CN207311548U - A kind of power-assisted children trolley - Google Patents
A kind of power-assisted children trolley Download PDFInfo
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- CN207311548U CN207311548U CN201721266415.9U CN201721266415U CN207311548U CN 207311548 U CN207311548 U CN 207311548U CN 201721266415 U CN201721266415 U CN 201721266415U CN 207311548 U CN207311548 U CN 207311548U
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- children trolley
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- sensor
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a kind of power-assisted children trolley, including stroller frame, vehicle wheel component, for providing the force aid system of power-assisted, force aid system is included in the sensor for gathering resistance suffered by power-assisted children trolley when power-assisted children trolley is advanced, controller, for the motor for driving vehicle wheel component to rotate, sensor and motor are electrically connected with the controller respectively, stroller frame includes the wheel connector of installing wheel component, motor includes the motor shaft extended in left-right direction, motor shaft is connected with wheel connector by axis pin, motor shaft opposite can take turns connector and produce displacement in the longitudinal direction, sensor is respectively equipped with the wheel connector of the front and back of motor shaft, when producing displacement before and after motor shaft, motor shaft contradicts sensor, sensor sends a signal to controller, controller controls the start-stop of motor.In the resistance larger pavement usage power-assisted children trolley, burden when can mitigate user's implementation or draw row children trolley is time saving and energy saving.
Description
Technical field
It the utility model is related to articles for children technical field, and in particular to a kind of power-assisted children trolley.
Background technology
Children trolley carries less children's progress outdoor activities for people and provides a great convenience, when children trolley pushes away
Capable road gradient it is larger or by meadow, gravel road when the larger ground of resistance, just need the thrust of bigger to go to push away at this time
Row children trolley, and the simple strength by people carries out children trolley, it is laborious and to carry out speed slow.
The content of the invention
The purpose of this utility model is to be directed to deficiency of the prior art, there is provided a kind of power-assisted children trolley, being capable of basis
The pavement behavior used of power-assisted children trolley applies power-assisted, so that the user-friendly power-assisted children trolley.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of power-assisted children trolley, including stroller frame, be arranged on the stroller frame bottom vehicle wheel component, it is described
Power-assisted children trolley further includes the force aid system carried out for the power-assisted children trolley or power-assisted is provided when drawing row, the power-assisted system
System is included in when the power-assisted children trolley is advanced for gathering the sensor of resistance suffered by the power-assisted children trolley, control
Device, the motor for driving the vehicle wheel component to rotate, the sensor and the motor are electrically connected with the controller respectively,
The stroller frame includes being used for the wheel connector for installing the vehicle wheel component, and the motor includes motor shaft, the motor shaft edge
Left and right directions extends, and the motor shaft is connected with the wheel connector by axis pin, and the motor shaft being capable of relatively described wheel connector
Displacement is produced in the longitudinal direction, and the biography is respectively arranged with the wheel connector of the front and back of the motor shaft
Sensor, when the motor shaft produces displacement forward or backward, the motor shaft contradicts the sensor, and the sensor is sent
Signal controls the start-stop of the motor to controller, the controller.
Preferably, when the children trolley is advanced by thrust, the motor shaft is contradicted positioned at the motor shaft rear
The sensor on, when the children trolley tension Lixing into when, the motor shaft is contradicted in front of the motor shaft
The sensor on.
Preferably, when the children trolley transfixion, the motor shaft between the front and rear sensor, and
Do not contacted with the front and rear sensor.
Preferably, a reference value of pressure is equipped with the controller, when the measured sensor data is more than the benchmark
During value, the controller controls the motor to rotate to drive the vehicle wheel component to rotate, when the measured sensor data is small
When a reference value, the controller controls the motor stalls.
Preferably, the axis pin is vertically extending, and the wheel connector is equipped with the hole for being used for wearing the motor shaft,
The section in the hole is the waist-shaped hole extended along the longitudinal direction, and the motor shaft is threaded through in the waist-shaped hole and by the pin
Axis is connected with the wheel connector.
Preferably, the amplitude that the relatively described wheel connector of the motor shaft moves forwards or backwards is no more than 2 degree.
