Draw-bar box with adjustable containing cavity

Abstract

The utility model relates to the technical field of draw-bar boxes, and discloses a draw-bar box with an adjustable accommodating cavity, which comprises a box body I, a connecting frame is propped against the front side of the box body I, a box body II is propped against the front side of the connecting frame, an adjusting component is arranged in the connecting frame, and the adjusting component is used for adjusting the internal space of the box body II. A binding belt is installed in the first box body, a winding assembly is arranged in the first box body, the winding assembly is used for winding the binding belt, and a pull rod is installed in the first box body; the adjusting assembly comprises a telescopic frame, and the telescopic frame is connected into the connecting frame in a sliding mode. According to the draw-bar box disclosed by the utility model, the size of the inner accommodating cavity of the box body II can be adjusted by the adjusting assembly, so that the inner capacity of the draw-bar box can be adjusted according to the use requirement of a user, and luggage placed at the top of the draw-bar box can be bundled and fixed by the binding belt, so that the luggage is prevented from slipping off.

Description

TECHNICAL FIELD

[0001] The utility model relates to trolley case technical field especially, relates to a cavity adjustable trolley case. BACKGROUND

[0002] The economic development has driven the frequent development of tourism and business activities. Whether domestic or international travel, people need a convenient luggage carrying tool, and the trolley case becomes the first choice of people because it can be dragged, convenient and labor-saving. The prosperity of the tourism market makes the demand for trolley cases continue to increase, which promotes the rapid development of the trolley case industry.

[0003] The trolley case is an important luggage carrying tool for travel, business trip and the like. It has various shapes such as rectangular and square, and various sizes to meet different travel needs. The internal design is reasonable, and multiple layers and partitions are provided, such as clothing layers, shoe bags, computer bags and small mesh bag partitions, which facilitate the classified storage of articles and improve the sorting efficiency and ensure the safety of articles during transportation.

[0004] The existing trolley case has a fixed cavity size and is not easy to adjust, which limits the number of articles that people can carry when going out, thereby limiting the applicability of the trolley case. Therefore, a cavity adjustable trolley case is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a cavity adjustable trolley case, which aims to improve the problem of fixed size of the cavity of the trolley case in the prior art, which limits the number of articles.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A cavity adjustable trolley case, comprising a box body one, a connecting frame is abutted on the front side of the box body one, a box body two is abutted on the front side of the connecting frame, an adjusting assembly is arranged in the connecting frame, the adjusting assembly is used to adjust the internal space of the box body two, a binding strap is installed in the box body one, a winding assembly is arranged in the box body one, the winding assembly is used to wind the binding strap, and a trolley is installed in the box body one.

[0008] The adjusting assembly comprises a telescopic frame, the telescopic frame is slidingly connected in the connecting frame, the telescopic frame is installed on the rear side of the box body two, a limiting plate is installed on the rear side of the telescopic frame, a plurality of uniformly distributed springs are installed on the rear side of the limiting plate, and the rear ends of the springs are installed in the connecting frame.

[0009] As a further description of the above technical scheme:

[0010] The winding assembly comprises a supporting shaft which is rotationally connected in the box one, a winding roller is fixedly connected to the outer periphery of the supporting shaft, and the bandage is sleeved on the outer periphery of the winding roller.

[0011] As a further description of the above technical solution:

[0012] The connecting frame is internally provided with a limiting groove, and the limiting plate is slidingly connected in the limiting groove.

[0013] As a further description of the above technical solution:

[0014] The covering cloth is arranged on the outer periphery of the telescopic frame.

[0015] As a further description of the above technical solution:

[0016] The supporting shaft is provided at one end with a spring, and the spring is installed at one end in the box one.

[0017] As a further description of the above technical solution:

[0018] The supporting shaft is fixedly connected with a ratchet wheel, the box one is rotationally connected with a clamping plate, the clamping plate is abutted at the top in the ratchet wheel, the clamping plate is provided at the right side with a fixed shaft, and the fixed shaft is slidingly connected in the box one.

[0019] As a further description of the above technical solution:

[0020] The bandage is fixedly connected at the top with a connecting block, and the box one is provided at the top with a clamping block.

[0021] As a further description of the above technical solution:

[0022] The covering cloth and the connecting frame are provided at the opposite sides with a second zipper, and the box one and the connecting frame are provided at the opposite sides with a first zipper.

