CN110203015B - Electric brake control system for pull rod wheel set - Google Patents
Electric brake control system for pull rod wheel set Download PDFInfo
- Publication number
- CN110203015B CN110203015B CN201810167974.7A CN201810167974A CN110203015B CN 110203015 B CN110203015 B CN 110203015B CN 201810167974 A CN201810167974 A CN 201810167974A CN 110203015 B CN110203015 B CN 110203015B
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- Prior art keywords
- pipe fitting
- pull rod
- brake
- control system
- fixing seat
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/001—Accessories
-
- 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
- A45C5/141—Rigid or semi-rigid luggage with built-in rolling means the rolling means being formed by the trunk itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/40—Articles of daily use
- B60B2200/45—Suitcases
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention relates to an electric brake control system of a pull rod wheel set, which is used for the bottom of a pull rod box body; the electric brake control system of the pull rod wheel set comprises a fixing component, a pull rod component penetrating through the fixing component, a handle component installed at one end of the pull rod component, and a roller component fixed at the bottom of the pull rod box body. In the pull rod wheel set electric brake control system, the first brake switch is electrically connected with the circuit board, the first brake switch is pressed, and the electromagnet can control the roller to brake or release the brake after being electrified; meanwhile, a conducting strip is arranged on the lock catch and is electrically communicated with the first pipe fitting, the second pipe fitting and the third pipe fitting, so that the second brake switch is electrically connected with the circuit board, the second brake switch is pressed, and the roller can be controlled to brake or brake can be released after the electromagnet is electrified; the arrangement of the first brake switch and the second brake switch enables the pull rod to control the roller assemblies in a pulled-out or folded state, the structure is simple and efficient, and a plurality of wires and corresponding conductive structures are omitted.
Description
Technical Field
The invention relates to the technical field of draw-bar cases, in particular to an electric brake control system of a draw-bar wheel set.
Background
The draw-bar box is a common article for daily use, and the bottom of the draw-bar box is provided with the rollers, so that the draw-bar box is convenient and labor-saving to pull and is popular with people. However, when people take the draw-bar box to take a bus or a train, if the draw-bar box is placed on the floor in the train, the draw-bar box is easy to slide and touch other passengers in the acceleration or deceleration process of the train due to the action of inertia, which brings inconvenience to the users, and in more serious cases, the draw-bar box can injure other passengers. The driving mode of the currently used brake system of the trunk is a mechanical method, and a user operates a knob or a key to pull an actuating mechanism of the brake system through a cable so as to achieve the purpose of braking. The method has the problems of labor-consuming operation and low operation position inconvenience.
Disclosure of Invention
Based on the control system, the electric brake control system of the pull rod wheel set is simple and efficient in structure, and can control the roller to achieve the effect of braking or brake releasing.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the utility model provides a pull rod wheelset electric brake control system for install on the pull rod box, pull rod wheelset electric brake control system includes:
the fixing assembly comprises an upper fixing seat, a battery connected with the upper fixing seat, a first brake switch arranged on the upper fixing seat, a lower fixing seat arranged at an interval with the upper fixing seat, and a circuit board arranged in the lower fixing seat; the circuit board is electrically connected with the battery and the first brake switch respectively;
the pull rod assembly penetrates through the fixing assembly; the pull rod assembly comprises a first pipe fitting, a second pipe fitting and a third pipe fitting which are sequentially nested, a pipe sleeve respectively arranged at one end of the first pipe fitting and one end of the second pipe fitting, a lock catch abutted against one end of the pipe sleeve, and a conducting strip arranged on one side of the lock catch; the first pipe fitting penetrates through the upper fixing seat and the lower fixing seat respectively; the first pipe fitting is electrically connected with the circuit board; the first pipe fitting, the second pipe fitting and the third pipe fitting are all conductive, and two opposite ends of the conducting strip are respectively abutted against the first pipe fitting and the second pipe fitting, and the second pipe fitting and the third pipe fitting so as to form electrical communication among the first pipe fitting, the second pipe fitting and the third pipe fitting;
the handle assembly is mounted at one end of the pull rod assembly; the handle assembly comprises a handle body, a first connecting seat connected to one end of the handle body, a second connecting seat connected to the other end of the handle body, and a second brake switch; the second brake switch is electrically communicated with the circuit board; and
the roller assembly is fixed at the bottom of the draw-bar box body; the roller assembly comprises a wheel seat, a roller connected to one end of the wheel seat, a support connected to the other end of the wheel seat, a brake arm and a dowel bar which are arranged in the support, a return spring clamped between one end of the brake arm and the support, and an electromagnet connected with the support; the electromagnet is electrically connected with the circuit board.
