Laptop rotating shaft service life testing machine

By designing a laptop hinge life testing machine, and utilizing a clamping device and a rotation drive device, the problems of inconvenient clamping and damage to the computer in existing equipment have been solved, and high-precision hinge life testing has been achieved.

CN223179752UActive Publication Date: 2025-08-01DONGGUAN GAOXIANG MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202422292611.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-08-01
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

Existing laptop hinge life testing equipment suffers from problems such as inconvenient clamping and easy damage to the computer.

Method used

A laptop computer hinge life testing machine was designed, including a base plate, a torque detection device, a swing device, a clamping device, and a mounting fixture. The product is fixed by the clamping device, and the swing arm is driven to swing by the rotary drive device. The torque value is detected by the torque sensor to achieve high-precision life testing.

Benefits of technology

It enables rapid and accurate shaft life detection, avoiding damage during equipment clamping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a notebook computer rotating shaft service life testing machine. The notebook computer rotating shaft service life testing machine comprises a bottom plate, a torsion detection device, a swinging device, a clamping device and a clamping jig, the torsion detection device and the swinging device are distributed on the bottom plate left and right; the torsion detection device comprises a supporting plate, a torsion sensor and a connecting frame; the supporting plate is fixed on the bottom plate; the connecting frame is installed on the right side of the supporting plate through the torsion sensor. The clamping device is fixed to the connecting frame and used for clamping and fixing the clamping jig. The clamping jig comprises a lower clamping seat and an upper clamping plate; the upper clamping plate is locked on the lower clamping seat through a screw, and a fixing piece of a product is clamped and fixed between the upper clamping plate and the lower clamping seat; the swinging device comprises a rotary driving device, a swinging arm, a connecting block and two limiting columns; the rotation driving device is installed on the bottom plate, and the power output end is connected with one end of the swing arm and used for driving the swing arm to swing around the X axis. The connecting block is mounted on the left of the swing arm; and the two limiting columns are distributed and mounted on the connecting block up and down.
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Description

Technical Field

[0001] The utility model relates to the technical field of detectors, and particularly relates to a life tester for a notebook computer hinge. Background Art

[0002] During the use of a notebook computer, the screen often needs to be flipped. Therefore, during the production process, it is necessary to detect the life of the hinge part to check whether the rotation torque can be maintained at a certain value under a certain number of flips. Conventional testers usually detect the assembled notebook computer, which is inconvenient to clamp and is likely to cause damage to the computer during the detection process. Therefore, improvements are still needed. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a life tester for a notebook computer hinge to solve the problems mentioned in the background art.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A life tester for a notebook computer hinge includes a bottom plate, a torque detection device, a swinging device, a clamping device, and a clamping fixture; the torque detection device and the swinging device are installed on the bottom plate in a left-right distribution; the torque detection device includes a support plate, a torque sensor, and a connecting frame; the support plate is fixed on the bottom plate; the connecting frame is installed on the right side of the support plate through the torque sensor; the clamping device is fixed on the connecting frame and is used for clamping and fixing the clamping fixture; the clamping fixture includes a lower clamping seat and an upper clamping plate; the upper clamping plate is locked to the lower clamping seat by screws, and the fixing piece of the product is clamped and fixed between the upper clamping plate and the lower clamping seat; the swinging device includes a rotary driving device, a swing arm, a connecting block, and two limit posts; the rotary driving device is installed on the bottom plate and the power output end is connected to one end of the swing arm for driving the swing arm to swing around the X axis; the connecting block is installed on the left side of the swing arm; the two limit posts are installed on the connecting block in an up-down distribution; a gap for the movable piece of the product to pass through is reserved between the two limit posts.

[0006] For a further description of the utility model, the clamping device includes a sliding seat and two groups of locking components symmetrically installed on the sliding seat left and right; the locking components include fixing blocks, pressing screws, and clamping blocks; the fixing blocks are fixed on the sliding seat; the clamping blocks are slidably connected to the sliding seat left and right; the pressing screws are installed on the fixing blocks and the ends are used for pushing the clamping blocks to move towards the middle of the sliding seat; support bosses are provided on the opposite sides of the clamping blocks of the two groups of locking components; the clamping device supports and clamps the lower clamping seat through the two clamping blocks.

[0007] For further description of the present utility model, the rotary driving device includes a mounting base, a reduction motor, a driving wheel, a driven wheel, a synchronous belt and a mounting shaft; the mounting base is fixed on the bottom plate; the reduction motor is fixed at the lower part of the mounting base and the power output end is connected with the driving wheel; the mounting shaft is rotatably connected to the mounting base and the left end is connected with one end of the swing arm; the driven wheel is fixed on the mounting shaft; the synchronous belt is drivingly connected between the driving wheel and the driven wheel.

