초록
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Provided herein is an infant wagon having improved convenience of use, wherein the infant wagon includes a front frame, a rear frame, a support frame, side frames, a front handle frame, and a rear handle frame, and is configured such that the axial distance between front wheels and rear wheels thereof is reduced, whereby it is possible to reduce the burden applied to the arms of a caregiver when the infant wagon is moved or when the direction of the infant wagon is changed, such that the radius of rotation of the infant wagon is reduced, whereby it is po...
Provided herein is an infant wagon having improved convenience of use, wherein the infant wagon includes a front frame, a rear frame, a support frame, side frames, a front handle frame, and a rear handle frame, and is configured such that the axial distance between front wheels and rear wheels thereof is reduced, whereby it is possible to reduce the burden applied to the arms of a caregiver when the infant wagon is moved or when the direction of the infant wagon is changed, such that the radius of rotation of the infant wagon is reduced, whereby it is possible to easily change the direction of the infant wagon, such that, when the infant wagon is pushed from the rear thereof to move the infant wagon.
대표
청구항
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1. A wagon configured for carrying a baby, comprising: a foldable main body frame;a wagon wheel unit connected to the foldable main body frame; anda seat unit disposed in the foldable main body frame;wherein the foldable main body frame comprises:a front frame disposed at a front end of the foldable main body frame;a rear frame disposed at a rear end of the foldable main body frame and including a lower end frame part bent upward at a center portion thereof;a support frame coupled to respective lower ends of the front frame and the rear frame, the suppor...
1. A wagon configured for carrying a baby, comprising: a foldable main body frame;a wagon wheel unit connected to the foldable main body frame; anda seat unit disposed in the foldable main body frame;wherein the foldable main body frame comprises:a front frame disposed at a front end of the foldable main body frame;a rear frame disposed at a rear end of the foldable main body frame and including a lower end frame part bent upward at a center portion thereof;a support frame coupled to respective lower ends of the front frame and the rear frame, the support frame being disposed in a forward-rearward direction and including a wagon middle shaft disposed at a central portion thereof, a front support frame part and a rear support frame part both connected to the wagon middle shaft, wherein the front support frame part and the rear support frame part are configured to be folded or unfolded in a symmetrical fashion to vary a shape of the support frame according to upward and downward movement of the wagon middle shaft;a side frame coupled to the front frame and the rear frame, the side frame including a first rod connected to a lower portion of the front frame at one end thereof, a second rod connected to an upper portion of the front frame at one end thereof, wherein the first rod and second rod are connected to each other at a first middle portion thereof by a first pin, and are configured to rotate each other with respect to the first middle portion in a symmetrical fashion, the side frame further including a third rod connected to another end of the first rod at one end thereof and connected to a lower portion of the rear frame at another end thereof, and a fourth rod connected to another end of the second rod at one end thereof and connected to an upper portion of the rear frame at another end thereof, wherein the third rod and fourth rod are connected to each other at a second middle portion thereof by a second pin, thereby intersecting each other, and are configured to rotate each other with respect to the second middle portion thereof; anda front handle frame including a front left rod, wherein a lower end of the front left rod is coupled to a left end of the front frame via a front left handle fixing clip, and a front right rod, wherein a lower end of the front right rod is coupled to a right end of the front frame via a front right handle fixing clip, the front left and right rods extending upwardly from the front frame, the front handle frame further including a front angle adjustment handle having a left end connected to an upper end of the front left rod via a front left rotating shaft and a right end connected to an upper end of the front right rod via a front right rotating shaft, the front handle frame further including a front left rotation control button disposed on the front left rotating shaft and a front right rotation control button disposed on the front right rotating shaft, such that the front angle adjustment handle is configured to rotate with respect to the front left and right rotating shafts and the front left and right rotation control buttons are configured to control, in a stepwise manner, a rotation angle of the front angle adjustment handle. 2. The wagon according to claim 1, further including a rear handle frame including a rear left rod, wherein a lower end of the rear left rod is coupled to a left end of the rear frame via a rear left handle fixing clip, and a rear right rod, wherein a lower end of the rear right rod is coupled to a right end of the rear frame via a rear right handle fixing clip, the rear left and right rods extending upwardly from the rear frame, the rear handle frame further including a rear angle adjustment handle having a left end connected to an upper end of the rear left rod via a rear left rotating shaft and a right end connected to an upper end of the rear right rod via a rear right rotating shaft, the rear handle frame further including a rear left rotation control button disposed on the rear left rotating shaft and a rear right rotation control button disposed on the rear right rotating shaft, such that the rear angle adjustment handle is configured to rotate with respect to the rear left and right rotating shafts and the rear left and right rotation control buttons are configured to control, in a stepwise manner, a rotation angle of the rear angle adjustment handle. 