CN110220094A - A kind of computer screen support device - Google Patents
A kind of computer screen support device Download PDFInfo
- Publication number
- CN110220094A CN110220094A CN201910512763.7A CN201910512763A CN110220094A CN 110220094 A CN110220094 A CN 110220094A CN 201910512763 A CN201910512763 A CN 201910512763A CN 110220094 A CN110220094 A CN 110220094A
- Authority
- CN
- China
- Prior art keywords
- seat
- support device
- gear
- computer screen
- sliding seat
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
- F16M11/20—Undercarriages with or without wheels
- F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
- F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
-
- 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
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
Abstract
This application provides a kind of computer screen support devices, wherein, it include: pedestal, elevating mechanism and rotating mechanism, the elevating mechanism includes fixing seat, sliding seat and stop block, the fixing seat is fixed on the base, on the fixing seat, the stop block is arranged in the fixing seat, and the stop block is kept out in the side of the sliding seat for the sliding seat setting；The rotating mechanism is arranged in the sliding seat, the rotating mechanism includes rotation seat, driving unit, the first gear unit and the second gear unit, the rotation seat is rotatably arranged on the top of the sliding seat, and the driving unit drives the rotation seat to rotate on the top of the sliding seat by first gear unit and the second gear unit.Computer screen support device provided by the present application, solve existing support device for display screen can not be adjusted display screen mounting height and display screen towards the technical issues of.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of computer screen support device.
Background technique
In general, computer screen support device is fixed on the lower section of computer screen, current support device for display screen is more
For fixed structure, the angle of display screen can be adjusted, but the mounting height and display screen of display screen can not be adjusted
Direction, the special occasion narrow for many installation spaces, such as production line, need the bottom of computer screen support device
Seat is fixed, causes the direction of display screen to be fixed, use is very inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of computer screen support device, solve existing support device for display screen without
Method be adjusted display screen mounting height and display screen towards the technical issues of.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of computer screen support device, wherein include: pedestal, elevating mechanism and rotating mechanism, the elevating mechanism
Including fixing seat, sliding seat and stop block, the fixing seat is fixed on the base, and the sliding seat is arranged described solid
In reservation, the stop block is arranged in the fixing seat, and the stop block is kept out in the side of the sliding seat；Institute
It states rotating mechanism to be arranged in the sliding seat, the rotating mechanism includes rotation seat, driving unit, the first gear unit and the
Two gear units, the rotation seat are rotatably arranged on the top of the sliding seat, and the driving unit is driven by described first
Unit and the second gear unit drive the rotation seat to rotate on the top of the sliding seat.
Further, the stop block includes that the first spring, adjustment seat and a pair of of claw, first spring are kept out
Between a pair of of claw, the adjustment seat lifting is movably arranged in the fixing seat, and the claw includes linking arm and setting
Armstand in the linking arm side, one end of the linking arm are slidably arranged in the inside groove of the fixing seat, the connection
The other end of arm is articulated in the adjustment seat.
Further, one end of the linking arm has slide head, and the slide head is horizontal along the inside groove of the fixing seat
To sliding, the both ends of first spring are kept out respectively on the slide head of a pair of of claw, and the other end of the linking arm has
Mounting hole, the mounting hole are set in the fixed column in the adjustment seat.
Further, the upper end of the armstand all has clamping joint, and the clamping joint of a pair of of claw is respectively engaged with described
On the fin of sliding seat lower part two sides.
Further, the driving unit includes rack gear, roller gear and pushing block, and the rack gear and roller gear are mutual
Engagement, the pushing block is fixed on the side of the rack gear, and one end of the pushing block extends to the outside of the sliding seat.
Further, first gear unit includes intermeshing first bevel gear and second bevel gear, described
First bevel gear and second bevel gear are respectively positioned in the installation cavity of the sliding seat, the first bevel gear and the roller gear
Coaxial arrangement.
