CN109036174A - A kind of promotional plate for public administration - Google Patents

A kind of promotional plate for public administration Download PDF

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Publication number
CN109036174A
CN109036174A CN201811031971.7A CN201811031971A CN109036174A CN 109036174 A CN109036174 A CN 109036174A CN 201811031971 A CN201811031971 A CN 201811031971A CN 109036174 A CN109036174 A CN 109036174A
Authority
CN
China
Prior art keywords
fixedly connected
support column
cleaning
public administration
promotional plate
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
Application number
CN201811031971.7A
Other languages
Chinese (zh)
Other versions
CN109036174B (en
Inventor
谢文静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Zhongyun Advertising Decoration Co.,Ltd.
Original Assignee
Hunan City University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan City University filed Critical Hunan City University
Priority to CN201811031971.7A priority Critical patent/CN109036174B/en
Publication of CN109036174A publication Critical patent/CN109036174A/en
Application granted granted Critical
Publication of CN109036174B publication Critical patent/CN109036174B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/02Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
    • G09F11/10Electrical control therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/14Wipes; Absorbent members, e.g. swabs or sponges
    • B08B1/143Wipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Gear Transmission (AREA)

Abstract

The invention discloses a kind of promotional plates for public administration, belong to public administration publicity field.A kind of promotional plate for public administration, the promotional plate of existing public administration, major part is all in outdoor, it is easy to enclose dust on promotional plate surface, and promotional plate generally lies in higher position, it is not easy to carry out cleaning to it, it can be while operating when using the present apparatus, it is cleaned, administrative staff can be greatly facilitated, and present apparatus publicity board uses Three-dimensional triangle structure, one side is had more than existing promotional plate, it can show more catch-phrases, reduce the number of replacement, the management difficulty of administrative staff can be reduced, single unit system uses automatic structure, only need installment work, it is subsequent to be not necessarily to nurse it, regulatory requirement now can be better met.

