CN110397669B - Arc-shaped splicing lock structure of LED display screen frame - Google Patents
Arc-shaped splicing lock structure of LED display screen frame Download PDFInfo
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- CN110397669B CN110397669B CN201910704117.0A CN201910704117A CN110397669B CN 110397669 B CN110397669 B CN 110397669B CN 201910704117 A CN201910704117 A CN 201910704117A CN 110397669 B CN110397669 B CN 110397669B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
- F16C11/103—Arrangements for locking frictionally clamped
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- 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
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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Abstract
The invention belongs to the technical field of large-scale LED display equipment, and particularly relates to an arc-shaped splicing lock structure of an LED display screen frame, which comprises a first display, a second display and a splicing lock mechanism, wherein the splicing lock mechanism comprises an installation frame, an adsorption paste, a first telescopic rod, a second telescopic rod, a swinging rod, a rotating handle, a rotating rod, a first rotating roller and a second rotating roller; the inner rear surface walls of the first display and the second display are fixedly connected with adsorption pastes; the outer end of the adsorption paste is rotatably connected with a first telescopic rod; the two first telescopic rods are connected through a mounting frame, the rear ends of the first telescopic rods are fixedly mounted inside the mounting frame, and the inner walls of the first telescopic rods at the left ends are connected with the outer surfaces of the second rotating rollers through gears; the invention is mainly used for solving the problems that the LED display screen splicing lock structure in the prior art can not freely and flexibly adjust the display screen when needed and can not provide sufficient protection for the display screen.
Description
Technical Field
The invention belongs to the technical field of large-scale LED display equipment, and particularly relates to an arc-shaped splicing lock structure of an LED display screen frame.
Background
An LED display (LED display) is a flat panel display, which is composed of small LED module panels for displaying various information such as text, image, video, and video signals, LEDs, and light emitting diodes (abbreviated as light emitting diodes). It is a diode made of a compound of gallium (Ga) and arsenic (As), phosphorus (P), nitrogen (N), indium (In) by controlling the display mode of a semiconductor light emitting diode, and can radiate visible light when electrons and holes are recombined, and thus can be used to manufacture a light emitting diode. In circuits and instruments as indicator lights or to form text or numerical displays. The gallium phosphide diode emits red light, the gallium phosphide diode emits green light, the silicon carbide diode emits yellow light, and the indium gallium nitride diode emits blue light, and because of the limitation of the size and the angle of a screen, when some lecture institutions and training institutions explain people, two large display screens are usually required to be arranged and placed at fixed positions to ensure that all people can see the content on the display screens, but the display screens are extremely difficult to move to the positions again after being placed and fixed, cannot be flexibly adjusted to the fixed angles according to requirements, and cannot fully protect the display screens in the rotating process.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides an arc-shaped splicing lock structure of an LED display screen frame. The invention is mainly used for solving the problems that the LED display screen splicing lock structure in the prior art can not freely and flexibly adjust the display screen when needed and can not provide sufficient protection for the display screen.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an arc-shaped splicing lock structure of an LED display screen frame, which comprises a first display, a second display and a splicing lock mechanism, wherein the splicing lock mechanism comprises a mounting frame, an adsorption paste, a first telescopic rod, a second telescopic rod, a swinging rod, a rotating handle, a rotating rod, a first rotating roller and a second rotating roller; the inner rear surface walls of the first display and the second display are fixedly connected with adsorption pastes; the outer end of the adsorption paste is rotatably connected with a first telescopic rod; the two first telescopic rods are connected through the mounting frame, the rear ends of the first telescopic rods are fixedly mounted inside the mounting frame, the front ends of the first telescopic rods are slidably inserted into the front end wall of the mounting frame, and the inner wall of the first telescopic rod at the left end is connected with the outer surface of the second rotating roller through a gear; the inner end of the second rotating roller is provided with