CN112071216B - High-sealing outdoor LED display screen - Google Patents
High-sealing outdoor LED display screen Download PDFInfo
- Publication number
- CN112071216B CN112071216B CN202010907248.1A CN202010907248A CN112071216B CN 112071216 B CN112071216 B CN 112071216B CN 202010907248 A CN202010907248 A CN 202010907248A CN 112071216 B CN112071216 B CN 112071216B
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- Prior art keywords
- rod
- display screen
- led display
- outer box
- block
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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
- H05K5/06—Hermetically-sealed casings
- H05K5/065—Hermetically-sealed casings sealed by encapsulation, e.g. waterproof resin forming an integral casing, injection moulding
Abstract
The invention discloses a high-sealing outdoor LED display screen, which comprises an LED display screen, an outer box, a transparent protection plate, a base, a sealing gasket, a gland and a plurality of fixing mechanisms, wherein the transparent protection plate is adhered to the front surface of the outer box, the base is fixedly arranged at an opening at the bottom of the outer box through a plurality of screws, the LED display screen is arranged in the outer box, the bottom of the LED display screen is fixed on the base, the gland is fixedly arranged on the front surface of the outer box through the fixing mechanisms, the peripheral part of the sealing gasket is pressed between the gland and the outer box, and the inner peripheral part of the sealing gasket is pressed between the gland and the transparent protection plate. The outdoor LED display screen has excellent sealing performance and good waterproof effect, and the outdoor service life of the outdoor LED display screen is prolonged.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to a high-sealing outdoor LED display screen.
Background
The outdoor LED display screen is a commonly used display device, and is composed of a plurality of LED module panels, and the screen display content is changed through the red green lamp pearl of bright going out, has advantages such as the work consumption is little, the voltage demand is low, service life is often, anti external disturbance is strong. Because the outdoor environment that outdoor LED display screen used is comparatively abominable, therefore waterproof problem when outdoor LED display screen especially need pay attention to sleet weather, but the sealing performance of current outdoor LED display screen is relatively poor, makes into easily intaking in the LED display screen, causes the LED display screen short circuit to damage.
Disclosure of Invention
In view of the above, the present invention provides a highly sealed outdoor LED display screen to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high sealed outdoor LED display screen, includes the LED display screen, still includes outer container, transparent guard plate, base, sealed pad, gland and a plurality of fixed establishment, transparent guard plate bonds in the front of outer container, the base is adorned admittedly through a plurality of screw the opening part of outer container bottom, the LED display screen sets up in the outer container, just the bottom of LED display screen is fixed on the base, the gland passes through fixed establishment is adorned admittedly on the front of outer container, sealed peripheral part of filling up is in by the pressure equipment the gland with between the outer container, just sealed interior week portion of filling up is in by the pressure equipment the gland with between the transparent guard plate.
Furthermore, a plurality of inserting rod parts which are matched with the fixing mechanisms in a one-to-one correspondence mode are arranged on the back face of the gland, the fixing mechanisms are arranged in the first mounting holes in the outer box, and the inserting rod parts can penetrate through the inserting holes in the outer box and extend into the first mounting holes to be connected with the fixing mechanisms.
Further, fixed establishment includes wedge, push rod, pendulum rod, auxiliary rod and pressure head, the wedge slides and sets up in the first mounting hole, the end portion of inserted bar portion can support and press inclined plane on the wedge makes the wedge removes, the one end pin joint of push rod is in on the tail end of wedge, the other end pin joint of push rod is in on the free end of the first pole portion of pendulum rod, first pole portion with the junction pin joint of the second pole portion of pendulum rod is in the first mounting hole, the free end pin joint of second pole portion is in on the pressure head tail end, the one end pin joint of auxiliary rod is in the first mounting hole, the other end pin joint of auxiliary rod is in on the pressure head tail end, the auxiliary rod with the second pole portion is parallel, the pressure head can support and press on the inserted bar portion is global.
Furthermore, the fixing mechanism further comprises a connecting rod, a telescopic rod and a reset spring, one end of the connecting rod is pivoted on the push rod and the pivot shaft of the swing rod, the other end of the connecting rod is pivoted on the telescopic rod, the telescopic rod is arranged in the guide hole in the side wall of the first mounting hole in a telescopic mode, and the reset spring is arranged between the telescopic rod and the side wall of the first mounting hole.
