Luggage cart with folding and unfolding rack structure

Abstract

The utility model relates to the technical field of luggage carts, and discloses a luggage cart with a folding and unfolding rack structure, a luggage cart main body rack is provided with the folding and unfolding rack mechanism, the folding and unfolding rack mechanism comprises two lifting sleeves, the two lifting sleeves are connected to the luggage cart main body rack in a sliding mode, and one side of each lifting sleeve is provided with a frame plate. Through the design of the folding and unfolding rack mechanism, when the luggage barrow main body rack is used, luggage can be placed on the luggage barrow main body rack, if the luggage is more, the frame plate can be swung and unfolded towards the horizontal plane, and on the basis, the total length of the unfolded luggage barrow main body rack can be adjusted by adjusting the distance of the extension plate extending out of the outer side of the frame plate; the luggage rack can be flexibly unfolded and stored through the operation, is more flexible to use, and can avoid the situation that when a large amount of luggage is stacked on one plane, the luggage rack is easy to collapse.

Description

TECHNICAL FIELD

[0001] The utility model relates to a luggage cart technical field especially is involved in a luggage cart with the structure of folding and unfolding frame. BACKGROUND

[0002] In travel activities such as going out, luggage carts are often used to transport luggage, thereby reducing the pressure on the carrier. In airports, luggage carts are often provided for passengers to use, thereby facilitating the transfer of passengers within the airport.

[0003] Patent publication number CN221293579U discloses an airport luggage trolley, which places the goods on the base push plate, connects the fixed strap across the goods with the connecting buckle, binds the fixed strap after connection, avoids the problem of goods falling during movement, and provides higher safety. The device can provide power under the action of the battery pack inside the placement cavity, so that the positive and negative motors drive the driving wheel to move the base push plate under the action of the belt, thereby avoiding manual pushing, improving work efficiency, saving manpower, and making use more convenient. After the brake disc is pushed down by the electric push rod and contacts the brake column, it can be braked and fixed, avoiding movement of the trolley, making braking more convenient, and reducing the generation of safety hazards.

[0004] The above airport luggage trolley has a similar structure to existing trolleys and does not have a shelf layering or extending function, which leads to the problem that when the user has many types of goods, the goods can only be stacked on the bracket. Therefore, when dealing with a large number of goods, the upper layer of goods may collapse due to the large number of stacked layers, so a luggage cart with a folding and unfolding frame structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model provides a luggage cart with a folding and unfolding frame structure.

[0006] The utility model provides a luggage cart with a folding and unfolding frame structure adopts the following technical scheme: a luggage cart with a folding and unfolding frame structure, comprising a luggage cart main frame, a folding and unfolding frame mechanism is arranged on the luggage cart main frame;

[0007] The expansion frame mechanism comprises two lifting sleeves, both of which are slidingly connected to the luggage cart main frame, one side of the lifting sleeve is provided with a frame plate, the lifting sleeve is fixedly connected with a mounting seat on one side, the mounting seat is rotatably connected with a hexagonal sleeve, the hexagonal sleeve penetrates the mounting seat, the frame plate extends into the inside of the mounting seat, the hexagonal sleeve penetrates the frame plate and is fixedly connected with the frame plate, the inside of the frame plate is slidingly connected with an extension plate, the extension plate extends out of the outside of the frame plate, the first rod body is fixedly connected between the two frame plates, and the second rod body is fixedly connected between the two extension plates.

[0008] By adopting the above technical scheme, during the use of the luggage cart main frame, the luggage can be placed on the luggage cart main frame, if the luggage is more, the frame plate can be swung and expanded in the horizontal direction, and on this basis, the distance of the extension plate extending out of the outside of the frame plate can be adjusted to adjust the overall length after expansion, so as to adapt to the placing requirements of different quantities or volumes of luggage, so that the operation can be flexibly expanded and stored, and the use is more flexible, and the situation that the luggage can only be stacked on a plane and easily collapses when the luggage is more can be avoided.

[0009] As a further optimization, the first horizontal plate is fixedly connected between the two frame plates, the first through groove is formed between the two frame plates, the second horizontal plate is fixedly connected between the two extension plates, and the second horizontal plate penetrates the first through groove and matches the first through groove.

[0010] By adopting the above technical scheme, the second horizontal plate can move along the groove of the first through groove between the two first horizontal plates.

[0011] As a further optimization, the first threaded rod is rotatably connected between the two first horizontal plates, the first rod body is arranged on the two sides of the first threaded rod respectively, the first threaded rod penetrates the second horizontal plate and is threadedly connected with the second horizontal plate, and the first threaded rod is fixedly connected with the first rotating plate at one end.

