CN211479581U - Advertising box convenient to change advertisement - Google Patents
Advertising box convenient to change advertisement Download PDFInfo
- Publication number
- CN211479581U CN211479581U CN201921188165.0U CN201921188165U CN211479581U CN 211479581 U CN211479581 U CN 211479581U CN 201921188165 U CN201921188165 U CN 201921188165U CN 211479581 U CN211479581 U CN 211479581U
- Authority
- CN
- China
- Prior art keywords
- box body
- advertisement
- box
- inner cavity
- clamping
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses an advertisement box convenient to change advertisement, including base, canvas, the top screw connection of base has the box, glass is installed along upper and lower direction to the front side right-hand member ann of box, the chamber door is installed along upper and lower direction in the right side of box, the spout has been seted up along upper and lower direction in the left side of box, the inner chamber of box is provided with the baffle along upper and lower direction, actuating mechanism is installed in the inner chamber left side of box, and latch mechanism is installed on the inner chamber right side of box, the equal symmetrical screw connection in upper and lower both ends that the left side of box is located the spout has the controller, there is the motor along upper and lower direction screw connection in. This equipment is convenient and fast more to the change of advertisement, avoids loading and unloading the bolt, and the dismantlement downwards layer upon layer causes the trouble of changing the advertisement, has saved the step of carrying out the canvas debugging, and labour saving and time saving makes the change convenient, increases the practicality.
Description
Technical Field
The utility model relates to an advertising equipment technical field specifically is an advertisement case convenient to change advertisement.
Background
The rolling lamp box is also called a picture changing lamp box, the principle is that a rolling system is utilized to drive picture intervals or continuous rotation, so as to achieve the effect of installing a plurality of pictures in one lamp box, some lighting devices which are matched with timing control and some LED electronic display screens which can be matched with the lighting devices are used for publishing public information or increasing visual attraction, because the advertisement in the advertisement lamp box becomes longer along with the time, the conditions of ageing, damage and outdated can occur, at the moment, the advertisement in the advertisement lamp box needs to be changed, however, the advertisement lamp box in the current market needs to assemble and disassemble bolts when the advertisement is changed, the advertisement is disassembled downwards layer by layer, the advertisement is troublesome to change, then canvas debugging is needed, time and labor are wasted, the change is inconvenient, and the practicability is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an advertisement case convenient to change advertisement to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an advertisement box convenient for replacing advertisements comprises a base and canvas, wherein a box body is connected to the top end of the base through screws, glass is installed at the right end of the front side of the box body along the vertical direction, a box door is installed at the right side of the box body along the vertical direction, a sliding groove is formed in the left side of the box body along the vertical direction, a partition plate is arranged in the inner cavity of the box body along the vertical direction, a driving mechanism is installed at the left side of the inner cavity of the box body, and a clamping mechanism is installed at the right side of the inner;
the drive mechanism includes: the device comprises a controller, a motor, a screw rod, a first conical gear and a sliding block;
the left side of the box body is positioned at the upper end and the lower end of the sliding groove and symmetrically connected with a controller through screws, the left side of the inner cavity of the base is connected with a motor through screws in the up-down direction, the left sides of the upper end and the lower end of the inner cavity of the box body are connected with screw rods through bearings, the upper end and the lower end of the outer wall of each screw rod are in interference fit with inner rings of the bearings, the left sides of the upper end and the lower end of the inner cavity of the box body are fixedly connected with outer rings of the bearings, the bottom end of the outer wall of each screw rod extends into the inner cavity of the base and is connected with the output end of the motor through a coupler, the upper end and the lower end of each screw rod are connected with a first conical gear through the same-direction keys, the top end of;
the clamping mechanism comprises: the sliding hole, the second conical gear, the drawing roller, the pull rod, the clamping groove, the slideway, the circular groove, the rotating shaft, the clamping seat, the spring and the clamping block;
the upper and lower ends of the left side of the inner cavity of the box body and the right side of the baffle are both connected with a rotating shaft through bearings, the left and right ends of the outer walls of the two rotating shafts are both in interference fit with an inner ring of the bearings, the left side of the inner cavity of the box body and the upper and lower ends of the right side of the baffle are both fixedly connected with an outer ring of the bearings, the left side of the outer wall of the rotating shaft extends out of the baffle and is connected with a second bevel gear in a key connection manner, the second bevel gear is in meshing connection with a first bevel gear, the left side of the outer wall of the rotating shaft is fixedly connected with a clamping seat on the right side of the baffle, the right side of the clamping seat is sleeved with a spring on the outer wall of the rotating shaft, a clamping block is fixedly connected on the right side of the outer wall of the, the drawing roller is characterized in that a clamping groove is formed in the center of the right end of the drawing roller, the rotating shaft and the clamping seat are inserted into an inner cavity of the drawing roller, the spring is clamped between the clamping seat and the circular groove, the clamping block is clamped with the clamping groove, a sliding hole is formed in the front side of the right end of the drawing roller along the surface of the drawing roller in the left direction, pull rods are fixedly connected to the upper end and the lower end of the canvas, and the pull rods are inserted into the sliding holes.
