A travel case with retractable rear wheels

By designing a retractable rear wheel telescopic mechanism in the travel cargo box, the problems of poor stability and large space occupancy of the existing cargo box are solved, and better stability and space saving effect are achieved.

CN222722555UActive Publication Date: 2025-04-08CHANGZHOU FOX INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421661615.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-04-08
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

Most of the existing travel cargo boxes do not have retractable rear wheels, resulting in poor stability or excessive space during use, affecting storage and use.

Method used

A telescopic rear wheel of a travel mobility box is designed, and the wheel spacing is adjusted by setting a telescopic mechanism on the lower surface of the mobility box, including storage columns, connecting columns, springs and latches.

Benefits of technology

By adjusting the wheel spacing, the stability of the mobility box is improved, and the size can be reduced during storage, saving space, and is suitable for different usage scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field related to suitcases, and in particular to a travel case with retractable rear wheels, comprising a travel case, one side surface of the travel case is rotatably connected with a case cover, a retractable mechanism is arranged on the lower surface of the travel case, a storage mechanism is arranged on the upper surface of the travel case, and a supporting mechanism is arranged on the lower surface of the travel case. Through the arrangement of a storage column, a connecting column, a first storing hole, a first spring, a first clamping bolt, a baffle, a wheel and a first clamping hole, when it is necessary to adjust the distance between the wheels, first press the first clamping bolt to be stored in the first storing hole, then adjust the connecting column to the required length, and through the arrangement of the first spring, eject the first clamping bolt, and when the first clamping bolt is engaged in the first clamping hole, the connecting column is fixed at the current position, and the wheel is mounted on the outer surface of the connecting column through two baffles, thereby completing the adjustment of the distance between the wheels.
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Description

Technical Field

[0001] The utility model relates to the technical field related to travel cases, in particular to a travel case with retractable rear wheels. Background Art

[0002] A suitcase, also known as a travel case or a trolley case, is a box used to carry items when going out. It is one type of luggage. Usually, a suitcase is used to store clothes, personal care products and souvenirs needed for the journey. With the development of technology, in order to allow people to have a better experience during the travel and to save more effort, a travel case has emerged. The travel case is based on a suitcase as a prototype, and then uses electricity to convert electrical energy into kinetic energy, while improving the performance of the suitcase itself so that it can carry people. In order to better improve the stability of the travel case, a travel case with retractable rear wheels is particularly needed.

[0003] Because most of the existing mobility scooters do not have the telescopic effect of the rear wheels, during use, if the distance between the rear wheels of the mobility scooter is small, the stability of the mobility scooter will be poor. If the distance between the rear wheels of the mobility scooter is large, it will take up a large space during the storage of the mobility scooter, which is not conducive to the storage of the mobility scooter. Utility Model Content

[0004] The purpose of the utility model is to provide a travel mobility case with retractable rear wheels to solve the problem raised in the above background technology that most of the existing mobility cases do not have the retractable rear wheels. In this way, during use, if the distance between the rear wheels of the mobility case is small, the stability of the mobility case will be poor. If the distance between the rear wheels of the mobility case is large, a large space will be occupied during the storage of the mobility case, which is not conducive to the storage of the mobility case.

[0005] To achieve the above object, the utility model provides the following technical solution: a travel case with retractable rear wheels, comprising a travel case, a case cover is rotatably connected to one side surface of the travel case, a retractable mechanism is arranged on the lower surface of the travel case, a storage mechanism is arranged on the upper surface of the travel case, and a supporting mechanism is arranged on the lower surface of the travel case;

[0006] The telescopic mechanism includes a storage column, a connecting column, a first storage hole, a first spring, a first latch, a baffle, a wheel and a first latch hole. The storage column is fixedly connected to the lower surface of the mobility box, the inner surface of the storage column is slidably connected to the connecting column, the outer surface of the connecting column is provided with a first storage hole, the inner surface of the first storage hole is fixedly connected to the first spring, one end surface of the first spring is fixedly connected to the first latch, the outer surface of the connecting column is fixedly connected to the baffle, the outer surface of the connecting column is mounted with wheels, and the outer surface of the storage column is provided with a first latch hole.