Further, second gear unit includes cone fluted disc, rotation axis, sleeve and two third hand tap gears, institute
It states cone fluted disc and is fixed on the upper intracavitary of the sliding seat, two third hand tap gears are separately positioned on the both ends of the rotation axis, and
Two third hand tap gears are engaged with the cone fluted disc, and the sleeve is set on the periphery of the rotation axis.
Further, optical axis is fixed on the downside of the sleeve, the optical axis extends downwardly into the installation cavity, institute
State the lower end that the optical axis is arranged in second bevel gear.
Further, the lower end of the rotation seat is provided with runner, and the both ends of the rotation axis extend respectively into described
In rotation seat.
Further, the upper end of the sleeve is provided with positioning protrusion, is arranged with second spring on the positioning protrusion,
It keeps out in the lower part of the rotation seat upper end of the second spring.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
The present invention can be adjusted the mounting height of display screen by the elevating mechanism, can be by the rotating mechanism
The direction of row adjustment display screen can carry out display screen mounting height and display screen court according to the height and use habit of user
To adjusting, adjustment flexibly, it is easy to use.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is using renderings of the invention.
Fig. 2 is the schematic diagram of the section structure of elevating mechanism and rotating mechanism of the invention.
Fig. 3 is the schematic diagram of the section structure of rotating mechanism of the invention.
Fig. 4 is the cross-sectional view of sleeve of the invention.
Fig. 5 is the partial structural diagram of Fig. 2 of the invention.
Fig. 6 is the structural schematic diagram of claw of the invention.
Fig. 7 is the left view of adjustment seat of the invention.
Description of symbols: pedestal -1, elevating mechanism -2, fixing seat -21, inside groove -211, guide groove -2111, sliding seat -
22, fin -221, installation cavity -222, gib block -2221, epicoele -223, claw -23, linking arm -231, armstand -232, sliding
Head -233, mounting hole -235, the first spring -24, adjustment seat -26, slide block -261, inner cavity -262, is fixed clamping joint -234
Column -263, under shed -264, rotating mechanism -3, driving unit -32, rack gear -321, roller gear -322, pushing block -323,
One bevel gear -33, second bevel gear -34, third hand tap gear -35, rotation axis -351, sleeve -36, cavity -361, positioning protrusion -
362, optical axis -363, second spring -37, rotation seat -38, runner -381, cone fluted disc -39.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
The application is described further below with reference to Fig. 1 to Fig. 7, a kind of computer screen as shown in Figure 1 supports dress
Set, comprising: pedestal 1, elevating mechanism 2 and rotating mechanism 3, as shown in Figure 2 and Figure 5, the elevating mechanism 2 include fixing seat 21,
Sliding seat 22 and stop block, the fixing seat 21 are fixed on the pedestal 1, and the sliding seat 22 is arranged in the fixing seat
On 21, the stop block is arranged in the fixing seat 21, and the stop block is kept out in the side of the sliding seat, institute
Stop block is stated for the display screen mounting height adjusted to be fixed, it is ensured that use that can be stable.
As shown in Figures 2 and 3, the rotating mechanism 3 is arranged in the sliding seat 22, and the rotating mechanism 3 includes turning
Dynamic seat 38, driving unit 32, the first gear unit and the second gear unit, the rotation seat 38 are rotatably arranged on the sliding seat
22 top, the driving unit 32 drive the rotation seat 38 in institute by first gear unit and the second gear unit
The top rotation of sliding seat 22 is stated, the present invention can be adjusted the mounting height of display screen by the elevating mechanism 2, pass through institute
The direction that rotating mechanism 3 can be adjusted display screen is stated, flexibly, easy to use, use is more comfortable for adjustment.
The upper end of the rotation seat 38 is for fixing display screen.
