Folding luggage barrow structure

Abstract

The utility model discloses a folding luggage barrow structure which comprises a bottom frame, a handle structure and a wheel structure, the handle structure is arranged on the bottom frame in a folding mode, the wheel structure is arranged on the bottom frame in a folding mode, and the handle structure comprises two folding seats, a multi-section telescopic pull rod, a handle, a pull rod locking steel wire and a fixator. A right-angle fan-shaped groove is formed in the top surface of the folding seat; the bottom end of the multi-section telescopic pull rod is rotatably connected into the right-angle fan-shaped groove through a pin shaft and is locked through a pull rod locking steel wire; the fixer is positioned at the top of the rod body at the bottommost end of the multi-section telescopic pull rod; a plurality of U-shaped clamping grooves are evenly formed in the symmetrical side faces of the fixator. The folding bicycle is reasonable in structural arrangement, the wheel structure can be folded, the handle structure can be folded, the overall size after folding can be reduced, folding and carrying are convenient, when the folding bicycle is folded or unfolded, the handle structure can be fixed through the pull rod locking steel wire, and the wheel seat can be fixed through the wheel lock catch; and the stability and the reliability of folding or unfolding use are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of luggage carts, and in particular relates to a foldable luggage cart structure. Background Art

[0002] In order to improve the convenience of operation when shopping, picking up express delivery or checking small luggage, corresponding luggage carts are generally used. The luggage carts in the prior art are mainly structures formed by bending and welding pipes. Not only is the overall volume large, but it cannot be folded, which is not conducive to carrying or using outside. The Chinese patent publication number is: CN210760813U, and the patent name is: A portable folding luggage cart, which is mainly composed of a chassis frame, a support plate, a fixed seat, an axle, a first gear, a second gear, a wheel, a fixed frame and a sleeve. Although the support plate can be folded by the first gear and the second gear, in actual application, the wheels and the fixed seat cannot be folded, so the overall structure volume is still large after folding, which is not convenient to carry and use, and it cannot be effectively limited after folding or unfolding, so it is easy to unfold automatically when carrying, affecting the convenience and effectiveness of carrying, so the applicability and practicality are limited. Utility Model Content

[0003] The utility model aims to provide a foldable luggage cart structure which has a reasonable structure and is convenient for folding and carrying.

[0004] The technical solution to achieve the purpose of the utility model is a foldable luggage cart structure, including a bottom frame, a handle structure foldably arranged on the bottom frame, and a wheel structure foldably arranged on the bottom frame, wherein the handle structure includes two folding seats, a multi-section telescopic pull rod, a handle, a pull rod locking wire, and a fixer;

[0005] The folding seat is fixed on the bottom frame, and a right-angled fan-shaped groove is provided on the top surface of the folding seat;

[0006] The bottom end of the multi-section telescopic pull rod is rotatably connected to the right-angle fan-shaped groove through a pin shaft, and the two ends of the pull rod locking wire are located in the folding seat;

[0007] The multi-section telescopic pull rod is folded or unfolded in the right-angle fan-shaped groove with the pin as the center, and is locked by the pull rod locking wire;

[0008] The handle is fixed to the top of the multi-section telescopic rod, and the fixer is located at the top of the bottom end of the multi-section telescopic rod;

[0009] A plurality of U-shaped slots are evenly arranged on the symmetrical sides of the fixer.

[0010] It is further preferred that: the bottom frame comprises two long rods, two short rods, four right-angle connectors and two supporting ribs;

[0011] The long rod body and the short rod body are fixed to form a square-shaped frame edge through right-angle connectors in sequence, and the two ends of the supporting ribs are fixed to the middle of the long rod body through collars, and the supporting ribs are parallel to the short rod body;

[0012] The folding seat is fixed on the long rod body, and the two supporting ribs are located between the two folding seats.

[0013] It is further preferred that: the wheel structure comprises a wheel seat, a wheel, a wheel locking buckle and a wheel unlocking button;

[0014] The wheel seat can be rotatably sleeved on the middle part of the short rod body;

[0015] The wheel is fixed on the wheel seat, and the wheel locking buckle and wheel unlocking button are both arranged on the wheel seat;

[0016] The wheel seat is rotated and unfolded on the short rod body and locked and positioned by a wheel locking buckle. The wheel unlocking button realizes the unlocking of the wheel seat and the wheel seat can rotate on the short rod body.

[0017] It is further preferred that: a plug hole is provided on the top surface of the end of the supporting rib;

[0018] A C-shaped extension frame is arranged above the supporting rib rod, and the end of the C-shaped extension frame can be rotatably inserted in the insertion hole.

