CN212206950U - Novel screen hardness testboard for liquid crystal display - Google Patents
Novel screen hardness testboard for liquid crystal display Download PDFInfo
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- CN212206950U CN212206950U CN202020644837.0U CN202020644837U CN212206950U CN 212206950 U CN212206950 U CN 212206950U CN 202020644837 U CN202020644837 U CN 202020644837U CN 212206950 U CN212206950 U CN 212206950U
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Abstract
The utility model discloses a novel screen hardness test board for a liquid crystal display screen, which comprises a bracket and a base, the utility model is provided with a positioning mechanism on the top of the base, and by pressing a pressing plate, then the display screen is placed on the top end surface of the supporting plate, at the moment, the electric push rod is started, so that the output shaft of the electric push rod drives the connecting rod to move leftwards, simultaneously, the pressure on the pressure plate is cancelled, so that the limit plate moves upwards under the elastic force of the return spring, the connecting rod drives the sliding cylinder and the limiting plate to move leftwards to contact the right end face of the display screen in the process of moving leftwards, thereby realizing that the limiting plate pushes the display screen to move leftwards, and when the display screen moves leftwards and contacts the sliding block, the limiting plate applies upward thrust to the sliding block, and the spring is compressed and clamped under stress, so that the clamping of the upper end face, the lower end face and the left end face and the right end face of the display screen is realized, and the beneficial effect that the display screen is more stable in the testing process is achieved.
Description
Technical Field
The utility model relates to a relevant field of testboard specifically is a novel screen hardness testboard for liquid crystal display.
Background
The liquid crystal display is a flat ultrathin display device, it is made up of a certain quantity of colour or black and white pixels, and is placed in the front of light source or reflecting surface, and its power consumption is very low, so that it is very popular for engineers, and is applicable to electronic equipment using battery.
When the testboard is testing hydraulic display screen, owing to need extrude liquid crystal display, and the display screen surface is comparatively smooth again for make the display screen take place to slide at the extruded in-process easily, and the display screen slides and just makes the test effect worsen easily, brings inconvenience for work.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above insufficiency, the utility model provides a novel screen hardness testboard for liquid crystal display herein.
The utility model is realized in such a way, a novel screen hardness test board for the liquid crystal display screen is constructed, the device comprises a bracket and a base, the bracket is arranged at the left end of the top end surface of the base, a controller and a cylinder are respectively arranged at the top end surface of the right end surface of the bracket and the top end surface of the inner side of the bracket, the test board is locked with the middle part of the top end surface of the base, a mounting plate is fastened on an output shaft at the bottom of the cylinder, a pressure sensor is arranged on the bottom end surface of the mounting plate, a positioning mechanism is arranged at the top part of the base, the positioning mechanism consists of a hand wheel, a bidirectional screw rod, a chute, an L-shaped clamping block, a supporting plate, a limiting mechanism, a sliding block, a connecting groove, a spring, an electric push rod and a protective cover, the bidirectional screw rod, the L-shaped clamping block is slidably mounted on the inner side of a sliding groove formed in the top end face of the base, the L-shaped clamping block is in threaded connection with the side surface of the bidirectional screw rod through a screw hole formed in the bottom of the rear end face, the supporting plate is locked on the inner front end face of the L-shaped clamping block, the limiting mechanism moves left and right on the top of the base through an electric push rod, the sliding block slides up and down along the inner side of a connecting groove formed in the left portion of the inner top end face of the L-shaped clamping block, two ends of a spring are fixedly connected to the top end face of the inner side of the connecting groove and the top end face of the sliding block respectively, the electric push rod is mounted on the bottom end face of the inner side of the protective cover, an output shaft on the right side of.
