TWI405960B - Instrument for testing rotation shafts of tablet computers - Google Patents

Description

Tablet rotary axis tester

The invention relates to the technical field of a tablet notebook computer testing machine, in particular to a tablet rotating shaft testing machine capable of obtaining support for extending the service life by 360 degrees rotation.

The hardware of a notebook computer usually has to undergo some tests, such as pivoting test of the shaft, drop test, and so on. Therefore, testing test computer-specific test machines have also emerged.

For example, China Patent No. 542351 discloses a "improved structure of a notebook computer shaft testing machine", which is mainly composed of a base, a test stand, a power unit, a pivot structure, a rocking frame, a baffle, etc., wherein the test The pedestal is erected on the pedestal, and one end of the swaying frame is pivotally connected to one side of the test stand by a pivoting structure, and the other end of the swaying frame is pivotally connected to the power device, and the damper frame is used to abut the top of the swaying frame The tested component is used to lift and close the component. With the above configuration, the notebook rotating shaft can be rotated at the maximum rotation angle to fully test the durability.

The aforementioned patented technology is mainly used to test the rotation axis between the screen of the notebook computer and the host computer, so that the lifting element and the closing action of the lifting component (ie, the screen) are continuously tested to test the durability of the rotating shaft structure.

However, for a tablet computer, the hinge that is placed between the screen and the main unit must be able to make the screen tilt and cover, and also allow the screen to rotate 180 degrees to the left and right, so it is useful. The test machine to test the rotation of the shaft was designed.

Please refer to Figure 1, which is a schematic diagram of the current tablet rotation tester. It is provided on a machine table 80 with an upright frame 81. The top of the frame body 81 is pivotally provided with a rotating shaft 82. The bottom end of the rotating shaft 82 is coupled with a movable frame 83, and the rotating shaft 82 is composed of a motor. 84 is driven by a pulley set 85, and the movable frame 83 is generally inverted U-shaped, and the screen 91 corresponding to the tested tablet 9 is provided with two jaws 831, and a clip is respectively disposed on both sides of the table 80. A holder 86 is used to clamp the portion of the body 92 of the tablet 9 to be tested.

When actually testing, it is necessary to simulate the condition of the user applying a single side of the screen to test, that is, only one of the jaws 831 is clamped to the screen 91 for testing, so as to simulate the action of the user's force, the reaction force will be The phenomenon that the movable frame 83 is tilted and twisted causes problems that will cause damage to the test machine during the test.

In view of the above, the main object of the present invention is to solve the above problems and provide a tablet rotating shaft testing machine, which is provided with an annular guide rail between the frame body and the movable frame, so that the movable frame can be supported by the 360 degree rotation for extended use. life.

In order to achieve the above objective, the tablet rotary shaft testing machine of the present invention is mainly composed of a machine table and a movable frame. The machine table is provided with an upright frame body, and a top of the frame body is pivotally provided with a rotating shaft. The rotating shaft is driven by a motor, and a clamping member is disposed on each side of the machine for clamping the tablet computer to be tested, and the movable frame is coupled to the bottom end of the rotating shaft, and The motor drives the movable frame to rotate. The movable frame is provided with two clamping jaws corresponding to the screen to be clamped on the screen of the tablet computer, and an annular guide rail is arranged between the movable frame and the frame body. To support the rotation of the movable frame.

Since the annular guide rail is in a 360-degree annular shape, when the movable frame is driven by the motor to hold the screen of the tablet computer, the reaction force of the tablet screen can be provided by the circular guide rail when acting on the movable frame. Support, to avoid problems such as tilting and twisting of the movable frame, thereby prolonging its service life.

Preferably, the upper portion of the rotating shaft is coupled with a driven pulley, and the motor is coupled with a driving pulley, and a toothed belt is disposed between the active pulley and the driven pulley, and the rotation can be driven by the motor. The shaft drives the movable frame to rotate.

Preferably, the movable frame has an upper cross bar, and two ends of the upper cross bar respectively extend downwardly, and a cross bar is arranged between the two vertical bars, and the two clamping jaws are combined and arranged The lower crossbar.

