CN104358978A - Lifting rotary supporting bracket for displayer - Google Patents
Lifting rotary supporting bracket for displayer Download PDFInfo
- Publication number
- CN104358978A CN104358978A CN201410539236.2A CN201410539236A CN104358978A CN 104358978 A CN104358978 A CN 104358978A CN 201410539236 A CN201410539236 A CN 201410539236A CN 104358978 A CN104358978 A CN 104358978A
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- China
- Prior art keywords
- piece
- frame member
- base
- screw rod
- lifters
- Prior art date
- 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
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- 230000000007 visual effect Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract 4
- 238000005516 engineering process Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a lifting rotary supporting bracket for a displayer. The supporting bracket comprises a base, and also comprises a nut piece, a screw piece, a bracket piece, a lifting piece and a rotation stopping unit, wherein the nut piece and the screw piece are mutually screwed; the both ends of the screw piece are respectively supported at the upper part and the lower part of the bracket piece in a pivot manner; the lifting piece slides up and down in the bracket piece, and is fixedly connected with the nut piece, and the lifting piece lifts relative to the bracket piece when the screw piece rotates; the rotation stopping unit comprises a blocking finger which is pivoted on the bracket piece, a positioning rod is fixed at the lower side of the blocking finger, the base adopts the structure that the upper layer and the lower layer are connected in a pivot manner, the blocking finger is fixed on the upper layer along with the bracket piece and can rotate along with the upper layer, a plurality of positioning holes are formed in the lower layer of the base, the positioning holes are uniformly distributed along the periphery, a through hole is formed in the upper layer of the base, and the positioning rod penetrates through the through hole of the upper layer of the base to be inserted into the positioning hole to fix the rotation stopping unit when the screw piece is in contact or clamped by the blocking finger. The supporting bracket can be used for conveniently adjusting the height of the displayer and synchronously adjusting the left and right viewing angles, the structure is steady after being adjusted, the supporting bracket is especially suitable for hanging overweight screens and various displayers with different weights, and the universality is higher.
Description
Technical field
The present invention relates to a kind of display device lifting rotation supporting frame, belong to display device (following or claim display screen or claim screen) and use supporting frame design field.
Background technique
Flourish along with Digital A/V technology, the utilization of display device is very extensive.But display device mostly needs to be arranged on supporting frame so that use, but, the lifting class supporting frame of prior art is generally not too suitable maybe needs the lifting of hanging different screen representation display screen to support to overweight screen, this is because one: overweight large-size screen monitors, once the lifting spring of its inside ruptures suddenly, overweight large display screen can fall at a high speed and be subject to huge shock, very likely causes expensive large display screen to damage and even causes personal injury; Two are, the multiple difference that batch is not very big is shielded to the display screen of weight-normality lattice, can not support with a kind of supporting frame, but need often kind of lifting support frame of all joining different size support force, also the lifting support frame of the different support force specifications according to the different corresponding same quantity of the supporting exploitation of screen weight-normality lattice is namely needed, this can increase a large amount of designing and developing and operating cost, brings certain waste.
Summary of the invention
The present invention seeks to overcome the deficiencies in the prior art, a kind of display device lifting rotation supporting frame is provided, be particularly suitable for overweight large-size screen monitors or need to adapt to hang the multiple different lifting support frame shielding representation display screen.
Technological scheme of the present invention is:
A kind of display device lifting rotation supporting frame of the present invention, for the support of display screen, comprises base 6, also comprises:
The nut part 2 that at least one pair of screws mutually and screw rod part 1;
Frame member 4, described screw rod part 1 two ends are supported on described frame member about 4 position respectively pivotally;
Lifters 3, it slides up and down in described frame member 4, and is connected mutually with described nut part 2, and when described screw rod part 1 rotates, described lifters 3 opposite brackets part 4 is elevated;
Spline unit 5, comprise the gear finger 52 of pressing screw rod part described in tactile or screens, described gear finger 52 is articulated on frame member 4, positioning rod 53 is also fixed with on the downside of described gear finger 52, described base 6 is upper, lower floor is pivoted structure, described gear finger 52 is fixed on base 6 upper strata with frame member 4, thus can rotate with base upper strata, described base 6 lower floor is provided with some positioning holes 61 matched with positioning rod 53, described positioning hole 61 is circumferentially uniformly distributed, described base 6 upper strata is also provided with through hole 62, when keeping off finger 52 and carrying out screw rod part 1 described in the tactile or screens of pressure, described positioning rod 52 inserts different positioning hole 61 with fixing spline unit 5 through the through hole 62 on base 6 upper strata.