Description

A kind of promotional plate for public administration
Technical field
The present invention relates to public administration publicity field more particularly to a kind of promotional plates for public administration.
Background technique
Public administration is the defect for governability and a kind of management philosophy and management mode that generate.It is on the one hand strong " public character " of management objectives is adjusted, i.e. public power must fulfil public functions;Another supervision, restriction and specification, emphasizes to use On the one hand public power emphasizes the scientific method to public power;Public administration is the management to public affair, and public affair is The starting point of public administration determines that the inevitable situation of public administration is moved towards in public administration.In recent years, domestic educational circles is to public administration Some relevant issues carried out further investigated, achieve gratifying achievement.On the whole, public administration is to us or one New issue, public administration development are also in the starting stage.
But the publicity board apparatus of existing public administration, cleaning can not be carried out while replacement publicizes the page.
Summary of the invention
The purpose of the present invention is to solve one that can not carry out cleaning while replacement publicizes the page, and propose Kind is used for the promotional plate of public administration.
To achieve the goals above, present invention employs following technical solutions:
A kind of promotional plate for public administration, including support column A, support column B, cross tube and sheer pole, the cross tube are left Right both ends are fixedly connected with support column A and the upper end support column B respectively, the sheer pole left and right ends respectively with support column A and branch Dagger B middle-end is fixedly connected;
The support column A inner bottom is provided with motor, and the motor upper end is fixedly connected with transmission shaft, in the support column B Portion bottom end is provided with firm banking, and the firm banking upper end is flexibly connected with rotation axis, and the transmission shaft and rotation axis are from upper Worm gear and transmission gear are disposed under, the transmission gear engages connection, the transmission chain with driving chain both ends Side engages connection with multiple linkage gears, and the linkage gear axle center is fixedly connected with universal driving shaft, the universal driving shaft bottom end It is flexibly connected with linkage pedestal upper end, the linkage base bottom is fixedly connected with sheer pole inner bottom, on the universal driving shaft End be fixedly connected with timing disc axis, the timing disk with start disk be flexibly connected, the starting disc axis with open Moving axis lower end is top to be fixedly connected, and is fixedly connected outside the starting axis with publicity board, and the worm gear and cleaning device activity connect It connects.
Preferably, the cleaning device includes worm screw, engages connection at left and right sides of the worm gear and worm screw, on the worm screw Multiple cleaning gear As are provided with, the cleaning gear A engages connection, the cleaning chain other end and cleaning gear B with cleaning chain Engagement connection, the cleaning gear A are flexibly connected by cleaning chain with cleaning gear B, the cleaning gear B axle center and lubrication bar It is flexibly connected, is all fixedly connected with fixed block at left and right sides of the lubrication bar, in the middle part of the fixed block and transmission shaft and rotation axis Side is fixedly connected, and is provided with cleaning fixed block on the cleaning chain.
Preferably, the starting axis bottom end is flexibly connected with fixing bearing A, and the starting axis upper end and fixing bearing B are living Dynamic connection, the bottom end the fixing bearing A are fixedly connected with sheer pole inner bottom, in the upper end the fixing bearing B and cross tube Portion top is fixedly connected.
Preferably, the cleaning fixed block front end with cleaning fixed link be fixedly connected, the cleaning fixed link front end with clearly Clean sponge block one end is fixedly connected, and cleaning sponge block two sides are flexibly connected with publicity board two sides.
Preferably, the transmission shaft and rotation axis upper end are all flexibly connected with rolling bearing A, the upper end the rolling bearing A It is fixedly connected with support column A and support column B inner tip, the transmission shaft and rotation axis lower end are all living with rolling bearing B Dynamic connection, the lower end the rolling bearing B is fixedly connected with motor and firm banking top.
Preferably, the worm screw left and right ends are flexibly connected with swivel bearing, the swivel bearing respectively with support column A and The side support column B is fixedly connected.
Preferably, the motor bottom is fixedly connected with motor base upper end, the motor base and support column A inner bottom End is fixedly connected.
Preferably, the support column A and the lower end support column B are all fixedly connected with pedestal upper end
Preferably, the support column A and the outer surface support column B upper end are provided with headlamp.
Compared with prior art, the present invention provides a kind of promotional plate for public administration, have it is following the utility model has the advantages that
1. the promotional plate of existing public administration, most of all in outdoor, it is easy to enclose dust on promotional plate surface, and declare It passes board and generally lies in higher position, be not easy to carry out cleaning to it, it can be in the same of operating when using the present apparatus When, it is cleaned, administrative staff can be greatly facilitated, and present apparatus publicity board uses Three-dimensional triangle structure, than Existing promotional plate has more one side, can show more catch-phrases, reduce the number of replacement, it is possible to reduce the pipe of administrative staff Difficulty is managed, single unit system uses automatic structure, only needs installment work, and it is subsequent without being nursed to it, can preferably it expire The regulatory requirement of foot now.
2. in the specific use process, transmission shaft rotation is driven by starting motor, to turn with nutating gear It is dynamic, driving chain rotation is driven, so that the transmission gear in rotation axis be driven to rotate, engages connection with driving chain to drive Linkage gear rotation, drive timing disk rotational, when rotating to the predetermined time, then timing disk then will drive starting disk turn It is dynamic, so that publicity board be driven to rotate, exchange another side and show, drives it to exchange the page by the rotation of timing disk, reach The effect of catch-phrase is replaced in timing, can be timed by the size of gear, it is more convenient to be not required to manual operation.
