WO2019028705A1

WO2019028705A1 - Automatic braking device for luggage wheels

Info

Publication number: WO2019028705A1
Application number: PCT/CN2017/096663
Authority: WO
Inventors: 卢志勇
Original assignee: 东莞市美而美旅行用品有限公司
Priority date: 2017-08-09
Filing date: 2017-08-09
Publication date: 2019-02-14

Abstract

An automatic braking device for luggage wheels. The device comprises a main controller (10), a power supply system (20), an automatic drive unit (502), and a brake mechanism (501) for braking luggage wheels. The main controller (10) is connected to the power supply system (20) and the automatic drive unit (502) respectively, and the automatic drive unit (502) is connected to the brake mechanism (501). The main controller (10) receives a braking signal and controls the automatic drive unit (502) to drive the brake mechanism (501) to brake the luggage wheels, so as to replace the manual combination brakes in the prior art. The device improves operational convenience and practicality and achieves more timely braking operation and better safety and reliability. In addition, multiple control modes such as Bluetooth and RF are combined to brake the luggage wheels, achieving intelligent and automated remote control in braking of the luggage wheels, and a manual forced brake switch may be used to avoid the scenario in which luggage wheels are not braked in time due to a fault in the automatic drive unit.

Description

Automatic brake brake device for box wheel

Technical field

The invention relates to the technical field of a box wheel brake, in particular to an automatic brake device for a box wheel, which is suitable for a box such as a trunk.

Background technique

At present, most of the luggage on the market does not have a driving brake system, which causes people to quickly move the luggage under the action of inertia due to the braking of the motor vehicle when the luggage is placed on the motor vehicle. The heavy ones hurt people; there are also a small number of artificial mechanical brakes on the market to brake the luggage wheels of the luggage box. However, it has inconveniences such as inconvenient operation, weak practicability and poor safety and reliability.

Therefore, in the patent application of the present invention, the applicant has carefully studied an automatic brake device for a box wheel to solve the above problems.

Summary of the invention

The present invention is directed to the above-mentioned prior art deficiencies, and the main object thereof is to provide an automatic brake braking device for a box wheel, which receives a braking signal through a main controller, and controls an automatic driving unit to drive the braking mechanism to perform a box wheel. The action of replacing the traditional technology of manual linkage brakes improves the convenience and practicability of the operation, and the operation of the brakes can be more timely, and the safety and reliability are better.

In order to achieve the above object, the present invention adopts the following technical solutions:

A tank wheel automatic brake braking device comprises a main controller, a power supply system, an automatic driving unit and a braking mechanism for the brake box wheel; wherein the main controller is respectively connected to the power supply system and the automatic driving unit The automatic drive unit is coupled to the brake mechanism.

As a preferred solution, the automatic driving unit includes a motor, the main controller is connected with a motor driving circuit, the motor driving circuit is connected to a motor, and the motor is connected to the braking mechanism.

As a preferred solution, the power system includes a USB charging interface, a power charging management circuit, a power supply, a boosting module, and a voltage stabilizing module. The USB charging interface, a power charging management circuit, and a power supply are sequentially connected, and the power supply is respectively connected. Connected to the boosting module and the voltage stabilizing module, the voltage stabilizing module is connected to the main controller, and the boosting module is connected to the automatic driving unit.

As a preferred solution, the brake mechanism includes a brake wire, a brake plate and a torsion spring, the brake plate has a pivot point and a first rotating arm and a second rotating arm at two sides of the pivoting point; The brake wire is connected at one end by a motor, and the other end is connected to the first rotating arm; the second rotating arm is provided with a positioning post for braking the wheel;

In the non-brake state, the torsion spring is in a natural state, and the positioning post does not form a limit on the box wheel; in the braking state, the torsion spring is in a pressed state, and the positioning post forms a limit on the box wheel.

As a preferred solution, the motor has an output shaft with a transmission gear mounted on the output shaft; the other end of the brake wire is connected with a sliding block, and the sliding block is formed with a rack portion, and the transmission gear is meshed with the rack portion.

As a preferred solution, the main controller is connected with a first Bluetooth module, and the main controller controls the automatic driving unit to start and stop according to the first Bluetooth module receiving a signal.

