CN206421754U - A kind of warm tip board - Google Patents
A kind of warm tip board Download PDFInfo
- Publication number
- CN206421754U CN206421754U CN201621362034.6U CN201621362034U CN206421754U CN 206421754 U CN206421754 U CN 206421754U CN 201621362034 U CN201621362034 U CN 201621362034U CN 206421754 U CN206421754 U CN 206421754U
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- China
- Prior art keywords
- gear
- support
- ratchet
- pedal
- worm
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Abstract
The utility model discloses a kind of warm tip board, including support, the notice board for being connected to support and being inclined to set, the notice board is in be hinged setting with support, the support is provided with runner assembly, the runner assembly includes that one end is rotationally connected with support and the other end is connected to the rotating shaft of notice board, the worm gear coaxially connected with rotating shaft, is rotationally connected with support and engage the worm screw for being arranged at worm gear, angle of friction of the worm screw lead angle less than worm and wormwheel engagement.The utility model is provided can adjust angle so as to a kind of warm tip board of reading tip plate surface information according to different situations.
Description
Technical field
The utility model is related to direction board field, more particularly to a kind of warm tip board.
Background technology
With the continuous improvement of people's living standards, visit tourism has turned into the deep stress-relieving activity liked by masses.
In order to indicate road or position to visitor, facilitate visitor to understand scenic spot information, typically can all be set on scenic spot doorway or road
Notice board, draws sight spot map and the sight spot information introduction for having scenic spot on notice board.
Visitor is read for convenience, shown in reference picture 8, and existing notice board is generally comprised in the support being vertically arranged
1, the notice board 2 between support 1 is connected to, the height that notice board 2 is put is relatively low, and is inclined to set, has notice board 2 interior
The one side of appearance is towards visitor, but in actual reading conditions, because the height of each visitor is different, and each moment sun
Direct projection angle it is different, in viewing reading conditions, can have an insufficient light or the problem of direct light reflection causes dazzling, make
Reading process has some setbacks.
Utility model content
The purpose of this utility model is to provide a kind of warm tip board, using worm drive worm gear wheel, and then by rotating shaft
To drive notice board to rotate, so as to adjust angle according to different situations so as to the information of reading tip plate surface.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of warm tip board,
Including support, the notice board for being connected to support and being inclined to set, the notice board is set up with support in setting, the branch is hinged
There is runner assembly, the runner assembly is rotationally connected with support including one end and the other end is connected to the rotating shaft of notice board, with turning
The coaxially connected worm gear of axle, it is rotationally connected with support and engagement is arranged at the worm screw of worm gear, the worm screw lead angle is less than worm screw
The angle of friction of worm gear engagement.
By using above-mentioned technical proposal, when information of the visitor on reading tip plate, and strong sunlight is once met
Direct projection or because height is different can not see content clearly when, as long as rotary worm carrys out the worm gear wheel of drive connection rotating shaft, by turning
Axle drives monoblock notice board to be rotated on support, so as to carry out angle to notice board according to itself different situation
The change of degree, enable the inclined degree of prompting plate surface according to the height of actual sunlight irradiating angle or different visitors come
It is adjusted, notice board is met the reading requirement of different visitors and the reading requirement of varying environment, using scope more
Plus extensively；Because worm screw lead angle is less than the angle of friction engaged between worm and wormwheel, and then worm and worm wheel is had self-locking performance,
Make worm screw can only unidirectional drive worm gear wheel, worm gear can not reverse drive worm screw so that notice board will not be because of the relation being hinged
And issue in the factor of self gravitation and be born from dynamic rotation, after having adjusted, notice board is kept an angle without rotation.
The utility model is further arranged to：The support is provided with foot-operated component, and the foot-operated component includes being articulated with branch
The pedal of frame, one end are rotated by pedal-driven and the other end is rotationally connected with the power transmission shaft of support, coaxially connected carried on the back in power transmission shaft
First bevel gear from pedal one end, the coaxially connected second bevel gear that first bevel gear is arranged in worm screw and engagement.
