Foldable middle frame torque testing device

Abstract

The utility model relates to a foldable middle frame torque testing device. The device comprises a bedplate; the static torque sensor is mounted on the bedplate; the fixed clamping assembly is connected with the static torque sensor; the fixed clamping assembly comprises a fixed supporting arm and a fixed clamping jaw. The movable clamping assembly is mounted on one side of the static torque sensor; the movable clamping assembly comprises a hollow rotating platform, a bearing plate, a sliding table air cylinder, a supporting plate, a movable clamping jaw and a supporting arm. The movable clamping jaw and the fixed clamping jaw are oppositely arranged; the top surface of the support arm is flush with the top surface of the fixed support arm, and the folding line of the middle frame coincides with the axis of the static torque sensor. The foldable middle frame torque testing device is simple in structure and convenient to use, the movable clamping jaw is installed above the sliding table air cylinder in a sliding mode, the middle frame is pre-positioned through the movable clamping jaw, then the sliding table air cylinder drives the movable clamping jaw to conduct thorough clamping, the foldable middle frame torque testing device can adapt to middle frames of different sizes, the testing universality and flexibility are greatly improved, and the testing efficiency is improved. And the test cost is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of middle frame testing, in particular to a foldable middle frame torque testing device. Background Technique

[0002] A foldable screen mobile phone is a smart phone that adopts flexible screen technology to realize screen folding. Its screen can be folded inward or outward to switch between two states of small size and large size, thus having the dual characteristics of large screen display effect and convenient portability. The design feature of a foldable screen mobile phone is that its screen can be folded, so the structure and performance of the middle frame directly affect the folding effect and use experience of the mobile phone.

[0003] The existing middle frame torque testing fixtures are usually specially customized for each mobile phone model. Due to the fast update speed of mobile phones, when a new foldable screen mobile phone is launched, the old testing fixtures will no longer be applicable, and it is necessary to modify the old fixtures or re-customize new fixtures, resulting in a relatively high testing cost. Content of the Utility Model

[0004] Based on this, the utility model provides a foldable middle frame torque testing device, which has a simple structure and is convenient to use. A movable jaw is slidably installed above the sliding table cylinder. The movable jaw is used to pre-position the middle frame, and then the movable jaw is driven by the sliding table cylinder to be completely clamped, which can adapt to middle frames of different sizes, greatly improving the versatility and flexibility of testing and effectively reducing the testing cost.

[0005] In order to achieve the purpose of the utility model, the following technical scheme is adopted:

[0006] A foldable middle frame torque testing device, comprising:

[0007] A platen;

[0008] A static torque sensor fixedly installed on the platen;

[0009] A fixed clamping assembly connected to the static torque sensor; the fixed clamping assembly includes a fixed support arm connected to the static torque sensor, and a fixed jaw connected to one end of the fixed support arm far from the static torque sensor; and

[0010] A movable clamping assembly rotatably mounted on one side of a static torque sensor; the movable clamping assembly includes a hollow rotating platform connected to a table board, a bearing plate connected to one side of the turntable of the hollow rotating platform, a slide cylinder mounted on the top surface of the bearing plate, a support plate slidably connected to the slide of the slide cylinder, a movable jaw rotatably connected to the support plate, and a support arm located below the second jaw; the movable jaw is disposed opposite to the fixed jaw, and the fixed jaw and the movable jaw are used to clamp opposite ends of the middle frame; the top surface of the support arm is flush with the top surface of the fixed support arm, so that the folding line of the middle frame coincides with the axis line of the static torque sensor.

[0011] The above-mentioned foldable middle frame torque testing device has a simple structure and is convenient to use. A movable jaw is slidably mounted above the slide cylinder. The movable jaw is used to pre-position the middle frame, and then the slide cylinder is used to drive the movable jaw to completely clamp, which can adapt to middle frames of different sizes, greatly improving the versatility and flexibility of the test and effectively reducing the test cost.

[0012] In one embodiment, the hollow rotating platform is coaxially arranged with the static torque sensor, and the slide cylinder is arranged along the radial direction of the static torque sensor.

[0013] In one embodiment, the support plate is connected to the slide of the slide cylinder through a guide rail pair, and the sliding direction of the support plate is the same as the telescopic direction of the slide cylinder.

[0014] In one embodiment, a ring-shaped adapter plate is coaxially connected to the turntable of the hollow rotating platform, and one side of the adapter plate is used to connect the bearing plate.

[0015] In one embodiment, the fixed clamping assembly further includes a pressing block penetrating into the inside of the fixed jaw; a clamping opening is provided on the inner side of the fixed jaw, the clamping opening is used to accommodate one end of the middle frame, and the pressing block penetrates into the inside of the clamping opening and abuts against the middle frame.