Furthermore, the pressure head comprises a bottom block, a top block and a plurality of belleville springs, the top block is arranged on the front side of the bottom block, the belleville springs are arranged between the bottom block and the top block, and the front side face of the top block can be abutted against the peripheral face of the inserting rod part.
Furthermore, a friction pad is adhered to the front side surface of the top block.
Furthermore, the bottom block is provided with a pair of convex columns, the convex columns sequentially penetrate through the small-diameter hole and the large-diameter hole in the top block to be connected with a fixing ring, the diameter of the fixing ring is larger than the diameter of the small-diameter hole, and the butterfly spring is sleeved on the convex columns.
Furthermore, the outer end of the guide hole is communicated with a second annular groove on the outer box, and the protruding part on the sealing gasket is pressed in the second annular groove.
Further, still include a plurality of safety mechanism, safety mechanism includes slider, actuating lever, drive gear and rack, drive gear rotates to set up in the second mounting hole that corresponds on the outer container, the one end pin joint of actuating lever is in on the drive gear, the other end pin joint of actuating lever is in on the slider, screw threaded connection is in the switch-on hole on the outer container, just the tip of screw supports to press on the slider, the slider slides and sets up in the switch-on hole, the rack slides and sets up in the second mounting hole, just the rack with drive gear meshes mutually, the pin pole portion of rack tip can insert in the pinhole that corresponds on the base.
Furthermore, a rubber plug is plugged in the outer end part of the second mounting hole, and the inner end of the rubber plug abuts against the rack.
The technical scheme can show that the invention has the advantages that: this high sealed outdoor LED display screen establishes the outer container at the outside cover of LED display screen, can prevent effectively that sleet sky sleet is direct to fall on the LED display screen, transparent guard plate passes through sticky the installation that prevents on the outer container, can effectively avoid water to leak from the outside incasement of junction of transparent guard plate and outer container, on this basis, further add sealed pad and can effectively promote the junction leakproofness of transparent guard plate and outer container, and the life of the gluing agent of transparent guard plate and outer container junction is prolonged, thereby make this high sealed outdoor LED display screen possess excellent water-proof effects, the outdoor life of this high sealed outdoor LED display screen has been prolonged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic sectional view at a-a in fig. 1.
Fig. 3 is an enlarged view of fig. 2 at F.
Fig. 4 is an enlarged view of fig. 3 at H.
Fig. 5 is a schematic cross-sectional view of the indenter of the present invention.
Fig. 6 is an enlarged view at G in fig. 2.
List of reference numerals: the outer box 1, the first annular groove 11, the second annular groove 12, the insertion hole 13, the first mounting hole 14, the avoiding groove 141, the guide hole 15, the mounting groove 16, the via hole 17, the second mounting hole 18, the transparent protection plate 2, the LED display screen 3, the base 4, the bump portion 41, the through hole 411, the pin hole 42, the gasket 5, the protrusion 51, the gland 6, the pin portion 61, the fixing mechanism 7, the wedge 71, the inclined surface 711, the push rod 72, the swing rod 73, the first rod portion 731, the second rod portion 732, the auxiliary rod 74, the pressure head 75, the bottom 751, the boss 7511, the top 752, the small diameter hole 7521, the large diameter hole 7522, the belleville spring 753, the friction pad 754, the fixing ring 755, the connecting rod 76, the telescopic rod 77, the return spring 78, the packaging block 79, the screw 8, the safety mechanism 9, the slider 91, the driving rod 92, the driving gear 93, the rack 94, the pin rod portion 941, the rubber plug 95, and the fixing seat plate 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
As shown in fig. 1 and 2, the outdoor LED display screen with high sealing performance comprises an outer box 1, a transparent protection plate 2, an LED display screen 3, a base 4, a sealing gasket 5, a pressing cover 6 and a plurality of fixing mechanisms 7, wherein two fixing seat plates 10 are respectively installed on the left side and the right side of the outer box 1, the transparent protection plate 2 is bonded in a first annular groove 11 on the front surface of the outer box 1, the base 4 is fixedly installed at an opening at the bottom of the outer box 1 through a plurality of screws 8, the LED display screen 3 is arranged in the outer box 1, the bottom of the LED display screen 3 is fixed on the base 4, the pressing cover 6 is fixedly installed on the front surface of the outer box 1 through the plurality of fixing mechanisms 7, the peripheral part of the sealing gasket 5 is pressed between the pressing cover 6 and the outer box 1, and the inner peripheral part of the sealing gasket 5 is pressed between the pressing cover 6 and the transparent protection plate 2.
