CN115581335A

CN115581335A - Power-assisted case

Info

Publication number: CN115581335A
Application number: CN202211369491.8A
Authority: CN
Inventors: 许东春
Original assignee: Changzhou Vocational Institute of Textile and Garment
Current assignee: Changzhou Vocational Institute of Textile and Garment
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-10

Abstract

The invention discloses a power-assisted case, which comprises a case body and a hub motor, wherein the case body comprises an outer case shell and an inner case bag arranged in the outer case shell, the hub motor is rotatably connected to the bottom of the outer case shell, a buffer device is arranged between the outer bottom wall of the inner case bag and the inner bottom wall of the outer case shell, a first self-recovery air bag is arranged between the outer top wall of the inner case bag and the inner top wall of the outer case shell, an air passage is arranged between the outer case shell and the inner case bag, the first self-recovery air bag is communicated with one end of the air passage, the other end of the air passage is communicated with the interior of the hub motor, a bypass air pipe is arranged on the hub motor, one end of the bypass air pipe is positioned in the interior of the hub motor, and the other end of the bypass air pipe is positioned outside the hub motor. When the wheel hub motor walks on unevenness's bottom surface, the inner box bag can produce and rock to extrude first self-resuming gasbag exhaust gas, the gas that blows off reaches quick radiating effect in air flue guide entering wheel hub motor, because the inside heat dissipation that can in time of wheel hub motor, thereby improves its life.

Description

Power-assisted case

Technical Field

The invention relates to the technical field of bags and bags, in particular to a power-assisted bag.

Background

The luggage is a general name of various bags for holding articles, and the draw-bar box is one of the luggage, so that the articles are often stored, and the draw-bar box is dragged to walk when going out.

Patent number CN 20172126992.9's utility model patent, the applicant is agile science and technology (Beijing) Limited company, discloses a wheel hub motor and the automatic walking suitcase including this wheel hub motor, utilizes wheel hub motor to replace traditional directive wheel, and electrically driven form reaches drags the laborsaving effect of suitcase walking. The in-wheel motor includes casing and at least one air duct, the first end of air duct is located the inside of casing, the second end is located the outside of casing, a gaseous and the outside gaseous intercommunication of casing for inside with the casing, play the inside and outside atmospheric pressure's of balanced casing effect, though also can play the inside radiating effect of casing, but the air flow is not obvious, the cooling effect of playing is also less strong, and in-wheel motor does not reach effectual heat dissipation, the heat can lead to in-wheel motor inside permanent magnet magnetic force to weaken, can influence its life.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: install the wheel hub motor radiating effect on case and bag poor, influence life to a helping hand case and bag that can give the wheel hub motor radiating fast is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a power-assisted case and bag, includes box and in-wheel motor, the box includes outer casing and the inner box bag of setting in outer casing, in-wheel motor rotates to be connected in the bottom of outer casing, be provided with buffer between the outer diapire of inner box bag and the inner diapire of outer casing, be equipped with first self-resuming gasbag between the outer roof of inner box bag and the inner roof of outer casing, be provided with the air flue between outer casing and the inner box bag, first self-resuming gasbag and the one end switch-on of air flue, the other end of air flue and in-wheel motor's inside switch-on, in-wheel motor is last to be provided with the bypass trachea, tracheal one end of bypass is located in-wheel motor's inside, and the other end is located in-wheel motor's outside.

Preferably: the buffer device comprises a spring seat and a buffer spring, the compression spring is fixed on the spring seat, one end of the spring seat is fixedly connected with the outer side wall of the inner box bag, and the other end of the spring seat is fixedly connected with the inner side wall of the outer box body.

Preferably: and a second self-recovery air bag is arranged between the outer bottom wall of the inner box bag and the inner bottom wall of the outer box shell and communicated with the air passage.

Preferably: the buffer device is set as a second self-recovery air bag which is communicated with the air passage.

Preferably: the first self-recovery air bag comprises a return spring and a sealed wrapper with a one-way air inlet valve, the return spring is arranged in the sealed wrapper, an air pipe is connected to the sealed wrapper, and the air pipe is communicated with the air passage.

Preferably: and one end of the air passage, which is positioned at the hub motor, is provided with a one-way air outlet valve.

Preferably: the main shaft of the hub motor is fixedly connected with the outer box shell, the end forms a ventilation end, the ventilation end is arranged in a hollow mode, an air inlet and an air outlet are formed in the outer circumferential surface of the ventilation end, the air inlet is located outside the hub motor, the air outlet is located inside the hub motor, and the air inlet is communicated with the air passage.

Preferably: the air passage is made of a flexible hollow pipe.

Preferably: the inside wall of outer housing is provided with the slide, the lateral wall of inner box bag is provided with the slider, slider and slide sliding connection.

Preferably: the storage bag is fixedly connected outside the box body.

