CN210592082U - Knapsack formula infant's handcart - Google Patents

Abstract

The utility model relates to a backpack type infant handcart, which comprises a backpack, wherein the backpack comprises a backpack back plate and a backpack cover, the backpack back plate is detachably connected with the backpack cover, a telescopic pull rod is embedded in the backpack back plate, the lower end of the telescopic pull rod is hinged with a first framework, the other end of the first framework is hinged with a second framework, the other end of the second framework is hinged with a third framework, and the first framework, the second framework and the third framework can be completely accommodated in the backpack cover when being accommodated; the second framework is also provided with a connecting piece and is detachably connected with a travelling crane support through the connecting piece, the travelling crane support is attached to the back cover and is arranged, and when the travelling crane support is detached and inverted, the second framework can be connected with the second framework through the connecting piece to realize the deformation of the infant trolley; the utility model discloses a simple structure, occupation space is little when accomodating, and its low in manufacturing cost, easy operation, portable.

Description

Knapsack formula infant's handcart

Technical Field

The utility model belongs to infant's articles for use field, concretely relates to knapsack formula infant's handcart.

Background

With the implementation of the two-child and multi-child policy and the improvement of the convenience of transportation, the frequency of activities such as carrying infants by parents to visit friends, attending outdoor activities, long-distance and short-distance travel is gradually increased, and in the process of the outgoing behaviors, the parents often encounter the situation that the infants want to take away and hold for a moment and need to sleep, and the parents are used as parents of children, especially parents carrying children out independently, and therefore, carrying an infant car specially is very inconvenient, and one of the activities is that: the common baby carriage occupies a large area and causes inconvenience for people to take a trip, and particularly has outstanding problems when people take public transportation means such as planes and trains, is not easy to carry and transport, and occupies large public social resources such as luggage compartments; the second step is as follows: when the child needs to embrace, the parents are required to vacate hands to take the baby carriage out of the way, so that the labor intensity of the parents is increased; and thirdly: most infant's cars show slightly heavy, can't be portable and can't satisfy the head of a family's diversified demand for the trip is carried the apparatus many, and the trip pressure is big, and it is inconvenient to go out.

Disclosure of Invention

In order to solve the problem that the infant car that exists among the above-mentioned prior art occupies that the local area is big, can't be portable and still need vacate the hand when idle and can't satisfy the diversified demand of head of a family, the utility model provides a knapsack formula infant handcart.

In order to achieve the above object, the technical solution of the present invention is: a backpack type infant trolley comprises a backpack, wherein the backpack comprises a backpack back plate and a backpack cover, the lower side of the backpack back plate is connected with the lower side of the backpack cover through a snap fastener, the other three sides of the backpack back plate are connected through zippers, a telescopic pull rod is embedded in the backpack back plate, the lower end of the telescopic pull rod is connected with a first framework through a joint to realize rotation and positioning of the first framework relative to the telescopic pull rod, the other end of the first framework is hinged with a second framework through the joint, the other end of the second framework is connected with a third framework through the joint to realize rotation and positioning of the third framework relative to the second framework, and the first framework, the second framework and the third framework can be completely accommodated in the backpack cover when being accommodated; still be provided with the connecting piece on the second skeleton and be connected with the driving support through connecting piece detachable, the installation of driving support laminating back of the body cover is convenient for bear and is gone out, works as invert after the driving support is pulled down and can pass through the deformation that the baby's shallow was realized to connecting piece and second skeleton connection.

Furthermore, the driving support is an arched support, the overlooking shape of the arched support is H-shaped, and the back cover is elliptical, so that the driving support can well bear large gravity, and the attached back cover which can be closed can be arranged on the backpack.

Further, the driving support comprises a supporting framework, the two ends of the supporting framework are connected with the outward extending mechanism through joints so as to enable the outward extending mechanism to rotate and position relative to the supporting framework, and the outward extending mechanism is far away from the walking wheels which are fixedly connected to one ends of the supporting framework.

Further, the connecting piece includes son, mother, the son homoenergetic of mother's positive and negative lock is pressed from both sides tightly fixedly by the quilt, son and second skeleton fixed connection, mother and driving support fixed connection.