[0012] By adopting the above technical scheme, the first threaded rod drives the second horizontal plate to move after being rotated.

[0013] As a further optimization, the second through groove is formed in the two side walls of the frame plate, the second rod body penetrates the second through groove, the first rod body is arranged and distributed at equal intervals on the frame plate, and the second rod body is arranged and distributed at equal intervals on the extension plate.

[0014] By adopting the above technical scheme, the first rod body and the second rod body are arranged and distributed, and the luggage can be placed thereon.

[0015] As a further optimization, the two lifting sleeves are fixedly connected with a long plate, a second threaded rod is rotatably connected to the inside of the luggage trolley body frame, the second threaded rod penetrates through the long plate and is threadedly connected with the long plate, and a second rotating plate is fixedly connected to one end of the second threaded rod.

[0016] By adopting the above technical scheme, the second threaded rod can drive the long plate to move after being rotated.

[0017] As a further optimization, the folding and unfolding frame mechanism comprises a positioning assembly, the positioning assembly comprises two U-shaped plates, the two U-shaped plates are fixedly connected to two mounting seats respectively, a moving plate is slidably connected to the inside of the U-shaped plate, a hexagonal positioning rod is fixedly connected to the moving plate, and the hexagonal positioning rod extends into the hexagonal sleeve and matches with the hexagonal sleeve.

[0018] By adopting the above technical scheme, the hexagonal positioning rod can lock the hexagonal sleeve after being inserted into the hexagonal sleeve.

[0019] As a further optimization, a threaded adjusting rod is rotatably connected to the side of the moving plate away from the hexagonal positioning rod, and the threaded adjusting rod extends out of the U-shaped plate and is threadedly connected with the U-shaped plate.

[0020] By adopting the above technical scheme, the threaded adjusting rod can drive the moving plate to move after being rotated.

[0021] In summary, the utility model has the following beneficial technical effects:

[0022] 1. Through the design of the folding and unfolding frame mechanism, the luggage can be placed on the luggage trolley body frame during use of the luggage trolley body frame, if the luggage is more, the frame plate can be swung and unfolded in the horizontal direction, and on this basis, the distance of the extension plate extending out of the frame plate can be adjusted to adjust the overall length after unfolding, so as to adapt to the placing requirements of different quantities or volumes of luggage, and the operation can be flexibly unfolded and stored, and the use is more flexible, and the situation that the luggage can only be stacked on a plane and easily collapses when the luggage is more can be avoided.

[0023] 2. Through the design of the positioning assembly, the threaded adjusting rod is rotated, the threaded adjusting rod drives the moving plate to move after being rotated, the moving plate drives the hexagonal positioning rod to move away from the hexagonal sleeve, the frame plate can be controlled to rotate, the hexagonal positioning rod is inserted into the hexagonal sleeve after being controlled, and the locking purpose of the hexagonal sleeve is achieved, the limiting of the frame plate after swinging is realized through the operation, the operation is simple, the use threshold is low, and the operation can be quickly started. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic view of the structure of the utility model;

[0025] Figure 2Structure schematic diagram of the frame plate and the extension plate after unfolding in the utility model;

[0026] Figure 3 Side view of the luggage cart main frame in the utility model;

[0027] Figure 4 Schematic diagram of the hexagonal positioning rod leaving the hexagonal sleeve in the utility model;

[0028] Figure 5 It is Figure 4 The enlarged view of A in

[0029] Figure 6 Sectional view of the frame plate in the utility model;

[0030] Figure 7 It is Figure 6 The enlarged view of B in

[0031] Mark 1, luggage cart main frame; 2, folding frame mechanism; 21, lifting sleeve; 22, frame plate; 23, mounting seat; 24, hexagonal sleeve; 25, extension plate; 26, first rod body; 27, second rod body; 28, first cross plate; 29, first through slot; 291, second cross plate; 292, first threaded rod; 293, first rotating plate; 294, second through slot; 295, long plate; 296, second threaded rod; 297, second rotating plate; 298, U-shaped plate; 299, moving plate; 281, hexagonal positioning rod; 282, threaded adjusting rod. DETAILED DESCRIPTION

[0032] The following will be combined with the Figure 1 to Figure 7 The utility model is further explained in detail.

[0033] As Figures 1 to 7 Disclosed is a luggage cart with a folding frame structure, which comprises a luggage cart main frame 1, a folding frame mechanism 2 arranged on the luggage cart main frame 1, two lifting sleeves 21 of the folding frame mechanism 2, the two lifting sleeves 21 being slidably connected to the luggage cart main frame 1, a frame plate 22 arranged on one side of the lifting sleeve 21, a mounting seat 23 fixedly connected to one side of the lifting sleeve 21, a hexagonal sleeve 24 rotatably connected to the mounting seat 23, the hexagonal sleeve 24 penetrating through the mounting seat 23, the frame plate 22 extending into the inside of the mounting seat 23, the hexagonal sleeve 24 penetrating through the frame plate 22 and being fixedly connected with the frame plate 22, an extension plate 25 slidably connected to the inside of the frame plate 22, and the extension plate 25 extending out of the outside of the frame plate 22.

