CN106993386B - Arc splicing mechanism and display screen - Google Patents
Arc splicing mechanism and display screen Download PDFInfo
- Publication number
- CN106993386B CN106993386B CN201710384899.5A CN201710384899A CN106993386B CN 106993386 B CN106993386 B CN 106993386B CN 201710384899 A CN201710384899 A CN 201710384899A CN 106993386 B CN106993386 B CN 106993386B
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- arc
- adjusting block
- angle positioning
- locking bolt
- positioning holes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0221—Locks; Latches
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses an arc splicing mechanism and a display screen, which comprise an arc base and an adjusting block, wherein the arc base is provided with a plurality of first angle positioning holes and a plurality of second angle positioning holes, the first angle positioning holes are arranged along a first arc line, the second angle positioning holes are arranged along a second arc line, and the first arc line and the second arc line are concentric; the adjusting block is sleeved outside the arc-shaped base, a first rotary locking bolt is fixed at a position, corresponding to the first angle positioning hole, on the adjusting block, and a second rotary locking bolt is fixed at a position, corresponding to the second angle positioning hole, on the adjusting block. The arc splicing mechanism and the display screen provided by the invention can accurately position a plurality of radians without deviation, the whole process is convenient and quick to operate, and the arc splicing mechanism and the display screen can be operated by a single person with a single hand.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to an arc splicing mechanism and a display screen.
Background
The LED display screen is an important means of information transmission nowadays, and based on the rapid development of the LED display screen industry, more and more new products are brought to the market, and the LED display screen box body can be divided into a right-angle box and an arc-shaped box in a large category. In recent years, the invention design of the arc-shaped box is more and more favored, the arc-shaped box can be spliced and the right angle can be spliced, the application is more than that of the right-angle box, and the applicable places are wider.
For the arc-shaped box body, the arc splicing mechanism is particularly important for splicing the whole box body, and the arc splicing mechanism not only needs to be operated conveniently and quickly, but also needs to be positioned accurately in angle so as to achieve the effect of seamless splicing of the inner arc and the outer arc. The arc box on the current market can't accurate positioning angle at all, and positioning deviation is great to it is big to lead to piecing together screen back gap, seriously influences the display effect, complex operation when current arc box is pieced together the screen moreover, all needs many people to cooperate basically and just can accomplish to piece together the screen.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the arc splicing mechanism and the display screen comprising the same are provided, so that the arc box body can be accurately positioned at an angle, and the operation is simple and direct.
In order to solve the technical problems, the first technical scheme adopted by the invention is as follows:
an arc splicing mechanism comprises an arc base and an adjusting block, wherein a plurality of first angle positioning holes and a plurality of second angle positioning holes are formed in the arc base, the plurality of first angle positioning holes are arranged along a first arc line, the plurality of second angle positioning holes are arranged along a second arc line, and the first arc line and the second arc line are concentric; the adjusting block is sleeved outside the arc-shaped base, a first rotary locking bolt is fixed at a position, corresponding to the first angle positioning hole, on the adjusting block, and a second rotary locking bolt is fixed at a position, corresponding to the second angle positioning hole, on the adjusting block.
In order to solve the technical problem, the invention adopts the following technical scheme:
the utility model provides a display screen, includes as above technical scheme one piece together arc mechanism, still includes first box and second box, the arc base is fixed in on the first box, the regulating block with the second box is connected.
The invention has the beneficial effects that: the arc splicing mechanism is characterized in that the rotary locking bolt is pulled out, the adjusting block can rotate relative to the arc base to change the radian, the first angle positioning hole and the second angle positioning hole are formed in the arc base, and the two holes are connected into a straight line, so that the arc splicing mechanism can be accurately positioned, and deviation can not occur; after the adjusting block rotates to a preset radian, the radian state can be locked by inserting the two rotary locking bolts into the angle positioning holes, the whole process is convenient and quick to operate, and the operation can be finished by one person with one hand; arc base and regulating block are connected with first box and second box respectively, rotate for the arc base through making the regulating block, can make first box and second box realize seamless arc and piece together the screen.
