CN211354198U - Draw-bar box pull rod automatic regulating apparatus - Google Patents
Draw-bar box pull rod automatic regulating apparatus Download PDFInfo
- Publication number
- CN211354198U CN211354198U CN202020180834.6U CN202020180834U CN211354198U CN 211354198 U CN211354198 U CN 211354198U CN 202020180834 U CN202020180834 U CN 202020180834U CN 211354198 U CN211354198 U CN 211354198U
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- pull rod
- draw
- module
- driving
- box
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- 230000001105 regulatory effect Effects 0.000 title claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052742 iron Inorganic materials 0.000 claims abstract description 24
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic adjusting device for a draw-bar box draw bar, which comprises a box body and a telescopic draw bar arranged on the back of the box body, and also comprises a hardware module for driving the telescopic draw bar to lift and lock and a software module for controlling the telescopic draw bar to lift; the hardware module comprises an iron rack which is sleeved in the telescopic pull rod and can synchronously lift along with the telescopic pull rod, a driving device which is arranged on one side of the telescopic pull rod and used for driving the iron rack to lift, and an electromagnetic lock which is arranged on one side of the telescopic pull rod and matched with the iron rack; software module is including setting up at the position response module on scalable pull rod top, setting at the inside MCU unit and the electric power storage module of box, drive arrangement, electromagnetic lock, position response module and electric power storage module all with MCU unit electric connection, the utility model discloses can highly realize the automatic rising of scalable pull rod according to human arm, facilitate for people's daily trip.
Description
Technical Field
The utility model relates to a technical field is adjusted to the draw-bar box, concretely relates to draw-bar box pull rod automatic regulating apparatus.
Background
A trolley case refers to a luggage case having a trolley and rollers. It is widely used because of its convenient use. Meanwhile, the draw-bar box is also provided with a draw bar which is divided into a single-tube draw bar and a double-tube draw bar, and the tube of the draw bar is divided into a square tube and a round tube, so that the draw-bar box is convenient to drag when walking, and the burden is greatly reduced. Along with the progress of scientific and technological, intelligent technology is applied to in the draw-bar box gradually, facilitates for people's daily trip, has brought brand-new experience.
The flexible function of draw-bar box pull rod is in order to adapt to different height users 'demand, but current partial draw-bar box, because the height is low excessively if the passenger box, bow the pull rod and more difficultly, greatly restricted user's experience effect. Therefore, the draw-bar box with the draw-bar automatic popping function has wide market prospect.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a draw-bar box pull rod automatic regulating apparatus to solve the above-mentioned defect among the prior art.
The automatic adjusting device for the draw bar of the draw-bar box comprises a box body, a telescopic draw bar arranged on the back of the box body, a driving assembly used for driving the telescopic draw bar to lift and lock and a control system used for controlling the telescopic draw bar to lift; the driving assembly comprises an iron rack which is sleeved in the telescopic pull rod and can synchronously lift along with the telescopic pull rod, a driving device which is arranged on one side of the telescopic pull rod and used for driving the iron rack to lift, and an electromagnetic lock which is arranged on one side of the telescopic pull rod and matched with the iron rack;
the control system comprises a position sensing module arranged at the top end of the telescopic pull rod, an MCU unit arranged in the box body and an electric power storage module, and the driving device, the electromagnetic lock, the position sensing module and the electric power storage module are electrically connected with the MCU unit.
Preferably, the driving device comprises a stepping motor and a driving module connected with the stepping motor, and the driving module is electrically connected with the MCU unit; the output shaft of the stepping motor is sleeved with a gear, and the gear is meshed with the insections of the iron rack.
Preferably, the telescopic pull rod comprises a fixed rod fixedly mounted on the back side of the box body and a movable rod movably sleeved in the fixed rod, and the iron rack is fixedly mounted on the movable rod.
Preferably, the position sensing module comprises a human body infrared sensor for sensing the approach of a life body, an inclination angle sensor for sensing the placing state of the box body, a distance sensor for sensing the height of an arm of a user and a pressure sensor for sensing the pressure on the top end of the telescopic pull rod.
Preferably, the control system further comprises an input module and a display module which are arranged at the top end of the telescopic pull rod, and the input module and the display module are electrically connected with the MCU.
The utility model has the advantages of as follows:
the utility model discloses utilize the state of position induction module response box and the height at human arm apart from scalable pull rod top, by the scalable pull rod of MCU unit analysis back instruction drive module drive lift and locking braking, can make the draw-bar box realize the altitude mixture control of scalable pull rod according to the high automation of human arm, facilitate for the trip crowd.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of a partial perspective structure of the present invention;
fig. 4 is a detailed structure diagram of a in fig. 3 according to the present invention;
fig. 5 is a system block diagram of the control system of the present invention;
fig. 6 is a top schematic view of the retractable drawbar of the present invention;
fig. 7 is a schematic view of a connection structure between the driving device, the MCU unit and the distance sensing module according to the present invention;
fig. 8 is a control connection diagram of the electromagnetic lock of the present invention.
In the figure:
1-a box body; 2-a telescopic pull rod; 201-fixing rod; 202-a travel bar; 3-an iron rack; 4-a stepper motor; 5, an electromagnetic lock; 6-distance sensing module; 7-MCU unit; 8-an electric storage module; 9-gear; 10-an input module; 11-a display module; 12-a drive module;
601-a tilt angle sensor; 602-a distance sensor; 603-pressure sensor.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 8, the utility model provides a draw-bar box pull rod automatic regulating apparatus, it can be according to user's high automatically regulated draw-bar box's scalable pull rod height, provides convenience for people daily trip. Specifically, the method comprises the following steps:
the automatic adjusting device conventionally comprises a box body 1 and a telescopic pull rod 2 arranged on the back surface of the box body 1. In order to realize the function of automatically adjusting the height of the telescopic pull rod 2. The device also comprises a driving component for driving the telescopic pull rod 2 to lift and lock and a control system for controlling the telescopic pull rod 2 to lift.
Wherein, drive assembly includes the suit and is in2 inside iron racks 3, the setting that can go up and down along with 2 synchronous lifts of scalable pull rod are in2 one side of scalable pull rod is used for the drive arrangement of 3 lifts of iron racks, set up in2 one sides of scalable pull rod with the electromagnetic lock 5 of 3 mutual cooperations of iron racks.
Furthermore, the telescopic pull rod 2 comprises a fixed rod 201 fixedly installed on the back side of the box body 1 and a movable rod 202 movably sleeved in the fixed rod 201, and the iron rack 3 is fixedly installed on the movable rod 202. When the driving device drives the iron rack 3 to ascend and descend, the movable rod 202 can ascend and descend along the fixed rod 201 along with the iron rack 3 synchronously.
Preferably, the driving device comprises a stepping motor 4 with sensitive response and rapid work and a driving module 12 connected with the stepping motor 4, and the driving module 12 is electrically connected with the MCU 7 described below; the output shaft of the stepping motor 4 is sleeved with a gear 9, and the gear 9 is meshed with the insections of the iron rack 3.
Wherein, control system is in including setting up position sensing module 6, the setting on 2 tops of scalable pull rod are in MCU unit 7 and the electric power storage module 8 of box 1 inside, drive arrangement, electromagnetic lock 5, position sensing module 6 and electric power storage module 8 all with MCU unit 7 electric connection, control system is still including setting up input module 10 and display module 11 on 2 tops of scalable pull rod, input module 10 and display module 11 all with MCU unit 7 electric connection.
The position sensing module 6 includes a human body infrared sensor (not shown in the figure) for sensing the approach of a living body, an inclination angle sensor 601 for sensing the placing state of the box body 1, a distance sensor 602 for sensing the height of the arm of a user, and a pressure sensor 603 for sensing the pressure on the top end of the telescopic rod 2.
Here, the tilt angle sensor 601 is a model number GY-25;
the distance sensor 602 adopts an ultrasonic distance sensor with the model number of HC-sr04, can measure the distance of an object within 2-450cm and the working current of 2ma, and is communicated with the MCU unit 7 through a serial port; and the pressure sensor 603 is preferably installed at a sidewall of the extensible tension rod 2.
The distance sensor 602 may be coupled with a human infrared sensor to determine that the human body and other objects reaching the specified height range of the telescopic rod 2 are human organisms.
A pressure sensor 603 model PT124G-111 was selected.
The MCU unit 7 adopts a main control chip of stm32f103c8t6, and is connected with the tilt angle sensor 601 by a mpu6050 chip.
The display module 11 is used for displaying basic information of the draw-bar box interacted with the MCU unit 7. For example, the box 1 is placed, and the user's arm is at a height from the top of the retractable bar 2.
The input module 10 is used for presetting preset basic information controlled by the MCU unit 7.
The power storage module 8 supplies electric power to the respective circuit elements.
As shown in fig. 7, the sensing module 6 and the MCU unit 7 are electrically connected by an iic bus, and the MCU unit 7 is connected to in1, in2 and ENA ports of the driving module 12 through 3 io ports; the driving module 12 is electrically connected with the stepping motor 4 by R, S, T three wires. Furthermore, the utility model discloses well step motor 4 models do: 42EBP59 ALC-TFA.
As shown in figure 8, the universal port of the MCU unit 7 is electrically connected with a CON port of the relay, the CON port is set to be at a low level, the electromagnetic lock 5 pops up and locks the iron rack 3, and the model of the relay is HF3FF/JQC-3 FF.
The utility model discloses an automatic regulating apparatus's theory of operation as follows:
when the inclination angle sensor 601 senses that the box body 1 is in a righting and placing state, and after the MCU unit 7 analyzes that a person needs to pull the telescopic pull rod 2 through the distance sensor 602 and the feedback data of the human body infrared sensor, the MCU unit 7 instructs the driving module 12 to drive the stepping motor 4 to rotate and drive the iron rack 3 meshed with the gear 9 on the stepping motor to lift, and therefore the automatic lifting of the telescopic pull rod 2 is achieved.
When the distance sensor 602 senses that the telescopic pull rod 2 rises to the arm height (namely, the arm contacts the telescopic pull rod 2, and the sensing value of the distance sensor 602 is close to zero), the MCU unit 7 instructs the driving module 12 to stop working, and energizes the electromagnetic lock 5, so that the electromagnetic lock 5 and the side wall of the iron rack 3 are attracted to each other, and the position of the telescopic pull rod 2 is fixed; when the arm is taken away from the telescopic rod 2 (i.e. the pressure sensor 603 does not sense the pressure of the arm on the telescopic rod 2), the MCU unit 7 instructs the electromagnetic lock 5 to stop working when the power is off, and the non-fixed telescopic rod 2 will return to the initial position.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a draw-bar box pull rod automatic regulating apparatus, is in including box (1) and setting scalable pull rod (2) at box (1) back, its characterized in that: the device also comprises a driving component for driving the telescopic pull rod (2) to lift and lock and a control system for controlling the telescopic pull rod (2) to lift; the driving assembly comprises an iron rack (3) which is sleeved in the telescopic pull rod (2) and can synchronously lift along with the telescopic pull rod (2), a driving device which is arranged on one side of the telescopic pull rod (2) and used for driving the iron rack (3) to lift, and an electromagnetic lock (5) which is arranged on one side of the telescopic pull rod (2) and matched with the iron rack (3);
the control system comprises a position sensing module (6) arranged at the top end of the telescopic pull rod (2), an MCU unit (7) and an electric power storage module (8) arranged inside the box body (1), and the driving device, the electromagnetic lock (5), the position sensing module (6) and the electric power storage module (8) are all electrically connected with the MCU unit (7).
2. The draw-bar box draw-bar automatic adjusting device of claim 1, characterized in that: the driving device comprises a stepping motor (4) and a driving module (12) connected with the stepping motor (4), and the driving module (12) is electrically connected with the MCU (7); the output shaft of the stepping motor (4) is sleeved with a gear (9), and the gear (9) is meshed with the insections of the iron rack (3).
3. The draw-bar box draw-bar automatic adjusting device of claim 1, characterized in that: scalable pull rod (2) including fixed mounting be in box (1) dorsal dead lever (201) and activity suit are in carriage release lever (202) in dead lever (201), iron rack (3) fixed mounting be in on carriage release lever (202).
4. The draw-bar box draw-bar automatic adjusting device of claim 1, characterized in that: the position sensing module (6) comprises a human body infrared sensor for sensing the approach of a life body, an inclination angle sensor (601) for sensing the placing state of the box body (1), a distance sensor (602) for sensing the height of an arm of a user and a pressure sensor (603) for sensing the pressure on the top end of the telescopic pull rod (2).
5. The draw-bar box draw-bar automatic adjusting device of claim 1, characterized in that: the control system further comprises an input module (10) and a display module (11) which are arranged at the top end of the telescopic pull rod (2), and the input module (10) and the display module (11) are electrically connected with the MCU unit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020180834.6U CN211354198U (en) | 2020-02-18 | 2020-02-18 | Draw-bar box pull rod automatic regulating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020180834.6U CN211354198U (en) | 2020-02-18 | 2020-02-18 | Draw-bar box pull rod automatic regulating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211354198U true CN211354198U (en) | 2020-08-28 |
Family
ID=72159831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020180834.6U Expired - Fee Related CN211354198U (en) | 2020-02-18 | 2020-02-18 | Draw-bar box pull rod automatic regulating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211354198U (en) |
-
2020
- 2020-02-18 CN CN202020180834.6U patent/CN211354198U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |