KR102357813B1 - Baby wagon with improved ease of use - Google Patents

Abstract

The present invention relates to a baby wagon with improved user convenience, which is to improve problems of the prior baby wagon, wherein inconvenience is caused according to a shape change such as carriage when going out and preservation because structural complexity requires a great deal of manual effort of a protector when a wagon frame is folded and unfolded or a canopy and a tray are installed and detached, there are many cases in which its own heavy weight is beyond the strength of the protector, accidents frequently occur where fingers are caught between folded frames during folding, stability is lowered when a child boards thereon as the inside thereof has a rectangular structure to be formed so that the boarding baby has to be seated on the floor, and stable boarding comfort cannot be maintained when the baby wagon moves. The present invention provides a baby wagon with improved user convenience, which is formed of a foldable main body frame (100) including a front side main frame (110), a rear side main frame (120) and lateral side frames (130) such that stability and durability of the baby wagon are ensured, carriage and preservation are easy by simplifying the structure of the frame, entire weight is reduced by reducing the number of unnecessary frames, product competitiveness is ensured by saving manufacturing costs, shape transformation in accordance with folding of the baby wagon is easily implementable by the protector alone, manipulation of the protector is easy by enabling the canopy, a baby seat and the tray to be conveniently coupled and decoupled, and babies and children may comfortably board thereon according to their age group as the baby seat can be stably supported when the baby seat is coupled thereto.

Description

Baby wagon with improved usability {BABY WAGON WITH IMPROVED EASE OF USE}

In the present invention, it is possible to easily fold and unfold the wagon in a convenient way, to maintain a comfortable posture according to the age and physical growth of the person to be protected, to improve riding comfort and to move stably, and to improve the safety and durability of the overall frame. It relates to a wagon for infants with improved ease of use that can take the lead in price competitiveness by lowering its own load by minimizing the frame configuration, minimizing the volume in the folded state, and reducing manufacturing costs.

Existing infant wagons are structurally complex, so when folding and unfolding the wagon frame, or when installing and removing the canopy and tray, a lot of the caregiver's hands are required. There was a problem in that there are many cases where the protector is forced by the force of the high height, and accidents in which the fingers are caught between the frame and the frame that are folded during folding occur frequently.

In addition, the existing infant wagon has a rectangular structure inside, and is formed in a form in which an infant on board sits on the floor, so the stability of the infant's wagon is lowered when the infant rides, and there is a problem in that it is not possible to maintain a stable riding comfort when the infant wagon is moved.

Registered Patent Publication No. 10-1672853 (Registered on October 31, 2016)

In order to improve the above problems, in the present invention, it is possible to secure the stability and durability of the wagon for infants, simplify the structure of the frame to facilitate portability and storage, and maintain a comfortable posture according to the age and physical growth of the person to be protected. It improves riding comfort and allows stable movement, reduces the overall weight by reducing the number of unnecessary frames, reduces production costs, secures product competitiveness, and enables the guardian to easily implement the shape transformation according to the folding of the infant wagon alone, and canopy Infant wagon with improved ease of use and ease of use for infants and children according to the age of infants and children as it can be easily disassembled for child seats and trays, making it easy for parents to operate. is about

In order to improve the above problems, the infant wagon with improved ease of use according to the present invention is

In the infant wagon, which is composed of a folding body frame, wheel part, seat part, and canopy skin, and serves as a means of transportation for infants,

The foldable body frame

A frame forming a rectangular frame structure erected upright at the front end in the shape of a circular rod, the front main frame supporting the front of the folding body frame;

A frame forming a rectangular frame structure erected upright at the rear end in the shape of a circular rod, the rear main frame supporting the rear of the folding body frame;

This is achieved by being symmetrically coupled to and supported by the left and right ends of the front main frame and the rear main frame, respectively, and configured with a side frame that is folded in a rotating shaft structure.

As described above, in the present invention, the stability and durability of the wagon for infants are ensured, the frame structure is simplified to facilitate portability and storage, and the riding comfort is maintained by maintaining a comfortable posture according to the age and physical growth of the person being protected. can be moved stably, the number of unnecessary frames is reduced, the overall weight is reduced, the production cost is reduced, and the product competitiveness is secured. The child seat and tray can be easily detached, making it easy for parents to operate, and when the child seat is combined, it can be supported stably, which has a good effect on riding comfortably according to the age of infants and children.

