Child vehicle having travelled distance display function

Abstract

A child vehicle having a travelled distance display function, the child vehicle comprising: a frame, a rotating wheel rotationally arranged on the frame, and a control portion configured to control the direction of the child vehicle, wherein a magnet (1) is embedded in the rotating wheel, a mounting groove (2) is provided in the frame, a sensor (3) for sensing a change in the magnetic field of the magnet (1) is provided in the mounting groove (2), and a display (4) electrically connected to the sensor (3) is provided on the frame or the control portion. The child vehicle has a travelled distance display function, so that the distance travelled by a child using the child vehicle can be obtained, making it convenient for parents to monitor the amount of exercise of the child.

Description

A baby carriage capable of displaying travel distance Technical Field

[0001] The utility model belongs to the technical field of baby carriages, in particular to a baby carriage capable of displaying travel distance. Background Art

[0002] A children's car is a kind of tool car for children to play with, including scooters, twisting cars, electric toy cars, children's walkers, children's tricycles, etc.

[0003] Chinese utility model patent CN212605612U discloses a multifunctional twisting car, which includes a car body, a front wheel assembly and a rear wheel assembly installed at the bottom of the car body, a steering wheel provided at the front of the car body, the steering wheel is connected to the upper end of the torsion rod, the lower end of the torsion rod passes through the car body and is connected to the front wheel assembly, upwardly protruding guard arms are provided on both sides of the rear of the car body, and a groove for kneeling use is formed between the guard arms, the groove is arranged horizontally along the car body, and soft pads are provided on the groove and the middle part of the car body.

[0004] Chinese utility model patent CN214397026U discloses a scooter with a seat, including a scooter seat and a control lever arranged at the front end of the scooter seat, a seat plate on the control lever, a hand push rod at the rear end of the seat plate, a mounting hole at the rear end of the seat plate, a connector connected to the lower end of the hand push rod, a convex edge on the connector, a knob rotatably connected to the connector below the convex edge, and the knob is rotated after passing through the mounting hole so that the seat plate is clamped between the convex edge and the knob to achieve the connection between the connector and the seat plate.

[0005] The disadvantages of the above-mentioned multifunctional twisting car and scooter are that they have no travel distance display, and thus it is impossible to know the distance traveled by the child using the stroller, that is, it is impossible to know the amount of exercise the child has done. Summary of the Invention

[0006] The utility model aims to provide a baby carriage capable of displaying travel distance, which can inform parents of the distance traveled by children using the baby carriage and facilitate parents to monitor the amount of exercise of their children.

[0007] The utility model is achieved in this way:

[0008] A baby carriage capable of displaying travel distance comprises a frame, a rotating wheel rotatably mounted on the frame, and a control unit for controlling the direction of the baby carriage, wherein a magnet is embedded in the rotating wheel, a mounting slot is provided on the frame, a sensor for sensing changes in the magnetic field of the magnet is provided in the mounting slot, and a display electrically connected to the sensor is provided on the frame or the control unit.

[0009] In the above-mentioned children's carriage that can display the travel, the children's carriage is a twisting carriage, which includes a body and a torsion rod arranged at the front of the body, the upper end of the torsion rod extends out of the body to connect to the steering wheel, and the lower end extends out of the body to connect to the front wheel assembly, the rear end of the body is rotatably connected to the rear roller, and a wheel axle fixed to the body is provided between the body and the rear roller, the rotating wheel is the rear roller, the frame includes the body and the wheel axle, the control part is a steering wheel, the mounting groove is provided on the wheel axle, and the display is provided on the body.

[0010] In the above-mentioned baby carriage capable of displaying travel, the magnet is provided on the side of the rear roller close to the wheel axle, a transverse plate and side plates are provided on both sides of the transverse plate in the wheel axle, and the mounting groove is formed between the transverse plate and the two side plates.

[0011] In the above-mentioned baby carriage capable of displaying travel, the wheel axle includes a wheel cover and an inner shaft arranged in the wheel cover, the lower end of the side plate is connected to the inner shaft, and the cross plate is connected to the inner shaft via a connecting plate.

[0012] In the above-mentioned children's carriage that can display the travel, the children's carriage is a scooter, which includes a skateboard seat and a control lever arranged at the front end of the skateboard seat, a handle is provided at the upper end of the control lever, a rear wheel is provided at the rear end of the skateboard seat, the rotating wheel is the rear wheel, the frame is the skateboard seat, the control part is the handle, and the display is set on the handle or the skateboard seat.

