CN111402767A - L ED display screen test fixture - Google Patents

L ED display screen test fixture Download PDF

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Publication number
CN111402767A
CN111402767A CN202010181922.2A CN202010181922A CN111402767A CN 111402767 A CN111402767 A CN 111402767A CN 202010181922 A CN202010181922 A CN 202010181922A CN 111402767 A CN111402767 A CN 111402767A
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CN
China
Prior art keywords
display screen
clamping plate
limiting
fixing frame
groups
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010181922.2A
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Chinese (zh)
Inventor
张斌
杨莹莹
李国英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Taixian Information Technology Co ltd
Original Assignee
Shandong Taixian Information Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Taixian Information Technology Co ltd filed Critical Shandong Taixian Information Technology Co ltd
Priority to CN202010181922.2A priority Critical patent/CN111402767A/en
Publication of CN111402767A publication Critical patent/CN111402767A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention belongs to the technical field of clamps, and particularly relates to a L ED display screen test clamp which comprises a fixed frame, a left clamp plate and a right clamp plate which are arranged on two sides of the inner wall of the fixed frame, and a detection platform for placing L ED display screens, wherein two groups of limiting sliding grooves are formed in the upper surface of the fixed frame, a power supply connector is arranged on the side surface of the fixed frame, a plurality of groups of springs and two groups of limiting rods are respectively arranged on two sides of the inner wall of the fixed frame, adjusting bolts are connected with the inner threads of the threaded holes, a limiting plate is fixed on the upper surface of the detection platform, two groups of sliding blocks which are arranged in the limiting sliding grooves in a sliding mode are fixed on the lower surface of the detection platform, push rods are vertically fixed at one ends of the two groups of sliding blocks, and a L ED display screen is fixed by moving the right clamp plate, so that a L ED display screen is fixed between the left clamp plate and the right clamp plate, and.