3. The wagon according to claim 1, wherein the front frame comprises lower end three-axis support fixing members, each of which including: a front wheel rotation fixing switch located at a front of each of the lower end three-axis support fixing members so as to move in an upward-downward direction, the front wheel rotation fixing switch being configured to move a rotation fixing pin formed in a lower end of each of the lower end three-axis support fixing members in the upward-downward direction such that the rotation fixing pin is fixed or separated to control 360-degree rotation of a front wheel drive wheel in a horizontal direction; anda front wheel detachment switch located at one side of an outer surface of each of the lower end three-axis support fixing members so as to move in the upward-downward direction, the front wheel detachment switch being configured to couple or separate a front wheel detachment pin formed in the lower end of each of the lower end three-axis support fixing members, such that a front wheel drive unit is coupled or separated in a vertical direction. 4. The wagon according to claim 1, wherein the wagon wheel unit comprises: a front wheel drive unit including a left and a right front wheel drive wheels coupled to respective left and right rear lower ends of the front frame such that the axle of each of the left and right front wheel drive wheels is disposed at a rear of the front frame; anda rear wheel drive unit including a left and a right rear wheel drive wheels coupled to respective left and right front lower ends of the rear frame such that the axle of each of the left and right rear wheel drive wheels is disposed at a front of the rear frame. 5. The wagon according to claim 4, wherein the front wheel drive unit comprises: front wheel fixing frames coupled to the left and right lower ends of the front frame in a symmetrical fashion, each of the front wheel fixing frames being formed in a shape of an elliptical cylinder, each of the front wheel fixing frames including a rotation fixing pin insertion recess disposed at an upper end thereof and a front wheel detachment pin insertion recess, each of the front wheel fixing frames configured to support an upper end of a front wheel elastic spring mounted under the front wheel fixing frame inside the front wheel fixing frame;front wheel shock absorption frames, each of the front wheel shock absorption frames being spaced apart from the respective left and right front wheel drive wheels in an upward direction and in the forward direction, each of the front wheel shock absorption frames being provided at one side of a front of left and right sides thereof with a first fixing shaft axially coupled to a side surface of a corresponding one of the front wheel fixing frames, each of the front wheel shock absorption frames being provided at one side of a middle of the left and right sides thereof with a front wheel rotating shaft axially coupled to the side surface of a corresponding one of the front wheel drive wheels, each of the front wheel shock absorption frames configured to support a lower end of a front wheel elastic spring mounted above the front wheel shock absorption frame inside the front wheel shock absorption frame; andbrake frames, each of the brake frames being spaced apart from the respective left and right front wheel drive wheels in the upward direction and in the rearward direction, one side of a middle of left and right sides of each of the brake frames being coupled to the front wheel rotating shaft, each of the brake frames being provided at a rear of an upper end thereof with a brake pad,wherein each of the front wheel drive wheels is coupled to the front wheel rotating shaft of each of the shock absorption frames so as to be rotatable. 6. The wagon according to claim 4, wherein the rear wheel drive unit comprises: rear wheel fixing frames fixed to inner rear wheel support frames, formed at left and right lower ends of the rear frame, each of the rear wheel fixing frames being formed in a shape of an elliptical cylinder;a rear wheel detachment grip being coupled to a rear of each of the rear wheel fixing frames, each of the rear wheel fixing frames being configured to support a rear end of a rear wheel elastic spring mounted under the rear wheel fixing frame inside the rear wheel fixing frame; andrear wheel shock absorption frames, each of the rear wheel shock absorption frames being coupled to a lower end of a corresponding one of the rear wheel fixing frames, each of the rear wheel shock absorption frames being provided at one side of a rear thereof with a rear wheel fixing shaft axially coupled to a corresponding one of the rear wheel fixing frames, each of the rear wheel shock absorption frames being configured to support the rear wheel elastic spring connected to a rear wheel rotating shaft disposed at one side of a front of the rear wheel shock absorption frame and axially coupled to a rear wheel brake unit, the rear wheel brake unit being coupled to an inside of each of the rear wheel shock absorption frames, each of the rear wheel drive wheels being coupled to an outside of a corresponding one of the rear wheel shock absorption frames,wherein the rear wheel brake unit is configured such that a rod-shaped brake rotating shaft is horizontally coupled to an inside of each of the rear wheel shock absorption frames, the rear wheel brake unit being provided at a middle thereof with a brake pad which has a rectangular area to control rotation of the rear wheel drive wheels,wherein the rear wheel drive wheels are configured to be rotated in a state in which left and right rotating shafts of the rear wheel drive wheels are coupled to the respective rotating shafts of the rear wheel shock absorption frames, andwherein each of the rear wheel fixing frames is axially coupled to the respective rear wheel shock absorption frame located at a lower end of the respective rear wheel fixing frame. 