[0023] The utility model has the advantages of the following:

[0024] 1、The utility model discloses a connecting frame is internally provided with an adjusting assembly, and the size of the internal cavity of the box two can be adjusted, so that the internal capacity of the trolley case can be adjusted according to the use needs of the user, so that the trolley case can adapt to different use demands, and the applicability of the trolley case is enhanced.

[0025] 2、The utility model discloses that the bandage is installed in the box one, and the luggage placed on the top of the trolley case can be bundled and fixed, so that the luggage is prevented from sliding off due to bumping, collision or tilting during movement, and the function of the trolley case is expanded. DRAWINGS

[0026] Figure 1 A kind of cavity adjustable formula pull rod box's stereoscopic schematic view is proposed for the utility model;

[0027] Figure 2 A kind of cavity adjustable formula pull rod box's telescopic frame's structural schematic view is proposed for the utility model;

[0028] Figure 3 A kind of cavity adjustable formula pull rod box's winding roller's structural schematic view is proposed for the utility model.

[0029] Legend:

[0030] 1, box one;2, connecting frame;3, box two;4, cover cloth;5, bandage;6, connecting block;7, pull rod;8, adjusting assembly;801, telescopic frame;802, limit plate;803, spring;9, winding assembly;901, winding roller;902, support shaft;903, clockwork;10, clamping plate;11, fixed shaft;12, ratchet wheel;13, zipper one;14, zipper two;15, clamping block. Specific embodiments

[0031] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Refer to Figure 1 , Figure 2The utility model provides a kind of cavity adjustable formula pull rod box: a kind of cavity adjustable formula pull rod box, including box one 1, box one 1 front side abuts and is connected with connecting frame 2, connecting frame 2 front side abuts and is connected with box two 3, box one 1, connecting frame 2 and box two 3 are used as the main structure of this pull rod box to hold goods, adjusting assembly 8 is provided in the inside of connecting frame 2, adjusting assembly 8 is used to adjust the inside space of box two 3, pull rod 7 is installed in the inside of box one 1, install pull rod 7 to facilitate the movement of this pull rod box;Adjusting assembly 8 includes telescopic frame 801, telescopic frame 801 is slidably connected in the inside of connecting frame 2, telescopic frame 801 front side is installed in the rear side of box two 3, the frame is slidably connected in the inside of connecting frame 2, can drive box two 3 to move, limiting plate 802 is installed in the rear side of telescopic frame 801, limiting groove is opened in the inside of connecting frame 2, limiting plate 802 is slidably connected in the inside of limiting groove, limiting plate 802 is slidably connected in the inside of limiting frame, can limit telescopic frame 801 movement to prevent telescopic frame 801 from falling off in the inside of connecting frame 2, a plurality of evenly distributed springs 803 are installed in the rear side of limiting plate 802, the rear end of spring 803 is installed in the inside of connecting frame 2, a plurality of springs 803 can push telescopic frame 801 to move, box two 3 and connecting frame 2 are installed on the side of each other with cover cloth 4, cover cloth 4 is arranged in the outer periphery of telescopic frame 801, cover cloth 4 is used to shield telescopic frame 801, cover cloth 4 is made of nylon and has elasticity and can adapt to the movement of telescopic frame 801, cover cloth 4 and connecting frame 2 are installed on the side of each other with zip fastener two 14, zip fastener two 14 can be connected with each other with cover cloth 4 and connecting frame 2, box one 1 and connecting frame 2 are installed on the side of each other with zip fastener one 13, zip fastener one 13 can be connected with each other with box one 1 and connecting frame 2.

[0033] Refer to Figure 1 , Figure 3 , binding tape 5 is installed in the inside of box one 1, and the luggage on the top of the pull rod box can be bound by binding tape 5, winding assembly 9 is arranged in the inside of box one 1, and winding assembly 9 is used to wind binding tape 5, connecting block 6 is fixedly connected to the top of binding tape 5, clamping block 15 is installed on the top of box one 1, and binding tape 5 can be fixed after clamping block 15 is inserted into the inside of connecting block 6, winding assembly 9 includes support shaft 902, support shaft 902 is rotatably connected in the inside of box one 1, support shaft 902 is used to support the rotation of winding roller 901, winding roller 901 is fixedly connected to the outer periphery of support shaft 902, binding tape 5 is sleeved on the outer periphery of winding roller 901, and winding tape 5 can be wound in the rotation process of winding roller 901, spring 903 is installed at one end of support shaft 902, one end of spring 903 is installed in the inside of box one 1, and the rotation of spring 903 can drive support shaft 902 to rotate, ratchet gear 12 is fixedly connected to the outer periphery of support shaft 902, clamping plate 10 is rotatably connected in the inside of box one 1, clamping plate 10 top abuts in the inside of ratchet gear 12, clamping plate 10 top is inserted into the inside of ratchet gear 12 and can limit the rotation of ratchet gear 12, fixed shaft 11 is installed on the right side of clamping plate 10, and fixed shaft 11 is slidably connected in the inside of box one 1, and clamping plate 10 can be rotated by pushing fixed shaft 11.