Description

L ED display screen test fixture
Technical Field
The invention belongs to the technical field of clamp equipment, and particularly relates to an L ED display screen test clamp.
Background
L ED display screen (L EDdisplay) is a flat panel display composed of small L ED module panels, is used for displaying various information such as characters, images, videos, etc., is a device integrating microelectronic technology, computer technology and information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable operation, etc
When testing L ED display screen, use anchor clamps earlier to fix L ED display screen to prior art, then the mode that adopts is the circular telegram, and is electrified with the display screen, then direct observation L ED display screen whether have a problem.
The prior art has the following problems:
1. when an L ED display screen is fixed, the device is lack of a buffer mechanism and is easy to damage the display screen;
2. it is inconvenient to place the L ED display screen on a jig for fixing.
Disclosure of Invention
To solve the problems of the background art, the invention provides an L ED display screen test fixture.
The invention provides an L ED display screen test fixture, which comprises a fixed frame, a left clamping plate, a right clamping plate and a detection platform, wherein the left clamping plate and the right clamping plate are arranged on two sides of the inner wall of the fixed frame, the detection platform is used for placing a L ED display screen, two groups of limiting sliding grooves are formed in the upper surface of the fixed frame, a power supply connecting port is formed in the side surface of the fixed frame, a plurality of groups of springs and two groups of limiting rods are respectively arranged on two sides of the inner wall of the fixed frame, a threaded hole formed in the fixed frame is formed between the two groups of limiting rods, and an adjusting;
the left clamping plate is connected with the fixing frame through the spring, two groups of limiting rod sleeves are arranged on one side of the right clamping plate, the limiting rods are movably mounted in the limiting rod sleeves, a bearing fixed on the right clamping plate is arranged between the limiting rod sleeves, and the inner ring of the bearing is fixedly connected with one end of an adjusting bolt;
the upper surface of the detection platform is fixedly provided with a limiting plate, the lower surface of the detection platform is fixedly provided with two groups of sliding blocks which are arranged inside the limiting sliding grooves in a sliding mode, and one ends of the two groups of sliding blocks are vertically fixedly provided with push rods.
Preferably, as an L ED display screen test fixture, a buffer mechanism is formed between the spring and the left clamping plate, and a telescopic structure is formed between the left clamping plate and the fixing frame.
Preferably, the L ED display screen test fixture is cylindrical, and the external shape of the limiting rod is matched with the internal shape of the limiting rod sleeve.
Preferably, as an L ED display screen test fixture, the adjusting bolt is provided with an external thread, and the adjusting bolt forms a telescopic structure with the fixing frame through the threaded hole.
Preferably, the L ED display screen test fixture is characterized in that the right clamping plate slides horizontally through the limiting rod, and the right clamping plate and the left clamping plate are perpendicular to the extension line of the limiting plate.
Preferably, as an L ED display screen test fixture, the two sides of one end of the sliding block are provided with convex blocks, one end of the sliding block is in a cross structure, and the detection platform forms a sliding structure with the limiting sliding groove and the fixing frame through the sliding block.
Compared with the prior art, the invention has the beneficial effects that:
1. fix L ED display screen through removing right splint, make L ED display screen fix between left splint and right splint, the buffer gear who constitutes between spring and the left splint simultaneously avoids L ED display screen one side atress great emergence deformation, and then avoids L ED display screen to damage.
2. L ED display screen when placing anchor clamps on, through placing L ED display screen and placing testing platform, through promoting the push rod, make testing platform slide in spacing spout inside with the help of the slider, remove L ED display screen to the upper surface of mount, conveniently fix it through left splint and right splint.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a display panel for detecting states according to the present invention;
FIG. 3 is a schematic structural view of the fixing frame of the present invention;
FIG. 4 is a schematic structural view of a right splint according to the present invention;
FIG. 5 is a schematic view of a backside structure of the inspection platform of the present invention.
In the figure: 1. a fixed mount; 2. a limiting chute; 3. a power supply connector; 4. a spring; 5. a limiting rod; 6. a threaded hole; 7. a left splint; 8. adjusting the bolt; 9. a right splint; 10. a limiting rod sleeve; 11. a bearing; 12. a detection platform; 13. a limiting plate; 14. a slider; 15. a push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the invention provides an L ED display screen test fixture, which comprises a fixed frame 1, a left clamping plate 7 and a right clamping plate 9 which are arranged on two sides of the inner wall of the fixed frame 1, and a detection platform 12 for placing a L ED display screen, wherein the upper surface of the fixed frame 1 is provided with two groups of limiting sliding grooves 2, the side surface of the fixed frame 1 is provided with a power supply connector 3, two sides of the inner wall of the fixed frame 1 are respectively provided with a plurality of groups of springs 4 and two groups of limiting rods 5, a threaded hole 6 arranged on the fixed frame 1 is arranged between the two groups of limiting rods 5, and the inner thread of the threaded hole;
the left clamping plate 7 is connected with the fixing frame 1 through a spring 4, two groups of limiting rod sleeves 10 are arranged on one side of the right clamping plate 9, limiting rods 5 are movably mounted inside the limiting rod sleeves 10, a bearing 11 fixed on the right clamping plate 9 is arranged between the limiting rod sleeves 10, and one end of an adjusting bolt 8 is fixedly connected to the inner ring of the bearing 11;
a limiting plate 13 is fixed on the upper surface of the detection platform 12, two groups of sliding blocks 14 which are slidably mounted inside the limiting sliding groove 2 are fixed on the lower surface of the detection platform 12, and a push rod 15 is vertically fixed at one end of each group of sliding blocks 14.
In the embodiment, L ED display screen is fixed by moving the right clamping plate 9, so that the L ED display screen is fixed between the left clamping plate 7 and the right clamping plate 9, meanwhile, a buffer mechanism is formed between the spring 4 and the left clamping plate 7, deformation caused by large stress on one side of the L ED display screen is avoided, further, the L ED display screen is prevented from being damaged, when the L ED display screen is placed on a clamp, the L ED display screen is placed on the detection platform 12, the push rod 15 is pushed, the detection platform 12 slides in the limiting sliding groove 2 by means of the sliding block 14, the L ED display screen is moved to the upper surface of the fixing frame 1, and the fixing is conveniently carried out by the left clamping plate 7 and the right clamping plate 9.