Furthermore, the sub-part comprises a limiting cylinder, an I-shaped button is movably connected in the limiting cylinder, two sides of the I-shaped button are movably connected with one end of a positioning clamp, the other end of the positioning clamp protrudes out of the limiting cylinder and is in a bolt shape, a spring is arranged between the positioning clamps, and a pressure spring is arranged at the lower end of the button; when the button is pressed, the positioning clamp is accommodated in the limiting cylinder; the female part is in a cylindrical shape and is matched with the limiting cylinder in a clearance fit mode.

Furthermore, a groove is formed in the outer surface of the limiting cylinder, and a corresponding protrusion is formed in the female part.

Furthermore, the lower end of the telescopic pull rod is provided with a cross rod, and the cross rod is hinged with a U-shaped handrail for assisting children.

Furthermore, the cross rod is hinged with a folding sunshade, and one side of the folding sunshade is connected with the backpack back plate in a sewing mode.

Furthermore, the first framework, the second framework, the third framework and the traveling crane support are all made of light materials.

The utility model has the advantages that:

1. the utility model discloses an each skeleton of knapsack formula infant handcart is even as an organic whole with the knapsack to collapsible accomodating in the knapsack, driving support can laminate back of the body cover fixed mounting on the knapsack surface through the connecting piece, make infant handcart be the knapsack state when not using and can be born by the head of a family and accomodate certain debris, thereby liberated the head of a family's both hands, make the trip more convenient.

2. The utility model discloses a knapsack state when knapsack formula infant handcart is accomodate is very big has saved the occupation of land space to can carry in a long-distance, satisfied head of a family's diversified demand.

3. The utility model discloses a knapsack formula infant handcart simple structure, low in manufacturing cost, easy operation is portable.

4. When the user short distance was gone out, if only need use this product as the knapsack, can take off driving support, can effectively reduce knapsack weight, facilitate for the trip.

Drawings

Fig. 1 is a front view of the backpack-type infant stroller of the present invention in a backpack shape.

Fig. 2 is a side view of fig. 1.

Fig. 3 is an internal view in the direction of fig. 2.

Fig. 4 is a sectional view taken along the line a of fig. 3.

Fig. 5 is a schematic structural diagram of the traveling crane support of the present invention.

Fig. 6 is a schematic top view of an embodiment of the traveling crane support of the present invention.

Fig. 7 is a schematic view of the state of the trolley of the present invention.

Fig. 8 is a schematic view of the state of the cart according to the present invention.

Fig. 9 is a schematic view of the structure of the connector of the present invention.

Fig. 10 is a schematic view of the unlocking state of the sub-assembly of the present invention.

Fig. 11 is a schematic top view of a sub-assembly of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-11, the structure of the present invention is: a knapsack formula baby's handcart, the handcart includes knapsack 1, knapsack 1 includes knapsack backplate 11, dorsal scale 12, the downside of knapsack backplate 11 and the downside of dorsal scale 12 pass through snap-fastener or button connection, other three sides pass through zip fastener or snap-fastener connection, be inlayed in the knapsack backplate 11 and have telescopic pull rod 2, this telescopic pull rod 2 can be according to user's height control extension length, telescopic pull rod 2's lower extreme welded fastening has horizontal pole 21, horizontal pole 21 connects gradually U type handrail 6, the one end of folding sunshade 7, the one end of first skeleton 31 from the center to both sides through the joint, it can make two objects of connecting through it rotate relatively and angulate the location to close, the other end of folding sunshade 7 is sewed on knapsack backplate 11, the other end of first skeleton 31 articulates through the joint has second skeleton 32, one end of the second framework 32, which is far away from the first framework 31, is hinged with a third framework 33 through a joint; when in a storage state, the U-shaped handrail 6 and the folding sunshade 7 are folded and collected close to the backpack back plate 11, the first framework 31 and the backpack back plate 11 form an included angle of 60 degrees, the second framework 32 is parallel to the backpack back plate 11, the third framework 33 is rotated, folded and closely attached to the second framework 32, and the first framework 31, the second framework 32 and the third framework 33 are all positioned in the backpack 1; one side of keeping away from knapsack backplate 11 under the state of accomodating on second skeleton 32 welded fastening has a son 41, it is fixed with mother 42 to inlay on driving support 5, driving support 5 passes through mother 42 buckle on son 41 of second skeleton 32, after driving support 5 dismantles and overturns, mother 42 can also form the ground wheel of walking under the handcart state through son 41 and second skeleton 32 card solid on it. Specifically, the first frame 31, the second frame 32, and the third frame 33 are all provided with a support cloth or a support plate for seating a child in a stroller state when the three are in an unfolded state.

