CN218477527U - Cart frame and cart - Google Patents

Abstract

The utility model discloses a shallow frame and shallow, include: a movable cart chassis; an inflatable frame operable between an inflated state and a deflated state supported on the stroller chassis; in an inflation state, the inflatable frame body forms a containing cavity with a storage outline, or the inflatable frame body and the cart chassis are combined to form the containing cavity with the storage outline. The utility model also provides a shallow including above-mentioned shallow frame. The utility model provides a pair of cart frame, it changes the design that goods railway carriage or compartment lateral wall comprises shaft-like frame from prior art into the inflatable framework, and inflatable framework texture is light, easily folding accomodating, portable.

Description

Cart frame and cart

Technical Field

The utility model relates to a handcart technical field, more specifically say, relate to shallow frame and shallow.

Background

The self-driving tour which is characterized by autonomy, leisure and small unity and aims at leisure and personalized experience is gradually created and serves as a new tour form. Compared with the traditional following tour, the tourist drives the vehicle and takes the sleeping bag, the simple bed, the tent, the cooker, the food and the like to go to the destination, the tour cost is low, and endless fun is brought to the tourist.

In order to transport goods such as tents, cookers, food, etc., more and more, the cart with the foldable storage function is popular with the public. The trolley guarantees that the trolley has a large enough transportation cargo compartment, and meanwhile, the trolley also needs to be capable of being stored in a trunk of the automobile, so that high requirements are provided for the storage function of the trolley. The existing folding cart mostly inherits the design concept that the wall plate and the bottom plate of the cargo compartment can be folded and stored simultaneously, for example, in the Chinese invention patent of application publication No. CN106627690A, a cart capable of being converted between a folding state and an unfolding state is disclosed, in the patent scheme, the wall plate of the cargo compartment comprises a front wall, a side wall and a rear baffle, and each front wall, each side wall and each rear baffle are formed by respective scissor type connecting rod assemblies. This kind of patent scheme structure is complicated, and weight is heavy when carrying, and is bulky.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent. Therefore, the utility model provides a shallow frame, it changes the goods railway carriage or compartment lateral wall from the design that prior art is constituteed by shaft-like frame into the inflatable framework, and inflatable framework texture is light, easily folding accomodating, portable.

The utility model also provides a shallow including above-mentioned shallow frame.

The utility model adopts the technical proposal that: providing a cart rack comprising:

a movable cart chassis;

an inflatable frame operable between an inflated state and a deflated state supported on the stroller chassis;

under the inflation state, the inflatable frame body forms a containing cavity with storage profiles, or the inflatable frame body and the cart chassis are combined to form the containing cavity with the storage profiles.

With the above structure, the cart chassis provides a flat cart structure for moving and supporting cargo. The inflatable frame is operable to switch between an inflated state and a deflated state by inflation and deflation. Under the inflation state, the inflatable framework can provide holding and bearing structure for storing the goods when the cart moves the goods for the goods can be piled up along the vertical direction in holding the chamber. The inflatable frame body plays a certain role in buffering when goods are transferred, is light in weight and is easier to carry compared with a solid rod-shaped structure. And adopt split type design between inflatable framework and the shallow chassis, be convenient for replace.

According to an embodiment of the present invention, the inflatable frame body is composed of a plurality of first bars, a plurality of second bars and a plurality of third bars, adjacent first bars, second bars and third bars being perpendicular to each other; the first rod, the second rod and the third rod are arranged in the X direction, the Y direction and the Z direction in a left side system corresponding to a right angle, and the plurality of first rods, the plurality of second rods and the plurality of third rods are connected to form a frame type structure, so that a containing cavity with a storage outline is formed.

According to an embodiment of the present invention, the first rod and/or the second rod and/or the third rod is provided with a connecting portion for detachable connection with the cart chassis; the connecting part is arranged to facilitate quick connection and separation between the inflatable frame and the cart chassis.

According to an embodiment of the present invention, the inflatable frame body is composed of a plurality of vertically arranged third bars, which are connected to each other and enclose the side wall forming the cavity; two adjacent third pole side bodies are connected promptly, and a plurality of third poles are the annular and connect gradually, and first third pole is connected with last third pole and is formed closed structure.