a rotating rod, and a first rotating roller is arranged above the second rotating roller; the lower end of the rotating rod is arranged in the mounting frame, the upper end of the rotating rod is arranged above the mounting frame, and the upper end of the rotating rod is fixedly provided with a rotating handle; the first rotating roller is fixedly arranged on the outer side above the rotating rod, and the front end and the rear end of the first rotating roller are rotatably connected with a swinging rod through gears; the outer ends of the swing rods are rotatably connected to the outer ends of the first display and the second display for adsorption, and the inner ends of the swing rods are hinged with a second telescopic rod; the second telescopic rod is connected in the front wall and the rear wall above the inner part of the mounting frame in a sliding manner; when the angles of the two LED display screens are required to be adjusted, the rotating handle can be rotated to adjust, when the rotating handle is rotated, the rotating rod at the lower end can be driven to rotate, namely, the rotating handle can drive the first rotating roller and the second rotating roller at the lower end of the rotating rod to rotate, when the rotating rod rotates anticlockwise, the second rotating roller can drive the first telescopic rod to retract towards the inside of the mounting frame due to the gear connection, the first rotating roller drives the swinging rod to move towards the outer end, namely, the inner side radian between the first display and the second display is gradually increased, the first display and the second display tend to be parallel infinitely, when the rotating handle is rotated clockwise, the inner side radians of the first display and the second display are gradually reduced, therefore, the angle between the first display and the second display can be freely adjusted, and the display angle of the displays can be freely adjusted according to different numbers of people, more convenient for people to watch.
The inner ends of the first display and the second display are fixedly provided with rubber blocks; the lower end of the rubber block is hollow; when the first display and the second display are infinitely parallel, namely the inner ends of the first display and the second display are gradually close to and contacted, the rubber blocks are fixedly arranged at the inner ends of the first display and the second display, and the lower ends of the rubber blocks are hollow, so that the rubber blocks can be contacted with the inner ends of the first display and the second display before contact, the inner cavities are extruded by mutual extrusion, an elastic acting force is provided, and the phenomenon that the inner ends of the first display and the second display are directly contacted to damage the displays is avoided.
A clamping gear is arranged below the second rotating roller; the upper end of the clamping gear can be clamped into the lower end wall of the second rotating roller, and the lower end of the clamping gear is fixedly arranged at the upper end of the third telescopic rod; the lower end of the third telescopic rod is fixedly arranged on the inner lower wall of the mounting frame, and the inner cavity of the third telescopic rod is communicated with the inner cavity of the rubber block; when its inside cavity was compressed when the rubber block of a display and No. two displays inner extrudees each other, the inside cavity of rubber block can be with its inside air input to No. three telescopic link inside cavities when pressure is too big, thereby make No. three telescopic links up motion under the atmospheric pressure effect, promote joint gear upward movement promptly, and finally make in the joint gear joint advances the lower end wall of No. two live-rollers, fix No. two live-rollers, make No. two live-rollers can't continue to rotate, can't continue to extrude when being close to certain degree mutually at a display and No. two displays promptly, carry out further protection to a display and No. two displays.
Supporting rods are uniformly arranged in the second rotating roller; the inner end of the supporting rod is fixedly connected with an extrusion plate; the four extrusion plates are arranged in an arc shape, and the inner walls of the extrusion plates are attached to the outer surface of the rotating rod; under the normal condition, because bracing piece and the supporting role of stripper plate, can make the frictional force between bull stick and the stripper plate great, No. two rotor rolls can keep continuously rotating and adjust a telescopic link when joint gear does not connect each other with No. two rotor rolls promptly, in case No. two rotor rolls are not continuing to rotate after joint gear and No. two rotor rolls joint are accomplished, realize that the frictional force between discontinuity reduction bull stick and the stripper plate according to the self-regulation of bracing piece makes the bull stick continue to rotate and can not drive No. two rotor rolls and continue to rotate simultaneously, ensure not to influence a telescopic link in work.
