CN110211486B - Be used for open air electronic information display device - Google Patents
Be used for open air electronic information display device Download PDFInfo
- Publication number
- CN110211486B CN110211486B CN201910314261.3A CN201910314261A CN110211486B CN 110211486 B CN110211486 B CN 110211486B CN 201910314261 A CN201910314261 A CN 201910314261A CN 110211486 B CN110211486 B CN 110211486B
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- electronic information
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- shell
- movable plate
- block
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000005253 cladding Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 15
- 230000007547 defect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Abstract
The invention belongs to the technical field of electronic information, and particularly relates to an outdoor electronic information display device which comprises a shell, wherein a display screen and a moving mechanism are arranged in the shell, a roller is arranged on the moving mechanism, cleaning cotton is coated on the roller, the roller is positioned in front of the display screen, the moving mechanism comprises a driving chain wheel, a driven chain wheel and a motor, two ejector rods are fixedly arranged in the shell at positions corresponding to inclined blocks, a sliding seat is also fixedly arranged behind a moving plate of the shell, a sliding block is fixedly arranged on the rear end face of the moving plate, a sliding groove matched with the sliding block is formed in the sliding seat, a cross rod is transversely arranged at the lower end of the moving plate, the cross rod is positioned below the display screen and is rotatably connected with the roller, gears are fixedly connected to two ends of the roller, and. The purpose is as follows: the cleaning device is used for overcoming the defects that manual cleaning is time-consuming and labor-consuming, and cleaning is needed by means of tools such as ladders and the like for display boards with higher heights.
Description
Technical Field
The invention belongs to the technical field of electronic information, and particularly relates to an outdoor electronic information display device.
Background
"electronic information" is a word frequently appearing in recent years, and is a word that becomes informatics in the context of rapid development of computer technology, communication technology, and high-density storage technology and widespread use in various fields. The electronic information fundamentally breaks the universe of storing and transmitting information by paper carriers for a long time in the aspects of information storage, transmission and application, and represents the development direction of the information industry.
Electronic information display card is the equipment that is used for showing propagation information, sets up when outdoor, and the grey falls easily on the display screen, influences and shows the scavenging density, and manual cleaning not only wastes time and energy, and to high higher display card moreover, still need clean with the help of instruments such as ladders, therefore needs urgent need to research and develop a clearance convenient outdoor electronic information display card.
Disclosure of Invention
The purpose of the invention is: aims to provide an outdoor electronic information display device which is used for overcoming the defects that manual cleaning wastes time and labor, and particularly for display boards with higher heights, cleaning is required by means of tools such as ladders and the like.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
an outdoor electronic information display device comprises a shell, a display screen and a moving mechanism are installed in the shell, a roller is installed on the moving mechanism, cleaning cotton is coated on the roller, the roller is located in front of the display screen, the moving mechanism comprises a driving chain wheel, a driven chain wheel and a motor, an output shaft of the motor is in transmission connection with the driving chain wheel, a transmission chain is wound between the driving chain wheel and the driven chain wheel and comprises a plurality of inner chain plate groups and outer chain plate groups which are mutually hinged, a pushing block is fixedly installed on one outer chain plate group, a pushing block is integrally formed on the outer side of the pushing block, one end of the pushing block is in a slope shape, a moving plate is vertically arranged behind the transmission chain, two through holes are formed in the hinge shaft, a through hole is formed in the through hole, and a clamping block fixedly connected with the hinge shaft is arranged in front of the moving plate, integrated into one piece have with ejector pad assorted fixture block on the card setting block, the movable plate rear is equipped with the sloping block with articulated shaft fixed connection, correspond position fixed mounting in the sloping block in the shell and have two ejector pins, the shell is still fixed mounting at the movable plate rear has the sliding seat, movable plate rear end face fixed mounting has the sliding block, set up on the sliding seat with sliding block assorted sliding tray, the movable plate lower extreme transversely is equipped with the horizontal pole, the horizontal pole is located the display screen below, just rotates with the cylinder to be connected, the equal fixedly connected with gear in cylinder both ends, the shell is installed in the gear front end with gear engaged with rack.