According to the utility model discloses an embodiment, inflatable framework comprises a plurality of first poles and a plurality of second pole, first pole with the second pole is end to end cross connection on the horizontal plane and is formed ring structure, and is a plurality of ring structure overlaps each other in the vertical direction and forms the lateral wall that holds the chamber.

According to an embodiment of the present invention, the cart chassis includes a support frame supported on a plurality of wheels and a towing handle swingably connected with the support frame.

According to the utility model discloses an embodiment, the support frame includes one or more horizontal poles and one or more vertical poles, the horizontal pole with the vertical pole be connected and constitute the supporting structure who has horizontal holding surface, a plurality of the wheel with the horizontal pole and/or the vertical pole is connected; the transverse rods and the longitudinal rods form a horizontal supporting structure for supporting the weight of cargoes.

According to an embodiment of the present invention, the cart chassis further comprises a plurality of guard plates, the guard plates are fixedly mounted at the corner positions of the supporting frame, and the inflatable frame body is supported at the inner side positions of the guard plates; the backplate sets up side or the four corners position at the support frame, can play the anticollision effect, avoids the inflatable framework to produce the damage because of suffering the impact.

According to the utility model discloses an embodiment, the backplate is including the bottom plate that the level set up and the right angle sideboard of being formed by the vertical upwards extension of bottom plate, bottom plate fixed mounting be in on the support frame.

A cart comprises a flexible lining and the cart frame, wherein the flexible lining is fixed on the inflatable frame, and an internal cargo compartment with an open top is formed in the inflatable frame when the inflatable frame is in an inflated state.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a cart frame in an embodiment of the present invention;

fig. 2 is a schematic structural view of the cart according to the embodiment of the present invention;

FIG. 3 is a perspective view of the frame body in the embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural diagram of a frame body according to another embodiment of the present invention;

fig. 6 is a perspective view of the cart chassis according to the embodiment of the present invention;

FIG. 7 is a partial enlarged view of the portion B in FIG. 6;

fig. 8 is a partial structural view of a cart chassis according to an embodiment of the present invention.

The reference numbers in the figures illustrate:

1. a cart chassis; 2. an inflatable frame; 3. a flexible liner;

11. a support frame; 12. a wheel; 13. a guard plate; 14. pulling the handle;

11a, a cross bar; 11b, a longitudinal bar;

13a, a bottom plate; 13b, a right-angle side plate;

21. a first lever; 22. a second lever; 23. a third lever; 24. a connecting portion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, the present embodiment provides a cart rack, including:

a movable cart chassis 1;

an inflatable frame 2, operable between an inflated condition and a deflated condition, supported on said stroller chassis 1;

wherein, under the inflation state, inflatable frame body 2 self forms the appearance chamber that has the storing profile, should hold the chamber and have the lateral wall that is the annular setting and set up the diapire in the lateral wall bottom, perhaps inflatable frame body 2 with shallow car chassis 1 combination forms the appearance chamber that has the storing profile, should hold the chamber and have the lateral wall that is the annular setting, and the diapire is the fretwork form, and the diapire constitutes by shallow car chassis 1 promptly.

Further, in the inflated state, the inflatable frame 2 has a frame-shaped structure, which is a hollow structure in the embodiment, and forms a supporting sidewall continuously along the vertical direction, and in another embodiment, the sidewall of the inflatable frame 2 has a continuous solid structure.

Further, in the present embodiment, since the inflatable frame 2 has a frame-shaped structure, it is not possible to directly store the goods, and small articles can leak from the mesh of the frame-shaped structure when storing the goods, and the function of transferring the goods cannot be performed. Therefore, it is necessary to install a flexible lining, which may be a waterproof cloth, in the cavity of the inflatable frame.

Specifically, referring to fig. 3, the inflatable frame 2 is composed of a plurality of first rods 21, a plurality of second rods 22 and a plurality of third rods 23, and the adjacent first rods 21, second rods 22 and third rods 23 are perpendicular to each other.

