CN109490117A - Flexible screen test fixture - Google Patents
Flexible screen test fixture Download PDFInfo
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- CN109490117A CN109490117A CN201811543359.8A CN201811543359A CN109490117A CN 109490117 A CN109490117 A CN 109490117A CN 201811543359 A CN201811543359 A CN 201811543359A CN 109490117 A CN109490117 A CN 109490117A
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- flexible screen
- test fixture
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- arm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The present invention provides a kind of flexible screen test fixtures comprising jig main body and switching arm.Jig main body includes the first mounting portion and the second mounting portion being rotatably connected, and the first mounting portion and the second mounting portion are respectively used to the un-flexed area of fixed flexible screen；The both ends of switching arm are rotatably connected with the first mounting portion and the second mounting portion respectively；Jig main body is driven by drive shaft, so that the first mounting portion and the second mounting portion are close to each other or separate；When the first mounting portion and the second mounting portion close to each other, relief portion is collectively formed in the first mounting portion and the second mounting portion and switching arm, to accommodate the buckled zone of flexible screen.Switching arm both ends are rotatablely connected with the first mounting portion and the second mounting portion respectively, so that the un-flexed area's pivot center in flexible screen buckled zone two sides is not conllinear, while guaranteeing buckled zone crooked radian, the stress in flexible screen knee can also be reduced, the additional injuries of flexible screen are prevented, guarantee the accuracy of flexible screen flex life test.
Description
Technical field
The present invention relates to the technical field of flexible screen test, in particular to a kind of flexible screen test fixtures.
Background technique
Flexible screen, that is, flexible display screen, is mainly fabricated from a flexible material.Flexible screen is light-weight, non-breakable, variable because of its
The advantage of shape, is widely deployed in portable device.Due to the flexible display that directly affects of flexible screen bending property
Quality, therefore need in research and development and production process the number resistant to bending to flexible screen, i.e. flex life is tested.
Common flexible screen test device is to keep the two sides of flexible screen equal during testing flexible screen flex life at present
It turns down, to reach the bending state of flexible screen, but is easy that the knee of flexible screen is made to bear biggish stress in this way, make
At flexible screen additional injuries, the accuracy of bend test is influenced.
Summary of the invention
It is an object of the invention to solve in the prior art, flexible screen bending test apparatus is easy to make the knee of flexible screen
Biggish stress is born, the additional injuries of flexible screen are easily caused, the problem for causing flexible screen bend test accuracy poor.
In order to solve the above technical problems, the present invention provides a kind of flexible screen test fixture, including jig main body and switching arm,
Jig main body includes the first mounting portion and the second mounting portion being rotatably connected, first mounting portion and second mounting portion
It is respectively used to the un-flexed area of fixed flexible screen buckled zone two sides, is existed between first mounting portion and second mounting portion
For avoiding the relief portion of the buckled zone；It is installed respectively with first mounting portion and described second at the both ends of the switching arm
Portion is rotatably connected, and the jig main body is driven by drive shaft, so that first mounting portion is opposite with second mounting portion
Rotation, to keep first mounting portion and second mounting portion close to each other or separate；First mounting portion and described
When second mounting portion is close to each other, evacuation is collectively formed in first mounting portion and second mounting portion and the switching arm
Portion, to accommodate the buckled zone of the flexible screen.
As shown from the above technical solution, the invention has the benefit that
In flexible screen test fixture of the invention, the first mounting portion and the second mounting portion of jig main body are respectively used to fix
The un-flexed area of flexible screen two sides, the first mounting portion and the second mounting portion are rotatably connected by switching arm realization.First installation
When portion and the second mounting portion close to each other, the buckled zone of flexible screen can be accommodated in the first mounting portion and the second mounting portion and turn
It connects in the relief portion that arm is collectively formed, so that flexible screen is only bent in buckled zone when bending, to avoid un-flexed area
Bending.In addition, the both ends of switching arm are rotatably connected with the first mounting portion and the second mounting portion respectively, so that buckled zone two sides are non-
Buckled zone pivot center is not conllinear, while guaranteeing buckled zone crooked radian, can reduce the stress in flexible screen knee, prevents
The only additional injuries of flexible screen guarantee the accuracy of flexible screen flex life test.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of flexible screen test fixture embodiment of the present invention；
Fig. 2 is the structural schematic diagram of jig main body in flexible screen test fixture shown in FIG. 1；
Fig. 3 is the structural schematic diagram of one use state of jig main body shown in Fig. 2；
Fig. 4 is the swing arm of flexible screen test fixture shown in FIG. 1 and the structural schematic diagram of pedestal.
The reference numerals are as follows: 100, flexible screen test fixture；10, jig main body；11, the first mounting portion；111,
One support frame；1111, the first side arm；1112, the first linking arm；1114, the first engaging lug；112, the first mounting plate；113, block
Conjunction portion；12, the second mounting portion；121, the second support frame；1211, the second side arm；1212, the second linking arm；1214, the second connection
Ear；122, the second mounting plate；123, mounting hole；13, relief portion；14, operation portion；15, switching arm；151, first adapter；
152, the second adapter；153, switching pin；154, the first connecting pin；155, the second connecting pin；16, the first limiting section；161,
One confined planes；17, the second limiting section；171, the second confined planes；18, container；191, locating slot；192, positioning region；20, it puts
Arm；21, the first swing rod；211, shaft；22, the second swing rod；23, connecting rod；24, via hole；30, drive shaft；40, pedestal；41, solid
Fixed board；42, bottom plate；43, erecting bed；431, fastener hole；44, accommodation groove；45, block is abutted.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Principle and structure in order to further illustrate the present invention carry out the preferred embodiment of the present invention now in conjunction with attached drawing detailed
It describes in detail bright.
The embodiment of the present application provides a kind of flexible screen test fixture, is mainly used for testing flexible screen number resistant to bending, from
And determine the fatigue life of flexible screen.
According to the difference of overbending direction, flexible screen can be divided into infolding screen and be folded outward screen.It is flexible wherein after the bending of infolding screen
The display surface of screen is in inside；After being folded outward screen bending, the display surface of flexible screen is on the outside.Flexible screen is carrying out flex life test
When, the region that arcuate structure is formed in flexible screen is buckled zone, and the region of buckled zone two sides is un-flexed area in flexible screen.Bending
The adjacent sideline in area and un-flexed area is transition sideline, flexible screen in bending institute around axis be bent-axis, transition sideline
It is parallel with bent-axis.
Refering to fig. 1, the flexible screen test fixture 100 of the present embodiment includes jig main body 10 and switching arm 15.Specifically, it controls
Having main body 10 includes the first mounting portion 11 and the second mounting portion 12, and the second mounting portion 12 is rotatably connected with the first mounting portion 11,
First mounting portion 11 and the second mounting portion 12 are respectively used to the un-flexed area of fixed flexible screen buckled zone two sides.The two of switching arm 15
End is rotatably connected with the first mounting portion 11 and the second mounting portion 12 respectively, and jig main body 10 is driven by drive shaft 30, so that the
One mounting portion 11 and the second mounting portion 12 relatively rotate, to keep the first mounting portion 11 and the second mounting portion 12 close to each other or remote
From.When the first mounting portion 11 and the second mounting portion 12 close to each other, the first mounting portion 11 and the second mounting portion 12 and switching arm
15 are collectively formed relief portion 13, to accommodate the buckled zone of flexible screen.
It is first non-curved by two of flexible screen when using the fatigue life of the flexible screen test fixture 100 detection flexible screen
Bent area is separately fixed on the first mounting portion 11 and the second mounting portion 12, and so that buckled zone is corresponded to relief portion 13, then make drive shaft
30 driving jig main bodys 10 act, and make the first mounting portion 11 close to or far from the second mounting portion 12, so that it is curved that buckled zone occurs
Folding, two un-flexed areas are close to each other or separate, can bend number with determine flexible screen.
Further, in the present embodiment, the first mounting portion 11 includes the first support frame 111 and the first mounting plate 112, the
The inside of the first support frame 111 is arranged in one mounting plate 112.First support frame 111 is U-shaped comprising a pair of parallel and opposite
First linking arm 1112 of two 1111 ends of the first side arm of the first side arm 1111 and connection being arranged.First mounting plate 112
It is arranged in the space that the first side arm 1111 and the first linking arm 1112 enclose, the surface of the first mounting plate 112 is soft for fixing
A wherein un-flexed area for property screen.
