Device for testing swing durability of household electrical appliance

Abstract

The utility model discloses a device for testing the swing durability of household appliances, which comprises a bottom plate and a swing mechanism, the swing mechanism comprises a driving assembly and a carrier platform, a mounting seat is arranged below the carrier platform, and the carrier platform swings back and forth by taking the joint of the mounting seat and the carrier platform as the center; a positioning assembly and a fastening assembly are arranged at the top of the carrier platform, the positioning assembly comprises a plurality of positioning parts, and the multiple positioning parts are arranged around the household appliance and abut against the household appliance; the fastening assembly comprises a clamping unit and a pressing unit, a buckling unit is arranged below the pressing unit, and the pressing unit is detachably connected with the buckling unit in a buckled mode. The household appliance is installed on the carrier platform and fixed through the clamping assembly and the pressing unit pressing the household appliance from top to bottom, the household appliance is prevented from being thrown out during high-speed swing, and the device is suitable for high-speed swing scenes.

Description

Technical Field

[0001] The utility model belongs to the field of testing devices, and in particular relates to a device for testing the swing durability of household appliances. Background Art

[0002] With the development of science and technology, people's living standards have also improved. For example, every household now has a variety of household appliances to meet different life needs. However, some household appliances will sway during use, and during the swaying process, there is a risk of poor contact between the circuits of the internal components of the household appliances. In order to ensure the quality of household appliances and prevent malfunctions due to swaying, household appliances are usually subjected to swaying tests to test their swaying durability.

[0003] In the prior art, for example, the patent document with publication number CN219372479U discloses a mobile device shaking abnormal sound test device, which includes a base, a shaking part, a driving part, a clamping part and an audio collection part, wherein the driving part is fixed to the base, the shaking part is movably connected to the base and fixedly connected to the driving part, the clamping part is fixed to the shaking part, and the clamping part is used to clamp the mobile device. However, the test device only clamps the mobile device from both sides and can only be used in low-speed situations. When the shaking speed of the shaking part is too fast, the mobile device is at risk of being thrown out.

[0004] Therefore, there is an urgent need for a device for testing the swing durability of household appliances to solve the above problems. Summary of the invention

[0005] In response to the problems in the prior art, the utility model proposes a device for testing the swing durability of household appliances. The household appliances are mounted on a carrier platform, and a positioning portion arranged around the household appliances and a clamping unit that presses the household appliances from top to bottom are used to prevent the household appliances from being thrown out during high-speed swinging.

[0006] The utility model is implemented as follows: a device for testing the sway durability of household appliances, comprising a bottom plate, a swaying mechanism is arranged on the bottom plate, the swaying mechanism comprises a driving assembly and a carrier platform, the driving assembly is connected to the carrier platform in a transmission manner, the household appliance is installed on the top of the carrier platform,

[0007] A mounting seat is provided below the carrier platform, the mounting seat is rotatably connected to the carrier platform, and the carrier platform is driven by the driving component to reciprocate and swing around the connection between the mounting seat and the carrier platform as the center;

[0008] The top of the carrier platform is provided with a positioning component and a fastening component adapted to the row of household appliances. The positioning component includes a plurality of positioning parts adapted to the outer periphery of the household appliances. The plurality of positioning parts are arranged around the household appliances and abut against the household appliances. The fastening component includes a symmetrically arranged clamping unit and a pressing unit for pressing the household appliances from top to bottom. The clamping unit is installed on the carrier platform and clamps the household appliances. A snap-fit ​​component installed on the carrier platform is provided below the pressing unit, and the pressing unit is snap-fitted and connected with the snap-fit ​​component in a detachable manner. When installing the household appliances, the household appliances are first positioned by the positioning parts, then the clamping unit clamps the household appliances, and finally the pressing unit presses the household appliances from top to bottom to prevent the household appliances from being thrown out of the carrier platform due to excessive swinging speed, thereby improving the reliability and safety of the device.

[0009] Preferably, the buckling assembly comprises a base and a buckling unit, and the buckling unit is elastically rotatably connected to the base. A torsion spring is also provided on the base, one end of the torsion spring abuts against the base or the carrier platform, and the other end is elastically connected to the buckling unit. Driven by the torsion spring, the buckling unit rotates toward the direction of the household appliance and is buckled and connected to the clamping unit.

[0010] Specifically, a first hook portion in a hook shape is provided at the bottom of the pressing unit, and a second hook portion matched with the first hook portion is provided at the top of the buckling unit, and the second hook portion is buckled with the first hook portion.

