CN213483298U

CN213483298U - LED display screen with lid behind upset

Info

Publication number: CN213483298U
Application number: CN202022911548.5U
Authority: CN
Inventors: 李伟根
Original assignee: Shenzhen Contrast Technology Co ltd
Current assignee: Shenzhen Contrast Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-06-18
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a LED display screen with lid behind upset, including casing and apron, the apron is installed to casing one side, but the casing top is fixed with the automatic tooth slewing mechanism that presses the drawing, and the apron rotates with the casing through tooth slewing mechanism to be connected, but the pedal mechanism that can press automatically to stretch is installed to the tooth slewing mechanism bottom to lie in the casing, and pedal mechanism and the cooperation of tooth slewing mechanism, and this LED display upwards opens the apron, makes the apron by rigidity through the linkage of tooth slewing mechanism, reachs the effect to the inside inspection of LED display, compares with prior art, and this device has saved when the maintenance and has dismantled the operation to the back lid, cooperates the access door rotation installation simultaneously, to the inside inspection maintenance, has improved the high efficiency when maintaining.

Description

LED display screen with lid behind upset

Technical Field

The utility model relates to a LED display technical field specifically is a LED display screen with lid behind the upset.

Background

An LED display is a display screen for displaying various information such as text, graphics, images, animation, market conditions, video, and video signals by controlling the display mode of semiconductor light emitting diodes, and is connected in proper connection (including series connection and parallel connection) and optical structure by light emitting diode chips. Light emitting segments or points of the light emitting display may be constructed. The luminous segments or luminous points can be combined into nixie tubes, symbol tubes, Mi-tubes, matrix tubes, level display tubes and the like. Nixie tubes, symbol tubes, and mijie tubes are commonly referred to as stroke displays, while stroke displays and matrix tubes are commonly referred to as character displays.

General LED display all combines the module of fritter, forms a big LED display, and traditional LED display backshell is all fixed, and it is comparatively inconvenient to dismantle, when needs maintenance, only lifts monoblock LED display off, and is inefficient, uses very inconveniently.

To this end, we propose an LED display screen with a flip back cover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a maintain convenient LED display that has lid after upset to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LED display screen with lid after upset, includes casing and apron, the apron is installed to casing one side, the casing top is fixed with the tooth that can press automatically and draw commentaries on classics mechanism, and the apron rotates through tooth commentaries on classics mechanism and casing to be connected, lie in the tooth commentaries on classics mechanism bottom in the casing and install the pedal mechanism that can press automatically and stretch, and pedal mechanism and the cooperation of tooth commentaries on classics mechanism.

Preferably, the gear rotating mechanism comprises a middle gear, a pinion, a first spring, an elastic groove, a bidirectional rack, a gearwheel, a supporting block, a second limiting groove, a unidirectional rack, a first rotating shaft, a second rotating shaft and a machine groove, the machine groove is symmetrically formed in the top of the machine shell, the second rotating shaft is rotatably installed on one side of the top of the machine shell, the outer wall of the second rotating shaft is fixedly connected with one end of the cover plate, the gearwheels are fixed at two ends of the second rotating shaft in the machine groove, the first rotating shaft is rotatably installed in the center of the top of the machine groove, middle gears are symmetrically fixed at two ends of the first rotating shaft, the bidirectional rack is slidably installed between the gearwheel and the middle gear in the machine groove, the gearwheel and the middle gear are meshed with the bidirectional rack, the pinion is rotatably installed below the middle gear in the machine groove and meshed with the pinion, the elastic groove is formed in one side of the pinion in the, and a one-way rack is inserted in the elastic groove in a sliding manner, a first spring is fixed in the elastic groove, the one-way rack is elastically connected with the elastic groove through the first spring and is meshed with the pinion, a supporting block is fixed at the end, close to the cover plate, of the one-way rack, and a second limiting groove is formed in the bottom end of the supporting block.

Preferably, the supporting block is in an inclined plane shape.