The extrusion plates are connected through an elastic rubber plate; after No. two live-rollers are fixed by the joint gear, connect through the elastic rubber board between the stripper plate, can not excessive motion because of the power of drawing of elastic rubber board when the stripper plate outwards slides because of the change intermittent type nature of frictional force promptly, avoid long-time work to lead to the bracing piece to receive the influence to diminish the unable bull stick that hugs closely of can not contracting to the stripper plate extrusion.
The outer surface of the lower end of the rotating rod is uniformly and fixedly provided with rubber rods; the rubber rod is semi-cylindrical, and the outer end of the rubber rod is in friction contact with the inner wall of the extrusion plate; when relative friction motion takes place between bull stick and the stripper plate, because of the even fixed mounting of the lower extreme surface of bull stick has the rubber pole, the rubber pole is semi-cylindrical, and the outer end of rubber pole and the inner wall frictional contact of stripper plate, so make area of contact between bull stick and the stripper plate reduce greatly, but frictional force greatly increased between the two, not only can ensure No. two live-rollers normal work, can also fully reduce the frictional force between bull stick and the stripper plate simultaneously, the lower extreme of avoiding the bull stick is worn and torn to lead to driving No. two live-rollers to continue to rotate.
The invention has the following beneficial effects:
1. the invention can realize that when the angles of two LED display screens need to be adjusted, the rotating handle can be rotated to adjust, when the rotating handle is rotated, the rotating rod at the lower end can be driven to rotate, namely, the rotating handle can drive the first rotating roller and the second rotating roller at the lower end of the rotating rod to rotate, when the rotating rod rotates anticlockwise, the second rotating roller can drive the first telescopic rod to retract towards the inside of the installation frame due to the connection of gears, and simultaneously, the first rotating roller drives the oscillating rod to move towards the outer end, so that the inner side radian between the first display and the second display is gradually increased, the first display and the second display tend to be parallel infinitely, and when the rotating handle rotates clockwise, the radians at the inner sides of the first display and the second display are gradually reduced, thereby realizing the free adjustment of the angles between the first display and the second display, therefore, the display angle of the display can be freely adjusted according to different numbers of people, and people can watch the display more conveniently.
2. The rubber block is fixedly arranged at the inner ends of the first display and the second display, and the lower end of the rubber block is hollow, so that the rubber blocks can contact with the inner ends of the first display and the second display before the inner ends of the first display and the second display contact with each other, the inner cavities are extruded by the mutual extrusion, an elastic acting force is provided, and the phenomenon that the inner ends of the first display and the second display directly contact with each other to damage the displays is avoided.
3. According to the invention, the clamping gear is arranged, so that when the rubber blocks at the inner ends of the first display and the second display are mutually extruded, the inner cavities of the rubber blocks are compressed, the inner air of the inner cavities of the rubber blocks can be input into the inner cavity of the third telescopic rod when the pressure is overlarge, so that the third telescopic rod moves upwards under the action of air pressure, namely the clamping gear is pushed to move upwards, and finally the clamping gear is clamped into the lower end wall of the second rotary roller to fix the second rotary roller, so that the second rotary roller cannot continue to rotate, namely the first display and the second display cannot continue to be extruded when approaching to a certain degree, and the first display and the second display are further protected.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of the mounting frame of the present invention;
FIG. 3 is a schematic view of the snap gear of the present invention;
FIG. 4 is a schematic view of the construction of the second turning roll of the present invention;
in the figure: display 1, rubber block 11, joint gear 12, No. three telescopic link 13, No. two displays 2, concatenation latch mechanism 3, installing frame 31, adsorb and paste 32, telescopic link 33, telescopic link 34 No. two, swinging arms 35, rotation handle 36, bull stick 37, rubber pole 371, live-rollers 38, live-rollers 39 No. two, bracing piece 391, stripper plate 392, elastic rubber board 393.
