movement by pulling and releasing the rotary lock switch.

The upper locking movement bracket 133 is formed symmetrically with respect to the left and right sides of the side inclined frame, a sliding frame 133a is formed on the inner side of the center of the rotation locking wire and coupled to the front and rear sides, And a rotation control button 133c is formed at the lower end of the rear upper end surface of the elastic bar bent toward the upper end of the elastic bar.

When the sliding frame is moved in the rear upper direction by the rotation lock wire connected to the rotation lock switch, the rear of the elastic bar 133b bent to the upper end is pressed downward, When the sliding frame is returned to the front lower end direction by the spring coupled to the front side of the rotation locking wire, the elastic bar (133c) pressed by the sliding frame 133b are raised and returned and the rotation control button 133c is raised so that the side inclined frame is fixed with respect to the main rotation axis.

The lower lock fixing bracket 134 is fixed symmetrically to the front left and right sides of the support frame, and serves to support the lower ends of the axially coupled lock supports.

The upper end of the lock supporter 135 is axially coupled to the upper load lock fixing bracket 133 and the lower end of the lock supporter 135 is axially coupled to the lower lock fixing bracket 134, And serves to move and fix the upper lock fixing bracket 133.

This is because when the sliding frame 133a connected to the rotation locking wire by pulling the rotation locking switch 131 pushes the rear upper end of the elastic bar 133b in the bottom direction, the rotation control button 133c is pressed and the lower locking fixing bracket The upper lock moving bracket is rotated so as to move forward or backward and the rotary lock switch is lowered to return the position of the sliding frame to the position, the rotation control button pressed by the elastic bar rises and the shaft rotation is fixed so that the upper lock moving bracket is fixed.

The side inclined bracket 140 is symmetrically coupled to one side of the center of the left and right side surfaces of the side inclined frame and has an engaging pin inserting groove 141 And an outer groove 142 capable of receiving the coupling pin projection 211a-1 in the vertical direction inside the coupling pin insertion groove is formed.

The engaging pin insertion groove 141 is a groove formed in a direction perpendicular to the center of the left and right upper end surfaces of the side inclined bracket 140. The engaging pin insertion groove 141 is formed in the center of the outer side of the rectangular groove into which the first engaging portion engaging pin is vertically inserted, And serves to support a first coupling part coupling pin 211a formed with a projection groove and inserted in a vertical direction.

When the fastening portion coupling pin 211a is inserted vertically, the coupling pin projection 211a-1 protruding outwardly through the coupling pin projection groove formed at the center of the outside of the rectangular groove can be inserted without being caught.

Here, the outer groove 142 is a groove formed on one side of the center of the outer side of the side inclined bracket, and receives the coupling pin projection 211a-1 protruding from the outer side surface of the first coupling portion coupling pin 211a, And serves to stably fix the engagement pin.

Next, the waggon frame 200 according to the present invention will be described.

The wagon frame 200 is a frame having a rectangular frame shape horizontally spaced apart from the receiving frame in left and right directions on one side of the side surface of the side inclined frame, and serves to join the wagonsheet.

It consists of a wagon coupling 210, a wagon main frame 220, a wagon frame auxiliary support 230, and a canopy frame 240.

The waggon coupling part 210 is fixed to the left and right sides symmetrically on one side of the side surface of the side inclined frame and protrudes to the inner upper end and serves to fix the wagons main frame in the left and right inward directions, A second engaging portion 212, and a hand bar engaging bracket 213, as shown in Fig.

The first engaging portion 211 is a circular frame having a first gear 211b formed at an upper end of the center of the side inclined bracket and an inner side of the upper central axis and inserted into the engaging pin inserting groove of the side inclined bracket in the lower end direction The first fastening portion coupling pin 211a is formed.