1 is a perspective view showing the overall shape of a wagon for infants with improved usability according to the present invention;
2 is an exploded perspective view showing the component to which the wagon canopy skin of the wagon for infants with improved ease of use according to the present invention is selectively coupled;
3 is a perspective view showing the overall shape of a wagon for infants with improved ease of use according to the present invention;
4 is an exploded perspective view showing the components to which the wagon canopy skin of the wagon for infants with improved ease of use according to the present invention is selectively coupled;
5 is an exploded perspective view showing the components of the folding body frame and the wheel part according to the present invention by disassembling;
6 is a perspective view showing the overall shape of the folding body frame according to the present invention;
7 is an exploded perspective view showing the components of the folding body frame according to the present invention by disassembling;
8 is a partial enlarged view showing the overall shape of the front main frame according to the present invention, and showing an enlarged part;
9 is an exploded view of the front wheel coupled to the lower end of the front main frame according to the present invention, and a partially enlarged view showing the coupled portion;
10 is a partial enlarged view showing the overall shape of the rear main frame according to the present invention, and showing an enlarged part;
11 is an exploded view of the rear wheel coupled to the lower end of the rear main frame according to the present invention, and a partially enlarged view showing the coupled portion;
12 is a partial enlarged view showing the overall shape of the side frame according to the present invention, and showing an enlarged part;
13 is an exploded perspective view showing a shape in which the tray part is coupled to the seat part according to the present invention;
14 is a partial enlarged view showing the tray portion is coupled to the seat portion according to the present invention, and the coupled portion is enlarged;
15 is a partial enlarged view illustrating a shape in which a chair seat part is coupled to a seat part according to the present invention, and a part of the chair seat part is enlarged;
16 is a partially enlarged view showing a chair seat portion coupled to the seat portion according to the present invention, and the coupled portion is enlarged;
17 is an enlarged view of an embodiment of adjusting the height of a chair seat part through a length adjusting part connected to a fixing clip of the chair seat part according to the present invention;
18 is an enlarged view of an embodiment in which the angle of the backrest of the chair seat is adjusted through the length adjusting part connected to the fixing belt of the chair seat according to the present invention;
19 is a partially enlarged view showing the folding handle formed on the outer surface of the vertical connection frame according to the present invention and the locking protrusion formed therein;
20 is an enlarged embodiment in which the locking projection is separated from the inner side of the auxiliary link frame by pulling the folding handle formed on the outer surface of the vertical connection frame according to the present invention to the top, and the lock is released to rotate the side upper frame and the side lower frame The embodiment shown in
21 is an exploded view of the wagon canopy coupled to the upper end of the foldable body frame according to the present invention, and a partial enlarged view showing an enlarged part of the canopy fixing pole;
22 is a partial enlarged view showing an exploded view of the stroller canopy skin coupled to the upper end of the foldable body frame according to the present invention, and the coupled part is enlarged;
23 is an embodiment view showing a state in which the lock of the folding body frame according to the present invention is unlocked and the vertical connection frame is raised and folded;
24 is a folding embodiment diagram showing the changing order of the folded state in the unfolded state of the foldable body frame in the lateral direction according to the present invention by arranging the arrows.

Hereinafter, preferred embodiments according to the present invention will be described with accompanying drawings.

1 is a perspective view showing the overall shape of a wagon for infants with improved ease of use according to the present invention, which is a foldable body frame 100 , a wheel part 200 , a seat part 300 , and a canopy skin 400 . Consists of, where the foldable body frame 100 is composed of the front main frame 110, the rear main frame 120, the side frame 130.

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

The foldable body frame 100 is a rectangular frame-shaped frame that supports the body of the infant wagon 1 as a whole, and the central part is folded or unfolded based on the front-rear direction to change the shape.

The foldable body frame 100 according to the present invention includes a front main frame 110 , a rear main frame 120 , and a side frame 130 .

First, the front main frame 110 according to the present invention will be described.

The front main frame 110 is a frame forming a rectangular frame structure erected upright at the front end in a circular rod shape, and supports the front of the folding body frame.

This includes an upper shaft support fixture 111 , a lower shaft support fixture 112 , a main support frame 113 , and a front handle frame 114 .

The upper shaft support fixture 111 is formed symmetrically on the upper left and right ends of the front main frame, respectively, is supported by being coupled to the upper front end of the side frame on one rear side and supported by a rotation axis, and is vertically downward on one side of the upper surface. An insertion hole is formed to insert and support the canopy fixing pole 411 in the shape of a circular rod.

In the upper shaft support fixture 111 according to the present invention, a pole insertion hole 111a into which a circular rod-shaped canopy fixing pole 411 is inserted in the vertical lower direction is formed on one upper side of the upper shaft support fixture, and the pole insertion A pole fixing switch 111b in the shape of a switch for vertically inserting and fixing the canopy fixing pole 411 is formed as it slides on one side of the hole.

Here, the pole fixing switch 111b has a pole lock frame having an oval hole formed therein and is inserted into the upper shaft support fixture, the canopy fixing pole passes through the oval hole of the pole lock frame, and the upper end of the canopy fixing pole And one side of the pole lock frame is inserted and supported in the pole fixing groove (411a) formed on one side of the lower end.

At this time, after pulling out the upper shaft support fixture 111 and the canopy fixing pole 411 vertically inserted into the main support frame 113 in the upper direction, slide the pole fixing switch to fix the pole formed at the bottom of the canopy fixing pole. When the canopy fixing pole is fixed so that one side of the pole fixing switch is inserted into the groove 411a, a canopy coupling mode capable of coupling the canopy 400 is formed, and after inserting the canopy fixing pole 410 in the lower direction, the pole When the canopy fixing pole is fixed so that one side of the pole fixing switch is inserted into the pole fixing groove 411 formed at the top of the canopy fixing pole by sliding the fixing switch, the canopy removal mode for detaching the canopy 400 is formed.

In this way, the fixed position of the canopy fixing pole can be easily changed through the sliding movement of the pole fixing switch 111b, so that the canopy 400 can be easily decoupled.

The lower shaft support fixture 112 is formed symmetrically on the lower left and right ends of the front main frame, respectively, is supported by being coupled to the lower front end of the side frame on one rear side and supported by a rotation axis, and the front wheel in the vertical upper direction on one side of the lower end surface The part is coupled and serves to support the front wheel part.

This includes a front wheel rotation fixed switch 112a and a front wheel detachment switch 112b.

The front wheel rotation fixing switch 112a is a switch that is located in front of the lower shaft support fixture and moves in the vertical direction, and the rotation fixing pin insertion groove 112a-1 on the front side of the lower surface of the lower shaft support fixture according to the vertical direction adjustment. ) by fixing and separating the rotation fixing pin 211a inserted in the ) serves to control the horizontal 360-degree rotation of the front wheel portion 210.