[0034] The first rod body 26 is fixedly connected between the two frame plates 22, the second rod body 27 is fixedly connected between the two extension plates 25, and the luggage can be placed on the luggage cart main frame 1 during use. When the luggage is more, the frame plate 22 can be swung and unfolded in the horizontal direction, and on this basis, the distance of the extension plate 25 extending out of the outer side of the frame plate 22 can be adjusted to adjust the overall length after unfolding, so as to adapt to the placing requirements of different amounts or volumes of luggage. Through the operation, the luggage cart main frame 1 can be flexibly unfolded and stored, and is more flexible to use, and can avoid the situation that when the luggage is more, it can only be stacked on one plane and easily collapses.

[0035] The first cross plate 28 is fixedly connected between the two frame plates 22, the first through slot 29 is formed between the two frame plates 22, the second cross plate 291 is fixedly connected between the two extension plates 25, the second cross plate 291 penetrates the first through slot 29 and matches the first through slot 29, the second cross plate 291 can move along the groove of the first through slot 29 between the two first cross plates 28, the first threaded rod 292 is rotatably connected between the two first cross plates 28, the first rod body 26 is arranged on the two sides of the first threaded rod 292, the first threaded rod 292 penetrates the second cross plate 291 and is connected with the second cross plate 291 through threads, one end of the first threaded rod 292 is fixedly connected with the first rotating plate 293, and the first threaded rod 292 drives the second cross plate 291 to move after being rotated;

[0036] The second through slot 294 is formed in the side wall of the frame plate 22, the second rod body 27 penetrates the second through slot 294, the first rod body 26 is arranged and distributed on the frame plate 22 at equal intervals, the second rod body 27 is arranged and distributed on the extension plate 25 at equal intervals, the first rod body 26 and the second rod body 27 are arranged and distributed, and the luggage can be placed thereon, the long plate 295 is fixedly connected between the two lifting sleeves 21, the second threaded rod 296 is rotatably connected to the inner side of the luggage cart main frame 1, the second threaded rod 296 penetrates the long plate 295 and is connected with the long plate 295 through threads, one end of the second threaded rod 296 is fixedly connected with the second rotating plate 297, and the second threaded rod 296 drives the long plate 295 to move after being rotated.

[0037] The retractable frame mechanism 2 comprises a positioning assembly, the positioning assembly comprises two U-shaped plates 298, the two U-shaped plates 298 are fixedly connected to the two mounting seats 23 respectively, a moving plate 299 is slidably connected to the inner side of the U-shaped plate 298, a hexagonal positioning rod 281 is fixedly connected to the moving plate 299, the hexagonal positioning rod 281 extends into the interior of the hexagonal sleeve 24 and matches the hexagonal sleeve 24, after the hexagonal positioning rod 281 is inserted into the interior of the hexagonal sleeve 24, the hexagonal sleeve 24 can be locked, a threaded adjusting rod 282 is rotatably connected to the side of the moving plate 299 away from the hexagonal positioning rod 281, the threaded adjusting rod 282 extends out of the U-shaped plate 298 and is connected with the U-shaped plate 298 through threads, and after the threaded adjusting rod 282 is rotated, the moving plate 299 can be driven to move.

[0038] In actual operation, when the device is used, the luggage can be placed on the luggage trolley body frame 1, if the luggage is more, the frame plate 22 can be swung and unfolded to the horizontal direction, before the frame plate 22 is unfolded, the first rotating plate 293 can be controlled to rotate according to the length required to be unfolded, the first rotating plate 293 drives the first threaded rod 292 to rotate, the first threaded rod 292 drives the second cross plate 291 to move, and the second cross plate 291 drives the two extension plates 25 to move, so that the length of the extension plate 25 extending out of the frame plate 22 is adjusted, and the unfolding length is adjusted to adapt to different needs.

