CN114530107B - LED display screen with screen protection cover - Google Patents
LED display screen with screen protection cover Download PDFInfo
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- CN114530107B CN114530107B CN202210424716.9A CN202210424716A CN114530107B CN 114530107 B CN114530107 B CN 114530107B CN 202210424716 A CN202210424716 A CN 202210424716A CN 114530107 B CN114530107 B CN 114530107B
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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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Microelectronics & Electronic Packaging (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses an LED display screen with a screen protection cover, which comprises an LED display screen, wherein a shell is arranged outside the LED display screen, a protection cover is arranged outside the shell, first holding grooves are formed in the two ends of the protection cover, first through holes are formed in one sides of the first holding grooves, winding columns are rotatably connected inside the first holding grooves through torsional springs, positioning cloth is wound on the outer walls of the winding columns, one ends of the positioning cloth extend to the outside of the protection cover through the first through holes, clamping plates are fixedly connected to one ends of the positioning cloth located outside the protection cover, positioning grooves are formed in the two ends of the shell, fixing mechanisms are arranged inside the positioning grooves, clamping grooves are formed in the outer wall of the top of the shell and matched with the protection cover, and guide rollers are arranged outside the positioning grooves. The protective cover can be fixed outside the LED display screen in an easy and convenient manner, the LED display screen is protected, the protective cover is convenient to disassemble and clean or replace, and the working efficiency during maintenance is greatly improved.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to an LED display screen with a screen protection cover.
Background
The LED display screen is an electronic display screen formed by LED dot matrix, and can change the display content form of screen, such as characters, animation, pictures and videos, and can control the display of components by modular structure. Mainly comprises a display module, a control system and a power supply system.
The LED screen can realize the conversion between the different forms of multiple information presentation mode to can all use at indoor, outdoor, and the LED display screen is in the use, in order to prevent that the outside from causing the damage to the LED display screen, can set up the safety cover in its outside, and the safety cover is generally through the mode of pasting when the installation at present, and this kind of mode leads to the insecure stability that the safety cover is fixed, and when needs clear up or change the safety cover, because paste gluey effect and lead to the secondary to paste the effect poor.
In view of the above, the present invention provides an LED display screen with a screen protection cover to solve the above problems in the prior art.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an LED display screen with a screen protection cover.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a LED display screen with screen safety cover, includes the LED display screen, LED display screen outside is equipped with the shell, and the shell outside is equipped with the safety cover, holding tank one has all been opened at the safety cover both ends, and holding tank one side has all opened opening one, inside all is connected with the winding post through the torsional spring rotation of holding tank one, and the winding of winding post outer wall has the location cloth, location cloth one end extends to the safety cover outside through opening one, and is located the outside location cloth one end fixedly connected with cardboard of safety cover, the constant head tank has all been opened at the shell both ends, and the inside fixed establishment that all is equipped with of constant head tank, shell top outer wall is opened there is the draw-in groove, and the draw-in groove cooperatees with the safety cover, the constant head tank outside all is equipped with the guide roll.
Further, fixed establishment includes two-way threaded rod, two-way threaded rod rotates to be connected in the constant head tank inner wall, and two-way threaded rod top is equipped with the knob, and the knob outer wall is equipped with anti-skidding line.
Furtherly, the equal threaded connection in two-way threaded rod both ends outer wall has the thread sliding block, and thread sliding block one side outer wall all articulates there is the connecting rod, and connecting rod one end all articulates there is same locating plate.
Furtherly, locating plate outer wall fixedly connected with fixed plate, and the outer wall of fixed plate both sides all is equipped with the threaded rod, and two threaded rod outer wall threaded connection have same L template.
Further, every the constant head tank both sides are all opened there is the arc wall, and the inside sliding connection of arc wall has cowl, and cowl one side outer wall fixedly connected with a plurality of connecting spring three, three one end fixed connection of a plurality of connecting spring in arc wall inner wall.
Furthermore, shell top outer wall rotates and is connected with two stripper plates, and is equipped with between the stripper plate and connects spring one, and stripper plate one side outer wall all is equipped with stirs the post, stirs post bottom outer wall fixed connection in cowl top outer wall.