[0019] Further preferably, a load-limiting boss is integrally formed at a corner of the top surface of the right-angle connector.

[0020] Further preferably, inclined support feet are fixed on the wheel seat, and the inclined support feet and the wheel are located at two ends of the bottom surface of the wheel seat.

[0021] It is further preferred that: the width of the supporting rib rod from the short rod body matches the width of the wheel structure;

[0022] The wheel structure is folded and the wheel and the inclined support foot are located in the gap between the short rod body and the supporting rib rod.

[0023] Further preferably, the long rod is a round rod or a square rod, and the short rod is a round rod.

[0024] The utility model has positive effects: the structure of the utility model is reasonably arranged, and the handle structure thereof includes two folding seats, a multi-section telescopic pull rod, a handle, a pull rod locking wire and a fixer. When in use, not only the wheel structure but also the handle structure can be folded, which is beneficial to reducing the overall volume after folding and is convenient for folding and carrying. Moreover, when folding or unfolding, the handle structure can be fixed by the pull rod locking wire, and the wheel seat can be fixed by the wheel lock buckle, thereby ensuring the stability and reliability of folding or unfolding use, and having strong applicability and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0026] Figure 1 It is a schematic diagram of the opening structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the semi-folding structure of the utility model;

[0028] Figure 3 It is a schematic diagram of the fully foldable structure of the utility model.

[0029] Figure numerals: bottom frame 1, long rod body 11, short rod body 12, right-angle connector 13, supporting rib 14, handle structure 2, folding seat 21, telescopic pull rod 22, handle 23, pull rod locking wire 24, fixer 25, wheel structure 3, wheel seat 31, wheel 32, wheel locking buckle 33, wheel unlocking button 34, pin 4, socket 5, C-shaped expansion frame 6, load limiting boss 7, tilting support foot 8, right-angle fan-shaped groove 9, U-shaped slot 10. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example

[0032] See Figures 1 to 3As shown, a foldable luggage cart structure includes a bottom frame 1, a handle structure 2 foldably arranged on the bottom frame, and a wheel structure 3 foldably arranged on the bottom frame. In this embodiment, the bottom frame includes two long rods 11, two short rods 12, four right-angle connectors 13, and two supporting ribs 14. During assembly, the long rods and the short rods are fixed to form a square-shaped frame edge through right-angle connectors in sequence, and the two ends of the supporting ribs are fixed to the middle of the long rods through collars, and the supporting ribs are parallel to the short rods. The long rods can be square rods or round rods, and the short rods are round rods, so as to facilitate the folding operation of the wheel structure. The long rods and the short rods are metal structures, and the right-angle connectors are plastic structures or metal structures. The supporting ribs are square or round supporting ribs, and are metal structures or plastic structures.

[0033] During assembly, the handle structure 2 includes two folding seats 21, a multi-section telescopic pull rod 22, a handle 23, a pull rod locking wire 24 and a fixer 25; during installation, the folding seat is fixed on the bottom frame, specifically, the folding seat is fixed on the long rod body, and the two supporting ribs are located between the two folding seats. The folding seat is a plastic structure, the fixer is a metal or plastic structure, and in actual application, the top surface of the folding seat is provided with a right-angled fan-shaped groove 9; its right-angled fan-shaped groove is convenient for ensuring the stability and reliability of the corresponding position when folding or unfolding, and at the same time, the bottom end of the multi-section telescopic rod is rotatably connected to the right-angled fan-shaped groove through a pin shaft 4, and the two ends of the rod locking wire are in the folding seat; the multi-section telescopic rod is folded or unfolded in the right-angled fan-shaped groove with the pin shaft as the center, and is locked by the rod locking wire; the handle is fixed to the top of the multi-section telescopic rod, and the fixer is at the top of the bottom end of the multi-section telescopic rod; the symmetrical sides of the fixer are evenly provided with a number of U-shaped slots 10.

[0034] In actual application, the wheel structure includes a wheel seat 31, a wheel 32, a wheel locking buckle 33 and a wheel unlocking dial 34; during installation, the wheel seat can be rotatably sleeved on the middle part of the short rod body; the wheel is fixed on the wheel seat, and the wheel locking buckle and the wheel unlocking dial are both arranged on the wheel seat; the wheel seat is rotated and unfolded on the short rod body and locked and positioned by the wheel locking buckle, the wheel unlocking dial realizes the unlocking of the wheel seat and the wheel seat can rotate on the short rod body. The wheel seat is a plastic structure, and the wheel locking buckle and the wheel unlocking dial are metal or plastic structures. They are mainly used for locking when unfolding to ensure the stability and reliability of the wheel after unfolding, while the wheel unlocking dial can ensure the convenience and stability of folding.