As a preferred solution, the main controller and the first Bluetooth module are integrated into a BLE master chip.

As a preferred solution, the main controller is connected to the first RF transceiver module, and the main controller controls the automatic driving unit to start and stop according to the signal received by the first RF transceiver module.

As a preferred solution, the automatic driving unit includes a main wheel automatic driving unit and a secondary wheel automatic driving unit, and the braking mechanism includes a main wheel braking mechanism for braking the main wheel and a brake secondary wheel. a secondary wheel brake mechanism, the primary wheel automatic drive unit is coupled to the primary wheel brake mechanism, and the secondary wheel automatic drive unit is coupled to the secondary wheel brake mechanism;

The main controller controls the main wheel automatic driving unit and the auxiliary wheel automatic driving unit by being wiredly connected to the main wheel automatic driving unit and the auxiliary wheel automatic driving unit respectively;

Alternatively, the main controller is connected to the main wheel automatic driving unit, and the main wheel automatic driving unit is wirelessly connected to the sub-automatic driving unit to achieve wireless connection control of the main controller to the sub-automatic driving unit.

As a preferred solution, the brake mechanism is also connected with a manual forced brake switch for emergency, and the manual forced brake switch is mechanically coupled to the brake mechanism.

Compared with the prior art, the invention has obvious advantages and beneficial effects. Specifically, it receives the braking signal through the main controller, and controls the automatic driving unit to drive the braking mechanism to brake the box wheel, instead of the traditional technology. The manual linkage brake method improves the convenience and practicability of the operation, and the operation of the brake can be more timely, and the safety and reliability are better; and the box wheel can be braked by combining various control modes such as Bluetooth and RF. The intelligent and automatic remote control of the box wheel brake is realized, and the manual forcible brake switch can be used to avoid the situation that the automatic drive unit is faulty and the brake wheel cannot be braked in time.

DRAWINGS

Figure 1 is a block diagram showing a substantial connection of an embodiment of the present invention;

2 is a detailed connection control block diagram of an embodiment of the present invention;

Figure 3 is a detailed mechanical structural assembly diagram of a representative brake brake device;

Figure 4 is an exploded view of the structure shown in Figure 3;

Figure 5 is a diagram showing the linkage relationship between the motor and the sliding block in the structure shown in Figure 3;

Figure 6 is a structural view showing the application of the brake mechanism to the box wheel in the structure shown in Figure 3.

Description of the reference numerals:

10, the main controller 20, the power system

21, USB charging interface 22, power charging management circuit

23, power supply 24, boost module

25, voltage regulator module 30, the first Bluetooth module

40. The first RF transceiver module 41, the main wheel RF transceiver module

42. Secondary wheel RF receiving module 50. Automatic braking unit

501, brake mechanism 502, automatic drive unit

51. Main wheel automatic braking unit 511, main wheel braking mechanism

52. Secondary wheel automatic braking unit 521, secondary wheel braking mechanism

53, brake line 54, brake plate

541, pivot point 542, first rotating arm

543, second rotating arm 544, positioning column

55, torsion spring 56, motor

57, transmission gear 58, sliding block

581, rack section 60, manual forced brake switch

70. The mobile terminal 71 and the second bluetooth module

80, remote control 81, second RF transceiver module

90, box wheel 91, horizontal axis

911, bearing 912, wheel hub

9121, brake lock groove 9122, ring unlocking groove

913, wheel body 92, wheel frame

93, wheel seat 101, battery box

102, battery cover

Detailed ways

The invention is further described below in conjunction with the drawings and specific embodiments.