Second mounting portion 12 includes the second support frame 121 and the second mounting plate 122, and the second mounting plate 122 is arranged second
The inside of support frame 121.Second support frame 121 is U-shaped comprising a pair of parallel and the second side arm 1211 for being oppositely arranged and
Connect the second linking arm 1212 of two 1211 ends of the second side arm.The setting of second mounting plate 122 is in the second side arm 1211 and the
In the space that two linking arms 1212 enclose, the surface of the second mounting plate 122 is used to fix another un-flexed area of flexible screen.
In the present embodiment, it is equipped with interval between the first mounting plate 112 and the second mounting plate 122, is divided into relief portion between being somebody's turn to do
13, it to avoid the buckled zone of flexible screen, prevents flexible screen from causing excessive damage in the process of bending, guarantees the accurate of test
Property.In addition, relief portion 13 can also be the escape groove being arranged between the first mounting plate 112 and the second mounting plate 122, escape groove
It is corresponding with the buckled zone of flexible screen, and for accommodating buckled zone when flexible screen bending state.
Flexible screen is by adhesive adherence in the first mounting plate 112 and the second installation before carrying out flex life test
On plate 122.In second mounting portion 12 of the present embodiment, the second mounting plate 122 side opposite with the second linking arm 1212 it
Between be equipped with notch, the notch constitute operation portion 14.By operation portion 14, tester is convenient for picking and placing in jig main body 10 flexible
Screen.In some other embodiment, operation portion 14 can be the groove that slot bottom is lower than the second mounting plate 122.In addition, operation portion 14
It can also be arranged in the first mounting portion 11.
Further, referring to Fig.2, the first mounting portion 11 and the second mounting portion 12 are respectively provided with the receipts of receiving flexible screen
Tank 18.The container 18 of first mounting portion 11 is formed between the inner sidewall of the first support frame 111 and the first mounting plate 112,
The container 18 of second mounting portion 12 is formed between the inner sidewall of the second support frame 121 and the second mounting plate 122.
In the present embodiment, the depth of container 18 is greater than the thickness of flexible screen.When flexible screen is attached to the first mounting plate
112 and second on mounting plate 122, and when being housed in container 18, and the display surface of flexible screen is lower than the first support frame 111 and the
The surface of two support frames 121.Such setting can avoid the display surface of flexible screen from touching in flexible screen test process,
Reduce flexible screen additional damage, it is ensured that the accuracy of test data.
As shown in Figures 2 and 3, the open end of the first support frame 111 is opposite with the open end of the second support frame 121, and the
End of one side arm 1111 far from the first linking arm 1112 can turn with the second side arm 1211 far from the end of the second linking arm 1212
Dynamic connection.
In the present embodiment, switching arm 15 is equipped with two groups, and the end of the first side arm 1111 and the second side arm 1211 leads to respectively
One group of switching arm 15 is crossed to be rotatably connected, two groups of switching arms 15 be arranged in the first mounting plate 112 and the second mounting plate 122 it
Between the two sides that are spaced.
Specifically, one end of switching arm 15 and the end of the first side arm 1111 are rotatably connected, the other end of switching arm 15
It is rotatably connected with the end of the second side arm 1211, so that the first mounting portion 11 can be rotated relative to the second mounting portion 12.It is logical
Setting switching arm 15 is crossed, the overturning between the first mounting portion 11 and the second mounting portion 12 can be made more smooth, while can make soft
Property screen be in gradual change type bending, avoid flexible screen buckled zone bending radian generate mutation.
In the present embodiment, switching arm 15 includes the first adapter 151 being rotatably connected and the second adapter 152.Its
Middle first adapter 151 is in H-type, and the both ends of the first adapter 151 form U-shaped switching slot, the end of the second adapter 152
It is disposed therein in a switching slot, and is rotatably connected by pin 153 of transferring.
The end of the first side arm 1111 and the second adapter 152 are rotatablely connected in the present embodiment, the end of the second side arm 1211
Portion and first adapter 151 are rotatablely connected.A pair of first engaging lug 1114 of the outside projection in the end of first side arm 1111, two the
Link slot is constituted between one engaging lug 1114, the end of the second adapter 152 is arranged in the link slot, and passes through the first connection
Pin 154 is rotatably connected.The end convex of second side arm 1211 is equipped with the second engaging lug 1214, the setting of the second engaging lug 1214
It is rotatably connected in another switching slot of first adapter 151, and through the second connecting pin 155.