The first fastening portion coupling pin 211a is formed with a coupling pin projection 211a-1 protruding from the center in the outward direction. When the coupling pin projection 211a-1 is inserted into the coupling pin insertion groove, the coupling pin projection 211a-1 passes through the external groove 142, Are exposed to the outside.

At this time, the outer groove 142 allows stable engagement when the first coupling portion coupling pin 211a is inserted, and pushes the coupling pin projection 211a-1 exposed to the outside through the outer groove 142 inward Make it possible to remove and insert.

The second engaging portion 212 is a circular frame having a second gear 212a located inside the central axis of the first engaging portion and engaging with the first gear 211b through a side surface in the outer direction of the central axis. A canopy is fixed to the front and rear sides of the left and right sides, and two canopy insertion protrusions 212b are horizontally protruded from the center of the inner side of the canopy fixing blade .

The hand bar engaging bracket 213 is symmetrically coupled to a vertical upper end of the second engaging portion and has an engaging pin inserting groove 213a in which the upper end surface is horizontal and the second engaging portion engaging pin is inserted into the upper end surface, And an outer groove 213b capable of receiving the coupling pin projection () in the vertical direction inside the coupling pin insertion groove is formed.

The wagons main frame 220 is axially joined to the upper central axis of the main frame of the wagon frame in the left and right side center outward directions in a rectangular frame shape.

The wagon assisting frame 230 is vertically erected and has a lower end symmetrically joined to the front and rear left and right sides of the supporting frame, and an upper end formed as a fixed creep formed of clip fastening members and clip fastening members, In combination with the mainframe.

The canopy frame 240 supports a wagons canopy sheet for a child which is rotated in the left and right direction by a frame having a "U" shape in a vertical direction and is covered with an upper portion. The canopy frame 240 is formed so as to set an angle of a canopy Which is composed of a front canopy frame 241 and a rear canopy frame 242.

'형상으로 좌·우측 내측면에 캐노피 끼움홈(241a)이 형성되어 이루어진다.The front canopy frame 241 is coupled to the front left and right sides of the center one side of the wagon frame coupling portion,

And a canopy fitting groove 241a is formed on the left and right inner side surfaces.

'형상으로 좌·우측 내측면에 캐노피 끼움홈(242a)이 형성되어 이루어진다.The rear canopy frame 242 is coupled to the rear left and right sides of the central rear side of the wagon frame coupling portion,

And a canopy fitting groove 242a is formed on the left and right inner side surfaces.

The hand bar 250 is a vertically erected frame having a hand bar engaging pin 251 formed at the lower end and symmetrically fixed to the upper left and right sides of the hand bar engaging bracket 213, And the center of rotation is formed as a rotation axis so that an angle can be set.

Here, the hand bar coupling pin 251 has a coupling pin projection 251a protruding from the center in the outward direction. When the coupling pin projection 251a is inserted into the coupling pin insertion slot 213a, the coupling pin projection 251a is connected to the outside through the outer groove 213b Exposed.

At this time, the outer groove 213b enables stable engagement when the hand bar coupling pin 251 is inserted, and the coupling pin projection 251a exposed to the outside through the outer groove 213b can be pushed inward to be detachable .

A tray coupling pin 261 is formed at the lower left and right ends of the tray 260 in a rectangular frame shape having a circular groove at an upper end of the tray 260. The tray coupling hole 271 is symmetrical to left and right sides of the coupling pin insertion groove 213a at the upper end of the hand bar coupling bracket. And the center of the upper left side is formed as a rotation axis so that an angle can be set.

The tray coupling pin 261 has a coupling pin protrusion 261a protruding from the center in the outward direction so that when the coupling pin protrusion 261a is inserted into the coupling pin insertion groove 213a, the coupling pin projection 261a is exposed to the outside through the outer groove 213b Respectively.

At this time, the outer groove 213b allows stable engagement when the tray coupling pin 261 is inserted, and allows the coupling pin projection 261a, which is exposed to the outside through the outer groove 213b, do.