[0007] Preferably, the storage column and the connecting column form a telescopic structure, and the first clamping holes are opened at equal intervals on the outer surface of the storage column and are symmetrically arranged with respect to the central axis of the storage column.

[0008] Preferably, the first latch forms a telescopic structure with the first receiving hole through the first spring, and the first receiving hole is symmetrically arranged with respect to the central axis of the connecting column.

[0009] Preferably, the storage mechanism includes a first storage slot, a first rotating shaft, a handle, a storage bin, a card slot, a second rotating shaft, a first support plate, a second storage slot, a third rotating shaft, and a second support plate, a first storage slot is provided on an upper surface of the mobility box, an inner surface of the first storage slot is fixedly connected to the first rotating shaft, an outer surface of the first rotating shaft is rotatably connected to the handle, a storage bin is provided on the upper surface of the mobility box, a card slot is provided on the inner surface of the storage bin, a second rotating shaft is fixedly connected to the inner surface of the storage bin, the first support plate is rotatably connected to the outer surface of the second rotating shaft, a second storage slot is provided on one side surface of the first support plate, an inner surface of the second storage slot is fixedly connected to the third rotating shaft, and an outer surface of the third rotating shaft is rotatably connected to the second support plate.

[0010] Preferably, the handle forms a rotating structure with the first receiving slot via a first rotating shaft, and the slots are arranged at equal intervals on the inner surface of the receiving bin.

[0011] Preferably, the supporting mechanism comprises an installation groove, a storage block, a second spring, a foot pad, a second storage hole, a third spring, a second latch and a second latch hole; a installation groove is provided on the lower surface of the mobility box, a storage block is fixedly connected to the inside of the installation groove, a second spring is fixedly connected to the inner surface of the storage block, a foot pad is fixedly connected to one end surface of the second spring, a second storage hole is provided on the lower surface of the foot pad, a third spring is fixedly connected to the inner surface of the second storage hole, a second latch is fixedly connected to one end surface of the third spring, and a second latch hole is provided on the lower surface of the storage block.

[0012] Preferably, the inner wall size of the installation groove matches the outer wall size of the storage block, a box cover is opened on the lower surface of the box cover, the second springs are evenly distributed on the inner surface of the storage block, and the storage block forms a telescopic structure with the storage block through the second spring.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the travel case has retractable rear wheels, through the arrangement of a storage column, a connecting column, a first storing hole, a first spring, a first latch, a baffle, a wheel and a first latch hole. When in use, when it is necessary to adjust the distance between the wheels, first press the first latch to store it inside the first storing hole, then adjust the connecting column to the required length, and through the arrangement of the first spring, pop out the first latch, and when the first latch is engaged with the inside of the first latch hole, the connecting column is fixed in the current position, and the wheel is mounted on the outer surface of the connecting column through two baffles, thereby completing the adjustment of the distance between the wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the storage column and wheels used in conjunction with each other in the utility model;

[0016] Figure 3 This is a schematic diagram of the telescopic mechanism structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the handle and the storage bin used in conjunction with each other in the utility model;

[0018] Figure 5 For this utility model Figure 4 The enlarged structural diagram at A in the middle;

[0019] Figure 6 This is a schematic diagram of the structure of the installation slot and the storage block used in conjunction with each other in the utility model;

[0020] Figure 7 For this utility model Figure 6 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1. a travel box; 2. a box cover; 3. a telescopic mechanism; 301. a storage column; 302. a connecting column; 303. a first storage hole; 304. a first spring; 305. a first latch; 306. a baffle; 307. a wheel; 308. a first latch hole; 4. a storage mechanism; 401. a first storage slot; 402. a first rotating shaft; 403. a handle; 404. a storage compartment; 405. a latch; 406. a second rotating shaft; 407. a first supporting plate; 408. a second storage slot; 409. a third rotating shaft; 410. a second supporting plate; 5. a supporting mechanism; 501. a mounting slot; 502. a storage block; 503. a second spring; 504. a foot pad; 505. a second storage hole; 506. a third spring; 507. a second latch; 508. a second latch hole. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-7 The utility model provides a technical solution: a travel case with retractable rear wheels, comprising a travel case 1, a case cover 2 is rotatably connected to one side surface of the travel case 1, a retractable mechanism 3 is arranged on the lower surface of the travel case 1, a storage mechanism 4 is arranged on the upper surface of the travel case 1, and a supporting mechanism 5 is arranged on the lower surface of the travel case 1;