Referring to Figures 1 through 6, there are shown specific configurations of various embodiments of the present invention. The box wheel automatic brake braking device comprises a main controller 10, a power supply system 20, a first Bluetooth module 30, a first RF transceiver module 40, an automatic braking unit 50 for a brake box wheel, and a manual for emergency Forcibly brake switch 60, wherein:

As shown in FIG. 1 and FIG. 2, the main controller 10 is connected to a crystal oscillator, and the main controller 10 is respectively connected to the first Bluetooth module 30, the first RF transceiver module 40, and the automatic braking unit 50; The brake unit 50 includes a brake mechanism 501 for the brake wheel and an automatic drive unit 502 for driving the brake mechanism 501. The main controller 10 and the first Bluetooth module 30 are integrally designed as a BLE master chip; The automatic driving unit 502 is connected to the braking mechanism 501. The main controller 10 is electrically connected to the automatic driving unit 502. The manual forced braking switch 60 is mechanically coupled to the braking mechanism 501. The power supply system 20 respectively supplies power. Connected to the main controller 10, the first Bluetooth module 30, the first RF transceiver module 40, and the automatic driving unit 502; in this embodiment, the power system 20 includes a USB charging interface 21, a power charging management circuit 22, and a power supply. The boosting module 24 and the voltage stabilizing module 25, the USB charging interface 21, the power charging management circuit 22, and the power source 23 are sequentially connected, and the power source 23 is respectively connected to the boosting module 24 and the voltage stabilizing module 25, and the stable The pressure module 25 is respectively connected to Said main controller 10, a first RF transceiver module 40, module 24 is connected to the boost the automatic brake unit 50.

In this embodiment, the wheel brake intelligent brake system of the plurality of control modes includes a mobile terminal 70, a remote controller 80, and an automatic brake brake device mounted on the wheel; the remote controller 80 has a second The RF transceiver module 81, the first RF transceiver module 40 and the second RF transceiver module 81 are wirelessly connected to each other; the remote controller 80 may be a handheld mobile remote controller or may be mounted on a cabinet (for example, a drawbar) The remote control button of the handle is used for wirelessly controlling the automatic brake brake device; in theory, a button for controlling the automatic brake brake device can also be directly arranged on the box, and the button can be a wired connection to control the automatic brake. Braking devices are not described in detail herein.

The mobile terminal 70 has a second Bluetooth module 71, and the first Bluetooth module 30 and the second Bluetooth module 71 are wirelessly connected to each other; in a specific design, the box wheel is usually designed with a front wheel and a rear wheel (here, also It may be referred to as a primary wheel or a secondary wheel. Of course, the primary wheel and the secondary wheel are not limited to one-to-one corresponding front and rear wheels; the automatic braking unit 50 includes a primary wheel automatic braking unit 51 and a secondary wheel automatic braking. Unit 52, the main controller 10 is connected to the main wheel automatic braking unit 51 and the secondary wheel automatic braking unit 52, respectively, and the boosting module 24 is connected to the main wheel automatic braking unit 51 and the secondary wheel automatic braking unit 52, respectively; The main wheel automatic braking unit 51 includes a main wheel brake mechanism 511, and the sub wheel automatic braking unit 52 includes a sub wheel brake mechanism 521 for the main wheel brake mechanism 511 and the sub wheel brake mechanism 521, respectively. The manual forced brake switch 60 is separately provided; the main controller 10 can be connected to the main wheel automatic braking unit 51 and the secondary automatic braking unit 52 by wire connection, of course, preferably, the main controller 10 is connected to the main Wheel automatic drive unit, main wheel automatic drive The unit is wirelessly connected to the secondary wheel automatic driving unit to achieve wireless connection control of the primary controller to the secondary automatic driving unit. Specifically, the primary wheel automatic braking unit 51 and the secondary automatic braking unit 52 are respectively provided with a primary wheel. The RF transceiver module 41 and the secondary wheel RF receiver module 42 (which may also be understood to be equivalent to the foregoing first RF transceiver module 40 include a primary wheel RF transceiver module 41 and a secondary wheel RF receiver module 42), and the primary wheel RF transceiver module 41 is connected to the main controller 10, the secondary wheel RF receiving module 42 is connected to the secondary wheel automatic braking unit 52, and the primary wheel RF transceiver module 41 and the secondary wheel RF receiving module 42 are wirelessly connected to each other. The primary wheel RF transceiver module 41 and the secondary wheel RF receiving module 42 are in wireless communication with the second RF transceiver module 81, respectively.