3, while page change, the worm gear on transmission shaft top will will drive worm screw rotation, to drive thereon Gear A rotation is cleaned, cleaning chain is driven to start turning, to drive cleaning sponge block and the two sides of publicity board thereon that phase occurs To movement, so that publicity board is cleaned, since linkage gear drives timing disk rotational when just starting rotation, but It is that timing disk can't drive starting disk rotational at the first time, so cleaning sponge block only can be with a surname during this period of time Plate is passed to occur relative to upper and lower movement, thus ensure that cleaning effect, but will band after linkage gear rotation a period of time Relative rotation is carried out between dynamic timing disk and starting disk, so that the variation of the publicity page is driven, and cleaning sponge block at this time The place not being in contact with publicity board will be rotated to, to ensure that cleaning sponge block will not hinder the rotation of publicity board.
Detailed description of the invention
Fig. 1 is a kind of positive structure diagram of the promotional plate for public administration proposed by the present invention;
Fig. 2 is that a kind of promotional plate for public administration proposed by the present invention faces perspective structure schematic diagram;
Fig. 3 is a kind of overlooking structure diagram of the promotional plate for public administration proposed by the present invention;
Fig. 4 is a kind of partial top structural schematic diagram of the promotional plate for public administration proposed by the present invention;
Fig. 5 is a kind of partial elevational enlarged structure schematic diagram of the promotional plate for public administration proposed by the present invention;
Fig. 6 is a kind of part isometric structural schematic diagram of the promotional plate for public administration proposed by the present invention;
Fig. 7 is a kind of part isometric structural schematic diagram of the promotional plate for public administration proposed by the present invention.
Figure label explanation:
1 support column B, 2 publicity boards, 3 sheer poles, 4 pedestals, 5 cross tubes, 6 headlamps, 7 motor bases, 8 motors, 9 driving chains, 10 fixed blocks, 11 transmission shafts, 12 rolling bearings, 13 worm gears, 14 cleaning gear As, 15 cleaning chains, 16 starting axis, 17 fixing bearings, 18 support column A, 19 worm screws, 20 fixing bearings, 21 transmission gears, 22 rolling bearing B, 23 rotation axis, 24 linkage gears, 25 startings Disk, 26 cleaning sponge blocks, 27 cleaning fixed blocks, 28 swivel bearings, 29 firm bankings, 30 timing disks, 31 universal driving shafts, 32 Moving base, 33 cleaning gear Bs, 34 lubrication bars.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1:
Please refer to Fig. 1-7, a kind of promotional plate for public administration, including support column A18, support column B1, cross tube 5 and lower cross Bar 3,5 left and right ends of cross tube are fixedly connected with support column A18 and the upper end support column B1 respectively, the sheer pole 3 or so Both ends are fixedly connected with support column A18 and support column B1 middle-end respectively;
The support column A18 inner bottom is provided with motor 8, and 8 upper end of motor is fixedly connected with transmission shaft 11, the support Column B1 inner bottom is provided with firm banking 29, and 29 upper end of firm banking is flexibly connected with rotation axis 23, the transmission shaft 11 and rotation axis 23 be disposed with worm gear 13 and transmission gear 21 from top to bottom, the transmission gear 21 and driving chain 9 Both ends engagement connection, 9 side of driving chain engage connection, 24 axle center of linkage gear and connection with multiple linkage gears 24 Moving axis 31 is fixedly connected, 31 bottom end of universal driving shaft with linkage 32 upper end of pedestal is flexibly connected, 32 bottom end of linkage pedestal and 3 inner bottom of sheer pole is fixedly connected, and 31 upper end of universal driving shaft is fixedly connected with 30 axle center of timing disk, the timing disk 30 are flexibly connected with starting disk 25,25 axle center of starting disk with start that 16 lower end of axis is top is fixedly connected, the starting 16 outside of axis is fixedly connected with publicity board 2, and worm gear 13 is flexibly connected with cleaning device.
Cleaning device includes worm screw 19, and connection is engaged at left and right sides of the worm gear 13 and worm screw 19, is set on the worm screw 19 Be equipped with multiple cleaning gear As 14, the cleaning gear A 14 engage connection with cleaning chain 15,15 other end of cleaning chain with clearly It cleans the teeth and takes turns B33 engagement connection, the cleaning gear A 14 is flexibly connected by cleaning chain 15 with cleaning gear B 33, the cleaning tooth The wheel axle center B33 is flexibly connected with lubrication bar 34, and 34 left and right sides of lubrication bar is all fixedly connected with fixed block 10, the fixation Block 10 is fixedly connected with transmission shaft 11 and 23 middle part side of rotation axis, and cleaning fixed block 27 is provided on the cleaning chain 15.
16 bottom end of starting axis is flexibly connected with fixing bearing A20, and 16 upper end of starting axis and fixing bearing B17 are living Dynamic connection, the bottom end the fixing bearing A20 are fixedly connected with 3 inner bottom of sheer pole, the upper end the fixing bearing B17 and upper cross 5 inner tip of bar is fixedly connected.
27 front end of cleaning fixed block is fixedly connected with cleaning fixed link 33,33 front end of cleaning fixed link and cleaning 26 one end of sponge block is fixedly connected, and 26 two sides of cleaning sponge block are flexibly connected with 2 two sides of publicity board.
The transmission shaft 11 and 23 upper end of rotation axis are all flexibly connected with rolling bearing A12, the upper end the rolling bearing A12 Be fixedly connected with support column A18 and support column B1 inner tip, the transmission shaft 11 and 23 lower end of rotation axis all with rotation Bearing B22 is flexibly connected, and the lower end the rolling bearing B22 is fixedly connected with motor 8 and 29 top of firm banking.
19 left and right ends of worm screw are flexibly connected with swivel bearing 28, the swivel bearing 28 respectively with support column A18 It is fixedly connected with the side support column B1.
8 bottom of motor is fixedly connected with 7 upper end of motor base, the motor base 7 and support column A18 inner bottom It is fixedly connected.
The support column A18 and the lower end support column B1 are all fixedly connected with 4 upper end of pedestal
The support column A18 and the outer surface support column B1 upper end are provided with headlamp 6.
Embodiment 2:
It is most of all in outdoor due to the promotional plate of existing public administration in the present invention, it is easy to enclose on promotional plate surface Dust, and promotional plate generally lies in higher position, is not easy to carry out cleaning to it, can be with when using the present apparatus While operating, it is cleaned, administrative staff can be greatly facilitated, and present apparatus publicity board 2 is using three-dimensional Three-legged structure has more one side than existing promotional plate, can show more catch-phrases, reduce the number of replacement, it is possible to reduce The management difficulty of administrative staff, single unit system use automatic structure, only need installment work, subsequent without nursing to it, Regulatory requirement now can be better met;