[0024] The telescopic mechanism 3 includes a storage column 301, a connecting column 302, a first storage hole 303, a first spring 304, a first latch 305, a baffle 306, a wheel 307 and a first latch hole 308. The lower surface of the walking box 1 is fixedly connected with the storage column 301, the inner surface of the storage column 301 is slidably connected with the connecting column 302, the outer surface of the connecting column 302 is provided with a first storage hole 303, the inner surface of the first storage hole 303 is fixedly connected with the first spring 304, one end surface of the first spring 304 is fixedly connected with the first latch 305, the outer surface of the connecting column 302 is fixedly connected with the baffle 306, the outer surface of the connecting column 302 is installed with a wheel 307, the outer surface of the storage column 301 is provided with a first latch Hole 308, through the setting of the storage column 301, the connecting column 302, the first storage hole 303, the first spring 304, the first bolt 305, the baffle 306, the wheel 307 and the first hole 308, when in use, when it is necessary to adjust the spacing of the wheels 307, first press the first bolt 305 to store it inside the first storage hole 303, and then adjust the connecting column 302 to the required length, and through the setting of the first spring 304, the first bolt 305 is ejected, and when the first bolt 305 is engaged with the first hole 308, the connecting column 302 is fixed in the current position, and the wheel 307 is installed on the outer surface of the connecting column 302 through two baffles 306, thereby completing the adjustment of the spacing of the wheels 307.

[0025] Furthermore, the storage column 301 and the connecting column 302 form a telescopic structure, and the first clamping holes 308 are evenly spaced on the outer surface of the storage column 301 and symmetrically arranged with respect to the central axis of the storage column 301. Through the setting of the first clamping holes 308, the first clamping bolt 305 can be engaged with different first clamping holes 308 to adjust to different lengths.

[0026] Furthermore, the first latch 305 forms a telescopic structure with the first receiving hole 303 through the first spring 304. The first receiving hole 303 is symmetrically arranged with respect to the central axis of the connecting column 302. Through the arrangement of the first receiving hole 303, the first spring 304 can be installed into the interior of the connecting column 302 through the first receiving hole 303.

[0027] Furthermore, the storage mechanism 4 includes a first storage slot 401, a first rotating shaft 402, a handle 403, a storage bin 404, a slot 405, a second rotating shaft 406, a first support plate 407, a second storage slot 408, a third rotating shaft 409 and a second support plate 410. The upper surface of the scooter 1 is provided with a first storage slot 401, the inner surface of the first storage slot 401 is fixedly connected to the first rotating shaft 402, the outer surface of the first rotating shaft 402 is rotatably connected to the handle 403, and the scooter 1 is provided with a first storage slot 401. A storage bin 404 is provided on the upper surface, a slot 405 is provided on the inner surface of the storage bin 404, a second shaft 406 is fixedly connected to the inner surface of the storage bin 404, a first support plate 407 is rotatably connected to the outer surface of the second shaft 406, a second storage slot 408 is provided on one side surface of the first support plate 407, a third shaft 409 is fixedly connected to the inner surface of the second storage slot 408, a second support plate 410 is rotatably connected to the outer surface of the third shaft 409, and a second storage slot 408 is provided on the inner surface of the second storage slot 408. The arrangement of the receiving slot 401, the first rotating shaft 402, the handle 403, the storage compartment 404, the card slot 405, the second rotating shaft 406, the first supporting plate 407, the second receiving slot 408, the third rotating shaft 409 and the second supporting plate 410, when people need to work in an emergency when going out, or when they need to support their mobile phones or computers when watching TV series while waiting for a car, they first rotate the handle 403, and then the handle 403 will rotate through the first rotating shaft 402, and then be stored in the first receiving slot 401 , so that there is no raised part on the upper surface of the scooter box 1, and then rotate the first support plate 407, at this time the first support plate 407 will rotate around the second rotation axis 406, and then rotate the second support plate 410, at this time the second support plate 410 will rotate around the third rotation axis 409, and then according to the required angle, snap the second support plate 410 into the card slot 405, so as to fix the first support plate 407 at the current angle, so that the mobile phone or computer can be supported.