As shown in figure 5, the stop block includes the first spring 24, adjustment seat 26 and a pair of of claw 23, first bullet
Spring 24 is kept out between a pair of of claw 23, and the lifting of adjustment seat 26 is movably arranged in the fixing seat 21, the claw 23
It include linking arm 231 and the armstand 232 that 231 side of linking arm is set, setting is slided in one end of the linking arm 231
In the inside groove 211 of the fixing seat 21, the other end of the linking arm 231 is articulated in the adjustment seat 26.
As shown in Figure 5 and Figure 6, one end of the linking arm 231 has slide head 233, and the slide head 233 is along described solid
The inside groove 211 of reservation 21 slides laterally, and the slide head 233 in a pair of of claw 23 is kept out at the both ends of first spring 24 respectively
On, the other end of the linking arm 231 has mounting hole 235, and the mounting hole 235 is set in the fixation in the adjustment seat 26
On column 263.
As shown in Fig. 2, Fig. 3 and Fig. 6, the upper end of the armstand 232 all has clamping joint 234, the clamping of a pair of of claw 23
First 234 are respectively engaged on the fin 221 of the 22 lower part two sides of sliding seat.
The 22 lower part two sides of sliding seat are evenly arranged with several fins 221, convenient to extend to the sliding seat 22
Height in the fixing seat 21 is adjusted, and the clamping joint 234 is kept out between two neighboring fin 221, so that by adjusting
The display screen mounting height saved is reliably fixed, it is ensured that use that can be stable.
As shown in figure 5 and figure 7, there is inner cavity 262, the two sides of the inner cavity 262 all have side inside the adjustment seat 26
Opening, the fixed column 263 are located in the inner cavity 262, and the other end of the linking arm 231 extends to institute from the side opening
It states in the inner cavity 262 in adjustment seat 26.
The lower part of the adjustment seat 26 has under shed 264, and the middle part of first spring 24 is located at the under shed 264
It is interior.
The side of the adjustment seat 26 is fixed with slide block 261, and the slide block 261 extends to the outer of the fixing seat 21
Side can push the adjustment seat 26 to move upwards by dialing up the slide block 261, and the adjustment seat 26 moves upwards meeting
So that fixed column 263 of the mounting hole 235 on the linking arm 231 in the adjustment seat 26 rotates, 233 edge of slide head
Guide groove 2111 in the inside groove 211 slides laterally, and pair of sliding head 233 is close to each other, the 24 elasticity pressure of the first spring
Contracting, the claw 23 open, and can pull up or push down at this time the sliding seat 22, realize and adjust the computer screen
The height of support device adjusts to after suitable height, the slide block 261 dialed up is discharged, in first spring 24
Under elastic-restoring force effect, guide groove 2111 of the slide head 233 in the inside groove 211 is slid laterally, and pair of sliding head
233 are located remotely from each other, and the clamping joint 234 of a pair of of claw 23 is respectively engaged on the fin 221 of the 22 lower part two sides of sliding seat, will
The position of the sliding seat 22 is fixed, and realizes the height adjusting function of the computer screen support device.
As shown in Figures 2 and 3, the driving unit 32 is arranged in the installation cavity 222 of the sliding seat 22, the driving
Unit 32 includes rack gear 321, roller gear 322 and pushing block 323, and the rack gear 321 and roller gear 322 are intermeshed, institute
The side that pushing block 323 is fixed on the rack gear 321 is stated, and one end of the pushing block 323 extends to the sliding seat 22
Outside.
The downside of the installation cavity 222 has gib block 2221, and the rack gear 321 is slided along the gib block 2221, institute
State gib block 2221 and play guiding role, prevent the rack gear 321 from glancing off, allow the driving unit 32 steadily
Work.
First gear unit includes intermeshing first bevel gear 33 and second bevel gear 34, the first cone tooth
Wheel 33 and second bevel gear 34 are respectively positioned in the installation cavity 222 of the sliding seat 22, the first bevel gear 33 and the cylinder
Gear 322 is coaxially disposed.