Specifically, a buffer mechanism is formed between the spring 4 and the left clamping plate 7, and a telescopic structure is formed between the left clamping plate 7 and the fixed frame 1.
In the embodiment, the buffering mechanism formed between the spring 4 and the left clamping plate 7 enables the L ED display screen to be fixed, and enables the spring 4 to contract when the other side of the L ED display screen is stressed greatly, so that the L ED display screen is prevented from being deformed due to large stress, and further the L ED display screen is prevented from being damaged.
Specifically, the limiting rod 5 is cylindrical, and the external shape of the limiting rod 5 is matched with the internal shape of the limiting rod sleeve 10.
In this embodiment: the two groups of limiting rods 5 are matched with the limiting rod sleeve 10 for use, so that the right clamping plate 9 only horizontally slides.
Specifically, an external thread is arranged on the adjusting bolt 8, and the adjusting bolt 8 forms a telescopic structure with the fixing frame 1 through the threaded hole 6.
In this embodiment: through the screw thread and the screw hole 6 cooperation use that set up on adjusting bolt 8, through rotating adjusting bolt 8, make the relative position change between adjusting bolt 8 and mount 1.
Specifically, the right splint 9 slides horizontally through the limiting rod 5, and the right splint 9 and the left splint 7 are perpendicular to the extension line of the limiting plate 13.
In the embodiment, the left clamping plate 7, the right clamping plate 9 and the limiting plate 13 are arranged, so that after an L ED display screen is placed on the detection platform 12, after one side of the L ED display screen is aligned with the limiting plate 13, the two side edges of the L ED display screen are arranged in parallel with the left clamping plate 7 and the right clamping plate 9, and the L ED display screen can be tightly attached and fixed on three sides.
Specifically, the two sides of one end of the sliding block 14 are provided with convex blocks, one end of the sliding block 14 is of a cross structure, and the detection platform 12 forms a sliding structure with the limiting sliding groove 2 and the fixed frame 1 through the sliding block 14.
In this embodiment, one end of the sliding block 14 is specially configured, so that the other end of the sliding block 14 can slide out of the limiting sliding groove 2, and one end of the sliding block cannot slide out, so as to limit the detection platform 12, and meanwhile, the relative position between the detection platform 12 and the fixed frame 1 can be changed, so that an L ED display screen can be conveniently placed on the detection platform 12, and pushed to the central position of the upper surface of the fixed frame 1.
The working principle and the using process of the invention are that firstly, a L ED display screen to be detected is placed on a detection platform 12, one side of a L ED display screen is tightly attached to the side surface of a limiting plate 13, then the detection platform 12 is enabled to slide in a limiting sliding groove 2 by a sliding block 14 by pushing a push rod 15, so that the position between the detection platform 12 and a fixed frame 1 is changed, a L ED display screen is moved to the upper surface of the fixed frame 1, then an adjusting bolt 8 is rotated to enable the adjusting bolt 8 to move on the fixed frame 1 by a threaded hole 6, meanwhile, under the matching of a limiting rod sleeve 10 and a limiting rod 5, the adjusting bolt 8 enables a right splint 9 to horizontally slide by pushing a bearing 11, so that the right splint 9 pushes L ED display screen side to be contacted with a left splint 7, when an L ED display screen and two side splints are tightly attached, the L ED display screen is fixed, a power supply (not shown in the figure) arranged on the L ED display screen is connected with a power supply connector L, and whether the ED display screen is directly observed by naked eyes, so as to detect the ED display screen 26.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An L ED display screen test fixture comprises a fixing frame (1), a left clamping plate (7) and a right clamping plate (9) which are arranged on two sides of the inner wall of the fixing frame (1), and a detection platform (12) for placing a L ED display screen, and is characterized in that two groups of limiting sliding grooves (2) are formed in the upper surface of the fixing frame (1), a power supply connecting port (3) is formed in the side surface of the fixing frame (1), a plurality of groups of springs (4) and two groups of limiting rods (5) are respectively arranged on two sides of the inner wall of the fixing frame (1), a threaded hole (6) formed in the fixing frame (1) is formed between the two groups of limiting rods (5), and an adjusting bolt (8) is connected to the inner thread of the;
the left clamping plate (7) is connected with the fixing frame (1) through the spring (4), two groups of limiting rod sleeves (10) are arranged on one side of the right clamping plate (9), the limiting rods (5) are movably mounted in the limiting rod sleeves (10), a bearing (11) fixed on the right clamping plate (9) is arranged between the limiting rod sleeves (10), and the inner ring of the bearing (11) is fixedly connected with one end of an adjusting bolt (8);
detection platform (12) upper surface mounting has limiting plate (13), the lower surface mounting of detection platform (12) has two sets of slidable mounting in slider (14) inside spacing spout (2), two sets of the one end vertical fixation of slider (14) has push rod (15).
2. The L ED display screen test fixture of claim 1, wherein a buffer mechanism is formed between the spring (4) and the left clamping plate (7), and a telescopic structure is formed between the left clamping plate (7) and the fixing frame (1).
3. The L ED display screen test fixture of claim 1, wherein the limiting rod (5) is cylindrical, and the external shape of the limiting rod (5) is matched with the internal shape of the limiting rod sleeve (10).
4. The L ED display screen test fixture of claim 1, wherein the adjusting bolt (8) is provided with external threads, and the adjusting bolt (8) passes through the threaded hole (6) and forms a telescopic structure with the fixing frame (1).
5. The L ED display screen test fixture of claim 1, wherein the right clamping plate (9) slides horizontally through the limiting rod (5), and the right clamping plate (9) and the left clamping plate (7) are perpendicular to the extension line of the limiting plate (13).
6. The L ED display screen test fixture of claim 1, wherein two sides of one end of the slider (14) are provided with protrusions, one end of the slider (14) is in a cross-shaped structure, and the detection platform (12) forms a sliding structure with the limiting sliding groove (2) and the fixing frame (1) through the slider (14).
CN202010181922.2A 2020-03-16 2020-03-16 L ED display screen test fixture Pending CN111402767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010181922.2A CN111402767A (en) 2020-03-16 2020-03-16 L ED display screen test fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010181922.2A CN111402767A (en) 2020-03-16 2020-03-16 L ED display screen test fixture