Further, open the arc holding tank in the arc groove top, and the equal sliding connection in arc holding tank both ends has sealed arc, sealed arc one end respectively with stir post outer wall fixed connection.
Further, draw-in groove one side is equipped with holding tank two, and two top one sides of holding tank open and have opening two, and opening two below is equipped with the leading wheel, and two tops of opening are equipped with and draw the handle, draw bottom outer wall fixedly connected with haulage rope.
Further, haulage rope one end extends to inside two holding tanks under the guide effect of leading wheel, and two inside sliding connection of holding tank have the baffle, and the haulage rope one end fixed connection that is located two holding tanks is equipped with a plurality of connecting spring two in baffle and the holding tank between two in baffle and the holding tank outer wall of one side.
The invention has the beneficial effects that:
in the invention, when the protective cover is installed on the LED display screen in the shell, the extending part at the top end of the protective cover is clamped into the clamping groove at the top of the shell, then the fixing mechanism in the positioning groove moves, namely the knob is rotated to rotate the bidirectional threaded rod in the fixing mechanism, so that the threaded sliders on the outer walls at two ends of the bidirectional threaded rod are close to each other, the positioning plate at one end of the connecting rod is extended out of the positioning groove through the connecting rod hinged to the outer wall of the threaded slider, then the threaded rod in the fixing plate on the positioning plate is rotated to enable the L-shaped plate on the threaded rod to be far away from the fixing plate, then the clamping plates at two sides of the protective cover are respectively placed into the gaps between the L-shaped plate and the fixing plate, the positioning cloth on the clamping plate is contacted with the outer wall of the guide roller, then the threaded rod is rotated reversely, so that the positioning cloth on the clamping plate can be clamped, then the knob is rotated reversely to enable the bidirectional threaded rod to reversely rotate, so that the positioning plate can enter the positioning cloth into the positioning groove, the location cloth breaks away from the winding post under the effect of pulling force this moment, and is straight until the location cloth is stretched to can fix the safety cover in the LED display screen outside, play the guard action to the LED display screen, and convenient to detach safety cover clears up or changes it, promotes the work efficiency when maintaining greatly.
Drawings
FIG. 1 is a schematic diagram of an LED display screen with a screen protection cover;
FIG. 2 is a schematic diagram of a side view of a protective cover of an LED display screen with a screen protective cover;
FIG. 3 is a schematic view of a partial cross-sectional view of a protective cover of an LED display screen with a screen protective cover;
FIG. 4 is a schematic diagram of a housing structure of an LED display screen with a screen protection cover;
FIG. 5 is an enlarged view of the structure at A of an LED display screen with a screen protection cover;
FIG. 6 is a schematic sectional view of an LED display screen with a screen protection cover at A;
FIG. 7 is an enlarged view of the structure at B of an LED display screen with a screen protection cover;
FIG. 8 is a schematic cross-sectional view of an installation groove of an LED display screen with a screen protection cover;
FIG. 9 is a schematic view of an internal structure of a mounting groove of an LED display screen with a screen protection cover.
