CN108851421A - Electric trunk based on differential system - Google Patents
Electric trunk based on differential system Download PDFInfo
- Publication number
- CN108851421A CN108851421A CN201810552307.0A CN201810552307A CN108851421A CN 108851421 A CN108851421 A CN 108851421A CN 201810552307 A CN201810552307 A CN 201810552307A CN 108851421 A CN108851421 A CN 108851421A
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- CN
- China
- Prior art keywords
- electric
- rod
- differential system
- differential
- driving motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/04—Trunks; Travelling baskets
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
- H02P5/52—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another additionally providing control of relative angular displacement
- H02P5/56—Speed and position comparison between the motors by electrical means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention discloses the electric trunks based on differential system, including：Cabinet, drag link mechanism, universal wheel, Electric Motor Wheel mechanism and turning control system；Drag link mechanism is provided at the top of cabinet, the bottom of cabinet is at least provided with four universal wheels, and Electric Motor Wheel mechanism is also disposed at the bottom of cabinet, and Electric Motor Wheel mechanism is located between four universal wheels, and the inside of cabinet is arranged in turning control system；Turning control system includes：Master controller and the first differential system being connected respectively with master controller, the second differential system and electric governor.The problem of electric trunk overcomes luggage case intelligence degree in the prior art low, needs manually to haul movement, and turning is also manual rotation's pull rod, to realize the turning of luggage case, operation is inconvenient, and laborious, influences the experience of journey.
Description
Technical Field
The invention relates to the field of luggage cases, in particular to an electric luggage case based on a differential system.
Background
Luggage, also known as traveling case and trolley case, is a case that is carried when going out for placing articles, which is one type of luggage. Usually, the luggage case is used for placing clothes, personal care products and souvenirs required by the journey. The novel luggage case comprises a case body, a telescopic pull rod and pulleys, is widely used due to convenient use, has a long history, is a necessary article when people go out of a door, has a large capacity, and can protect the articles contained in the luggage case due to hard texture.
But the suitcase intelligent degree among the prior art is low, needs the manual work to pull the motion, and the turn also is the manual work and rotates the pull rod to realize the turn of suitcase, the operation is very inconvenient, and is hard moreover, influences the experience of journey.
Therefore, the present invention provides an electric luggage case based on a differential system, which can realize electric drive during use to save labor and reduce fatigue during travel, and can realize automatic turning function by using the differential system.
Disclosure of Invention
Aiming at the technical problems, the invention aims to solve the problems that the intelligent degree of the suitcase in the prior art is low, the suitcase needs to be manually pulled to move, and the turning of the suitcase is realized by manually rotating the pull rod, so that the turning of the suitcase is realized, the operation is very inconvenient, labor is wasted, and the experience of a journey is influenced, thereby providing the electric suitcase based on the differential system, which can realize electric drive in the using process, save manpower, reduce the fatigue of the journey and realize the automatic turning function by utilizing the differential system.
In order to achieve the above object, the present invention provides an electric luggage based on a differential system, comprising: the device comprises a box body, a pull rod mechanism, universal wheels, an electric wheel mechanism and a turning control system; the top of the box body is provided with the pull rod mechanism, the bottom of the box body is at least provided with four universal wheels, the electric wheel mechanism is also arranged at the bottom of the box body and is positioned among the four universal wheels, and the turning control system is arranged inside the box body; wherein the electric power wheel mechanism includes at least: the electric wheel comprises a first electric wheel, a second electric wheel, a first driving motor and a second driving motor, wherein an output shaft of the first driving motor is connected with a central shaft of the first electric wheel, and an output shaft of the second driving motor is connected with a central shaft of the second driving motor; the turning control system includes: the main controller is connected with a first differential system, a second differential system and an electric speed regulator respectively, and when the first differential system is started, the main controller receives an instruction and then reduces the rotating speed of the first driving motor through the electric speed regulator; when the second differential system is started, the main controller reduces the rotating speed of the second driving motor through the electric speed regulator after receiving an instruction.
Preferably, the electric power wheel mechanism further includes: the driving pump and the connecting rod are arranged in the box body, the driving pump and the connecting rod are arranged in the accommodating cavity, a piston rod on the driving pump is vertically arranged, the bottom end of the piston rod is connected with the connecting rod, and the first electric wheel and the second electric wheel are respectively arranged at two ends of the connecting rod.
Preferably, the drawbar mechanism includes: the first rod body and the second rod body are vertically arranged at the top of the box body respectively, the first handrail is arranged at the top of the first rod body, the second handrail is arranged at the top of the second rod body, and the first handrail and the second handrail are connected together.
Preferably, the first handrail can rotate by taking the first rod body as an axis, the second handrail can rotate by taking the second rod body as an axis, a clamping piece is arranged at the end part of the first handrail, and a clamping groove matched with the clamping piece is arranged at the end part of the second handrail.
Preferably, the first armrest is provided with a first start switch electrically connected to the first differential system, and the second armrest is provided with a second start switch electrically connected to the second differential system.
Preferably, a handle is arranged on one side of the box body.
Preferably, the handle is wrapped with a rubber sleeve.
