CN221123840U - Freewheel judging device of electric riding toy - Google Patents

Abstract

The utility model discloses a free wheel judging device of an electric riding toy, which belongs to the technical field of toy testing, and comprises a testing module; the test module comprises a sensor bracket, wherein the sensor bracket is perpendicular to the horizontal plane; the tension sensor is arranged on the sensor bracket and is used for being connected with the electric riding toy; the conveyor belt unit is horizontally arranged in the direction opposite to the tension sensor, and the running direction of the top surface is far away from the direction of the tension sensor; and the clamping unit is arranged at the side edge of the conveyor belt unit and used for clamping the electric riding toy. According to the free wheel judging device of the electric riding toy, the test environment required by the test is simulated by the static electric riding toy and the rotating conveyor belt unit, so that the traction force can be measured more efficiently and conveniently, and the test time is shortened and the damage to the braking performance is reduced by lifting the electric riding toy and setting down the horizontal plane speed of the sand paper belt.

Description

Freewheel judging device of electric riding toy

Technical Field

The utility model relates to the technical field of toy testing, in particular to a free wheel judging device of an electric riding toy.

Background

The electric baby carrier is an electric riding toy for children to play, the children can drive themselves or interact with each other, and the electric baby carrier is driven by a motor and is safe to operate. In order to ensure the safety of children during playing, the electric riding toys are required to be subjected to a plurality of safety tests during production, including tests for judging whether the wheels are free wheels or not. Common detection criteria for freewheel determination tests include, but are not limited to

The determination standards of the free wheel of the electric riding toy are different in different countries, and the main detection standards include but are not limited to EN71-1, GB 6675.2-2014, ISO 8124-1:2022, IS 9873:2019 and the like, but the testing method basically comprises the steps of pulling the electric riding toy at a certain specific speed in a specific ground environment, and testing the maximum pulling force. At present, the main stream method in the test is also to perform the manual test, and no reasonable equipment is used for completing the whole set of test flow, so that traction data are difficult to accurately collect in the movement process of the electric riding toy. Moreover, when the manual test is performed, the electric riding toy is required to be pulled for a long time, so that the braking property of the wheel motor of the electric riding toy is damaged, and the test is misaligned.

Disclosure of utility model

The utility model aims to provide a free wheel judging device of an electric riding toy, which can realize the test of the free wheel of the electric riding toy by using the whole set of complete equipment, simultaneously reduce the damage to the braking property of a wheel motor of the electric riding toy and further realize the retrospective property of test data.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The free wheel judging device of the electric riding toy comprises a testing module, a control module and a control module, wherein the testing module is used for testing the electric riding toy; the test module comprises a sensor bracket, wherein the sensor bracket is fixedly arranged perpendicular to a horizontal plane; the tension sensor is arranged on the sensor bracket and is used for being connected with the electric riding toy; the conveyor belt unit is horizontally arranged opposite to the direction of the tension sensor, and the running direction of the top surface of the conveyor belt unit is far away from the direction of the tension sensor; and the clamping unit is arranged at the side edge of the conveyor belt unit and used for clamping the electric riding toy.

In a preferred embodiment of the present utility model, the tension sensor is height-adjustable in a vertical direction of the sensor holder.

In another preferred embodiment of the present utility model, the conveyor belt unit comprises a belt of sandpaper that moves at a constant speed during testing.

In another preferred embodiment of the present utility model, a plurality of the gripping units are included; the clamping unit comprises a push rod bracket and push rod brackets, wherein the push rod brackets are arranged on two sides of the running direction of the conveyor belt unit; and the push rod is arranged on the push rod bracket, and the direction of the push rod is perpendicular to the running direction of the conveyor belt unit on the horizontal plane.

In another preferred embodiment of the present utility model, the spacing between the plurality of pushrod supports is adjustable, and the height of the pushrod on the pushrod support is adjustable.

In another preferred embodiment of the present utility model, the gripping unit further includes a motor mounted on the push rod supporter for adjusting a height of the push rod on the push rod supporter.

In another preferred embodiment of the present utility model, the freewheel determination device further includes a control module, where the control module is configured to control the test module and display and record related test data; the control module comprises a controller, wherein the controller is used for controlling the opening and closing of the conveyor belt unit and the running speed; and the operation screen is used for displaying the test data of the tension sensor and interacting with an operator.

In another preferred embodiment of the present utility model, the control module further comprises a memory for storing test data of the tension sensor.

In another preferred embodiment of the present utility model, the control module further comprises an I/O interface for exporting test data stored in the memory.