Preferably, the distance of the sliding block from the top end to the bottom end of the screw rod is equal to the length of the canvas.
Preferably, the diameter of the clamping seat is the same as that of the circular groove.
Preferably, the total length of the spring and the cartridge in the compressed state is less than the length of the circular groove.
Preferably, the right side of the clamping block is provided with an inclined surface.
Preferably, the shape of the clamping block is cross-shaped, and the slide way and the clamping block have the same shape and are in adaptive insertion connection with the clamping groove.
Preferably, the longitudinal section of the pull rod is triangular, and the pull rod is inserted in the slide hole in a matched manner.
Compared with the prior art, the beneficial effects of the utility model are that: this advertising box convenient to change advertisement makes two drawing rollers can be synchronous equidirectional reciprocating rotation through actuating mechanism to drive the canvas and realize the reciprocal show to more advertisement contents, make the drawing roller pass through the cooperation of spring with the fixture block through joint mechanism and fix in the pivot, thereby to the convenient and fast's change more of advertisement, avoid loading and unloading the bolt, dismantle downwards layer upon layer, cause the trouble of changing the advertisement, saved the step of carrying out the canvas debugging, time saving and labor saving, make and change the convenience, and the practicability is increased.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a right side sectional view of the present invention;
FIG. 4 is a schematic structural view of the drawing roller of the present invention;
FIG. 5 is a schematic structural view of the rotating shaft of the present invention;
fig. 6 is a left side view of the drawing roller of the present invention.
In the figure: 1. the automatic drawing device comprises a base, 2, a box body, 3, a controller, 4, a motor, 5, a screw rod, 6, a sliding hole, 7, a first bevel gear, 8, a sliding block, 9, a second bevel gear, 10, a box door, 11, a drawing roller, 12, a pull rod, 13, a canvas, 14, a clamping groove, 15, glass, 16, a slide way, 17, a circular groove, 18, a rotating shaft, 19, a clamping seat, 20, a spring, 21 and a clamping block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an advertisement box convenient for replacing advertisements comprises a base 1 and a canvas 13, wherein a box body 2 is connected to the top end of the base 1 through screws, glass 15 is installed at the right end of the front side of the box body 2 along the vertical direction, a box door 10 is installed at the right side of the box body 2 along the vertical direction, people can conveniently replace the canvas 13 in the inner cavity of the box body 2 by opening the box door 10, a sliding groove is formed in the left side of the box body 2 along the vertical direction, a sliding block 8 can move up and down along the sliding groove, a partition plate is arranged in the inner cavity of the box body 2 along the vertical direction, a driving mechanism is installed at the left side of the inner cavity of the;
the drive mechanism includes: the device comprises a controller 3, a motor 4, a screw 5, a first bevel gear 7 and a slide block 8;
the left side of the box body 2 is symmetrically connected with a controller 3 at the upper end and the lower end of the chute by screws, the rotating direction of a motor 4 is changed by the controller 3, the left side of the inner cavity of the base 1 is connected with the motor 4 along the upper direction and the lower direction by screws, the screw 5 is driven to rotate by the output power of the motor 4, the left sides of the upper end and the lower end of the inner cavity of the box body 2 are connected with the screw 5 by bearings, a first bevel gear 7 on the screw 5 is driven to rotate clockwise or anticlockwise by the rotation of the screw 5, the upper end and the lower end of the outer wall of the screw 4 are in interference fit with inner rings of the bearings, the left sides of the upper end and the lower end of the inner cavity of the box body 2 are fixedly connected with outer rings of the bearings, the bottom end of the outer wall of the screw 5 extends into the inner cavity of the base 1, thereby driving the rotating shaft 18 to rotate, the top end of the outer wall of the screw rod 5 is in threaded connection with the sliding block 8, the sliding block 8 moves up and down on the thread of the screw rod 5 and triggers the controller 3, the sliding block 8 is close to the bottom end of the first conical gear 7, the left end of the sliding block 8 penetrates through the sliding groove to extend out of the outer wall of the left side of the box body 2, and the top end of the sliding block 8 is in contact with the controller 3;