In the pull rod wheel set electric brake control system, the first brake switch is electrically connected with the circuit board, the first brake switch is pressed, and the electromagnet can control the roller to brake or release the brake after being electrified; meanwhile, a conducting strip is arranged on the lock catch and is electrically communicated with the first pipe fitting, the second pipe fitting and the third pipe fitting, so that the second brake switch is electrically connected with the circuit board, the second brake switch is pressed, and the roller can be controlled to brake or brake can be released after the electromagnet is electrified; the arrangement of the first brake switch and the second brake switch enables the pull rod to control the roller assemblies in a pulled-out or folded state, the structure is simple and efficient, and a plurality of wires and corresponding conductive structures are omitted.
In one embodiment, the circuit board is provided with a plurality of conductive springs, and the conductive springs abut against the conductive terminals of the battery.
In one embodiment, the fixing assembly further comprises an accommodating box connected with the upper fixing seat, a cover plate covering the top of the accommodating box, a sealing plate connected with the lower fixing seat, and a tailstock arranged on one side of the lower fixing seat at intervals; the tailstock is connected with the first pipe fitting.
In one embodiment, one end of the cover plate is pivoted on the upper fixing seat, and the other end of the cover plate is provided with a cover plate switch and a movable pin arranged on one side of the cover plate switch; the movable pin is movably abutted against the cover plate switch.
In one embodiment, the cover plate is further provided with a plurality of output ports and a display module, and the output ports and the display module are both electrically connected with the battery.
In one embodiment, the outer surfaces of the first, second and third pipe elements are covered with an insulating layer.
In one embodiment, the second brake switch is mounted in the first connecting seat.
In one embodiment, the second brake switch is mounted on the handle body.
In one embodiment, the brake arm is movably arranged in the bracket, the brake arm is provided with an inclined plane and a head part, and the head part of the brake arm corresponds to the wheel hole of the roller; the dowel bar is movably connected with the bracket, one end of the dowel bar is a protruding part, and the protruding part is abutted against the inclined plane of the brake arm; the electromagnet is provided with a shaft core, and the shaft core is connected with the dowel bar.
In one embodiment, the first pipe is electrically connected with the first brake switch and the circuit board through a plurality of leads respectively.
Drawings
FIG. 1 is a perspective view of an electric brake control system for a drawbar wheel set according to a preferred embodiment of the present invention;
FIG. 2 is a perspective view of the electric brake control system of a drawbar wheel set shown in FIG. 1 from another perspective;
FIG. 3 is a partial, semi-sectional view of the pull rod wheel set electric brake control system shown in FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3 taken at circle A;
FIG. 5 is an enlarged view of a portion of FIG. 3 taken at circle B;
FIG. 6 is a sectional view of the second and third tubular members of the electric brake control system of a trolley assembly shown in FIG. 1;
fig. 7 is a cross-sectional view of a handle assembly of the trolley wheel set electric brake control system shown in fig. 1.