Detailed Description
An arc-shaped splicing lock structure of an LED display screen frame according to an embodiment of the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1-4, the arc-shaped splicing lock structure of the LED display screen frame comprises a first display 1, a second display 2 and a splicing lock mechanism 3, wherein the splicing lock mechanism 3 comprises a mounting frame 31, an adsorption sticker 32, a first telescopic rod 33, a second telescopic rod 34, a swing rod 35, a rotating handle 36, a rotating rod 37, a first rotating roller 38 and a second rotating roller 39; the rear surface walls of the inner ends of the first display 1 and the second display 2 are fixedly connected with an adsorption sticker 32; the outer end of the adsorption paste 32 is rotatably connected with a first expansion link 33; the two first telescopic rods 33 are connected through the mounting frame 31, the rear ends of the first telescopic rods 33 are fixedly mounted inside the mounting frame 31, the front ends of the first telescopic rods 33 are slidably inserted into the front end wall of the mounting frame 31, and the inner wall of the first telescopic rod 33 at the left end is connected with the outer surface of the second rotating roller 39 through a gear; a rotating rod 37 is arranged at the inner end of the second rotating roller 39, and a first rotating roller 38 is arranged above the second rotating roller 39; the lower end of the rotating rod 37 is arranged in the mounting frame 31, the upper end of the rotating rod 37 is arranged above the mounting frame 31, and the upper end of the rotating rod 37 is fixedly provided with a rotating handle 36; the first rotating roller 38 is fixedly arranged on the outer side above the rotating rod 37, and the front end and the rear end of the first rotating roller 38 are rotatably connected with the oscillating rod 35 through gears; the number of the swing rods 35 is two, the outer ends of the swing rods 35 are rotatably connected to the outer end adsorption stickers 32 of the first display 1 and the second display 2, and the inner ends of the swing rods 35 are hinged with second expansion rods 34; the second telescopic rod 34 is connected in the front and rear walls above the inside of the mounting frame 31 in a sliding manner; when the angles of the two LED display screens need to be adjusted, the rotating handle 36 can be rotated to adjust, when the rotating handle 36 is rotated, the rotating rod 37 at the lower end can be driven to rotate, namely, the rotating handle 36 can drive the first rotating roller 38 and the second rotating roller 39 at the lower end of the rotating rod 37 to rotate, when the rotating rod 37 rotates anticlockwise, the second rotating roller 39 can drive the first telescopic rod 33 to retract into the mounting frame 31 due to the reason of gear connection, meanwhile, the first rotating roller 38 drives the swinging rod 35 to move outwards, namely, the inner side radian between the first display 1 and the second display 2 is gradually increased, so that the first display 1 and the second display 2 can be infinitely parallel, and when the rotating handle 36 is rotated clockwise, the inner side radians of the first display 1 and the second display 2 are gradually reduced, therefore, the angle between the first display 1 and the second display 2 can be freely adjusted, therefore, the display angle of the display can be freely adjusted according to different numbers of people, and people can watch the display more conveniently.
The inner ends of the first display 1 and the second display 2 are fixedly provided with rubber blocks 11; the lower end of the rubber block 11 is hollow; when the first display 1 and the second display 2 are infinitely parallel, namely the inner ends of the first display 1 and the second display 2 are gradually close to and contacted, the rubber block 11 is fixedly arranged at the inner ends of the first display 1 and the second display 2, and the lower end of the rubber block 11 is hollow, so that the rubber block 11 is contacted with the inner ends of the first display 1 and the second display 2 before the contact, and the inner cavities are extruded by mutual extrusion to provide an elastic acting force, and the inner ends of the first display 1 and the second display 2 are prevented from being directly contacted to damage the displays.