The invention has the beneficial effects that: when wheel hub motor walking was on unevenness's bottom surface, the inner box bag can produce and rock to extrude first self-resuming gasbag exhaust gas, the gas that blows off reaches quick radiating effect in air flue guide entering wheel hub motor, because the inside heat dissipation that can in time of wheel hub motor, thereby improves its life.

Drawings

FIG. 1 is a schematic view of a power assist package of the present invention 1;

FIG. 2 is a schematic view of the power assist package of the present invention 2;

FIG. 3 is a schematic view of the power assist package of the present invention 3;

FIG. 4 is a schematic view of the in-wheel motor;

FIG. 5 is a schematic view of a buffering device according to a first embodiment;

FIG. 6 is a schematic view of a first self-healing balloon;

FIG. 7 is a schematic view of the air passage connected between the first self-healing air bag and the in-wheel motor;

in the figure: 1. a box body; 11. an outer case; 12. an inner case bag; 13. a slideway; 14. a slider; 2. a hub motor; 21. a main shaft; 211. an air inlet; 212. an air outlet; 3. a buffer device; 31. a spring seat; 32. a buffer spring; 4. a first self-healing balloon; 41. a return spring; 42. sealing the wrapper; 43. a one-way intake valve; 5. an airway; 51. a first one-way outlet valve; 52. a second one-way outlet valve; 53. a decompression chamber; 6. a pull rod; 7. a storage bag.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless stated to the contrary, the use of the terms "up" and "down" generally refer to the orientation as shown in the drawings, or to the vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.

According to the figures 1-3, the power-assisted case comprises a case body 1 and an in-wheel motor 2, wherein the case body 1 comprises an outer case 11 and an inner case bag 12 arranged in the outer case 11, articles are contained in the inner case bag 12, the in-wheel motor 2 is rotatably connected to the bottom of the outer case 11, a buffer device 3 is arranged between the outer bottom wall of the inner case bag 12 and the inner bottom wall of the outer case 11, a first self-recovery air bag 4 is arranged between the outer top wall of the inner case bag 12 and the inner top wall of the outer case 11, an air passage 5 is arranged between the outer case 11 and the inner case bag 12, the first self-recovery air bag 4 is communicated with one end of the air passage 5, the other end of the air passage 5 is communicated with the interior of the in-wheel motor 2, a bypass air pipe is arranged on the in-wheel motor 2, one end of the bypass air pipe is located inside the in-wheel motor 2, and the other end of the in-wheel motor 2 is located outside.

The arrangement of the buffer device 3 is used for slowing down the down-stroke speed of the inner box bag 12 when the inner box bag 12 is impacted downwards by inertia effect, and storing the potential energy of the inner box bag 12, the stored potential energy pushes the inner box bag 12 upwards to extrude the first self-recovery air bag 4, and the buffer device 3 of the application has two implementation modes:

according to the illustration of fig. 1-4, the main shaft 21 of the in-wheel motor 2 is fixedly connected to the outer housing 11, and the end constitutes a ventilation end, the ventilation end is hollow, and the outer circumferential surface thereof is provided with an air inlet 211 and an air outlet 212, the air inlet 211 is located outside the in-wheel motor 2, the air outlet 212 is located inside the in-wheel motor 2, and the air inlet 211 is communicated with the air duct 5. The lithium battery that provides the power for in-wheel motor 2 inlays establishes in the intermediate layer of inner box bag 12 and outer shell 11, and the rotatory switch of control in-wheel motor 2 is installed on pull rod 6, and pull rod 6 is connected with outer shell 11, and the switch is connected with lithium battery and in-wheel motor 2 electricity. The inside wall of outer box 11 is provided with slide 13, and the lateral wall of inner box 12 is provided with slider 14, slider 14 and slide 13 sliding connection. After the inner box bag 12 is vibrated, the inner box bag 12 moves up and down through the matching of the slide block 14 and the slide way 13. The outer fixedly connected with collecting bag 7 of box 1 because, interior case bag 12 and outer shell 11 constitute by the concatenation of two parts, then fixed through the zip fastener after the concatenation, open in the open air comparatively inconveniently, at this moment, can place in collecting bag 7 like paper handkerchief, key, cell-phone, charger etc. is convenient for take.

Example one

As shown in fig. 4, the damper device 3 includes a spring seat 31 and a damper spring 32, the compression spring is fixed to the spring seat 31, one end of the spring seat 31 is fixedly connected to the outer sidewall of the inner casing 12, and the other end is fixedly connected to the inner sidewall of the outer casing 1.