[0013] In the above-mentioned baby carriage capable of displaying travel, the rear wheel is arranged in the middle of the skateboard seat, one side of the rear wheel is provided with the magnet, and the bottom of the skateboard seat is provided with the mounting groove.

[0014] In the above-mentioned baby carriage capable of displaying travel, the magnet may be fixed in such a manner that a mounting groove is provided on a side of the rotating wheel close to the frame, the magnet is disposed in the mounting groove and fixed by glue.

[0015] In the above-mentioned baby carriage capable of displaying travel, the magnet may also be fixed in the following manner: a mounting groove is provided on a side of the rotating wheel close to the frame, the magnet is arranged in the mounting groove, and is fixed by an inverted buckle.

[0016] In the above-mentioned baby carriage capable of displaying travel, the display includes a shell, a processing chip electrically connected to the sensor is provided in the shell, and a display screen electrically connected to the processing chip is provided on the shell.

[0017] In the above-mentioned baby carriage capable of displaying travel, the sensor is a Hall sensor or a TMR angle sensor (tunnel magnetoresistance sensor).

[0018] The outstanding advantages of the utility model compared with the prior art are:

[0019] 1. This utility model uses a sensor to sense the magnetic field changes of a magnet, and the display shows the distance traveled by the child in the stroller, so that parents can know the distance traveled by the child in the stroller, which is convenient for parents to monitor the amount of exercise their children do. The display is set on the frame or the control part to facilitate reading the distance traveled. The magnet is embedded in the rotating wheel, and the sensor is set on the mounting slot of the frame. The installation structure is simple and easy to install.

[0020] 2. The utility model has a mounting groove on one side of the rotating wheel close to the frame. The magnet is set in the mounting groove and fixed by glue. The mounting is firm and effectively prevents the magnet from falling out during driving. The utility model has a simple structure and is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG1 is a perspective view of a first embodiment of the present invention;

[0022] FIG2 is a second perspective view of the first embodiment of the present invention without the rear roller;

[0023] FIG3 is a perspective view of the rear roller of the first embodiment of the present invention;

[0024] FIG4 is a perspective view of the axle of the first embodiment of the present invention;

[0025] FIG5 is a perspective view of a second embodiment of the present invention;

[0026] FIG6 is a perspective view of a skateboard seat, rear wheel, magnet and sensor according to a second embodiment of the present invention;

[0027] FIG7 is a perspective view of the skateboard seat and rear wheel of Example 2 of the present utility model;

[0028] FIG8 is a perspective view of a display according to a second embodiment of the present invention;

[0029] FIG9 is a perspective view of a third embodiment of the present invention.

[0030] Figure numerals: 1. magnet; 2. mounting groove; 3. sensor; 4. display; 5. vehicle body; 6. torsion bar; 7. steering wheel; 8. rear roller; 9. axle; 9a. cross plate; 9b. side plate; 9c. wheel cover; 9d. inner shaft; 9e. connecting plate; 11. skateboard seat; 12. control lever; 13. handle; 14. rear wheel; 15. mounting groove; 16. shell; 17. display screen. DETAILED DESCRIPTION

[0031] The present invention will be further described below with reference to specific embodiments, see Figures 1-9:

[0032] Example 1:

[0033] A baby carriage capable of displaying travel distance comprises a frame, a rotating wheel rotatably mounted on the frame, and a control unit for controlling the direction of the baby carriage, wherein a magnet 1 is embedded in the rotating wheel, a mounting slot 2 is provided on the frame, a sensor 3 for sensing changes in the magnetic field of the magnet 1 is provided in the mounting slot 2, and a display 4 electrically connected to the sensor 3 is provided on the frame or the control unit.

[0034] The working principle of this utility model is that when the wheel rotates, it drives magnet 1 to rotate around the center of the wheel. Sensor 3 senses the changes in the magnetic field of magnet 1 and transmits this information to display 4. The processing chip of display 4 calculates the distance traveled by the wheel based on this information, and display screen 17 of display 4 displays the distance traveled. Display 4 is mounted on the vehicle frame or control unit to facilitate reading the distance traveled. The magnet is embedded in the wheel, and the sensor is mounted in mounting slot 2 of the vehicle frame. The mounting structure is simple and easy to install.