By using above-mentioned technical proposal, when needing to adjust the angle of notice board, as long as stepping on pedal, using pedal come
Drive axis is driven, then by the transmission of first bevel gear and second bevel gear, by itself axially on horizontal power transmission shaft
Rotate and be transferred on vertical worm screw, making vertical worm screw drive worm gear wheel, then by worm gear will be in axially horizontal rotating shaft
Driving, enables notice board to be rotated around the axial direction of rotating shaft.
The utility model is further arranged to：Unidirectional drive assembly, the pedal are provided between the pedal and power transmission shaft
It is connected between the rotor plate for being integrally formed and being set in same plane including two pieces, two pieces of rotor plates and is rotationally connected with branch
The bearing pin of frame, the pedal reciprocating rotation is in support and drives power transmission shaft to rotate in one direction.
By using above-mentioned technical proposal, because in order to easily be trampled, the stroke of pedal is all smaller, this
When, pedal is stepped on downwards can only drive notice board to rotate certain angle, if pedal lifted again when pushing again, can weigh again
Newly will be prompted to plate goes to original angle, in order that notice board can rotate bigger angle, it is adaptable to bigger scope, utilizes
Unidirectional drive assembly, can drive power transmission shaft to rotate facing one direction when trampling rotor plate repeatedly, and then can be constantly
Notice board is driven, notice board is rotated in the larger context, the reading requirement of greater angle is met.
The utility model is further arranged to：The unidirectional drive assembly includes being articulated with one of rotor plate away from pin
The connecting rod of axle one end and power transmission shaft are in coaxially connected rotating disk, and the connecting rod is articulated with disk edge away from rotor plate one end.
By using above-mentioned technical proposal, it is hinged using the bias of connecting rod and rotating disk, when back and forth trampling two pieces of rotor plates,
One of rotor plate come driving rotating disk will make lasting rotation facing one direction by connecting rod, so as to will be prompted to plate
Bigger angle is rotated, it is applicable bigger scope.
The utility model is further arranged to：One of them described rotor plate is connected with curved setting away from bearing pin one end
Rack, the holder pivots are connected with the first gear by rack drives；The power transmission shaft is same away from first bevel gear one end
Axle is connected with the ratchet cover plate, and the ratchet cover plate is provided with interior ratchet along its circumferencial direction, and the ratchet cover plate center rotating is connected with connection
Lever, the gangbar away from ratchet disk center one end be hinged with interior ratchet be in engage setting ratchet, the gangbar by
First gear driving rotates around ratchet disk center and drives the ratchet cover plate to rotate in one direction simultaneously.
By using above-mentioned technical proposal, when rotor plate driving arc-shaped rack motion, rack will drive first gear
Rotate, first gear drives gangbar to make the rotary motion around ratchet disk center again, is now hinged in gangbar
Ratchet can only could drive the ratchet cover plate to rotate together when rotating in one direction, so as to drive power transmission shaft court by the ratchet cover plate again
One direction is rotated, so when visitor back and forth tramples rotor plate, rotor plate only could final band under the rotation in a direction
Dynamic notice board rotates to adjust angle, and then can increase the scope of regulation notice board angle.
The utility model is further arranged to：It is in engage the little gear set, institute that the holder pivots, which are connected with rack,
Little gear is stated with first gear in being coaxially disposed, the diameter of the first gear is more than the diameter of little gear；In the gangbar
It is in engage the second gear set that the heart, which is coaxially connected with first gear, and the diameter of the first gear is more than the straight of second gear
Footpath.
By using above-mentioned technical proposal, using little gear, make pedal depression identical amplitude, i.e. band carry-over bar mobile phase
Same radian, can just drive the more number of turns of pinion rotation, then by first gear directly setting more than second gear diameter
Put, using the diameter of first gear as an arm of force, the diameter of second gear also serves as an arm of force, now driving the second tooth
In crop rotation rotary movement, the driving force forced in first gear can just reduce, so as to also can just reduce visitor foot
To the driving force of pedal, enable operating process more laborsaving.
The utility model is further arranged to：Torsion spring is connected between one of them described rotor plate and bearing pin.
By using above-mentioned technical proposal, rotor plate is set to automatically reply original position using torsion spring, and then driving
Cheng Zhong, facilitates visitor and rotor plate is trampled, make repeatedly to trample driving process lighter.