Reference is made to the accompanying drawings in which:
10-fixed component, 11-upper fixed seat, 12-containing box, 13-battery, 14-cover plate, 141-cover plate switch, 142-movable pin, 143-output port, 15-first brake switch, 16-lower fixed seat, 17-circuit board, 171-conductive spring, 18-sealing plate, 19-tail seat;
20-a pull rod assembly, 21-a first pipe, 22-a second pipe, 23-a third pipe, 24-a pipe sleeve, 25-a lock catch, 26-a conducting strip;
30-a handle component, 31-a handle body, 32-a first connecting seat, 33-a second connecting seat and 34-a second brake switch;
40-roller component, 41-roller seat, 42-roller and 43-bracket.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 7, an electric brake control system for a drawbar wheel set according to a preferred embodiment of the present invention is installed on a drawbar box. The electric brake control system for the draw-bar wheel set comprises a fixing component 10 fixed on a draw-bar box body, a draw-bar component 20 penetrating through the fixing component 10, a handle component 30 installed at one end of the draw-bar component 20, and a roller component 40 fixed at the bottom of the draw-bar box body.
The fixing assembly 10 includes an upper fixing base 11, an accommodating box 12 connected to the upper fixing base 11, a battery 13 installed in the accommodating box 12, a cover plate 14 covering the top of the accommodating box 12, a first brake switch 15 installed on the upper fixing base 11, a lower fixing base 16 connected to the bottom of the accommodating box 12, a circuit board 17 installed in the lower fixing base 16, a sealing plate 18 connected to the lower fixing base 16, and a tail seat 19 parallelly and intermittently disposed on one side of the lower fixing base 16. The tail seat 19 is fixed on the draw bar box body, and the tail seat 19 is also connected with the draw bar assembly.
In this embodiment, the upper fixing base 11 is fixed to the draw-bar box body. As shown in fig. 3 and 4, the upper fixing seat 11 is provided with a through groove (not shown), the accommodating box 12 is hollow and has an upper opening and a lower opening, and the through groove is communicated with the inside of the accommodating box 12. The cover 14 corresponds to the through slot, one end of the cover 14 is pivotally connected to the upper fixing base 11 through a connecting pin (not shown), the other end of the cover 14 is provided with a cover switch 141 and a movable pin 142 disposed at one side of the cover switch 141, and the movable pin 142 is movably abutted to the cover switch 141 for locking. When the accommodating box 12 is opened, the accommodating box 12 can be opened only after the movable pin 142 is slid and the cover switch 142 is unlocked by the movable pin 142, and the movable pin 142 and the cover switch 141 have a double-locking safety function, so that a child can be prevented from directly opening the accommodating box 12 after mistakenly touching the cover switch 141, and taking out the battery 13 for playing. The circuit board 17 is electrically connected with the battery 13 and the first brake switch 15 respectively, the circuit board 17 is electrically connected with the roller assembly 40, and the roller assembly 40 can be controlled to brake or brake can be released through the first brake switch 15. Further, in this embodiment, the cover plate 14 may further include a plurality of output ports 143 and a display module (not shown), and both the output ports 143 and the display module are electrically connected to the battery 13. The output port 143 is used for connecting an electrical appliance to the outside to output the electric energy of the battery 13. The display module is used for displaying the electric energy storage condition of the battery 13.
The lower fixing seat 16 and the upper fixing seat 11 are arranged in parallel at intervals. In the present embodiment, the lower fixing base 16 is substantially hollow and has a shape like a Chinese character 'tu', and the protruding portion of the lower fixing base 16 corresponds to the bottom of the accommodating box 12. A plurality of conductive springs 171 are mounted on the circuit board 17, and when the battery 13 is loaded into the accommodating box 12, the cover plate 14 is covered and the cover plate switch 141 is slid to close the accommodating box 12, the conductive springs 171 are abutted against conductive terminals of the battery 13, so that the circuit board 17 is electrically communicated with the battery 13; meanwhile, under the extrusion of the battery 13, the conductive spring 171 is in a compressed state, and if the cover switch 141 slides to open the accommodating box 12, the conductive spring 171 resets, so that the battery 13 protrudes out of the opening of the accommodating box 12, and the battery 13 is convenient to take away.
