CN103778863B - A kind of LED display antinose-dive leg - Google Patents
A kind of LED display antinose-dive leg Download PDFInfo
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- CN103778863B CN103778863B CN201410037126.6A CN201410037126A CN103778863B CN 103778863 B CN103778863 B CN 103778863B CN 201410037126 A CN201410037126 A CN 201410037126A CN 103778863 B CN103778863 B CN 103778863B
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- rotary table
- lower rotary
- top rotary
- reference field
- boss
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Abstract
The invention discloses a kind of LED display antinose-dive leg, comprise casing, the base hinged with casing, also comprise top rotary table, lower rotary table, rotating shaft and spring, top rotary table is fixedly connected with casing, lower rotary table is fixedly connected with base, and rotating shaft is connected with lower rotary table through top rotary table, and spring fitting is in rotating shaft, spring makes the lower surface of top rotary table abut all the time with the upper surface of lower rotary table, rotating shaft and top rotary table clearance fit; Top rotary table comprises reference field I, relative to the step of reference field I to lower convexity; The groove lower than reference field II that lower rotary table comprises reference field II, coordinates with the step of top rotary table.By this support rotating interlock and tilt, structure is simple, and operation is succinct, and adjustment is stable.The present invention can be widely used in the slope adjusting device of LED display casing.
Description
Technical field
The present invention relates to LED display casing, particularly antinose-dive leg.
Background technology
Along with the development of LED technology, the usable range of light-emitting diode display is more and more extensive, light-emitting diode display is adopted to have the favor that self many merits is subject to people, as little in wide, the full firmware equipment volume of work power consumption low, fast response time, operating ambient temperature range, anti-impact force good and life-span length etc.; Itself be semiconductor element simultaneously, therefore can be completely compatible with IC circuit, driving circuits is easy of integration in flat-panel monitor, reduces the volume of display further, also conveniently can realize the multipath transmission of signal.In many large-scale public arenas, in order to give the public clear and definite information, the large display screen utilizing LED to make is utilized widely, as shown information for the game in court.The auditorium in usual court is all stepped to be arranged from level to level, spectators see that display screen is due to residing position difference, cause seeing that display screen there will be deviation, in order to avoid this type of phenomenon, usually the regulating device regulating display screen angle of inclination is provided with at display screen back, but structure is too complicated, wayward.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of LED display antinose-dive leg, the convenient angle of inclination regulating LED display.
The solution that the present invention solves its technical matters is: a kind of LED display antinose-dive leg, comprise casing, the base hinged with casing, also comprise top rotary table, lower rotary table, rotating shaft and spring, top rotary table is fixedly connected with casing, lower rotary table is fixedly connected with base, and rotating shaft is connected with lower rotary table through top rotary table, and spring fitting is in rotating shaft, spring makes the lower surface of top rotary table abut all the time with the upper surface of lower rotary table, rotating shaft and top rotary table clearance fit; Top rotary table comprises reference field I, relative to the step of reference field I to lower convexity; The groove lower than reference field II that lower rotary table comprises reference field II, coordinates with the step of top rotary table.
Preferred further, described top rotary table and lower rotary table entirety are in round pie, and top rotary table is identical with lower rotary table external diameter, and the center line of rotating shaft overlaps with the center line of top rotary table, lower rotary table.
Preferred further, described lower rotary table also comprises the boss corresponding with groove location, and described step comprises first step and second step, wherein first step and groove fit, and second step coordinates with boss.
Further preferred, described is the step surface of a continuous two-stage height change with the first step of groove fit, and the described boss coordinated with second step is the step surface of a continuous two-stage height change.
Preferred further, described lower rotary table is provided with the stop edge higher than reference field II, and top rotary table is provided with the stop mouth coordinated with stop edge.
Preferred further, with the line of centres of stop edge and lower rotary table for datum line, the center in first height step face of boss and the line at the center of lower rotary table and datum line angle in 90 °, the center in second height step face of boss becomes 110 ° of angles with the line at the center of lower rotary table with datum line; Described second step is provided with fin, lower rotary table is provided with multiple recessed rib coordinated with fin, when second step abuts with stop edge, the first recessed rib coordinates with fin, second recessed rib is positioned on reference field II, be 70 ° with the centripetal angle of the first recessed rib, the 3rd recessed rib is positioned on the first height step face of boss, and the centripetal angle of the 3rd recessed rib and the second recessed rib is 20 °, 4th recessed rib is positioned on the second height step face of boss, and the centripetal angle of the 4th recessed rib and the 3rd recessed rib is 20 °.