[0008] For further description of the present utility model, an inductor is fixed at the right end of the mounting shaft; a limit induction plate is installed on the right side of the upper part of the mounting base; the inductor cooperates with the limit induction plate to limit the swing amplitude of the swing arm.

[0009] For further description of the present utility model, a first strip-shaped hole is arranged longitudinally on the swing arm; the connecting block is installed on the right side of the first strip-shaped hole in a position-adjustable manner in the front-back direction; a second strip-shaped hole is arranged vertically on the connecting block; two limit posts are respectively installed on the right side of the second strip-shaped hole in a position-adjustable manner in the up-down direction.

[0010] The beneficial effects of the present utility model are as follows:

[0011] In this design, the product is fixed by the clamping fixture, the fixing piece in the product is pressed against the lower clamping seat by the upper clamping plate, then the clamping fixture is placed on the clamping device, the clamping device clamps and fixes the clamping fixture, and the movable piece in the product is passed through between the two limit posts. The rotary driving device is controlled to start, and the rotary driving device drives the swing arm to swing, so as to drive the movable piece to swing back and forth through the limit posts, and the torque value during the swinging process is detected by the torque sensor. After a certain number of flipping times, when the torque value is lower than the standard value, it stops, so as to detect the life of the rotating shaft. This method can quickly clamp and fix the product and complete the life detection of the rotating shaft with high precision. Description of the Drawings

[0012] Figure 1 is the overall structure diagram of the present utility model;

[0013] Figure 2 is the front view of the present utility model;

[0014] Figure 3 is Figure 1 the partial enlarged view of A in Detailed Embodiment

[0015] The present utility model will be further described below with reference to the drawings:

[0016] As Figures 1-3As shown in the figure, a life test machine for the hinge of a notebook computer includes a bottom plate 1, a torque detection device 2, a swing device 3, a clamping device 4 and a clamping fixture 5. The torque detection device 2 and the swing device 3 are installed on the bottom plate 1 in a left-right distribution. The torque detection device 2 includes a support plate 21, a torque sensor 22 and a connecting frame 23. The support plate 21 is fixed on the bottom plate 1. The connecting frame 23 is installed on the right side of the support plate 21 through the torque sensor 22. The clamping device 4 is fixed on the connecting frame 23 and is used to clamp and fix the clamping fixture 5. The clamping fixture 5 includes a lower clamp seat 51 and an upper clamping plate 52. The upper clamping plate 52 is locked to the lower clamp seat 51 by screws, and the fixing piece 101 of the product is clamped and fixed between the upper clamping plate 52 and the lower clamp seat 51. The swing device 3 includes a rotation driving device 31, a swing arm 32, a connecting block 33 and two limit posts 34. The rotation driving device 31 is installed on the bottom plate 1 and the power output end is connected to one end of the swing arm 32, which is used to drive the swing arm 32 to swing around the X axis. The connecting block 33 is installed on the left side of the swing arm 32. The two limit posts 34 are installed on the connecting block 33 in an up-down distribution. A gap is reserved between the two limit posts 34 for the movable piece 102 of the product to pass through. The hinge 103 of the notebook computer is connected between the fixing piece 101 and the movable piece 102. The fixing piece 101 is pressed against the lower clamp seat 51 by the upper clamping plate 52. Then, the clamping fixture 5 is placed on the clamping device 4, and the clamping device 4 clamps and fixes the clamping fixture 5, and the movable piece 102 in the product is passed through between the two limit posts 34. The rotation driving device 31 is controlled to start, and the rotation driving device 31 drives the swing arm 32 to swing, so as to drive the movable piece 102 to swing back and forth through the limit posts 34, and the torque value during the swing process is detected by the torque sensor 22. After a certain number of flipping times, when the torque value is lower than the standard value, it stops, so as to detect the life of the hinge 103. This method can quickly clamp and fix the product and complete the life detection of the hinge 103 with high precision.

[0017] The clamping device 4 includes a sliding seat 41 and two groups of locking components 42 symmetrically installed on the sliding seat 41 from left to right. The locking component 42 includes a fixing block 421, a pressing screw 422 and a clamping block 423. The fixing block 421 is fixed on the sliding seat 41. The clamping block 423 is slidably connected to the sliding seat 41 from left to right. The pressing screw 422 is installed on the fixing block 421 and the end is used to push the clamping block 423 to move towards the middle of the sliding seat 41. On the opposite side of the clamping blocks 423 of the two groups of locking components 42, there are support bosses 4231. The clamping device 4 supports and clamps the lower clamp seat 51 through the two clamping blocks 423. The clamping fixture 5 with the fixing piece 101 fixed is placed on the two clamping blocks 423, and the movable piece 102 passes through between the two support columns. Then, by adjusting the pressing screw 422, the clamping block 423 is pushed towards the middle to press the lower clamp seat 51, and the installation of the product is completed and waiting for detection.