Preferably, stop gear comprises limiting plate, a sliding barrel, clamp plate, reset spring, L type connecting rod, vacuum chuck and connecting rod, the limiting plate activity stretches into in the inboard top of sliding barrel, the sliding barrel laminates in base top face, the clamp plate closure is in limiting plate right-hand member face middle part, and the clamp plate passes the through mouth that upper portion seted up in the inboard right-hand member face of sliding barrel, reset spring both ends are fixed connection in limiting plate bottom face and the inboard bottom face of sliding barrel respectively, the L type connecting rod passes and fastens in limiting plate left end face middle part after the opening inboard that upper portion seted up in the sliding barrel left end face middle part, vacuum chuck installs in L type connecting rod top face, the connecting rod both ends are fixed connection in electric putter right side output shaft and sliding barrel left end face middle part respectively.
Preferably the sliding block is in a trapezoidal shape gradually reduced from left to right, and a flexible silica gel sheet is fastened to the bottom end face of the sliding block.
Preferably, the springs are arranged on the top end face of the sliding block, and the two springs are symmetrically arranged at the left end and the right end of the top end face of the sliding block.
Preferably, the supporting plate is L-shaped, and the front end face of the supporting plate is flush with the front end face of the L-shaped clamping block.
Preferably, the rear end face of the inner side of the L-shaped clamping block is provided with connecting screw holes corresponding to the rear end face of the supporting plate, and the rear end face of the inner side of the L-shaped clamping block is provided with more than two rows at equal intervals.
Preferably, a sponge layer is arranged on the top of the left end face of the limiting plate, and the thickness of the sponge layer is 0.3 cm.
Preferably, the outer surface of the hand wheel is provided with an anti-skid paint layer, and the anti-skid paint layer is a rough outer surface.
Preferably, the inner side end face of the sliding groove is covered with a smooth ceramic layer, and the thickness of the ceramic layer is 0.1 cm.
Preferably, the right end face of the sliding cylinder is provided with a square hole, and the length of the inner side of the square hole is three times of the thickness of the pressing plate.
Preferably, the spring is made of carbon steel.
Preferably, the bidirectional screw rod is made of a damping steel material.
The utility model has the advantages of as follows: the utility model discloses an improve and provide a novel screen hardness testboard for liquid crystal display here, compare with equipment of the same type, have following improvement:
the method has the advantages that: the utility model relates to a novel screen hardness test board for liquid crystal display screen, which is characterized in that a positioning mechanism is arranged on the top of a base, a pressing plate is pressed downwards, then the display screen is placed on the top end surface of a supporting plate, the display screen is pushed forwards to enter the left end of a limiting plate, at the moment, an electric push rod is opened, an output shaft of the electric push rod drives a connecting rod to move leftwards, meanwhile, the pressure to the pressing plate is cancelled, the limiting plate is moved upwards by the elasticity of a reset spring, a sliding cylinder and the limiting plate are driven to move leftwards to contact the right end surface of the display screen in the process that the connecting rod moves leftwards, so that the limiting plate pushes the display screen to move leftwards, when the display screen moves leftwards to contact the sliding block, the sliding block is exerted with upward thrust, and the spring is compressed by stress, when, the sliding block receives the elasticity of spring and presss from both sides the display screen top tightly, has reached the clamp of terminal surface about and terminal surface about the display screen for the display screen is at the in-process more stable beneficial effect of test.
The method has the advantages that: a novel screen hardness testboard for liquid crystal display, the utility model discloses a sliding block is the trapezoidal form of convergent from left to right, and the bottom face fastening of sliding block has flexible silica gel piece, has reached and has made sliding block 87 receive the promotion rebound of display screen, presss from both sides tight beneficial effect with the display screen at last.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the positioning mechanism of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the L-shaped clamping block of the present invention;
FIG. 4 is a schematic view of the connection structure of the electric push rod of the present invention;
fig. 5 is an enlarged schematic view of a structure shown in fig. 4 according to the present invention.