the clamping mechanism comprises: the device comprises a sliding hole 6, a second bevel gear 9, a drawing roller 11, a pull rod 12, a clamping groove 14, a slideway 16, a circular groove 17, a rotating shaft 18, a clamping seat 19, a spring 20 and a clamping block 21;
the upper and lower ends of the left side of the inner cavity of the box body 2 and the right side of the partition board are both connected with rotating shafts 18 through bearings, the upper and lower ends of the left side of the inner cavity of the box body 2 and the right side of the partition board are both spliced with the drawing roller 11 through the rotating shafts 18 so as to drive the drawing roller 11, the left and right ends of the outer walls of the two rotating shafts 18 are both in interference fit with inner rings of the bearings, the upper and lower ends of the left side of the inner cavity of the box body 2 and the right side of the partition board are both fixedly connected with outer rings of the bearings, the left side of the outer wall of the rotating shaft 18 extends out of the left side of the partition board and is in key connection with a second bevel gear 9, the second bevel gear 9 is in meshed connection with a first bevel gear 7, the left side of the outer wall of the rotating shaft 18 is fixedly connected with a clamping, the drawing roller 11 is fixed by clamping the fixture block 21, the drawing roller 11 is fixed, the drawing roller 11 is installed on the outer wall of the rotating shaft 18, the canvas 13 is wound and unfolded by the rotation of the drawing roller 11, a circular groove 17 is formed in the center of the drawing roller 11 along the left direction, a clamping seat 19 is conveniently inserted into the drawing roller 11, a slide way 16 is formed in the center of the drawing roller 11 along the right direction, the fixture block 21 can move left and right in the slide way 16, so that the drawing roller 11 is conveniently replaced, the slide way 16 is communicated with the circular groove 17, a clamping groove 14 is formed in the center of the right end of the drawing roller 11, the rotating shaft 18 and the clamping seat 19 are inserted into the inner cavity of the drawing roller 11, a spring 20 is clamped between the clamping seat 19 and the circular groove 17, the fixture block 21 is clamped with the clamping groove 14, a sliding hole 6 is formed in the front side of the right end of the drawing roller 11 along the surface of the drawing roller 11 along, through the cooperation of slide opening 6 with pull rod 12 be convenient for go into the dismouting to canvas 13, the equal fixedly connected with pull rod 12 in upper and lower both ends of canvas 13, and pull rod 12 pegs graft with slide opening 6.
The following electric devices have the following types and functions:
and a motor 4: is a speed reducing motor with the model number of 5IK120RGN-CF, is controlled by an external operating system and is used for driving the screw 5 to rotate clockwise and anticlockwise.
Preferably, the distance from the top end to the bottom end of the screw rod 5 of the sliding block 8 is equal to the length of the canvas 13, so that the canvas 13 is prevented from being incompletely displayed due to too long advertisement contents.
Preferably, the diameter of the clamping seat 19 is the same as that of the circular groove 17, so that the outer wall of the clamping seat 19 can be tightly matched with the inner cavity of the circular groove 17, and the operation of the drawing roller 11 is more stable.
Preferably, the total length of the spring 20 and the clamping seat 19 in the compressed state is smaller than the length of the circular groove 17, so that the situation that the clamping block 21 cannot penetrate through the sliding groove 16 to be clamped with the clamping groove 14 due to the fact that the spring 20 is too long is avoided.