Here, when the front wheel rotation fixing switch 112a is moved in the upper direction, the rotation fixing pin 211a inserted into the rotation fixing pin insertion groove 112a-1 of the lower shaft support fixture is detached and the front wheel frame 211 is the front wheel. It is set to a direction change mode in which 360 degree rotation is possible in the horizontal direction based on the coupling pin (211b), and when the front wheel rotation fixing switch (112a) is moved in the lower direction, the rotation fixing pin is located on the front side of the lower end surface of the lower shaft support fixture. (211a) is coupled to block the horizontal rotation of the front wheel frame 210 is set in a straight mode for fixing.

Here, according to the selection of the guardian, it is selectively configured as one mode among the direction change mode and the straight mode.

In the direction change mode, the front wheel is not fixed in a certain direction and can rotate 360 degrees in the horizontal direction, thereby inducing a smooth direction change of the infant wagon, and reducing the fatigue of the guardian by reducing the force required when changing the direction.

In the straight mode, the front wheel is fixed to face the front and does not rotate in the horizontal direction, so it can move only in a straight direction. Reduces parental fatigue.

The front wheel detachment switch 112b is a switch that is located on one side of the outer surface of the lower shaft support fixture and moves in the vertical direction, and a coupling pin groove 112b-1 formed on the rear side of the lower end surface of the lower shaft support fixture according to the vertical direction adjustment. ), the front wheel detachable bar protruding in the inward direction is coupled to and separated from the coupling pin groove 211b-1 of the front wheel coupling pin 211b, and serves to decouple the front wheel part 210.

Here, when the front wheel detachment switch 112b is moved upward, the front wheel detachment bar protruding inward moves and is separated from the coupling pin groove 211b-1 to detach the front wheel part 210, and the front wheel detachment switch 112b ) is moved in the lower direction, the front wheel detachable bar protruding inward moves and is coupled to the coupling pin groove (211b-1) so that the front wheel part 210 is coupled to the lower end of the front frame.

Through this, it is possible to facilitate the detachment of the front wheel portion 210 to facilitate transport and storage of the infant wagon when not in use, and to facilitate maintenance and repair by enabling partial replacement when the front wheel portion is worn or damaged.

The main support frame 113 is a frame coupled in a rectangular frame shape based on the upper shaft support fixture and the lower shaft support fixture formed symmetrically on the left and right sides, and serves to support the front main frame as a whole.

The front handle frame 114 is uprightly coupled to the left and right front surfaces of the main support frame, and forms a handle structure at the upper end.

Here, the rotation shaft is symmetrically formed on one side of the upper left and right sides of the front handle frame 114, and the rotation control button 114a-1 is formed on the outer surface of the rotation shaft, and the front angle adjustment handle 114a connecting the upper left and right sides ) can be fixed by adjusting the angle of each step.

Here, the front angle adjustment handle 114a is a button-controlled rotation of the rotation control button that allows step-by-step angle adjustment, and the handle angle can be set according to the user's selection while pressing the left and right rotation control buttons.

At this time, the front angle adjustment handle (114a) is parallel to the main support frame and can be rotated over 10 steps from 0° in a folded state to an angle of 180° upright in the opposite direction.

It is rotated at a certain angle for each step, and the user's height and arm height, uphill and downhill, dragging or pushing from the front, etc., vary the angle according to convenience and minimize the force acting on the arm. The volume can be minimized by making it parallel to the main support frame.

In addition, if the angle of the front angle adjustment handle is set at a right angle to the outside when moving by pushing the front angle adjustment handle, the distance between the guardian's foot and the infant's wagon is widened to the maximum, which comes out according to the guardian's gait. It prevents the kickback phenomenon where the foot collides with the infant's wagon so that the guardian can walk comfortably, and the riding comfort of the infant is also increased.

Second, the rear main frame 120 according to the present invention will be described.

The rear main frame 120 is a frame forming a rectangular frame structure erected upright at the rear end in a circular rod shape, and supports the rear of the folding body frame.

This includes an upper shaft support fixture 121 , a lower shaft support fixture 122 , a main support frame 123 , and a rear handle frame 124 .

The upper shaft support fixture 121 is formed symmetrically on the upper left and right ends of the rear main frame, respectively, is supported by being coupled to the upper rear end of the side frame in front and supported by a rotation axis, and a pole is inserted in the vertical lower direction on one side of the upper surface. A hole is formed to insert and support the canopy fixing pole 411 in the shape of a circular rod.

The upper shaft support fixture 121 according to the present invention has a switch shape that is moved in a sliding manner on one side of the upper side of the pole insertion hole (121a) of the upper shaft support fixture, and a pole penetrating support frame is formed inside the switch for sliding movement. Accordingly, a pole fixing switch 121b for inserting and fixing the canopy fixing pole 411 is configured.

Here, the pole fixing switch 121b has a pole lock frame having an oval hole formed therein and is inserted into the upper shaft support fixture, the canopy fixing pole is passed through the oval hole of the pole lock frame, and the upper end of the canopy fixing pole is formed. And one side of the pole lock frame is inserted and supported in the pole fixing groove (411a) formed on one side of the lower end.