A clamping gear 12 is arranged below the second rotating roller 39; the upper end of the clamping gear 12 can be clamped into the lower end wall of the second rotating roller 39, and the lower end of the clamping gear 12 is fixedly arranged at the upper end of the third telescopic rod 13; the lower end of the third telescopic rod 13 is fixedly arranged on the inner lower wall of the mounting frame 31, and the inner cavity of the third telescopic rod 13 is communicated with the inner cavity of the rubber block 11; when the inner cavity of the rubber block 11 at the inner ends of the first display 1 and the second display 2 is compressed when the rubber block 11 is extruded mutually, the inner cavity of the rubber block 11 can input air into the inner cavity of the third telescopic rod 13 when the pressure is too high, so that the third telescopic rod 13 moves upwards under the action of air pressure, namely, the clamping gear 12 is pushed to move upwards, and finally, the clamping gear 12 is clamped into the lower end wall of the second rotating roller 39, the second rotating roller 39 is fixed, the second rotating roller 39 cannot continue to rotate, namely, the first display 1 and the second display 2 cannot continue to be extruded when approaching to a certain degree mutually, and the first display 1 and the second display 2 are further protected.
Supporting rods 391 are uniformly arranged in the second rotating roller 39; the inner end of the support rod 391 is fixedly connected with a pressing plate 392; four extrusion plates 392 are arranged, the extrusion plates 392 are arc-shaped, and the inner walls of the extrusion plates 392 are attached to the outer surfaces of the rotating rods 37; under normal conditions, because the supporting role of bracing piece 391 and stripper plate 392, can make the frictional force between bull stick 37 and the stripper plate 392 great, No. two rotor rolls 39 can keep continuously rotating and adjust telescopic link 33 when joint gear 12 does not connect each other with No. two rotor rolls 39 promptly, No. two rotor rolls 39 are promptly not continuing to rotate in case joint gear 12 and No. two rotor rolls 39 joint completion back, realize that the frictional force between intermittent reduction bull stick 37 and the stripper plate 392 makes bull stick 37 continue to rotate and can not drive No. two rotor rolls 39 and continue to rotate according to the self-regulation of bracing piece 391 simultaneously, ensure that can not influence telescopic link 33 in work.
The pressing plates 392 are connected through an elastic rubber plate 393; after the second rotating roller 39 is fixed by the joint gear 12, the squeezing plates 392 are connected through the elastic rubber plates 393, namely, when the squeezing plates 392 intermittently slide outwards due to the change of friction force, the squeezing action of the support rod 391 on the squeezing plates 392 is prevented from being influenced to be reduced and the rotating rod 37 cannot be tightly embraced and move due to the pulling force of the elastic rubber plates 393, and long-time work is avoided.
The outer surface of the lower end of the rotating rod 37 is uniformly and fixedly provided with a rubber rod 371; the rubber rod 371 is semi-cylindrical, and the outer end of the rubber rod 371 is in friction contact with the inner wall of the extrusion plate 392; when relative friction motion occurs between the rotating rod 37 and the extrusion plate 392, the rubber rod 371 is uniformly and fixedly installed on the outer surface of the lower end of the rotating rod 37, the rubber rod 371 is semi-cylindrical, and the outer end of the rubber rod 371 is in friction contact with the inner wall of the extrusion plate 392, so that the contact area between the rotating rod 37 and the extrusion plate 392 is greatly reduced, but the friction force between the rotating rod 37 and the extrusion plate 392 is greatly increased, not only can the normal work of the second rotating roller 39 be ensured, but also the friction force between the rotating rod 37 and the extrusion plate 392 can be fully reduced, and the phenomenon that the lower end of the rotating rod 37 is abraded to drive the second rotating roller 39 to continue rotating is avoided.