Preferably, the right side of the latch 21 is provided with a slope, and the latch 21 is guided into the inner cavity of the sliding groove 16 by the slope.
Preferably, the fixture block 21 is in a cross shape, and the slide rail 16 is identical to the fixture block 21 in shape and is fittingly inserted into the fixture groove 14, so that the easel 11 is conveniently detached, and the engagement between the easel 11 and the fixture block 21 is more stable.
As a preferable scheme, further, the longitudinal section of the pull rod 12 is triangular, and the pull rod 12 is inserted into the slide hole 6 in a matching manner, so that the canvas 13 is stably fixed in the slide hole 6, thereby avoiding falling off and facilitating the detachment of the pull rod 12.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the device works, an external power supply of a motor 4 is switched on, the motor 4 drives a screw rod 5 to drive a first bevel gear 7 to rotate anticlockwise, simultaneously, due to the limiting effect of a sliding groove on a sliding block 8, the sliding block 8 moves downwards along the screw thread under the rotation of the screw rod 5, the first bevel gear 7 drives a second bevel gear 9 to drive an painting roller 11 to rotate anticlockwise, so that two painting rollers 11 rotate at the same speed and in the same direction, a canvas 13 is wound on the bottom painting roller 11 from the top painting roller 11, when the sliding block 8 continuously moves downwards along the screw thread and is contacted with a bottom controller 3, the motor rotates clockwise, the canvas 13 is wound on the top painting roller 11 from the bottom painting roller 11, so that the advertisement content is repeatedly displayed, when the advertisement content needs to be changed, a box door 10 is opened, the painting roller 11 with the canvas 13 is pressed to the left side, a spring 20 is compressed, and a clamping block 21 is separated from a clamping groove, then the painting roller 11 is rotated anticlockwise or clockwise to lead the fixture block 21 to be aligned with the slideway 16 and be pulled out, the pull rod on the other painting roller 11 is pulled out, the circular groove 17 on the painting roller 11 to be replaced is aligned with the rotating shaft 18 and is inserted and connected, the painting roller 11 is pressed leftwards to lead the fixture block 21 to pass through the painting roller 11, simultaneously the painting roller 11 is rotated clockwise or anticlockwise to lead the fixture block 21 to be abutted with the clamping groove 14, the pressing on the painting roller 11 is stopped, the painting roller 11 is pushed rightwards under the elastic force of the spring 20 to lead the fixture block 21 to be clamped with the clamping groove 14, then the pull rod 12 is inserted and connected with the sliding hole 6, the box door is closed, the advertisement is replaced, the device drives the screw 5 by the motor 4 to lead the slide block 8 to trigger the controller 3, thereby controlling the motor 4 to drive the painting roller 11 to rotate in a reciprocating way, the fixture block 21 is clamped with the clamping groove 14 by the elastic, time and labor are saved, the practicability is improved, and the popularization is facilitated.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" and "pivot" and "snap" and "weld" and "screw" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An advertisement box convenient to change advertisement, includes base (1) and canvas (13), its characterized in that: the top end of the base (1) is connected with a box body (2) through a screw, the right end of the front side of the box body (2) is provided with glass (15) along the vertical direction, the right side of the box body (2) is provided with a box door (10) along the vertical direction, the left side of the box body (2) is provided with a sliding groove along the vertical direction, an inner cavity of the box body (2) is provided with a partition board along the vertical direction, the left side of the inner cavity of the box body (2) is provided with a driving mechanism, and the right side of the inner cavity of the box body;
the drive mechanism includes: the device comprises a controller (3), a motor (4), a screw (5), a first conical gear (7) and a sliding block (8);