Further, for simplifying the pivoting supporting structure of described screw rod part 1, described screw rod part 1 liang of top head shaft core position is provided with local dent, and described frame member 4 corresponding part also forms local dent, and a coated steel ball realizes the pivot support of described screw rod part 1 jointly.
Further, be simplified structure, described lifters 3 connects described display screen.
Further, for ease of display screen adjustment luffing angle, also comprise screen tilt hinge mechanism, one portion is connected with described display screen, and one is connected with described lifters 3, for described display screen adjust pitching and or rotation needed for visual angle.
Further, for convenience of the adjustment of frame member 4, also comprise Tilt hinge, one portion is connected with described base 6, and one is connected with described frame member 4, to adjust the inclination angle of the relatively described base 6 of described frame member 4.
Further, for making lifting more smooth and easy, also comprising at least one slide track component 7, connecting described lifters 3 and described frame member 4 respectively, with make lifters 3 by described slide track component 7 better relatively described frame member 4 be elevated.
Further, preferably, for improving for the purpose of support stiffness, described slide track component 7 is two groups.
Further, also comprise at least one spring assembly, functionally connect described lifters 3 and described frame member 4 respectively, produce opposing when described lifters 3 is elevated, balance the spring force of described display screen gravity.
Further, according to different situations, described screw rod part 1 two ends can also form pivot support by bearing and described frame member 4 corresponding part.
Advantage of the present invention is:
Overcome the deficiency that supporting frame is in the past not suitable for supporting special screen, being particularly suitable for overweight screen such as large-size screen monitors maybe needs the lifting adapting to hang the heavy specification display screens of multiple difference screen to support, structural design is simple, display screen lift adjustment is convenient, upper based on base, lower floor is pivoted rotary structure, also can visual angle, synchronization regulation display screen left and right when carrying out height and regulating, the positioning rod of spline unit and the matching design of positioning hole, strengthen the stability of the rear structure of frame member adjustment, operate freely light, and save because a kind of supporting frame can hang the screen of Different Weight, eliminate the expense of exploitation multiple difference screen weight-normality lattice supporting frame, decrease waste.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is support frame structure shaft side figure of the present invention;
Fig. 2 is support frame base substructure schematic diagram of the present invention.
Wherein: 1-screw rod part 2-nut part 3-lifters 4-frame member 5-spline unit 51-bearing 52-keeps off finger 53 positioning rod 54-protruding 6-base 61-positioning hole 62-through hole 7-slide track component.
Embodiment
By specific embodiment the present invention is described further below in conjunction with accompanying drawing Fig. 1 and 2 and illustrates; but not in order to limit the present invention; all within the present invention's spirit and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
As shown in Figure 1, a kind of display device lifting rotation supporting frame, in order to supporting display screen, comprise base 6, also comprise at least one pair of nut part 2 mutually screwed and screw rod part 1 (for reducing costs, this example preferably a pair) (selection of pitch and lubrication should at least when nut part 2 can be able to rotate by described screw rod part 1 when being subject to axial force, for this reason, usual pitch wants large, make described nut part 2 and the mutual not self-locking of described screw rod part 1, certainly, pitch increase also requires appropriateness, in order to avoid drive described screw rod part 1 rotational velocity is too soon or too slow and cause lifting feel bad when described nut part 2 moves up and down), (this example is sheet metal part also to comprise lifters 3, be mainly used in accommodation to be connected described nut part 2, another also for directly connecting display screen, or be display screen adjustment pitching of being more convenient for, indirectly display screen can be connected by described screen tilt hinge mechanism, this hinge structure and use are the modal known technology of the industry, therefore accompanying drawing does not draw), (this example adopts sheet metal part punching press to be bent into the box-like of a upright opening also to comprise frame member 4, the left and right sides in its inner face forms the up and down guiding shape