Preferred further, described first step, second step and reference field I seamlessly transit; Described boss and reference field II seamlessly transit.
Preferred further, described top rotary table is also provided with auxiliary step, and secondary station component level is in the side of the first step with groove fit, and lower rotary table is provided with the auxiliary flute corresponding with auxiliary step.
The invention has the beneficial effects as follows: when the relative angle of rotating box and base time, change the matching relationship of top rotary table and lower rotary table, the step of top rotary table is abutted with the reference field of lower rotary table by original, change into and abut with the groove of lower rotary table, abut because top rotary table remains with lower rotary table, so the inevitable lower rotary table run-off the straight relatively of top rotary table, and then the angle of inclination of casing is changed.By this support rotating interlock and tilt, structure is simple, and operation is succinct, and adjustment is stable.
Further, by arranging different bench heights, realize the multistage change at angle of inclination, and coordinating by fin and recessed rib, make accurate positioning, it is more convenient to operate.
The present invention can be widely used in the slope adjusting device of LED display casing.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is partial enlarged drawing of the present invention;
Fig. 3 is the structural representation of top rotary table of the present invention, lower rotary table.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of LED display antinose-dive leg, comprise casing 1, the base 2 hinged with casing 1, also comprise top rotary table 3, lower rotary table 4, rotating shaft and spring, top rotary table 3 is fixedly connected with casing 1, and lower rotary table 4 is fixedly connected with base 2, rotating shaft is connected with lower rotary table 4 through top rotary table 3, spring fitting is in rotating shaft, and spring makes the lower surface of top rotary table 3 abut all the time with the upper surface of lower rotary table 4, rotating shaft and top rotary table 3 clearance fit; Top rotary table 3 comprises reference field I31, relative to the step 32 of reference field I31 to lower convexity; The groove 42 lower than reference field II41 that lower rotary table 4 comprises reference field II41, coordinates with the step 32 of top rotary table 3.When the relative angle of rotating box and base time, change the matching relationship of top rotary table and lower rotary table, the step of top rotary table is abutted with the reference field of lower rotary table by original, change into and abut with the groove of lower rotary table, abut because top rotary table remains with lower rotary table, so the inevitable lower rotary table run-off the straight relatively of top rotary table, and then the angle of inclination of casing is changed.By this support rotating interlock and tilt, structure is simple, and operation is succinct, and adjustment is stable.
Preferred further, described top rotary table 3 and lower rotary table 4 entirety are in round pie, and top rotary table 3 is identical with lower rotary table 4 external diameter, and the center line of rotating shaft overlaps with the center line of top rotary table 3, lower rotary table 4.The top rotary table of this form and lower rotary table structure are simply, easy to adjust.
Preferred further, described lower rotary table 4 also comprises the boss 43 corresponding with groove 42 position, and described step 32 comprises first step 321 and second step 322, and wherein first step 321 coordinates with groove 42, and second step 322 coordinates with boss 43.In order to the body structure after making is more stable, adjusts convenient, so be provided with boss on the opposite of groove, by one high and one low cooperation, top rotary table is abutted with lower rotary table more reliable.
Preferred further, the described first step 321 coordinated with groove 42 is step surfaces of a continuous two-stage height change, and the described boss 43 coordinated with second step 322 is step surfaces of a continuous two-stage height change.In order to realize different angle of inclination demands, by arranging boss and the step of two-stage differing heights, the angle of inclination of the relative lower rotary table of top rotary table is changed.
Preferred further, described lower rotary table 4 is provided with the stop edge 44 higher than reference field II41, and top rotary table 3 is provided with the stop mouth coordinated with stop edge 44.In order to easy to operate, by arranging stop edge, the anglec of rotation of top rotary table and lower rotary table is controlled within the specific limits.
Preferred further, with the line of centres of stop edge 44 and lower rotary table 4 for datum line, the line at the center in first height step face of boss 43 and the center of lower rotary table 4 and datum line angle in 90 °, the center in second height step face of boss 43 becomes 110 ° of angles with the line at the center of lower rotary table 4 with datum line; Described second step 322 is provided with fin 33, lower rotary table 4 is provided with multiple recessed rib 45 coordinated with fin 33, when second step 322 abuts with stop edge 44, the first recessed rib 451 coordinates with fin 33, second recessed rib 452 is positioned on reference field II41, it is 70 ° with the centripetal angle of the first recessed rib 451,3rd recessed rib 453 is positioned on the first height step face of boss 43, the centripetal angle of the 3rd recessed rib 453 and the second recessed rib 452 is 20 °, 4th recessed rib 454 is positioned on the second height step face of boss 43, and the centripetal angle of the 4th recessed rib 454 and the 3rd recessed rib 453 is 20 °.