The utility model is further arranged to：The support and notice board are made up of imitation wood line metal material.
By using above-mentioned technical proposal, the support and notice board being made using metal material, ensure that first support and
The structural strength of notice board, what can be stablized is placed on ground, and the metal material belongs to imitation wood grain material, enhances
Its aesthetic property, can more conform to the tourist attraction of natural, ecological.
In summary, the utility model has the advantages that：The pedal connected using torsion spring drives linkage repeatedly
Bar is rotated, then is acted on by the unidirectional drive of ratchet in the ratchet and the ratchet cover plate being hinged in gangbar, gangbar is being made reciprocal
It driving pawl disk can only be rotated in the rotation process in wherein one direction during rotation, and then the regulation of notice board can be increased
Angle, expands it and uses scope.
Brief description of the drawings
Fig. 1 is the structural representation that the present embodiment one is mainly used in embodying support；
Fig. 2 is that the present embodiment one is mainly used in embodying structural representation inside wherein one montant；
Fig. 3 is Fig. 2 I portions enlarged drawing, is mainly used in embodying worm and gear；
Fig. 4 is the structural representation that the present embodiment two is mainly used in embodying pedal assembly；
Fig. 5 is Fig. 4 II portions enlarged drawing, is mainly used in embodying pedal assembly；
Fig. 6 is the structural representation of this implementation three；
Fig. 7 is Fig. 6 III portions enlarged drawing, is mainly used in embodying the structural representation such as rack and the ratchet cover plate；
Fig. 8 is the structural representation of prior art.
Reference：1st, support；11st, montant；12nd, cross bar；13rd, support bar；14th, platform；2nd, notice board；3rd, rotating group
Part；31st, rotating shaft；32nd, worm gear；33rd, worm screw；4th, component is ridden；41st, pedal；411st, rotor plate；412nd, bearing pin；42nd, power transmission shaft；
43rd, first bevel gear；44th, second bevel gear；5th, connecting rod；51st, rotating disk；6th, rack；61st, first gear；62nd, the ratchet cover plate；621、
Interior ratchet；622nd, holding tank；63rd, gangbar；64th, ratchet；7th, little gear；8th, second gear；9th, torsion spring；10th, handwheel.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment one：
A kind of warm tip board, shown in reference picture 1, including a support 1, support 1 is including three in erecting for being vertically arranged
Bar 11, be connected to three bottoms of montant 11 and in a horizontally disposed cross bar 12, be vertically connected at cross bar 12 and connect respectively
Support bar 13 in each bottom of montant 11；A cuboid platform 14, platform 14 are connected with the centre position of montant 11
Surface in horizontally disposed.
Shown in reference picture 2-3, a block length cube notice board 2 is respectively provided between adjacent two montants 11；In the court of notice board 2
An axial direction is connected on to two side walls of montant 11 in horizontal rotating shaft 31；Rotating shaft 31 deviates from one end of notice board 2
It is rotationally connected with montant 11；The one end for wearing montant 11 in rotating shaft 31 is coaxially connected with a worm gear 32；Provided with worm gear 32
One is provided with montant 11 in the worm screw 33 being vertically arranged, worm screw 33 is rotationally connected with montant 11 and is arranged in the upper of montant 11
End face and it is coaxially connected with a handwheel 10；When manufacturing and designing, the lead angle of worm screw 33 is less than what the worm gear 32 of worm screw 33 was engaged
Angle of friction, so that both have self-locking action.
The operation principle of the present embodiment is：When needing to adjust the angle of notice board 2, using handwheel 10 come rotary worm
33, and then drive worm gear 32 to rotate by worm screw 33, enable worm gear 32 to drive rotating shaft 31 to rotate, be finally completed the angle of notice board 2
Degree regulation；Meanwhile, using the self-locking action of the worm screw 33 of worm gear 32, can effectively it prevent because of the gravity of notice board 2 itself
Rotate.