As a preferred technical scheme of the design, as shown in fig. 5-6, the traveling crane support 5 is an arch-shaped support, the overlooking shape of the arch-shaped support is H-shaped, the bearing capacity is increased, correspondingly, the back cover 12 is oval, the traveling crane support 5 and the back cover 12 are attached and mounted in a convenient backpack state, and the occupied space is reduced.

As a preferred technical scheme of the design, the oval back cover 12 is formed by EVA compression molding.

As a preferred technical solution of the present design, the top view shape of the traveling crane support 5 may also be an X-shape.

As a preferred technical solution of the present design, the first frame 31 and the second frame 32 are integrally formed, and the connection angle 311 between the two is preferably 120 °.

As a preferred technical solution of the present design, the driving support 5 includes a supporting framework 51, two ends of the supporting framework 51 are hinged with outward extending mechanisms 52, and one ends of the outward extending mechanisms 52 far away from the supporting framework 51 are fixedly connected with walking wheels 53, so that the trolley of the present invention has a larger landing area of the lower tray of the trolley through outward extension of the outward extending mechanisms 52 in a trolley state, and is more stable to push, that is, when a child steps on the legs and leans backwards, the safety can be effectively improved, and the trolley is prevented from toppling; in the contraction state, the occupied space is smaller, and when the backpack is used as a backpack, the feeling of the waist and the shoulders of a user is not influenced, so that the user experience is better; specifically, the outward extending mechanism 52 is a connecting rod or an expansion rod or a telescopic link mechanism, and the traveling wheel 53 can be a universal wheel or a caster with brake and spring shock absorption.

As a preferred technical scheme of the design, the sub-part 41 comprises a limiting cylinder 411, an i-shaped button 410 is movably connected in the limiting cylinder 411, two sides of a vertical connecting plate of the i-shaped button 410 are movably connected with one end of a positioning clamp 412, the other end of the positioning clamp 412 protrudes from the middle of the limiting cylinder 411 and is in a bolt shape, so that the main part 42 can be conveniently clamped, and a pressure spring 413 is arranged at the lower end of the button 412; when the button 410 is pressed, the positioning clip 412 is accommodated in the limiting cylinder 411 as shown in fig. 10; specifically, the female part 42 is cylindrical and is matched with the limiting cylinder 411 in shape to form clearance fit, so that the female part 42 can be inserted in the forward and reverse directions conveniently; the vertical connecting plate is 2, sliding rails 415 and sliding blocks 416 are arranged on the vertical connecting plate, the positioning clamp 412 is rotatably connected with the sliding blocks 416 through rotating pins 417, and a spring 414 is further arranged between the left sliding block and the right sliding block to facilitate automatic recovery of a locking state.

As a preferred technical scheme of the design, the outer surface of the limiting cylinder 411 is provided with a groove 415, and correspondingly, the female part 42 is provided with a corresponding protrusion, so that the male part 41 and the female part 42 are also limited from rotating axially when being clamped, and the driving support 5 is convenient to mount and carry.

As an optimal technical scheme of the design, the first framework 31, the second framework 32, the third framework 33 and the traveling crane support 5 are all made of light materials, and can be made of carbon fiber materials, aluminum alloy materials, titanium alloy materials and the like.

When the device is used specifically, the application of the invention will be further explained by taking three typical application scenarios as examples.

Typical backpack application scenarios: as shown in fig. 1-3, even if the second skeleton 32 is parallel to the backpack back plate 11 and is connected with the backpack back plate 11 through the first skeleton 31 to form an included angle space for storing articles of an article, the third skeleton 33 rotates to be folded and is tightly attached to the second skeleton 32, the first skeleton 31, the second skeleton 32 and the third skeleton 33 are contained in the backpack 1 by the elliptic back cover 12, the opening formed by the zipper 121 on the back cover 12 is used for taking the articles to be stored, wherein the sub-part 41 on the second skeleton 32 protrudes out of the traveling crane bracket 5 of the inherent H-shaped clip of the back cover 12, and a user can carry the backpack through the backpack straps.

Typical trolley case application scenario: as shown in fig. 7, the difference from the typical backpack-type application scenario is that the outwardly extending mechanism 52 of the driving support 5 near the bottom end of the backpack 1 is rotated out downwards through a joint to form a tug, and then the telescopic pull rod 2 is pulled out to serve as a pull handle.