[0016] In one embodiment, a through groove is provided on one side of the fixed jaw, the through groove communicates with the clamping opening inward, and the through groove is used for the pressing block to penetrate through. Description of the Drawings

[0017] Figure 1 Is a three-dimensional schematic diagram of a foldable middle frame torque testing device according to an embodiment of the present invention;

[0018] Figure 2 Is Figure 1 The exploded schematic diagram of the foldable middle frame torque testing device shown;

[0019] Figure 3 Is Figure 2 The assembled schematic diagram of another perspective of the table board and the hollow rotating platform in the foldable middle frame torque testing device shown;

[0020] Figure 4 is Figure 2 an exploded view of the fixed clamping assembly in the foldable middle frame torque testing device shown;

[0021] Figure 5 is Figure 2 a perspective schematic diagram of another view of the movable clamping assembly in the foldable middle frame torque testing device shown;

[0022] Figure 6 is Figure 1 a schematic diagram of the application state of the foldable middle frame torque testing device shown.

[0023] Explanation of the reference numerals in the drawings:

[0024] 10 - table board;

[0025] 20 - static torque sensor;

[0026] 30 - fixed clamping assembly, 31 - fixed support arm, 32 - fixed jaw, 320 - clamping opening, 321 - through slot, 33 - pressing block, 330 - pressing cylinder;

[0027] 40 - movable clamping assembly, 41 - hollow rotating platform, 410 - adapter plate, 42 - bearing plate, 43 - sliding table cylinder, 44 - support plate, 45 - movable jaw, 46 - support arm;

[0028] 50 - middle frame. Detailed implementation manners

[0029] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure content of the present utility model more thorough and comprehensive.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0032] Please refer to Figures 1 to 6, a foldable red frame torque testing device according to an embodiment of the present invention, includes a table board 10, a static torque sensor 20 fixedly installed on the table board 10, a fixed clamping assembly 30 connected to the static torque sensor 20, and a movable clamping assembly 40 rotatably installed on one side of the static torque sensor 20. The fixed clamping assembly 30 and the movable clamping assembly 40 cooperate to clamp the middle frame 50.

[0033] The fixed clamping assembly 30 includes a fixed support arm 31 connected to the static torque sensor 20, a fixed clamping jaw 32 connected to one end of the fixed support arm 31 away from the static torque sensor 20, and a pressing block 33 penetrating into the inside of the fixed clamping jaw 32. Among them, a clamping opening 320 is provided on the inner side of the fixed clamping jaw 32, and the clamping opening 320 is used to accommodate one end of the middle frame 50. After the pressing block 33 penetrates and extends into the inside of the clamping opening 320 and abuts against the middle frame 50, the middle frame 50 is clamped between the pressing block 33 and the inner wall of the clamping opening 320 to achieve clamping.

[0034] As Figure 4 shown, a through groove 321 is provided on one side of the fixed clamping jaw 32, and the through groove 321 communicates with the clamping opening 320 inwardly. The through groove 321 is used for the pressing block 33 to penetrate. Specifically, the pressing block 33 is connected to the fixed clamping jaw 32 through a pressing cylinder 330. The cylinder body of the pressing cylinder 330 is fixedly connected to the fixed clamping jaw 32, the piston rod of the pressing cylinder 330 is connected to the pressing block 33, and the pressing cylinder 330 drives the pressing block 33 to abut against the middle frame 50 located inside the clamping opening 320 to achieve clamping.

[0035] The movable clamping assembly 40 includes a hollow rotating platform 41 connected to the table board 10, a bearing plate 42 connected to one side of the turntable of the hollow rotating platform 41, a slide table cylinder 43 installed on the top surface of the bearing plate 42, a support plate 44 slidably connected to the slide table of the slide table cylinder 43, a movable clamping jaw 45 rotatably connected to the support plate 44, and a support arm 46 located below the second clamping jaw 35. The movable clamping jaw 45 and the fixed clamping jaw 32 are arranged opposite to each other, and the support arm 46 and the fixed support arm 31 are arranged opposite to each other. Specifically, the top surface of the support arm 46 is flush with the top surface of the fixed support arm 31 to support the middle frame 50 and ensure that the relative two ends of the middle frame 50 are at the same height, so that the folding line of the middle frame 50 coincides with the axis line of the static torque sensor 20, ensuring that relevant torque values can be accurately measured when the middle frame 50 is folded.

[0036] Among them, the hollow rotating platform 41 is coaxially arranged with the static torque sensor 20, and the slide table cylinder 43 is arranged along the radial direction of the static torque sensor 20.

[0037] In this embodiment, the support plate 44 is connected to the slide table of the slide table cylinder 43 through a guide rail pair, and the sliding direction of the support plate 44 is the same as the telescopic direction of the slide table cylinder 43.