Embodiment two：
A kind of warm tip board, shown in reference picture 4-5, is with the difference of embodiment one, same in the bottom of worm screw 33
Axle is connected with a second bevel gear 44；An axial direction is rotatably connected in montant 11 in level and engagement is arranged at the second cone
The first bevel gear 43 of gear 44；First bevel gear 43 is coaxially connected with a power transmission shaft 42；Power transmission shaft 42 is away from the first cone tooth
Take turns 43 one end and be coaxially connected with a rotating disk 51；One is hinged with the end face of rotating disk 51 close to edge to be located in perpendicular
Connecting rod 5；Connecting rod 5 is connected with a cuboid rotor plate 411 away from one end of rotating disk 51；Rotor plate 411 deviates from one end of connecting rod 5
Integrally formed with another piece of rotor plate 411 of its structure identical；Between the position of two pieces of junctions of rotor plate 411 and support 1
It is connected with a bearing pin 412.
The operation principle of the present embodiment is：It is anti-by visitor when needing to adjust the angle of notice board 2 shown in reference picture 3-5
Trample again the connecting rod 5 on two pieces of rotor plates 411, one of rotor plate 411 will driving rotating disk 51 make unidirectional lasting
Rotate, so as to drive power transmission shaft 42 to make the lasting rotation in a direction, recycle first bevel gear 43 and second bevel gear 44
Effect the horizontal axis of power transmission shaft 42 rotates to the vertical axial rotation for being transferred to worm screw 33, finally by being engaged with worm screw 33
The rotating shaft 31 that worm gear 32 carrys out drive connection and has notice board 2 rotates, and then completes the regulation of the angle of notice board 2.
Embodiment three：
A kind of warm tip board, shown in reference picture 6-7, is, rotor plate 411 and bearing pin with the difference of embodiment two
A torsion spring 9 is connected between 412；One piece of rotor plate 411 is connected with one away from one end of bearing pin 412 and curved set wherein
The rack 6 put；It is in engage the little gear 7 set that one is rotatably connected on support 1 with rack 6；Little gear 7 is coaxially connected with
One diameter is more than the first gear 61 of its diameter；First gear 61, which is engaged, is provided with the second tooth that a diameter is less than its diameter
Wheel 8；Second gear 8 is coaxially connected with a gangbar 63；The two ends of gangbar 63 are hinged with a ratchet 64, two ratchets
64 directions pointed to are along the circumferential direction same direction；A spine in disk form is rotatably connected in the center of gangbar 63
Wheel disc 62；A holding tank 622 for being used to place gangbar 63 and ratchet 64 is provided with the end face of the ratchet cover plate 62；Accommodating
The side wall of groove 622 is evenly arranged with some interior ratchets 621 along its circumferencial direction, and interior ratchet 621 is in engage setting with ratchet 64
And by the unidirectional drive of ratchet 64；It is connected in the ratchet cover plate 62 away from the center of the end face of gangbar 63 with power transmission shaft 42.
The operation principle of the present embodiment is：Shown in reference picture 3, Fig. 6 and Fig. 7, when needing to adjust the angle of notice board 2,
Using the restoring force of torsion spring 9, rotor plate 411 is trampled repeatedly, and little gear 7, first gear 61 and second gear are passed through using rack 6
8 gearing driving gangbar 63 makees reciprocal rotation, and gangbar 63 is when a direction is rotated thereto, by 64 pairs of ratchet
The impetus of interior ratchet 621, can driving pawl disk 62 rotate, and gangbar 63 toward opposite direction rotate when, ratchet 64 with
Gangbar 63 is hinged effect and will not force in interior ratchet 621, thus it is reciprocal trample rotor plate 411 when, can be by ratchet
The rotation in 42 works of the driving of disk 62 power transmission shaft, one direction, and then will be passed by the effect of first bevel gear 43 and second bevel gear 44
The horizontal axis of moving axis 42 rotates the vertical axial rotation for being transferred to worm screw 33, is finally driven by the worm gear 32 engaged with worm screw 33
The dynamic rotating shaft 31 for being connected with notice board 2 rotates, and then completes the regulation of the angle of notice board 2.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of warm tip board, including support（1）, be connected to support（1）And the notice board being inclined to set（2）, its feature
It is：The notice board（2）With support（1）In being hinged setting, the support（1）Provided with runner assembly（3）, the runner assembly
（3）Support is rotationally connected with including one end（1）And the other end is connected to notice board（2）Rotating shaft（31）With rotating shaft（31）Coaxially
The worm gear of connection（32）, be rotationally connected with support（1）And engagement is arranged at worm gear（32）Worm screw（33）, the worm screw（33）Lead
Journey angle is less than worm screw（33）Worm gear（32）The angle of friction of engagement.
