CN111710259B - Three-side synchronous turnover advertising board - Google Patents
Three-side synchronous turnover advertising board Download PDFInfo
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- CN111710259B CN111710259B CN202010605755.XA CN202010605755A CN111710259B CN 111710259 B CN111710259 B CN 111710259B CN 202010605755 A CN202010605755 A CN 202010605755A CN 111710259 B CN111710259 B CN 111710259B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
- G09F11/12—Indicating 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 carried by endless belts, chains, or the like
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Abstract
The invention discloses a three-side synchronous turnover billboard, which comprises a box body and a synchronous turnover mechanism, wherein the synchronous turnover mechanism comprises two side driving rollers and a main driving roller, which correspond to an advertisement display opening and are rotatably arranged on the inner bottom surface of the box body; the rotating shaft is sleeved with a sleeve mechanism used for pasting the advertising board, a bonding belt is rotatably connected between the first rotating shaft and the sleeve mechanism on the second rotating shaft which are positioned on the same side, the advertising cloth surrounds the two sleeve mechanisms, and the two sides of the advertising cloth are pasted with the bonding belt. The advertising board adopts a three-side turnover design, can put a plurality of advertisements at one time, and has high space utilization rate.
Description
Technical Field
The invention relates to the technical field of advertising boards, in particular to an advertising board with three synchronously-turned sides.
Background
The billboard is an outdoor display device with the function of propaganda and identification. Because the outdoor environment is changeable, the billboard with the LED screen is rarely used, and the advertisement is usually publicized in a conventional advertising cloth rolling mode.
Besides some districts or streets, a rolling single-side billboard can be usually seen, and the advertising cloth in the advertising box can roll intermittently so as to display different advertisements, so that on one hand, more advertisements are displayed in an effective area, and meanwhile, the rolling advertising cloth can effectively attract the attention of passers-by. At present, the advertising board is designed in a single face, passers can observe the content of advertisements within a certain visual range, certain limitation is achieved, meanwhile, the advertising cloth is synchronously replaced along with manufacturers, companies and the like for putting the advertisements, the replacement mode of the advertising cloth of the advertising board is complex at present, the efficiency is low, and therefore the advertising board with three faces synchronously turned over is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a billboard with three synchronously turned sides, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a billboard with three synchronously-turned sides comprises a box body with a quadrangular prism structure and a detachable cover plate on the top of the box body,
three side surfaces of the box body are respectively provided with an advertisement display opening;
the automatic advertisement display box is characterized in that a synchronous turnover mechanism is arranged in the box body, the synchronous turnover mechanism comprises two side driving rollers and a main driving roller, the two side driving rollers correspond to an advertisement display opening and are rotatably arranged on the inner bottom surface of the box body, the end parts of the two side driving rollers are fixedly connected with a driven belt pulley, the two driven belt pulleys are in transmission connection with a first belt, the middle part of the first belt is also in transmission connection with a driving belt pulley, the driving belt pulley is coaxially connected with a gear, and the gear is in intermittent meshing with an incomplete gear arranged at the driving end of a motor;
the end part of any one side driving roller is in transmission connection with the main driving roller through a bevel gear mechanism;
the side driving roller also comprises a first rotating shaft and two lower side belt pulleys symmetrically fixed on two sides of the first rotating shaft;
two side driven rollers and a main driven roller which are rotatably arranged at the top of the box body are arranged in a one-to-one correspondence way with the two side driving rollers and the main driving roller;
the two side driven rollers comprise a second rotating shaft and two upper belt pulleys symmetrically fixed on two sides of the second rotating shaft, and second belts are respectively in transmission connection between the lower belt pulley and the upper belt pulley which are positioned on the same vertical axis;
the main driving roller comprises a third rotating shaft and two lower main belt pulleys symmetrically fixed on two sides of the third rotating shaft, the main driving roller comprises a fourth rotating shaft and two upper main belt pulleys symmetrically fixed on two sides of the fourth rotating shaft, and third belts are respectively connected between the lower main belt pulleys and the upper main belt pulleys on the same vertical axis in a transmission manner;
all cup joint a sleeve mechanism who is used for pasting the bill-board in first pivot, second pivot, third pivot and the fourth pivot, lie in and rotate between first pivot and the epaxial sleeve mechanism of second pivot with one side and connect a bonding belt, the advertisement cloth centers on two sleeve mechanisms to the advertisement cloth both sides are pasted with the bonding belt.