The free wheel judging device of the electric riding toy has the beneficial effects that the electric riding toy to be tested is static, the sand paper belt horizontal plane is rotated, the test environment required by test is simulated, the traction force is measured more efficiently and conveniently, meanwhile, the electric riding toy can be lifted, the horizontal plane speed of the sand paper belt reaches the requirement, the test time is shortened, the damage to the braking performance of the electric riding toy is reduced, and the test data can be traced back.

In order to make the above features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic view of a freewheel determination device of an electric riding toy according to the present utility model.

Fig. 2 is a schematic diagram of the free wheel judging device of the electric riding toy according to the present utility model when tested.

Fig. 3 is a plan view of the electric riding toy freewheel determination device according to the present utility model when tested.

Description of the reference numerals

C electric riding toy

S traction rope

1 Test module

11 Sensor support

12 Tension sensor

121 Connector

13 Conveyor belt unit

131 Sand paper belt

132 First roller

133 Second roller

14 Clamping unit

141 Push rod support

142 Push rod

2 Control module

21 Controller

22 Operation screen

23 Memory

Detailed Description

In order to make the purpose and technical solutions of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The directional terms mentioned in the following embodiments are, for example: upper, lower, left, right, front, rear, bottom, top, etc., are only with reference to the directions of the attached drawings. Accordingly, the directional terminology is used for purposes of illustration and is not intended to be limiting of the utility model.

The utility model relates to a set of devices for designing a free wheel judging test of an electric riding toy, and fig. 1 is a schematic diagram of the free wheel judging device of the electric riding toy. As shown in fig. 1, the freewheel judging device includes a testing module 1 and a control module 2, wherein the testing module 1 is used for testing the freewheel of the electric riding toy, and the control module 2 is used for controlling the testing module 1 and displaying and recording related testing data.

The test module 1 includes a sensor holder 11, a tension sensor 12, a conveyor unit 13, and a gripping unit 14. The sensor support 11 is fixedly arranged perpendicular to the horizontal plane, the tension sensor 12 is arranged on the sensor support 11 and used for being connected with products to be tested, and the tension sensor 12 can adjust the vertical height in the vertical direction of the sensor support 11 so as to adapt to the heights of different products to be tested. The conveyor belt unit 13 is horizontally arranged in a direction opposite to the tension sensor 12, and the running direction of the conveyor belt on the top surface of the conveyor belt unit 13 is a direction away from the tension sensor 12. The clamping unit 14 is arranged at the side edge of the conveyor belt unit 13 and is used for clamping and lifting the product to be tested.

The control module 2 includes a controller 21, an operation panel 22, and a memory 23. The controller 21 is used for controlling the opening and closing of the conveyor belt unit 13, the running speed and the like, the operation screen 22 is used for interacting with an operator and displaying test data, such as traction data sensed by the tension sensor 12, and the memory 23 is used for storing the test data so that the operator can perform subsequent backtracking inquiry.

Fig. 2 is a schematic diagram of the electric riding toy of the present utility model when the freewheel judging device is tested, and fig. 3 is a plan view of the electric riding toy of the present utility model when the freewheel judging device is tested. As shown in fig. 2 and 3, the tension sensor 12 includes a connector 121, the tension sensor 12 outputs data of the tension applied to the connector 121, the connector 121 is connected to one end of a traction rope S, the other end of the traction rope S is connected to an electric riding toy C to be tested, and the traction rope S is made of a material that is not easy to generate tensile deformation, preferably nylon wire.

The conveyor belt unit 13 includes a sand paper belt 131, a first roller 132, a second roller 133, and a first motor 134 (not shown), the first roller 132 and the second roller 133 are parallel to a horizontal plane and can roll in an axial direction, the axes of the first roller 132 and the second roller 133 are parallel to each other, the sand paper belt 131 is in a ring-shaped belt shape, the sand paper belt 131 is tightly sleeved on the first roller 132 and the second roller 133, the top surface of the sand paper belt 131 is parallel to the horizontal plane, and the rolling of the first roller 132 and the second roller 133 drives the sand paper belt 131 to move. The first motor 134 is connected to the first roller 132 and drives the first roller 132 to roll, and the controller 21 may control the first motor 134 to be turned on or off and rotate at a speed so as to adjust the rotation speed of the first roller 132 and the movement speed of the coated abrasive belt 131 driven by the first roller 132. The purpose of setting up sand paper area 131 is that the simulated electronic toy of riding's operational environment, i.e. rough ground, makes sand paper area 131 uniform motion, through electronic toy of riding with the relative motion of sand paper area 131, can simulate the state when electronic toy of riding in fact uses, can select different materials according to different test criteria, for example optional P60 aluminium oxide.