Preferably, the pedal mechanism comprises a limiting block, an elastic groove, a second spring, a steel wire, a first limiting groove, a linear groove, a third spring, a pedal groove and a pressing block, the center of the bottom end of the unidirectional rack is provided with the first limiting groove, the inner wall of the machine groove is provided with the elastic groove at the position corresponding to the first limiting groove, the elastic groove is internally inserted with the limiting block in a sliding way, the limiting block is matched with the inclined surface of the first limiting groove, the second spring is fixed in the elastic groove, the limiting block is elastically connected with the elastic groove through the second spring, the bottom of the elastic groove is provided with the linear groove, the steel wire is placed in the linear groove, one end of the steel wire is fixedly connected with the limiting block, the side end of the bottom of the machine shell is provided with the pedal groove which is communicated with the linear groove, the pressing block is rotatably installed in the pedal groove, the bottom end of the pressing block is fixed with the third spring, and the steel wire penetrates through the pedal groove and is fixedly connected with the surface of the pressing block.

Preferably, the casing surface is located pedal groove top and has seted up the apical groove, the apron internal surface corresponds the apical groove and is fixed with the kicking block, and the kicking block is trapezoidal with the apical groove is the cooperation.

Preferably, an inspection opening is formed in the central surface of the cover plate, and a maintenance door is rotatably installed in the inspection opening.

Compared with the prior art, the beneficial effects of the utility model are that: upwards open the apron, make the apron by the rigidity through the linkage of tooth commentaries on classics mechanism, reach the effect to the inside inspection of LED display, compare with prior art, this device has saved when the maintenance and has dismantled the operation to the back lid, and the installation is rotated to cooperation access door simultaneously, to inside inspection maintenance, high efficiency when having improved the maintenance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the gear rotating mechanism of the present invention;

FIG. 4 is a schematic view of the pedal mechanism of the present invention;

FIG. 5 is a second schematic view of the pedal mechanism of the present invention;

FIG. 6 is a schematic top view of the overall structure of the present invention;

FIG. 7 is a schematic view of the cover plate structure of the present invention;

fig. 8 is a second schematic view of the cover plate structure of the present invention.

In the figure: 1. a housing; 2. a cover plate; 3. a gear rotating mechanism; 31. a middle gear; 32. a pinion gear; 33. a first spring; 34. an elastic groove; 35. a bidirectional rack; 36. a bull gear; 37. a support block; 38. a second limit groove; 39. a unidirectional rack; 30. a first rotating shaft; 310. a second rotating shaft; 311. a machine groove; 5. a pedal mechanism; 53. a limiting block; 54. an elastic groove; 55. a second spring; 56. a steel wire; 57. a first limit groove; 58. a linear groove; 59. a third spring; 50. a pedal slot; 510. briquetting; 6. a top block; 7. a top groove; 8. repairing the door; 9. and (6) inspecting the opening.

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, the portable electronic device comprises a casing 1 and a cover plate 2, wherein the cover plate 2 is installed on one side of the casing 1, a gear rotating mechanism 3 capable of automatically pressing and pulling is fixed on the top of the casing 1, the cover plate 2 is rotatably connected with the casing 1 through the gear rotating mechanism 3, a pedal mechanism 5 capable of automatically pressing and extending is installed at the bottom of the gear rotating mechanism 3 in the casing 1, and the pedal mechanism 5 is matched with the gear rotating mechanism 3.

When needs are opened, upwards open apron 2, make apron 2 by the rigidity through the linkage of tooth favourable turn 3, reach the effect to the inside inspection of LED display, when needs are closed, through pressing pedal mechanism 5, drive tooth favourable turn 3 work, make apron 2 accomplish under the condition of not having the atress and close.

Referring to fig. 2, the rotating gear mechanism 3 includes a middle gear 31, a small gear 32, a first spring 33, an elastic groove 34, a bidirectional rack 35, a large gear 36, a supporting block 37, a second limiting groove 38, a unidirectional rack 39, a first rotating shaft 30, a second rotating shaft 310 and a machine groove 311, the machine groove 311 is symmetrically formed in the top of the housing 1, the second rotating shaft 310 is rotatably installed on one side of the top of the housing 1, the outer wall of the second rotating shaft 310 is fixedly connected with one end of the cover plate 2, the large gear 36 is fixed at both ends of the second rotating shaft 310 in the machine groove 311, the first rotating shaft 30 is rotatably installed in the center of the top of the machine groove 311, the middle gear 31 is symmetrically fixed at both ends of the first rotating shaft 30, the bidirectional rack 35 is slidably installed between the large gear 36 and the middle gear 31 in the machine groove 311, the large gear 36 and the middle gear 31 are both engaged with the bidirectional rack 35, the small gear 32 is rotatably installed below the middle gear 31, the middle gear 31 is engaged with the pinion 32, an elastic groove 34 is formed in one side, located on the pinion 32, of the machine groove 311, a one-way rack 39 is inserted in the elastic groove 34 in a sliding mode, a first spring 33 is fixed in the elastic groove 34, the one-way rack 39 is elastically connected with the elastic groove 34 through the first spring 33, the one-way rack 39 is engaged with the pinion 32, a supporting block 37 is fixed to the one-way rack 39 close to the cover plate 2, and a second limiting groove 38 is formed in the bottom end of the supporting block 37.