As shown in fig. 3 and 4, a plurality of insertion rod portions 61 are arranged on the back of the pressing cover 6, the plurality of insertion rod portions 61 are in one-to-one corresponding fit with a plurality of fixing mechanisms 7, the fixing mechanisms 7 are arranged in corresponding first mounting holes 14 on the outer box 1, a plurality of insertion holes 13 are arranged on the outer box 1, the insertion rod portions 61 of the pressing cover 6 can pass through the corresponding insertion holes 13 to be connected with the corresponding fixing mechanisms 7, the fixing mechanisms 7 comprise wedge blocks 71, push rods 72, swing rods 73, auxiliary rods 74, pressing heads 75, connecting rods 76, telescopic rods 77 and return springs 78, the wedge blocks 71 are arranged in the first mounting holes 14 in a vertical sliding manner, an avoiding groove 141 for inserting the front ends of the wedge blocks 71 is arranged at the tops of the first mounting holes 14, each swing rod 73 comprises a first rod portion 731 and a second rod portion 732 connected in a V shape, one end of each push rod 72 is pivoted to the tail end of the wedge block 71, the other end of each push rod 72 is pivoted to the free end of the first 731, the connection part of the first rod part 731 and the second rod part 732 is pivoted in the first mounting hole 14, the free end of the second rod part 732 is pivoted on the tail end of the pressure head 75, one end of the auxiliary rod 74 is pivoted in the first mounting hole 14, the other end of the auxiliary rod 74 is pivoted on the tail end of the pressure head 75, the auxiliary rod 74 and the second rod part 732 are arranged in parallel, one end of the connecting rod 76 is pivoted on the pivoting shaft of the push rod 72 and the swing rod 73, the other end of the connecting rod 76 is pivoted on the telescopic rod 77, the telescopic rod 77 is telescopically arranged in the guide hole 15 on the side wall of the first mounting hole 14, the return spring 78 is sleeved on the telescopic rod 77, the return spring 78 is positioned between the telescopic rod 77 and the side wall of the first mounting hole 14, at the end of the stroke that the inserting rod part 61 passes through the inserting hole 13 and extends into the first mounting hole 14, the end of the inserting rod part 61 presses the inclined plane 711 on the wedge-shaped block 71 to move the wedge-shaped block 71, and the swing rod 71 is driven by the push rod 72, the swing rod 73 drives the pressing head 75 to enable the pressing head 75 to approach the insertion rod part 61, and finally the pressing head 75 tightly presses against the peripheral surface of the insertion rod part 61, at the moment, the return spring 78 is compressed, and after the gland 6 is removed, the wedge block 71, the push rod 72, the swing rod 73, the auxiliary rod 74, the pressing head 75, the connecting rod 76 and the telescopic rod 77 reset under the action of the return spring 78, so that the gland 6 is conveniently mounted again.
In this embodiment, a sealing block 79 is disposed at the opening of the first mounting hole 14.
In this embodiment, the side wall of the first mounting hole 14 is provided with a guide sliding groove in sliding fit with the wedge block 71.
As shown in fig. 5, the pressing head 75 includes a bottom block 751 and a top block 752 disposed at the front side of the bottom block 751, a pair of protruding columns 7511 are symmetrically disposed on the front side of the bottom block 751, the protruding columns 7511 sequentially pass through corresponding small-diameter holes 7521 and large-diameter holes 7522 on the top block 752 to be connected with a fixing ring 755, the diameter of the fixing ring 755 is larger than the diameter of the small-diameter holes 7521, two belleville springs 753 are respectively sleeved on each protruding column 7511, the belleville springs 753 are disposed between the bottom block 751 and the top block 752, the arrangement of the belleville springs 753 enables the force of the pressing head 75 pressing the rod portion 61 to be adjustable, damage of the pressing head 75 or the rod portion 61 due to excessive pressing force is avoided, a friction pad 754 is bonded on the front side of the top block 752, the friction force between the pressing head 75 and the rod portion 61 can be effectively increased, and the reliability of connection of the rod portion 61 and the fixing mechanism 7 is improved.