In the figure: 1-shell, 2-protective cover, 3-clamping plate, 4-positioning cloth, 5-opening I, 6-accommodating groove I, 7-winding column, 8-LED display screen, 9-clamping groove, 10-guide roller, 11-positioning groove, 12-arc groove, 13-extrusion plate, 14-knob, 15-connecting spring I, 16-toggle column, 17-sealing arc plate, 18-arc accommodating groove, 19-baffle plate, 20-accommodating groove II, 21-opening II, 22-pull handle, 23-guide wheel, 24-pull rope, 25-connecting spring II, 26-arc baffle plate, 27-connecting spring III, 28-threaded rod, 29-L-shaped plate, 30-fixing plate, 31-threaded slider, 5-opening I, 6-accommodating groove I, 7-winding column, 8-LED display screen, 9-clamping groove, 10-guide roller, 11-positioning groove, 12-arc groove, 13-extrusion plate, 14-knob, 15-connecting spring I, 16-toggle column, 17-sealing arc plate, 18-arc accommodating groove, 19-baffle plate, 21-opening II, 22-pull handle, 23-guide wheel, 24-pull rope, 25-connecting spring II, 26-arc baffle plate, 27-connecting spring III, 28-threaded rod, 29-L-shaped plate, 30-fixing plate, 31-threaded slider, and 3-threaded slider, 32-connecting rod, 33-bidirectional threaded rod and 34-positioning plate.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Example 1
Referring to fig. 1-5, 8 and 9, an LED display screen with a screen protecting cover comprises an LED display screen 8, a housing 1 is arranged outside the LED display screen 8, a protecting cover 2 is arranged outside the housing 1, a first holding groove 6 is arranged at both ends of the protecting cover 2, a first through hole 5 is arranged at one side of the first holding groove 6, the first holding groove 6 is rotatably connected with a winding post 7 through a torsion spring, a positioning cloth 4 is wound on the outer wall of the winding post 7, one end of the positioning cloth 4 extends to the outside of the protecting cover 2 through the first through hole 5, a clamping plate 3 is fixedly connected with one end of the positioning cloth 4 positioned outside the protecting cover 2, positioning grooves 11 are arranged at both ends of the housing 1, a fixing mechanism is arranged inside the positioning grooves 11, a clamping groove 9 is arranged on the outer wall at the top of the housing 1, the clamping groove 9 is matched with the protecting cover 2, guide rollers 10 are arranged outside the positioning grooves 11, and can simply and conveniently fix the protecting cover 2 outside the LED display screen 8, play the guard action to LED display screen 8 to convenient to detach safety cover 2 clears up or changes it, promotes the work efficiency when maintaining greatly.
As a further scheme of the present invention, the fixing mechanism includes a bidirectional threaded rod 33, the bidirectional threaded rod 33 is rotatably connected to the inner wall of the positioning groove 11, the top of the bidirectional threaded rod 33 is provided with a knob 14, the outer wall of the knob 14 is provided with anti-slip threads, and the knob 14 on the top of the housing 1 is rotated to rotate the bidirectional threaded rod 33 in the fixing mechanism.
As a further scheme in the present invention, the outer walls of both ends of the bidirectional threaded rod 33 are both connected with the threaded sliding blocks 31 through threads, the outer wall of one side of each threaded sliding block 31 is hinged with the connecting rod 32, and one end of each connecting rod 32 is hinged with the same positioning plate 34, so that the threaded sliding blocks 31 on the outer walls of both ends of the bidirectional threaded rod 33 can be close to each other, and the positioning plate 34 at one end of each connecting rod 32 can extend out of the positioning groove 11 through the connecting rod 32 hinged to the outer wall of each threaded sliding block 31.
As a further scheme of the invention, the outer wall of the positioning plate 34 is fixedly connected with a fixed plate 30, the outer walls of two sides of the fixed plate 30 are respectively provided with a threaded rod 28, the outer walls of the two threaded rods 28 are in threaded connection with the same L-shaped plate 29, then the threaded rod 28 in the fixed plate 30 on the positioning plate 34 is rotated to enable the L-shaped plate 29 on the threaded rod 28 to be far away from the fixed plate 30, then the clamping plates 3 on two sides of the protective cover 2 are respectively placed in a gap between the L-shaped plate 29 and the fixed plate 30, the positioning cloth 4 on the clamping plate 3 is contacted with the outer wall of the guide roller 10, then the threaded rod 28 is rotated in the reverse direction to enable the L-shaped plate 29 to be close to the fixed plate 30 until the positioning cloth 4 on the clamping plate 3 can be clamped, then the knob 14 is rotated in the reverse direction to enable the two-way threaded rod 33, so that the positioning plate 34 can bring the positioning cloth 4 into the positioning groove 11, at the moment, the positioning cloth 4 is separated from the winding column 7 in the holding groove 6 on two sides of the protective cover 2 under the action of tension, until the positioning cloth 4 is stretched straight, the protective cover 2 can be fixed outside the LED display screen 8.