sliding groove structure suitable with described lifters 3, for and be convenient to described lifters 3 and can slide up and down but can not rotate, the groove that such as described lifters 3 correspondence is arranged and described frame member 4 is suitable or projection realize moving up and down each other and limit again the rotation of described lifters 3 simultaneously, but in accompanying drawing, this chute class formation can not slide track component 7 described in following two groups of turning effort and outstandingly in the accompanying drawings to express because separately having loaded same only lifting guiding, described screw rod part 1 two ends are supported on described frame member about 4 position respectively pivotally, wherein pivot support method can adopt bearing class as centripetal or thrust or centripetal thrust force structure rolling bearing, certainly, sliding bearing also can, but frictional force is larger, these structure technologies and installation are obviously known technology, this example is for simplified structure and reduce costs, preferred described screw rod part 1 liang of top head shaft core position is provided with local dent, described frame member 4 corresponding part also forms local dent, a coated steel ball realizes the pivot support of described screw rod part 1 jointly, also comprise spline unit 5, the described spline unit 5 gear finger 52 that is manually shifted is pressed and is touched or screw rod part 1 thus make its spline described in screens, because should keep motionless after display screen lifting puts in place, and due to display screen self gravitation always force nut part 2 move down and rotate with drive screw part 1, therefore need be pressed by described spline unit 5 and touch or make it no longer rotate because of the frictional force rotation voluntarily that (or by retaining structure adaptive between the two coordinating as latch and hole slot) carrys out screw rod part 1 as described in backstop of screw rod part 1 shown in screens, thus maintenance lifters 3 position is motionless, in this example, spline unit 5 adopts the gear finger 52 of swing-arm type to rotate spline around axle 51, for increase screw rod part 1 and spline unit 5 gear finger 52 between frictional force, screw rod part 1 can arrange larger with the contacting point diameter of gear finger 52 or be set with large diameter dish like members, keep off finger 52 in this example and can arrange protruding 54 with screw rod part 1 contact position, gear finger 52 front end lower vertical is fixed with positioning rod 53 (positioning rod 53 may also be one-body molded with gear finger 52), described gear finger 52 is arranged on frame member 4 bottom by bearing 51, described base 6 comprises, lower floor is pivoted structure, described frame member 4 is arranged on the upper strata of base 6, and can rotate with upper strata, the visual angle, left and right of adjustable screen, described base 6 upper strata is also provided with through hole 62, described base lower floor is provided with some positioning holes 61 matched with positioning rod 53, positioning hole 61 is circumferentially uniformly distributed, its structure as shown in Figure 2, after adjusting to the right place in screen height and visual angle, left and right, manually be rotated down gear finger 52, namely corresponding positioning hole 61 in through hole 62 inserted base 6 lower floor that gear finger 52 is arranged by base 6 upper strata is fixed spline unit 5 because of pressure touch and is moved left and right, ensure the steadiness of spline operation.
Further, for making the lifting of lifters 3 described above in described frame member 4 more smooth, also in described frame member 4, at least one slide track component 7 that is connected can be installed, the described slide track component 7 passing through to be connected to make lifters 3 more smoothly relatively described frame member 4 is elevated, this known technology very passed through for the industry, therefore do not repeat, this example is for improving for the purpose of anti-torsion and support stiffness, described slide track component 7 adopts two groups, and described two groups of slide rail parts 7 make to slide up and down the more smooth and easy lifters 3 that simultaneously also limit and rotate.It is worth mentioning that, change into if above-mentioned and adopt discrete the above screw rod part 1 of two couples and described nut part 2, described lifters 3 has been limited rotation because being connected two discrete described nut parts 2 simultaneously, therefore no longer including of obviously becoming of the dependency structure that can only be elevated the rotary spacing of described lifters 3 in described frame member 4 is necessary, certainly now described slide track component just more need not yet, obvious cost may be slightly higher, but this example adopts is the structure of a described slide track component 7.
