Telescopic electric luggage case

The retractable electric luggage compartment design solves the problem of non-adjustable handle spacing, provides flexible base length adjustment and power assist function, and improves the user's driving comfort and ease of operation.

CN223682098UActive Publication Date: 2025-12-19浙江夕尔科技有限公司
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Patent Information

Application Number
CN202520386644.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-12-19
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The existing electric luggage compartments do not allow for adjustment of the distance between the handle and the luggage compartment, resulting in inconsistent driving comfort for people of different heights, and large luggage compartments do not have enough space on the vehicle frame.

Method used

A retractable electric suitcase has been designed, comprising a retractable outer rod assembly and a retractable inner rod assembly, equipped with a retractable assist part and a rolling element assembly, allowing users to adjust the base length as needed, and providing assistance through the rolling element assembly to reduce friction.

Benefits of technology

It provides a comfortable driving experience for people of different heights, meets the needs of different scenarios, reduces the effort required for extension and retraction, and improves the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a telescopic electric luggage case which comprises a case body assembly, a handle assembly, a base assembly, a front wheel assembly and a rear wheel assembly, the front wheel assembly and the rear wheel assembly are arranged at the bottom, a steering assembly is arranged between the handle assembly and the front wheel assembly, and a user can sit on the case body assembly and hold the handle assembly to drive the electric luggage case to move forwards; the base assembly comprises a telescopic outer rod assembly and a telescopic inner rod assembly, the telescopic inner rod assembly is movably installed in the telescopic outer rod assembly, a user can stretch or retract the base assembly according to the use requirements of the user, different use requirements in different scenes are met, and the comfortable driving experience of people with different heights is also met; the telescopic power assisting part is arranged between the telescopic outer rod assembly and the telescopic inner rod assembly, the power assisting effect can be achieved during stretching, the situation that stretching and retracting are strenuous due to too large friction force is prevented, a user can conveniently and easily complete stretching or retracting, and the good use experience of the user is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the luggage, especially to a telescopic electric luggage. BACKGROUND

[0002] Luggage, also known as travel box or trolley case, is a box used to place articles when going out, which is one of the types of luggage. Usually, the luggage is used to place clothes, personal care articles and souvenirs needed on a journey to facilitate people to go out, and most of the luggage is provided with wheels at the bottom for pulling forward. In order to facilitate the use of users, the market also invents electric luggage with a frame, which installs the luggage on the frame, so that the user can ride on the luggage by driving the electric motor, which is convenient for the user to carry the luggage when going out.

[0003] Different heights of people can drive the electric luggage at different angles, and the distance between the handle of the existing electric luggage and the luggage cannot be adjusted, which may not guarantee the comfortable driving experience of some users, and when a larger size of luggage is installed on the frame, there may be insufficient space. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a telescopic electric luggage. In order to solve the above technical problems, the utility model provides the following technical scheme.

[0005] A telescopic electric luggage, comprising a box body assembly, a handle assembly, a telescopic base assembly, and a front wheel assembly and a rear wheel assembly at the bottom, a steering assembly is arranged between the handle assembly and the front wheel assembly, the base assembly comprises a telescopic outer rod assembly and a telescopic inner rod assembly, the telescopic inner rod assembly is movably installed in the telescopic outer rod assembly, and a telescopic power assisting part is arranged between the telescopic outer rod assembly and the telescopic inner rod assembly.

[0006] Further, the telescopic power assisting part comprises at least one set of rolling body assembly.

[0007] Further, the rolling body assembly comprises a first rolling body at one end and a second rolling body at the other end, and the first rolling body and the second rolling body are respectively located at the upper end and the lower end.

[0008] Further, a first mounting groove is arranged on the inner wall of the telescopic outer rod assembly, a second mounting groove is arranged on the outer wall of the telescopic inner rod assembly, and the first rolling body and the second rolling body are respectively partially installed in the first mounting groove and the second mounting groove.

[0009] Further, the telescopic outer rod assembly comprises a telescopic outer rod and an outer rod bushing installed inside the telescopic outer rod, the telescopic inner rod assembly comprises a telescopic inner rod and an inner rod bushing installed on the outer surface of the telescopic inner rod, and the first mounting groove and the second mounting groove are respectively arranged on the outer rod bushing and the inner rod bushing.

[0010] Further, the bottom cover is arranged below the base assembly, the battery compartment, the battery connector and the battery lock catch are arranged in the bottom cover, one side of the bottom cover is provided with a battery mounting hole communicating with the battery compartment, and the battery assembly is arranged in the battery compartment through the battery mounting hole.