In the specific use process, transmission shaft 11 is driven to rotate by starting motor 8, thus the rotation with nutating gear 9, Driving chain 9 is driven to rotate, to drive the transmission gear 9 in rotation axis 23 to rotate, to drive and 9 company of engagement of driving chain The linkage gear 24 connect rotates, and drives timing disk 30 to rotate, when rotating to the predetermined time, then timing disk 30, which then will drive, opens Dynamic disk 25 rotates, so that publicity board 2 be driven to rotate, exchanges another side and shows, drive its tune by the rotation of timing disk 30 It skips face, has achieved the effect that catch-phrase is replaced in timing, can be timed by the size of gear, be not required to manual operation more What is added is convenient;
While page change, the worm gear 13 on 11 top of transmission shaft will will drive worm screw 19 and rotate, to drive thereon Gear A rotation is cleaned, cleaning chain 15 is driven to start turning, to drive the two sides of cleaning sponge block 26 and publicity board 2 thereon It relatively moves, to be cleaned to publicity board 2, since linkage gear 24 drives timing circle when just starting rotation Disk 30 rotates, but timing disk 30 can't drive the starting rotation of disk 25 at the first time, so clear during this period of time Movement above and below occurs with publicity board 2 for 26 meetings of clean sponge block, thus ensure that cleaning effect, but 24 turns of linkage gear It will will drive after dynamic a period of time and carry out relative rotation between timing disk 30 and starting disk 25, to drive the publicity page Variation, and cleaning sponge block 26 will rotate to the place not being in contact with publicity board 2 at this time, to ensure that cleaning sea Continuous block 26 will not hinder the rotation of publicity board 2.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of promotional plate for public administration, including support column A(18), support column B(1), cross tube (5) and sheer pole (3), it is characterised in that: cross tube (5) left and right ends are fixed with the upper end support column A(18) and support column B(1) respectively to be connected It connects, sheer pole (3) left and right ends are fixedly connected with support column A(18) and support column B(1) middle-end respectively;
The support column A(18) inner bottom is provided with motor (8), and motor (8) upper end is fixedly connected with transmission shaft (11), The support column B(1) inner bottom is provided with firm banking (29), firm banking (29) upper end and rotation axis (23) activity Connection, the transmission shaft (11) and rotation axis (23) are disposed with worm gear (13) and transmission gear (21) from top to bottom, described Transmission gear (21) engage connection with driving chain (9) both ends, driving chain (9) side and multiple linkage gears (24) Engagement connection, linkage gear (24) axle center are fixedly connected with universal driving shaft (31), universal driving shaft (31) bottom end and linkage base Seat (32) upper end is flexibly connected, and the linkage pedestal (32) bottom end is fixedly connected with sheer pole (3) inner bottom, the universal driving shaft (31) upper end is fixedly connected with timing disk (30) axle center, and the timing disk (30) is flexibly connected with starting disk (25), institute Stating starting disk (25) axle center, axis (16) lower end is top is fixedly connected with starting, outside the starting axis (16) and publicity board (2) It is fixedly connected, the worm gear (13) is flexibly connected with cleaning device.
2. a kind of promotional plate for public administration according to claim 1, it is characterised in that: the cleaning device includes Connection is engaged at left and right sides of worm screw (19), the worm gear (13) and worm screw (19), is provided with multiple cleanings on the worm screw (19) Gear A (14), the cleaning gear A (14) engage connection, cleaning chain (15) other end and cleaning tooth with cleaning chain (15) Take turns B(33) engagement connection, the cleaning gear A (14) is flexibly connected by cleaning chain (15) with cleaning gear B (33), described clear Clean the teeth and take turns B(33) axle center is flexibly connected with lubrication bar (34), the lubrication bar (34) left and right sides all with fixed block (10) fixation Connection, the fixed block (10) is fixedly connected with side in the middle part of transmission shaft (11) and rotation axis (23), on the cleaning chain (15) It is provided with cleaning fixed block (27).
3. a kind of promotional plate for public administration according to claim 1, it is characterised in that: starting axis (16) bottom End is flexibly connected with fixing bearing A(20), and starting axis (16) upper end is flexibly connected with fixing bearing B(17), the fixation Bearing A(20) bottom end is fixedly connected with sheer pole (3) inner bottom, the fixing bearing B(17) upper end and cross tube (5) it is internal Top is fixedly connected.
4. a kind of promotional plate for public administration according to claim 2, it is characterised in that: the cleaning fixed block (27) front end is fixedly connected with cleaning fixed link (33), and the cleaning fixed link (33) front end and cleaning sponge block (26) one end are solid Fixed connection, cleaning sponge block (26) two sides are flexibly connected with publicity board (2) two sides.
5. a kind of promotional plate for public administration according to claim 1, it is characterised in that: the transmission shaft (11) and Rotation axis (23) upper end is all flexibly connected with rolling bearing A(12), the rolling bearing A(12) upper end and support column A(18) and Support column B(1) inner tip is fixedly connected, the transmission shaft (11) and rotation axis (23) lower end all with rolling bearing B (22) it is flexibly connected, the rolling bearing B(22) lower end is fixedly connected with motor (8) and firm banking (29) top.
6. a kind of promotional plate for public administration according to claim 1, it is characterised in that: worm screw (19) left and right Both ends are flexibly connected with swivel bearing (28), the swivel bearing (28) respectively with the side support column A(18) and support column B(1) It is fixedly connected.
7. a kind of promotional plate for public administration according to claim 1, it is characterised in that: motor (8) bottom It is fixedly connected with motor base (7) upper end, the motor base (7) is fixedly connected with support column A(18) inner bottom.
8. a kind of promotional plate for public administration according to claim 1, it is characterised in that: the support column A(18) It is all fixedly connected with pedestal (4) upper end with the lower end support column B(1).
9. a kind of promotional plate for public administration according to claim 1, it is characterised in that: the support column A(18) The outer surface support column B(1) upper end is provided with headlamp (6).
CN201811031971.7A 2018-09-05 2018-09-05 A publicity board for public management Active CN109036174B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811031971.7A CN109036174B (en) 2018-09-05 2018-09-05 A publicity board for public management