Preferably, the two uprights respectively have a longitudinal sliding slot, and the two ends of the lower crossbar extend into the two sliding slots and respectively lock a bolt, and the two bolts can be locked or loosened. The lower crossbar can be adjusted along the two chutes for use in tablets of different sizes.

Preferably, the lower crossbar is provided with a guiding slot along the longitudinal direction thereof, and the guiding slot is provided for the two clamping jaws to be slidably arranged, and each clamping jaw group respectively has a sliding block, and each sliding block is respectively Corresponding to the shape of the guide groove, respectively, is slidably disposed in the guide groove, and each of the sliders is respectively provided with a connecting rod, and the bottom ends of each connecting rod are respectively coupled with a clamp, and the distance between the two clamps can be adjusted. To hold the screen of tablets of different sizes.

Preferably, the annular guide rail has an upper ring and a lower ring, the upper ring is fixed to the frame body, and the lower ring is fixed to the movable frame, and a side of the upper ring adjacent to the lower ring is respectively provided with a semicircular groove. And a plurality of balls are disposed between the two semi-circular grooves, so that the upper ring and the lower ring can smoothly rotate relative to each other, and the movable frame is supported in rotation.

The detailed features and advantages of the present invention are described in detail in the embodiments of the present invention, which are to be understood by those of ordinary skill in the art. The objects and advantages associated with the present invention can be readily understood by those skilled in the art.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will be described in detail below with reference to the drawings.

Please refer to FIG. 2 to FIG. 4, FIG. 2 is a perspective view of the present invention; FIG. 3 is a partial enlarged view of the movable frame of the present invention; and FIG. 4 is a cross-sectional structural view of the circular guide of the present invention. Fig. 5 is a schematic view showing the state of use of the present invention.

The tablet rotary shaft testing machine 1 of the present invention is provided with an upright frame 11 on a machine table 10. The top of the frame body 11 is pivotally provided with a rotating shaft 12, and the bottom end of the rotating shaft 12 is combined with an activity. a carrier 2, the upper portion of the rotating shaft 12 is coupled with a driven pulley 14, and a motor 15 is disposed on one side of the machine 10. The motor 15 is coupled with a driving pulley 16, and is driven by the active pulley 16 A toothed belt 17 is disposed between the pulleys 14, and the rotating shaft 12 is driven by the motor 15, thereby driving the movable frame 2 to rotate. In addition, a clamping member 18 is disposed on each side of the machine table 10 for clamping the portion of the body 31 of the tablet computer 3 to be tested.

The movable frame 2 has an upper crossbar 21, and two ends of the upper crossbar 21 respectively extend downwardly with a vertical rod 22, 23, wherein the two vertical poles 22, 23 respectively have longitudinal sliding grooves 221, 231, and A crossbar 24 is disposed between the rods 22 and 23. The two ends of the lower crossbar 24 extend into the two sliding slots 221 and 231, and are respectively locked with a bolt 25; in the embodiment, each bolt 25 is a belt. The shank bolt; 锁 by the two bolts 25 to lock or loosen the two vertical rods 22, 23 and the lower crossbar 24, so that the lower crossbar 24 can be adjusted along the two sliding slots 221, 231 for different sizes. tablet.

The locking manner of each bolt 25 and the cross bar 24 may be in the form of a vertical intersection as shown in FIG. 2 or in the form of the same center line extension. When the bolts 25 and the crossbar 24 are in the form of a vertical intersection, the two poles 22, 23 must be separately provided with a long slot 222, 232 for the bolt 25; if the bolts 25 and the crossbar 24 are the same In the form of a center line extension, each bolt 25 can be directly received in the two sliding slots 221, 231.

The lower crossbar 24 is provided with a guiding groove 241 along its long axis direction. The guiding groove 241 has a cross shape in cross section, and the guiding groove 241 is provided for the two jaw groups 26 and 27 to be slidably arranged. . Each of the jaw sets 26, 27 has a slider 261, 271, and each of the sliders 261, 271 is slidably disposed in the guide groove 241 corresponding to the shape of the guide groove 241, and each slider 261 A connecting rods 262 and 272 are respectively arranged in the 271, and the bottom ends of the connecting rods 262 and 272 are respectively coupled with a clamp 263 and 273, and the two clamps 263 and 273 are clamped to the screen 32 of the tablet computer 3 to be tested.