When the cover plate 2 rotates around the second rotating shaft 310, the large gear 36 is driven to rotate, the bidirectional rack 35 is driven to move downwards through the rotation of the large gear 36, so that the middle gear 31 rotates, the small gear 32 rotates, the unidirectional rack 39 extends outwards, the support block 37 presses and contacts the cover plate 2, the position fixing of the cover plate 2 is completed,

referring to fig. 2, the supporting block 37 is in an inclined plane shape, and when the supporting block 37 is in pressing contact with the cover plate 2, the cover plate 2 is more stably positioned by the inclined plane design.

Referring to fig. 3, the pedal mechanism 5 includes a limiting block 53, an elastic groove 54, a second spring 55, a steel wire 56, a first limiting groove 57, a linear groove 58, a third spring 59, a pedal groove 50 and a pressing block 510, the first limiting groove 57 is formed in the center of the bottom end of the one-way rack 39, the elastic groove 54 is formed in a position corresponding to the first limiting groove 57 on the inner wall of the machine groove 311, the limiting block 53 is inserted in the elastic groove 54 in a sliding manner, the limiting block 53 is matched with the first limiting groove 57 in an inclined plane, the second spring 55 is fixed in the elastic groove 54, the limiting block 53 is elastically connected with the elastic groove 54 through the second spring 55, the linear groove 58 is formed in the bottom of the elastic groove 54, the steel wire 56 is placed in the linear groove 58, one end of the steel wire 56 is fixedly connected with the limiting block 53, the pedal groove 50 is formed in the bottom side end of the housing 1, and the, a press block 510 is rotatably mounted in the pedal slot 50, a third spring 59 is fixed on one side of the bottom end of the press block 510, the press block 510 is elastically connected with the pedal slot 50 through the third spring 59, and the steel wire 56 penetrates through the pedal slot 50 and is fixedly connected with the surface of the press block 510.

When the cover plate 2 needs to be closed, the pressing block 510 is pressed downwards, the steel wire 56 is pulled downwards through the pressure of the pressing block 510, and therefore the limiting block 53 overcomes the elastic force of the second spring 55 and contracts inwards, the one-way rack 39 contracts inwards through gear meshing, the speed of the one-way rack 39 is low when the one-way rack 39 contracts due to the elastic force of the first spring 33, and when the one-way rack 39 completely contracts in, the fixing of the cover plate 2 when the cover plate is closed is completed through the matching of the second limiting groove 38 and the limiting block 53.

Referring to fig. 2 and 4, a top groove 7 is formed on the surface of the housing 1 above the pedal groove 50, a top block 6 is fixed on the inner surface of the cover plate 2 corresponding to the top groove 7, and the top block 6 and the top groove 7 are in a matching trapezoid shape, so that the top block 6 and the top groove 7 can be conveniently aligned and inserted.

Referring to fig. 5, an inspection opening 9 is formed in the central surface of the cover plate 2, and a maintenance door 8 is rotatably installed in the inspection opening 9.

Through the opening of the inspection opening 9, the maintenance door 8 can be directly opened to maintain the interior of the LED display when large-area inspection is not needed.

In this scheme, when needs are opened, upwards open apron 2, when apron 2 rotates around second pivot 310, drive gear wheel 36 and rotate, rotate through gear wheel 36, drive two-way rack 35 downstream, thereby make well gear 31 rotate, it rotates to drive pinion 32, make one-way rack 39 outwards stretch out, extrusion contact to apron 2 through supporting shoe 37, the completion is to the rigidity of apron 2, reach the effect to the inside inspection of LED display, when needs are closed, through pressing pedal mechanism 5, drive the work of tooth slewing mechanism 3, make apron 2 accomplish under the condition that does not have the atress and close, can directly open maintenance door 8 when not needing large tracts of land inspection and maintain LED display inside.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a LED display screen with lid behind upset, includes casing (1) and apron (2), its characterized in that are installed to casing (1) one side: the automatic pressing and pulling type gear transmission mechanism is characterized in that a gear transmission mechanism (3) capable of automatically pressing and pulling is fixed at the top of the casing (1), the cover plate (2) is rotatably connected with the casing (1) through the gear transmission mechanism (3), a pedal mechanism (5) capable of automatically pressing and extending is installed at the bottom of the gear transmission mechanism (3) in the casing (1), and the pedal mechanism (5) is matched with the gear transmission mechanism (3).