The working principle is as follows: in the invention, when the protective cover 2 is installed on the LED display screen 8 in the shell 1, the top end extending part of the protective cover 2 is clamped into the clamping groove 9 at the top of the shell 1, then the fixing mechanism in the positioning groove 11 is moved, namely the knob 14 on the top of the shell 1 is rotated, the two-way threaded rod 33 in the fixing mechanism is rotated, so that the threaded sliders 31 on the outer walls at two ends of the two-way threaded rod 33 are close to each other, the positioning plate 34 at one end of the connecting rod 32 extends out of the positioning groove 11 through the connecting rod 32 hinged with the outer wall of the threaded slider 31, then the threaded rod 28 in the fixing plate 30 on the positioning plate 34 is rotated, the L-shaped plate 29 on the threaded rod 28 is far away from the fixing plate 30, then the clamping plates 3 at two sides of the protective cover 2 are respectively placed in the gap between the L-shaped plate 29 and the fixing plate 30, the positioning cloth 4 on the clamping plate 3 is contacted with the outer wall of the guide roller 10, then the threaded rod 28 is rotated reversely, thereby make L template 29 be close to fixed plate 30, until can be with the 4 centre grippings of location cloth on the cardboard 3, after that reverse rotation knob 14 makes two-way threaded rod 33 reverse rotation, thereby locating plate 34 can take location cloth 4 to enter into in the constant head tank 11, location cloth 4 breaks away from on the winding post 7 in 2 both sides holding tank 6 of safety cover under the effect of pulling force this moment, until location cloth 4 is stretched straightly, thereby can fix safety cover 2 in LED display screen 8 outsidely, play the guard action to LED display screen 8, and convenient to detach safety cover 2, clear up or change it, work efficiency when promoting the maintenance greatly.
Example 2
Referring to fig. 1-6, fig. 8 and fig. 9, a LED display screen with screen protection cover, including LED display screen 8, 8 outsides of LED display screen are equipped with shell 1, and 1 outsides of shell are equipped with safety cover 2, 2 both ends of safety cover all opened holding tank 6, and 6 one side of holding tank all opened opening 5, 6 insides of holding tank all rotate through the torsional spring and are connected with winding post 7, and the winding of 7 outer walls of winding post have location cloth 4, 4 one end of location cloth extends to 2 outsides of safety cover through opening 5, and be located 2 outside location cloth 4 one end fixedly connected with cardboard 3 of safety cover, 1 both ends of shell all opened constant head tank 11, and constant head tank 11 inside all is equipped with fixed establishment, 1 top outer wall of shell is opened there is draw-in groove 9, and draw-in groove 9 cooperatees with safety cover 2, constant head tank 11 outside all is equipped with guide roll 10.
As a further scheme of the invention, the fixing mechanism comprises a bidirectional threaded rod 33, the bidirectional threaded rod 33 is rotatably connected to the inner wall of the positioning groove 11, the top of the bidirectional threaded rod 33 is provided with a knob 14, and the outer wall of the knob 14 is provided with anti-skid grains.
As a further scheme in the invention, the outer walls of two ends of the bidirectional threaded rod 33 are both in threaded connection with threaded sliders 31, the outer wall of one side of each threaded slider 31 is hinged with a connecting rod 32, and one end of each connecting rod 32 is hinged with the same positioning plate 34.
As a further proposal in the invention, the outer wall of the positioning plate 34 is fixedly connected with a fixed plate 30, the outer walls of two sides of the fixed plate 30 are both provided with threaded rods 28, and the outer walls of the two threaded rods 28 are in threaded connection with the same L-shaped plate 29.
As a further scheme of the present invention, both sides of each positioning groove 11 are provided with arc-shaped grooves 12, an arc-shaped baffle 26 is slidably connected inside each arc-shaped groove 12, an outer wall of one side of each arc-shaped baffle 26 is fixedly connected with a plurality of connecting springs iii 27, and one end of each connecting spring iii 27 is fixedly connected to an inner wall of each arc-shaped groove 12, when the protection cover 2 needs to be fixed, a worker uses fingers to dial the two squeezing plates 13, so that an included angle between the two squeezing plates 13 is increased.