Further, in the present embodiment, the inflatable frame 2 is composed of four first bars 21, four second bars 22 and four third bars 23, wherein the four first bars 21 all correspond to the X direction in the right-angled left frame, the four second bars 22 all correspond to the Y direction, and the four third bars 23 all correspond to the Z direction. Two first rods 21 and two second rods 22 are connected end to end in a cross manner to form a horizontally arranged rectangular structure, and four third rods 23 are respectively arranged at four corners of the rectangular structure. The remaining two first bars 21 and two second bars 22 are connected end to end and cross-connected to form a horizontally disposed further rectangular structure, the four corners of which are connected to the upper ends of the third bars 23, thereby forming a frame-like structure of the inflatable frame 2

Likewise, in another embodiment, the inflatable frame 2 is composed of more than four first bars 21, more than four second bars 22 and more than four third bars 23, wherein the four first bars 21, the four second bars 22 and the four third bars 23 constitute the frame-shaped structure of the inflatable frame 2. The redundant first bars 21 are connected between two adjacent third bars 23, the redundant second bars 22 are connected between two adjacent third bars, and the redundant third bars 23 are connected between two adjacent first bars 21 and/or second bars 22.

Specifically, as shown in fig. 4, in this embodiment, a connecting portion 24 for detachably connecting with the stroller chassis 1 is disposed on the first rod 21 and/or the second rod 22 and/or the third rod 23.

Further, in the present embodiment, a plurality of connecting portions 24 are provided on the first rod 21 and the second rod 22, and the connecting portions 24 are formed by a rope structure with a certain length, and both ends of the rope structure are connected to the first rod 21 and/or the second rod 22 to form a ring-shaped fastener. Correspondingly, a button structure corresponding to the annular fastener, more specifically a long button, is arranged on the cart chassis 1. The connection between the connecting part 24 and the cart chassis 1 is realized by connecting the long buttons with the annular fasteners.

Further, in another embodiment, the connecting portion 24 is a snap structure, for example, a female snap is installed on the first rod 21 and/or the second rod 22, a male snap adapted to the female snap is installed on the stroller chassis 1, and the quick connection and disconnection of the connecting portion 24 and the stroller chassis 1 are realized by the quick insertion of the female snap and the male snap.

Further, in another embodiment, the connecting portion 24 is a conventional quick-connect structure such as a zipper, a push button, a hook and loop fastener, or a lace.

Specifically, in another embodiment, the inflatable frame 2 is composed of a plurality of vertically arranged third rods 23, and the plurality of third rods 23 are connected with each other and enclose the side wall of the cavity.

Further, the third rods 23 are arranged along the Z direction in the rectangular coordinate system, two adjacent third rods 23 are connected laterally, the plurality of third rods 23 are sequentially connected in an annular shape, and the first third rod 23 is connected with the last third rod 23 to form a closed structure.

Specifically, referring to fig. 5, in another embodiment, the inflatable frame 2 is composed of a plurality of first rods 21 and a plurality of second rods 22, the first rods 21 and the second rods 22 are connected end to end in a horizontal plane to form a ring structure, and a plurality of ring structures are vertically stacked to form a sidewall of the chamber.

Further, in another embodiment, the first bar 21 is disposed along an X direction in a rectangular coordinate system, the second bar 22 is disposed along a Y direction, the first bar 21 and the second bar 22 are connected end to end in a cross manner on a horizontal plane to form a rectangular structure, and a plurality of rectangular structures are stacked along a Z direction to form a sidewall of the cavity.

In particular, as shown in connection with fig. 6, the stroller chassis 1 comprises a support frame 11 supported on a plurality of wheels 12 and a towing handle 14, the towing handle 14 being pivotably connected to the support frame 11.

Further, the towing handle 14 has opposite ends, one of which is rotatably connected to the cart chassis 1, the other of which is a free end for towing,

specifically, as shown in fig. 8, the supporting frame 11 includes one or more cross bars 11a and one or more vertical bars 11b, the cross bars 11a are connected with the vertical bars 11b to form a supporting frame structure with a horizontal supporting surface, and the plurality of wheels 12 are connected with the cross bars 11a and/or the vertical bars 11 b.

Further, in this embodiment, the supporting frame 11 includes two cross bars 11a and two longitudinal bars 11b, the two longitudinal bars 11b are spaced and arranged in parallel, two ends of the two cross bars 11a are respectively fixedly connected with the two longitudinal bars 11b,

further, in the present embodiment, the two cross bars 11a are telescopic bars, which can be switched between an extended state and a retracted state.

Furthermore, in another embodiment, the supporting frame 11 includes two cross bars 11a and two longitudinal bars 11b, the two cross bars 11a are spaced and arranged in parallel, and two ends of the two longitudinal bars 11b are fixedly connected to the two cross bars 11a respectively.