Preferably, the box body outside the advertisement display opening is hinged with a glass box door, the glass box door is connected with the box body through a buckle, and the glass box door corresponds to the advertisement display opening one by one.
Preferably, the number of advertisement show mouth is three, and wherein relative two are first show mouth and first show mouth, are located first show mouth and first show mouthful middle be the third show mouth, first show mouth and first show mouth correspond with two side drive rollers respectively, and the third show mouth corresponds with a main drive roller.
Preferably, a partition board is fixedly installed at one end, close to the driven belt pulley, in the box body, a mounting cavity is formed between the partition board and the side face, on which the advertisement display opening is not formed, of the box body, the driven belt pulley, the driving belt pulley, the gear, the incomplete gear and the first belt are all located in the mounting cavity, and the motor is fixedly installed in a motor cavity on the outer side of the box body.
Preferably, the diameter of the driving pulley is larger than that of the driven pulley.
Preferably, the bevel gear mechanism comprises a driving bevel gear and a driven bevel gear which are vertically meshed, the driving bevel gear is fixedly connected with one end, far away from the driven belt pulley, of any one first rotating shaft, and the driven bevel gear is installed at one end, close to the driving bevel gear, of the third rotating shaft.
Preferably, the sleeve mechanism comprises a hollow cylindrical sleeve, the sleeve is sleeved on the rotating shaft, the rotating shaft comprises a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft, a regular polygonal limiting groove is concavely arranged at one end of the sleeve, a sleeve ring is sleeved on the rotating shaft in a sliding manner, a limiting block matched with the limiting groove is fixedly connected to one side, facing the limiting groove, of the sleeve ring, and an elastic mechanism is arranged on the rotating shaft at the other end of the sleeve ring to push the limiting block into the limiting groove;
the other end of the sleeve is provided with a clamping ring for limiting the sliding of the sleeve.
Preferably, both ends of the sleeve are provided with annular belt grooves, and the bonding belt is sleeved in the belt grooves.
Preferably, the lantern ring medial surface is equipped with a plurality of sliders, and the pivot surface is provided with the spout along the axis corresponding slider, the slider joint is in the spout.
Preferably, the elastic mechanism comprises an internal thread cylinder which is sleeved on the outer surface of the lantern ring in a sliding manner, and the outer surface of the lantern ring is provided with an annular groove for clamping the end part of the internal thread cylinder;
the inner end face of the internal thread cylinder is fixedly connected with an external thread cylinder through a spring, the external thread cylinder is fixedly sleeved on one side of the rotating shaft, and the internal thread cylinder and the external thread cylinder are sleeved through a thread structure;
the inner end of the spring is fixedly connected with the inner ring of the bearing, and the outer ring of the bearing is fixedly connected with the inner end face of the internal thread cylinder.
Compared with the prior art, the invention has the beneficial effects that:
the advertising board adopts a three-side turnover design, can put a plurality of advertisements at one time, and has high space utilization rate;
the sleeve alright for the pivot free rotation, make things convenient for operating personnel to laminate the advertisement cloth on the bonding belt of both sides to the laminating in-process can rotate the sleeve, makes the advertisement cloth around between two upper and lower sleeves.
After the installation, rotate an internal thread section of thick bamboo and make it break away from an internal thread section of thick bamboo, under the effect of spring, the stopper is blocked in the spacing inslot of sleeve tip again for the sleeve follows the pivot and rotates, can drive the advertising cloth of its both sides at the sleeve rotation in-process and follow the rotation, and the time of at every turn pivoted rotates the number of turns according to driving pulley and confirms, makes advertising cloth just in time switch an advertisement when rotating from this at every turn.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the case of the present invention;
FIG. 3 is a schematic view of the structure of the synchronous turnover mechanism of the present invention;
FIG. 4 is a schematic view of a driving portion of the synchronous turnover mechanism of the present invention;
FIG. 5 is a schematic view of the bevel gear mechanism of the present invention;
FIG. 6 is a schematic view of the sleeve mechanism of the present invention;
fig. 7 is a schematic view of the sleeve structure of the present invention.