Drawings
FIG. 1 is a top view of a display screen in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of an overall structure of a display screen according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of detail A;
FIG. 4 is a bottom view of a display screen of an embodiment of the present invention;
FIG. 5 is a schematic structural view of a first rotary locking bolt of the arc splicing mechanism according to the embodiment of the present invention;
description of reference numerals:
1. a first case; 2. a second case; 3. an arc-shaped base; 31. a first angle positioning hole; 32. a second angle positioning hole; 4. an adjusting block; 41. a first arc-shaped guide groove; 42. calibration; 43. a second arc-shaped guide groove; 5. a first rotary locking bolt; 51. a rotating shaft; 52. a boss portion; 53. a fixed block; 54. a spring; 55. a blocking ring; 6. a second rotary locking bolt; 7. a quick release locking mechanism; 8. rotating the guide screw; 9. positioning a glass bead screw; 10. and (6) quickly disassembling the lock catch.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is that two rows of angle positioning holes are arranged on the arc-shaped base 3 and are respectively arranged along two concentric arcs; two rotary locking bolts are arranged on the adjusting block 4 sleeved outside the arc-shaped base 3, and can be respectively inserted into the two rows of angle positioning holes to lock the radian of the arc splicing mechanism.
Referring to fig. 1 and 2, an arc splicing mechanism includes an arc base 3 and an adjusting block 4, the arc base 3 is provided with a plurality of first angle positioning holes 31 and a plurality of second angle positioning holes 32, the plurality of first angle positioning holes 31 are arranged along a first arc line, the plurality of second angle positioning holes 32 are arranged along a second arc line, and the first arc line and the second arc line are concentric; the adjusting block 4 is sleeved outside the arc-shaped base 3, a first rotary locking bolt 5 is fixed on the adjusting block 4 at a position corresponding to the first angle positioning hole 31, and a second rotary locking bolt 6 is fixed on the adjusting block 4 at a position corresponding to the second angle positioning hole 32.
From the above description, the beneficial effects of the present invention are: the arc splicing mechanism is characterized in that the rotary locking bolt is pulled out, the adjusting block can rotate relative to the arc base to change the radian, the first angle positioning hole and the second angle positioning hole are formed in the arc base, and the two holes are connected into a straight line, so that the arc splicing mechanism can be accurately positioned, and deviation can not occur; after the regulating block rotates to the preset radian, the radian state can be locked by inserting the two rotary locking bolts into the angle positioning holes, the whole process is convenient and quick to operate, and the operation can be completed by a single hand.
Further, a rotary guide screw 8 is fixed on the arc-shaped base 3; the adjusting block 4 is provided with a first arc-shaped guide groove 41, the first arc-shaped guide groove 41 is concentric with the first arc line, and the end part of the rotary guide screw 8 is accommodated in the first arc-shaped guide groove 41.
According to the above description, when the arc splicing angle needs to be adjusted, the rotary guide screw and the first arc-shaped guide groove can play a role in guiding the adjusting block, so that the adjusting block cannot deviate when rotating relative to the arc-shaped base.
Further, the side of the first arc-shaped guide groove 41 is provided with a scale 42.
As can be seen from the above description, an operator can intuitively determine the radian formed by the current arc splicing mechanism according to the scales on the side edge of the first arc-shaped guide groove.
Further, the quick release locking mechanism 7 comprises a handle, a hinged shaft and a locking shaft, wherein one end of the handle is provided with an eccentric hole, the hinged shaft is arranged in the eccentric hole, one end of the locking shaft is vertically connected with the hinged shaft, and the other end of the locking shaft is provided with a stop part; the arc-shaped base 3 and the adjusting block 4 are all sleeved on the locking shaft.
Further, a second arc-shaped guide groove 43 is further arranged on the adjusting block 4, and the second arc-shaped guide groove 43 and the first arc-shaped guide groove 41 are on the same arc; the end of the quick release locking mechanism 7 is received in the second arc-shaped guide slot 43.