Further inject, install the torsional spring between articulated shaft and the movable plate, fixed mounting has the gag lever post on the card setting block, the movable plate respectively is equipped with a spacing post in gag lever post both sides. Such structural design, the card setting block is pulled to clockwise through the torsional spring for the fixture block of card setting block can contact with the ejector pad that promotes the piece steadily, thereby makes the card setting block can be promoted by promoting the piece steadily, uses the mutual matching of gag lever post and spacing post, can avoid the skew excessive of card setting block, and the practicality is stronger.
Further limiting, protruding columns are arranged on the upper end face and the lower end face of the roller, bearing seats are mounted on the protruding columns, blind holes are formed in the bearing seats, the protruding columns are located in the blind holes, rolling bearings are mounted between the protruding columns and the blind holes, and the cross rods are connected with the bearing seats. Such structural design is connected through antifriction bearing between cylinder and the bearing, and the rethread bearing is connected with the horizontal pole, has avoided the friction between cylinder and the horizontal pole, increase of service life, and the practicality is stronger.
Further inject, the bearing keeps away from blind hole one end integrated into one piece has the lug, the horizontal pole free end is seted up with lug assorted rectangular hole. Due to the structural design, the bearing seat is inserted into the rectangular hole through the convex block, the structure is simple, the installation is convenient, and the practicability is high.
Further limiting, a rolling mechanism is arranged at the free end of the bump, and a bearing plate matched with the rolling mechanism is installed on the shell. By the structural design, the protruding block is supported by the matching between the rolling mechanism and the bearing plate, so that the roller can roll on the surface of the display screen more stably; meanwhile, the sliding friction between the convex block and the shell is converted into the sliding friction between the rolling mechanism and the bearing plate through the rolling mechanism, and the service life of the bearing plate is prolonged.
Further limiting, a notch is formed in the free end of the bump, the rolling mechanism comprises a rolling shaft and rolling wheels located at two ends of the rolling shaft, the rolling shaft is clamped in the notch, and a strip-shaped groove matched with the rolling wheels is formed in the bearing plate. Due to the structural design, the roller is supported by the rollers at the two ends of the rolling shaft, so that the structure is simple and the practicability is high; simultaneously, because the gyro wheel is located the rolling shaft both ends, and the gyro wheel with accept the strip groove phase-match on the board, can carry out the front and back location to the cylinder to a certain extent for the cylinder can hug closely at the preceding terminal surface of display screen.
Further inject, the projection can be dismantled with the cylinder and be connected, the projection is close to cylinder one end integrated into one piece has the backplate, the draw-in groove has been seted up at the cylinder both ends, integrated into one piece have with draw-in groove assorted card strip on the backplate, set up threaded hole on the card strip, set up on the cylinder with screw hole assorted via hole, the via hole is the shoulder hole. Due to the structural design, when the roller is used for a long time, the cleaning cotton can be taken down from the convex column together with the roller after losing efficacy, the roller wound with new cleaning cotton is replaced, and then the fixing screw is installed in the through hole for fixing, so that the replacement is more convenient.
Further inject, still install first mounting bracket and second mounting bracket in the shell, the motor is installed on first mounting bracket, first mounting bracket is located and keeps away from driven sprocket one end, install the back shaft on the second mounting bracket, the back shaft is worn to establish in driven sprocket, the second mounting bracket is located and keeps away from drive sprocket one end. Due to the structural design, the first mounting frame and the second mounting frame are respectively positioned at the two ends of the driving chain wheel and the driven chain wheel, so that the influence on the operation of the moving mechanism can be avoided.