[0011] Specifically, a pressing portion is provided at the bottom of the buckle unit, and when the pressing portion is pressed, the second hook portion is disengaged from the first hook portion. The pressing portion is used to open the buckle assembly, and when the household appliance is tested, the pressing portion is used to quickly disassemble the clamping unit, thereby improving the test efficiency.

[0012] Specifically, the fastening assembly further comprises a plurality of elastic units, one end of which abuts against the household appliance, and the other end of which is elastically connected to the pressing unit. The elastic unit is used to provide a pre-tightening force for the pressing unit so that the pressing unit presses the household appliance, and when the buckle unit is disengaged from the pressing unit, the pressing unit is automatically ejected under the drive of the elastic unit, so that the pressing unit can be disassembled with one click.

[0013] Preferably, the bottom plate is also provided with a symmetrically arranged guide assembly, the guide assembly includes an arc-shaped guide rail, the curvature of which is adapted to the motion trajectory of the carrier platform, and the carrier platform is slidably connected to the arc-shaped guide rail. The arc-shaped guide rail is used to guide and bear the load of the carrier platform, which reduces the load of the mounting seat, prolongs the service life of the mounting seat, and further improves the reliability of the device.

[0014] Preferably, a connecting portion is provided at the bottom of the carrier platform, and the connecting portion is rotatably connected to the mounting seat; the drive assembly includes a drive unit, and a connecting rod is provided at the output end of the drive unit, one end of the connecting rod is rotatably connected to the output end of the drive unit, and the other end is rotatably connected to the connecting portion. The drive unit, the connecting rod and the connecting portion form a crank rocker mechanism, which converts the rotation of the output end of the drive unit into the swing of the connecting portion. The more complex the mechanical mechanism is, the more likely it is to have problems and the worse the stability is. By using a simple mechanism to achieve motion conversion, the complexity of the mechanism is reduced and the stability of the drive assembly is improved.

[0015] Specifically, the rotation center of the connecting part is located in the lower half of the connecting part, and the connecting part is located below the rotation center, so that the distance from the connection point between the connecting rod and the connecting part to the rotation center of the connecting part is smaller than the distance from the household appliance to the rotation center of the connecting part. When the swing amplitude remains unchanged, the stroke of the connecting rod is reduced, thereby reducing the volume of the device and making the device easier to install.

[0016] Specifically, the driving assembly further comprises a driving seat, and an adjustment slot is provided on the driving seat, and the driving assembly is slidably adjusted with the bottom plate through the adjustment slot. The adjustment slot is used to adjust the position of the driving seat, and the output end, connecting rod and neutral plane of the connecting part of the driving unit are parallel to each other, so as to prevent the connecting rod from being skewed and causing the driving assembly to be stuck, thereby improving the reliability of the device.

[0017] Specifically, the driving unit is a motor. The speed of the motor can be adjusted by changing the frequency, voltage and current of the power supply, and the appropriate speed can be selected according to specific needs, so that the device can be applied to different speed scenes, thereby improving the compatibility range of the device.

[0018] Beneficial effects of the utility model:

[0019] The utility model proposes a device for testing the sway durability of household appliances. The household appliances are mounted on a carrier platform, positioned by a positioning portion arranged around the household appliances, and fixed by a clamping assembly and a pressing unit that presses the household appliances from top to bottom, so as to prevent the household appliances from being thrown out during high-speed swinging, thereby making the device suitable for high-speed swinging scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall schematic diagram of a device for testing the swing durability of household appliances according to the utility model;

[0021] Figure 2 A schematic diagram of a swing mechanism of a device for testing the swing durability of household appliances according to the utility model;

[0022] Figure 3 A schematic diagram of a carrier platform of a device for testing the sway durability of household appliances according to the utility model;

[0023] Figure 4 A schematic diagram of an elastic unit of a device for testing the sway durability of household appliances according to the utility model;

[0024] Figure 5 A schematic diagram of a buckling assembly of a device for testing the sway durability of household appliances according to the utility model;

[0025] Figure 6 The utility model is a schematic diagram of an arc guide rail of a device for testing the sway durability of household appliances.