As can be seen from the above description, the first rotary locking bolt and the second rotary locking bolt can perform arc locking on the arc-shaped base and the adjusting block in a horizontal plane; the quick-release locking mechanism can further lock the arc-shaped base and the adjusting block in the vertical direction, so that the arc-shaped base and the adjusting block cannot shake up and down, and the arc splicing mechanism is ensured to be locked more firmly.
Furthermore, the device also comprises two positioning glass bead screws 9; the first rotary locking bolt 5 and the second rotary locking bolt 6 are arranged at the top of the adjusting block 4; and the positions of the bottom of the adjusting block 4 corresponding to the first rotary locking bolt and the second rotary locking bolt 6 are respectively provided with a positioning glass bead screw 9.
According to the description, the angle positioning holes are formed in the arc base, when the arc splicing angle needs to be adjusted, the adjusting block is rotated, the elastic glass beads at the end portions of the positioning glass bead screws are extruded and roll along the bottom of the arc base, when the adjusting block rotates to the next angle positioning hole, the elastic glass beads are popped out and inserted into the bottom ends of the angle positioning holes to be pre-positioned, and an operator can directly sense and determine whether the rotation is in place according to the elastic force of the positioning glass bead screws when the operator rotates, and the operator does not need to carefully align with eyes.
Further, the first rotary locking bolt 5 and the second rotary locking bolt 6 each comprise a rotary shaft 51, a fixed block 53 and a spring 54, wherein a protruding part 52 is arranged at the upper part of the rotary shaft 51, and a blocking ring 55 is arranged at the lower part of the rotary shaft 51; the fixed block 53 is sleeved on the rotating shaft 51, and a clamping groove matched with the protruding part 52 is formed in the upper end of the fixed block 53; the spring 54 is sleeved on the rotating shaft 51, and two ends of the spring 54 respectively abut against the fixed block 53 and the stop ring 55; the fixed block 53 is fixedly connected with the adjusting block 4.
According to the above description, when the radian needs to be locked, the rotating shaft is rotated to enable the protruding portion on the rotating shaft to be aligned to the clamping groove of the fixed block, then the rotating shaft is loosened, the rotating shaft can move downwards under the elastic force of the spring, the protruding portion is clamped in the clamping groove, and meanwhile, the bottom end of the rotating shaft is inserted into the angle positioning hole, so that the adjusting block can be limited from shaking; when the unlocking is needed, the rotating shaft is pulled upwards to enable the protruding portion to be separated from the clamping groove, and meanwhile, the rotating shaft is also separated from the angle positioning hole; then the rotating shaft is rotated for a certain angle, so that the protruding part is abutted against the fixed block, and the arc splicing mechanism can be kept in an unlocked state all the time, so that an operator can rotate freely.
Further, the number of the first angle positioning holes 31 is seven, and the seven first angle positioning holes 31 are arranged at equal intervals; the number of the second angle positioning holes 32 is three, and the three second angle positioning holes 32 are arranged at equal intervals.
As can be seen from the above description, seven first angle positioning holes and three second angle positioning holes can be matched to accurately position several radians of-5 degrees, -2.5 degrees, 0 degrees, 2.5 degrees, 5 degrees, 7.5 degrees and 10 degrees.
The utility model provides a display screen, includes foretell arc mechanism of piecing together, still includes first box 1 and second box 2, arc base 3 is fixed in on the first box 1, regulating block 4 with second box 2 is connected.
From the above description, the beneficial effects of the present invention are: arc base and regulating block are connected with first box and second box respectively, rotate for the arc base through making the regulating block, and the second box can rotate for first box, can make first box and second box realize seamless arc and piece together the screen.
Furthermore, the adjusting block 4 is connected with the second box 2 through a quick release latch 10.
Example one
Referring to fig. 1, fig. 2 and fig. 3, a first embodiment of the present invention is: the utility model provides a display screen can splice into straight face screen, inner arc screen or outer arc screen, and it is including piecing together arc mechanism, first box 1 and second box 2 pass through it connects to piece together arc mechanism.