At this time, after pulling out the upper shaft support fixture 121 and the canopy fixing pole 411 vertically inserted into the main support frame 123 in the upper direction, slide the pole fixing switch to fix the pole formed at the bottom of the canopy fixing pole. When the canopy fixing pole is fixed so that one side of the pole fixing switch is inserted into the groove 411a, a canopy coupling mode capable of coupling the canopy 400 is formed, and after inserting the canopy fixing pole 411 in the lower direction, the pole When the canopy fixing pole is fixed so that one side of the pole fixing switch is inserted into the pole fixing groove 411a formed at the top of the canopy fixing pole by sliding the fixing switch, the canopy removal mode for detaching the canopy 400 is formed.

In this way, the fixed position of the canopy fixing pole can be easily changed through the sliding movement of the pole fixing switch 121b, so that the canopy 400 can be easily decoupled.

The lower shaft support fixture 122 is formed symmetrically on the lower left and right ends of the rear main frame, respectively, is supported by being coupled to the lower rear end of the side frame in the front and supported by a rotation axis, and the rear wheel portion is vertically on one side of the lower end in the upper direction. It is combined to support the rear wheel part.

The lower shaft support fixture 122 according to the present invention has an oval-shaped rear wheel detachable frame 122a that coincides with the upper insertion groove of the rear wheel in the vertical direction on one side of the lower end surface, and a coupling pin 122a on one front side of the rear wheel detachable frame -1) is protruded.

The rear wheel detachable frame (122a) is formed in the vertical direction on one side of the lower end surface of the lower shaft support fixture, is a frame having an oval-shaped cross section, is inserted into the upper insertion groove of the rear wheel frame, is inserted into the insertion groove, a push button type coupling pin (122a-1) is inserted into the insertion groove (221a) of the rear wheel frame serves to decouple the rear wheel portion (220).

Through this, it is possible to facilitate the detachment of the rear wheel part 220 to facilitate transport and storage of the infant wagon when not in use, and to facilitate maintenance and repair by enabling partial replacement when the rear wheel part is worn or damaged.

The main support frame 123 is a frame coupled to the upper shaft support fixture and the lower shaft support fixture formed symmetrically on the left and right in a rectangular frame shape, and serves to support the rear main frame as a whole.

The rear handle frame 124 is uprightly coupled to the left and right rear surfaces of the main support frame, and forms a handle structure at the top.

Here, a rotation shaft is formed symmetrically on one side of the upper left and right sides of the rear handle frame 124, and a rotation control button 124a-1 is formed on the outer surface of the rotation shaft to connect the upper left and right rear angle adjustment handles 124a. ) can be fixed by adjusting the angle of each step.

Here, the rear angle adjustment handle 124a is a button-controlled rotation of the rotation control button that allows step-by-step angle adjustment, and the handle angle can be set according to the user's selection while pressing the left and right rotation control buttons.

At this time, the rear angle adjustment handle (124a) is parallel to the main support frame and can be rotated in 10 steps from 0° in a folded state to an angle of 180° upright in the opposite direction.

It is rotated at a certain angle for each step, and the user's height and arm height, uphill and downhill, dragging or pushing from the front, etc., vary the angle according to convenience and minimize the force acting on the arm. The volume can be minimized by making it parallel to the main support frame.

In addition, when the rear angle adjustment handle is pushed and moved, if the angle of the rear angle adjustment handle is set to a 90° angle that is perpendicular to the outside, the distance between the guardian's foot and the infant's wagon is widened to the maximum, and it comes out according to the guardian's gait. It prevents the kickback phenomenon where the foot collides with the infant's wagon so that the guardian can walk comfortably, and the riding comfort of the infant is also increased.

Third, the side frame 130 according to the present invention will be described.

The side frame 130 is supported by being symmetrically coupled to the left and right ends of the front main frame and the rear main frame, respectively, and is folded in a rotating shaft structure.

It consists of a side upper frame 131 , a side lower frame 132 , and a vertical connection frame 133 .

The side upper frame 131 is a frame of a front and rear symmetric hinge structure constituting the upper end of the side frame, and is axis-coupled between the upper ends of the front main frame and the rear main frame, and rotates symmetrically based on a vertical connection frame in the center and fixed.

As shown in FIG. 24, in the infant wagon use mode, the frames located at the front and rear are horizontally fixed and laid down, and in the folding mode of the infant wagon, the frames located at the front and rear are vertically erected. is fixed with

In the side upper frame 131 according to the present invention, the tray part 310 and the chair seat part 320 are decoupled.

Here, the tray unit 310 has a rectangular tray shape, and a fixing clip 311 is formed on the left and right outer surfaces in a symmetrical vertical lower direction, and is decoupled from the left and right symmetric side upper frames.

Here, the chair seat part 320 has a back chair seat shape formed to face the front and rear, and the fixing clips 321 are formed on the left and right outer surfaces in a symmetrical vertical lower direction, so that the left and right side upper frame fronts are symmetrical. and decoupled at the rear.

The side lower frame 132 is a frame of a front and rear symmetric hinge structure constituting the lower end of the side frame, and is axially coupled between the lower ends of the front main frame and the rear main frame, and rotates symmetrically based on the vertical connection frame in the center and fixed.

As shown in FIG. 24, in the infant wagon use mode, the frames located at the front and rear are horizontally fixed and laid down, and in the folding mode of the infant wagon, the frames located at the front and rear are vertically erected. is fixed with

Here, the support frame 132a is integrally coupled to the front and rear left and right inner surfaces of the side lower frame to support the lower end of the seat portion 300 .

This is to minimize the number of frames of the infant wagon (1) by connecting the left and right symmetrical side lower frames to each other integrally without having a separate lower frame that can support the lower end of the folding body frame. This can reduce the overall weight, reduce production costs, and secure stability and durability by combining the left and right frames in one piece.