Second gear unit includes boring fluted disc 39, rotation axis 351, sleeve 36 and two third hand tap gears 35, described
Cone fluted disc 39 is fixed in the epicoele 223 of the sliding seat 22, and two third hand tap gears 35 are separately positioned on the rotation axis 351
Both ends, and two third hand tap gears 35 are engaged with the cone fluted disc 39, and the sleeve 36 is set in the rotation axis 351
On periphery.
The driving unit 32 drives first gear unit to act, and first gear unit drives described second to pass
Moving cell movement, realizes the screen direction of adjustment display screen, and adjustment is flexibly, practical.
As shown in Figure 3 and Figure 4, the downside of the sleeve 36 is fixed with optical axis 363, and the optical axis 363 extends downwardly into institute
It states in installation cavity 222, the lower end of the optical axis 363 is arranged in the second bevel gear 34.
There is cavity 361, the middle part of the rotation axis 351 is located in the cavity 361 inside the sleeve 36.
The lower end of the rotation seat 38 is provided with runner 381, and the both ends of the rotation axis 351 extend respectively into the rotation
In seat 38, the outside of the rotation seat 38 is provided with annular groove, and the upper end of the sliding seat 22, which has, to be extended in the annular groove
Defining flange.
The upper end of the sleeve 36 is provided with positioning protrusion 362, is arranged with second spring 37 on the positioning protrusion 362,
The upper end of the second spring 37 is kept out in the lower part of the rotation seat 38, and the second spring 37 keeps the sleeve 36
Close to the cone fluted disc 39, it is ensured that the third hand tap gear 35 is kept and 39 engaged transmission of the cone fluted disc, and use is reliable and stable,
It is practical
When adjusting the direction of display screen, the pushing block 323 is stirred, the rack gear 321 drives 322 turns of the roller gear
Dynamic, so that rotating with the second bevel gear 34 of the roller gear 322 coaxial arrangement, the second bevel gear 34 drives the set
Cylinder 36 rotates, and the sleeve 36 drives the third hand tap gear 35 to roll on the cone fluted disc 39, and the rotation axis 351 pushes
The rotation seat 38 rotates, and by the rotation of the rotation seat 38, is adjusted the display for being fixed on 38 upper end of rotation seat
The direction of screen, easy to use, adjustment is flexible.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of computer screen support device characterized by comprising
Pedestal (1)；
Elevating mechanism (2), the elevating mechanism (2) include fixing seat (21), sliding seat (22) and stop block, the fixing seat
(21) it is fixed on the pedestal (1), the sliding seat (22) is arranged on the fixing seat (21), the stop block setting
In the fixing seat (21), and the stop block is kept out in the side of the sliding seat；
Rotating mechanism (3), in the sliding seat (22), the rotating mechanism (3) includes rotation for rotating mechanism (3) setting
Seat (38), driving unit (32), the first gear unit and the second gear unit, the rotation seat (38) are rotatably arranged on the work
The top of dynamic seat (22), the driving unit (32) drive the rotation by first gear unit and the second gear unit
Seat (38) rotates on the top of the sliding seat (22).
2. computer screen support device according to claim 1, which is characterized in that the stop block includes the first bullet
Spring (24), adjustment seat (26) and a pair of of claw (23), first spring (24) are kept out between a pair of of claw (23), the tune
Section seat (26) lifting is movably arranged in the fixing seat (21), and the claw (23) includes that linking arm (231) and setting exist
The armstand (232) of linking arm (231) side, one end of the linking arm (231) are slidably arranged in the fixing seat (21)
Inside groove (211) in, the other end of the linking arm (231) is articulated in the adjustment seat (26).
3. computer screen support device according to claim 2, which is characterized in that one end of the linking arm (231)
With slide head (233), inside groove (211) of the slide head (233) along the fixing seat (21) is slid laterally, first bullet
The both ends of spring (24) are kept out respectively on the slide head (233) of a pair of of claw (23), and the other end of the linking arm (231) has
Mounting hole (235), the mounting hole (235) are set in the fixed column (263) in the adjustment seat (26).