In the present embodiment, when flexible screen is fixed in jig main body 10, the bent-axis and switching pin 153 of flexible screen
Axis collinear, the axis of the axis of the first connecting pin 154 and the second connecting pin 155 respectively with two transition sidelines of flexible screen
Collinearly.Such setting can make flexible screen in test closer to use state, prevent bending and the buckled zone in un-flexed area
Overflexing, and the problem for avoiding flexible screen knee stress excessive, to ensure the accuracy of test data.First installation simultaneously
Portion 11 and the junction of the second mounting portion 12 are located at the outside of relief portion 13, can to avoid when flexible screen is bent switching arm 15 it is right
The influence of flexible screen prevents flexible screen additional injuries.
It is appreciated that in the above-described embodiments, first adapter 151 can also be rotatablely connected with the first side arm 1111, the
Two adapters 152 can be rotatablely connected with the second side arm 1211, and the connection type between each component is same as the previously described embodiments,
This is repeated no more.Meanwhile first side arm 1111 can also realize and be rotatably connected by other means with the second side arm 1211, such as
Hingedly or by rotating axis connection.In addition, the adapter of the present embodiment can also be three, four etc., as long as can guarantee
In bending range bending occurs for the buckled zone of flexible screen, and bending radian will not generate mutation.
Further, the first side arm 1111 is equipped with the first limiting section 16, second side far from the end of the first linking arm 1112
Arm 1211 is equipped with the second limiting section 17, and the second limiting section 17 and 16 phase of the first limiting section far from the end of the second linking arm 1212
Adaptation.When the first mounting portion 11 is rotated far from the second mounting portion 12, and first limiting section 16 that arrives is abutted against with the second limiting section 17
When, the first mounting portion 11 stops operating, and the first mounting plate 112 and the second mounting plate 122 are generally aligned in the same plane.
Specifically, the first limiting section 16 and the second limiting section 17 are L-shaped.One end of first limiting section 16 is fixed on first
The surface of side arm 1111, the other end exceed the end of the first side arm 1111 outward, and the outer end face of first limiting section 16 is first
Confined planes 161.Corresponding first limiting section 16 setting of second limiting section 17, one end of the second limiting section 17 is fixed on the second side arm
1211 surface, the other end exceed the end of the second side arm 1211 outward, and the outer end face of the second limiting section 17 is the second confined planes
171.In the present embodiment, the first confined planes 161 and the second confined planes 171 are inclined-plane.
When the first mounting portion 11 is rotated far from the second mounting portion 12, and arrive the first confined planes 161 and the second confined planes 171 paste
When conjunction, the first mounting portion 11 stops operating, and 17 mating reaction of the first limiting section 16 and the second limiting section, prevents flexible screen from existing at this time
It bends and rotates except range, avoids the overflexing of flexible screen, reduces the unnecessary damage of flexible screen.
When first limiting section 16 and the second limiting section 17 abut against, the first mounting plate 112 and the second mounting plate 122 are for solid
The surface for determining the non-bent area of flexible screen is generally aligned in the same plane, on the one hand convenient for flexible screen in the first mounting plate 112 and the second installation
On the other hand attaching on plate 122 can guarantee flexible screen integrity degree in non-bending state.
It should be noted that first limiting section 16 and the second limiting section 17 of the present embodiment are not limited to L-type structure, only
When wanting the first limiting section 16 and the second 17 mating reaction of limiting section, the first mounting portion 11 can be guaranteed relative to the second mounting portion 12
It is rotated within the scope of the bending of flexible screen, avoids the reversed bending of flexible screen.
In addition, in first support frame 111 and the second support frame 121 of the present embodiment, the surface of the first linking arm 1112
Equipped with locating slot 191, the surface convex of the second linking arm 1212 is equipped with positioning region 192.When the first mounting portion 11 towards second
Mounting portion 12 rotates, and when positioning region 192 is connected in locating slot 191, the first mounting portion 11 stops operating, and is guaranteeing that flexible screen is complete
While full bending, it can be avoided flexible screen bending and excessively cause the unnecessary damage of buckled zone.It is appreciated that the present embodiment
Locating slot 191 can also be arranged on the second linking arm 1212, positioning region 192 is correspondingly disposed in the first linking arm 1112
On.