the left side of the box body (2) is positioned at the upper end and the lower end of the chute and symmetrically connected with a controller (3) through screws, the left side of the inner cavity of the base (1) is connected with a motor (4) through screws in the up-down direction, the left sides of the upper end and the lower end of the inner cavity of the box body (2) are connected with a screw rod (5) through a bearing, the upper end and the lower end of the outer wall of the screw rod (5) are in interference fit with an inner ring of the bearing, the left sides of the upper end and the lower end of the inner cavity of the box body (2) are fixedly connected with an outer ring of the bearing, the bottom end of the outer wall of the screw rod (5) extends into the inner cavity of the base (1) and is connected with the output end of the motor (4) through a coupler, the upper end and the lower end of the screw rod (5) are in key connection, the left end of the sliding block (8) penetrates through the sliding groove to extend out of the outer wall of the left side of the box body (2), and the top end of the sliding block (8) is in contact with the controller (3);
the clamping mechanism comprises: a sliding hole (6), a second bevel gear (9), a drawing roller (11), a pull rod (12), a clamping groove (14), a slide way (16), a circular groove (17), a rotating shaft (18), a clamping seat (19), a spring (20) and a clamping block (21);
the upper and lower ends of the left side of the inner cavity of the box body (2) and the right side of the partition board are both connected with rotating shafts (18) through bearings, the left and right ends of the outer walls of the two rotating shafts (18) are both in interference fit with inner rings of the bearings, the upper and lower ends of the left side of the inner cavity of the box body (2) and the right side of the partition board are both fixedly connected with outer rings of the bearings, the left side of the outer wall of the rotating shaft (18) extends out of the partition board and is connected with a second bevel gear (9) in a key joint mode, the second bevel gear (9) is connected with a first bevel gear (7) in a meshing mode, the left side of the outer wall of the rotating shaft (18) is located on the right side of the partition board and is fixedly connected with a clamping seat (19), the right side of the clamping seat (19) is located, the center of drawing roller (11) puts and has seted up circular slot (17) along left direction, the center of drawing roller (11) puts and has seted up slide (16) along right direction, and slide (16) and circular slot (17) intercommunication, draw the right-hand member central point of roller (11) and put and have seted up draw-in groove (14), pivot (18) and cassette (19) are all pegged graft in the inner chamber of drawing roller (11), spring (20) joint is between cassette (19) and circular slot (17), fixture block (21) and draw-in groove (14) joint, draw the right-hand member front side of drawing roller (11) has seted up slide opening (6) along the surface of drawing roller (11) left direction, the equal fixedly connected with pull rod (12) in upper and lower both ends of canvas (13), and pull rod (12) are pegged graft with slide opening (6).
2. An advertisement box convenient for replacing advertisement according to claim 1, characterized in that: the distance of the sliding block (8) moving from the top end to the bottom end of the screw rod (5) is equal to the length of the canvas (13).
3. An advertisement box convenient for replacing advertisement according to claim 1, characterized in that: the diameter of the clamping seat (19) is the same as that of the circular groove (17).
4. An advertisement box convenient for replacing advertisement according to claim 1, characterized in that: the total length of the spring (20) and the clamping seat (19) in a compressed state is less than the length of the circular groove (17).
5. An advertisement box convenient for replacing advertisement according to claim 1, characterized in that: the shape of the clamping block (21) is in a cross shape, and the slide way (16) is the same as the shape of the clamping block (21) and is in adaptive insertion connection with the clamping groove (14).
6. An advertisement box convenient for replacing advertisement according to claim 1, characterized in that: the right side of the clamping block (21) is provided with an inclined surface.