[0038] The fixed jaw 32 and the movable jaw 45 are used to clamp the opposite ends of the middle frame 50. Specifically, in actual use, the fixed jaw 32 first clamps one end of the middle frame 50, and the movable jaw 45 is then pushed to gradually approach the other end of the middle frame 50 until the end is embedded in the inside of the movable jaw 45, thereby realizing the pre-positioning of the middle frame 50. After the pre-positioning is completed, the slide cylinder 43 is started to push the support plate 44 and the movable jaw 45 close to the middle frame 50. When the middle frame 50 is completely in contact with the inner wall of the movable jaw 45, the middle frame 50 is finally clamped. Subsequently, the hollow rotating platform 41 is started to drive the entire movable clamping assembly 40 to rotate, thereby realizing the folding operation of the middle frame 50. During this process, the static torque sensor 20 is always working to record the torque value generated when folding in real time. When the middle frame 50 is folded to the extreme position, relative rotation occurs between the movable jaw 45 and the support plate 44, effectively preventing the middle frame 50 from being damaged due to excessive folding. At this time, the measured value of the static torque sensor 20 will also tend to be stable and no longer change. This value is the final torque value of the folding operation. The entire process is ingeniously designed to ensure both the accuracy of the measurement and the safety of the middle frame. Since the movable jaw 45 has a certain length, the movable jaw 45 is pre-positioned, and the slide cylinder 43 is driven and completely clamped, which can adapt to middle frames 50 of different sizes, greatly improving the versatility and flexibility of the test and effectively reducing the test cost.

[0039] In this embodiment, the turntable of the hollow rotating platform 41 is coaxially connected to an adapter plate 410 arranged in a ring shape, and one side of the adapter plate 410 is used to connect to the supporting plate 42 to achieve the connection between the hollow rotating platform 41 and the supporting plate 42 .

[0040] The above-mentioned foldable middle frame torque testing device has a simple structure and is easy to use. A movable clamp 45 is slidably installed above the slide cylinder 43. The movable clamp 45 is used to pre-position the middle frame 50, and then the movable clamp 45 is driven by the slide cylinder 43 to completely clamp. It can adapt to middle frames 50 of different sizes, greatly improving the versatility and flexibility of the test and effectively reducing the test cost.

[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several variations and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A foldable middle frame torque testing device, characterized in that: include: tabletop; Static torque sensor fixedly mounted on the table; A fixed clamping assembly connected to the static torque sensor; the fixed clamping assembly includes a fixed support arm connected to the static torque sensor, and a fixed clamping claw connected to an end of the fixed support arm away from the static torque sensor; and A movable clamping assembly rotatably mounted on one side of the static torque sensor; the movable clamping assembly includes a hollow rotating platform connected to a table plate, a bearing plate connected to one side of a turntable of the hollow rotating platform, a slide cylinder mounted on the top surface of the bearing plate, a support plate of a slide slidably connected to the slide cylinder, a movable clamping jaw rotatably connected to the support plate, and a support arm located below the second clamping jaw; the movable clamping jaw is arranged opposite to the fixed clamping jaw, and the fixed clamping jaw and the movable clamping jaw are used to clamp the opposite ends of the middle frame; the top surface of the support arm is flush with the top surface of the fixed support arm, so that the folding line of the middle frame coincides with the axis line of the static torque sensor.

2. The foldable middle frame torque testing device according to claim 1, characterized in that: The hollow rotating platform is coaxially arranged with the static torque sensor, and the slide cylinder is arranged along the radial direction of the static torque sensor.

3. The foldable middle frame torque testing device according to claim 1, characterized in that: The support plate is connected to the slide of the slide cylinder through a guide rail pair, and the sliding direction of the support plate is consistent with the extension and contraction direction of the slide cylinder.

4. The foldable middle frame torque testing device according to claim 1, characterized in that: The turntable of the hollow rotating platform is coaxially connected with an adapter plate arranged in a ring shape, and one side of the adapter plate is used for connecting with the bearing plate.

5. The foldable middle frame torque testing device according to claim 1, characterized in that: The fixed clamping assembly also includes a pressure block that penetrates and extends into the interior of the fixed clamping jaw; a clamping opening is provided on the inner side of the fixed clamping jaw, and the clamping opening is used to accommodate one end of the middle frame. The pressure block penetrates and extends into the interior of the clamping opening and then abuts against the middle frame.

6. The foldable middle frame torque testing device according to claim 5, characterized in that: A through groove is arranged on one side of the fixed clamping jaw, the through groove is connected inwardly with the clamping opening, and the through groove is used for the pressure block to pass through.

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