As shown in fig. 3, the outer ends of the guide holes 15 communicate with the second annular groove 12 of the outer case 1, and the protrusions 51 of the packing 5 are press-fitted into the second annular groove 12, so that water can be prevented from permeating into the outer case 1 through the guide holes 15.
As shown in fig. 6, a plurality of protruding portions 41 are disposed on the bottom of the outer periphery of the base 4, after the base 4 is mounted in place, the protruding portions 41 of the base 4 are embedded in the corresponding mounting grooves 16 of the bottom of the outer box 1, and the screws 8 are threaded into the lower ends of the corresponding through holes 17 through the through holes 411 of the protruding portions 41.
In this embodiment, in order to avoid the potential safety hazard of shaking of the base 4 caused by the loosening of the screw 8, the highly sealed outdoor LED display screen further includes a plurality of safety mechanisms 9, each safety mechanism 9 includes a slider 91, a driving rod 92, a driving gear 93 and a rack 94, the driving gear 93 is rotatably disposed in the corresponding second mounting hole 18 on the outer box 1, one end of the driving rod 92 is pivotally connected to the driving gear 93, the other end of the driving rod 92 is pivotally connected to the slider 91, the slider 91 is slidably disposed in the via hole 17, the rack 94 is transversely slidably disposed in the second mounting hole 18, and the rack 94 is engaged with the driving gear 93, during the screwing process of the screw 8, the end of the screw 8 abuts against the slider 91, so that the slider 91 slides in the via hole 17, the slider 91 further drives the driving gear 93 to rotate through the driving rod 92, the driving gear 93 drives the rack 94 to move, so that the pin rod portion 941 at the end of the rack 94 is inserted into the corresponding pin hole 42 on the base 4, finally, a rubber plug 95 is inserted into the outer end of the second mounting hole 18, and the inner end of the rubber plug 95 abuts against the rack 94 to limit the movement of the rack 94.
As shown in fig. 1 and fig. 2, this high sealed outdoor LED display screen establishes outer container 1 at the outside cover of LED display screen 3, can prevent effectively that sleet day sleet is direct to fall on LED display screen 3, transparent guard plate 2 is installed on outer container 1 through sticky preventing, can effectively avoid water to leak in outer container 1 from the junction of transparent guard plate 2 and outer container 1, on this basis, further add sealed pad 5 and can effectively promote the junction leakproofness of transparent guard plate 2 and outer container 1, and the life of the gluing agent of extension transparent guard plate 2 and outer container 1 junction, thereby make this high sealed outdoor LED display screen possess excellent water-proof effects, the outdoor life of this high sealed outdoor LED display screen has been prolonged.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A high-sealing outdoor LED display screen comprises an LED display screen (3), it is characterized by also comprising an outer box (1), a transparent protection plate (2), a base (4), a sealing gasket (5), a gland (6) and a plurality of fixing mechanisms (7), the transparent protection plate (2) is adhered to the front surface of the outer box (1), the base (4) is fixedly arranged at an opening at the bottom of the outer box (1) through a plurality of screws (8), the LED display screen (3) is arranged in the outer box (1), and the bottom of the LED display screen (3) is fixed on the base (4), the gland (6) is fixedly arranged on the front surface of the outer box (1) through the fixing mechanism (7), the outer peripheral portion of the gasket (5) is press-fitted between the pressing cover (6) and the outer case (1), the inner peripheral part of the sealing gasket (5) is pressed between the gland (6) and the transparent protection plate (2); the back surface of the gland (6) is provided with a plurality of inserting rod parts (61) which are matched with the fixing mechanisms (7) in a one-to-one correspondence mode, the fixing mechanisms (7) are arranged in first mounting holes (14) in the outer box (1), and the inserting rod parts (61) can penetrate through inserting holes (13) in the outer box (1) and extend into the first mounting holes (14) to be connected with the fixing mechanisms (7); the fixing mechanism (7) comprises a wedge block (71), a push rod (72), a swing rod (73), an auxiliary rod (74) and a pressure head (75), the wedge block (71) is arranged in the first mounting hole (14) in a sliding mode, the end part of the plug rod part (61) can press an inclined surface (711) on the wedge block (71) to enable the wedge block (71) to move, one end of the push rod (72) is pivoted on the tail end of the wedge block (71), the other end of the push rod (72) is pivoted on the free end of a first rod part (731) of the swing rod (73), the connecting part of the first rod part (731) and a second rod part (732) of the swing rod (73) is pivoted in the first mounting hole (14), the free end of the second rod part (732) is pivoted on the tail end of the pressure head (75), one end of the auxiliary rod (74) is pivoted in the first mounting hole (14), the other end of the auxiliary rod (74) is pivoted on the tail end of the pressure head (75), the auxiliary rod (74) is parallel to the second rod part (732), and the pressure head (75) can be pressed against the peripheral surface of the inserted rod part (61); the fixing mechanism (7) further comprises a connecting rod (76), a telescopic rod (77) and a return spring (78), one end of the connecting rod (76) is pivoted on a pivoting shaft of the push rod (72) and the swinging rod (73), the other end of the connecting rod (76) is pivoted on the telescopic rod (77), the telescopic rod (77) is telescopically arranged in a guide hole (15) in the side wall of the first mounting hole (14), and the return spring (78) is arranged between the telescopic rod (77) and the side wall of the first mounting hole (14); the pressing head (75) comprises a bottom block (751), a top block (752) and a plurality of belleville springs (753), wherein the top block (752) is arranged on the front side of the bottom block (751), the belleville springs (753) are arranged between the bottom block (751) and the top block (752), and the front side surface of the top block (752) can be pressed against the peripheral surface of the inserted rod part (61); the bottom block (751) is provided with a pair of convex columns (7511), the convex columns (7511) sequentially penetrate through small-diameter holes (7521) and large-diameter holes (7522) on the top block (752) to be connected with a fixing ring (755), the diameter of the fixing ring (755) is larger than the diameter of the small-diameter holes (7521), and the butterfly spring (753) is sleeved on the convex columns (7511); the outer end of the guide hole (15) is communicated with a second annular groove (12) on the outer box (1), and a protruding part (51) on the sealing gasket (5) is pressed in the second annular groove (12).
2. The highly sealed outdoor LED display screen of claim 1, characterized in that a friction pad (754) is adhered to the front side of the top block (752).
3. The high-sealing outdoor LED display screen according to claim 1, further comprising a plurality of safety mechanisms (9), wherein each safety mechanism (9) comprises a sliding block (91), a driving rod (92), a driving gear (93) and a rack (94), the driving gear (93) is rotatably disposed in a corresponding second mounting hole (18) of the outer box (1), one end of the driving rod (92) is pivotally connected to the driving gear (93), the other end of the driving rod (92) is pivotally connected to the sliding block (91), the screw (8) is threadedly connected to a through hole (17) of the outer box (1), the end of the screw (8) is pressed against the sliding block (91), the sliding block (91) is slidably disposed in the through hole (17), and the rack (94) is slidably disposed in the second mounting hole (18), and the rack (94) is meshed with the driving gear (93), and a pin rod part (941) at the end part of the rack (94) can be inserted into a corresponding pin hole (42) on the base (4).
4. A highly sealed outdoor LED display screen according to claim 3, wherein the outer end of the second mounting hole (18) is internally plugged with a rubber plug (95), and the inner end of the rubber plug (95) abuts against the rack (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010907248.1A CN112071216B (en) | 2020-09-02 | 2020-09-02 | High-sealing outdoor LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010907248.1A CN112071216B (en) | 2020-09-02 | 2020-09-02 | High-sealing outdoor LED display screen |
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| CN112071216A CN112071216A (en) | 2020-12-11 |
| CN112071216B true CN112071216B (en) | 2022-03-22 |
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| CN112071216A (en) | 2020-12-11 |
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