Furthermore, in another embodiment, the supporting frame 11 includes two cross bars 11a and a longitudinal bar 11b, the two cross bars 11a are spaced and arranged in parallel, and two ends of the longitudinal bar 11b are respectively and fixedly connected with the two cross bars 11a to form an H-shaped structure.

Similarly, in another embodiment, the supporting frame 11 includes a cross bar 11a and two longitudinal bars 11b, the two longitudinal bars 11b are spaced and arranged in parallel, and two ends of the cross bar 11a are respectively and fixedly connected with the two longitudinal bars 11b to form an H-shaped structure.

Specifically, the stroller chassis 1 further includes a plurality of guard plates 13, the guard plates 13 are fixedly mounted at corner positions of the support frame 11, and the inflatable frame 2 is supported at an inner side position of the guard plates 13.

Further, as shown in fig. 6 and 7, in the present embodiment, four guard plates 13 are disposed on the cart chassis 1, and the four guard plates 13 are disposed at four corners of the supporting frame 11.

Specifically, the guard plate 13 includes a bottom plate 13a horizontally disposed and a right-angle side plate 13b formed by vertically extending the bottom plate 13a upward, and the bottom plate 13a is fixedly mounted on the support frame 11.

In another embodiment, shown in fig. 2, a stroller is disclosed, comprising a flexible liner 3 and the stroller frame of the embodiment, wherein the flexible liner 3 is fixed to the inflatable frame 2 and forms an open-topped interior cargo compartment within the inflatable frame 2 when the inflatable frame 2 is in the inflated state.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A cart rack, comprising:

a movable cart chassis (1);

an inflatable frame (2) operable between an inflated state and a deflated state, supported on the stroller chassis (1);

under the inflation state, the inflatable frame body (2) forms a containing cavity with a storage outline, or the inflatable frame body (2) and the cart chassis (1) are combined to form a containing cavity with a storage outline.

2. The cart frame of claim 1, wherein: the inflatable frame body (2) is composed of a plurality of first rods (21), a plurality of second rods (22) and a plurality of third rods (23), and the adjacent first rods (21), second rods (22) and third rods (23) are mutually perpendicular.

3. The cart rack of claim 2, wherein: the first rod (21) and/or the second rod (22) and/or the third rod (23) are provided with connecting parts (24) detachably connected with the cart chassis (1).

4. The cart frame of claim 1, wherein: inflatable framework (2) comprise a plurality of vertical third pole (23) that set up, and a plurality of third pole (23) interconnect and enclose and close and form the lateral wall of appearance chamber.

5. The cart frame of claim 1, wherein: the inflatable frame body (2) is composed of a plurality of first rods (21) and a plurality of second rods (22), the first rods (21) and the second rods (22) are connected in a head-to-tail crossing mode on the horizontal plane to form an annular structure, and the annular structures are overlapped with each other in the vertical direction to form the side wall of the containing cavity.

6. The cart frame of claim 1, wherein: the stroller chassis (1) comprises a support frame (11) supported on a plurality of wheels (12) and a towing handle (14), wherein the towing handle (14) is connected with the support frame (11) in a swinging manner.

7. The cart rack of claim 6, wherein: the support frame (11) comprises one or more cross rods (11 a) and one or more longitudinal rods (11 b), the cross rods (11 a) and the longitudinal rods (11 b) are connected to form a support structure with a horizontal support surface, and the plurality of wheels (12) are connected with the cross rods (11 a) and/or the longitudinal rods (11 b).

8. The stroller frame of claim 7, wherein: the trolley chassis (1) further comprises a plurality of guard plates (13), the guard plates (13) are fixedly mounted at corner positions of the supporting frame (11), and the inflatable frame body (2) is supported at the inner side positions of the guard plates (13).

9. The stroller frame of claim 8, wherein: the guard plate (13) comprises a bottom plate (13 a) arranged horizontally and a right-angle side plate (13 b) formed by vertically and upwardly extending the bottom plate (13 a), and the bottom plate (13 a) is fixedly mounted on the support frame (11).

10. A cart, characterized in that: comprising a flexible lining (3) and a pushchair frame according to any of claims 1 to 9, said flexible lining (3) being fixed to said inflatable frame (2) and forming an open-topped internal cargo compartment within the inflatable frame (2) when the inflatable frame (2) is in the inflated condition.

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