7. An advertisement box convenient for replacing advertisement according to claim 1, characterized in that: the longitudinal section of the pull rod (12) is triangular, and the pull rod (12) is in adaptive insertion connection with the sliding hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188165.0U CN211479581U (en) | 2019-07-26 | 2019-07-26 | Advertising box convenient to change advertisement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188165.0U CN211479581U (en) | 2019-07-26 | 2019-07-26 | Advertising box convenient to change advertisement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211479581U true CN211479581U (en) | 2020-09-11 |
Family
ID=72358771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921188165.0U Expired - Fee Related CN211479581U (en) | 2019-07-26 | 2019-07-26 | Advertising box convenient to change advertisement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211479581U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173859A (en) * | 2020-10-26 | 2021-01-05 | 芜湖巨科电气设备有限公司 | Movable automatic copper wire winding device |
| CN112349225A (en) * | 2020-11-16 | 2021-02-09 | 青海巨时信息科技有限公司 | Network science and technology consultation shows board convenient to change poster |
| CN112674555A (en) * | 2020-12-26 | 2021-04-20 | 杭州佑觞贸易有限公司 | Display device for art design with adjustable hang function |
| CN113096556A (en) * | 2021-03-30 | 2021-07-09 | 武汉玺轩广告有限公司 | Intelligent advertising lamp box convenient to maintain and replace |
| CN113470550A (en) * | 2021-08-02 | 2021-10-01 | 上海恩咨科技有限公司 | Novel advertisement display device for catering management |
| CN113724621A (en) * | 2021-09-17 | 2021-11-30 | 深圳市建达强科技有限公司 | Advertisement machine and advertisement machine installation device |
| CN113838235A (en) * | 2021-09-02 | 2021-12-24 | 合肥优恩物联网科技有限公司 | Propaganda education device based on intelligent entrance guard |
-
2019
- 2019-07-26 CN CN201921188165.0U patent/CN211479581U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173859A (en) * | 2020-10-26 | 2021-01-05 | 芜湖巨科电气设备有限公司 | Movable automatic copper wire winding device |
| CN112173859B (en) * | 2020-10-26 | 2024-03-22 | 芜湖巨科电气设备有限公司 | Movable copper wire automatic winding device |
| CN112349225A (en) * | 2020-11-16 | 2021-02-09 | 青海巨时信息科技有限公司 | Network science and technology consultation shows board convenient to change poster |
| CN112674555A (en) * | 2020-12-26 | 2021-04-20 | 杭州佑觞贸易有限公司 | Display device for art design with adjustable hang function |
| CN113096556A (en) * | 2021-03-30 | 2021-07-09 | 武汉玺轩广告有限公司 | Intelligent advertising lamp box convenient to maintain and replace |
| CN113096556B (en) * | 2021-03-30 | 2022-09-13 | 武汉玺轩广告有限公司 | Intelligent advertising lamp box convenient to maintain and replace |
| CN113470550A (en) * | 2021-08-02 | 2021-10-01 | 上海恩咨科技有限公司 | Novel advertisement display device for catering management |
| CN113838235A (en) * | 2021-09-02 | 2021-12-24 | 合肥优恩物联网科技有限公司 | Propaganda education device based on intelligent entrance guard |
| CN113724621A (en) * | 2021-09-17 | 2021-11-30 | 深圳市建达强科技有限公司 | Advertisement machine and advertisement machine installation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211479581U (en) | Advertising box convenient to change advertisement | |
| CN202120540U (en) | Combined multi-picture automatic change advertising board | |
| KR200286961Y1 (en) | Rolling signboard | |
| CN101081131B (en) | Multi-picture wrap-up device | |
| CN110874994A (en) | Building roof beautifying advertisement device | |
| CN210667666U (en) | Advertising lamp board | |
| CN112365810B (en) | LED structure and LED screen thereof | |
| CN211604589U (en) | Movie poster propaganda device | |
| CN210701355U (en) | Solar cell panel cleans machine people | |
| CN216145377U (en) | Poster circulation play device with roller for bus station billboard | |
| CN2323435Y (en) | Automatic multi-picture propaganda screen | |
| CN220205115U (en) | LED display screen wall hanging structure | |
| CN211619105U (en) | Carrier roller bracket device convenient to change bearing roller | |
| CN107313673B (en) | Window opener based on glass curtain wall | |
| CN215255555U (en) | Bottom back plate structure applied to safe | |
| CN213303540U (en) | Automatic change and can hang bill-board of many bill-boards | |
| CN112634780B (en) | Intelligent display device for intelligent tourist attractions | |
| CN217926772U (en) | Industrial equipment pull device | |
| CN113264267B (en) | Liquid crystal display controller capable of being used in multiple scenes | |
| CN113586881B (en) | A novel information display device for municipal works city planning design | |
| CN218182847U (en) | Electric appliance cabinet convenient to overhaul | |
| CN219249720U (en) | Telescopic exhibition stand for urban planning | |
| CN220601041U (en) | Prefabricated LED display screen connecting steel structure | |
| CN216246540U (en) | Building engineering environment monitoring device | |
| CN216480545U (en) | Energy-conserving led street lamp convenient to assembly and disassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |