CN111963856A - High-refresh high-gray-scale small-space spliced LED display screen - Google Patents
High-refresh high-gray-scale small-space spliced LED display screen Download PDFInfo
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- CN111963856A CN111963856A CN202010778575.1A CN202010778575A CN111963856A CN 111963856 A CN111963856 A CN 111963856A CN 202010778575 A CN202010778575 A CN 202010778575A CN 111963856 A CN111963856 A CN 111963856A
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- 239000000945 filler Substances 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000035939 shock Effects 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007943 implant Substances 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a high-refresh high-gray scale small-space spliced LED display screen, which comprises a bottom plate, a supporting cylinder is fixedly arranged on the surface of one side of the bottom plate, a supporting rod is slidably arranged on the side surface of the supporting cylinder, the other end of the supporting cylinder is in threaded connection with a locking screw, one end of the locking screw is tightly propped against the surface of the supporting rod, the other end of the supporting rod is fixedly connected with a transverse cylinder, the side surface of the transverse cylinder is provided with a positioning groove, a round bar is rotatably arranged on the side surface of the transverse cylinder, a display screen is fixedly arranged at one end of the round bar, the surface of the round rod is fixedly connected with a positioning ball head, the surface of the positioning ball head is clamped on the side surface of the positioning groove, the other end of the round rod is in threaded connection with a locking nut, a cavity is formed in the surface of the other side of the bottom plate, and a negative pressure air bag is fixedly adhered to the side face of the cavity. Through improving the display unit, implant the prism strip in the concatenation seam and reach the technical effect who gets rid of the seam black border and consolidate the display unit.
Description
Technical Field
The invention relates to the field of display screens, in particular to a high-refresh high-gray-scale small-spacing spliced LED display screen.
Background
In some professional fields, in order to guarantee the definition of data and image display, need use the display screen of high refresh rate and high grey level, the support mounting supports simultaneously, does benefit to the operation and uses.
But current display screen is generally through simple A-frame fixed mounting, and not only inconvenient height-adjusting and angle are unfavorable for adjusting when different image display to watch, require ground level when the support is placed moreover, and support self stability is not enough, emptys easily when adjusting, and the result of use is unsatisfactory, remains to be improved. In order to achieve a large-screen display effect, the large-screen display effect is usually achieved through a screen splicing mode, in the prior art, usually through display compensation, namely, the LED lamp beads are implanted into splicing gaps and packaged, so that the gap eliminating effect is achieved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a high-refresh high-gray-scale small-space spliced LED display screen, the support rod is arranged on a bottom plate through a support cylinder, the display screen is arranged by combining a round rod in a transverse cylinder, the height can be adjusted up and down, the orientation angle can be adjusted in a turning mode conveniently, the adaptability is high, a negative pressure air bag is arranged on the bottom plate, the negative pressure adsorption positioning is facilitated, the convenience and the stability of use can be greatly improved, and the technical effects of removing the black edge of the gap and reinforcing the display unit are achieved by improving a display unit and implanting a prism strip into the spliced gap.
In order to solve the above problems, the present invention adopts the following technical solutions.
A high-refresh high-gray scale small-space spliced LED display screen comprises a bottom plate, wherein a supporting cylinder is fixedly arranged on the surface of one side of the bottom plate, a support rod is slidably arranged on the side surface of the support cylinder, a locking screw is connected with the other end of the support cylinder in a threaded manner, one end of the locking screw is tightly propped against the surface of the supporting rod, the other end of the supporting rod is fixedly connected with a transverse cylinder, the lateral surface of the transverse cylinder is provided with a positioning groove, the lateral surface of the transverse cylinder is rotatably provided with a round rod, one end of the round bar is fixedly provided with a display screen, the surface of the round bar is fixedly connected with a positioning bulb, the surface of the positioning ball head is clamped on the side surface of the positioning groove, the other end of the round rod is in threaded connection with a locking nut, the side surface of the locking nut is tightly connected to one end surface of the transverse cylinder, a cavity is formed in the other side surface of the bottom plate, and a negative pressure air bag is fixedly adhered to the side surface of the cavity;
the display screen is formed by splicing a plurality of display units, each display unit comprises a protective shell with a square box body structure, shock absorption fillers are fixedly arranged in each protective shell, each shock absorption filler has a cuboid structure, four edges of the edge of the upper end face of each shock absorption filler are subjected to chamfering treatment, flexible LED screens are fixedly arranged on the upper end face and the side faces of each shock absorption filler, and the edge of each flexible LED screen extends into a gap between each protective shell and each shock absorption filler to be hidden; the protective shell is fixedly connected with a shell of the display screen, and a prism strip is arranged in a gap generated by splicing the display screen; the cross section of the prism strip is of a pentagonal structure, the left surface and the right surface of the bottom of the prism strip are respectively tightly attached to the flexible LED screens of the adjacent display units, a reflective film is arranged on the bottom surface of the prism strip, a connecting strip is fixed at the bottom of the reflective film, and a connecting column is arranged at the bottom of the connecting strip; still be equipped with the connecting sleeve on the casing of display screen, the connecting sleeve internal fixation is provided with the rubber sleeve, and the rubber sleeve inner chamber is equipped with the indent go-between, be equipped with the evagination go-between on the spliced pole, the spliced pole inserts the rubber sleeve inner chamber, and indent go-between and the mutual adaptation joint of evagination go-between are fixed.