In the figure: 1, a box body, 101 advertisement display openings, 102 glass box doors, 103 installation cavities, 104 cover plates, 105 partition plates and 106 motor cavities;
200 synchronous turnover mechanism:
a motor 201, a gear 202, a gear 203, a driving pulley 204, a first belt 205, a driving roller 206, a first rotating shaft 206a, a lower pulley 206b and a driven pulley 206 c;
a 207-side driven roller, 207a second rotating shaft, 207b upper pulley;
208 a second belt;
209a main driving roller, 209a third rotating shaft, 209b lower main belt pulley;
210 main driven roller, 210a fourth rotating shaft and 210b upper main belt pulley;
211 bevel gear mechanism, 211a drive bevel gear, 211b bevel gear;
212 a third belt;
30 sleeve mechanism:
31 sleeve, 3101 belt groove, 3102 limit groove, 32 limit block, 33 collar, 3301 ring groove, 3302 slide block, 34 internal thread cylinder, 3401 bearing, 35 spring, 36 external thread cylinder;
4 bonding the belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a bill-board of trilateral synchronous upset, includes box 1 and the detachable apron 104 in box 1 top of quadrangular structure, and an advertisement show mouth 101 is seted up respectively to three side on the box 1, and articulated installation glass chamber door 102 is gone up to the box 1 in the advertisement show mouth 101 outside, and glass chamber door 102 is connected with box 1 through the conventional buckle among the prior art, and glass chamber door 102 and advertisement show mouth 101 one-to-one. The operator can open the glass box door 102 to replace the advertising cloth in the advertising display opening 101.
As shown in fig. 1-3, a synchronous turnover mechanism 200 is installed in the box body 1, the synchronous turnover mechanism 200 includes two side driving rollers 206 and a main driving roller 209 corresponding to the advertisement display opening 101 and rotatably installed on the inner bottom surface of the box body 1, the number of the advertisement display openings 101 is three, two of the advertisement display openings 101 are a first display opening 101a and a first display opening 101b, a third display opening 101c is located between the first display opening 101a and the first display opening 101b, the first display opening 101a and the first display opening 101b respectively correspond to the two side driving rollers 206, and the third display opening 101c corresponds to the main driving roller 209.
The end parts of the two side driving rollers 206 are fixedly connected with a driven pulley 206c, the two driven pulleys 206c are in transmission connection with a first belt 205, the middle part of the first belt 205 is also in transmission connection with a driving pulley 204, the diameter of the driving pulley 204 is larger than that of the driven pulley 206c, the driving pulley 204 is coaxially connected with a gear 203, and the gear 203 is in intermittent meshing with an incomplete gear 202 arranged at the driving end of the motor 201. The motor 201 drives the gear 203 to rotate, the gear 203 drives the incomplete gear 202 to intermittently rotate, the driving pulley 204 can be driven for a certain number of turns during each meshing, and the driving pulley 204 drives the driven pulleys 206c on two sides to synchronously rotate during the rotation.
A partition plate 105 is fixedly installed at one end, close to a driven pulley 206c, in the box body 1, a mounting cavity 103 is formed between the partition plate 105 and the side face, on the side face, not provided with the advertisement display opening 101, of the box body 1, the driven pulley 206c, a driving pulley 204, a gear 203, an incomplete gear 202 and a first belt 205 are all located in the mounting cavity 103, and a motor 201 is fixedly installed in a motor cavity 106 on the outer side of the box body 1.
As shown in fig. 4-5, the end of any one of the side driving rollers 206 is drivingly connected to the main driving roller 209 through a bevel gear mechanism 211, the bevel gear mechanism 211 includes two vertically-engaged driving bevel gears 211a and driven bevel gears 211b, the driving bevel gear 211a is fixedly connected to one end of any one of the first rotating shafts 206a far from the driven pulley 206c, and the driven bevel gear 211b is installed on one end of the third rotating shaft 209a near the driving bevel gear 211 a. When the side driving roller 206 rotates, the main driving roller 209 is driven to rotate by the bevel gear mechanism 211.