The specific working process is as follows:
when the angles of the two LED display screens need to be adjusted, the rotating handle 36 can be rotated to adjust, when the rotating handle 36 is rotated, the rotating rod 37 at the lower end can be driven to rotate, namely, the rotating handle 36 can drive the first rotating roller 38 and the second rotating roller 39 at the lower end of the rotating rod 37 to rotate, when the rotating rod 37 rotates anticlockwise, the second rotating roller 39 can drive the first telescopic rod 33 to retract into the mounting frame 31 due to the reason of gear connection, meanwhile, the first rotating roller 38 drives the swinging rod 35 to move outwards, namely, the inner side radian between the first display 1 and the second display 2 is gradually increased, so that the first display 1 and the second display 2 can be infinitely parallel, and when the rotating handle 36 is rotated clockwise, the inner side radians of the first display 1 and the second display 2 are gradually reduced, therefore, the angle between the first display 1 and the second display 2 can be freely adjusted, therefore, the display angle of the display can be freely adjusted according to different numbers of people, people can watch the display more conveniently, when the first display 1 and the second display 2 are infinitely parallel, namely the inner ends of the first display 1 and the second display 2 are gradually close to and contacted, the inner ends of the first display 1 and the second display 2 are fixedly provided with the rubber block 11, the lower end of the rubber block 11 is hollow, so the inner ends of the first display 1 and the second display 2 are contacted with each other firstly before the contact, and the inner cavities are extruded mutually to provide an elastic acting force to prevent the inner ends of the first display 1 and the second display 2 from directly contacting and damaging the displays, when the inner cavities of the rubber blocks 11 of the first display 1 and the second display 2 are extruded mutually, the inner cavities of the rubber blocks 11 can input the air into the inner cavity of the third telescopic rod 13 when the pressure is overlarge, therefore, the third telescopic rod 13 moves upwards under the action of air pressure, namely, the clamping gear 12 is pushed to move upwards, and finally, the clamping gear 12 is clamped into the lower end wall of the second rotating roller 39, the second rotating roller 39 is fixed, the second rotating roller 39 cannot rotate continuously, namely, the first display 1 and the second display 2 cannot be extruded continuously when approaching to a certain degree, the first display 1 and the second display 2 are further protected, under the normal condition, the friction force between the rotating rod 37 and the extrusion plate 392 is large due to the supporting action of the supporting rod 391 and the extrusion plate 392, namely, the second rotating roller 39 can keep rotating continuously to adjust the first telescopic rod 33 when the clamping gear 12 is not clamped with the second rotating roller 39, and the second rotating roller 39 does not rotate continuously once the clamping gear 12 is clamped with the second rotating roller 39, meanwhile, the friction force between the rotating rod 37 and the extrusion plate 392 is discontinuously reduced according to the self-adjustment of the supporting rod 391, so that the rotating rod 37 continuously rotates and the second rotating roller 39 is not driven to continuously rotate, the first telescopic rod 33 is ensured not to be influenced in work, after the second rotating roller 39 is fixed by the clamping gear 12, the extrusion plates 392 are connected through the elastic rubber plate 393, namely, when the extrusion plate 392 intermittently slides outwards due to the change of the friction force, the excessive movement is avoided due to the pulling force of the elastic rubber plate 393, the phenomenon that the extrusion action of the supporting rod 391 on the extrusion plate 392 is influenced and reduced due to long-time work, the rotating rod 37 cannot be tightly clasped with the rotating rod 37 is avoided, when the relative friction movement occurs between the rotating rod 37 and the extrusion plate 392, the rubber rod 371 is uniformly and fixedly installed on the outer surface of the lower end of the rotating rod 37, the rubber rod 371 is semi-cylindrical, and the outer end of the rubber rod is in, therefore, the contact area between the rotating rod 37 and the extrusion plate 392 is greatly reduced, but the friction force between the rotating rod 37 and the extrusion plate 392 is greatly increased, so that the normal operation of the second rotating roller 39 can be ensured, meanwhile, the friction force between the rotating rod 37 and the extrusion plate 392 can be fully reduced, and the condition that the lower end of the rotating rod 37 is abraded to drive the second rotating roller 39 to continue rotating is avoided.