The arc splicing mechanism comprises an arc base 3 and an adjusting block 4, the arc base 3 is fixed on the first box body 1, and the adjusting block 4 is connected with the second box body 2. Arc base 3 is last to be provided with a plurality of first angle locating holes 31 and a plurality of second angle locating hole 32, a plurality of first angle locating holes 31 are arranged along first pitch arc, a plurality of second angle locating holes 32 are arranged along the second pitch arc, and first pitch arc is concentric with the second pitch arc. The circle centers of the first arc line and the second arc line are the rotating centers of the display screen module surfaces. The adjusting block 4 is sleeved outside the arc-shaped base 3, a first rotary locking bolt 5 is fixed at a position, corresponding to the first angle positioning hole 31, of the upper portion of the adjusting block 4, and a second rotary locking bolt 6 is fixed at a position, corresponding to the second angle positioning hole 32, of the upper portion of the adjusting block 4. The first rotary locking bolt 5 and the second rotary locking bolt 6 can be inserted into a first angle positioning hole 31 and a second angle positioning hole 32 respectively to position and lock the radian of the display screen. In this embodiment, the number of the first angle positioning holes 31 is seven, and the seven first angle positioning holes 31 are arranged at equal intervals; the number of the second angle positioning holes 32 is three, and the three second angle positioning holes 32 are arranged at equal intervals. Seven first angle positioning holes 31 and three second angle positioning holes 32 are matched, and can be accurately positioned in radians of-5 degrees, -2.5 degrees, 0 degrees, 2.5 degrees, 5 degrees, 7.5 degrees and 10 degrees. As shown in fig. 1, the first rotary locking bolt 5 and the second rotary locking bolt 6 can be inserted into a third first angle positioning hole 31 and a second angle positioning hole 32, respectively, so that the display screen can form a 180 ° straight screen; if the first rotary locking bolt 5 and the second rotary locking bolt 6 can be inserted into the first angular positioning hole 31 and the first second angular positioning hole 32, respectively, a 175 ° arc screen can be formed on the display screen.
As shown in fig. 4, each of the first and second rotary locking latches 5 and 6 includes a rotary shaft 51, a fixed block 53 and a spring 54, a protrusion 52 is provided on an upper portion of the rotary shaft 51, and a blocking ring 55 is provided on a lower portion of the rotary shaft 51; the fixed block 53 is sleeved on the rotating shaft 51, and a clamping groove matched with the protruding part 52 is formed in the upper end of the fixed block 53; the spring 54 is sleeved on the rotating shaft 51, and two ends of the spring 54 respectively abut against the fixed block 53 and the stop ring 55; the fixed block 53 is fixedly connected with the adjusting block 4. When the radian needs to be locked, the rotating shaft 51 is rotated to enable the protruding portion 52 on the rotating shaft 51 to align with the clamping groove of the fixed block 53, then the rotating shaft 51 is loosened, the rotating shaft 51 can move downwards under the action of the elastic force of the spring 54, the protruding portion 52 is clamped in the clamping groove, and meanwhile, the bottom end of the rotating shaft 51 is inserted into the angle positioning hole, so that the adjusting block 4 can be limited from shaking; when the unlocking is needed, the rotating shaft 51 is pulled upwards, so that the protruding part 52 is separated from the clamping groove, and meanwhile, the rotating shaft 51 is also separated from the angle positioning hole; then, the rotating shaft 51 is rotated by a certain angle, so that the protruding portion 52 abuts against the fixed block 53, and the arc splicing mechanism can be kept in an unlocked state all the time.
A rotary guide screw 8 is fixed on the arc base 3, a first arc guide groove 41 is arranged on the adjusting block 4, the first arc guide groove 41 is concentric with the first arc, and the end part of the rotary guide screw 8 is accommodated in the first arc guide groove 41. When the adjusting block 4 rotates relative to the arc-shaped base 3, the rotating guide screw 8 and the first arc-shaped guide groove 41 can guide the adjusting block 4 in a rotating manner, so that the adjusting block cannot deviate in the rotating process. Scales 42 are arranged on the side edge of the first arc-shaped guide groove 41, and an operator observes the numerical value aligned with the rotary guide screw 8, so that the radian of the current display screen can be directly judged.