The vertical connection frame 133 is a frame that is erected in the vertical direction and formed with upper and lower link portions at the upper and lower ends, and the upper and lower front and rear directions have a link structure, and the inner rotation shaft of the side upper frame and the side lower frame and It is coupled with a link structure to support rotation.

The vertical connection frame 133 according to the present invention is in the shape of a slide-type handle formed on the outer surface of the upper link part, and the locking protrusion 133a-1 protruding from the lower side when lifting by pulling the slide handles located symmetrically left and right at the same time ) is moved to the inside, separated from the auxiliary link frame, unlocked and folded, and when the slide handle is released, the lock protrusion returns to its original position, and a folding handle 133a that is coupled to the inside of the auxiliary link frame and locked is formed.

Through this, the folding and unfolding shape of the wagon (1) for infants is easy, so even the guardian can easily change the shape and use and store it. can be prevented

In the side frame 130 according to the present invention, the central link portion is vertically penetrated and inserted into the vertical connection frame, and the auxiliary frame of the front and rear symmetric link structure is symmetrically coupled to the front and rear sides of the side upper frame and rotates. and an auxiliary link frame 134 for auxiliary support of the side upper frame is included.

Here, in the auxiliary link frame 134, a frame having a through hole in the center is inserted through the vertical connection frame and moved up and down along the vertical connection frame. is done

As shown in FIG. 24, in the use mode of the infant wagon, the front and rear link frames are rotated so that the center of the auxiliary link frame 134 is moved to the upper side of the vertical connection frame 133, and the infant wagon is in the folding mode In this case, the front and rear link frames are rotated so that the center of the auxiliary link frame 134 is moved to one side of the lower end of the vertical connection frame 133 .

This allows the side upper frame 131 positioned at the front and rear to rotate at the same rotational speed with respect to the vertical connection frame when the infant wagon 1 is converted to a use mode or a folding mode.

Through this, it is possible to secure stability when folding or unfolding the infant wagon by preventing the link rotation of the front and rear side upper frames in an asymmetric structure when changing the mode of the infant wagon (1). The secondary link rotation of the auxiliary link frame is formed at the same time as the primary link rotation, enabling smooth shape transformation.

In addition, it is possible to secure stability and durability by supporting the upper frame 131 that is horizontal in the front-rear symmetrical structure even in the use mode of the infant wagon 1 .

Next, the wheel part 200 according to the present invention will be described.

The wheel part 200 is fastened to the lower end in the front-rear direction of the folding body frame and serves to move the infant wagon.

It consists of a front wheel part 210 and a rear wheel part 220 .

The front wheel part 210 has a wheel shape that is respectively coupled to the left and right lower sides of the lower end of the front main frame and is formed so that the lower end touches the ground, supports the front lower end of the infant wagon, is rotated under the control of the parent, and rotates the infant wagon. It moves and stops.

It consists of a front wheel frame 211 and a front wheel 212 .

The front wheel frame 211 has a frame shape coupled left and right symmetrically to the lower surface of the lower shaft support fixture in the front direction, and the rotation fixing pin 211a is erected in front of the center of the upper surface, and is formed in the center rear of the upper surface. The coupling pin groove (211b-1) is formed in the front wheel coupling pin (211b) is formed upright.

Here, when the rotation fixing pin (211a) is inserted into the rotation fixing pin insertion groove (112a-1) formed on the front side of the lower end surface of the lower shaft support fixture coupled to the upper end, the front wheel part 210 goes straight through not rotating in the horizontal direction. mode, and when the rotation fixing pin 211a inserted into the fixing pin insertion groove 112a-1 is detached, the front wheel part 210 is set to a direction change mode in which 360° rotation in the horizontal direction is possible.

Here, when the front wheel coupling pin 211b is inserted into the coupling pin groove 211b-1 formed on one upper side of the coupling pin groove 112b-1 formed on the rear side of the lower end surface of the lower shaft support fixture, the front wheel part ( 110) is coupled to the foldable body frame, and when the front wheel detachable bar is detached from the coupling pin groove 211b-1, the front wheel part 110 is separated from the foldable body frame.

The front wheel 212 rotates the left and right axis of rotation in combination with the lower axis of the front wheel frame, so that the infant wagon can be moved.

The rear wheel part 220 is coupled to the lower left and right ends of the rear main frame 120, respectively, and supports the lower end of the infant wagon in the shape of a wheel formed so that the lower end touches the ground, and moves the infant wagon under the control of the guardian. and serves to stop.

It is composed of a rear wheel frame 221 , a rear wheel shaft 222 , and a rear wheel 223 .

The rear wheel frame 221 is symmetrically coupled to the rear lower left and right sides of the lower shaft support fixture 122, respectively, and serves to support the rear wheel portion as a whole.

The rear wheel shaft 222 has a circular rod shape axially coupled between the rear wheel frames symmetrically formed on the left and right sides, and a brake 222a is coupled to the center thereof.

Here, when the brake 222a is stepped on under the control of the guardian, it rotates based on the rotation axis and blocks the rotation of the rear wheel 223, and when the foot is released from the brake, the rear wheel 223 rotates make it possible

The rear wheel 223 is rotated by combining the left and right rotational shafts with the lower shaft of the rear wheel frame, so that the infant wagon can be moved.

Next, the seat portion 300 according to the present invention will be described.

The seat portion 300 has a rectangular basket shape and is fixed to the inner circumference and bottom of the foldable body frame by snap buttons, buckles, and Velcro, and serves to provide a space where the protector can comfortably rest in the infant wagon. .