Publications (1)

Publication Number Publication Date
CN111402767A true CN111402767A (en) 2020-07-10

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CN202010181922.2A Pending CN111402767A (en) 2020-03-16 2020-03-16 L ED display screen test fixture

Country Status (1)

Country Link
CN (1) CN111402767A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111999038A (en) * 2020-08-19 2020-11-27 珠海市德新合利电子科技有限公司 Device for collecting screen brightness and chromaticity
CN112986642A (en) * 2021-02-03 2021-06-18 李存金 Ammeter is with watchcase fixing device
CN114279692A (en) * 2021-12-28 2022-04-05 叶霖 Brightness detection device and method for LED display screen
CN115139245A (en) * 2022-07-18 2022-10-04 西安热工研究院有限公司 Clamping device for metal material detection
CN117110937A (en) * 2023-10-23 2023-11-24 南通美莱工业智能科技有限公司 Electric performance detection device is used in production of LED warning light

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7157929B1 (en) * 2005-11-21 2007-01-02 Hannspree, Inc System for testing flat panel display devices
US20180275166A1 (en) * 2017-03-24 2018-09-27 Boe Technology Group Co., Ltd. Test fixture for a display device
CN207972956U (en) * 2017-12-31 2018-10-16 郑州元泽信息技术有限公司 High-end computer display screen transport device
CN208013598U (en) * 2018-02-05 2018-10-26 赣州立德电子有限公司 A kind of fixed structure for liquid crystal display processing
CN209232336U (en) * 2018-12-19 2019-08-09 上海皖馨网络科技有限公司 A kind of LED display securing cleaning device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7157929B1 (en) * 2005-11-21 2007-01-02 Hannspree, Inc System for testing flat panel display devices
US20180275166A1 (en) * 2017-03-24 2018-09-27 Boe Technology Group Co., Ltd. Test fixture for a display device
CN207972956U (en) * 2017-12-31 2018-10-16 郑州元泽信息技术有限公司 High-end computer display screen transport device
CN208013598U (en) * 2018-02-05 2018-10-26 赣州立德电子有限公司 A kind of fixed structure for liquid crystal display processing
CN209232336U (en) * 2018-12-19 2019-08-09 上海皖馨网络科技有限公司 A kind of LED display securing cleaning device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111999038A (en) * 2020-08-19 2020-11-27 珠海市德新合利电子科技有限公司 Device for collecting screen brightness and chromaticity
CN112986642A (en) * 2021-02-03 2021-06-18 李存金 Ammeter is with watchcase fixing device
CN114279692A (en) * 2021-12-28 2022-04-05 叶霖 Brightness detection device and method for LED display screen
CN115139245A (en) * 2022-07-18 2022-10-04 西安热工研究院有限公司 Clamping device for metal material detection
CN117110937A (en) * 2023-10-23 2023-11-24 南通美莱工业智能科技有限公司 Electric performance detection device is used in production of LED warning light
CN117110937B (en) * 2023-10-23 2023-12-26 南通美莱工业智能科技有限公司 Electric performance detection device is used in production of LED warning light

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Application publication date: 20200710