As shown in fig. 2 and 3, the freewheel judging device of the present utility model includes a plurality of the gripping units 14 for gripping and lifting a product to be tested, and the gripping units 14 include a push rod bracket 141 and a push rod 142. The push rod brackets 141 are disposed at both sides of the running direction of the sand paper tape 131, the push rods 142 are disposed on the push rod brackets 141, and the direction of the push rods 142 is perpendicular to the running direction of the sand paper tape 131 on a horizontal plane. Preferably, the distance between the plurality of push rod holders 141 is adjustable, and the height of the push rod 142 on the push rod holder 141 is adjustable, so as to correspond to the specific shape and height of different products to be tested. Before the test, the push rod 142 pushes out and clamps the electric riding toy C to be tested, so that the electric riding toy C keeps a certain distance from the sand paper belt 131, and when the test starts, the clamping is instantly released, so that the electric riding toy C falls onto the sand paper belt 131 for the test. In fig. 3, a selection of the clamping units 14 is shown, in the example shown in fig. 3, 4 clamping units 14 are selected, two clamping units 14 are respectively disposed on two sides of the running direction of the sand paper belt 131, and the positions of the clamping units 14 on two sides of the running direction of the sand paper belt 131 correspond to each other, so that when clamping is performed, the push rod 142 pushes out and clamps the two sides of the electric riding toy C to be tested.

Preferably, the gripping unit 14 further includes a second motor 143 (not shown), the second motor 143 being mounted on the push rod supporter 141, the second motor 143 being controlled by the controller 21 for adjusting the height of the push rod 142 on the push rod supporter 141. The height adjustment may be entered by an operator on the operator panel 22 and the height of the push rod 142 may be controlled via the controller 21. In practical testing, the electric riding toy C to be tested needs to be placed on the top surface of the sand paper belt 131, the initial position of the push rod 142, that is, the intervals between the push rod brackets 141 and the initial height of the push rod 142 are adjusted, so that the initial position of the push rod 142 corresponds to the position to be clamped of the electric riding toy C, after the electric riding toy C is clamped stably, the controller 21 controls the push rod 142 to slightly raise to enable the wheel of the electric riding toy C to be separated from the sand paper belt 131, the lifting height can be selected according to practical requirements, but generally 5 cm can be selected, the falling height of the electric riding toy C can not affect the structure of the electric riding toy C and the sand paper belt 131, and meanwhile, the wheels of the product to be tested can be ensured not to contact with the sand paper belt 131.

The determination standards of the free wheel of the electric riding toy are different in different countries, the main detection standards include but are not limited to EN71-1, GB 6675.2-2014, ISO 8124-1:2022, IS 9873:2019 and the like, but the testing method IS not limited to a specific ground environment, the toy IS pulled at a specific speed, the maximum pulling force IS tested, and the free wheel determination device can be adapted to various testing standards.

The test method given in the section "free wheel device measurement" in national Standard for the people's republic of China GB 6675.2-2014 toy safety "is used for loading the toy with proper load (the load of children below 36 months is set to be (25+/-0.2) kg, the load of children below 36 months is set to be (50+/-0.5) kg), the toy is uniformly dragged on a plane paved with P60 alumina at the speed of (2+/-0.2) m/s, and the maximum tensile force is tested. Taking this as a reference, the test procedure of the freewheel determination device of the present utility model will be described in detail, taking the case of children under 36 months as an example.

Step S1, a 25kg load is added to the electric riding toy C to be tested, the electric riding toy C with the added load is placed on the sand paper belt 131, and the movement direction of the electric riding toy C faces the direction of the tension sensor 12.

In step S2, the initial position of the gripping unit 14, including the interval between the pusher holders 141 and the initial height of the pusher 142, is adjusted.

In step S3, after the push rod 142 is opened on the operation panel 22 and the push rod 142 clamps the electric riding toy C, the second motor 143 lifts the push rod 142 together with the clamped electric riding toy C by 5cm.

Step S4, the vertical height of the tension sensor 12 is adjusted on the sensor bracket 11, so that the height of the connector 121 is consistent with the height of the connecting position on the electric riding toy C, and then the traction rope S is connected between the connector 121 and the electric riding toy C, and the traction rope S is ensured to be tight.

In step S5, after the running speed of the abrasive paper tape 131 was set to 2m/S on the operation panel 22, the test was started.