Example two

According to the illustration of fig. 5, the buffer device 3 is replaced by a second self-recovery air bag with the same structure as the first self-recovery air bag 4, the first self-recovery air bag 4 comprises a return spring 41 and a sealing wrapper 42 with a one-way air inlet valve 43, the return spring 41 is arranged in the sealing wrapper 42, the sealing wrapper is connected with an air pipe, and the air pipe is communicated with the air passage 5. After the sealing wrapper 42 is extruded, the return spring 41 generates elastic pressure change, gas in the sealing wrapper 42 is output from the trachea, at the moment, the one-way air inlet valve 43 is closed, after the external extrusion force of the sealing wrapper 42 disappears, the return spring 41 recovers deformation, at the moment, the one-way air inlet valve 43 is opened, the gas in the sealing wrapper is sucked again, and the first one-way air outlet valve 51 is arranged at the joint of the trachea and the sealing wrapper 42 and used for sucking the gas in the trachea when the sealing wrapper inhales.

It should be noted that the piercing means and the second self-restoring air bag can be installed between the outer bottom wall of the inner box bag 12 and the inner bottom wall of the outer box 11, which not only improves the cushioning effect of the inner box bag 12, but also increases the amount of air blown to the in-wheel motor 2. When the second self-restoring air bag is installed between the outer bottom wall of the inner case 12 and the inner bottom wall of the outer case 11, the second self-restoring air bag is communicated with the air path 5.

According to the figure 6, the air duct 5 is made of a flexible hollow pipe, and one end of the air duct 5, which is positioned at the hub motor 2, is provided with a second one-way air outlet valve 52. The cross section of one end of the air passage 5 close to the in-wheel motor 2 is provided with a decompression cavity 53 with the cross section larger than that of the air passage 5, the arrangement of the decompression cavity 53 is used for avoiding that blown air is too rapid, the flow blown into the interior of the in-wheel motor 2 is larger than the flow blown out from the interior of the in-wheel motor 2, so that the interface of the air passage 5 expands to influence normal use.

As shown in fig. 1 to 6, when the in-wheel motor 2 runs on the uneven bottom surface, the inner box 12 can shake to extrude the gas exhausted from the first self-recovery air bag 4, and the blown gas enters the in-wheel motor 2 through the air passage 5 to achieve the effect of rapid heat dissipation, and the inside of the in-wheel motor 2 can dissipate heat in time, so that the service life of the in-wheel motor is prolonged.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a helping hand case and bag, includes box (1) and in-wheel motor (2), characterized by: the utility model provides a wheel hub motor is characterized in that box (1) includes outer casing (11) and inner box bag (12) of setting in outer casing (11), in-wheel motor (2) rotate to be connected in the bottom of outer casing (11), be provided with buffer (3) between the outer diapire of inner box bag (12) and the inner diapire of outer casing (11), be equipped with first self-resuming gasbag (4) between the outer roof of inner box bag (12) and the inner roof of outer casing (11), be provided with air flue (5) between outer casing (11) and inner box bag (12), first self-resuming gasbag (4) and the one end switch-on of air flue (5), the other end of air flue (5) and the inside switch-on of wheel hub motor (2), be provided with the bypass trachea on wheel hub motor (2), tracheal one end of bypass is located the inside of wheel hub motor (2), and the other end is located the outside of wheel hub motor (2).

2. The power assisting case as claimed in claim 1, wherein: buffer (3) include spring holder (31) and buffer spring (32), compression spring fixes on spring holder (31), the one end of spring holder (31) and the lateral wall fixed connection of interior case bag (12), the other end and the inside wall fixed connection of outer box (1).

3. The power assisting case as claimed in claim 2, wherein: and a second self-recovery air bag is arranged between the outer bottom wall of the inner box bag (12) and the inner bottom wall of the outer box shell (11), and is communicated with the air passage (5).

4. The power assisting case as claimed in claim 1, wherein: the buffer device (3) is set as a second self-recovery air bag which is communicated with the air passage (5).

5. The power assisting case as claimed in claim 4, wherein: the first self-recovery air bag (4) comprises a return spring (41) and a sealed foreskin (42) with a one-way air inlet valve (43), the return spring (41) is arranged in the sealed foreskin (42), an air pipe is connected to the sealed foreskin, and the air pipe is communicated with the air passage (5).

6. The power assisting case as claimed in claim 5, wherein: and one end of the air passage (5) positioned at the hub motor (2) is provided with a one-way air outlet valve.

7. A power assisting case as claimed in any one of claims 1 to 6, wherein: the main shaft (21) of the hub motor (2) is fixedly connected with the outer box shell (11), the end forms a ventilation end, the ventilation end is arranged in a hollow mode, an air inlet (211) and an air outlet (212) are formed in the outer circumferential surface of the ventilation end, the air inlet (211) is located outside the hub motor (2), the air outlet (212) is located inside the hub motor (2), and the air inlet (211) is communicated with the air passage (5).

8. The power assisting case as claimed in claim 7, wherein: the air passage (5) is made of a flexible hollow pipe.

9. The power assisting case as claimed in claim 8, wherein: the inside wall of outer casing (11) is provided with slide (13), the lateral wall of inner box bag (12) is provided with slider (14), slider (14) and slide (13) sliding connection.

10. The power assisting case as claimed in claim 9, wherein: the box body (1) is fixedly connected with a storage bag (7) outside.