As shown in fig. 3-4, the side driving roller 206 further includes a first rotating shaft 206a and two lower side pulleys 206b symmetrically fixed on both sides of the first rotating shaft 206 a;
two side driven rollers 207 and a main driven roller 210 rotatably mounted on the top of the housing 1 in one-to-one correspondence with the two side driving rollers 206 and the main driving roller 209;
the two side driven rollers 207 comprise a second rotating shaft 207a and two upper belt pulleys 207b symmetrically fixed on two sides of the second rotating shaft 207a, and second belts 208 are respectively connected between the lower belt pulley 206b and the upper belt pulley 207b in a transmission way, which are positioned on the same vertical axis;
the main driving roller 209 comprises a third rotating shaft 209a and two lower main pulleys 209b symmetrically fixed on two sides of the third rotating shaft 209a, the main driving roller 210 comprises a fourth rotating shaft 210a and two upper main pulleys 210b symmetrically fixed on two sides of the fourth rotating shaft 210a, and third belts 212 are respectively connected between the lower main pulleys 209b and the upper main pulleys 210b on the same vertical axis in a transmission manner;
a sleeve mechanism 30 for pasting the billboard is sleeved on each of the first rotating shaft 206a, the second rotating shaft 207a, the third rotating shaft 209a and the fourth rotating shaft 210a,
the sleeve mechanism 30 includes a hollow cylindrical sleeve 31, the sleeve 31 is sleeved on the rotating shaft, the rotating shaft includes a first rotating shaft 206a, a second rotating shaft 207a, a third rotating shaft 209a and a fourth rotating shaft 210a, a regular polygonal limiting groove 3102 is concavely disposed at one side end of the sleeve 31, a collar for limiting the sleeve 31 to slide is disposed at the other side end of the sleeve 31, and the sleeve 31 can rotate on the rotating shaft.
A lantern ring 33 is sleeved on the rotating shaft in a sliding mode, one side, facing the limiting groove 3102, of the lantern ring 33 is fixedly connected with a limiting block 32 matched with the limiting groove 3102, an elastic mechanism is arranged on the rotating shaft at the other end of the lantern ring 33 to push the limiting block 32 into the limiting groove 3102, the lantern ring 33 is clamped with one side of the sleeve 31 at the moment, and the sleeve 31 cannot rotate relative to the rotating shaft but rotates along with the rotating shaft.
The elastic mechanism comprises an internal thread cylinder 34 which is sleeved on the outer surface of the lantern ring 33 in a sliding way, and the outer surface of the lantern ring 33 is provided with an annular groove 3301 which is clamped with the end part of the internal thread cylinder 34;
the inner end face of the internal thread cylinder 34 is fixedly connected with an external thread cylinder 36 through a spring 35, the external thread cylinder 36 is fixedly sleeved on one side of the rotating shaft, and the internal thread cylinder 34 and the external thread cylinder 36 are sleeved through a thread structure;
the inner end of the spring 35 is fixedly connected with the inner ring of the bearing 3401, and the outer ring of the bearing 3401 is fixedly connected with the inner end surface of the internal thread cylinder 34.
An adhesive belt 4 is rotatably connected between the sleeve mechanisms 30 on the first rotating shaft 206a and the second rotating shaft 207a which are positioned on the same side, the advertising cloth is wound on the two sleeve mechanisms 30, and two sides of the advertising cloth are adhered to the adhesive belt 4. Two ends of the sleeve 31 are provided with annular belt grooves 3101, and the adhesive belt 4 is sleeved in the belt grooves 3101. Toggle the lantern ring 33 to the one side of keeping away from sleeve 31 for sleeve 31 breaks away from the joint with lantern ring 33, links together an internal thread section of thick bamboo 36 and an external thread section of thick bamboo 36 this moment, sleeve 31 alright for the pivot free rotation, make things convenient for operating personnel to laminate the advertising cloth on the bonding belt 4 of both sides, and the laminating in-process can rotate sleeve 31, make the advertising cloth around between two upper and lower sleeves 31. After the installation, rotate an internal thread section of thick bamboo 36 and make it break away from an internal thread section of thick bamboo 36, under the effect of spring 35, stopper 32 joint is in the spacing groove 3102 of sleeve 31 tip once more for sleeve 31 follows the pivot and rotates, can drive the advertising cloth of its both sides and follow the rotation at sleeve 31 rotation in-process, and the time of at every turn rotating is confirmed according to driving pulley 204 rotation number of turns, just in time switches an advertisement when making advertising cloth rotate at every turn from this.