For the purpose of rapid operation, also comprise at least one spring assembly, it functionally connects described lifters 3 and described frame member 4 respectively, produces opposing, balances the spring force of described display screen gravity when described lifters 3 is elevated; Suggestion adopts the most frequently used constant force spring of the industry, and this makes equilibrant can be more constant on whole lifting travel, and it installs the known technology connecting and pass through very much for the industry, therefore does not repeat,
During concrete use, the described spline unit 5 of release that only need be shifted, to the spline of described screw rod part 1, then drags display screen lifting to desired location and after angle by screw rod part 1 described in described spline unit 5 spline locking.When overweight screen etc. is large, when heavily screen hangs up, in case of as described in the fortuitous event such as spring breakage occur time, because of the speedup performance of screw pair, the reasons such as its mechanical efficiency is little, screen gravity falls together with described nut part 2 thus orders about described screw rod part 1 and accelerates to rotate, but increase with the rotating speed of described screw rod part 1, because the frictional resistance moment at the damping oil in screw thread and two ends etc. can nonlinearly sharply increase, thus make the rotating speed of described screw rod part 1 increase slow and just seldom add after being increased to certain speed, therefore, screen rate of descent can not be accelerated too fast so that breaks and or cause personal injury.Again when the screen as Different Weight hangs over this same supporting frame, because of by described spline unit 5 spline and screw pair to the immunity of weight, the screen of multiple weight specification can be supported, save the exploitation of multi items supporting frame, manufacturing expense, also save the time simultaneously.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (9)
1. a display device lifting rotation supporting frame, for the support of display screen, comprises base (6), characterized by further comprising,
At least one pair of nut part mutually screwed (2) and screw rod part (1);
Frame member (4), described screw rod part (1) two ends are supported on described frame member (4) position up and down respectively pivotally;
Lifters (3), it slides up and down in described frame member (4), and be connected mutually with described nut part (2), described lifters (3) opposite brackets part (4) lifting when described screw rod part (1) is rotated;
Spline unit (5), it comprises the gear finger (52) of pressing screw rod part (1) described in tactile or screens, described gear finger (52) is articulated on frame member (4), described gear finger (52) downside is also fixed with positioning rod (53), described base (6) is for upper, lower floor is pivoted structure, described gear finger (52) is fixed on base (6) upper strata with frame member (4), thus can rotate with upper strata, described base (6) lower floor is provided with some positioning holes (61) matched with positioning rod (53), described positioning hole (61) is circumferentially uniformly distributed, described base upper strata is also provided with through hole (62), when keeping off finger (52) and carrying out screw rod part (1) described in the tactile or screens of pressure, described positioning rod (53) inserts different positioning hole (61) with fixing spline unit (5) through the through hole (62) on base upper strata.
2. a kind of display device lifting rotation supporting frame according to claim 1, it is characterized in that, described screw rod part (1) two top head shaft core position is provided with local dent, described frame member (4) corresponding part also forms local dent, and a coated steel ball realizes the pivot support of described screw rod part (1) jointly.
3. a kind of display device lifting rotation supporting frame according to claim 1, it is characterized in that, described lifters (3) connects described display screen.
4. a kind of display device lifting rotation supporting frame according to claim 1 or 3, it is characterized in that: also comprise screen tilt hinge mechanism, one portion is connected with described display screen, one is connected with described lifters (3), for the adjustment pitching of described display screen and or visual angle needed for rotating.
5. a kind of display device lifting rotation supporting frame according to claim 1, it is characterized in that, also comprise Tilt hinge, one portion is connected with described base (6), one is connected with described frame member (4), to adjust the inclination angle of the relatively described base (6) of described frame member (4).
6. a kind of display device lifting rotation supporting frame according to claim 1, it is characterized in that: also comprise at least one slide track component (7), connect described lifters (3) and described frame member (4) respectively, with make lifters (3) by described slide track component (7) better relatively described frame member (4) be elevated.
7. a kind of display device lifting rotation supporting frame according to claim 6, is characterized in that: described slide track component (7) is two groups.
8. a kind of display device lifting rotation supporting frame according to claim 1, it is characterized in that: also comprise at least one spring assembly, functionally connect described lifters (3) and described frame member (4) respectively, produce opposing when described lifters (3) is elevated, balance the spring force of described display screen gravity.