[0035] In actual application, the top surface of the end of the support rib is provided with a socket 5; a C-shaped expansion frame 6 is provided above the support rib, and the end of the C-shaped expansion frame can be rotatably inserted into the socket. Through the above structure, it can be unfolded or folded, which is conducive to saving space and increasing the loading area.

[0036] In actual application, a load-limiting convex column 7 is integrally formed at the top corner of the right-angle connector. At the same time, an inclined support foot 8 is fixed to the wheel seat, and the inclined support foot and the wheel are located at both ends of the bottom surface of the wheel seat. The load-limiting convex column can be used to limit the edge of the object after loading to prevent it from falling, and the inclined support foot can be laid flat to rest, ensuring the stability and reliability of the position when laid flat.

[0037] In actual application, the width of the support rib from the short rod body matches the width of the wheel structure; the wheel structure is folded and the wheel and the tilting support foot are located in the gap between the short rod body and the support rib. With the above structure, the space occupied by the folding can be reduced after folding, making it convenient to carry and use.

[0038] The utility model has positive effects: the structure of the utility model is reasonably arranged, and the handle structure thereof includes two folding seats, a multi-section telescopic pull rod, a handle, a pull rod locking wire and a fixer. When in use, not only the wheel structure but also the handle structure can be folded, which is beneficial to reducing the overall volume after folding and is convenient for folding and carrying. Moreover, when folding or unfolding, the handle structure can be fixed by the pull rod locking wire, and the wheel seat can be fixed by the wheel lock buckle, thereby ensuring the stability and reliability of folding or unfolding use, and having strong applicability and good practicality.

[0039] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0040] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. A foldable luggage cart structure, comprising a bottom frame, a handle structure foldably arranged on the bottom frame, and a wheel structure foldably arranged on the bottom frame, characterized in that: The handle structure includes two folding seats, a multi-section telescopic pull rod, a handle, a pull rod locking wire and a fixer; The folding seat is fixed on the bottom frame, and a right-angled fan-shaped groove is provided on the top surface of the folding seat; The bottom end of the multi-section telescopic pull rod is rotatably connected to the right-angle fan-shaped groove through a pin shaft, and the two ends of the pull rod locking wire are located in the folding seat; The multi-section telescopic pull rod is folded or unfolded in the right-angle fan-shaped groove with the pin as the center, and is locked by the pull rod locking wire; The handle is fixed to the top of the multi-section telescopic rod, and the fixer is located at the top of the bottom end of the multi-section telescopic rod; A plurality of U-shaped slots are evenly arranged on the symmetrical sides of the fixer.

2. A foldable luggage cart structure according to claim 1, characterized in that: The bottom frame includes two long rods, two short rods, four right-angle connectors and two supporting ribs; The long rod body and the short rod body are fixed to form a square-shaped frame edge through right-angle connectors in sequence, and the two ends of the supporting ribs are fixed to the middle of the long rod body through collars, and the supporting ribs are parallel to the short rod body; The folding seat is fixed on the long rod body, and the two supporting ribs are located between the two folding seats.

3. A foldable luggage cart structure according to claim 2, characterized in that: The wheel structure comprises a wheel seat, a wheel, a wheel locking buckle and a wheel unlocking dial button; The wheel seat can be rotatably sleeved on the middle part of the short rod body; The wheel is fixed on the wheel seat, and the wheel locking buckle and wheel unlocking button are both arranged on the wheel seat; The wheel seat is rotated and unfolded on the short rod body and locked and positioned by a wheel locking buckle. The wheel unlocking button realizes the unlocking of the wheel seat and the wheel seat can rotate on the short rod body.

4. A foldable luggage cart structure according to claim 3, characterized in that: The top surface of the end of the supporting rib is provided with a plug hole; A C-shaped extension frame is arranged above the supporting rib rod, and the end of the C-shaped extension frame can be rotatably inserted in the insertion hole.

5. The foldable luggage cart structure according to claim 2, characterized in that: A load-limiting convex column is integrally formed at the top corner of the right-angle connector.

6. The foldable luggage cart structure according to claim 3, characterized in that: An inclined support foot is fixed on the wheel seat, and the inclined support foot and the wheel are located at two ends of the bottom surface of the wheel seat.

7. A foldable luggage cart structure according to claim 6, characterized in that: The width of the supporting rib from the short rod body matches the width of the wheel structure; The wheel structure is folded and the wheel and the inclined support foot are located in the gap between the short rod body and the supporting rib rod.

8. The foldable luggage cart structure according to claim 2, characterized in that: The long rod body is a round rod body or a square rod body, and the short rod body is a round rod body.

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