[0011] Further, one end of the battery assembly is provided with a groove matched with the battery lock catch, and the battery lock catch is buckled into the groove when the battery assembly is completely arranged in the battery compartment.

[0012] Further, the rear wheel assembly comprises a rear wheel support and rear wheels on both sides, the support groove matched with the outer contour of the bottom cover is arranged on the rear wheel support, the bottom cover is arranged on the support groove, and the rear wheel support is connected to the base assembly.

[0013] Further, the front wheel assembly comprises a hub motor, a wheel fork, an adapter and bearings at the upper and lower ends of the adapter, the wheel fork is connected to the handlebar assembly through the adapter and the bearings, and the telescopic inner rod assembly is connected to the adapter.

[0014] Further, the handlebar assembly comprises a handlebar rod, a vertical rod, a connecting head and an adjustable positioner, the vertical rod is connected to the upper end of the wheel fork and is reinforced through the connecting head, and the handlebar rod is telescopically arranged on the vertical rod and is fixed through the positioner.

[0015] Further, the shell covering the handlebar assembly and the adapter and the pedals movably connected to both sides of the adapter are arranged on both sides of the shell.

[0016] Compared with the prior art, the utility model can achieve the beneficial effects that:

[0017] The base assembly comprises a telescopic outer rod assembly and a telescopic inner rod assembly, the telescopic inner rod assembly is movably arranged in the telescopic outer rod assembly, the user can extend or contract the base assembly according to the use demand, different use demands in different scenes are met, and comfortable driving experience of people with different heights is met, the telescopic assisting part is arranged between the telescopic outer rod assembly and the telescopic inner rod assembly, the friction force during the movement of the telescopic outer rod assembly and the telescopic inner rod assembly can be reduced during the telescoping, the assisting effect is achieved, the telescoping is not laborious due to the excessive friction force, the user can easily complete the contraction or extension, and the good use experience of the user is increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model is a three-dimensional Figure One .

[0019] Figure 2 The utility model is a three-dimensional Figure Two .

[0020] Figure 3 The utility model is a contraction schematic view.

[0021] Figure 4 It is the exploded view of the utility model.

[0022] Figure 5 It is the explosion Figure One .

[0023] Figure 6 It is the explosion Figure Two .

[0024] Figure 7 It is the perspective view of the utility model's box assembly.

[0025] Figure 8 It is Figure 5 the assembly state view.

[0026] Figure 9 It is the front wheel assembly's exploded view of the utility model.

[0027] Figure 10 It is the handle assembly's exploded view of the utility model.

[0028] Figure 11 It is the perspective Figure Three view of the utility model.

[0029] Reference signs: 1, box assembly, 2, handle assembly, 3, base assembly, 4, front wheel assembly, 5, rear wheel assembly, 6, telescopic outer rod assembly, 7, telescopic inner rod assembly, 8, rolling body assembly, 9, telescopic outer rod, 10, outer rod bushing, 11, telescopic inner rod, 12, inner rod bushing, 13, first installation slot, 14, second installation slot, 15, first rolling body, 16, second rolling body, 17, bottom cover, 18, battery compartment, 19, battery connector, 20, battery lock, 21, battery mounting hole, 22, battery assembly, 23, recess, 24, rear wheel support, 25, rear wheel, 26, support recess, 27, hub motor, 28, wheel fork, 29, adapter, 30, handle bar, 31, vertical rod, 32, connecting head, 33, positioner, 34, shell, 35, foot pedal, 36, foot pedal storage slot, 37, charging port, 38, steering assembly, 39, bearing. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, not 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.

[0031] AsFigures 1-11 As shown, a telescopic electric luggage case includes a case assembly 1, a handle assembly 2, a base assembly 3, and a front wheel assembly 4 and a rear wheel assembly 5 at the bottom for forward movement, a steering assembly 38 is arranged between the handle assembly and the front wheel assembly, and a user can sit on the case assembly 1 and drive the electric luggage case forward by holding the handle assembly 2. The base assembly 3 includes a telescopic outer rod assembly 6 and a telescopic inner rod assembly 7, and the telescopic inner rod assembly 7 is movably arranged in the telescopic outer rod assembly 6. The user can extend or retract the base assembly 3 according to the use requirement, so as to meet the use requirement in different scenes and provide a comfortable driving experience for people of different heights. A telescopic assisting part 8 is arranged between the telescopic outer rod assembly 6 and the telescopic inner rod assembly 7, which can reduce the friction when the telescopic outer rod assembly 6 and the telescopic inner rod assembly 7 move, so as to provide assistance, prevent the telescopic outer rod assembly 6 and the telescopic inner rod assembly 7 from being retracted with great effort due to excessive friction, and facilitate the user to easily complete the retraction or extension, thereby increasing the user's good use experience.