Wherein: the device comprises a support-1, a base-2, a controller-3, a cylinder-4, a mounting plate-5, a pressure sensor-6, a test board-7, a positioning mechanism-8, a hand wheel-81, a bidirectional screw rod-82, a sliding groove-83, an L-shaped clamping block-84, a supporting plate-85, a limiting mechanism-86, a sliding block-87, a connecting groove-88, a spring-89, an electric push rod-810, a protective cover-811, a limiting plate-861, a sliding cylinder-862, a pressure plate-863, a return spring-864, an L-shaped connecting rod-865, a vacuum chuck-866 and a connecting rod-867.
Detailed Description
The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the utility model provides a novel screen hardness testboard for liquid crystal display is provided herein through the improvement, including support 1 and base 2, support 1 installs in base 2 top face left end, and support 1 right-hand member face top and inboard top face install controller 3 and cylinder 4 respectively, and base 2 top face middle part locking have testboard 7, and the output shaft is fixed with mounting panel 5 on the cylinder 4 bottom, and pressure sensor 6 is installed to mounting panel 5 bottom face.
Referring to fig. 2, 3 and 4, the present invention provides a new screen hardness test bench for lcd through improvement, a positioning mechanism 8 is disposed on the top of a base 2, the positioning mechanism 8 is composed of a hand wheel 81, a bidirectional screw 82, a sliding groove 83, an L-shaped clamping block 84, a support plate 85, a limiting mechanism 86, a sliding block 87, a connecting groove 88, a spring 89, an electric push rod 810 and a protection cover 811, the outer surface of the hand wheel 81 is provided with an anti-slip paint layer, the anti-slip paint layer is a rough outer surface to prevent sliding during rotating the hand wheel 81, the bidirectional screw 82 is fastened in the middle of the front end surface of the hand wheel 81, the bidirectional screw 82 is rotatably connected with the front end of the inner side of the sliding groove 83 after passing through the top of the rear end surface of the base 2, the sliding groove 83 is located at the vertical bottom end of the test bench 7, the inner side surface of the sliding groove 83 is covered with a, the L-shaped clamping block 84 is slidably mounted on the inner side of a sliding groove 83 formed in the top end face of the base 2, the L-shaped clamping block 84 is in threaded connection with the side surface of the bidirectional screw rod 82 through a screw hole formed in the bottom of the rear end face, a connecting screw hole is formed in the rear end face of the inner side of the L-shaped clamping block 84 and corresponds to the rear end face of the supporting plate 85, more than two lines are formed in the rear end face of the inner side of the L-shaped clamping block 84 at equal intervals so as to fix the position of the supporting plate 85, the supporting plate 85 is locked on the front end face of the inner side of the L-shaped clamping block 84, the supporting plate 85 is L-shaped, the mounting of the supporting plate 85 is more stable, the front end face of the supporting plate 85 is flush with the front end face of the L-shaped clamping block 84, the limiting mechanism 86 moves left and right on the top of the base 2, and the bottom face of sliding block 87 is fastened with a flexible silica gel sheet, which is convenient for sliding block 87 to move upwards under the push of display screen, two ends of spring 89 are respectively and fixedly connected to the top face of the inner side of linking groove 88 and the top face of sliding block 87, spring 89 is provided with two on the top face of sliding block 87, and two springs 89 are symmetrically located at the left and right ends of the top face of sliding block 87, so that sliding block 87 is reset more stably, electric putter 810 is installed on the bottom face of the inner side of protective cover 811, and the right output shaft of electric putter 810 penetrates through the right end of the inner side of protective cover 811, protective cover 811 is fastened on the inner side of the through hole formed at the bottom of the left end face.