[0028] Furthermore, the handle 403 forms a rotating structure with the first receiving groove 401 through the first rotating shaft 402, and the card slots 405 are arranged at equal intervals on the inner surface of the receiving bin 404. Through the setting of the first receiving groove 401, the handle 403 can be stored.

[0029] Furthermore, the supporting mechanism 5 comprises a mounting groove 501, a receiving block 502, a second spring 503, a foot pad 504, a second receiving hole 505, a third spring 506, a second latch 507 and a second latch hole 508. The lower surface of the scooter box 1 is provided with a mounting groove 501, the interior of the mounting groove 501 is fixedly connected with the receiving block 502, the inner side surface of the receiving block 502 is fixedly connected with the second spring 503, one end surface of the second spring 503 is fixedly connected with the foot pad 504, the lower surface of the foot pad 504 is provided with a second receiving hole 505, the inner side surface of the second receiving hole 505 is fixedly connected with the third spring 506, one end surface of the third spring 506 is fixedly connected with the second latch 507, the lower surface of the storage block 502 is provided with a There is a second clamping hole 508. Through the arrangement of the mounting groove 501, the storage block 502, the second spring 503, the foot pad 504, the second storage hole 505, the third spring 506, the second clamping bolt 507 and the second clamping hole 508, when the foot needs to be supported, the second clamping bolt 507 is first pressed to store the second clamping bolt 507 inside the second storage hole 505. At this time, the foot pad 504 is popped out through the arrangement of the second spring 503. When the foot pad 504 is not in use and needs to be stored, the foot pad 504 is first pressed to store it inside the storage block 502. Then, through the arrangement of the second spring 503, the second clamping bolt 507 is popped out and engaged with the second clamping hole 508, thereby fixing the foot pad 504 inside the storage block 502.

[0030] Furthermore, the inner wall size of the installation groove 501 is consistent with the outer wall size of the storage block 502, and a box cover 2 is opened on the lower surface of the box cover 2. The second springs 503 are evenly distributed on the inner surface of the storage block 502. The storage block 502 forms a telescopic structure with the storage block 502 through the second spring 503. Through the setting of the storage block 502, the foot pad 504 can be stored.

[0031] Working principle: when the distance between the wheels 307 needs to be adjusted, first press the first latch 305 to store it inside the first storage hole 303, then adjust the connecting column 302 to the required length, and through the setting of the first spring 304, the first latch 305 is ejected, and when the first latch 305 is engaged with the first latch hole 308, the connecting column 302 is fixed in the current position, and the wheels 307 are installed on the outer surface of the connecting column 302 through two baffles 306, thereby completing the adjustment of the distance between the wheels 307. When people go out and need emergency office work, or when they need to support a mobile phone or computer while waiting for a car to watch TV, they first rotate the handle 403. At this time, the handle 403 will rotate through the first rotating shaft 402, and then be stored in the first storage groove 401, so that there is no convex part on the upper surface of the travel box 1, and then rotate the first support plate 407. At this time, the first The support plate 407 will rotate around the second rotating shaft 406, and then the second support plate 410 will be rotated. At this time, the second support plate 410 will rotate around the third rotating shaft 409. Then, the second support plate 410 will be snapped into the slot 405 according to the required angle, so that the first support plate 407 is fixed at the current angle, so that the mobile phone or computer can be supported. When it is necessary to support the foot, first press the second latch 507 to make the second latch 507 be stored in the second storage hole 505. At this time, the foot pad 504 will be popped out through the setting of the second spring 503. When not in use, when the foot pad 504 needs to be stored, first press the foot pad 504 to store it in the storage block 502, and then through the setting of the second spring 503, the second latch 507 will be popped out and snapped into the second hole 508, so that the foot pad 504 is fixed in the storage block 502.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A travel case with retractable rear wheels, comprising a travel case (1), characterized in that: A box cover (2) is rotatably connected to one side surface of the transport box (1), a telescopic mechanism (3) is provided on the lower surface of the transport box (1), a storage mechanism (4) is provided on the upper surface of the transport box (1), and a supporting mechanism (5) is provided on the lower surface of the transport box (1); The telescopic mechanism (3) comprises a storage column (301), a connecting column (302), a first storage hole (303), a first spring (304), a first latch (305), a baffle (306), a wheel (307) and a first latch hole (308); the storage column (301) is fixedly connected to the lower surface of the walking box (1); the connecting column (302) is slidably connected to the inner surface of the storage column (301); and the outer surface of the connecting column (302) is open. A first receiving hole (303) is provided, the inner surface of the first receiving hole (303) is fixedly connected to a first spring (304), one end surface of the first spring (304) is fixedly connected to a first latch (305), the outer surface of the connecting column (302) is fixedly connected to a baffle (306), the outer surface of the connecting column (302) is equipped with a wheel (307), and the outer surface of the storing column (301) is provided with a first latch hole (308).

2. The retractable rear wheel of a travel case according to claim 1, characterized in that: The storage column (301) and the connecting column (302) form a telescopic structure, and the first clamping holes (308) are arranged at equal intervals on the outer surface of the storage column (301) and are symmetrically arranged with respect to the central axis of the storage column (301).

3. The retractable rear wheel of a travel case according to claim 1, characterized in that: The first latch (305) forms a telescopic structure with the first receiving hole (303) through the first spring (304), and the first receiving hole (303) is symmetrically arranged with respect to the central axis of the connecting column (302).

4. The retractable rear wheel of a travel case according to claim 1, characterized in that: The storage mechanism (4) comprises a first storage slot (401), a first rotating shaft (402), a handle (403), a storage bin (404), a slot (405), a second rotating shaft (406), a first support plate (407), a second storage slot (408), a third rotating shaft (409) and a second support plate (410); the upper surface of the mobility pod (1) is provided with a first storage slot (401); the inner surface of the first storage slot (401) is fixedly connected to the first rotating shaft (402); the outer surface of the first rotating shaft (402) is rotatably connected to the handle (403); the mobility pod (1) is provided with a first storage slot (401); A storage bin (404) is provided on the upper surface of (1), a slot (405) is provided on the inner surface of the storage bin (404), a second rotating shaft (406) is fixedly connected to the inner surface of the storage bin (404), a first support plate (407) is rotatably connected to the outer surface of the second rotating shaft (406), a second storage groove (408) is provided on one side surface of the first support plate (407), a third rotating shaft (409) is fixedly connected to the inner surface of the second storage groove (408), and a second support plate (410) is rotatably connected to the outer surface of the third rotating shaft (409).

5. The retractable rear wheel of a travel case according to claim 4, characterized in that: The handle (403) forms a rotating structure with the first receiving slot (401) via the first rotating shaft (402), and the card slots (405) are arranged at equal intervals on the inner surface of the receiving bin (404).

6. The retractable rear wheel of a travel case according to claim 1, characterized in that: The support mechanism (5) comprises a mounting groove (501), a storage block (502), a second spring (503), a foot pad (504), a second storage hole (505), a third spring (506), a second latch bolt (507) and a second latch hole (508); a mounting groove (501) is provided on the lower surface of the walking box (1); the interior of the mounting groove (501) is fixedly connected to the storage block (502); the inner surface of the storage block (502) is fixedly connected to the second storage hole (505); A second spring (503) is provided, one end surface of the second spring (503) is fixedly connected to a foot pad (504), a second receiving hole (505) is provided on the lower surface of the foot pad (504), a third spring (506) is fixedly connected to the inner surface of the second receiving hole (505), one end surface of the third spring (506) is fixedly connected to a second latch (507), and a second latch hole (508) is provided on the lower surface of the storage block (502).

7. The retractable rear wheel of a travel case according to claim 6, characterized in that: The inner wall size of the installation groove (501) matches the outer wall size of the storage block (502); a box cover (2) is provided on the lower surface of the box cover (2); the second springs (503) are evenly spaced and distributed on the inner surface of the storage block (502); and the storage block (502) forms a telescopic structure with the storage block (502) through the second springs (503).