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 (8)
1. The utility model provides a bill-board of trilateral synchronous upset, includes box (1) and box (1) top detachable apron (104) of quadrangular prism structure, its characterized in that:
three side surfaces of the box body (1) are respectively provided with an advertisement display opening (101);
a synchronous turnover mechanism (200) is installed in the box body (1), the synchronous turnover mechanism (200) comprises two side driving rollers (206) and a main driving roller (209), the two side driving rollers correspond to the advertisement display opening (101) and are rotatably installed on the inner bottom surface of the box body (1), the end parts of the two side driving rollers (206) are fixedly connected with a driven pulley (206 c), the two driven pulleys (206 c) are in transmission connection with a first belt (205), the middle part of the first belt (205) is also in transmission connection with a driving pulley (204), the driving pulley (204) is coaxially connected with a gear (203), and the gear (203) is intermittently meshed with an incomplete gear (202) installed at the driving end of a motor (201);
the end part of any one side driving roller (206) is in transmission connection with a main driving roller (209) through a bevel gear mechanism (211);
the side driving roller (206) also comprises a first rotating shaft (206 a) and two lower side belt pulleys (206 b) symmetrically fixed on two sides of the first rotating shaft (206 a);
two side driven rollers (207) and a main driven roller (210) which are rotatably arranged at the top of the box body (1) are in one-to-one correspondence with the two side driving rollers (206) and the main driving roller (209);
the two side driven rollers (207) comprise a second rotating shaft (207 a) and two upper side belt pulleys (207 b) symmetrically fixed on two sides of the second rotating shaft (207 a), and second belts (208) are respectively connected between the lower side belt pulley (206 b) and the upper side belt pulley (207 b) in a transmission way and are positioned on the same vertical axis;
the main driving roller (209) comprises a third rotating shaft (209 a) and two lower main belt pulleys (209 b) symmetrically fixed on two sides of the third rotating shaft (209 a), the main driving roller (210) comprises a fourth rotating shaft (210 a) and two upper main belt pulleys (210 b) symmetrically fixed on two sides of the fourth rotating shaft (210 a), and third belts (212) are respectively connected between the lower main belt pulleys (209 b) and the upper main belt pulleys (210 b) on the same vertical axis in a transmission mode;
the first rotating shaft (206 a), the second rotating shaft (207 a), the third rotating shaft (209 a) and the fourth rotating shaft (210 a) are sleeved with sleeve mechanisms (30) for pasting the advertising board, a bonding belt (4) is rotatably connected between the sleeve mechanisms (30) on the first rotating shaft (206 a) and the second rotating shaft (207 a) which are positioned on the same side, the advertising cloth surrounds the two sleeve mechanisms (30), and the two sides of the advertising cloth are pasted with the bonding belt (4);
the sleeve mechanism (30) comprises a hollow cylindrical sleeve (31), the sleeve (31) is sleeved on the rotating shaft, the rotating shaft comprises a first rotating shaft (206 a), a second rotating shaft (207 a), a third rotating shaft (209 a) and a fourth rotating shaft (210 a), a regular polygonal limiting groove (3102) is concavely arranged at one end part of one side of the sleeve (31), a sleeve ring (33) is sleeved on the rotating shaft in a sliding mode, a limiting block (32) matched with the limiting groove (3102) is fixedly connected to one side, facing the limiting groove (3102), of the sleeve ring (33), and an elastic mechanism is arranged on the rotating shaft at the other end of the sleeve ring (33) and used for pushing the limiting block (32) into the limiting groove (3102);
a clamping ring for limiting the sleeve to slide is arranged at the end part of the other side of the sleeve (31), a plurality of sliding blocks (3302) are arranged on the inner side surface of the sleeve ring (33), sliding grooves are formed in the surface of the rotating shaft along the axis corresponding to the sliding blocks (3302), and the sliding blocks (3302) are clamped in the sliding grooves;
elastic mechanism includes that one slides and cup joints internal thread section of thick bamboo (34) on lantern ring (33) surface, and lantern ring (33) surface is equipped with ring channel (3301) of a joint internal thread section of thick bamboo (34) tip, spring (35) fixed connection external screw thread section of thick bamboo (36) is passed through to the terminal surface in internal thread section of thick bamboo (34), fixed the cup jointing in one side of pivot in external screw thread section of thick bamboo (36), cup joint through the helicitic texture between internal thread section of thick bamboo (34) and the external screw thread section of thick bamboo (36), and toggle (33) are stirred to one side of keeping away from sleeve (31), and sleeve (31) break away from the joint with lantern ring (33), and internal thread section of thick bamboo (34) are connected with external screw thread section of thick bamboo (36).