[0018] The rotation driving device 31 includes a mounting base 311, a reduction motor 312, a driving pulley 313, a driven pulley 314, a synchronous belt, and a mounting shaft 316. The mounting base 311 is fixed on the bottom plate 1. The reduction motor 312 is fixed to the lower part of the mounting base 311, and the power output end thereof is connected to the driving pulley 313. The mounting shaft 316 is rotatably connected to the mounting base 311, and the left end thereof is connected to one end of the swing arm 32. The driven pulley 314 is fixed on the mounting shaft 316. The synchronous belt is drivingly connected between the driving pulley 313 and the driven pulley 314. The reduction motor 312 drives the driving pulley 313 to rotate, the driving pulley 313 drives the driven pulley 314 to rotate through the synchronous belt, and the driven pulley 314 drives the swing arm 32 to swing through the mounting shaft 316.

[0019] A sensor 3151 is fixed to the right end of the mounting shaft 315. A limit induction plate 316 is mounted on the right side of the upper part of the mounting base 311. The sensor 3151 and the limit induction plate 316 cooperate to limit the swing amplitude of the swing arm 32.

[0020] A first elongated hole 321 arranged longitudinally is provided on the swing arm 32. The connecting block 33 is mounted on the right side of the first elongated hole 321 in a position-adjustable manner in the front-back direction. A second elongated hole 331 arranged vertically is provided on the connecting block 33. Two limit posts 34 are respectively mounted on the right side of the second elongated hole 331 in a position-adjustable manner in the up-down direction to adapt to the detection of products of different specifications.

[0021] The above does not impose any limitation on the technical scope of the present invention. Any modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A notebook computer hinge life testing machine, characterized in that: It includes a bottom plate, a torsion detection device, a swing device, a clamping device and a clamping fixture; the torsion detection device and the swing device are installed on the bottom plate in a left-right distribution; the torsion detection device includes a support plate, a torsion sensor and a connecting frame; the support plate is fixed on the bottom plate; the connecting frame is installed on the right side of the support plate through the torsion sensor; the clamping device is fixed on the connecting frame and is used for clamping and fixing the clamping fixture; the clamping fixture includes a lower clamp seat and an upper clamping plate; the upper clamping plate is locked to the lower clamp seat by screws to clamp and fix the fixing piece of the product between the upper clamping plate and the lower clamp seat; the swing device includes a rotary drive device, a swing arm, a connecting block and two limit posts; the rotary drive device is installed on the bottom plate and the power output end is connected to one end of the swing arm to drive the swing arm to swing around the X axis; the connecting block is installed on the left side of the swing arm; the two limit posts are installed on the connecting block in an up-down distribution; a gap for the movable piece of the product to pass through is reserved between the two limit posts.

2. The life testing machine for the hinge of a notebook computer according to claim 1, wherein: The clamping device includes a sliding seat and two groups of locking components symmetrically installed on the sliding seat left and right; the locking components include a fixed block, a pressing screw and a clamping block; the fixed block is fixed on the sliding seat; the clamping block is slidably connected to the sliding seat left and right; the pressing screw is installed on the fixed block and the end is used to push against the clamping block to move towards the middle of the sliding seat; on the opposite side of the clamping blocks of the two groups of locking components, there are support bosses; the clamping device supports and clamps the lower clamp seat through the two clamping blocks.

3. A notebook computer hinge life testing machine according to claim 1, characterized in that: The rotary drive device includes a mounting seat, a reduction motor, a driving wheel, a driven wheel, a synchronous belt and a mounting shaft; the mounting seat is fixed on the bottom plate; the reduction motor is fixed at the lower part of the mounting seat and the power output end is connected to the driving wheel; the mounting shaft is rotatably connected to the mounting seat and the left end is connected to one end of the swing arm; the driven wheel is fixed on the mounting shaft; the synchronous belt is connected between the driving wheel and the driven wheel in a transmission manner.

4. A notebook computer hinge life testing machine according to claim 3, characterized in that: An inductor is fixed at the right end of the mounting shaft; a limit induction plate is installed on the right side of the upper part of the mounting seat; the inductor and the limit induction plate cooperate to limit the swing amplitude of the swing arm.

5. A notebook computer hinge life testing machine according to claim 1, characterized in that: A first elongated hole is arranged longitudinally on the swing arm; the connecting block is installed on the right side of the first elongated hole in a position adjustable back and forth; a second elongated hole is arranged vertically on the connecting block; the two limit posts are respectively installed on the right side of the second elongated hole in a position adjustable up and down.