4. computer screen support device according to claim 3, which is characterized in that the upper end of the armstand (232) is equal
With clamping joint (234), the clamping joint (234) of a pair of of claw (23) is respectively engaged with the convex of the sliding seat (22) lower part two sides
On rib (221).
5. computer screen support device according to claim 1, which is characterized in that the driving unit (32) includes tooth
Item (321), roller gear (322) and pushing block (323), the rack gear (321) and roller gear (322) intermeshing, it is described
Pushing block (323) is fixed on the side of the rack gear (321), and one end of the pushing block (323) extends to the sliding seat
(22) outside.
6. computer screen support device according to claim 5, which is characterized in that first gear unit includes phase
The first bevel gear (33) and second bevel gear (34) mutually engaged, the first bevel gear (33) and second bevel gear (34) equal position
In in the installation cavity (222) of the sliding seat (22), the first bevel gear (33) and the roller gear (322) are coaxially set
It sets.
7. computer screen support device according to claim 6, which is characterized in that second gear unit includes cone
Fluted disc (39), rotation axis (351), sleeve (36) and two third hand tap gears (35), the cone fluted disc (39) are fixed on the work
In the epicoele (223) of dynamic seat (22), two third hand tap gears (35) are separately positioned on the both ends of the rotation axis (351), and two
A third hand tap gear (35) is engaged with the cone fluted disc (39), and the sleeve (36) is set in the outer of the rotation axis (351)
Zhou Shang.
8. computer screen support device according to claim 7, which is characterized in that the downside of the sleeve (36) is fixed
Have optical axis (363), the optical axis (363) extends downwardly into the installation cavity (222), and second bevel gear (34) setting exists
The lower end of the optical axis (363).
9. computer screen support device according to claim 8, which is characterized in that the lower end of the rotation seat (38) is set
It is equipped with runner (381), the both ends of the rotation axis (351) extend respectively into the rotation seat (38).
10. computer screen support device according to claim 9, which is characterized in that the upper end of the sleeve (36) is set
Be equipped with positioning protrusion (362), be arranged with second spring (37) on the positioning protrusion (362), the second spring (37) it is upper
It keeps out in the lower part of the rotation seat (38) at end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910512763.7A CN110220094B (en) | 2019-06-13 | 2019-06-13 | Computer screen strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910512763.7A CN110220094B (en) | 2019-06-13 | 2019-06-13 | Computer screen strutting arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110220094A true CN110220094A (en) | 2019-09-10 |
| CN110220094B CN110220094B (en) | 2021-01-12 |
Family
ID=67816987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910512763.7A Active CN110220094B (en) | 2019-06-13 | 2019-06-13 | Computer screen strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110220094B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412355A (en) * | 2020-04-23 | 2020-07-14 | 珠海市润星泰电器有限公司 | Lifting structure and display device support |
| CN112460413A (en) * | 2020-12-28 | 2021-03-09 | 常州信息职业技术学院 | Novel adjustable display screen for computer |
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| CN208935721U (en) * | 2018-10-17 | 2019-06-04 | 深圳市尚为伟业有限公司 | A kind of multimedia teaching touch control device |
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| CN206677608U (en) * | 2017-05-04 | 2017-11-28 | 浙江工业职业技术学院 | A kind of fixture made for lockset |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111412355A (en) * | 2020-04-23 | 2020-07-14 | 珠海市润星泰电器有限公司 | Lifting structure and display device support |
| CN111412355B (en) * | 2020-04-23 | 2021-08-20 | 珠海市润星泰电器有限公司 | Lifting structure and display device support |
| CN112460413A (en) * | 2020-12-28 | 2021-03-09 | 常州信息职业技术学院 | Novel adjustable display screen for computer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110220094B (en) | 2021-01-12 |
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