The hand bar 250 and the tray 260 according to the present invention are configured such that one configuration is selectively coupled to the engaging pin inserting recess 213a of the hand bar engaging bracket 213. [

Next, the wheel assembly 300 according to the present invention will be described.

The wheel unit 300 drives the baby wagon in a driving wheel shape symmetrically coupled to the front and rear left and right sides of the receiving frame.

This is constituted by the front wheel drive unit 310 and the rear wheel drive unit 320.

The front wheel drive unit 310 is symmetrically coupled to the front lower left and right ends of the support frame. The front wheel drive unit 310 includes a front wheel detachment switch 311a that is projected on the upper side and detaches the front wheel drive wheels. And provides mobile power.

Which is constituted by a front wheel frame portion 311, a front wheel impact absorbing frame 312 and a front wheel drive wheel 313.

The front wheel frame portion 311 is formed at the upper end of the front wheel drive portion and is coupled to one side of the front lower end of the support frame to support the front wheel impact absorbing frame and the front wheel drive wheels. Frame 311b.

The front wheel fixing frame 311a is fixed to the front lower end of the supporting frame to support the front wheel driving unit as a whole. The front wheel fixing frame 311a is formed with a front wheel removing switch 311a-1 on one side of its outer side, 311a-2 are formed.

The front wheel impact absorbing frame 312 and the front wheel driving wheel 313 which are located at the lower end of the front wheel fixing frame 311a and are coupled to the front wheel removing frame 311b can be separated through the front wheel removing switch 311a- .

The front wheel drive wheel 313 can be detached and attached to facilitate carrying and storage.

When the front wheel rotation fixing pin is lowered to the lower end, if the front wheel rotation fixing pin is inserted into the front wheel rotation fixing groove 311b-2, the front wheel driving wheel is driven only in the forward direction without being rotated in the lateral direction. The front wheel rotation fixing pin is separated from the front wheel rotation fixing groove 311b-2 so that the front wheel drive wheel can rotate freely in the 360 占 direction.

In this case, the front wheel rotation fixed switch is moved downward to facilitate the operation of the child wagon. In the case where the direction change is required, The switch can be raised to the top to easily change the orientation of the baby wagon.

The front shock absorber frame 312 has a first fixed shaft which is separated in the direction of the upper front surface of the front wheel drive wheels in a cross-section shape and is axially coupled to the side of the front wheel fixed frame on the front side of the left and right side front wheels, A first rotation shaft is axially coupled to one side of the front wheel drive wheels on one side of the left and right side surfaces, and supports a lower end of the front wheel elastic spring 312a housed in the inner upper side.

The front wheel drive wheel 313 is coupled to the first rotation shaft of the shock absorbing frame to rotate the left and right rotation shafts and to provide the motive power of the front of the wagon.

The rear wheel drive unit 320 is symmetrically coupled to the front lower left and right ends of the support frame, and is formed with a front wheel rotation fixing switch that is vertically moved on the upper front face to control the horizontal rotation of the front wheel drive unit. A front wheel detachment switch protruding in a pushing manner and releasing the front wheel drive wheels, and supports the lower front end of the child wagon and provides a mobile power.

This is constituted by a rear wheel fixing frame 321, a rear wheel brake 322 and a rear wheel drive wheel 323.

The rear wheel fixing frame 321 is coupled to the rear left and right lower ends of the supporting frame to support the rear wheel driving unit as a whole. The rear wheel fixing button 321c is formed on one side of the rear side, And is configured to support the built-in rear wheel elastic spring 321d, to be axially coupled with the rear wheel drive wheel located on the outer side, and to support the rear wheel brake portion 322 on the left and right inner side surfaces.