7. The wagon according to claim 6, wherein the rear wheel brake unit comprises: protruding wings being formed on front and rear sides of the rod-shaped brake rotating shaft;first gears being coupled to respective left and right ends of the brake rotating shaft, wherein the brake pad has a rectangular upper section, the brake pad being coupled to a middle of the brake rotating shaft in a state of being fitted on the brake rotating shaft in a lateral direction so as to rotate the brake rotating shaft under control of a user; androtating frames, each of which is located at one side of a rear of a corresponding one of the rear wheel shock absorption frames, the rotating frames being provided with second gears rotatably engaged with the first gears of the brake rotating shaft, each of the rotating frames being provided at one side of a lower end thereof with a brake pin which protrudes outward so as to be inserted into or separated from a rotation control recess formed in a corresponding one of the rear wheel drive wheels in order to control rotation of the rear wheel drive wheels. 8. The wagon according to claim 6, wherein the rear wheel drive unit is configured: such that a detachment button, formed at a center of an outer surface of each of the rear wheel drive wheels, is pushed such that semi-arc shaped detachment pins coupled to each other in an inward direction while being spaced apart from each other in a symmetrical fashion move in a central direction to separate pin protrusions coupled to each of the rear wheel shock absorption frames from the rear wheel shock absorption frame, whereby the rear wheel drive wheels are primarily separated and coupled; and such that a rear wheel detachment pin of the detachment grip, which is inserted into an outer through hole formed in an outer rear wheel support frame, which is aligned with an inner through hole formed in the inner rear wheel support frame, is separated and coupled to secondarily separate and couple an entirety of the rear wheel drive unit. 9. The wagon according to claim 1, further comprising a canopy unit, wherein the front frame comprises upper end two-axis support fixing members, lower end three-axis support fixing members, handle fixing clips, and canopy fixing poles, andwherein the upper end two-axis support fixing members are fixedly coupled to left and right upper ends of inner cylindrical frame parts of the front frame formed at a front of the foldable main body frame in a symmetrical fashion, each of the upper end two-axis support fixing members is provided with a pole insertion fixing hole which has a screw thread formed in an upper end thereof, the second rod of the side frame is connected to one of the upper end two-axis support fixing members via a pin, the canopy fixing poles extend downward through the pole insertion fixing holes so as to be inserted into the front frame, and each of the upper end two-axis support fixing members supports a pole protrusion fixing screw thread formed in an upper end of a corresponding one of the canopy fixing poles and a pole insertion fixing screw thread formed in a lower end of the corresponding one of the canopy fixing poles through engagement with the screw thread formed in the upper end of a corresponding one of the pole insertion fixing holes. 10. The wagon according to claim 9, wherein each of the handle fixing clips is selectively used in any one selected from between: a basket using mode, in which a basket fixing pin is inserted into a fixing pin insertion hole in a rear end of a guide rail of each of the handle fixing clips formed in a diagonal direction such that a basket frame lays down so as to be perpendicular to the front frame; anda basket folding mode, in which the basket fixing pin is inserted into the fixing pin insertion hole in a front end of the guide rail such that the basket frame is disposed vertically so as to be parallel to the front frame. 11. The wagon according to claim 9, wherein the canopy fixing poles are configured such that the pole insertion fixing screw thread, which is formed in the lower end of each of the canopy fixing poles, and the pole protrusion fixing screw thread, which is formed in the upper end of each of the canopy fixing poles, are selectively engaged with the screw thread in the pole insertion fixing hole formed in an upper end of a corresponding one of the upper end two-axis support fixing members. 12. A wagon configured for carrying a baby, comprising a foldable main body frame, a wagon wheel unit, a seat unit, and a canopy unit, wherein the foldable main body frame comprises:a front frame disposed at a front end of the foldable main body frame so as to stand up straight;a rear frame disposed at a rear end of the foldable main body frame so as to stand up straight and including a lower end frame part bent upward so as to have a recess;a support frame, which is a rectangular frame coupled to inside lower ends of the front frame and the rear frame, the support frame including a wagon middle shaft disposed at a middle thereof in a forward-rearward direction, the support frame including a front support frame part and a rear support frame part which are configured to be folded or unfolded in a symmetrical fashion to vary a shape of the support frame according to upward and downward movement of the wagon middle shaft;side frames coupled to left sides and right sides of the front frame and the rear frame between the front frame and the rear frame so as to be supported by the front frame and the rear frame, each of the side frames including a first rod connected to a lower portion of the front frame at one end thereof, a second rod connected to an upper portion of the front frame at one end thereof, wherein the first rod and second rod