2. a kind of warm tip board according to claim 1, it is characterized in that：The support（1）Provided with foot-operated component（4）,
The foot-operated component（4）Including being articulated with support（1）Pedal（41）, one end is by pedal（41）Driving rotation and other end rotation
It is connected to support（1）Power transmission shaft（42）, it is coaxially connected in power transmission shaft（42）Away from pedal（41）The first bevel gear of one end
（43）, it is coaxially connected in worm screw（33）And engagement is arranged at first bevel gear（43）Second bevel gear（44）.
3. a kind of warm tip board according to claim 2, it is characterized in that：The pedal（41）With power transmission shaft（42）Between
Provided with unidirectional drive assembly, the pedal（41）The rotor plate for being integrally formed and being set in same plane including two pieces（411）, two
Rotor plate described in block（411）Between be connected with and be rotationally connected with support（1）Bearing pin（412）, the pedal（41）Reciprocating rotation
In support（1）And driving power transmission shaft（42）Rotate in one direction.
4. a kind of warm tip board according to claim 3, it is characterized in that：The unidirectional drive assembly includes being articulated with it
In a rotor plate（411）Away from bearing pin（412）The connecting rod of one end（5）With power transmission shaft（42）In coaxially connected rotating disk（51）,
The connecting rod（5）Away from rotor plate（411）One end is articulated with rotating disk（51）Edge.
5. a kind of warm tip board according to claim 3, it is characterized in that：One of them described rotor plate（411）It is remote
Bearing pin（412）One end is connected with the rack of curved setting（6）, the support（1）It is rotatably connected to by rack（6）The of driving
One gear（61）；The power transmission shaft（42）Away from first bevel gear（43）One end is coaxially connected with the ratchet cover plate（62）, the ratchet
Disk（62）Its circumferencial direction is provided with interior ratchet（621）, the ratchet cover plate（62）Center rotating is connected with gangbar（63）, institute
State gangbar（63）Away from the ratchet cover plate（62）Center one end is hinged with and interior ratchet（621）The ratchet set in engagement（64）, institute
State gangbar（63）By first gear（61）Driving is around the ratchet cover plate（62）Center rotates and while drives the ratchet cover plate（62）
Rotate in one direction.
6. a kind of warm tip board according to claim 5, it is characterized in that：The support（1）It is rotatably connected to and rack
（6）The little gear set in engagement（7）, the little gear（7）With first gear（61）In being coaxially disposed, the first gear
（61）Diameter be more than little gear（7）Diameter；The gangbar（63）Central coaxial is connected with and first gear（61）In nibbling
Close the second gear set（8）, the first gear（61）Diameter be more than second gear（8）Diameter.
7. a kind of warm tip board according to claim 5 or 6, it is characterized in that：One of them described rotor plate（411）With
Bearing pin（412）Between be connected with torsion spring（9）.