An annular guide 28 is disposed between the frame 11 and the upper crossbar 21 of the movable frame 2 to support the rotation of the movable frame 2. The annular guide 28 has an upper ring 281 and a lower ring 282. The upper ring 281 is The lower ring 282 is fixed to the crossbar 21, and the upper ring 281 and the lower ring 282 are respectively adjacent to one side of the circular ring 283, 284, and the two semicircular grooves 283, A plurality of balls 285 are disposed between the 284 so that the upper ring 281 and the lower ring 282 can smoothly rotate relative to each other, and the movable frame 2 can obtain sufficient support in 360-degree rotation to avoid the tilting of the movable frame 2, The phenomenon of reversal.

Please refer to Fig. 5, which is a schematic view showing the state of use of the present invention. The tested tablet computer 3 is placed on the machine table 10, and then the position of the tablet computer 3 is adjusted, so that the rotating shaft 33 of the tablet computer 3 is located below the rotating shaft 12, and the flat plate is clamped by the two clamping members 18. The body 31 of the computer 3 is partially and the height of the lower rail 24 and the positions of the two jaw groups 26, 27 are adjusted such that the two clamps 263, 273 are clamped to the screen 32 of the tablet 3.

Next, the automatic control device starter motor 15 drives the rotating shaft 12 to drive the movable frame 2 to repeatedly rotate 180 degrees left and right, and the durability of the rotating shaft 33 of the tablet computer 3 is tested.

Since the present invention provides an annular guide 28 between the frame 11 and the upper crossbar 21 of the movable frame 2, the movable frame 2 can obtain sufficient support in a 360 degree rotation angle without being generated. The movable frame 2 is inclined and twisted, so that the service life of the tablet rotating shaft testing machine can be effectively extended.

Referring again to Fig. 6, there is shown a schematic structural view of a second embodiment of the present invention. The ring guide 68 has a ring body 681, the ring body 681 is fixed to the frame body 51, and the bottom surface of the ring body 681 has an annular guide groove 682, and the movable frame 6 corresponds to the guide groove of the ring body 681. 682 is provided with two rollers 683 spaced apart, and each roller 683 is mounted on the movable frame 6 by a wheel carrier 684, so that the movable frame 6 can be supported in rotation, and can be the same as the first embodiment. The effect.

The above description is only intended to describe the preferred embodiments or embodiments of the present invention, which are not intended to limit the scope of the invention. That is, the equivalent changes and modifications made in accordance with the scope of the patent application of the present invention or the scope of the invention are covered by the scope of the invention.

1. . . Tablet rotary axis tester

10. . . Machine

11. . . Frame

12. . . Rotary axis

14. . . Driven pulley

15. . . motor

16. . . Active pulley

17. . . Tooth belt

18. . . Clamping piece

2. . . Activity frame

twenty one. . . Upper rail

22, 23. . . Pole

221, 231. . . Chute

222, 232. . . Long slot

twenty four. . . Lower crossbar

241. . . Guide slot

25. . . bolt

26, 27. . . Jaw set

261, 271. . . Slider

262, 272. . . Connecting rod

263, 273. . . Fixture

28. . . Ring guide

281. . . Sheung Wan

282. . . Lower ring

283, 284. . . Semicircular groove

285. . . Ball

3. . . tablet

31. . . Body

32. . . Screen

33. . . Rotary axis

51. . . Frame

6. . . Activity frame

68. . . Ring guide

681. . . Ring body

682. . . Guide slot

683. . . Wheel

684. . . Wheel carrier

80. . . Machine

81. . . Frame

82. . . Rotary axis

83. . . Activity frame

831. . . Jaws

84. . . motor

85. . . Pulley set

86. . . Clamping piece

9. . . tablet

91. . . Screen

92. . . Body

Figure 1 is an external view of the existing notebook computer;

Figure 2 is a cross-sectional structural view of the line A-A in Figure 1;

Figure 3 is a schematic diagram of the force of the existing notebook computer card structure;

Figure 4 is a schematic cross-sectional view of the present invention;

Figure 5 is a schematic view of the impact force of the present invention; and

Figure 6 is a schematic view showing the structure of a second embodiment of the present invention.