[0035] The baby carriage of the utility model senses the magnetic field change of the magnet 1 through the sensor 3 and displays the travel distance on the display 4, so that the distance traveled by the child using the baby carriage can be known, which is convenient for parents to monitor the amount of exercise of the child.

[0036] Specific structure of the baby carriage: As shown in Figures 1-4, the baby carriage is a twisting car, which includes a body 5 and a torsion rod 6 arranged at the front of the body 5. The upper end of the torsion rod 6 extends out of the body 5 to connect to the steering wheel 7, and the lower end extends out of the body 5 to connect to the front wheel assembly. The rear end of the body 5 is rotatably connected to the rear roller 8. A wheel axle 9 fixed to the body 5 is provided between the body 5 and the rear roller 8. The rotating wheel is the rear roller 8. The frame includes the body 5 and the wheel axle 9. The control part is a steering wheel 7. The mounting groove 2 is provided on the wheel axle 9. The display 4 is provided on the body 5.

[0037] Furthermore, there are two rear rollers 8 , and the magnet 1 is arranged on one of the rear rollers 8 .

[0038] The specific installation structure of magnet 1 and sensor 3 is shown in Figures 2-4. Magnet 1 is installed on the side of rear roller 10 near axle 9. A horizontal plate 9a and side plates 9b are provided within axle 9. The mounting slot 2 is formed between horizontal plate 9a and the two side plates 9b. Sensor 3 provides good sensing performance and accurate travel measurement.

[0039] In order to prevent the sensor 3 from falling out during driving, the two side edges 9b are tilted inward from bottom to top, tightly fitting with the sensor 3, and the sensor 3 is clamped in the installation groove 2. The installation is firm, the structure is simple, and it is easy to install.

[0040] Specific structure of the axle 9: As shown in Figures 2 and 4, the axle 9 includes a wheel cover 9c and an inner shaft 9d arranged in the wheel cover 9c, the lower end of the side plate 9b is connected to the inner shaft 9d, and the cross plate 9a is connected to the inner shaft 9d through the connecting plate 9e.

[0041] In order to prevent the magnet 1 from falling out during driving, as shown in Figures 3 and 7, a mounting groove 15 is provided on the side of the wheel close to the frame, and the magnet 1 is placed in the mounting groove 15 and fixed by glue. The installation is firm, the structure is simple, and it is easy to install.

[0042] Structure of the display 4: As shown in Figures 1 and 2, the display 4 includes a housing 16, a processing chip electrically connected to the sensor 3 is provided in the housing 16, and a display screen 17 electrically connected to the processing chip is provided on the housing 16.

[0043] Furthermore, the display 4 is embedded in the front end of the vehicle body 5 and is located behind the steering wheel 7 .

[0044] Preferably, the sensor 3 is a Hall sensor or a TMR angle sensor (tunnel magnetoresistance sensor). In this embodiment, the sensor 3 is a Hall sensor.

[0045] Example 2:

[0046] The structure of this embodiment is basically the same as that of the above-mentioned embodiment 1, and the main difference is that: as shown in Figures 5-8, the baby carriage is a scooter, which includes a skateboard seat 11 and a control rod 12 arranged at the front end of the skateboard seat 11, a handle 13 is provided at the upper end of the control rod 12, a rear wheel 14 is provided at the rear end of the skateboard seat 11, the rotating wheel is the rear wheel 14, the frame is the skateboard seat 11, the control part is the handle 13, and the display 4 is arranged on the handle 13.

[0047] Furthermore, the display 4 is arranged above the handle 13 , as shown in FIGS. 5 and 8 .

[0048] Specific installation structure of the magnet 1 and the sensor 3: As shown in Figures 6 and 7, the rear wheel 14 is arranged in the middle of the skateboard seat 11, one side of the rear wheel 14 is provided with the magnet 1, and the bottom of the skateboard seat 11 is provided with the installation groove 2.

[0049] In order to prevent the sensor 3 from falling out during driving, as shown in Figures 6 and 7, the sensor 3 is fixed in the installation groove 2 by glue. The installation is firm, the structure is simple, and it is easy to install.