The rear brake portion 322 is horizontally coupled with a rod-shaped brake center shaft 322a coupled to the inner center shaft of the rear wheel fixing frame formed symmetrically on the left and right sides, and has an area of a rectangular shape at the center of the brake center shaft And a bar-shaped brake rotation shaft 322c coupled to the inner rear-end rotation shaft of the rear-wheel fixing frame is horizontally engaged to control the rotation of the rear wheel drive wheel, which is connected to the brake center shaft 322a, A brake pad 322b, and a brake rotation axis 322c.

The brake center shaft 322a is formed as a circular bar horizontally coupled to the inner center axis of the rear wheel fixing frame formed symmetrically on the right and left sides, and a brake pad is coupled to the center.

This serves as the center axis of the brake pads and serves to support the rotation of the brake pads.

The brake pad 322b has a rectangular shape and is connected to the center of the brake center shaft 322a in the lateral direction. The brake pad 322b is symmetrical in the left-right direction on the rear side of the brake pad 322b, And the upper end of the brake rotating shaft 322c is formed with a deep groove of the brake rotating shaft to insert the inner side of the brake rotating shaft 322c.

The brake rotation axis 322c is a circular bar shape horizontally coupled symmetrically in the left-right direction on the rear side of the rear wheel fixing frame. The inner end is inserted into the brake rotation axis moving groove of the brake pad, and the outer end is inserted into the rear wheel driving wheel direction As shown in Fig.

The brake rotary shaft 322c according to the present invention moves from the upper end to the lower end of the brake rotary shaft moving groove of the brake pad when the brake pads are rotated in the lower end direction by stepping on the brake pads and the left brake rotary shaft is projected to the left direction, And the left and right sides of the brake pad are inserted into the rear wheel removal grooves 323a-1 to stop the rotation of the rear wheel drive wheels. When the brake pads are released from the brake pads and are rotated in the upper direction, The brake rotary shaft projecting in the left direction is returned and the brake rotary shaft projected in the rightward direction is returned to be separated from the rear wheel removal groove 323a-1 so that the rear wheel driving wheel is rotated.

At this time, the brake rotation axis 322c formed on the left side is formed with the rotation axis return spring 322c-1 on the left side end, and the brake rotation axis 322c formed on the right side is formed with the rotation axis return spring 322c-1 on the right side end side .

This allows the brake rotary shaft to return to rotation.

The rear wheel drive wheel 323 rotates in conjunction with the rotation axis of the rear wheel impact absorbing frame to provide the mobile power of the rear side of the baby wagon.

The rear wheel drive wheel 323 according to the present invention is coupled with a rear wheel removal frame 323a having a circular plate shape on the inner side and a rear wheel detachment bar 323b formed on the inner side.

The rear wheel removing frame 323a is symmetrically attached to the left and right sides of the rear wheel removing frame 323a so that the rear wheel driving wheel 323 is coupled to the rear wheel centering groove 321a of the rear wheel fixing frame 321 in the inner direction.

At this time, when the rear wheel releasing button 321c of the rear wheel fixing frame is pressed, the rear wheel engaging projection 322c-1 engaged in the rear wheel releasing groove 323b-1 of the rear wheel releasing bar is separated and the rear wheel driving wheel is detached, When the releasing button 321c is released, the rear wheel releasing button is returned by the releasing button return spring 322c-2, the rear wheel engaging projection 322c-1 is engaged with the rear wheel releasing groove 323b-1 of the rear wheel releasing rod, The drive wheel is engaged.

The rear wheel drive wheel 323 can be detached and attached to facilitate carrying and storage.

Next, the seat portion 400 according to the present invention will be described.

The seat portion 400 is formed in a rectangular basket shape so that an upper end portion thereof is coupled along the inner circumference of the wagon main frame and a lower end thereof is abutted against the upper end surface of the receiving frame and the lower end surface thereof is made of a thick pad material, It provides a space for relaxing in the wagon.

Here, the thickness of the lower end surface of the seat part is formed to be 5 mm to 10 mm, and the lower end surface of the seat part is folded according to the fixed form of the child wagon.