Preferably, the vehicle wheel component includes being located at the front component of the bottom front portion of the stroller frame and is pushed away positioned at described
The wheel assembly at the bottom rear portion of vehicle carriage, the front component are universal wheel, and the motor is arranged on the wheel assembly.
Further, the wheel assembly is located at the left and right sides of the stroller frame respectively, and the motor is set respectively
On the wheel assembly of the left and right sides.
Preferably, the motor shaft of the motor and the wheel shaft of the vehicle wheel component are coaxially disposed.
Preferably, the sensor is thin-film pressure sensor.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：This practicality is new
The power-assisted children trolley of type is simple in structure, makes on the larger road surface of the gradient or on the larger road surface of the resistances such as meadow, gravel road
During with the power-assisted children trolley, by setting force aid system on common children trolley, user can be mitigated and carry out or draw row
Burden during children trolley, it is time saving and energy saving.
Brief description of the drawings
Attached drawing 1 is the stereogram of the power-assisted children trolley of the utility model（Remove the wheel assembly of side）；
Attached drawing 2 is the side view of the power-assisted children trolley of the utility model（Remove the wheel assembly of side）；
Attached drawing 3 is the structure diagram at the rear portion of the power-assisted children trolley of the utility model（Enlarged drawing）；
Attached drawing 4 is the exploded view at the wheel assembly position of the power-assisted children trolley of the utility model（Enlarged drawing）；
Attached drawing 5 is the structure diagram of the trailing wheel connector of the utility model（Enlarged drawing）；
The structure diagram that attached drawing 6 is combined for the motor of the utility model with wheel assembly（Enlarged drawing）.
Embodiment
The technical solution of the utility model is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1 ~ Fig. 4, the power-assisted children trolley of the utility model includes stroller frame 1, is arranged on cart vehicle carriage 1
Bottom vehicle wheel component, to carry out or while drawing row power-assisted children trolley provides the force aid system of power-assisted.
Stroller frame 1 includes the wheel connector 11 for installing wheel component.
Force aid system is included in the sensor for gathering resistance suffered by power-assisted children trolley when power-assisted children trolley is advanced
31st, controller 32, the motor 33 for driving vehicle wheel component to rotate, sensor 31 and motor 33 are electrically connected with controller 32 respectively
Connect.In the present embodiment, sensor 31 uses thin-film pressure sensor.The a reference value of pressure is provided with controller 32, works as biography
When the test data of sensor 31 is more than a reference value, controller 32 controls motor 33 to rotate to drive vehicle wheel component to rotate as power-assisted youngster
The implementation of virgin cart draws row to provide power-assisted；When the test data of sensor 31 is less than a reference value, controller 32 controls motor
33 stop operating, which can easily carry out without power-assisted or draw row.
Motor 33 is arranged on vehicle wheel component, and motor 33 is rotationally set including motor casing 331 and opposite motor casing 331
Motor shaft 332, motor shaft 332 extend in left-right direction.Vehicle wheel component includes wheel shaft, the wheel hub being set on wheel shaft and is arranged on
Wheel rim on wheel hub, wheel hub and wheel rim are relatively fixed, and the two can be rotated relative to wheel shaft.Motor casing 331 is fixed at wheel hub
On, in the present embodiment, motor shaft 332 is fixedly connected with wheel shaft and the two is coaxially disposed, as shown in Figure 6.
Motor shaft 332 is connected with wheel connector 11 by axis pin 4, and motor shaft 332 opposite can take turns connector 11 in anteroposterior direction
On be subjected to displacement, the amplitude that the opposite wheel connector 11 of motor shaft 332 moves forwards or backwards is no more than 2 degree, positioned at motor shaft 332
Front and back wheel connector 11 on be both provided with sensor 31, as shown in Figure 1 and Figure 4, in this way, when motor shaft 332 it is opposite
When wheel connector 11 is subjected to displacement forward or backward, motor shaft 332 will be contradicted on sensor 31, so that pressure signal is produced,
Sensor 31 just sends a signal to controller 32, and controller 32 controls the start-stop of motor 33 according to the pressure signal immediately.
It is preferred that sensor 31 is separately positioned on the wheel connector 11 in the front of motor shaft 332 and dead astern.
In the present embodiment, axis pin 4 is vertically extending, and the hole for being used for wearing motor shaft 332 is equipped with wheel connector 11,
The section in the hole is the hole waist-shaped hole 111 extended along the longitudinal direction, and as shown in Figure 4 and Figure 5, motor shaft 332 is threaded through the waist type
It is connected in hole 111 and by axis pin 4 with wheel connector 11, when user carries out or draws the row power-assisted children trolley to bring it about displacement
When, motor shaft 332 can be subjected to displacement forward or backward in the waist-shaped hole 111.
Vehicle wheel component includes the front component 21 for being arranged on the bottom front portion of stroller frame 1 and the bottom for being arranged on stroller frame 1
The wheel assembly 22 at rear portion, in the present embodiment, front component 21 is universal wheel, and motor 33 is arranged on wheel assembly 22, front-wheel
Component 21 and wheel assembly 22 include above-mentioned wheel shaft, wheel hub and wheel rim.
Wheel assembly 22 is separately positioned on the left and right sides of stroller frame 1, to prevent power-assisted children trolley in force aid system
Under the action of sideslip when carrying out or drawing row, be both provided with motor 33 on the wheel assembly 22 of the left and right sides.
Stroller frame 1 further include for front component 21 is installed fore-stock 12, the rear branch for installing wheel assembly 22
Frame 13 and the push rod 14 for carrying out or drawing the row power-assisted children trolley, above-mentioned wheel connector 11 are separately positioned on after-poppet 13
Lower part, after-poppet 13 are separately positioned on the left and right sides of stroller frame 1, stroller frame 1 further include both ends respectively with both sides
The connecting rod 15 that 13 phase of after-poppet is fixedly connected, controller 32 are arranged on connecting rod 15, and force aid system further includes power supply, power supply
Power supply is connected with sensor 31, controller 32 and motor 33 respectively, for supplying power for.In the present embodiment, power supply uses
Storage battery, it is arranged on connecting rod 15.
The power-assisted children trolley is in use, when user's hand is pressed on push rod 14, but user is acted on push rod 14
When power is insufficient to allow the power-assisted children trolley to be subjected to displacement, motor shaft 332 between front and rear sensor 31, and with front and rear biography
Sensor 31 does not contact, i.e., sensor 31 does not produce pressure, does not just send a signal to controller 32, and motor 33, which is in, stops shape
State.
When user carry out the power-assisted children trolley by meadow, sandstone when resistance larger road surface when, motor shaft 332 to
Movement, which is subjected to displacement, afterwards makes motor shaft 332 contradict on the sensor 31 positioned at 332 rear of motor shaft, after motor shaft 332
The sensor 31 of side produces pressure signal after being pressurized, and sends the signal to controller 32, when the pressure that sensor 31 is tested
When value reaches a reference value set in controller 32, controller 32, which just sends a signal to motor 33, makes it turn with certain speed
It is dynamic, so as to drive vehicle wheel component to rotate, in this way, the force aid system just carries out the power-assisted children trolley for user and provides to help
Power, the power-assisted children trolley under the collective effect of force aid system and user move ahead, make user carry out children trolley when very
Easily.When user carries out the power-assisted children trolley, from the larger road surface of the resistances such as meadow, sandstone to reach flat resistance smaller
Road surface when, the displacement that motor shaft 332 moves generation backward is gradually reduced so that the sensor positioned at 332 rear of motor shaft
The pressure value of 31 tests is gradually reduced, and when pressure value is less than a reference value, controller 32 controls motor 33 out of service, the power-assisted
Children trolley only also can easily be carried out under user's independent role.