The invention adopting the technical scheme has the advantages that:
1. the driving chain wheel is driven to rotate by the motor, so that the roller is driven to move and rotate, the automatic cleaning of the display screen is completed, time and labor are saved, the cleaning can be automatically completed for the display card with higher height, and the practicability is high;
2. through the mutual matching of the clamping block, the pushing block and the ejector rod, the roller automatically completes the reciprocating process without controlling the positive and negative rotation of the motor;
3. through the dismantled connection of projection and cylinder, use for a long time at the cylinder, the cotton back that became invalid of clearance can be taken off from the projection together with the cylinder, changes the cylinder of having twined new clearance cotton, again cross downthehole installation set screw fixed can, it is more convenient to change.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of an embodiment of an outdoor electronic information display device according to the present invention;
FIG. 2 is a schematic view of an outdoor electronic information display device with a housing removed according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an outdoor electronic information display device with a housing and a display screen removed according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
FIG. 6 is a schematic structural diagram of a moving mechanism in an embodiment of an electronic information display device for outdoor use according to the present invention;
FIG. 7 is a schematic structural view of a push block in an embodiment of an electronic information display device for outdoor use according to the present invention;
FIG. 8 is a schematic diagram of a part of a moving mechanism of an embodiment of an electronic information display device for outdoor use according to the present invention;
FIG. 9 is a schematic view of a socket portion of an embodiment of an electronic information display device for outdoor use according to the present invention;
FIG. 10 is a schematic view of a roller portion of an embodiment of an electronic information display device for outdoor use according to the present invention;
FIG. 11 is an enlarged view of the structure of FIG. 10 at C;
the main element symbols are as follows:
the device comprises a shell 1, a display screen 2, a roller 3, a driving sprocket 41, a motor 410, a driven sprocket 42, an inner chain plate group 431, an outer chain plate group 432, a pushing block 433, a pushing block 4330, a moving plate 5, a hinge shaft 50, a clamping block 51, a clamping block 510, an inclined block 52, a top rod 53, a sliding block 54, a sliding seat 540, a sliding groove 541, a cross rod 55, a gear 6, a rack 61, a limiting rod 511, a limiting column 512, a bearing seat 7, a blind hole 71, a convex column 710, a convex block 72, a rectangular hole 720, a bearing plate 73, a rolling shaft 731, a roller 732, a strip-shaped groove 733, a protective plate 711, a clamping groove 712, a clamping strip 713, a threaded hole 714, a through hole 715, a first mounting frame.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 10, the electronic information display device for outdoor use of the present invention comprises a housing 1, a display screen 2 and a moving mechanism are installed in the housing 1, a roller 3 is installed on the moving mechanism, the roller 3 is covered with cleaning cotton, the roller 3 is located in front of the display screen 2, the moving mechanism comprises a driving sprocket 41, a driven sprocket 42 and a motor 410, an output shaft of the motor 410 is in transmission connection with the driving sprocket 41, a transmission chain is wound between the driving sprocket 41 and the driven sprocket 42, the transmission chain comprises a plurality of inner chain plate groups 431 and outer chain plate groups 432 which are hinged to each other, a pushing block 433 is fixedly installed on one outer chain plate group 432, a pushing block 4330 is integrally formed outside the pushing block 433, one end of the pushing block 4330 is in a slope shape, a moving plate 5 is vertically arranged behind the transmission chain, two through holes are formed on the moving plate 5, a hinge shaft 50 is inserted into the through holes, a clamping block 51 fixedly connected with the hinge shaft 50, the clamping block 51 is integrally formed with a clamping block 510 matched with the pushing block 4330, the rear of the moving plate 5 is provided with an inclined block 52 fixedly connected with the hinge shaft 50, two ejector rods 53 are fixedly arranged in the shell 1 at positions corresponding to the inclined block 52, the shell 1 is further fixedly provided with a sliding seat 540 at the rear of the moving plate 5, the rear end face of the moving plate 5 is fixedly provided with a sliding block 54, the sliding seat 540 is provided with a sliding groove 541 matched with the sliding block 54, the lower end of the moving plate 5 is transversely provided with a cross rod 55, the cross rod 55 is positioned below the display screen 2 and is rotatably connected with the roller 3, two ends of the roller 3 are both fixedly connected with gears 6, and the front end of the gear 6 of the shell 1 is provided with a rack.