Preferably, supporting legs are arranged on one side, opposite to the lifting handle, of the box body.
According to the technical scheme, when the electric luggage based on the differential system is used, the first driving motor and the second driving motor are used for driving the first electric wheel and the second electric wheel respectively, so that an electric function is achieved, when steering is needed, the differential system in the corresponding direction is started, for example, the first differential system is started, after the main controller receives an instruction, the rotating speed of the first driving motor is reduced through the electric speed regulator, due to the speed difference between the first electric wheel and the second electric wheel, the luggage body rotates towards the direction of the first electric wheel, so that the steering function is achieved, and the principles of the second electric wheel are the same. The electric luggage case based on the differential system overcomes the problems that the luggage case in the prior art is low in intelligentization degree, needs manual pulling movement, and turns because the pull rod is manually rotated, so that the luggage case is turned, the operation is very inconvenient, labor is wasted, and the travel experience is influenced.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an electric trunk turn control system based on a differential system provided in a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of an electric luggage case based on a differential system according to a preferred embodiment of the present invention;
FIG. 3 is a side view of a powered luggage case based on a differential system provided in a preferred embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electric wheel mechanism of an electric luggage based on a differential system according to a preferred embodiment of the present invention.
Description of the reference numerals
1 case 21 first rod
22 second rod 31 first handrail
32 second armrest 41 first activation switch
42 second starting switch 5 support foot
6 hold 7 electric wheel mechanisms in chamber
71 drive pump 72 piston rod
73 link 74 first electric wheel
75 second electric wheel 76 first driving motor
77 universal wheel of second driving motor 8
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, inner, outer" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1-4, the present invention provides an electric luggage based on a differential system, comprising: the device comprises a box body 1, a pull rod mechanism, universal wheels 8, an electric wheel mechanism 7 and a turning control system; the top of the box body 1 is provided with the pull rod mechanism, the bottom of the box body 1 is at least provided with four universal wheels 8, the electric wheel mechanism 7 is also arranged at the bottom of the box body 1, the electric wheel mechanism 7 is positioned among the four universal wheels 8, and the turning control system is arranged inside the box body 1; wherein the electric power wheel mechanism 7 comprises at least: a first electric wheel 74, a second electric wheel 75, a first driving motor 76 and a second driving motor 77, wherein an output shaft of the first driving motor 76 is connected with a central shaft of the first electric wheel 74, and an output shaft of the second driving motor 77 is connected with a central shaft of the second driving motor 77; the turning control system includes: the main controller and the first differential system, the second differential system and the electric speed regulator which are respectively connected with the main controller, when the first differential system is started, the main controller reduces the rotating speed of the first driving motor 76 through the electric speed regulator after receiving an instruction; when the second differential system is started, the main controller reduces the rotation speed of the second driving motor 77 through the electric speed regulator after receiving the instruction.
According to the above technical solution, when the electric luggage based on the differential system provided by the present invention is used, the first driving motor 76 and the second driving motor 77 are utilized to drive the first electric wheel 74 and the second electric wheel 75 respectively, so as to implement an electric function, when a steering is required, the differential system in a corresponding direction is started, for example, the first differential system is started, after the main controller receives an instruction, the electric speed regulator reduces the rotation speed of the first driving motor 76, and due to the speed difference between the first electric wheel 74 and the second electric wheel 75, the case 1 rotates towards the direction of the first electric wheel 74, so as to implement a steering function, and the principle of the second electric wheel 75 is the same. The electric luggage case based on the differential system overcomes the problems that the luggage case in the prior art is low in intelligentization degree, needs manual pulling movement, and turns because the pull rod is manually rotated, so that the luggage case is turned, the operation is very inconvenient, labor is wasted, and the travel experience is influenced.
In a preferred embodiment of the present invention, the electric wheel mechanism 7 further includes: the universal wheel type electric power steering device comprises a driving pump 71 and a connecting rod 73, wherein a containing cavity 6 is formed in the box body 1, the driving pump 71 and the connecting rod 73 are arranged in the containing cavity 6, a piston rod 72 on the driving pump 71 is vertically arranged, the bottom end of the piston rod is connected with the connecting rod 73, a first electric wheel 74 and a second electric wheel 75 are respectively arranged at two ends of the connecting rod 73, and when an electric function is not needed, the driving pump 71 is used for lifting the two electric wheels, so that the universal wheels 8 work independently; when the electric function needs to be started, the two electric wheels are lowered to the bottom of the first electric wheel, the bottom of the second electric wheel and the bottom of the universal wheel 8 are flush by using the driving pump 71, and then the first electric wheel and the second electric wheel are started to realize the electric function.
In a preferred embodiment of the present invention, the drawbar mechanism includes: the first rod body 21 and the second rod body 22 are vertically arranged at the top of the box body 1, the first handrail 31 is arranged at the top of the first rod body 21, the second handrail 32 is arranged at the top of the second rod body 22, and the first handrail 31 and the second handrail 32 are connected together.