[0032] The telescopic assisting part 8 includes at least one set of rolling body assemblies, and one set is adopted in the design but is not limited to one set.

[0033] The rolling body assembly includes a first rolling body 15 at one end and a second rolling body 16 at the other end, and a gap is formed between the telescopic inner rod assembly 7 and the telescopic outer rod assembly 6 for the rolling body assembly to move. The first rolling body 15 and the second rolling body 16 are respectively located at the upper end and the lower end, and the telescopic inner rod assembly 6 can better fit the movement of the first rolling body 15 and the second rolling body 16 when the telescopic inner rod assembly 6 is retracted, so as to provide assistance for the retraction by the rolling mode of the wheels, and the structure is relatively simple.

[0034] A first mounting groove 13 is arranged on the inner wall of the telescopic outer rod assembly 6, a second mounting groove 14 is arranged on the outer wall of the telescopic inner rod assembly 7, and the first rolling body 15 and the second rolling body 16 are respectively partially arranged in the first mounting groove 13 and the second mounting groove 14. When the telescopic outer rod assembly 6 is retracted, the first rolling body 15 rolls along the outer wall of the telescopic inner rod 11, and the second rolling body 16 rolls along the inner wall of the telescopic outer rod 9.

[0035] The telescopic outer rod assembly 6 includes a telescopic outer rod 9 and an outer rod bushing 10 arranged inside the telescopic outer rod 9, and the telescopic inner rod assembly 7 includes a telescopic inner rod 11 and an inner rod bushing 12 arranged on the outer surface of the telescopic inner rod 11. When the base assembly 3 is fully expanded, the outer rod bushing 10 and the inner rod bushing 12 abut against each other, cannot be further extended, have a limiting effect, and prevent disengagement due to excessive extension. The outer rod bushing 10 and the inner rod bushing 12 are respectively fixed to one end of the telescopic outer rod 9 and the telescopic inner rod 11 by screws.

[0036] The bottom cover 17 is provided below the base assembly 3, and the telescopic outer rod assembly 6 is fixed above the bottom cover 17 by screws. The battery compartment 18, the battery connector 19 and the battery lock 20 are provided in the bottom cover 17. The battery mounting hole 21 is provided on one side of the bottom cover 17 and communicates with the battery compartment 18. The battery assembly 22 is transversely inserted into the battery compartment 18 through the battery mounting hole 21.

[0037] One end of the battery assembly 22 is provided with the groove 23 matched with the battery lock 20. When the battery assembly 22 is inserted into the battery mounting hole 21, the battery lock 20 is opened. When the battery assembly 22 is completely inserted into the battery compartment 18, the battery lock 20 is buckled into the groove 23 by the rebound force of the internal spring, thereby fixing the battery assembly 22. The other end of the battery assembly 22 is in contact with the battery connector 19 for electrical conduction.

[0038] The rear wheel assembly 5 includes the rear wheel support 24 and the rear wheels 25 on both sides. The rear wheel support 24 is mounted below the bottom cover 17, and the rear wheel support 24 is connected below the telescopic outer rod assembly 6 by screws on both sides. The support groove 26 matched with the outer contour of the bottom cover 17 is provided on the rear wheel support 24. The bottom cover 17 is placed on the support groove 26 for supporting and limiting the bottom cover 17. The telescopic outer rod assembly 6, the bottom cover 17 and the rear wheel assembly 5 are tightly fixed.

[0039] The front wheel assembly 4 includes the hub motor 27 and the wheel fork 28. The steering mechanism 38 includes the adapter 29 and the bearings 39 on the upper and lower ends of the adapter 29 for rotation. The battery assembly 22 provides power to drive the hub motor 27 to rotate to realize driving. The hub motor 27 is mounted below the wheel fork 28. The upper end of the wheel fork 28 passes through the adapter 29 and the bearings 39 on both ends and is connected to the handle assembly 2. The telescopic inner rod assembly 7 is sleeved behind the adapter 29 and is fixed by screws. The user can hold the handle assembly 2 to drive the front wheel assembly 4 to rotate for steering. Through the design of the bearings on the upper and lower ends of the adapter 29, the adapter 29 will not rotate when steering, so the telescopic inner rod assembly 7 will not rotate.