A five-point coupling type safety belt is formed to face each other in the front inner direction and the rear inner direction of the seat portion according to the present invention, and supports both shoulders, waist, and both thighs of the infant so as not to be shaken.

Here, the 5-point combination seat belt covers the entire upper body, allowing infants and children of various ages to ride, from infants to children who have difficulty controlling their bodies.

In the seat portion 300 according to the present invention, the tray portion 310 and the chair seat portion 320 are decoupled.

The tray portion 310 has a rectangular tray shape, and fixing clips 311 are formed on the left and right outer surfaces in a symmetrical vertical lower direction, and are decoupled from the left and right symmetrical upper side frames.

This is a fixing groove (311a) is formed on one side of the outer center of the fixing clip (311), each coupled to one side of the left and right symmetric side upper frame 131, and a non-slip pin protruding from one side of the outer surface of the side upper frame (131a) is fixed.

At this time, the non-slip pin (131a) is inserted into the fixing groove (311a) of the tray part, and the tray part 310 fastened in the form of a clip on the left and right sides of the side upper frame slides in the longitudinal direction of the side upper frame. and can stably fix the tray part.

In this way, it is possible to prevent the objects, toys, food, etc. placed on the upper part of the tray from shaking or pouring.

The chair seat part 320 has a back chair seat shape formed to face the front and rear, and the fixing clips 321 are formed on the left and right outer surfaces in a symmetrical vertical lower direction, so that the left and right sides of the upper frame are symmetrical to the front and rear. decoupled at the rear.

The chair seat part 320 according to the present invention is formed on one side of the outer center of the fixing clip 321, and is inserted into and fixed to the non-slip pin 131a protruding from the outer surface of the upper frame on the side of the front and rear sides. (321a) is formed.

Here, in the fixing groove 321a, any one of the non-slip pins of the plurality of non-slip pins 131a formed in the longitudinal direction symmetrically left and right on the outer surface of the side upper frame is inserted.

At this time, in the fixing groove 321a, the anti-skid pin 131a of the side upper frame is inserted, and the chair seat part 320 fastened in a clip form on the left and right sides of the side upper frame slides in the longitudinal direction of the side upper frame. It is possible to stably fix the front chair seat part and the rear chair seat part, which are components of the chair seat part, respectively.

In addition, a five-point seat belt is applied to the chair seat part 320 according to the present invention.

In addition, the chair seat part 320 according to the present invention includes a fixing clip 321 and a fixing belt 322 .

The fixing clip 321 has a length adjusting part 321b formed on the strap belt formed in a symmetrical and vertical bottom direction on the left and right outer surfaces of the chair seat part to adjust the height of the chair seat part, and is fixed to the end of the strap belt and fixed to the upper end of the side It is first coupled to the frame.

The fixing belt 322 has a strap belt shape in which male and female buckles 322a and length adjustment portions 322b are formed in the vertical direction at the rear center and bottom of the chair seat portion. Adjusts the angle of the backrest of the seat part, and is secondarily coupled to the rear main frame.

In this way, the chair seat part 320 prevents sliding in the longitudinal direction in the front and rear directions through the fixing groove, prevents being biased in one direction, and enables stable seating, and a 5-point seat belt protects the person to be seated. By fixing the seat belt in a stable and comfortable position, the person to be seated on the chair can maintain a stable posture despite shaking and external shocks, and the riding comfort can be improved.

In addition, the chair seat unit 320 can easily adjust the height and angle of the backrest fixed to the inside of the folding body frame, so that it maintains a comfortable posture depending on the age and body growth of the person to be protected and improves riding comfort. It can improve user satisfaction.

Next, the canopy skin 400 according to the present invention will be described.

The canopy skin 400 is coupled to and decoupled from the upper end of the foldable body frame, and serves to protect a person to be protected from external environments such as sunlight, rain, and wind.

It consists of a wagon canopy skin 410 and a stroller canopy skin 420 .

The wagon canopy skin 410 has a rectangular side surface, a roof is formed in a quadrangular pyramid shape, is formed at the top of a folding body frame, and is decoupled, which is a canopy fixing pole 411, a canopy frame 412, and a canopy. It is composed of a sheet 413 .

The canopy fixing pole 411 has an upright circular rod shape, and is vertically inserted into the pole insertion hole 111a of the upper left and right upper shaft support fixtures 111 of the front main frame, and left and right of the rear main frame. The upper shaft support fixture 121 is vertically inserted into the upper surface pole insertion hole 121a and is arranged in a rectangular structure.

This is the inner frame of the pole fixing switch in the upper pole fixing groove in the state where each canopy fixing pole 411 is drawn out to the top by the pole fixing switches 111b and 121b located on the upper surfaces of the upper shaft support fixtures 111 and 121. When this is fixed, the wagon canopy skin coupling mode is formed, and when the inner frame of the pole fixing switch is fixed to the lower pole fixing groove in a state where each canopy fixing pole 411 is retracted to the bottom, the wagon canopy skin removal mode is formed do.

The canopy frame 412 has an 'X'-shaped central axis frame in the center of the upper end that forms an inclined surface in the shape of a quadrangular pyramid, and the ends of each frame are formed with a hinge structure to face the vertical bottom direction, so that the canopy fixing pole 411 and Combined, it serves to maintain the shape of the canopy sheet 413 when the canopy is installed.

The canopy sheet 413 is supported by being placed on the top of the canopy frame 412 to cover the top of the infant wagon so that it is not exposed to the outside. Velcro tape is formed on it so that it can be stably fixed.