[0026] Reference numerals:

[0027] 1. Bottom plate; 2. Swing mechanism; 3. Guide assembly; 4. Household appliance; 21. Drive assembly; 22. Carrier platform; 23. Mounting seat; 24. Connecting portion; 25. Snap-fit ​​assembly; 26. Clamping unit; 27. Pressing unit; 31. Arc guide rail; 211. Drive unit; 212. Connecting rod; 251. Base; 252. Snap-fit ​​unit; 2521. Pressing portion; 2522. Second hook. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figure 1-Figure 6 As shown, a device for testing the sway durability of household appliances comprises a base plate 1, on which a sway mechanism 2 is provided, wherein the sway mechanism 2 comprises a driving assembly 21 and a carrier platform 22, wherein the driving assembly 21 is in transmission connection with the carrier platform 22, and a household appliance 4 is mounted on the top of the carrier platform 22.

[0030] A mounting seat 23 is provided below the carrier platform 22, and the mounting seat 23 is rotatably connected to the carrier platform 22. The carrier platform 22 is driven by the driving assembly 21 to reciprocate and swing around the connection between the mounting seat 23 and the carrier platform 22.

[0031] In this embodiment, a connection portion 24 is provided at the bottom of the carrier platform 22, and the connection portion 24 is rotatably connected to the mounting seat 23; the drive assembly 21 includes a drive unit 211, and a connecting rod 212 is provided at the output end of the drive unit 211, one end of the connecting rod 212 is rotatably connected to the output end of the drive unit 211, and the other end is rotatably connected to the connection portion 24. The drive unit 211, the connecting rod 212 and the connection portion 24 form a crank rocker mechanism, which converts the rotation of the output end of the drive unit 211 into the swing of the connection portion 24. The more complex the mechanical mechanism is, the more likely it is to have problems and the worse the stability is. The conversion of motion is achieved through a simple mechanism, which reduces the complexity of the mechanism and improves the stability of the drive assembly 21.

[0032] Specifically, the rotation center of the connecting part 24 is located in the lower half of the connecting part 24, and the connecting part 24 is located below the rotation center, so that the distance from the connection point between the connecting rod 212 and the connecting part 24 to the rotation center of the connecting part 24 is smaller than the distance from the household appliance 4 to the rotation center of the connecting part 24. When the swing amplitude remains unchanged, the stroke of the connecting rod 212 is reduced, thereby reducing the volume of the device and making the device easier to install.

[0033] Specifically, the driving assembly 21 also includes a driving seat, and an adjustment slot is provided on the driving seat, through which the driving assembly 21 is slidably adjusted with the bottom plate 1. The adjustment slot is used to adjust the position of the driving seat, and the output end of the driving unit 211, the connecting rod 212 and the neutral plane of the connecting part 24 are parallel to each other, so as to prevent the connecting rod 212 from being skewed and causing the driving assembly 21 to be stuck, thereby improving the reliability of the device.

[0034] Specifically, the driving unit 211 is a motor. The speed of the motor can be adjusted by changing the frequency, voltage and current of the power supply, and a suitable speed can be selected according to specific needs, so that the device can be applied to different speed scenes, thereby improving the compatibility range of the device.

[0035] The top of the carrier platform 22 is provided with a positioning assembly and a fastening assembly adapted to the household appliance 4. The positioning assembly includes a plurality of positioning parts adapted to the periphery of the household appliance 4. The plurality of positioning parts are arranged around the household appliance 4 and abut against the household appliance 4. The fastening assembly includes a symmetrically arranged clamping unit 26 and a pressing unit 27 for pressing the household appliance 4 from top to bottom. The clamping unit 26 is installed on the carrier platform 22 and clamps the household appliance 4.

[0036] A buckle assembly 25 installed on the carrier platform 22 is provided below the clamping unit 27, and the clamping unit 27 is buckled and connected to the buckle assembly 25 in a detachable manner. When installing the household appliance 4, the household appliance 4 is first positioned by the positioning portion, then the clamping unit 26 clamps the household appliance 4, and finally the clamping unit 27 clamps the household appliance 4 from top to bottom to prevent the household appliance 4 from being thrown out of the carrier platform 22 due to excessive swinging speed, thereby improving the reliability and safety of the device.

[0037] In this embodiment, the buckling assembly 25 includes a base 251 and a buckling unit 252, and the buckling unit 252 is elastically rotatably connected to the base 251. A torsion spring is also provided on the base 251, one end of the torsion spring abuts against the base 251 or the carrier platform 22, and the other end is elastically connected to the buckling unit 252. Driven by the torsion spring, the buckling unit 252 rotates toward the direction of the household appliance 4 and is buckled and connected to the pressing unit 27.