As a further scheme of the invention, the outer wall of the top of the shell 1 is rotationally connected with two extrusion plates 13, a first connecting spring 15 is arranged between the extrusion plates 13, the outer wall of one side of each extrusion plate 13 is provided with a toggle column 16, the outer wall of the bottom of the toggle column 16 is fixedly connected with the outer wall of the top of the arc-shaped baffle 26, in the process, the extrusion plates 13 apply force to the toggle columns 16 on the arc-shaped baffle 26 in the arc-shaped groove 12, so that the arc-shaped baffle 26 compresses the third connecting spring 27 and retracts into the arc-shaped groove 12, the fixing mechanism can extend out of the positioning groove 11, when the fixing mechanism finishes the retraction into the positioning groove 11, under the action of the first connecting spring 15 and the third connecting spring 27, the extrusion plates 13 and the arc-shaped baffle 26 are reset, the arc-shaped baffle 26 can seal the positioning groove 11, solid particles such as garbage impurities and the like can be prevented from entering the positioning groove 11 and attaching to the bidirectional threaded rod 33 and the threaded rod 28, causing a stuck condition.
As a further scheme in the present invention, an arc-shaped receiving groove 18 is formed above the arc-shaped groove 12, and two ends of the arc-shaped receiving groove 18 are both connected with a sealing arc-shaped plate 17 in a sliding manner, one end of the sealing arc-shaped plate 17 is respectively fixedly connected with the outer wall of the toggle column 16, and in the process of moving the toggle column 16, the sealing arc-shaped plate 17 in the arc-shaped receiving groove 18 can be driven to move, so that the top of the arc-shaped groove 12 can be sealed and protected, and the dust and other impurity garbage can be prevented from entering the arc-shaped groove 12.
The working principle is as follows: in the invention, by arranging the squeezing plates 13, when the protective cover 2 needs to be fixed, in the process of extending out the fixing mechanism in the positioning groove 11, a worker dials the two squeezing plates 13 with fingers to increase the included angle between the two squeezing plates 13, in the process, the extrusion plate 13 applies force to the toggle column 16 on the arc baffle 26 in the arc-shaped groove 12, so that the arc-shaped baffle 26 compresses the third connecting spring 27 and retracts into the arc-shaped groove 12, thereby enabling the fixing mechanism to extend out of the positioning groove 11, and when the fixing mechanism finishes the fixing and retracts into the positioning groove 11, under the effect of connecting spring 15 and connecting spring three 27, make stripper plate 13 and cowl 26 reset, cowl 26 can be sealed with constant head tank 11, can avoid solid particles such as rubbish impurity to enter into constant head tank 11 and on adhering to two-way threaded rod 33 and threaded rod 28, cause the dead condition of card.
Example 3
Referring to fig. 1-9, a LED display screen with screen safety cover, including LED display screen 8, LED display screen 8 outside is equipped with shell 1, and shell 1 outside is equipped with safety cover 2, holding tank 6 has all been opened at safety cover 2 both ends, and holding tank 6 one side has all opened opening one 5, holding tank 6 is inside all is connected with winding post 7 through the torsional spring rotation, and the winding of winding post 7 outer wall has location cloth 4, 4 one end of location cloth extends to 2 outsides of safety cover through opening one 5, and be located 4 one end fixedly connected with cardboards 3 of location cloth of 2 outsides of safety cover, shell 1 both ends have all opened constant head tank 11, and constant head tank 11 inside all is equipped with fixed establishment, shell 1 top outer wall is opened there is draw-in groove 9, and draw-in groove 9 and safety cover 2 cooperate, constant head tank 11 outside all is equipped with guide roll 10.
As a further scheme of the invention, the fixing mechanism comprises a bidirectional threaded rod 33, the bidirectional threaded rod 33 is rotatably connected to the inner wall of the positioning groove 11, the top of the bidirectional threaded rod 33 is provided with a knob 14, and the outer wall of the knob 14 is provided with anti-skid grains.
As a further scheme in the invention, the outer walls of two ends of the bidirectional threaded rod 33 are both in threaded connection with threaded sliders 31, the outer wall of one side of each threaded slider 31 is hinged with a connecting rod 32, and one end of each connecting rod 32 is hinged with the same positioning plate 34.