Referring to fig. 5, the present invention provides a novel screen hardness testing platform for lcd through improvement, the limiting mechanism 86 is composed of a limiting plate 861, a sliding cylinder 862, a pressing plate 863, a reset spring 864, an L-shaped connecting rod 865, a vacuum chuck 866 and a connecting rod 867, the limiting plate 861 movably extends into the top end of the inner side of the sliding cylinder 862, a sponge layer is disposed on the top of the left end face of the limiting plate 861, the thickness of the sponge layer is 0.3cm to prevent damage to the right end face of the display, the sliding cylinder 862 is attached to the top end face of the base 2, a square hole is disposed on the right end face of the sliding cylinder 862, the inner length of the square hole is three times the thickness of the pressing plate 863, so as to allow the pressing plate 863 to vertically move, the pressing plate 863 is locked in the middle portion of the right end face of the limiting plate 861, the pressing plate 863 passes through a through hole disposed on the upper portion of the inner side face of the sliding cylinder 862, the L-shaped connecting rod 865 penetrates through the inner side of an opening formed in the upper middle part of the left end face of the sliding cylinder 862 and is then fastened to the middle part of the left end face of the limiting plate 861, the vacuum suction cup 866 is installed on the top end face of the L-shaped connecting rod 865, and two ends of the connecting rod 867 are respectively and fixedly connected to the right output shaft of the electric push rod 810 and the middle part of the left end face of.
Example two:
the utility model discloses an improve and provide a novel screen hardness testboard for liquid crystal display here, 3 right-hand members of controller face is provided with the protection film, is convenient for protect controller 3, and testboard 7 is the U word appearance, is convenient for cover connecting rod 867 and two-way lead screw 82.
The utility model provides a novel screen hardness test board for a liquid crystal display screen through improvement, and the working principle is as follows;
firstly, the whole device is placed at a designated position, and then the controller 3 is connected to an external power supply;
second, by pressing the pressing plate 863 downward at this time, and then placing the display screen on the top end surface of the supporting plate 85, and the display screen is pushed forward to enter the left end of the limit plate 861, at this time, the electric push rod 810 is turned on, so that the output shaft of the electric push rod 810 drives the connecting rod 867 to move leftward, simultaneously, the pressure on the pressing plate 861 is removed, so that the limit plate 861 is moved upward by the elastic force of the return spring 864, the connecting rod 867 drives the sliding barrel 862 and the limit plate 861 to move leftwards to contact the right end face of the display screen in the process of moving leftwards, so that the limit plate 861 pushes the display screen to move to the left, and when the display screen moves to contact the sliding block 87 to the left, an upward pushing force is applied to the sliding block 87, and the spring 89 is compressed by force, when the display screen completely enters the inner left end of the L-shaped clamping block 84, the sliding block clamps the top of the display screen under the elasticity of the spring 89, and the vacuum chuck 866 is clung to the bottom end surface of the display screen at the moment;
thirdly, the output shaft of the cylinder 4 can be controlled to move downwards, and the cylinder 4 drives the mounting plate 5 and the pressure sensor 6 to move downwards to contact the display screen, so that the pressure born by the display screen is checked;
fourthly, after the examination is finished, the pressing plate 863 can be pressed down again, the output shaft of the electric push rod 810 is controlled to drive the connecting rod 867 and the vacuum chuck 866 to move rightwards, and the vacuum chuck 866 drives the display screen to move rightwards at the moment.