8. a kind of warm tip board according to claim 1, it is characterized in that：The support（1）And notice board（2）By imitation wood
Line metal material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362034.6U CN206421754U (en) | 2016-12-12 | 2016-12-12 | A kind of warm tip board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362034.6U CN206421754U (en) | 2016-12-12 | 2016-12-12 | A kind of warm tip board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421754U true CN206421754U (en) | 2017-08-18 |
Family
ID=59575812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621362034.6U Expired - Fee Related CN206421754U (en) | 2016-12-12 | 2016-12-12 | A kind of warm tip board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206421754U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578696A (en) * | 2017-08-30 | 2018-01-12 | 国网山东省电力公司菏泽市定陶区供电公司 | A kind of power transmission line warning board angle regulator |
| CN108767688A (en) * | 2018-06-06 | 2018-11-06 | 荣马电器有限公司 | A kind of Fire Fighting Pump Control distribution box |
| CN108894445A (en) * | 2018-07-07 | 2018-11-27 | 东莞市松研智达工业设计有限公司 | A kind of deformation stair based on worm gear drive that architectural engineering uses |
| CN109036113A (en) * | 2018-08-03 | 2018-12-18 | 渤海大学 | The Intelligent windproof component of high building billboard |
| CN110444106A (en) * | 2019-07-25 | 2019-11-12 | 简阳悠然岛生态农业专业合作社联合社 | A kind of agricultural sightseeing tourism sight spot introduction displaying device |
| CN111445729A (en) * | 2020-03-27 | 2020-07-24 | 郑州轻工业大学 | Ideological and political education learning equipment |
| CN111445805A (en) * | 2020-03-28 | 2020-07-24 | 浙江尚博建设有限公司 | Building wall advertisement screen |
| CN111462535A (en) * | 2020-04-24 | 2020-07-28 | 洛阳理工学院 | Auxiliary device is used in english and american literature study |
| CN112951111A (en) * | 2021-01-29 | 2021-06-11 | 陕西中医药大学 | Culture media advertisement device based on internet |
| CN112967624A (en) * | 2021-01-29 | 2021-06-15 | 安徽青云峡旅游发展有限公司 | Multifunctional outdoor display device for travel consultation and use method thereof |
| CN113870736A (en) * | 2021-09-17 | 2021-12-31 | 黄傅强 | City planning layout display device and method |
| CN114898669A (en) * | 2022-05-09 | 2022-08-12 | 安徽天域视听器材有限公司 | Splicing display system for monitoring feedback end |
-
2016
- 2016-12-12 CN CN201621362034.6U patent/CN206421754U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578696A (en) * | 2017-08-30 | 2018-01-12 | 国网山东省电力公司菏泽市定陶区供电公司 | A kind of power transmission line warning board angle regulator |
| CN108767688A (en) * | 2018-06-06 | 2018-11-06 | 荣马电器有限公司 | A kind of Fire Fighting Pump Control distribution box |
| CN108894445A (en) * | 2018-07-07 | 2018-11-27 | 东莞市松研智达工业设计有限公司 | A kind of deformation stair based on worm gear drive that architectural engineering uses |
| CN109036113B (en) * | 2018-08-03 | 2020-09-29 | 渤海大学 | Intelligent windproof component of high-rise billboard |
| CN109036113A (en) * | 2018-08-03 | 2018-12-18 | 渤海大学 | The Intelligent windproof component of high building billboard |
| CN110444106A (en) * | 2019-07-25 | 2019-11-12 | 简阳悠然岛生态农业专业合作社联合社 | A kind of agricultural sightseeing tourism sight spot introduction displaying device |
| CN111445729A (en) * | 2020-03-27 | 2020-07-24 | 郑州轻工业大学 | Ideological and political education learning equipment |
| CN111445805A (en) * | 2020-03-28 | 2020-07-24 | 浙江尚博建设有限公司 | Building wall advertisement screen |
| CN111462535A (en) * | 2020-04-24 | 2020-07-28 | 洛阳理工学院 | Auxiliary device is used in english and american literature study |
| CN111462535B (en) * | 2020-04-24 | 2021-07-16 | 洛阳理工学院 | Auxiliary device is used in english and american literature study |
| CN112951111A (en) * | 2021-01-29 | 2021-06-11 | 陕西中医药大学 | Culture media advertisement device based on internet |
| CN112967624A (en) * | 2021-01-29 | 2021-06-15 | 安徽青云峡旅游发展有限公司 | Multifunctional outdoor display device for travel consultation and use method thereof |
| CN112951111B (en) * | 2021-01-29 | 2021-09-14 | 陕西中医药大学 | Culture media advertisement device based on internet |
| CN113870736A (en) * | 2021-09-17 | 2021-12-31 | 黄傅强 | City planning layout display device and method |
| CN114898669A (en) * | 2022-05-09 | 2022-08-12 | 安徽天域视听器材有限公司 | Splicing display system for monitoring feedback end |
| CN114898669B (en) * | 2022-05-09 | 2024-02-09 | 安徽天域视听器材有限公司 | Spliced display system for monitoring feedback end |
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Granted publication date: 20170818 Termination date: 20191212 |