The wagon canopy skin 410 according to the present invention covers the entire top of the folding body frame.

Through this, it is possible to protect the occupant from the external environment such as sunlight, rain, and wind, and to maintain comfort.

The stroller canopy skin 420 is decoupled by forming a stroller canopy-shaped roof symmetrically inwardly at the front and rear of the upper end of the foldable body frame, which is composed of a canopy support frame 421 and a canopy rotation shaft frame 422. do.

The canopy support frame 421 is a frame-shaped frame that is symmetrically erected left and right and has an angular top and is connected horizontally. is formed, an insertion groove (421a-2) is formed on one side of the lower end of the slide groove, is decoupled from one side of the front main frame and the rear main frame, and supports the canopy skin of the stroller.

Here, the slide groove 421a-1 has a groove shape formed in a vertical direction on the lower rear surface of the slide groove frame 421a as shown in FIG. When the projection (114b-2) formed on the upper end of the detachable switch (114b-1) is inserted into the insertion groove (421b-2) in the state in which the projection frame (114b) is inserted, the front stroller canopy is coupled, and the rear handle frame (124) ) When the projection (124b-2) formed on the upper end of the detachable switch (124b-1) is inserted into the insertion groove (421b-2) in the state in which the slide projection frame (124b) formed on the upper front left and right sides is inserted, the rear stroller The canopy is joined.

The canopy rotating shaft frame 422 is unfolded or folded in a sectoral shape based on the rotating shaft 422a coupled to the front left and right lower ends of the canopy support frame.

In this case, when the canopy sheet 423 is coupled to the sector-shaped frame and rotated in the upper direction with respect to the rotation axis, the canopy sheet 423 is folded and opened. do.

The stroller canopy skin 420 according to the present invention can be individually decoupled from the front and rear of the top of the foldable body frame, and it is easy to use even in a folded or unfolded state without detaching if necessary.

Through this, it gives a sense of openness to the view of the protected person on board, the protector can communicate with the protector by eye contact, and the behavior of the protector can be confirmed with the naked eye, thereby giving the protector a sense of stability.

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

First, pull the left and right folding handles of the vertically upright side frame of the children's wagon in the stored folding mode to the top to release the lock, and let the side top frame and side bottom frame unfold horizontally.

At this time, when the left and right folding handles are released, the lock protrusion is inserted into the auxiliary link frame lock groove, and the rotation of the side frame is fixed to form the use mode of the infant wagon.

Next, the chair seat portion is coupled to the folding body frame as necessary in consideration of the age, physical growth, activity, etc. of the person to be protected.

At this time, the anti-slip pins of the upper side frame are coupled to the fixing grooves formed in the fixing clips of the chair seat unit to fix the chair seat unit so that it does not move in the longitudinal direction of the side upper frame.

In addition, the height of the chair seat part is adjusted through the length adjusting part of the belt connected to the left and right fixing clips of the chair seat part, and the backrest angle of the chair seat part is adjusted through the length adjusting part of the belt connected to the rear.

In addition, it supports the infant's shoulders, waist, and both thighs so that they do not shake with the 5-point combination safety belt of the chair seat part.

Through this, the protector riding on the infant wagon can maintain a comfortable posture to improve riding comfort and move stably.

Next, if necessary, the tray unit is coupled to the folding body frame.

Next, one of the wagon canopy skin and the stroller canopy skin is selectively combined and installed on the upper end of the foldable body frame.

Next, after using the wagon for infants, the person to be protected is moved to a safe place, and the canopy skin, tray part, and chair seat part are separated.

In this case, the front wheel part and the rear wheel part can also be detached if necessary.

Finally, pull the left and right folding handles of the infant wagon to the top to release the lock, and fold the foldable body frame so that the side upper frame and side lower frame stand upright. do.

100: folding body frame 110: front main frame
111: upper shaft support fixture 112: lower shaft support fixture
113: main support frame 114: front handle frame
120: rear main frame 121: upper shaft support fixture
122: lower shaft support fixture 123: main support frame
124: rear handle frame 130: side frame
131: side upper frame 132: side lower frame
133: vertical link frame 134: auxiliary link frame
200: wheel part 210: front wheel part
220: rear wheel part 300: seat part
310: tray portion 320: chair seat portion
400: canopy skin 410: wagon canopy skin
420: stroller canopy skin

Claims (11)