A torsion spring is arranged between the hinge shaft 50 and the moving plate 5, a limiting rod 511 is fixedly arranged on the clamping block 51, and two limiting columns 512 are respectively arranged on two sides of the limiting rod 511 of the moving plate 5. The clamping block 51 is pulled clockwise by the torsion spring, so that the clamping block 510 of the clamping block 51 can be stably contacted with the pushing block 4330 of the pushing block 433, the clamping block 51 can be stably pushed by the pushing block 433, the limiting rod 511 and the limiting column 512 are matched with each other, the clamping block 51 can be prevented from deviating excessively, and the practicability is high.
The upper end face and the lower end face of the roller 3 are respectively provided with a convex column 710, a bearing seat 7 is arranged on the convex column 710, a blind hole 71 is arranged on the bearing seat 7, the convex column 710 is positioned in the blind hole, a rolling bearing is arranged between the convex column 710 and the blind hole, and the cross rod 55 is connected with the bearing seat 7. The roller 3 is connected with the bearing seat 7 through the rolling bearing, and then is connected with the cross rod 55 through the bearing seat 7, so that the friction between the roller 3 and the cross rod 55 is avoided, the service life is prolonged, and the practicability is stronger.
A lug 72 is integrally formed at one end of the bearing seat 7 far away from the blind hole 71, and a rectangular hole 720 matched with the lug 72 is formed at the free end of the cross rod 55. The bearing seat 7 is inserted into the rectangular hole 720 through the convex block 72, and has simple structure, convenient installation and strong practicability.
The free end of the projection 72 is provided with a rolling mechanism, and the housing 1 is provided with a bearing plate 73 matched with the rolling mechanism. The projection 72 is supported by the matching between the rolling mechanism and the bearing plate 73, so that the roller 3 can roll on the surface of the display screen 2 more stably; meanwhile, the sliding friction between the projection 72 and the housing 1 is converted into the sliding friction between the rolling mechanism and the bearing plate 73 through the rolling mechanism, and the service life of the bearing plate 73 is prolonged.
The free end of the convex block 72 is provided with a gap, the rolling mechanism comprises a rolling shaft 731 and rolling wheels 732 arranged at two ends of the rolling shaft 731, the rolling shaft 731 is clamped in the gap, and the bearing plate 73 is provided with a strip-shaped groove 733 matched with the rolling wheels 732. The roller 3 is supported by the rollers 732 at the two ends of the rolling shaft 731, so that the structure is simple and the practicability is strong; meanwhile, the rollers 732 are located at two ends of the rolling shaft 731, and the rollers 732 are matched with the strip-shaped grooves 733 on the receiving plate 73, so that the roller 3 can be positioned back and forth to a certain extent, and the roller 3 can be tightly attached to the front end surface of the display screen 2.
The convex column 710 is detachably connected with the roller 3, a protective plate 711 is integrally formed at one end, close to the roller 3, of the convex column 710, clamping grooves 712 are formed at two ends of the roller 3, a clamping strip 713 matched with the clamping grooves 712 is integrally formed on the protective plate 711, threaded holes 714 are formed in the clamping strip 713, a through hole 715 matched with the threaded holes 714 is formed in the roller 3, and the through hole 715 is a stepped hole. After the roller 3 is used for a long time and the cleaning cotton is invalid, the roller 3 can be taken down from the convex column 710 together with the roller 3, the roller 3 wound with new cleaning cotton is replaced, and then the fixing screws are installed in the through holes 715 for fixing, so that the replacement is more convenient.
Still install first mounting bracket 8 and second mounting bracket 80 in the shell 1, motor 410 installs on first mounting bracket 8, and first mounting bracket 8 is located and keeps away from driven sprocket 42 one end, installs the back shaft on the second mounting bracket 80, and the back shaft is worn to establish in driven sprocket 42, and second mounting bracket 80 is located and keeps away from drive sprocket 41 one end. The first mounting bracket 8 and the second mounting bracket 80 are respectively located at two ends of the driving sprocket 41 and the driven sprocket 42, so that the influence on the operation of the moving mechanism can be avoided.
In this embodiment, when the display screen 2 is cleaned, the motor 410 drives the driving sprocket 41 to rotate counterclockwise, so as to drive the transmission chain to rotate counterclockwise, when the pushing block 433 is located below the driving sprocket 41 and the driven sprocket 42, the pushing block 433 is driven by the transmission chain to move from left to right, so as to push the clamping block 51 located at the lower portion of the moving plate 5, the moving plate 5 and the cross bar 55 to move from left to right, i.e. to drive the roller 3 to move from the left to the right of the display screen 2, meanwhile, because the roller 3 is provided with the gear 6, and the rack 61 meshed with the gear 6 is installed at the front end of the gear 6 of the housing 1, the roller 3 rotates clockwise (seen from top to bottom) in the process of moving from left to right, at this time, the roller 3 generates friction between the display screen 2, and cleans;
when the moving plate 5 moves to the right side, and the inclined block 52 touches the ejector rod 53 positioned below the driving sprocket 41, the inclined block 52 rotates counterclockwise around the through hole where the hinge shaft 50 is positioned under the pushing action of the ejector rod 53, so as to drive the clamping block 51 to rotate counterclockwise, so that the clamping block 510 and the pushing block 4330 are separated, namely the transmission chain continues to rotate and cannot drive the moving plate 5 to move, and at the moment, the roller 3 stops at the rightmost end of the display screen and does not move or rotate any more;
the driving sprocket 41 continues to rotate counterclockwise under the driving of the motor 410, after the clamping block 51 moves from the lower part to the upper part of the driving sprocket 41, the clamping block 51 moves from right to left and contacts with the clamping block 51 on the upper part of the moving plate 5 to drive the moving plate 5 to move from right to left, the scrubbing process is repeated until the ejector rod 53 above the driven sprocket 42 is contacted, and the moving plate 5 stops at the leftmost end of the display screen 2.
The electronic information display device for outdoor use provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. An electronic information display device used outdoors is characterized in that: including shell (1), install display screen (2) and moving mechanism in shell (1), the last cylinder (3) of installing of moving mechanism, the cladding has the clearance cotton on cylinder (3), cylinder (3) are located display screen (2) the place ahead, moving structure includes drive sprocket (41), driven sprocket (42) and motor (410), the output shaft and the drive sprocket (41) transmission of motor (410) are connected, around being equipped with the driving chain between drive sprocket (41) and the driven sprocket (42), the driving chain includes a plurality of articulated interior chain board group (431) and outer chain board group (432) each other, one of them fixed mounting has on outer chain board group (432) and promotes piece (433), it has ejector pad (4330) to promote piece (433) outside integrated into one piece, ejector pad (4330) one end is the slope form, the vertical movable plate (5) that is equipped with in driving chain rear, the improved display screen comprises a movable plate (5), and is characterized in that two through holes are formed in the movable plate (5), hinge shafts (50) penetrate through the through holes, a clamping block (51) fixedly connected with the hinge shafts (50) is arranged in front of the movable plate (5), a clamping block (510) matched with a push block (4330) is integrally formed on the clamping block (51), an inclined block (52) fixedly connected with the hinge shafts (50) is arranged at the rear of the movable plate (5), two ejector rods (53) are fixedly arranged at positions corresponding to the inclined block (52) in a shell (1), a sliding seat (540) is further fixedly arranged at the rear of the movable plate (5) in the shell (1), sliding blocks (54) are fixedly arranged on the rear end face of the movable plate (5), sliding grooves (541) matched with the sliding blocks (54) are formed in the sliding seat (540), a cross rod (55) is transversely arranged at the lower end of the movable plate (5), and the cross rod, And is connected with cylinder (3) rotation, the equal fixedly connected with gear (6) in cylinder (3) both ends, shell (1) is installed rack (61) with gear (6) looks meshing in gear (6) front end.