As a further proposal in the invention, the outer wall of the positioning plate 34 is fixedly connected with a fixed plate 30, the outer walls of two sides of the fixed plate 30 are both provided with threaded rods 28, and the outer walls of the two threaded rods 28 are in threaded connection with the same L-shaped plate 29.
As a further scheme of the present invention, arc-shaped grooves 12 are formed on both sides of each positioning groove 11, an arc-shaped baffle 26 is slidably connected inside the arc-shaped groove 12, a plurality of connecting springs iii 27 are fixedly connected to an outer wall of one side of the arc-shaped baffle 26, and one end of each connecting spring iii 27 is fixedly connected to an inner wall of the arc-shaped groove 12.
As a further scheme of the invention, the outer wall of the top of the shell 1 is rotatably connected with two extrusion plates 13, a first connecting spring 15 is arranged between the extrusion plates 13, the outer wall of one side of each extrusion plate 13 is provided with a toggle column 16, and the outer wall of the bottom of the toggle column 16 is fixedly connected with the outer wall of the top of the arc-shaped baffle 26.
As a further scheme of the present invention, an arc-shaped receiving groove 18 is formed above the arc-shaped groove 12, two ends of the arc-shaped receiving groove 18 are both slidably connected with a sealing arc-shaped plate 17, and one end of the sealing arc-shaped plate 17 is respectively contacted with the outer wall of the toggle column 16.
As a further scheme of the invention, one side of the clamping groove 9 is provided with a second accommodating groove 20, one side of the top of the second accommodating groove 20 is provided with a second through opening 21, a guide wheel 23 is arranged below the second through opening 21, a pull handle 22 is arranged above the second through opening 21, the outer wall of the bottom of the pull handle 22 is fixedly connected with a traction rope 24, and when the extending part of the top end of the protective cover 2 needs to be clamped into the clamping groove 9 at the top of the shell 1, a worker pulls the pull handle 22 at the top of the shell 1 to enable the pull handle 22 to move upwards.
As a still further scheme of the present invention, one end of the traction rope 24 extends to the inside of the accommodating groove 20 under the guiding action of the guide wheel 23, a baffle plate 19 is connected in the second accommodating groove 20 in a sliding manner, one end of a pulling rope 24 positioned in the second accommodating groove 20 is fixedly connected with the outer wall of one side of the baffle plate 19, a plurality of second connecting springs 25 are arranged between the baffle plate 19 and the second accommodating groove 20, in the process, the pull handle 22 applies force to the baffle 19 through the traction rope 24 under the guiding action of the guide wheel 23, so that the baffle is compressed by the second connecting spring 25 and moves to the second through opening 21, thereby opening the clamping groove 9, facilitating the clamping of the extending part at the top end of the protective cover 2 into the clamping groove 9, loosening the pull handle 22 after the clamping, under the effect of connecting spring two 25 to baffle 19 resets, can block draw-in groove 9, avoids safety cover 2 to appear rocking, further promotes the stability when safety cover 2 is fixed.