In a wagon for infants that is composed of a folding body frame 100, a wheel part 200, a seat part 300, and a canopy skin 400, which serves as a means of movement for infants,
The foldable body frame 100 is
A frame forming a rectangular frame structure erected upright at the front end in the shape of a circular rod, the front main frame 110 supporting the front of the folding body frame;
A frame forming a rectangular frame structure erected upright at the rear end in the shape of a circular rod, the rear main frame 120 supporting the rear of the folding body frame;
It consists of a side frame 130 that is symmetrically coupled to and supported on the left and right ends of the front main frame and the rear main frame, and is folded in a rotating shaft structure,
The front main frame 110 is
An upper shaft support fixture 111 that is formed symmetrically on the upper left and right ends of the front main frame, and the rear one side is coupled and supported by rotation axis with the upper front end of the side frame;
A lower shaft support fixture 112 that is formed symmetrically on the lower left and right ends of the front main frame, and is supported by rotation axis coupling with the rear one side of the lower front end of the side frame,
A frame coupled in a rectangular frame shape based on the upper shaft support fixture and the lower shaft support fixture formed symmetrically on the left and right sides, the main support frame 113 supporting the front main frame as a whole;
In the infant wagon with improved ease of use, including a front handle frame 114 that is erected and coupled to the left and right front surfaces of the main support frame and forms a handle structure at the top,
The upper shaft support fixture 111 is
A pole insertion hole 111a into which a circular rod-shaped canopy fixing pole 411 is inserted in the vertical downward direction is formed on one side of the top surface of the upper shaft support fixture, and the canopy is fixed as it moves in a sliding manner on one side of the pole insertion hole Infant wagon with improved ease of use, characterized in that the pole fixing switch (111b) in the shape of a switch for vertically inserting and fixing the pole (411) is formed.
delete delete In a wagon for infants that is composed of a folding body frame 100, a wheel part 200, a seat part 300, and a canopy skin 400, which serves as a means of movement for infants,
The foldable body frame 100 is
A frame forming a rectangular frame structure erected upright at the front end in the shape of a circular rod, the front main frame 110 supporting the front of the folding body frame;
A frame forming a rectangular frame structure erected upright at the rear end in the shape of a circular rod, the rear main frame 120 supporting the rear of the folding body frame;
It consists of a side frame 130 that is symmetrically coupled to and supported on the left and right ends of the front main frame and the rear main frame, and is folded in a rotating shaft structure,
The side frame 130 is
It is a frame of a front and rear symmetrical hinge structure that forms the top of the side frame. The side top frame (131) is axially coupled between the top of the front main frame and the rear main frame, and rotates and fixed symmetrically based on the vertical connection frame in the center (131). )class,
It is a frame of a front and rear symmetrical hinge structure that forms the lower end of the side frame. It is axially coupled between the lower ends of the front main frame and the rear main frame, and the side lower frame (132) is rotated and fixed symmetrically based on the vertical connection frame in the center. )class,
It is a frame erected in the vertical direction and formed with upper and lower links at the upper and lower sides. The front and rear directions of the upper and lower sides are linked in a link structure, and are combined with the inner rotation shaft of the side upper frame and the lower side frame in a link structure to support rotation. It is composed of a vertical connection frame 133,
The side upper frame 131 is
In the shape of a square tray, a tray portion 310 in which a fixing clip 311 is formed in a symmetrical vertical lower direction on the left and right outer surfaces and is decoupled from the left and right symmetric side upper frames;
In the shape of a chair seat backrest formed to face the front and rear, the chair seat part is decoupled to the front and rear of the upper frame of the left and right sides by forming the fixing clips 321 in the symmetrical vertical lower direction on the left and right outer surfaces In the infant wagon with improved ease of use in which (320) is decoupled,
The chair seat part 320 is
The length adjusting part 321b is formed on the strap belt formed in the symmetrical and vertical lower direction on the left and right outer surfaces of the chair seat part to adjust the height of the chair seat part, and is fixed to the end of the strap belt and firstly coupled to the side upper frame. a clip 321;
It is a strap belt shape in which male and female buckles (322a) and length adjustment part (322b) are formed in the vertical direction at the center and bottom of the back of the chair seat part, and the angle of the backrest of the chair seat part is adjusted according to the length adjustment of the length adjustment part, , Infant wagon with improved ease of use, characterized in that it includes a fixing belt 322 that is secondarily coupled to the rear main frame.
delete delete According to claim 4, wherein the chair seat portion 320 is
It is formed on one side of the outer center of the fixing clip 321, and is inserted into and fixed to the non-slip pin (131a) protruding from the outer surface of the upper frame on the side of the front and rear sides. Infant wagon with improved convenience.
delete According to claim 4, The vertical connection frame 133 is
It is a slide-type handle formed on the outer surface of the upper link part, and the auxiliary link frame is unlocked and folded when the slide handle located symmetrically left and right is pulled at the same time to lift, and when the slide handle is released, it returns to its original position and is locked. Infant wagon with improved ease of use, characterized in that the handle (133a) is formed.
In a wagon for infants that is composed of a folding body frame 100, a wheel part 200, a seat part 300, and a canopy skin 400, which serves as a means of movement for infants,
The foldable body frame 100 is
A frame forming a rectangular frame structure erected upright at the front end in the shape of a circular rod, the front main frame 110 supporting the front of the folding body frame;
A frame forming a rectangular frame structure erected upright at the rear end in the shape of a circular rod, the rear main frame 120 supporting the rear of the folding body frame;
It consists of a side frame 130 that is symmetrically coupled to and supported on the left and right ends of the front main frame and the rear main frame, and is folded in a rotating shaft structure,
The canopy skin 400 is
A wagon canopy shape that forms a rectangular side and a roof is a quadrangular pyramid shape, and a wagon canopy 410 coupled to the upper end of the folding body frame;
It has a canopy shape for a stroller that forms a fan-shaped side surface and is made to be unfolded or folded, and one canopy of the stroller canopy skin 420 that is symmetrically coupled to the front and rear upper ends of the foldable body frame is selectively attached to the upper end of the foldable body frame (1). In the infant wagon with improved ease of use that is decoupled from the
The stroller canopy skin 420 is
It is a frame-shaped frame that is symmetrically erected left and right and has an angular top and is connected horizontally. A slide groove 421a is formed on the rear of the lower left and right sides to decouple on one side of the rear main frame and support the canopy that supports the canopy skin of the stroller. a frame 421;
Infant wagon with improved ease of use, characterized in that it consists of a canopy rotation shaft frame 422 that is unfolded or folded in a fan shape based on the rotation shaft 422a coupled to the front left and right lower ends of the canopy support frame.
delete

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