2. The LED display screen with the turnover rear cover as claimed in claim 1, wherein: the gear rotating mechanism (3) comprises a middle gear (31), a pinion (32), a first spring (33), an elastic groove (34), a bidirectional rack (35), a large gear (36), a supporting block (37), a second limiting groove (38), a one-way rack (39), a first rotating shaft (30), a second rotating shaft (310) and a machine groove (311), wherein the machine groove (311) is symmetrically formed in the top of the machine shell (1), the second rotating shaft (310) is rotatably installed on one side of the top of the machine shell (1), the outer wall of the second rotating shaft (310) is fixedly connected with one end of the cover plate (2), the large gears (36) are fixed at two ends of the second rotating shaft (310) in the machine groove (311), the first rotating shaft (30) is rotatably installed in the center of the top of the machine groove (311), the middle gears (31) are symmetrically fixed at two ends of the first rotating shaft (30), the two-way rack (35) is slidably installed between the large gear (36) and the middle gear (31) in, and the bull gear (36) and the middle gear (31) are all meshed with the bidirectional rack (35) and connected, the pinion (32) is rotatably installed below the middle gear (31) in the machine groove (311), the middle gear (31) is meshed with the pinion (32) and connected, the elastic groove (34) is formed in one side of the pinion (32) in the machine groove (311), the unidirectional rack (39) is inserted in the elastic groove (34) in a sliding mode, the first spring (33) is fixed in the elastic groove (34), the unidirectional rack (39) is elastically connected with the elastic groove (34) through the first spring (33), the unidirectional rack (39) is meshed with the pinion (32) and connected, a supporting block (37) is fixed to the end, close to the cover plate (2), of the unidirectional rack (39), and the second limiting groove (38) is formed in the bottom end of the supporting block (37).

3. The LED display screen with the turnover rear cover as claimed in claim 2, wherein: the supporting block (37) is in an inclined plane shape.

4. The LED display screen with the turnover rear cover as claimed in claim 2, wherein: the pedal mechanism (5) comprises a limiting block (53), an elastic groove (54), a second spring (55), a steel wire (56), a first limiting groove (57), a linear groove (58), a third spring (59), a pedal groove (50) and a pressing block (510), the center of the bottom end of the one-way rack (39) is provided with the first limiting groove (57), the inner wall of the machine groove (311) is positioned at the corresponding position of the first limiting groove (57) and is provided with the elastic groove (54), the limiting block (53) is inserted in the elastic groove (54) in a sliding manner, the limiting block (53) is matched with the inclined plane of the first limiting groove (57), the second spring (55) is fixed in the elastic groove (54), the limiting block (53) is elastically connected with the elastic groove (54) through the second spring (55), the bottom of the elastic groove (54) is provided with the linear groove (58), the steel wire (56) is placed in the linear groove (58), and steel wire (56) one end and stopper (53) fixed connection, pedal groove (50) have been seted up to casing (1) bottom side, and pedal groove (50) and line type groove (58) intercommunication, briquetting (510) are installed to pedal groove (50) internal rotation, briquetting (510) bottom one side is fixed with third spring (59), and briquetting (510) pass through third spring (59) and pedal groove (50) elastic connection, and steel wire (56) pass pedal groove (50) and briquetting (510) fixed surface be connected.

5. The LED display screen with the turnover rear cover as claimed in claim 4, wherein: top groove (7) have been seted up to casing (1) surface position in pedal groove (50) top, apron (2) internal surface corresponds top groove (7) and is fixed with kicking block (6), and kicking block (6) are trapezoidal with the cooperation in top groove (7).

6. The LED display screen with the turnover rear cover as claimed in claim 5, wherein: an inspection opening (9) is formed in the center surface of the cover plate (2), and a maintenance door (8) is rotatably mounted in the inspection opening (9).