In addition, the first mounting portion 11 can also only include the first mounting plate 112, the second mounting portion 12 can only include second
Mounting plate 122.The outside of the first mounting plate 112, the second mounting plate 122 is arranged in switching arm 15, so that 112 He of the first mounting plate
Second mounting plate 122 is rotatably connected, and forms relief portion 13 between.
Before flexible screen is tested, need that first flexible screen is mounted in jig main body 10.Specifically, the first peace of adjustment
The relative position in dress portion 11 and the second mounting portion 12 abuts against the first limiting section 16 and the second limiting section 17.By the first installation
Upward, flexible screen is placed in container 18, and is passed through for the surface that plate 112 and the second mounting plate 122 are used to fix flexible screen
Adhesive adherence is on the first mounting plate 112 and the second mounting plate 122, to complete installation of the flexible screen in jig main body 10.
Further, refering to fig. 1 with 4, the flexible screen test fixture 100 of the present embodiment further includes pedestal 40 and rotatable peace
The swing arm 20 of dress on the base 40 it.Swing arm 20 is detachably connected with the first mounting portion 11, and the second mounting portion 12 is fixedly connected on bottom
On seat 40, the position of the corresponding relief portion 13 of swing arm 20 is equipped with drive shaft 30.
In the present embodiment, swing arm 20 includes the first swing rod 21 and the second swing rod 22 of a pair of opposite and parallel setting.
The end of first swing rod 21 and the second swing rod 22 is connected by connecting rod 23, is reinforcing the same of the integrally-built stability of swing arm 20
When, it is ensured that consistency when swing arm 20 rotates.In addition, swing arm 20 can also only include the first swing rod 21 and the second swing rod
22 or swing arm 20 be only an independent swing rod.
First swing rod, the 21 end convex of the present embodiment is equipped with shaft 211, and one end of pedestal 40 is equipped with fixed plate 41.The
One swing rod 21 is rotatably connected in fixed plate 41 by shaft 211, to realize being rotatably connected for swing arm 20 and pedestal 40.
The end of second swing rod 22 is connect with drive shaft 30, and drive shaft 30 can be the line shaft of motor, is also possible to and motor power
The axis of axis connection.
In the present embodiment, the axis collinear of the axis of shaft 211 and drive shaft 30, and the two with switching pin 153
Axis collinear.When motor effect drive shaft 30 rotates, the pivot center of drive shaft 30 is consistent with the switching axis of pin 153, can
So that flexible screen guarantees the bending state when test mode of flexible screen meets its use along bent-axis bending.
In addition, being equipped with via hole 24,11 two sides of the first mounting portion on first swing rod 21 and the second swing rod 22 of the present embodiment
Corresponding position on convex be equipped with holding section 113, the outside of two the first side arms 1111 is arranged in holding section 113.Holding section
113 are threaded through in via hole 24, and the first mounting portion 11 can be made to be removably mounted in swing arm 20.The hole of the via hole 24 of the present embodiment
Diameter is greater than the outer diameter of holding section 113, to provide shift motion as holding section 113 when the first mounting portion 11 is rotated.In addition, above-mentioned
In embodiment, clamping groove can also be set in swing arm 20, by the cooperation of clamping groove and holding section 113, to realize the first peace
Dress portion 11 is detachably connected with swing arm 20.
Further, in the present embodiment, pedestal 40 includes bottom plate 42 and erecting bed 43.Erecting bed 43 is close to bottom plate 42
Side setting, the surface of erecting bed 43 are higher than the surface of bottom plate 42, and the erecting bed 43 is for fixing the second mounting portion 12.
In second mounting portion 12 of the present embodiment, it is equipped with mounting hole 123 on two the second side arms 1211, the mounting hole
123 be waist hole.The position of the corresponding mounting hole 123 of erecting bed 43 is equipped with fastener hole 431, and fastener (not shown) is worn simultaneously
Mounting hole 123 and fastener hole 431 are crossed, so that the second mounting portion 12 is fixed on the base 40 it, which can be bolt, pin
Deng.