2. The three-side synchronous turnover billboard according to claim 1, characterized in that: the advertising display box is characterized in that a glass box door (102) is hinged to the box body (1) on the outer side of the advertising display opening (101), the glass box door (102) is connected with the box body (1) through a buckle, and the glass box door (102) corresponds to the advertising display opening (101) one by one.
3. The three-side synchronous turnover billboard according to claim 1, characterized in that: the quantity of advertisement show mouth (101) is three, and wherein relative two are first show mouth (101 a) and first show mouth (101 b), are located first show mouth (101 a) and first show mouth (101 b) middle be third show mouth (101 c), first show mouth (101 a) and first show mouth (101 b) correspond with two side drive rollers (206) respectively, and third show mouth (101 c) corresponds with a main drive roller (209).
4. The three-side synchronous turnover billboard according to claim 1, characterized in that: one end fixed mounting baffle (105) that is close to driven pulley (206 c) in box (1), constitute installation cavity (103) between baffle (105) and the side of the one side of not seting up advertisement show mouth (101) on box (1), driven pulley (206 c), drive pulley (204), gear (203), incomplete gear (202) and first belt (205) all are located installation cavity (103), motor (201) fixed mounting is in motor chamber (106) in box (1) outside.
5. The three-side synchronous turnover billboard according to claim 1, characterized in that: the diameter of the driving pulley (204) is larger than that of the driven pulley (206 c).
6. The three-side synchronous turnover billboard according to claim 1, characterized in that: the bevel gear mechanism (211) comprises a driving bevel gear (211 a) and a driven bevel gear (211 b) which are vertically meshed, the driving bevel gear (211 a) is fixedly connected with one end, far away from the driven pulley (206 c), of any one first rotating shaft (206 a), and the driven bevel gear (211 b) is installed at one end, close to the driving bevel gear (211 a), of a third rotating shaft (209 a).
7. The three-side synchronous turnover billboard according to claim 1, characterized in that: two ends of the sleeve (31) are provided with annular belt grooves (3101), and the adhesive belts (4) are sleeved in the belt grooves (3101).
8. The three-side synchronous turnover billboard according to claim 1, characterized in that: the inner end of the spring (35) is fixedly connected with the inner ring of the bearing (3401), and the outer ring of the bearing (3401) is fixedly connected with the inner end face of the internal thread cylinder (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605755.XA CN111710259B (en) | 2020-06-29 | 2020-06-29 | Three-side synchronous turnover advertising board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605755.XA CN111710259B (en) | 2020-06-29 | 2020-06-29 | Three-side synchronous turnover advertising board |
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| CN111710259A CN111710259A (en) | 2020-09-25 |
| CN111710259B true CN111710259B (en) | 2021-12-28 |
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| CN114694478B (en) * | 2022-02-15 | 2023-11-24 | 深圳大昌洋行实业有限公司 | Electronic tag convenient to read and provided with protection mechanism for electronic commerce logistics storage |
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