[0038] Specifically, a first hook portion in a hook shape is provided at the bottom of the pressing unit 27, and a second hook portion 2522 adapted to the first hook portion is provided at the top of the buckling unit 252, and the second hook portion 2522 is buckled with the first hook portion.

[0039] Specifically, a pressing portion 2521 is provided at the bottom of the buckle unit 252. When the pressing portion 2521 is pressed, the second hook portion 2522 is disengaged from the first hook portion. The pressing portion 2521 is used to open the buckle assembly 25. After the household appliance 4 is tested, the pressing portion 2521 is used to quickly disassemble the clamping unit 27, thereby improving the test efficiency.

[0040] In this embodiment, a symmetrically arranged guide assembly 3 is further provided on the bottom plate 1, and the guide assembly 3 includes an arc-shaped guide rail 31, whose curvature is adapted to the motion trajectory of the carrier platform 22, and the carrier platform 22 is slidably connected to the arc-shaped guide rail 31. The arc-shaped guide rail 31 is used to guide and bear the load of the carrier platform 22, thereby reducing the load of the mounting seat 23, extending the service life of the mounting seat 23, and further improving the reliability of the device.

[0041] According to the disclosure and teaching of the above specification, the technicians in the field of the utility model can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of explanation and do not constitute any limitation to the utility model.

Claims

1. A device for testing the sway durability of household appliances, comprising a bottom plate, on which a sway mechanism is provided, characterized in that: The swing mechanism includes a driving assembly and a carrier platform, wherein the driving assembly is in transmission connection with the carrier platform, and the household appliance is installed on the top of the carrier platform. A mounting seat is provided below the carrier platform, the mounting seat is rotatably connected to the carrier platform, and the carrier platform is driven by the driving component to reciprocate and swing around the connection between the mounting seat and the carrier platform as the center; A positioning assembly and a fastening assembly adapted to the row of household appliances are provided on the top of the carrier platform, the positioning assembly includes a plurality of positioning parts adapted to the periphery of the household appliances, the plurality of positioning parts are arranged around the household appliances and abut against the household appliances; the fastening assembly includes a symmetrically arranged clamping unit and a pressing unit for pressing the household appliances from top to bottom, the clamping unit is installed on the carrier platform and clamps the household appliances, a snap-fit ​​assembly installed on the carrier platform is provided below the pressing unit, the pressing unit is snap-fitted and connected to the snap-fit ​​assembly in a detachable manner.

2. A device for testing the swing durability of household appliances according to claim 1, characterized in that: The buckling assembly comprises a base and a buckling unit, and the buckling unit is elastically rotatably connected to the base.

3. A device for testing the swing durability of household appliances according to claim 2, characterized in that: A first hook portion in a hook shape is provided at the bottom of the pressing unit, and a second hook portion adapted to the first hook portion is provided at the top of the buckling unit, and the second hook portion is buckled with the first hook portion.

4. A device for testing the swing durability of household appliances according to claim 3, characterized in that: A pressing portion is provided at the bottom of the buckling unit, and when the pressing portion is pressed, the second hook portion is disengaged from the first hook portion.

5. A device for testing the swing durability of household appliances according to claim 4, characterized in that: The fastening assembly further comprises a plurality of elastic units, one end of each elastic unit abuts against the household appliance, and the other end of each elastic unit is elastically connected to the pressing unit.

6. The device for testing the swing durability of household appliances according to claim 1, characterized in that: The bottom plate is also provided with a symmetrically arranged guide assembly, which includes an arc-shaped guide rail, the curvature of which is adapted to the motion trajectory of the carrier platform, and the carrier platform is slidably connected to the arc-shaped guide rail.

7. The device for testing the swing durability of household appliances according to claim 1, characterized in that: A connecting portion is provided at the bottom of the carrier platform, and the connecting portion is rotatably connected to the mounting seat; the driving assembly includes a driving unit, and a connecting rod is provided at the output end of the driving unit, one end of the connecting rod is rotatably connected to the output end of the driving unit, and the other end is rotatably connected to the connecting portion.

8. The device for testing the swing durability of household appliances according to claim 7, characterized in that: The rotation center of the connecting part is located at the lower half of the connecting part, and the connection point between the connecting rod and the connecting part is located below the rotation center.

9. The device for testing the swing durability of household appliances according to claim 8, characterized in that: The driving assembly also includes a driving seat, on which an adjustment slot is provided, and the driving assembly is slidably adjusted with the bottom plate through the adjustment slot.

10. The device for testing the swing durability of household appliances according to claim 9, characterized in that: The driving unit is a motor.

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