Preferred further, described first step 321, second step 322 seamlessly transit with reference field I31; Described boss 43 seamlessly transits with reference field II41.
Preferred further, described top rotary table 3 is also provided with auxiliary step 34, and auxiliary step 34 is positioned at the side of the first step 321 coordinated with groove 42, and lower rotary table 4 is provided with the auxiliary flute 46 corresponding with auxiliary step 34.In order to strengthen the case supports power after to inclination, by arranging many auxiliary steps and groove fit.
Workflow of the present invention is: at the beginning, the second step of top rotary table abuts with the stop edge of lower rotary table, and the first recessed rib coordinates with the fin of second step, and now the angle of LED display casing and base is 0 °, when turn clockwise casing time, drive top rotary table to rotate relative to lower rotary table, the first recessed rib is separated with fin, and recessed rib moves on the reference field II of lower rotary table, when after rotation 70 °, fin coordinates with the second recessed rib, and in this process, casing and surface level keep vertical always; When casing continues to turn clockwise time, first step starts to enter groove, second step starts to enter boss, after rotation is to 90 °, 3rd recessed rib coordinates with fin, first height face of first step abuts with the limit of groove, second step and boss first highly face abut, boss first highly with top rotary table diameter constitute the pitch angle of 85 ° that is the angle of casing and surface level; Then continue to rotate clockwise casing, fin departs from the 3rd recessed rib and is rotated further along boss, when casing and base form 110 ° of angles, fin coordinates with the 4th recessed rib, second height face of first step abuts with groove floor, second step abuts with the second height face of boss, second height of boss and top rotary table diameter constitute the pitch angle of 80 ° that is the angle of casing and surface level; Now the side of first step and the bottom surface of groove abut against, and casing can not continue to rotate clockwise.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a LED display antinose-dive leg, comprise casing (1), the base (2) hinged with casing (1), it is characterized in that: also comprise top rotary table (3), lower rotary table (4), rotating shaft and spring, top rotary table (3) is fixedly connected with casing (1), lower rotary table (4) is fixedly connected with base (2), rotating shaft is connected with lower rotary table (4) through top rotary table (3), spring fitting is in rotating shaft, spring makes the lower surface of top rotary table (3) abut all the time with the upper surface of lower rotary table (4), rotating shaft and top rotary table (3) clearance fit; Top rotary table (3) comprises reference field I(31), relative to reference field I(31) to the step (32) of lower convexity; Lower rotary table (4) comprises reference field II(41), coordinate with the step (32) of top rotary table (3) than reference field II(41) low groove (42); Described top rotary table (3) and lower rotary table (4) entirety are in round pie, and top rotary table (3) is identical with lower rotary table (4) external diameter, and the center line of rotating shaft overlaps with the center line of top rotary table (3), lower rotary table (4); Described lower rotary table (4) also comprises the boss (43) corresponding with groove (42) position, described step (32) comprises first step (321) and second step (322), wherein first step (321) coordinates with groove (42), and second step (322) coordinates with boss (43).
2. LED display antinose-dive leg according to claim 1, it is characterized in that: the described first step (321) coordinated with groove (42) is the step surface of a continuous two-stage height change, the described boss (43) coordinated with second step (322) is the step surface of a continuous two-stage height change.
3. LED display antinose-dive leg according to claim 2, is characterized in that: described lower rotary table (4) is provided with than reference field II(41) high stop edge (44), top rotary table (3) is provided with the stop mouth coordinated with stop edge (44).
4. LED display antinose-dive leg according to claim 3, it is characterized in that: with the line of centres of stop edge (44) and lower rotary table (4) for datum line, the line at the center in first height step face of boss (43) and the center of lower rotary table (4) and datum line angle in 90 °, the center in second height step face of boss (43) becomes 110 degree of angles with the line at the center of lower rotary table (4) with datum line, described second step (322) is provided with fin (33), lower rotary table (4) is provided with multiple recessed rib (45) coordinated with fin (33), when second step (322) abuts with stop edge (44), the first recessed rib (451) coordinates with fin (33), second recessed rib (452) is positioned at reference field II(41) on, it is 70 ° with the centripetal angle of the first recessed rib (451), 3rd recessed rib (453) is positioned on the first height step face of boss (43), 3rd recessed rib (453) is 20 ° with the centripetal angle of the second recessed rib (452), 4th recessed rib (454) is positioned on the second height step face of boss (43), 4th recessed rib (454) is 20 ° with the centripetal angle of the 3rd recessed rib (453).