The arc splicing mechanism further comprises a quick-release locking mechanism 7, the quick-release locking mechanism 7 comprises a handle, a hinged shaft and a locking shaft, an eccentric hole is formed in one end of the handle, the hinged shaft is arranged in the eccentric hole, one end of the locking shaft is vertically connected with the hinged shaft, and a stop part is arranged at the other end of the locking shaft; the arc-shaped base 3 and the adjusting block 4 are all sleeved on the locking shaft. The quick-release locking mechanism 7 can further lock the arc-shaped base 3 and the adjusting block 4 in the vertical direction, so that the arc-shaped base and the adjusting block cannot shake in the vertical direction.
When the adjusting block 4 needs to be rotated, the handle can be rotated firstly, so that the quick-release locking mechanism 7 is in a loosening state, and then the first rotary locking bolt 5 and the second rotary locking bolt 6 are loosened, so that the adjusting block 4 can be rotated freely. When the adjusting block 4 is adjusted to the required radian, the first rotary locking bolt 5 and the second rotary locking bolt 6 are inserted into the corresponding first angle positioning hole 31 and the second angle positioning hole 32, and then the wrench of the quick-release locking mechanism 7 is buckled down, so that the arc-shaped base 3 and the adjusting block 4 can be completely locked. Preferably, the adjusting block 4 is further provided with a second arc-shaped guide groove 43, and the second arc-shaped guide groove 43 and the first arc-shaped guide groove 41 are on the same arc; the end of the quick release locking mechanism 7 is received in the second arc-shaped guide groove 43.
Preferably, the arc splicing mechanism of the embodiment further comprises two positioning bead screws 9; as shown in fig. 5, the first rotary locking bolt 5 and the second rotary locking bolt 6 are arranged on the top of the adjusting block 4; the bottom of the adjusting block 4 and the positions corresponding to the first rotary locking bolt and the second rotary locking bolt 6 are respectively provided with a positioning bead shifting screw, and an elastic bead of the positioning bead shifting screw faces the adjusting block 4. Because the arc base 3 is provided with the angle hole, when the adjusting block 4 rotates, the positioning glass bead screw 9 rotates along with the arc base, the elastic glass bead of the positioning ball shifting screw rolls on the arc base 3, when the next angle positioning hole is reached, the elastic glass bead pops out and is inserted into the bottom end of the angle positioning hole for pre-positioning, and an operator can directly sense and determine whether the rotation is in place according to the elastic force of the positioning ball shifting screw when the operator rotates.
The second box body 2 is connected with the adjusting block 4 through a quick-release lock catch 10, when the radians of the first box body 1 and the second box body 2 need to be adjusted, in order to save labor for adjustment, the quick-release lock catch 10 can be unlocked firstly, and only the adjusting block 4 is rotated during adjustment without rotating the whole second box body 2; after the radian of the arc splicing mechanism is locked, the second box body 2 and the adjusting block 4 are locked.
In conclusion, the arc splicing mechanism and the display screen provided by the invention can accurately position a plurality of radians without deviation, the whole process is convenient and quick to operate, and the arc splicing mechanism and the display screen can be operated by a single person with one hand.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. The arc splicing mechanism is characterized by comprising an arc base and an adjusting block, wherein the arc base is provided with a plurality of first angle positioning holes and a plurality of second angle positioning holes, the plurality of first angle positioning holes are arranged along a first arc line, the plurality of second angle positioning holes are arranged along a second arc line, and the first arc line and the second arc line are concentric; the adjusting block is sleeved outside the arc-shaped base, a first rotary locking bolt is fixed at a position, corresponding to the first angle positioning hole, on the adjusting block, and a second rotary locking bolt is fixed at a position, corresponding to the second angle positioning hole, on the adjusting block; the first rotary locking bolt and the second rotary locking bolt respectively comprise a rotating shaft, a fixed block and a spring, a protruding part is arranged at the upper part of the rotating shaft, and a stop ring is arranged at the lower part of the rotating shaft; the fixed block is sleeved on the rotating shaft, and a clamping groove matched with the protruding part is formed in the upper end of the fixed block; the spring is sleeved on the rotating shaft, and two ends of the spring respectively abut against the fixed block and the stop ring; the fixed block is fixedly connected with the adjusting block; when the protruding part is clamped in the clamping groove, the bottom end of the rotating shaft is inserted into the angle positioning hole, and the adjusting block is limited from shaking; when the protruding portion is separated from the clamping groove, the rotating shaft is separated from the angle positioning hole.