23, when the stroller is tilted while looking at the front side of the wagon main frame, or when the stroller is tilted while looking back, the front side of the lower side face pad is folded into a two-fold fold structure, The coupling ring 403 formed at the inner end is caught and fixed to the coupling pin 221 formed at one side of the front left and right outer sides of the main frame of the wagon, And is fixed to the main body by retaining its shape and being fixed to the annular engagement pin 222 formed on one side of the rear left and right sides of the main frame.

The seat portion 400 has a zipper upper end surrounded by 360 ° around one side of the upper side of the outer side surface and a zipper bottom end surrounded by 360 degrees around one side of the lower end, and the zipper upper end and the zipper lower end have a constant separation distance, .

When the depth of the seat portion is lowered by closing the zipper upper end and the lower zipper end of the seat portion, a cradle mode is formed as shown in Fig. 20. When the zipper upper end and the zipper lower end are opened to increase the depth of the seat portion, Mode is formed.

The seat portion 400 is provided with a five-point safety belt on one side of the rear center, and a coupling ring 401 penetrating outward from the inside of the rear upper end of the seat portion to the upper end of the five- And the lower end of the five-point safety belt is supported by the coupling buckle 402, which is coupled with the left and right buckles passing through the inside of the rear lower end of the seat portion in the outer left and right directions.

This allows the infant in the infant wagon to be stably secured with a 5-point safety belt to protect the infant from external shocks or vibrations.

Hereinafter, a specific operation process of the baby wagon with improved usability according to the present invention will be described.

First, pull the rotary lock switch of the baby wagon which is stored in a folded state.

At this time, the rotation locking wire connected to the inside of the rotation lock switch is pulled and the elastic bar is pushed to the lower end by moving the connected sliding frame in the rear upper direction, and the rotation control button is pressed to rotate the side oblique frame with respect to the main shaft fixing portion .

At this time, after confirming the mounting angle of the side inclined frame, the side inclined frame is fixed by releasing the rotation lock switch and returning to the original position.

Next, the front wheel drive unit is coupled to the lower front left and right sides of the body frame, and the rear wheel drive unit is coupled to the rear left and right sides.

Next, the first engaging portion engaging pin of the wagon engaging portion is inserted into the engaging pin engaging recess of the side inclined bracket formed at the left and right central side of the side inclined frame, and the engaging pin projection is fixed to be inserted into the outer groove.

Next, the angle of the wagon main frame is set after the wagon main frame is joined to the second engagement portion of the wagon coupling portion.

At this time, when the wagon main frame is set to be horizontal with the support frame, a wagon frame auxiliary support vertically coupled between the support frame and the wagon main frame is installed.

Next, the canopy insertion groove of the canopy frame is inserted into the canopy insertion projection to fix the canopy frame.

Next, the engaging pin insertion groove of the hand bar engaging bracket is selectively engaged with one of the hand bar and the tray.

Next, the installation angle of the hand bar tray selectively coupled with the canopy frame is set.

100: main frame 110: base frame
120: side inclined frame 200: wagon frame
210: wagon coupling portion 220: wagon main frame
230: wagon frame auxiliary support 240: canopy frame
250: Hand bar 260: Tray
300: a wheel part 310:
320: rear wheel drive

Claims (11)