5. LED display antinose-dive leg according to claim 4, is characterized in that: described first step (321), second step (322) and reference field I(31) seamlessly transit; Described boss (43) and reference field II(41) seamlessly transit.
6. LED display antinose-dive leg according to claim 5, it is characterized in that: described top rotary table (3) is also provided with auxiliary step (34), auxiliary step (34) is positioned at the side of the first step (321) coordinated with groove (42), and lower rotary table (4) is provided with the auxiliary flute (46) corresponding with auxiliary step (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037126.6A CN103778863B (en) | 2014-01-26 | 2014-01-26 | A kind of LED display antinose-dive leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037126.6A CN103778863B (en) | 2014-01-26 | 2014-01-26 | A kind of LED display antinose-dive leg |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103778863A CN103778863A (en) | 2014-05-07 |
| CN103778863B true CN103778863B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410037126.6A Active CN103778863B (en) | 2014-01-26 | 2014-01-26 | A kind of LED display antinose-dive leg |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112178430A (en) * | 2020-10-25 | 2021-01-05 | 湖南白杨网络科技有限公司 | Electronic equipment for security protection convenient to installation |
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| KR100212313B1 (en) * | 1996-11-06 | 1999-08-02 | 윤종용 | Lcd display device |
| JPH10238693A (en) * | 1997-02-28 | 1998-09-08 | Sony Corp | Stand turning mechanism |
| CN2651572Y (en) * | 2002-04-26 | 2004-10-27 | 中山立信摄影器材有限公司 | Rapid angle adjuster of tripod legs |
| KR100703876B1 (en) * | 2005-05-28 | 2007-04-06 | 피케이텍시스템 주식회사 | Hinge |
| EP1887273A3 (en) * | 2006-08-10 | 2009-06-10 | Samsung Electronics Co., Ltd. | Supporting apparatus for display devices and display device having the same |
| CN101524222B (en) * | 2008-03-05 | 2012-05-30 | 鸿富锦精密工业（深圳）有限公司 | Support shelf structure |
| CN201225364Y (en) * | 2008-07-28 | 2009-04-22 | 兆利科技工业股份有限公司 | Cam assembly |
| US8149194B2 (en) * | 2009-12-01 | 2012-04-03 | Amtran Technology Co., Ltd | Liquid crystal display and base structure thereof |
| CN201772215U (en) * | 2010-06-25 | 2011-03-23 | 深圳市同方多媒体科技有限公司 | Rotary base for large-size television |
| CN102537892B (en) * | 2010-12-17 | 2013-11-27 | 海洋王照明科技股份有限公司 | Lamp mounting bracket and illuminating device comprising same |
| CN202068520U (en) * | 2011-06-03 | 2011-12-07 | 帕诺迪电器（深圳）有限公司 | Minisize set-top box with rotary shaft |
| CN202381941U (en) * | 2011-12-28 | 2012-08-15 | 苏州胜利精密制造科技股份有限公司 | Multifunctional liquid crystal display television base rotating mechanism |
| CN203082471U (en) * | 2012-12-12 | 2013-07-24 | 马洪 | Rotatable installation structure |
| CN203322663U (en) * | 2012-12-20 | 2013-12-04 | 广州智讯通信系统有限公司 | Stoppable rotary base and display screen assembly using same |
| CN203787034U (en) * | 2014-01-26 | 2014-08-20 | 佛山市青松科技有限公司 | LED (light emitting diode) display screen box bracket |
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2014
- 2014-01-26 CN CN201410037126.6A patent/CN103778863B/en active Active
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| CN103778863A (en) | 2014-05-07 |
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Address after: 528000 Guangdong Province Nanhai District of Foshan City, Guicheng E03 block area Xia site north of Sanshan (workshop -1) Applicant after: CHAINZONE TECHNOLOGY (FOSHAN) CO., LTD. Address before: 528000 Guangdong Province, Foshan City Nanhai District GUI two industrial district Applicant before: Chainzone Technology (Foshan) Co., Ltd. |
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