2. The arc-splicing mechanism of claim 1, wherein a rotary steering screw is fixed on the arc-shaped base; the adjusting block is provided with a first arc-shaped guide groove, the first arc-shaped guide groove is concentric with the first arc line, and the end part of the rotary guide screw is accommodated in the first arc-shaped guide groove.
3. The arc-splicing mechanism according to claim 2, wherein scales are arranged on the side edge of the first arc-shaped guide groove.
4. The arc splicing mechanism according to claim 2, further comprising a quick release locking mechanism, wherein the quick release locking mechanism comprises a handle, a hinge shaft and a locking shaft, an eccentric hole is formed at one end of the handle, the hinge shaft is arranged in the eccentric hole, one end of the locking shaft is vertically connected with the hinge shaft, and a stop member is arranged at the other end of the locking shaft; the arc-shaped base and the adjusting block are all sleeved on the locking shaft.
5. The arc splicing mechanism according to claim 4, wherein a second arc-shaped guide groove is further formed in the adjusting block, and the second arc-shaped guide groove and the first arc-shaped guide groove are on the same arc; the end part of the quick-release locking mechanism is accommodated in the second arc-shaped guide groove.
6. An arc splicing mechanism according to claim 1, further comprising two positioning bead screws; the first rotary locking bolt and the second rotary locking bolt are arranged at the top of the adjusting block; and the positions of the bottom of the adjusting block corresponding to the first rotary locking bolt and the second rotary locking bolt are respectively provided with a positioning glass bead screw.
7. The arc splicing mechanism according to claim 1, wherein the number of the first angle positioning holes is seven, and the seven first angle positioning holes are arranged at equal intervals; the number of the second angle positioning holes is three, and the three second angle positioning holes are arranged at equal intervals.
8. A display screen, characterized by comprising the arc splicing mechanism as claimed in any one of claims 1 to 7, and further comprising a first box body and a second box body, wherein the arc-shaped base is fixed on the first box body, and the adjusting block is connected with the second box body.
9. The display screen of claim 8, wherein the adjustment block is coupled to the second housing by a quick release latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384899.5A CN106993386B (en) | 2017-05-26 | 2017-05-26 | Arc splicing mechanism and display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384899.5A CN106993386B (en) | 2017-05-26 | 2017-05-26 | Arc splicing mechanism and display screen |
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| CN106993386A CN106993386A (en) | 2017-07-28 |
| CN106993386B true CN106993386B (en) | 2022-07-19 |
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| CN201710384899.5A Active CN106993386B (en) | 2017-05-26 | 2017-05-26 | Arc splicing mechanism and display screen |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393427A (en) * | 2017-08-01 | 2017-11-24 | 深圳市雷凌显示技术有限公司 | A kind of display screen and mosaic screen |
| CN107403593A (en) * | 2017-08-01 | 2017-11-28 | 深圳市雷凌显示技术有限公司 | A kind of mosaic screen and its splicing body |
| CN107452287B (en) * | 2017-09-05 | 2023-04-25 | 深圳市洲明科技股份有限公司 | LED display screen box lock catch structure |
| CN107588065B (en) * | 2017-09-29 | 2020-01-14 | 深圳市洲明科技股份有限公司 | Arc lock and display screen |
| CN110401111A (en) * | 2019-08-09 | 2019-11-01 | 利亚德光电股份有限公司 | Connection component and power supply case assembly with it |
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| CN202871203U (en) * | 2012-08-31 | 2013-04-10 | 深圳市联建光电股份有限公司 | Light-emitting diode (LED) display screen unit box body assembling device |
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| CN106993386A (en) | 2017-07-28 |
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