In step S6, the push rod 142 instantaneously releases the clamped electric riding toy C, and the electric riding toy C falls onto the sand paper belt 131 in operation.

In step S7, the tension sensor 12 receives tension data, and the tension data on the tension sensor 12 is the required traction force because of the relative motion, and the speed of the electric riding toy C relative to the horizontal plane of the sand paper tape 131 is 2 m/S.

In step S8, the tension data measured on the tension sensor 12 is displayed on the operation panel 22 and recorded in the memory 23 at the same time, and the test is ended.

The freewheel judging device of the present utility model can judge and read traction data of the electric riding toy C at a specific speed by rotating the horizontal plane of the sand paper belt 131 and resting the electric riding toy C to generate a relative speed therebetween, thereby effectively and conveniently measuring traction. And, through lifting in advance the electronic toy C of riding, wait until the horizontal plane speed of abrasive paper area 131 reaches the requirement and put down again, thereby reduced the total duration that the electronic toy C of riding needs the motion when testing, reduce the damage to electronic toy C of riding's brakeability.

For the gripping unit 14 in the present utility model, the purpose of selecting a plurality of push rods 142 is to more firmly fix the electric riding toy C to be tested, and to release the electric riding toy C more quickly when the grip is required to be released, so as to prevent the state of the electric riding toy C from being unexpectedly changed due to scratch or uneven stress generated during the release. Of course, as long as the above requirements are satisfied, other gripping means may be selected, such as suction gripping the electric riding toy C from the top, or the like.

Preferably, the control module 2 further comprises an I/O interface for exporting test data stored in the memory 23.

In summary, according to the free wheel judging device for the electric riding toy, the electric riding toy to be tested is stationary, the sand paper belt horizontal plane is rotated, the test environment required by the test is simulated, the traction force is measured more efficiently and conveniently, meanwhile, the electric riding toy is lifted, the horizontal plane speed of the sand paper belt reaches the requirement, so that the test time is shortened, the damage to the braking performance of the electric riding toy is reduced, and the test data can be traced back.

Although the present utility model has been described with reference to the above embodiments, it should be understood that the utility model is not limited thereto, but rather is capable of modification and variation without departing from the spirit and scope of the present utility model.

Claims (9)

1. The free wheel judging device of the electric riding toy is characterized by comprising a testing module, wherein the testing module is used for testing the electric riding toy;

The test module may comprise a test module that is configured to test a test substrate,

The sensor support is fixedly arranged perpendicular to the horizontal plane;

The tension sensor is arranged on the sensor bracket and is used for being connected with the electric riding toy;

The conveyor belt unit is horizontally arranged opposite to the direction of the tension sensor, and the running direction of the top surface of the conveyor belt unit is far away from the direction of the tension sensor; and

And the clamping unit is arranged at the side edge of the conveyor belt unit and used for clamping the electric riding toy.

2. The freewheel determination device of an electric riding toy according to claim 1 characterized in that the tension sensor is provided height-adjustably in a vertical direction of the sensor holder.

3. The freewheel determination device for an electric ride-on toy according to claim 1 characterized in that, said conveyor belt unit includes a belt of sandpaper, which moves at a uniform speed during testing.

4. The freewheel determination device of an electric riding toy according to claim 1, characterized by comprising a plurality of the pinching units;

the gripping unit comprises a gripping unit which is arranged on the gripping unit,

The push rod brackets are arranged on two sides of the running direction of the conveyor belt unit; and

The push rod is arranged on the push rod support, and the direction of the push rod is perpendicular to the running direction of the conveyor belt unit on the horizontal plane.

5. The freewheel determination device for an electric ride-on toy according to claim 4 characterized in that a distance between a plurality of said pushrod supports is adjustable and a height of said pushrods on said pushrod supports is adjustable.

6. The freewheel determination device of an electric ride-on toy according to claim 4 characterized in that the gripping unit further includes a motor mounted on the pushrod support for adjusting the height of the pushrod on the pushrod support.

7. The freewheel determination device of an electric ride-on toy according to claim 1 characterized in that, it further comprises a control module for controlling the test module and displaying and recording related test data;

The control module may comprise a control module configured to control the control module,

A controller for controlling the opening and closing of the conveyor belt unit and the running speed; and

And the operation screen is used for displaying the test data of the tension sensor and interacting with an operator.

8. The freewheel determination device of an electric ride-on toy of claim 7, characterized in that the control module further includes a memory for storing test data of the tension sensor.

9. The freewheel determination device of an electric ride-on toy according to claim 8 characterized in that, the control module further includes an I/O interface for deriving the test data stored in the memory.