The utility model provides a novel screen hardness test bench for liquid crystal display through the improvement, through the pressboard 863 that pushes down, then place the display screen in the top terminal surface of backup pad 85, and promote the display screen to enter into the left end of limiting plate 861 forward, open electric putter 810 this moment, make the output shaft of electric putter 810 drive connecting rod 867 and move left, cancel the pressure to pressing board 861 simultaneously, make limiting plate 861 receive reset spring 864's elasticity and move up, drive slide cartridge 862 and limiting plate 861 and move left and contact the right end face of display screen in the process that connecting rod 867 moves left, thereby realize limiting plate 861 and promote the display screen to move left, exert ascending thrust to 87 when the display screen moves left and contacts sliding block 87, and spring 89 atress compression, when the display screen enters into the inboard left end of L type clamp 84 completely, the sliding block receives spring 89's elasticity to press from both sides the display screen top tightly, vacuum chuck 866 hugs closely on the bottom face of display screen this moment, the clamp of terminal surface about and about the terminal surface about the display screen has been reached, make the display screen at the in-process more stable beneficial effect of test, be the trapezoidal form of from left to right convergent through sliding block 87, and sliding block 87's bottom face fastening has flexible silica gel piece, reached and made sliding block 87 receive the promotion rebound of display screen, press from both sides tight beneficial effect with the display screen at last.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A novel screen hardness test bench for a liquid crystal display screen comprises a support (1) and a base (2), wherein the support (1) is installed at the left end of the top end face of the base (2), a controller (3) and a cylinder (4) are installed on the top end face of the right end face and the top end face of the inner side of the support (1) respectively, a test bench (7) is locked in the middle of the top end face of the base (2), a mounting plate (5) is fastened on an output shaft at the bottom of the cylinder (4), and a pressure sensor (6) is installed on the bottom end face of the mounting plate (5);
the method is characterized in that: the testing device is characterized by further comprising a positioning mechanism (8), the positioning mechanism (8) is arranged at the top of the base (2), the positioning mechanism (8) is composed of a hand wheel (81), a bidirectional screw rod (82), a sliding groove (83), an L-shaped clamping block (84), a supporting plate (85), a limiting mechanism (86), a sliding block (87), a connecting groove (88), a spring (89), an electric push rod (810) and a protective cover (811), the bidirectional screw rod (82) is fastened in the middle of the front end face of the hand wheel (81), the bidirectional screw rod (82) penetrates through the top of the rear end face of the base (2) and then is rotatably connected with the front end of the inner side of the sliding groove (83), the sliding groove (83) is located at the vertical bottom end of the testing table (7), the L-shaped clamping block (84) is slidably mounted on the inner side of the sliding groove (83) formed in the top end face of the base (2), and the L-, the supporting plate (85) is locked on the front end face of the inner side of the L-shaped clamping block (84), the limiting mechanism (86) moves left and right on the top of the base (2) through an electric push rod (810), the sliding block (87) slides up and down along the inner side of a connecting groove (88) formed in the left portion of the top end face of the inner side of the L-shaped clamping block (84), two ends of the spring (89) are fixedly connected to the top end face of the inner side of the connecting groove (88) and the top end face of the sliding block (87) respectively, the electric push rod (810) is installed on the bottom end face of the inner side of the protective cover (811), an output shaft on the right side of the electric push rod (810) penetrates through the right end of the inner side of the protective cover (811), the protective cover (811) is fastened on the inner side of a through hole formed in the bottom of.
2. The novel screen hardness test bench for the liquid crystal display screen according to claim 1, characterized in that: the limiting mechanism (86) is composed of a limiting plate (861), a sliding cylinder (862), a pressing plate (863), a reset spring (864), an L-shaped connecting rod (865), a vacuum chuck (866) and a connecting rod (867), wherein the limiting plate (861) movably extends into the top end of the inner side of the sliding cylinder (862), the sliding cylinder (862) is attached to the top end face of the base (2), the pressing plate (863) is locked in the middle of the right end face of the limiting plate (861), the pressing plate (863) penetrates through a through hole formed in the middle upper portion of the right end face of the inner side of the sliding cylinder (862), two ends of the reset spring (864) are fixedly connected to the bottom end face of the limiting plate (861) and the bottom end face of the inner side of the sliding cylinder (862), the L-shaped connecting rod (865) penetrates through the inner side of an opening formed in the middle upper portion of the left end face of the sliding cylinder (862) and then is fastened to the middle of the left, two ends of the connecting rod (867) are respectively and fixedly connected to the right output shaft of the electric push rod (810) and the middle part of the left end face of the sliding cylinder (862).