9. a kind of display device lifting rotation supporting frame according to claim 1, is characterized in that: described screw rod part (1) two ends forms pivot support by bearing and described frame member (4) corresponding part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539236.2A CN104358978A (en) | 2014-10-13 | 2014-10-13 | Lifting rotary supporting bracket for displayer |
| PCT/CN2014/088952 WO2016058198A1 (en) | 2014-10-13 | 2014-10-20 | Lifting/lowering rotatable support frame for display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539236.2A CN104358978A (en) | 2014-10-13 | 2014-10-13 | Lifting rotary supporting bracket for displayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104358978A true CN104358978A (en) | 2015-02-18 |
Family
ID=52526268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410539236.2A Pending CN104358978A (en) | 2014-10-13 | 2014-10-13 | Lifting rotary supporting bracket for displayer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104358978A (en) |
| WO (1) | WO2016058198A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016058198A1 (en) * | 2014-10-13 | 2016-04-21 | 徐新华 | Lifting/lowering rotatable support frame for display device |
| CN105932580A (en) * | 2016-06-02 | 2016-09-07 | 国网山东省电力公司济南供电公司 | Overhaul platform of switch handcart |
| CN106764300A (en) * | 2017-02-28 | 2017-05-31 | 何立刚 | A kind of video camera remote-control electric bracket |
| CN107044579A (en) * | 2017-05-03 | 2017-08-15 | 谢阳萍 | E-book reader apparatus for placing is used in a kind of e-book viewing |
| CN107344530A (en) * | 2017-04-26 | 2017-11-14 | 惠州市华阳多媒体电子有限公司 | A kind of Vehicular screen rotary drive structure |
| CN107504339A (en) * | 2017-09-28 | 2017-12-22 | 周元忠 | A kind of instrument and meter hanging frame device |
| CN109099288A (en) * | 2018-09-28 | 2018-12-28 | 安徽省中车科技有限公司 | A kind of portable electronic warning sign |
| CN111520581A (en) * | 2020-04-28 | 2020-08-11 | 深圳市苓贯科技有限公司 | LED screen capable of being displayed in multiple directions and being adjusted in height up and down |
| CN113280229A (en) * | 2021-06-08 | 2021-08-20 | 秦皇岛职业技术学院 | Display device with adjustable education is used |
| CN113339671A (en) * | 2021-07-09 | 2021-09-03 | 东莞市宏联电子有限公司 | Display screen lifting and rotating method, support structure and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016058198A1 (en) * | 2014-10-13 | 2016-04-21 | 徐新华 | Lifting/lowering rotatable support frame for display device |
| CN105932580A (en) * | 2016-06-02 | 2016-09-07 | 国网山东省电力公司济南供电公司 | Overhaul platform of switch handcart |
| CN106764300A (en) * | 2017-02-28 | 2017-05-31 | 何立刚 | A kind of video camera remote-control electric bracket |
| CN107344530A (en) * | 2017-04-26 | 2017-11-14 | 惠州市华阳多媒体电子有限公司 | A kind of Vehicular screen rotary drive structure |
| CN107044579A (en) * | 2017-05-03 | 2017-08-15 | 谢阳萍 | E-book reader apparatus for placing is used in a kind of e-book viewing |
| CN107504339A (en) * | 2017-09-28 | 2017-12-22 | 周元忠 | A kind of instrument and meter hanging frame device |
| CN109099288A (en) * | 2018-09-28 | 2018-12-28 | 安徽省中车科技有限公司 | A kind of portable electronic warning sign |
| CN111520581A (en) * | 2020-04-28 | 2020-08-11 | 深圳市苓贯科技有限公司 | LED screen capable of being displayed in multiple directions and being adjusted in height up and down |
| CN111520581B (en) * | 2020-04-28 | 2021-10-22 | 深圳市苓贯科技有限公司 | LED screen capable of being displayed in multiple directions and being adjusted in height up and down |
| CN113280229A (en) * | 2021-06-08 | 2021-08-20 | 秦皇岛职业技术学院 | Display device with adjustable education is used |
| CN113280229B (en) * | 2021-06-08 | 2022-12-13 | 秦皇岛职业技术学院 | Display device with adjustable education is used |
| CN113339671A (en) * | 2021-07-09 | 2021-09-03 | 东莞市宏联电子有限公司 | Display screen lifting and rotating method, support structure and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016058198A1 (en) | 2016-04-21 |
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Application publication date: 20150218 |