In a preferred embodiment of the present invention, the first handle 31 can rotate around the first rod 21, the second handle 32 can rotate around the second rod 22, a locking member 12 is disposed at an end of the first handle 31, a locking groove matched with the locking member 12 is disposed at an end of the second handle 32, and the first handle 31 and the second handle 32 can be connected together, so that the pull rod mechanism is in a general pull rod shape and can be adjusted to a hand-push mode, which is convenient for a user to push a luggage case.
In a preferred embodiment of the present invention, the first armrest 31 is provided with a first start switch 41 electrically connected to the first differential system, the second armrest 32 is provided with a second start switch 42 electrically connected to the second differential system, and a user activates the corresponding start switch according to a steering direction.
In a preferred embodiment of the present invention, a handle 10 is provided at one side of the case body 1, so that a user can conveniently carry the luggage upstairs.
In a preferred embodiment of the present invention, the handle 10 is wrapped with a rubber sleeve. The rubber sleeve can increase the friction force of the outer surface of the handle 10 and improve the holding comfort.
In a preferred embodiment of the present invention, the box 1 is provided with a support foot 5 on a side opposite to the handle 10. Thereby facilitating the user to place the luggage case laterally.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (8)
1. An electric luggage case based on a differential system, characterized in that it comprises: the device comprises a box body (1), a pull rod mechanism, universal wheels (8), an electric wheel mechanism (7) and a turning control system;
the pull rod mechanism is arranged at the top of the box body (1), at least four universal wheels (8) are arranged at the bottom of the box body (1), the electric wheel mechanism (7) is also arranged at the bottom of the box body (1), the electric wheel mechanism (7) is positioned among the four universal wheels (8), and the turning control system is arranged in the box body (1); wherein,
the electric wheel mechanism (7) comprises at least: a first electric wheel (74), a second electric wheel (75), a first driving motor (76) and a second driving motor (77), wherein the output shaft of the first driving motor (76) is connected with the central shaft of the first electric wheel (74), and the output shaft of the second driving motor (77) is connected with the central shaft of the second driving motor (77);
the turning control system includes: the main controller is connected with a first differential system, a second differential system and an electric speed regulator which are respectively connected with the main controller, and when the first differential system is started, the main controller receives an instruction and then reduces the rotating speed of the first driving motor (76) through the electric speed regulator; when the second differential system is started, the main controller reduces the rotating speed of the second driving motor (77) through the electric speed regulator after receiving an instruction.
2. Electric luggage case based on a differential system according to claim 1, characterized in that the electric wheel mechanism (7) further comprises: the electric power transmission device comprises a driving pump (71) and a connecting rod (73), a containing cavity (6) is formed in the box body (1), the driving pump (71) and the connecting rod (73) are arranged in the containing cavity (6), a piston rod (72) on the driving pump (71) is vertically arranged, the bottom end of the piston rod is connected with the connecting rod (73), and the first electric wheel (74) and the second electric wheel (75) are respectively arranged at two ends of the connecting rod (73).
3. The differential-system-based motorized luggage of claim 1, wherein the pulling rod mechanism comprises: the novel box comprises a first rod body (21), a second rod body (22), a first handrail (31) and a second handrail (32), wherein the first rod body (21) and the second rod body (22) are vertically arranged at the top of the box body (1) respectively, the first handrail (31) is arranged at the top of the first rod body (21), the second handrail (32) is arranged at the top of the second rod body (22), and the first handrail (31) and the second handrail (32) are connected together.
4. The differential-system-based electric luggage case as claimed in claim 3, wherein the first handle (31) can rotate around the first rod (21), the second handle (32) can rotate around the second rod (22), and a fastener (12) is disposed at an end of the first handle (31), and a locking groove which is matched with the fastener (12) is disposed at an end of the second handle (32).
5. The differential-system-based electric luggage case as claimed in claim 4, wherein the first armrest (31) is provided with a first start switch (41) electrically connected with the first differential system, and the second armrest (32) is provided with a second start switch (42) electrically connected with the second differential system.
6. Electric luggage case based on a differential system according to claim 1, characterized in that a handle (10) is provided on one side of the case (1).
7. Electric luggage case based on differential system according to claim 6, characterized in that the handle (10) is wrapped with a rubber sleeve.
8. Electric luggage case based on a differential system according to claim 6, characterized in that the side of the case (1) opposite to the handle (10) is provided with support feet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552307.0A CN108851421A (en) | 2018-05-31 | 2018-05-31 | Electric trunk based on differential system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552307.0A CN108851421A (en) | 2018-05-31 | 2018-05-31 | Electric trunk based on differential system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108851421A true CN108851421A (en) | 2018-11-23 |
Family
ID=64335175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810552307.0A Pending CN108851421A (en) | 2018-05-31 | 2018-05-31 | Electric trunk based on differential system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108851421A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040487A (en) * | 2021-03-22 | 2021-06-29 | 南华大学 | Intelligent luggage case and automatic following method thereof |
-
2018
- 2018-05-31 CN CN201810552307.0A patent/CN108851421A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040487A (en) * | 2021-03-22 | 2021-06-29 | 南华大学 | Intelligent luggage case and automatic following method thereof |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181123 |