3. The novel screen hardness test bench for the liquid crystal display screen according to claim 1, characterized in that: the sliding block (87) is in a trapezoid shape gradually reduced from left to right, and a flexible silica gel sheet is fastened to the bottom end face of the sliding block (87).
4. The novel screen hardness test bench for the liquid crystal display screen according to claim 1, characterized in that: the springs (89) are arranged on the top end faces of the sliding blocks (87), and the two springs (89) are symmetrically arranged at the left end and the right end of the top end face of the sliding block (87).
5. The novel screen hardness test bench for the liquid crystal display screen according to claim 1, characterized in that: the supporting plate (85) is L-shaped, and the front end face of the supporting plate (85) is flush with the front end face of the L-shaped clamping block (84).
6. The novel screen hardness test bench for the liquid crystal display screen according to claim 1, characterized in that: the rear end face of the inner side of the L-shaped clamping block (84) is provided with connecting screw holes corresponding to the rear end face of the supporting plate (85), and more than two lines of the rear end face of the inner side of the L-shaped clamping block (84) are arranged at equal intervals.
7. The novel screen hardness test bench for the liquid crystal display screen according to claim 2, characterized in that: the top of the left end face of the limiting plate (861) is provided with a sponge layer, and the thickness of the sponge layer is 0.3 cm.
8. The novel screen hardness test bench for the liquid crystal display screen according to claim 1, characterized in that: the outer surface of the hand wheel (81) is provided with an anti-skid paint layer, and the anti-skid paint layer is a rough outer surface.
9. The novel screen hardness test bench for the liquid crystal display screen according to claim 1, characterized in that: the inner side end face of the sliding groove (83) is covered with a smooth ceramic layer, and the thickness of the ceramic layer is 0.1 cm.
10. The novel screen hardness test bench for the liquid crystal display screen according to claim 2, characterized in that: the right end face of the sliding cylinder (862) is provided with a square hole, and the length of the inner side of the square hole is three times of the thickness of the pressing plate (863).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020644837.0U CN212206950U (en) | 2020-04-25 | 2020-04-25 | Novel screen hardness testboard for liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020644837.0U CN212206950U (en) | 2020-04-25 | 2020-04-25 | Novel screen hardness testboard for liquid crystal display |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390714A (en) * | 2021-04-13 | 2021-09-14 | 深圳市磐锋精密技术有限公司 | Voltage withstand test device for mobile phone display screen and application method thereof |
| CN114526928A (en) * | 2022-02-23 | 2022-05-24 | 江苏亿控智能装备有限公司 | Steering wheel load test platform |
| CN116907994A (en) * | 2023-09-01 | 2023-10-20 | 江苏弘光显示技术有限公司 | Intensity testing device for display screen production |
| CN117367760A (en) * | 2023-11-13 | 2024-01-09 | 山东丞辉信息科技发展有限公司 | Component testing device for display screen |
-
2020
- 2020-04-25 CN CN202020644837.0U patent/CN212206950U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390714A (en) * | 2021-04-13 | 2021-09-14 | 深圳市磐锋精密技术有限公司 | Voltage withstand test device for mobile phone display screen and application method thereof |
| CN114526928A (en) * | 2022-02-23 | 2022-05-24 | 江苏亿控智能装备有限公司 | Steering wheel load test platform |
| CN116907994A (en) * | 2023-09-01 | 2023-10-20 | 江苏弘光显示技术有限公司 | Intensity testing device for display screen production |
| CN116907994B (en) * | 2023-09-01 | 2024-04-09 | 江苏弘光显示技术有限公司 | Intensity testing device for display screen production |
| CN117367760A (en) * | 2023-11-13 | 2024-01-09 | 山东丞辉信息科技发展有限公司 | Component testing device for display screen |
| CN117367760B (en) * | 2023-11-13 | 2024-03-08 | 山东丞辉信息科技发展有限公司 | Component testing device for display screen |
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