Typical cart application scenarios: as shown in fig. 8, the zipper connecting the back plate 11 and the back cover 12 on three sides is unzipped, only the lower ends are connected, the first framework 31 and the back plate 11 are rotated to be coplanar through the joint, the second framework 32 is made to be horizontal through another joint, the third framework 33 and the second framework 32 are made to be in the same horizontal plane through the rotation of the connecting joint between the second framework 32 and the third framework 33, the upper walking wheel 53 of the upper walking frame 5 which is unfolded and unfolded is made to land, the upper mother part 42 of the upper walking frame is matched and clamped with the sub part 41 of the second framework 32, a child is placed on the lying position formed by the first framework 31, the second framework 32 and the third framework 33, the safety belts sewed on each framework are tied, the folding sunshade 7 is made to be sunshade-shaped through the corresponding joint rotation, when the child wants to be in a sitting and standing state, the U-shaped handrail 6 is adjusted to be horizontal, the joint between the second framework 32 and the third framework 33 is rotated to droop the third framework 33 by a certain angle, and the zipper 121 on the back cover 12 is unzipped to form the third framework 33 which avoids the opening and inclines downwards.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (9)

1. The backpack type infant trolley is characterized by comprising a backpack (1), wherein the backpack (1) comprises a backpack back plate (11) and a backpack cover (12), the backpack back plate (11) is detachably connected with the backpack cover (12), a telescopic pull rod (2) is embedded in the backpack back plate (11), the lower end of the telescopic pull rod (2) is hinged to one end of a first framework (31), the other end of the first framework (31) is hinged to a second framework (32), one end, far away from the first framework (31), of the second framework (32) is hinged to a third framework (33), and the first framework (31), the second framework (32) and the third framework (33) can be completely contained in the backpack cover (12) when being stored; still be provided with connecting piece (4) on second skeleton (32) to be connected with driving support (5) through connecting piece (4) detachable, driving support (5) laminating back of the body cover (12) installation works as invert after driving support (5) are pulled down and can pass through connecting piece (4) are connected with second skeleton (32).

2. Backpack infant pushchair according to claim 1, wherein the travelling carrier (5) is an arch-shaped carrier, correspondingly the back cover (12) is oval.

3. The backpack infant stroller of claim 2, wherein the arched cradle is H-shaped in plan view.

4. A backpack infant pushchair according to claim 3, wherein the cart support (5) comprises a support frame (51), wherein the support frame (51) is hinged at both ends thereof with outward extending mechanisms (52), and the ends of the outward extending mechanisms (52) away from the support frame (51) are fixedly connected with walking wheels (53).

5. A backpack infant stroller according to claim 1, wherein the connecting member (4) comprises a sub-member (41) and a mother member (42), the sub-member (41) can be clamped and fixed by the sub-member (41) when the mother member (42) is fastened in the forward and reverse directions, the sub-member (41) is fixedly connected with the second frame (32), and the mother member (42) is fixedly connected with the traveling rack (5).

6. The backpack infant stroller of claim 5, wherein the sub-member (41) comprises a limiting cylinder (411), an I-shaped button (410) is movably connected in the limiting cylinder (411), one end of a positioning clip (412) is movably connected to each of two sides of the I-shaped button (410), the other end of the positioning clip (412) protrudes out of the limiting cylinder (411) and is in a shape of a bolt, a spring (414) is arranged between the positioning clips (412), and a compression spring (413) is arranged at the lower end of the button (410); when the button (410) is pressed down, the positioning clip (412) is contained in the limiting cylinder (411); the female part (42) is cylindrical and is matched with the limiting cylinder (411) in shape to form clearance fit.

7. A backpack infant stroller according to claim 6, characterized in that the outer surface of the restraining canister (411) is provided with a groove (415) and the female part (42) is provided with a corresponding protrusion.

8. A backpack infant pushchair according to claim 4 or 7, wherein said telescopic pull rod (2) is provided at its lower end with a crossbar (21), said crossbar (21) being hinged with a U-shaped armrest (6) for supporting a child.

9. A backpack infant pushchair according to claim 8, wherein the cross bar (21) is further articulated with a folding sunshade (7), the other side of the folding sunshade (7) being sewn to the backpack back panel (11).

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