In the present embodiment, accommodation groove 44 is constituted between erecting bed 43 and bottom plate 42, to accommodate the first limiting section 16 and the
Two limiting sections 17, and buckled zone when can accommodate flexible screen bending state.In addition, bottom plate 42 is set far from the side of erecting bed 43
There is a pair of of abutting block 45, abuts block 45 for abutting 11 two the first side arms 1111 of the first mounting portion, in the first mounting portion 11
Lower section carry out limited support, the upper surface of the abutting block 45 is concordant with the upper surface of erecting bed 43.The flexible screen of the application is surveyed
Examination jig 100 can not only test the flex life for being folded outward screen, but also can test the flex life of infolding screen.
For being folded outward the test of screen flex life, as shown in Figure 1, test is folded outward in the jig main body 10 of screen, if with first
The surface that mounting plate 112 and the second mounting plate 122 are used to attach flexible screen is upper surface, the first limiting section 16 and the second limiting section
17 are respectively provided with the upper surface of the first support frame 111 and the second support frame 121, and locating slot 191 and positioning region 192 are then arranged first
The lower surface of linking arm 1112 and the second linking arm 1212.
It is folded outward screen and in jig main body 10 after fixed installation, jig main body 10 is overturned, keeps the display for being folded outward screen face-down,
The installation of jig main body 10 after again will be reverse is on the base 40 it.Specifically, by the cooperation of holding section 113 and via hole 24, make
One mounting portion 11 is detachably connected with swing arm 20, and is fixed on the second mounting portion 12 on erecting bed 43 by fastener.Driving
The movement of axis 30 rotates swing arm 20, so that the first mounting portion 11 be made to rotate relative to the second mounting portion 12, is folded outward the curved of screen with test
It has the allotted portion of life reduced by having or getting more than one deserves life.
Test for infolding screen flex life, test fixture are folded outward the test fixture substantially phase of screen with the present embodiment
Together, difference place essentially consists in, and tests in the jig main body 10 of infolding screen, if with the first mounting plate 112 and the second mounting plate
122 surface for attaching flexible screen is upper surface, and the first limiting section 16 and the second limiting section 17 are respectively provided with the first support frame 111
With the lower surface of the second support frame 121, locating slot 191 and positioning region 192 are then arranged in the first linking arm 1112 and the second connection
The upper surface of arm 1212.
After infolding screen is fixedly mounted in jig main body 10, then on the base 40 it by the installation of jig main body 10, infolding screen
Display is face-up.Specifically, by the cooperation of holding section 113 and via hole 24, connect the first mounting portion 11 detachably with swing arm 20
It connects, and is fixed on the second mounting portion 12 on erecting bed 43 by fastener.The movement of drive shaft 30 rotates swing arm 20, to make
First mounting portion 11 is rotated relative to the second mounting portion 12, to test the flex life of infolding screen.
For the flexible screen test fixture of the application, the first mounting portion and the second mounting portion of jig main body are respectively used to solid
Determine the un-flexed area of flexible screen two sides, the first mounting portion is detachably connected with swing arm, and drive shaft drives jig main body, can make first
Mounting portion is close to or far from the second mounting portion, thus make the buckled zone of flexible screen that bending occur, it can be curved with determine flexible screen
Roll over number.The test fixture overall structure is simple, can realize that the first mounting portion turns with respect to the second mounting portion by drive shaft
It is dynamic, it operates relatively convenient.Meanwhile first mounting portion and the second mounting portion be rotatably connected by switching arm realization, first
When mounting portion and the second mounting portion close to each other, the buckled zone of flexible screen can be accommodated in the first mounting portion and the second mounting portion with
And in the relief portion that is collectively formed of switching arm, so that flexible screen is only bent in buckled zone when bending, to avoid un-flexed
The bending in area.In addition, the both ends of switching arm are rotatably connected with the first mounting portion and the second mounting portion respectively, so that buckled zone two
The un-flexed area's pivot center in side is not conllinear, while guaranteeing buckled zone crooked radian, can reduce answering for flexible screen knee
Power prevents the additional injuries of flexible screen, guarantees the accuracy of flexible screen flex life test.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (11)
1. a kind of flexible screen test fixture characterized by comprising
Jig main body, including the first mounting portion and the second mounting portion being rotatably connected, first mounting portion and described second
Mounting portion is respectively used to the un-flexed area of fixed flexible screen buckled zone two sides；And
Switching arm, the both ends of the switching arm are rotatably connected with first mounting portion and second mounting portion respectively；Institute
It states jig main body to be driven by drive shaft, so that first mounting portion and second mounting portion relatively rotate, to make described
First mounting portion and second mounting portion are close to each other or separate；First mounting portion and second mounting portion mutually lean on
When close, relief portion is collectively formed in first mounting portion and second mounting portion and the switching arm, described soft to accommodate
The buckled zone of property screen.