Shaped frame having a rectangular shape formed horizontally and a frame coupled to the front by a hinge structure so as to support the body of the infant wagon 1 as a whole in a side shape of a ' A main body frame 100 which can be folded or unfolded in a hinge structure on the basis of a reference,
A wagon frame (200) for joining a wagonsheet with a frame having a rectangular frame shape horizontally spaced apart from a receiving frame in left and right directions on one side of the side face of the side slant frame,
The present invention relates to a child wagon having improved ease of use in which a wheel part (300) for driving a baby wagon is formed in a driving wheel shape symmetrically coupled to the front and rear sides of a supporting frame,
The main body frame 100 includes:
A support frame 110 formed horizontally with a frame having a rectangular frame shape forming a lower end of the wig for a child and having a support plate horizontally and symmetrically formed in the longitudinal direction of the inner front and rear,
A side inclined frame 120 which is coupled to the front left and right side rotary shafts of the support frame in a hinge structure and supports the wagon frame coupled to one side of the center of the left and right inner side surfaces,
A side inclined frame formed between the receiving frame symmetrically joined to the right and left sides and the side inclined frame and connected to a lock switch located at one side of the center of the side inclined frame and rotated in the upward and downward directions by the rotation of the main rotating shaft, A foldable rotary lock 130,
An engaging pin insertion groove 141 is formed which is symmetrically coupled to one side of the center of the left and right side surfaces of the side inclined frame and in which the first engaging portion engaging pin 211a is inserted into the horizontal upper surface, And a side slanting bracket (140) formed with an outer groove (142) capable of receiving a coupling pin projection (211a-1) in an inner vertical direction of the groove.
delete The apparatus according to claim 1, wherein the side inclined frame (120)
A hollow cylindrical shape formed on the front left and right sides, an end of which is axially coupled to a main shaft fixing part formed on the front side of the supporting frame and which forms a lower end portion of the side inclined frame, receives left and right lower ends of the knob frame in an inward direction, An outer cylindrical frame 121 for supporting the vertical movement,
A knob frame 122 for inserting a front lower end in the longitudinal direction into the inner side of the outer cylindrical frame formed in a left-right symmetrical shape with a frame of a 'C' shape and a handle length adjusting button formed in the upper inner side, Wherein the wiggle is formed of a wig.
The side slant bracket (140) according to claim 1, wherein the side slant bracket
The engaging pin protrusion groove is formed at the center of the outer side of the rectangular groove in which the first engaging portion engaging pin is vertically inserted, and is formed in a vertical direction at the center of the left and right upper end surfaces of the side inclined bracket 140, A coupling pin insertion groove 141 for supporting the first coupling part coupling pin 211a,
A groove formed at one side of the center of the outer side surface of the side inclined bracket and accommodating the engaging pin projection 211a-1 protruding from the outer surface of the first engaging portion engaging pin 211a to stably fix the first engaging portion engaging pin And an outer groove (142).
The method of claim 1, wherein the wagon frame (200)
A wagon engaging portion 210 fixed to one side of the side surface of the side slant frame in left and right symmetry, projecting toward the inner upper end and fixing the wagan main frame in the left and right inward directions,
A wagon main frame 220 which is axially coupled to the upper central axis of the main frame of the wagon frame in the left and right side center outward directions in a rectangular frame shape,
The upper ends of which are formed into a fixed creep formed of a clip clip and a clip fixing portion and are coupled to the wagon main frame so as to be coupled to the wagon main frame, A frame 230,
And a canopy frame 240 supporting the wagons canopy seat for infants which are rotated in the left and right directions in the vertical direction and which are covered with the upper portion and which set the angle of the canopy installed at the upper end Features a baby wagon with improved usability.
6. The apparatus of claim 5, wherein the wagon engaging portion (210)
A first coupling part coupling pin 211a which is inserted into the coupling pin insertion groove of the side inclined bracket in the lower end direction and which is a circular frame which is located at the upper end of one side of the center of the side inclined bracket and has the first gear 211b formed in the inner direction of the upper center shaft, A first engaging portion 211,
A first gear formed inside the first engaging portion with a circular frame formed inside the central axis of the first engaging portion and formed with a second gear 212a engaged with the first gear 211b through a side surface in the outer direction of the central axis, A second engaging portion 212 formed by horizontally protruding two canopy fitting protrusions 212b at the center of the inner surface of the canopy fixing wing and having a canopy fixed forward and rearward on the left and right sides,
A coupling pin insertion groove 213a symmetrically coupled to a vertical upper end of the second coupling portion and having a top surface in a horizontal plane and a second coupling portion coupling pin inserted into the top surface, And a hand bar engaging bracket (213) formed with an outer groove (213b) capable of receiving the engaging pin projection (231).
The canopy frame (240) according to claim 5, wherein the canopy frame
The waggon frame coupling part is coupled to the left and right front sides of the center one side of the waggon frame coupling part,