The working principle is as follows: in the invention, when the extending part at the top end of the protective cover 2 needs to be clamped into the clamping groove 9 at the top of the shell 1, a worker pulls the pull handle 22 at the top of the shell 1 to enable the pull handle 22 to move upwards, in the process, the pull handle 22 applies force to the baffle 19 through the traction rope 24 under the guiding action of the guide wheel 23 to enable the baffle 19 to compress the connecting spring II 25 to move towards the through opening II 21, so that the clamping groove 9 can be opened, the extending part at the top end of the protective cover 2 is conveniently clamped into the clamping groove 9, after the baffle is clamped, the pull handle 22 is loosened, and under the action of the connecting spring II 25, the baffle 19 resets, the clamping groove 9 can be clamped, the protective cover 2 is prevented from shaking, and the stability of the protective cover 2 in fixing is further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A light-emitting diode (LED) display screen with a screen protection cover comprises an LED display screen (8), wherein a shell (1) is arranged outside the LED display screen (8), and a protection cover (2) is arranged outside the shell (1), and is characterized in that a first accommodating groove (6) is formed at both ends of the protection cover (2), a first through hole (5) is formed in one side of the first accommodating groove (6), a winding column (7) is rotatably connected inside the first accommodating groove (6) through a torsion spring, positioning cloth (4) is wound on the outer wall of the winding column (7), one end of the positioning cloth (4) extends to the outside of the protection cover (2) through the first through hole (5), a clamping plate (3) is fixedly connected to one end of the positioning cloth (4) positioned outside the protection cover (2), positioning grooves (11) are formed at both ends of the shell (1), a fixing mechanism is arranged inside the positioning grooves (11), and a clamping groove (9) is formed in the outer wall of the top of the shell (1), the clamping groove (9) is matched with the protective cover (2), and guide rollers (10) are arranged outside the positioning grooves (11);
the fixing mechanism comprises a bidirectional threaded rod (33), the bidirectional threaded rod (33) is rotatably connected to the inner wall of the positioning groove (11), a knob (14) is arranged at the top of the bidirectional threaded rod (33), and anti-skid grains are arranged on the outer wall of the knob (14);
the outer walls of two ends of the bidirectional threaded rod (33) are both in threaded connection with threaded sliding blocks (31), the outer wall of one side of each threaded sliding block (31) is hinged with a connecting rod (32), and one end of each connecting rod (32) is hinged with the same positioning plate (34);
locating plate (34) outer wall fixedly connected with fixed plate (30), and fixed plate (30) both sides outer wall all is equipped with threaded rod (28), and two threaded rod (28) outer wall threaded connection have same L template (29).
2. The LED display screen with the screen protection cover according to claim 1, wherein an arc-shaped groove (12) is formed in each positioning groove (11) at both sides, an arc-shaped baffle (26) is slidably connected inside the arc-shaped groove (12), a plurality of connecting springs III (27) are fixedly connected to the outer wall of one side of the arc-shaped baffle (26), and one ends of the connecting springs III (27) are fixedly connected to the inner wall of the arc-shaped groove (12).
3. The LED display screen with the screen protection cover is characterized in that two extrusion plates (13) are rotatably connected to the outer wall of the top of the shell (1), a first connecting spring (15) is arranged between the extrusion plates (13), toggle columns (16) are arranged on the outer wall of one side of each extrusion plate (13), and the outer walls of the bottoms of the toggle columns (16) are fixedly connected to the outer wall of the top of the arc-shaped baffle plate (26).
4. The LED display screen with the screen protection cover according to claim 3, wherein an arc-shaped accommodating groove (18) is formed above the arc-shaped groove (12), sealing arc-shaped plates (17) are slidably connected to two ends of the arc-shaped accommodating groove (18), and one ends of the sealing arc-shaped plates (17) are respectively fixedly connected with the outer wall of the toggle column (16).
5. The LED display screen with the screen protection cover as claimed in claim 1, wherein one side of the clamping groove (9) is provided with a second accommodating groove (20), one side of the top of the second accommodating groove (20) is provided with a second opening (21), a guide wheel (23) is arranged below the second opening (21), a pull handle (22) is arranged above the second opening (21), and the outer wall of the bottom of the pull handle (22) is fixedly connected with a traction rope (24).
6. The LED display screen with the screen protection cover as claimed in claim 5, wherein one end of the pulling rope (24) extends to the inside of the second accommodating groove (20) under the guiding action of the guide wheel (23), the inside of the second accommodating groove (20) is slidably connected with the baffle plate (19), one end of the pulling rope (24) located in the second accommodating groove (20) is fixedly connected to the outer wall of one side of the baffle plate (19), and a plurality of second connecting springs (25) are arranged between the baffle plate (19) and the second accommodating groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210424716.9A CN114530107B (en) | 2022-04-22 | 2022-04-22 | LED display screen with screen protection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210424716.9A CN114530107B (en) | 2022-04-22 | 2022-04-22 | LED display screen with screen protection cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114530107A CN114530107A (en) | 2022-05-24 |
| CN114530107B true CN114530107B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210424716.9A Active CN114530107B (en) | 2022-04-22 | 2022-04-22 | LED display screen with screen protection cover |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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