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides a LED display screen frame arc concatenation locking structure, includes display (1), No. two displays (2) and concatenation latch mechanism (3), its characterized in that: the splicing lock mechanism (3) comprises a mounting frame (31), an adsorption sticker (32), a first telescopic rod (33), a second telescopic rod (34), a swinging rod (35), a rotating handle (36), a rotating rod (37), a first rotating roller (38) and a second rotating roller (39); the inner rear surface walls of the first display (1) and the second display (2) are fixedly connected with adsorption pastes (32); the outer end of the adsorption paste (32) is rotatably connected with a first expansion link (33); the two first telescopic rods (33) are connected through the mounting frame (31), the rear ends of the first telescopic rods (33) are fixedly mounted inside the mounting frame (31), the front ends of the first telescopic rods (33) penetrate through the front end wall of the mounting frame (31) in a sliding mode, and the inner wall of the first telescopic rod (33) at the left end is connected with the outer surface of the second rotating roller (39) through a gear; a rotating rod (37) is arranged at the inner end of the second rotating roller (39), and a first rotating roller (38) is arranged above the second rotating roller (39); the lower end of the rotating rod (37) is arranged in the mounting frame (31), the upper end of the rotating rod (37) is arranged above the mounting frame (31), and the upper end of the rotating rod (37) is fixedly provided with a rotating handle (36); the first rotating roller (38) is fixedly arranged on the outer side above the rotating rod (37), and the front end and the rear end of the first rotating roller (38) are rotatably connected with a swinging rod (35) through gears; the two swing rods (35) are arranged, the outer ends of the swing rods (35) are rotatably connected to the outer end adsorption stickers (32) of the first display (1) and the second display (2), and the inner ends of the swing rods (35) are hinged to a second telescopic rod (34); the second telescopic rod (34) is connected in the front wall and the rear wall above the inner part of the mounting frame (31) in a sliding mode.
2. The arc-shaped splicing lock structure of the LED display screen frame according to claim 1, wherein: the inner ends of the first display (1) and the second display (2) are fixedly provided with rubber blocks (11); the lower end of the rubber block (11) is hollow.
3. The arc-shaped splicing lock structure of the LED display screen frame according to claim 1, wherein: a clamping gear (12) is arranged below the second rotating roller (39); the upper end of the clamping gear (12) can be clamped into the lower end wall of the second rotating roller (39), and the lower end of the clamping gear (12) is fixedly installed at the upper end of the third telescopic rod (13); the lower end of the third telescopic rod (13) is fixedly mounted on the inner lower wall of the mounting frame (31), and the inner cavity of the third telescopic rod (13) is communicated with the inner cavity of the rubber block (11).
4. The arc-shaped splicing lock structure of the LED display screen frame according to claim 1, wherein: supporting rods (391) are uniformly arranged in the second rotating roller (39); the inner end of the supporting rod (391) is fixedly connected with an extrusion plate (392); four extrusion board (392) are provided with, and extrusion board (392) set up to the arc, and the laminating of the inner wall of extrusion board (392) is established in the surface of bull stick (37).
5. The arc-shaped splicing lock structure of the LED display screen frame according to claim 4, wherein: the pressing plates (392) are connected through an elastic rubber plate (393).
6. The arc-shaped splicing lock structure of the LED display screen frame according to claim 1, wherein: the outer surface of the lower end of the rotating rod (37) is uniformly and fixedly provided with rubber rods (371); the rubber rod (371) is semi-cylindrical, and the outer end of the rubber rod (371) is in friction contact with the inner wall of the extrusion plate (392).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704117.0A CN110397669B (en) | 2019-07-31 | 2019-07-31 | Arc-shaped splicing lock structure of LED display screen frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704117.0A CN110397669B (en) | 2019-07-31 | 2019-07-31 | Arc-shaped splicing lock structure of LED display screen frame |
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| Publication Number | Publication Date |
|---|---|
| CN110397669A CN110397669A (en) | 2019-11-01 |
| CN110397669B true CN110397669B (en) | 2020-09-04 |
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| CN201910704117.0A Active CN110397669B (en) | 2019-07-31 | 2019-07-31 | Arc-shaped splicing lock structure of LED display screen frame |
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|---|---|---|---|---|
| TWI728701B (en) * | 2020-02-15 | 2021-05-21 | 友達光電股份有限公司 | Tiled display |
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