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Application Number Priority Date Filing Date Title
CN201811031971.7A CN109036174B (en) 2018-09-05 2018-09-05 A publicity board for public management

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CN109036174A true CN109036174A (en) 2018-12-18
CN109036174B CN109036174B (en) 2021-01-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112382219A (en) * 2020-10-11 2021-02-19 德清创赢机械科技有限公司 Portable propaganda equipment is used in medical treatment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3338742B2 (en) * 1995-10-03 2002-10-28 積水樹脂株式会社 Cleaning structure of sign surface in sign object
CN105374292A (en) * 2015-12-16 2016-03-02 芜湖杰诺科技有限公司 Changeable valve advertisement display board
CN207124005U (en) * 2017-09-13 2018-03-20 深圳市一三一二广告有限公司 A kind of electronic bill-board with automatic cleaning function
CN207425165U (en) * 2017-08-17 2018-05-29 福州外语外贸学院 A kind of multi-functional ideological and political education display board
CN207663722U (en) * 2017-11-29 2018-07-27 沈阳理工大学 A kind of LED advisement lamp case with automatic dedusting function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3338742B2 (en) * 1995-10-03 2002-10-28 積水樹脂株式会社 Cleaning structure of sign surface in sign object
CN105374292A (en) * 2015-12-16 2016-03-02 芜湖杰诺科技有限公司 Changeable valve advertisement display board
CN207425165U (en) * 2017-08-17 2018-05-29 福州外语外贸学院 A kind of multi-functional ideological and political education display board
CN207124005U (en) * 2017-09-13 2018-03-20 深圳市一三一二广告有限公司 A kind of electronic bill-board with automatic cleaning function
CN207663722U (en) * 2017-11-29 2018-07-27 沈阳理工大学 A kind of LED advisement lamp case with automatic dedusting function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112382219A (en) * 2020-10-11 2021-02-19 德清创赢机械科技有限公司 Portable propaganda equipment is used in medical treatment
CN112382219B (en) * 2020-10-11 2022-06-10 德清创赢机械科技有限公司 Portable propaganda equipment is used in medical treatment

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