2. flexible screen test fixture according to claim 1, which is characterized in that the switching arm includes multiple adapters,
It is rotatably connected between the two neighboring adapter.
3. flexible screen test fixture according to claim 1, which is characterized in that first mounting portion includes for fixing
First mounting plate in a wherein un-flexed area for the flexible screen, second mounting portion includes for fixing the flexible screen
Second mounting plate in another un-flexed area；It is equipped with interval between first mounting plate and second mounting plate, is divided between being somebody's turn to do
The relief portion.
4. flexible screen test fixture according to claim 3, which is characterized in that the switching arm is equipped with two groups, two groups of institutes
State the two sides that switching arm is arranged in the interval.
5. flexible screen test fixture according to claim 3, which is characterized in that first mounting portion is equipped with the first limit
Portion, second mounting portion are equipped with the second limiting section matched with first limiting section；First mounting portion is far from institute
The rotation of the second mounting portion is stated, and when arrive first limiting section and second limiting section abut against, first mounting portion stops
Rotation stop is dynamic, so that first mounting plate and second mounting plate are generally aligned in the same plane.
6. flexible screen test fixture according to claim 1, which is characterized in that first mounting portion and second peace
Dress portion is equipped with the container for accommodating the flexible screen, and the depth of the container is greater than the thickness of the flexible screen.
7. flexible screen test fixture according to claim 1, which is characterized in that first mounting portion is far from the evacuation
The side in portion is equipped with locating slot, and second mounting portion is convexly equipped with far from the side of the relief portion to be adapted to the locating slot
Positioning region；First mounting portion is rotated close to second mounting portion, and the positioning region that arrives is connected in the locating slot
When, first mounting portion stops operating.
8. flexible screen test fixture according to claim 1, which is characterized in that further include pedestal and being rotatably connected in institute
The swing arm on pedestal is stated, the swing arm is detachably connected with first mounting portion, and second mounting portion and the pedestal are solid
Fixed connection, the position that the swing arm corresponds to the relief portion are equipped with the drive shaft.
9. flexible screen test fixture according to claim 8, which is characterized in that the swing arm includes two parallel and opposite
The swing rod of setting, first mounting portion are detachably connected between two swing rods；A wherein swing rod convex
Equipped with shaft, to be rotatably connected with the pedestal, another swing rod and the driving axis connection.
10. flexible screen test fixture according to claim 8, which is characterized in that second mounting portion is equipped with installation
Hole, the pedestal are equipped with fastener hole；Fastener wears the mounting hole and the fastener hole, so that second mounting portion is solid
Determine on the base.
11. flexible screen test fixture according to claim 1, which is characterized in that the outside projection of first mounting portion
There is holding section, the swing arm is equipped with the via hole worn for the holding section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811543359.8A CN109490117B (en) | 2018-12-17 | 2018-12-17 | Flexible screen test fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543359.8A CN109490117B (en) | 2018-12-17 | 2018-12-17 | Flexible screen test fixture |
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| CN109490117A true CN109490117A (en) | 2019-03-19 |
| CN109490117B CN109490117B (en) | 2021-07-16 |
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| CN111650201A (en) * | 2020-07-15 | 2020-09-11 | Oppo（重庆）智能科技有限公司 | Detection device and detection method |
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| CN113188451A (en) * | 2021-04-28 | 2021-07-30 | 京东方科技集团股份有限公司 | Jig for testing bending error amount of flexible display module and testing method thereof |
| CN113390707A (en) * | 2021-06-22 | 2021-09-14 | 昆山国显光电有限公司 | Bending test fixture, bending radius test method and bending angle test method |
| US11187634B2 (en) * | 2019-06-12 | 2021-11-30 | Triple Win Technology(Shenzhen) Co.Ltd. | Bending test device and bending mechanism thereof |
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