[0034] Working principle: when the luggage is used, the zipper two 14 is pulled to open the zipper two 14, and then the plurality of springs 803 can push the telescopic frame 801 to make the telescopic frame 801 drive the box two 3 to move away from the box one 1, thereby expanding the volume of the internal cavity of the luggage to adapt to different use requirements. When the luggage is placed on the top of the luggage, the binding belt 5 can be pulled out from the inside of the box one 1, and then the binding belt 5 can be used to bundle the luggage to fix the luggage on the top of the luggage. When the binding belt 5 is pulled, the winding roller 901 and the supporting shaft 902 are rotated, and the spring 903 is rotated and tightened through the supporting shaft 902, when the binding belt 5 needs to be retracted, the fixed shaft 11 is pushed to rotate, the fixed shaft 11 drives the clamping plate 10 to rotate, the clamping plate 10 is separated from the ratchet gear 12, so that the supporting shaft 902 can rotate in the opposite direction, the spring 903 is rotated and loosened, and the winding roller 901 is rotated through the supporting shaft 902, and then the binding belt 5 can be wound and recycled.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A cavity-adjustable trolley case comprising a case body (1), characterized in that: The box one (1) front side abuts with the connecting frame (2), the connecting frame (2) front side abuts with the box two (3), the connecting frame (2) inside is provided with the adjusting assembly (8), the adjusting assembly (8) is used to adjust the inside space of the box two (3), the box one (1) inside is installed with the bandage (5), the box one (1) inside is provided with the winding assembly (9), the winding assembly (9) is used to winding the bandage (5), the box one (1) inside is installed with the pull rod (7); The adjusting assembly (8) includes telescopic frame (801), the telescopic frame (801) is connected in the connecting frame (2) inside, the telescopic frame (801) front side is installed in the box two (3) rear side, the telescopic frame (801) rear side is installed with the limit board (802), the limit board (802) rear side is installed with a plurality of evenly distributed springs (803), the spring (803) rear end is installed in the connecting frame (2) inside.

2. The adjustable cavity draw-along box according to claim 1, wherein: The winding assembly (9) includes support shaft (902), the support shaft (902) is rotatably connected in the box one (1) inside, the support shaft (902) is fixedly connected with winding roller (901) on the outer periphery, the bandage (5) is set on the outer periphery of the winding roller (901).

3. The adjustable cavity draw-along box of claim 1, wherein: The connecting frame (2) inside is provided with a limit slot, the limit board (802) is connected in the limit slot inside.

4. The adjustable cavity draw-along box of claim 1, wherein: The box two (3) and the connecting frame (2) opposite side is installed with the cover cloth (4), the cover cloth (4) is set on the outer periphery of the telescopic frame (801).

5. The adjustable cavity draw-along box of claim 2, wherein: The support shaft (902) one end is installed with the clockwork (903), the clockwork (903) one end is installed in the box one (1) inside.

6. The adjustable cavity draw-along box of claim 2, wherein: The support shaft (902) is fixedly connected with the ratchet gear (12) on the outer periphery, the box one (1) inside is rotatably connected with the clamping plate (10), the clamping plate (10) top abuts in the ratchet gear (12) inside, the clamping plate (10) right side is installed with the fixed shaft (11), the fixed shaft (11) is rotatably connected in the box one (1) inside.

7. The adjustable cavity draw-along box of claim 1, wherein: The bandage (5) top is fixedly connected with the connecting block (6), the box one (1) top is installed with the clamping block (15).

8. The adjustable cavity draw-along box of claim 4, wherein: The cover cloth (4) and the connecting frame (2) opposite side is installed with the zipper two (14), the box one (1) and the connecting frame (2) opposite side is installed with the zipper one (13).

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