[0050] Example 3:

[0051] The structure of this embodiment is basically the same as that of the first embodiment, with the main difference being that, as shown in FIG. 9 , the display 4 is disposed on the skateboard seat 11 .

[0052] Furthermore, the display 4 is embedded in the front end of the skateboard seat 11 and is located behind the control rod 12 .

[0053] The above embodiment is only one of the preferred embodiments of the present invention and is not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made based on the shape, structure, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A baby carriage capable of displaying a travel distance, comprising a frame, a rotating wheel rotatably arranged on the frame, and a control unit for controlling the direction of the baby carriage, characterized in that: A magnet (1) is embedded in the rotating wheel, a mounting groove (2) is provided on the vehicle frame, a sensor (3) for sensing changes in the magnetic field of the magnet (1) is provided in the mounting groove (2), and a display (4) electrically connected to the sensor (3) is provided on the vehicle frame or the control unit.

2. A baby stroller capable of displaying travel distance according to claim 1, characterized in that: The baby carriage is a twisting carriage, comprising a carriage body (5) and a twisting rod (6) arranged at the front of the carriage body (5); the upper end of the twisting rod (6) extends out of the carriage body (5) to be connected to a steering wheel (7), and the lower end of the twisting rod (6) extends out of the carriage body (5) to be connected to a front wheel assembly; the rear end of the carriage body (5) is rotatably connected to a rear roller (8); a wheel axle (9) fixed to the carriage body (5) is arranged between the carriage body (5) and the rear roller (8); the rotating wheel is the rear roller (8); the carriage frame comprises the carriage body (5) and the wheel axle (9); the control unit is a steering wheel (7); the mounting groove (2) is arranged on the wheel axle (9); and the display (4) is arranged on the carriage body (5).

3. A baby carriage capable of displaying travel distance according to claim 2, characterized in that: The magnet (1) is provided on one side of the rear roller (10) close to the wheel axle (9), a transverse plate (9a) and side plates (9b) arranged on both sides of the transverse plate (9a) are provided inside the wheel axle (9), and the mounting groove (2) is formed between the transverse plate (9a) and the two side plates (9b).

4. A baby carriage capable of displaying travel distance according to claim 3, characterized in that: The wheel axle (9) comprises a wheel cover (9c) and an inner shaft (9d) arranged in the wheel cover (9c); the lower end of the side plate (9b) is connected to the inner shaft (9d); and the cross plate (9a) is connected to the inner shaft (9d) via a connecting plate (9e).

5. A baby stroller capable of displaying travel distance according to claim 1, characterized in that: The baby carriage is a scooter, comprising a scooter seat (11) and a control rod (12) arranged at the front end of the scooter seat (11); a handle (13) is arranged at the upper end of the control rod (12); a rear wheel (14) is arranged at the rear end of the scooter seat (11); the rotating wheel is the rear wheel (14); the frame is the scooter seat (11); the control part is the handle (13); and the display (4) is arranged on the handle (13).

6. A baby carriage capable of displaying travel distance according to claim 5, characterized in that: The rear wheel (14) is arranged in the middle of the skateboard seat (11), one side of the rear wheel (14) is provided with the magnet (1), and the bottom of the skateboard seat (11) is provided with the mounting groove (2).

7. A baby carriage capable of displaying travel distance according to claim 1, characterized in that: A mounting groove (15) is provided on one side of the rotating wheel close to the vehicle frame, and the magnet (1) is arranged in the mounting groove (15) and fixed by glue.

8. A baby carriage capable of displaying travel distance according to claim 1, characterized in that: The display (4) comprises a housing (16), a processing chip electrically connected to the sensor (3) is provided in the housing (16), and a display screen (17) electrically connected to the processing chip is provided on the housing (16).

9. A baby carriage capable of displaying travel distance according to claim 1, characterized in that: The sensor (3) is a Hall sensor or a TMR angle sensor.

10. A baby stroller capable of displaying travel distance according to claim 1, characterized in that: The baby carriage is a scooter, comprising a scooter seat (11) and a control rod (12) arranged at the front end of the scooter seat (11); a handle (13) is arranged at the upper end of the control rod (12); a rear wheel (14) is arranged at the rear end of the scooter seat (11); the rotating wheel is the rear wheel (14); the frame is the scooter seat (11); the control part is the handle (13); and the display (4) is arranged on the scooter seat (11).

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