The main controller 10 controls the automatic braking unit 50 to start and stop according to the first Bluetooth module 30 receiving signals or the first RF transceiver module 40 receiving signals; when the main controller 10 receives the second Bluetooth module 71 according to the first Bluetooth module 30 After the brake signal is sent, the main controller 10 controls the main wheel automatic braking unit 51 to start and stop, and the secondary wheel RF receiving module 42 controls the secondary wheel automatic braking unit 52 to start and stop once the primary wheel automatic braking unit 51 or When the secondary wheel automatic braking unit 52 fails, the corresponding manual forced braking switch 60 can be started and stopped; when the primary controller 10 receives the braking signal sent by the second RF transceiver module 81 according to the first RF transceiver module 40, At the same time, after receiving the signal of the second RF transceiver module 81, the secondary wheel RF receiving module 42 controls the secondary wheel automatic braking unit 52 to start and stop, and controls the start and stop situation through the main controller 10 to control the feedback information of the first Bluetooth module 30 to the first The two Bluetooth module 71 allows the user to know the start and stop situation in time. Once the main wheel automatic braking unit 51 or the secondary wheel automatic braking unit 52 fails, the corresponding manual forced braking switch 60 can be started and stopped.

In a specific mechanical design, as shown in FIGS. 3 to 6, the brake mechanism 501 includes a brake wire 53, a brake plate 54, and a torsion spring 55; the wheel 90 is mounted on a horizontal axis 91, the horizontal axis 91 is mounted on a wheel frame 92 mounted on the wheel base 93, and the brake wire 53 passes through the wheel base 93. The wheel 90 has a hub 912 fixed to the horizontal shaft 91 via a bearing 911 and The wheel body 913 fixed to the hub 912 has a plurality of brake lock grooves 9121 disposed along the circumferential distance of the horizontal axis 91 of the hub 912, and an annular unlocking groove is disposed on the periphery of the corresponding brake lock groove 9121 of the hub 912. 9122 (here, by providing a gear having an outer diameter smaller than the outer diameter of the hub 912 on the hub 912, the brake lock groove 9121 forms an outer peripheral side edge of the gear, and the hub 912 has an inner frame portion and an outer ring portion, and the gear is formed therein. One side of the frame portion, such that the gear extends in the direction in which the horizontal axis 91 extends above the side of the inner frame portion, such that the outer region of the inner frame portion corresponds to the outer periphery of the gear as the annular unlocking groove 9122;

The brake plate 54 has a pivot point 541 and a first rotating arm 542 and a second rotating arm 543 at two sides of the pivoting point 541. The torsion spring 55 is disposed at a pivot point 541. The automatic driving unit 502 includes a motor. 56, one end of the brake wire 53 is driven and connected by the motor 56, the other end is connected to the first rotating arm 542; the second rotating arm 543 is provided with a positioning post 544 for braking the wheel; in the non-brake state, The torsion spring 55 is in a natural state, and the positioning post 544 is located in the annular unlocking groove 9122, and does not form a limit on the box wheel; in the braking state, the torsion spring 55 is in a pressed state, and the positioning post 544 Located in a certain brake lock groove 9121 to form a limit on the box wheel 90;

In this embodiment, the automatic driving unit 502 includes a motor 56, the main controller 10 is connected to a motor driving circuit, the motor driving circuit is connected to the motor 56, and the motor 56 is connected to the braking mechanism 501; The motor 56 has an output shaft with a transmission gear 57 mounted on the output shaft; the other end of the brake wire 53 is connected with a sliding block 58 on which a rack portion 581 is formed, and the transmission gear 57 is meshed with the tooth On the strip 581, the displacement of the slide block 58, the brake wire 53, and the rotation of the brake plate 54 are driven by the driving of the motor 56, thereby realizing the control of the brake plate 54 to position the positioning post 544 in the brake lock groove 9121. Or the annular unlocking groove 9122 forms a brake lock or unlock to the tank wheel 90.

The motor 56 is mounted in the battery case 101, and different compartments are partitioned in the battery case 101 for respectively installing the power source 23, the control board, the positioning motor 56, the transmission gear 57, the sliding block 58, and the like. The brake wire 53 extends into the battery case 101 to be coupled to the slider block 58. The battery case 101 is provided with a battery cover 102 so as to be integrally formed for easy installation on the case.

The main point of the design of the present invention is that the main controller receives the brake signal, and controls the automatic driving unit to drive the brake mechanism to brake the box wheel, replacing the traditional manual linkage brake method, thereby improving the operation convenience and Practicality, the brake operation can be more timely, safer and more reliable; and the combination of Bluetooth, RF and other control modes can be used to brake the box wheel, and the box wheel brake is intelligent and automated. Remote control, you can also use the manual forced brake switch to avoid the failure of the automatic drive unit to cause the brake wheel to be braked in time.

The above is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes, and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still Within the scope of the technical solution of the present invention.

Claims

An automatic brake braking device for a box wheel, comprising: a main controller, a power supply system, an automatic driving unit and a braking mechanism for the brake box wheel; wherein the main controller is respectively connected to the power supply A system, an automatic drive unit, the automatic drive unit being coupled to the brake mechanism.
The automatic brake device for a box wheel according to claim 1, wherein the automatic driving unit comprises a motor, the main controller is connected with a motor driving circuit, and the motor driving circuit is connected to the motor. The motor is coupled to a brake mechanism.
The automatic brake device for a box wheel according to claim 1, wherein the power supply system comprises a USB charging interface, a power charging management circuit, a power supply, a boosting module, a voltage stabilizing module, and the USB The charging interface, the power charging management circuit, and the power supply are sequentially connected, and the power source is respectively connected to the boosting module and the voltage stabilizing module, wherein the voltage stabilizing module is connected to the main controller, and the boosting module is connected to the automatic driving unit.
The automatic brake device for a box wheel according to claim 2, wherein the brake mechanism comprises a brake wire, a brake plate and a torsion spring, wherein the brake plate has a pivot point and is located at both sides of the pivot point a first rotating arm and a second rotating arm; the torsion spring is mounted at a pivot point; one end of the brake wire is driven by the motor, and the other end is connected to the first rotating arm; and the second rotating arm is provided with a brake box Positioning column of the wheel;

In the non-brake state, the torsion spring is in a natural state, and the positioning post does not form a limit on the box wheel; in the braking state, the torsion spring is in a pressed state, and the positioning post forms a limit on the box wheel.
The automatic brake device for a box wheel according to claim 4, wherein the motor has an output shaft, and a transmission gear is mounted on the output shaft; the other end of the brake wire is connected with a sliding block, a sliding block A rack portion is formed thereon, and the transmission gear meshes with the rack portion.
The automatic brake device for a box wheel according to claim 1, wherein the main controller is connected with a first Bluetooth module, and the main controller controls the automatic driving according to the signal received by the first Bluetooth module. The unit starts and stops.
The automatic brake device for a box wheel according to claim 6, wherein the main controller and the first Bluetooth module are integrated into a BLE main control chip.
The automatic brake device for a box wheel according to claim 1, wherein the main controller is connected to a first RF transceiver module, and the main controller receives signals according to the first RF transceiver module. Control the automatic drive unit to start and stop.
An automatic brake brake device for a wheeled wheel according to claim 1, wherein said automatic drive unit comprises a primary wheel automatic drive unit and a secondary wheel automatic drive unit, said brake mechanism comprising brakes a primary wheel brake mechanism of the primary wheel and a secondary wheel brake mechanism for the brake secondary wheel, the primary wheel automatic drive unit being coupled to the primary wheel brake mechanism, the secondary wheel automatic drive unit being coupled to the secondary wheel brake mechanism;

The main controller controls the main wheel automatic driving unit and the auxiliary wheel automatic driving unit by being wiredly connected to the main wheel automatic driving unit and the auxiliary wheel automatic driving unit respectively;

Alternatively, the main controller is connected to the main wheel automatic driving unit, and the main wheel automatic driving unit is wirelessly connected to the sub-automatic driving unit to achieve wireless connection control of the main controller to the sub-automatic driving unit.
The automatic brake device for a box wheel according to claim 1, wherein the brake mechanism is further connected with a manual forced brake switch for emergency, and the manual forced brake switch is mechanically coupled. Moving agencies.