are connected to each other at a first middle portion thereof by a first pin, and are configured to rotate each other with respect to the first middle portion in a symmetrical fashion, each of the side frames further including a third rod connected to another end of the first rod at one end thereof and connected to a lower portion of the rear frame at another end thereof, and a fourth rod connected to another end of the second rod at one end thereof and connected to an upper portion of the rear frame at another end thereof, wherein the third rod and fourth rod are connected to each other at a second middle portion thereof by a second pin, thereby intersecting each other, and are configured to rotate each other with respect to the second middle portion thereof;a front handle frame coupled to left and right fronts of the front frame via front handle fixing clips so as to stand up straight, the front handle frame being configured such that front rotation control buttons are coupled to outsides of front rotating shafts formed at left and right upper ends of the front handle frame in order to control, in a stepwise manner, angles of a front angle adjustment handle; anda rear handle frame coupled to left and right rear portions of the rear frame via rear handle fixing clips so as to stand up straight, the rear handle frame being configured such that rear rotation control buttons are coupled to outsides of rear rotating shafts formed at left and right upper ends of the rear handle frame in order to control, in the stepwise manner, angles of a rear angle adjustment handle, andwherein the wagon wheel unit comprises:a front wheel drive unit including a left and a right front wheel drive wheels coupled to respective left and right rear lower ends of the front frame such that the axle of each of the left and right front wheel drive wheels is disposed at a rear of the front frame; anda rear wheel drive unit comprising:rear wheel fixing frames fixed to inner rear wheel support frames, formed at left and right lower ends of the rear frame, each of the rear wheel fixing frames being formed in a shape of an elliptical cylinder;a rear wheel detachment grip being coupled to a rear of each of the rear wheel fixing frames, each of the rear wheel fixing frames being configured to support a rear end of a rear wheel elastic spring mounted under the rear wheel fixing frame inside the rear wheel fixing frame; andrear wheel shock absorption frames, each of the rear wheel shock absorption frames being coupled to a lower end of a corresponding one of the rear wheel fixing frames, each of the rear wheel shock absorption frames being provided at one side of a rear thereof with a rear wheel fixing shaft axially coupled to a corresponding one of the rear wheel fixing frames, each of the rear wheel shock absorption frames being configured to support the rear wheel elastic spring connected to a rear wheel rotating shaft disposed at one side of a front of the rear wheel shock absorption frame and axially coupled to a rear wheel brake unit, the rear wheel brake unit being coupled to an inside of each of the rear wheel shock absorption frames, each of the rear wheel drive wheels being coupled to an outside of a corresponding one of the rear wheel shock absorption frames,wherein the rear wheel brake unit is configured such that a rod-shaped brake rotating shaft is horizontally coupled to an inside of each of the rear wheel shock absorption frames, the rear wheel brake unit being provided at a middle thereof with a brake pad which has a rectangular area to control rotation of the rear wheel drive wheels,wherein the rear wheel drive wheels are configured to be rotated in a state in which left and right rotating shafts of the rear wheel drive wheels are coupled to the respective rotating shafts of the rear wheel shock absorption frames,wherein each of the rear wheel fixing frames is axially coupled to the respective rear wheel shock absorption frame located at a lower end of the respective rear wheel fixing frame, andwherein the rear wheel brake unit comprises:protruding wings being formed on front and rear sides of the rod-shaped brake rotating shaft;first gears being coupled to respective left and right ends of the brake rotating shaft, wherein the brake pad has a rectangular upper section, the brake pad being coupled to a middle of the brake rotating shaft in a state of being fitted on the brake rotating shaft in a lateral direction so as to rotate the brake rotating shaft under control of a user; androtating frames, each of which is located at one side of a rear of a corresponding one of the rear wheel shock absorption frames, the rotating frames being provided with second gears rotatably engaged with the first gears of the brake rotating shaft, each of the rotating frames being provided at one side of a lower end thereof with a brake pin which protrudes outward so as to be inserted into or separated from a rotation control recess formed in a corresponding one of the rear wheel drive wheels in order to control rotation of the rear wheel drive wheels. 13. The wagon according to claim 12, wherein the rear wheel drive unit is configured: such that a detachment button, formed at a center of an outer surface of each of the rear wheel drive wheels, is pushed such that semi-arc shaped detachment pins coupled to each other in an inward direction while being spaced apart from each other in a symmetrical fashion move in a central direction to separate pin protrusions coupled to each of the rear wheel shock absorption frames from the rear wheel shock absorption frame, whereby the rear wheel drive wheels are primarily separated and coupled; and such thata rear wheel detachment pin of the detachment grip, which is inserted into an outer through hole formed in an outer rear wheel support frame, which is aligned with an inner through hole formed in the inner rear wheel support frame, is separated and coupled to secondarily separate and couple an entirety of the rear wheel drive unit.