Referring to fig. 3, 5 and 6 again, in the present embodiment, the pull rod assembly 20 is a three-section type pull rod, and includes a first tube 21, a second tube 22 and a third tube 23 that are sequentially nested, a tube sleeve 24 respectively installed at one end of the first tube 21 and one end of the second tube 22, a lock catch 25 abutting against one end of the tube sleeve 24, and a conductive plate 26 installed at one side of the lock catch 25. In this embodiment, the first pipe element 21, the second pipe element 22 and the third pipe element 23 are all hollow, the pipe diameter of the first pipe element 21 is greater than the pipe diameter of the second pipe element 22, the pipe diameter of the second pipe element 22 is greater than the pipe diameter of the third pipe element 23, and specifically, after the third pipe element 23 is sleeved on the second pipe element 22, the second pipe element 22 and the third pipe element 23 are sleeved on the first pipe element 21. The first tube 21 is respectively inserted into the upper fixing seat 11 and the lower fixing seat 16, and one end of the first tube 21 is connected to the tail seat 19. Further, in the present embodiment, the first pipe 21 is electrically connected to the circuit board 17 through a plurality of wires, and the first pipe 21 is electrically connected to the first brake switch 15 through a plurality of wires.
The lock 25 is respectively installed at one end of the second pipe 22 and the third pipe 23 facing the roller assembly 40. By pressing the lock catch, the lock catch of the lock catch 25 can respectively penetrate through the first pipe fitting 21 and the second pipe fitting 22, and the second pipe fitting 22 and the third pipe fitting 23, so that the relative locking between the first pipe fitting 21 and the second pipe fitting 22, and between the second pipe fitting 22 and the third pipe fitting 23 is realized. Specifically, a conducting strip 26 is sandwiched between the lock 25 and the inner wall of the first tube 21, one end of the conducting strip 26 abuts against the inner wall of the first tube 21, and the other end of the conducting strip 26 abuts against the inner wall of the second tube 22, so that the first tube 21 and the second tube 22 are electrically connected; similarly, a conducting strip 26 is also sandwiched between the lock 25 and the inner wall of the second tube 22, one end of the conducting strip 26 abuts against the inner wall of the second tube 22, and the other end of the conducting strip 26 abuts against the inner wall of the third tube 23, so that the second tube 22 and the third tube 23 are electrically connected. Thus, the first tube 21, the second tube 22 and the third tube 23 are electrically connected to each other.
The handle assembly 30 is attached to one end of the third tube 23. The handle assembly 30 includes a handle body 31, a first connecting seat 32 connected to one end of the handle body 31, a second connecting seat 33 connected to the other end of the handle body 31, and a second brake switch 34. In the present embodiment, the second brake switch 34 is mounted on the first connecting base 32; in other embodiments, the second brake switch 34 is mounted to the handle body 31.
The handle body 31, the first connecting seat 32 and the second connecting seat 33 are not electrically conductive. Specifically, the first connecting seat 32 and the second connecting seat 33 are respectively inserted into the inside of the third pipe 23, and the first connecting seat 32 and the third pipe 23, and the second connecting seat 33 and the third pipe 23 are fixed by a plurality of connecting members. One end of the second brake switch 34 is connected to the connecting member in the first connecting base 32 through a wire, and the other end of the second brake switch 34 is connected to the connecting member in the second connecting base 33 through a wire. In the present embodiment, the connecting member, the first tube 21, the second tube 22 and the third tube 23 have good electrical conductivity, and specifically, can be made of metal material, conductive plastic, and the like. Therefore, the electrical connection between the second brake switch 34 and the circuit board 17 can be realized by the conductivity of the connecting member, the first pipe member 21, the second pipe member 22 and the third pipe member 23, and the brake of the roller assembly 40 can be controlled or released by the second brake switch 34. Meanwhile, a plurality of wires and corresponding conductive structures can be omitted, and the device is simple and efficient.
Further, in the present embodiment, the outer surfaces of the connecting member, the first tube 21, the second tube 22 and the third tube 23 may be further covered with an insulating layer to improve the use safety and the appearance.
Still further, in other embodiments, the first connecting seat 32 and the second connecting seat 33 may also be provided with electrical conductivity, and the first connecting seat 32 and the second connecting seat 33 directly contact the third tube 23 to form electrical communication, thereby omitting the connecting member structure.
The roller assembly 40 includes a wheel base 41, a roller 42 connected to one end of the wheel base 41, a bracket 43 connected to the other end of the wheel base 41, a brake arm (not shown) and a dowel bar (not shown) installed in the bracket 43, a return spring (not shown) interposed between one end of the brake arm and the bracket 43, and an electromagnet connected to the bracket 43; the electromagnet is electrically connected with the circuit board 17. Specifically, the brake arm is movably mounted inside the bracket 43, and the brake arm is provided with a bevel and a head, the head of the brake arm being aligned with the wheel hole of the roller 42. The dowel bar is movably connected with the bracket, one end of the dowel bar is a protruding part, and the protruding part abuts against the inclined plane of the brake arm. The electromagnet is provided with a shaft core (not shown) which is connected with a dowel bar.
When the pull rod assembly 20 is in a retracted state, the first brake switch 15 is pressed, the electromagnet is powered on, the transmission rod can be controlled to move through the shaft core, and then the protruding part of the transmission rod extrudes or is far away from the inclined plane of the brake arm in the motion process, so that the brake arm generates displacement in the horizontal direction or resets under the action of a reset spring, and then the head part of the brake arm is clamped into or separated from the wheel hole of the roller, and braking or brake releasing is realized. When the pull rod assembly 20 is in a pulled-out state, the second brake switch 34 is pressed, the electromagnet is electrified, the transmission rod can be controlled to move through the shaft core, and then the protruding part of the transmission rod extrudes or is far away from the inclined plane of the brake arm in the movement process, so that the brake arm generates displacement in the horizontal direction or resets under the action of a reset spring, and then the head part of the brake arm is clamped into or separated from the wheel hole of the roller, and braking or brake releasing is realized.
In the pull rod wheel set electric brake control system, the first brake switch 15 is electrically connected with the circuit board 17, the first brake switch 15 is pressed, and the electromagnet can control the roller 42 to brake or release the brake after being electrified; meanwhile, a conducting strip 26 is arranged on the lock catch 25 and is electrically communicated with the first pipe fitting 21, the second pipe fitting 22 and the third pipe fitting 23, so that the second brake switch 34 is electrically connected with the circuit board 17, the second brake switch 34 is pressed, and the electromagnet can control the roller 42 to brake or release the brake after being electrified; the arrangement of the first brake switch 15 and the second brake switch 34 enables the pull rod to control the roller assembly 40 in a pulled-out or folded state, the structure is simple and efficient, and a plurality of wires and corresponding conductive structures are omitted.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a pull rod wheelset electric brake control system for install on the pull rod box, its characterized in that, pull rod wheelset electric brake control system includes:
the fixing assembly comprises an upper fixing seat, a battery connected with the upper fixing seat, a first brake switch arranged on the upper fixing seat, a lower fixing seat arranged at an interval with the upper fixing seat, and a circuit board arranged in the lower fixing seat; the circuit board is electrically connected with the battery and the first brake switch respectively;
the pull rod assembly penetrates through the fixing assembly; the pull rod assembly comprises a first pipe fitting, a second pipe fitting and a third pipe fitting which are sequentially nested, a pipe sleeve respectively arranged at one end of the first pipe fitting and one end of the second pipe fitting, a lock catch abutted against one end of the pipe sleeve, and a conducting strip arranged on one side of the lock catch; the first pipe fitting penetrates through the upper fixing seat and the lower fixing seat respectively; the first pipe fitting is electrically connected with the circuit board; the first pipe fitting, the second pipe fitting and the third pipe fitting are all conductive, and two opposite ends of the conducting strip are respectively abutted against the first pipe fitting and the second pipe fitting, and the second pipe fitting and the third pipe fitting so as to form electrical communication among the first pipe fitting, the second pipe fitting and the third pipe fitting;
the handle assembly is mounted at one end of the pull rod assembly; the handle assembly comprises a handle body, a first connecting seat connected to one end of the handle body, a second connecting seat connected to the other end of the handle body, and a second brake switch; the second brake switch is electrically communicated with the circuit board; and
the roller assembly is fixed at the bottom of the draw-bar box body; the roller assembly comprises a wheel seat, a roller connected to one end of the wheel seat, a support connected to the other end of the wheel seat, a brake arm and a dowel bar which are arranged in the support, a return spring clamped between one end of the brake arm and the support, and an electromagnet connected with the support; the electromagnet is electrically connected with the circuit board.