When user draw row the power-assisted children trolley by meadow, sandstone when resistance larger road surface when, motor shaft 332 to
Preceding movement, which is subjected to displacement, makes motor shaft 332 contradict on the sensor 31 positioned at the front of motor shaft 332, before motor shaft 332
The sensor 31 of side produces pressure signal after being pressurized, and sends the signal to controller 32, when the pressure that sensor 31 is tested
When value reaches a reference value set in controller 32, controller 32, which just sends a signal to motor 33, makes it turn with certain speed
It is dynamic, so as to drive vehicle wheel component to rotate, helped in this way, the force aid system just draws the row power-assisted children trolley to provide for user
Power, the power-assisted children trolley under the collective effect of force aid system and user move ahead, make user draw row children trolley when very
Easily.When user draws the row power-assisted children trolley smaller from the flat resistance of the larger road surface arrival of the resistances such as meadow, sandstone
Road surface when, the travel forward displacement of generation of motor shaft 332 is gradually reduced so that the sensor positioned at the front of motor shaft 332
The pressure value of 31 tests is gradually reduced, and when pressure value is less than a reference value, controller 32 controls motor 33 out of service, the power-assisted
Children trolley only also can easily draw row under user's independent role.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of power-assisted children trolley, including stroller frame, be arranged on the stroller frame bottom vehicle wheel component, its feature
It is：The power-assisted children trolley further includes the force aid system carried out for the power-assisted children trolley or power-assisted is provided when drawing row,
The force aid system is included in the biography for gathering resistance suffered by the power-assisted children trolley when power-assisted children trolley is advanced
Sensor, controller, the motor for driving the vehicle wheel component to rotate, the sensor and the motor respectively with the control
Device is electrically connected, and the stroller frame includes being used for the wheel connector for installing the vehicle wheel component, and the motor includes motor shaft, described
Motor shaft extends in left-right direction, and the motor shaft is connected with the wheel connector by axis pin, and the motor shaft can be with respect to institute
State wheel connector and produce displacement in the longitudinal direction, set respectively on the wheel connector of the front and back of the motor shaft
There is the sensor, the motor shaft contradicts the sensor, the biography when the motor shaft produces displacement forward or backward
Sensor sends a signal to controller, and the controller controls the start-stop of the motor.
2. power-assisted children trolley according to claim 1, it is characterised in that：When the children trolley is advanced by thrust,
The motor shaft is contradicted on the sensor positioned at the motor shaft rear, when the children trolley tension Lixing into when,
The motor shaft is contradicted on the sensor in front of the motor shaft.
3. power-assisted children trolley according to claim 1, it is characterised in that：When the children trolley transfixion, institute
Motor shaft is stated between the front and rear sensor, and do not contact with the front and rear sensor.
4. the power-assisted children trolley according to any one of claim 1 ~ 3, it is characterised in that：Pressure is equipped with the controller
The a reference value of power, when the measured sensor data is more than a reference value, the controller control the motor to rotate with
The vehicle wheel component is driven to rotate, when the measured sensor data is less than a reference value, described in the controller control
Motor stalls.
5. power-assisted children trolley according to claim 1, it is characterised in that：The axis pin is vertically extending, described
Wheel connector is equipped with the hole for being used for wearing the motor shaft, and the section in the hole is the waist-shaped hole extended along the longitudinal direction, described
Motor shaft is threaded through in the waist-shaped hole and is connected by the axis pin with the wheel connector.
6. power-assisted children trolley according to claim 1, it is characterised in that：The relatively described wheel connector of the motor shaft is forward
Or the amplitude moved backward is no more than 2 degree.
7. power-assisted children trolley according to claim 1, it is characterised in that：The vehicle wheel component includes being located at the cart
The front component and the wheel assembly positioned at the bottom rear portion of the stroller frame of the bottom front portion of vehicle frame, the front component are universal
Wheel, the motor are arranged on the wheel assembly.
8. power-assisted children trolley according to claim 7, it is characterised in that：The wheel assembly is located at the cart respectively
The left and right sides of vehicle frame, the motor are separately positioned on the wheel assembly of the left and right sides.
9. power-assisted children trolley according to claim 1, it is characterised in that：The motor shaft of the motor and the wheel group
The wheel shaft of part is coaxially disposed.
10. power-assisted children trolley according to claim 1, it is characterised in that：The sensor senses for diaphragm pressure
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266415.9U CN207311548U (en) | 2017-09-29 | 2017-09-29 | A kind of power-assisted children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266415.9U CN207311548U (en) | 2017-09-29 | 2017-09-29 | A kind of power-assisted children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207311548U true CN207311548U (en) | 2018-05-04 |
Family
ID=62428680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721266415.9U Active CN207311548U (en) | 2017-09-29 | 2017-09-29 | A kind of power-assisted children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207311548U (en) |
-
2017
- 2017-09-29 CN CN201721266415.9U patent/CN207311548U/en active Active
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| GR01 | Patent grant | ||
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