[0040] The handle assembly 2 includes the T-shaped handle rod 30, the vertical rod 31, the connector 32 and the adjustable positioner 33. The vertical rod 31 is threadedly connected to the upper end of the wheel fork 28 and is sleeved at the connection between the vertical rod 31 and the wheel fork 28 and is screwed by screws to reinforce the connection strength of the vertical rod 31 and the wheel fork 28 and prevent falling off and collapse. The handle rod 30 is telescopically inserted into the vertical rod 31. The user can adjust the height of the handle rod 30 according to his comfortable driving experience. The positioner 33 is used to lock the handle rod 30. The positioner 33 can be manually actuated to lock or unlock. After locking, the handle rod 30 cannot be adjusted up and down. After unlocking, the height of the handle rod 30 can be adjusted up and down. The operation is simple and convenient.

[0041] The shell 34 also includes a handle assembly 2 and an adapter 29 for protecting the internal structure. The shell 34 also includes a footrest 35 movably connected to both sides of the adapter 29. The shell 34 also includes a footrest receiving slot 36 on both sides of the shell 34. The footrest 35 can be unfolded by rotating the footrest 35. When not in use, the footrest 35 can be folded into the footrest receiving slot 36 to reduce the occupied space.

[0042] The shell 34 also includes a charging port 36 on one side of the shell 34 for charging the battery assembly 22.

[0043] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and thus can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Accordingly, no matter from which point of view, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the foregoing description, and thus all changes falling within the meaning and range of equivalency of the essential elements of the claims are intended to be embraced therein, and any reference signs in the claims should not be considered as limiting the claims to which they relate.

Claims

1. A telescopic electric trolley suitcase comprising a suitcase body assembly, a handle assembly, a telescopic base assembly, and a front wheel assembly and a rear wheel assembly at the bottom, a steering assembly being provided between the handle assembly and the front wheel assembly, characterized in that, The base assembly comprises a telescopic outer rod assembly and a telescopic inner rod assembly, the telescopic inner rod assembly is movably installed on the telescopic outer rod assembly, and a telescopic assisting part is arranged between the telescopic outer rod assembly and the telescopic inner rod assembly.

2. A telescoping electrically powered luggage case according to claim 1, wherein, The telescopic assisting part comprises at least one set of rolling body assembly.

3. A telescoping electrically powered luggage case according to claim 2, wherein, The rolling body assembly comprises a first rolling body at one end and a second rolling body at the other end, and the first rolling body and the second rolling body are respectively located at the upper end and the lower end.

4. A telescoping electrically powered luggage case according to claim 3, wherein, The inner wall of the telescopic outer rod assembly is provided with a first mounting groove, and the outer wall of the telescopic inner rod assembly is provided with a second mounting groove, and the first rolling body and the second rolling body are respectively partially installed in the first mounting groove and the second mounting groove.

5. A telescoping electrically powered luggage case according to claim 4, wherein, The telescopic outer rod assembly comprises a telescopic outer rod and an outer rod bushing installed inside the telescopic outer rod, and the telescopic inner rod assembly comprises a telescopic inner rod and an inner rod bushing installed on the outer surface of the telescopic inner rod, and the first mounting groove and the second mounting groove are respectively arranged on the outer rod bushing and the inner rod bushing.

6. The extendable electric suitcase of claim 1, wherein, A bottom cover is arranged below the base assembly, a battery compartment, a battery connector and a battery lock are arranged in the bottom cover, one side of the bottom cover is provided with a battery mounting hole communicating with the battery compartment, and the battery assembly is installed in the battery compartment through the battery mounting hole.

7. A telescoping electrically powered luggage case according to claim 6, wherein, One end of the battery assembly is provided with a groove matched with the battery lock, and when the battery assembly is completely installed in the battery compartment, the battery lock is buckled into the groove.

8. A telescoping electrically powered luggage case according to claim 6, wherein, The rear wheel assembly comprises a rear wheel support and rear wheels on both sides, the rear wheel support is provided with a support groove matched with the outer contour of the bottom cover, the bottom cover is installed on the support groove, and the rear wheel support is connected to the base assembly.

9. The extendable electric suitcase of claim 1, wherein, The front wheel assembly comprises a hub motor and a wheel fork, the steering assembly comprises a connector and bearings at the upper end and the lower end of the connector, the wheel fork passes through the connector and the bearings at both ends and is connected to the handlebar assembly, and the telescopic inner rod assembly is connected to the connector.

10. A telescoping electrically powered luggage case according to claim 9, wherein, The handlebar assembly comprises a handlebar rod, a vertical rod, a connecting head and an adjustable positioner, the vertical rod is connected to the upper end of the wheel fork and is reinforced through the connecting head, the handlebar rod is telescopically installed on the vertical rod and is fixed through the positioner.

11. A telescoping electrically powered luggage case according to claim 9, wherein, The shell covering the handlebar assembly and the connector, the foot pedals movably connected to both sides of the connector, and the foot pedal storage grooves arranged on both sides of the shell are further included.