2. The control system of claim 1, wherein the circuit board has a plurality of conductive springs mounted thereon, the conductive springs abutting conductive terminals of the battery.
3. The electric brake control system of a trolley wheel set as claimed in claim 2, wherein the fixing assembly further comprises an accommodating box connected to the upper fixing seat, a cover plate covering the top of the accommodating box, a sealing plate connected to the lower fixing seat, and a tailstock spaced at one side of the lower fixing seat; the tailstock is connected with the first pipe fitting.
4. The system for controlling the electric brake of the pull rod wheel set according to claim 3, wherein one end of the cover plate is pivotally connected to the upper fixing seat, and the other end of the cover plate is provided with a cover plate switch and a movable pin arranged on one side of the cover plate switch; the movable pin is movably abutted against the cover plate switch.
5. The pull rod wheel set electric brake control system of claim 4, wherein the cover plate is further provided with a plurality of output ports and a display module, and the output ports and the display module are both electrically connected with the battery.
6. The system of claim 1, wherein the first, second, and third tubes have an outer surface covered with an insulating layer.
7. The pull-bar wheel set electric brake control system of claim 1, wherein the second brake switch is mounted within the first connector.
8. The pull-wheel set electric brake control system of claim 1, wherein the second brake switch is mounted on the handle body.
9. The pull rod wheel set electric brake control system of claim 1, wherein the brake arm is movably mounted inside the bracket, the brake arm is provided with an inclined surface and a head, and the head of the brake arm corresponds to the wheel hole of the roller; the dowel bar is movably connected with the bracket, one end of the dowel bar is a protruding part, and the protruding part is abutted against the inclined plane of the brake arm; the electromagnet is provided with a shaft core, and the shaft core is connected with the dowel bar.
10. The pull rod wheel set electric brake control system of claim 1, wherein the first pipe is electrically connected to the first brake switch and the circuit board through a plurality of wires, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167974.7A CN110203015B (en) | 2018-02-28 | 2018-02-28 | Electric brake control system for pull rod wheel set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167974.7A CN110203015B (en) | 2018-02-28 | 2018-02-28 | Electric brake control system for pull rod wheel set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110203015A CN110203015A (en) | 2019-09-06 |
| CN110203015B true CN110203015B (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810167974.7A Active CN110203015B (en) | 2018-02-28 | 2018-02-28 | Electric brake control system for pull rod wheel set |
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| Country | Link |
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| CN (1) | CN110203015B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111642881B (en) * | 2020-07-09 | 2022-04-26 | 东莞市江顺箱包袋配件有限公司 | Electric brake device for luggage case |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29712523U1 (en) * | 1997-07-15 | 1997-10-09 | Kötter, Helmut, 32120 Hiddenhausen | Motorized lifting frame with extendable and automatically swiveling castors |
| JP5695123B2 (en) * | 2013-05-09 | 2015-04-01 | 株式会社ティーアンドエス | Caster lock device for bags such as suitcases |
| CN104512198B (en) * | 2013-09-26 | 2017-01-04 | 东莞市江顺箱包袋配件有限公司 | Universal wheel with electromagnetic type brake system |
| JP6051326B1 (en) * | 2016-05-20 | 2016-12-27 | 第一工商有限会社 | Operation handle device |
| CN106418998B (en) * | 2016-09-30 | 2019-07-09 | 北京小米移动软件有限公司 | Braking method, device and suitcase |
| CN206324391U (en) * | 2016-12-12 | 2017-07-14 | 马小泽 | A kind of luggage case of strap brake structure |
| CN206880266U (en) * | 2017-04-27 | 2018-01-16 | *** | Draw-bar box with charging device |
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2018
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| CN110203015A (en) | 2019-09-06 |
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