A front canopy frame 241 having canopy fitting grooves 241a formed on left and right inner side surfaces thereof,
The waggon frame coupling part is connected to the left and right sides of the central rear side of the central one,

And a rear canopy frame (242) having a canopy fitting groove (242a) formed on the left and right inner side surfaces in the shape of a "can".
The wheel assembly (300) according to claim 1,
A front wheel removal switch 311a which is symmetrically coupled to the front lower left and right front ends of the support frame and which is protruded on the upper side in a pushing manner to disengage the front wheel drive wheels, A front wheel drive unit 310 for providing power,
A front wheel rotation fixing switch which is coupled to the front lower left and right ends of the support frame symmetrically and which is vertically moved on the upper front face to control the horizontal rotation of the front wheel driving portion, And a rear wheel driving part (320) for supporting a lower front end of the child wagon and providing a moving power.
[10] The method of claim 8, wherein the front wheel drive unit (310)
The front wheel supporting frame 311a and the front wheel removing frame 311b are formed on the upper end of the front wheel driving unit and are coupled to one side of the lower front end of the supporting frame to support the front wheel impact absorbing frame and the front wheel driving wheels. 311,
A first fixed shaft spaced apart from the upper front direction of the front wheel drive wheels in a " C " shape in cross section and axially coupled to a side surface of the front wheel fixed frame on one side of the front left and right sides, A front wheel impact absorbing frame 312 for supporting a lower end of a front elastic spring 312a embedded in an inner upper end,
And a front wheel drive wheel (313) that rotates the left and right rotary shafts coupled to the first rotary shaft of the shock absorbing frame and provides movement power of the front of the wag.
The rear wheel drive unit according to claim 8,
A rear wheel elastic spring 321d formed on the rear side of the rear wheel, a rear wheel release button 321c formed on the rear side of the rear wheel, and a rear wheel elastic spring 321d vertically installed in the center of the rear wheel, A rear wheel fixing frame 321 which is axially coupled to a rear wheel drive wheel located on the outer side and supports the rear wheel brake portion 322 on left and right inner side surfaces,
Shaped brake center shaft 322a coupled to the inner center shaft of the rear fixed frame formed symmetrically on the left and right sides is coupled horizontally and a brake pad 322b having an area of a rectangular shape at the center of the brake center shaft is coupled A rear brake portion 322 for horizontally coupling a rod-shaped brake rotary shaft 322c coupled to an inner rear rotary shaft of the rear wheel fixing frame to control the rotation of the rear wheel drive wheel,
And a rear wheel drive wheel (323) that rotates the left and right rotation shafts in combination with the rotation shaft of the rear wheel shock absorbing frame and provides a motive force to the rear of the infant wagon.
The rear wheel brake unit according to claim 10,
A brake center shaft 322a having a circular bar shape horizontally coupled to the inner center shaft of the rear wheel fixing frame formed symmetrically to the left and right sides and having a brake pad at its center,
Shaped grooves are formed on the rear side in symmetry with respect to the center axis of the brake on the rear side and the lower end of the groove is shallow in depth and the upper end is in the depth direction A brake pad 322b in which a deep brake rotating shaft moving groove is formed and an inner surface of the brake rotating shaft 322c is inserted,
A brake having a circular bar shape horizontally coupled to the rear side of the rear wheel fixing frame in a left-right symmetrical manner and having an inner end inserted into a brake rotary shaft moving groove of the brake pad and an outer end inserted and protruded in the direction of the rear wheel driving wheel, And a rotary shaft (322c).

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