[0039] After the length is adjusted, first, the threaded adjusting rod 282 is rotated, after the threaded adjusting rod 282 is rotated, the moving plate 299 is moved, the moving plate 299 drives the hexagonal positioning rod 281 to move away from the hexagonal sleeve 24, the frame plate 22 can be controlled to rotate, because there are six corners between the hexagonal positioning rod 281 and the hexagonal sleeve 24, after a single rotation of sixty degrees, the hexagonal positioning rod 281 drives the threaded adjusting rod 282 to move and is still inserted into the interior of the hexagonal sleeve 24 to lock the hexagonal sleeve 24, when the frame plate 22 is unfolded in the device, when the frame plate 22 is swung by sixty degrees, there is an included angle between the frame plate 22 and the side of the luggage trolley body frame 1 in the direction of the push handle, small articles can be placed between the included angle, and the stability is high, when the frame plate 22 is swung by one hundred and twenty degrees, the frame plate 22 is parallel to the horizontal plane, so that a horizontal supporting surface is formed, two layers of article placing platforms are formed on the luggage trolley body frame 1, and when the goods are more, the goods can be placed in layers, so that when the articles are more, the articles are not placed in a single layer and stacked, and the articles are not prone to collapse.

[0040] And on the basis of the above adjustment, after rotating the second threaded rod 296, the second threaded rod 296 drives the long plate 295 to move, the long plate 295 drives the lifting sleeve 21 to move, the lifting sleeve 21 drives the mounting seat 23 to move, the mounting seat 23 drives the frame plate 22 to move, and in combination with the above connection relationship, the height position of the frame plate 22 can be adjusted, so as to adapt to the placing requirements of different heights, and the flexibility and practicality during use are further improved.

[0041] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A luggage trolley having a stowaway frame structure, characterised in that: The luggage trolley body frame (1) is provided with a folding mechanism (2); The folding mechanism (2) comprises two lifting sleeves (21) which are both slidingly connected to the luggage trolley body frame (1), one side of the lifting sleeve (21) is provided with a frame plate (22), one side of the lifting sleeve (21) is fixedly connected with a mounting seat (23), the mounting seat (23) is rotatably connected with a hexagonal sleeve (24), the hexagonal sleeve (24) penetrates the mounting seat (23), the frame plate (22) extends into the inside of the mounting seat (23), the hexagonal sleeve (24) penetrates the frame plate (22) and is fixedly connected with the frame plate (22), the inside of the frame plate (22) is slidingly connected with an extension plate (25), the extension plate (25) extends out of the outside of the frame plate (22), the two frame plates (22) are fixedly connected with a first rod body (26), and the two extension plates (25) are fixedly connected with a second rod body (27).

2. The luggage trolley with a folding frame structure according to claim 1, characterized in that: The two frame plates (22) are fixedly connected with a first transverse plate (28), a first through slot (29) is formed between the two frame plates (22), and a second transverse plate (291) is fixedly connected between the two extension plates (25), the second transverse plate (291) penetrates the first through slot (29) and matches the first through slot (29).

3. A luggage trolley having a stowaway frame structure according to claim 2, wherein: The first transverse plate (28) is rotatably connected with a first threaded rod (292) between the two first transverse plates (28), the first rod body (26) is arranged on the two sides of the first threaded rod (292), the first threaded rod (292) penetrates the second transverse plate (291) and is connected with the second transverse plate (291) through threads, and the first threaded rod (292) is fixedly connected with a first rotating plate (293) at one end.

4. The luggage cart with a stowaway frame structure of claim 1, wherein: Second through slots (294) are formed in the two side walls of the frame plate (22), the second rod body (27) penetrates the second through slots (294), the first rod body (26) is arranged and distributed at equal intervals on the frame plate (22), and the second rod body (27) is arranged and distributed at equal intervals on the extension plate (25).

5. The luggage cart having a stowaway frame structure of claim 1, wherein: The two lifting sleeves (21) are fixedly connected with a long plate (295), and the inside of the luggage trolley body frame (1) is rotatably connected with a second threaded rod (296), the second threaded rod (296) penetrates the long plate (295) and is connected with the long plate (295) through threads, and the second threaded rod (296) is fixedly connected with a second rotating plate (297) at one end.

6. The luggage cart having a stowaway frame structure of claim 1, wherein: The folding mechanism (2) comprises a positioning assembly, the positioning assembly comprises two U-shaped plates (298), the two U-shaped plates (298) are fixedly connected to the two mounting seats (23) respectively, the inside of the U-shaped plate (298) is slidingly connected with a moving plate (299), the moving plate (299) is fixedly connected with a hexagonal positioning rod (281), the hexagonal positioning rod (281) extends into the inside of the hexagonal sleeve (24) and matches the hexagonal sleeve (24).

7. A luggage trolley having a stowaway frame structure according to claim 6 wherein: The mobile plate (299) is rotationally connected with a threaded adjusting rod (282) on the side away from the hexagonal positioning rod (281), the threaded adjusting rod (282) extends outside the U-shaped plate (298) and is connected with the U-shaped plate (298) through a threaded connection.

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