1. . . Tablet rotary axis tester

10. . . Machine

11. . . Frame

12. . . Rotary axis

14. . . Driven pulley

15. . . motor

16. . . Active pulley

17. . . Tooth belt

18. . . Clamping piece

2. . . Activity frame

twenty one. . . Upper rail

22, 23. . . Pole

twenty four. . . Lower crossbar

25. . . bolt

26, 27. . . Jaw set

28. . . Ring guide

Claims (10)

A tablet rotary shaft testing machine includes: a machine platform on which an upright frame body is disposed, a top of the frame body is pivotally provided with a rotating shaft, and the rotating shaft is driven by a motor to rotate, And a clamping member is disposed on each side of the machine for clamping the tablet computer to be tested; and a movable frame is coupled to the bottom end of the rotating shaft, and the movable frame can be rotated by the motor, the activity The frame corresponding to the tested tablet is provided with two jaw sets for clamping on the screen of the tablet computer, and an annular rail is arranged between the movable frame and the frame body to support the rotation of the movable frame. The tablet rotary shaft testing machine according to claim 1, wherein the upper portion of the rotating shaft is coupled with a driven pulley, and the motor is disposed on one side of the machine, and the motor is combined with a driving pulley. A toothed belt is disposed between the active leather wheel and the driven pulley, and the rotating shaft is driven by the motor to drive the movable frame to rotate. The tablet rotary shaft testing machine according to claim 1, wherein the movable frame has an upper cross bar, and two ends of the upper cross bar respectively extend downwardly and are erected between the two vertical bars. The crossbar is next, and the two jaw sets are combined and disposed on the lower crossbar. The tablet rotary shaft testing machine according to claim 3, wherein the two vertical rods respectively have a longitudinal sliding groove, and both ends of the lower horizontal rod extend into the two sliding slots and are respectively locked with a The bolts are locked or loosened by the two bolts so that the lower rail can be adjusted to be displaced along the two chutes. The tablet rotary shaft testing machine according to the fourth aspect of the patent application, wherein each bolt is a handle bolt. The tablet rotary shaft testing machine according to claim 4, wherein each of the bolts and the crossbar are in the form of a vertical intersection, and the two poles are respectively provided with a long slot for the bolt to be accommodated. The tablet rotary shaft testing machine according to claim 1, wherein the lower crossbar is provided with a guiding groove along a longitudinal direction thereof, and the guiding groove is provided for the two clamping jaws to be slidably arranged. Each of the jaw sets has a slider, and each of the sliders is slidably disposed in the guide groove corresponding to the shape of the guide groove, and each of the sliders is respectively provided with a connecting rod, and each connecting rod bottom The ends are respectively coupled with a clamp, and the two clamps hold the screen of the tablet under test. The tablet rotating shaft testing machine according to claim 1, wherein the annular rail has an upper ring and a lower ring, the upper ring is fixed to the frame, and the lower ring is fixed to the movable frame, and the lower ring is fixed to the movable frame, and the lower ring is fixed to the movable frame, and the lower ring is fixed to the movable frame A side of the upper ring adjacent to the lower ring is respectively provided with a semicircular groove, and a plurality of balls are disposed between the two semicircular grooves, so that the upper ring and the lower ring can smoothly rotate relative to each other, and the movable frame is supported in rotation. The tablet rotary shaft testing machine according to the first aspect of the invention, wherein the annular guide rail has a ring body, the ring system is fixed to the frame body, and the movable frame is provided with two rollers corresponding to the ring body, respectively The roller bodies are respectively mounted on the movable frame by a wheel frame, so that the movable frame can be supported during rotation. The tablet rotary shaft testing machine according to claim 9, wherein the bottom surface of the ring body has an annular guide groove, and the two roller rollers are disposed corresponding to the guide groove.