2. An electronic information presentation device for outdoor use according to claim 1, wherein: install the torsional spring between articulated shaft (50) and movable plate (5), fixed mounting has gag lever post (511) on calorie building block (51), movable plate (5) respectively are equipped with a spacing post (512) in gag lever post (511) both sides.
3. An electronic information presentation device for outdoor use according to claim 2, wherein: the roller is characterized in that convex columns (710) are arranged on the upper end face and the lower end face of the roller (3), bearing seats (7) are mounted on the convex columns (710), blind holes (71) are formed in the bearing seats (7), the convex columns (710) are located in the blind holes, rolling bearings are mounted between the convex columns (710) and the blind holes, and the cross rods (55) are connected with the bearing seats (7).
4. An electronic information presentation device for outdoor use according to claim 3, wherein: a convex block (72) is integrally formed at one end, far away from the blind hole (71), of the bearing seat (7), and a rectangular hole (720) matched with the convex block (72) is formed in the free end of the cross rod (55).
5. An electronic information presentation device for outdoor use according to claim 4, wherein: the free end of the convex block (72) is provided with a rolling mechanism, and the housing (1) is provided with a bearing plate (73) matched with the rolling mechanism.
6. An electronic information presentation device for outdoor use according to claim 5, wherein: the free end of the convex block (72) is provided with a notch, the rolling mechanism comprises a rolling shaft (731) and rolling wheels (732) positioned at two ends of the rolling shaft (731), the rolling shaft (731) is clamped in the notch, and the bearing plate (73) is provided with a strip-shaped groove (733) matched with the rolling wheels (732).
7. An electronic information presentation device for outdoor use according to claim 6, wherein: the utility model discloses a drum (3) is characterized in that projection (710) can be dismantled with drum (3) and be connected, projection (710) are close to drum (3) one end integrated into one piece has backplate (711), draw-in groove (712) have been seted up at drum (3) both ends, integrated into one piece has card strip (713) with draw-in groove (712) assorted on backplate (711), set up threaded hole (714) on card strip (713), set up on drum (3) with threaded hole (714) assorted via hole (715), via hole (715) are the shoulder hole.
8. An electronic information presentation device for outdoor use according to claim 7, wherein: still install first mounting bracket (8) and second mounting bracket (80) in shell (1), motor (410) is installed on first mounting bracket (8), first mounting bracket (8) are located and keep away from driven sprocket (42) one end, install the back shaft on second mounting bracket (80), the back shaft is worn to establish in driven sprocket (42), second mounting bracket (80) are located and keep away from drive sprocket (41) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314261.3A CN110211486B (en) | 2019-04-18 | 2019-04-18 | Be used for open air electronic information display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314261.3A CN110211486B (en) | 2019-04-18 | 2019-04-18 | Be used for open air electronic information display device |
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| Publication Number | Publication Date |
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| CN110211486A CN110211486A (en) | 2019-09-06 |
| CN110211486B true CN110211486B (en) | 2021-01-19 |
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| CN201910314261.3A Active CN110211486B (en) | 2019-04-18 | 2019-04-18 | Be used for open air electronic information display device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111493598B (en) * | 2020-04-22 | 2020-11-24 | 武汉市此方智能环境设计工程有限公司 | Device is used in art show with adjustable |
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