Further, the one end fixedly connected with rubber ring of horizontal section of thick bamboo, the opposite side surface top of rubber ring tightly connects in a side surface of display screen, through the tight display screen in rubber ring top, can guarantee the stability of location, avoids simultaneously rotating wear, guarantees the security.
Further, the other end fixedly connected with connecting plate of negative pressure gasbag, the both ends of connecting plate are rotated and are connected with the screw, the surperficial threaded connection of screw is in the both ends of bottom plate, through at negative pressure gasbag upper end installation connecting plate and screw, can take-up formation negative pressure, does benefit to the operation location, convenient stability.
Further, one side fixed surface of negative pressure gasbag is connected with the hose, the other end fixed mounting of hose has the cap of admitting air, and the cap of admitting air is installed through the hose, can get into the air balance atmospheric pressure, does benefit to the removal position after canceling the location, convenient operation, it is more stable.
Further, one side of the air inlet cap is provided with a through hole, the side face of the through hole is tightly pressed and provided with a sealing plate, the sealing effect can be guaranteed by connecting the sealing plate inside the air inlet cap, leakage is avoided, and stability of negative pressure maintenance is improved.
Further, the apron is installed to the one end of air inlet cap, the side slidable mounting of apron has the horizontal pole, the tight spring in top has been cup jointed on the surface of horizontal pole, the other end fixed connection of horizontal pole can push up tight closing plate through installing horizontal pole and the tight spring in top in the surface of closing plate, does benefit to the operation location.
Furthermore, the other end of the cross rod is hinged with a lever, the lever is hinged to the surface of the cover plate through a hinge seat, the lever is hinged to one end of the cross rod, operation is facilitated to balance air pressure, and the air pressure balancing device is labor-saving, convenient and practical.
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through a support section of thick bamboo erection bracing piece on the bottom plate, combines the inside round bar of a horizontal section of thick bamboo to install the display screen, and height-adjusting from top to bottom does benefit to the upset simultaneously and adjusts towards the angle, and adaptability is high to through installation negative pressure gasbag on the bottom plate, do benefit to the negative pressure and adsorb the location, convenient stability.
(2) Through the tight display screen in rubber ring top, can guarantee the stability of location, avoid simultaneously rotating wear, guarantee the security.
(3) Through at negative pressure gasbag upper end erection joint board and screw, can take up and form the negative pressure, do benefit to the operation location, convenient stability.
(4) The air inlet cap is installed through the hose, air can enter the hose to balance air pressure, the position can be moved after the positioning is cancelled, the operation is convenient, and the stability is high.
(5) Through at the inside closing plate that links of air inlet cap, can guarantee sealed effect, avoid leaking, improve the stability that the negative pressure kept.
(6) The lever is hinged to one end of the cross rod, so that the air pressure can be balanced by operation, and the air pressure balancing device is labor-saving, convenient and practical.
(7) Through improving the display unit, the technical effects of removing the black edge of the gap and reinforcing the display unit are achieved by implanting the prism strip into the splicing gap.
Drawings
FIG. 1 is a schematic view of the overall structure of a high-refresh high-gray-scale small-pitch spliced LED display screen according to the present invention;
FIG. 2 is an enlarged view of the cross-piece of FIG. 1 at A;
FIG. 3 is a schematic diagram of a negative pressure air bag structure of a high-refresh high-gray scale small-pitch spliced LED display screen according to the invention;
FIG. 4 is a schematic structural view of an air inlet cap of a high-refresh high-gray scale small-pitch spliced LED display screen according to the invention;
FIG. 5 is a schematic view of the overall structure of a high-refresh high-gray-scale small-pitch spliced LED display screen according to the present invention;
FIG. 6 is a schematic view of a connecting structure of a display unit, a display screen shell and a prism strip of the high-refresh high-gray-scale small-spacing spliced LED display screen according to the invention;
FIG. 7 is a schematic diagram of a prism strip structure of a high-refresh high-gray scale small-pitch spliced LED display screen according to the present invention.
The scores in the figures are as follows:
1 bottom plate, 11 support section of thick bamboo, 12 bracing pieces, 13 locking screw, 14 horizontal section of thick bamboo, 15 positioning groove, 16 round bar, 17 display screens, 18 location bulb, 19 lock nut, 2 rubber ring, 21 cavity, 22 negative pressure gasbag, 23 connecting plate, 24 screws, 25 hose, 26 air inlet cap, 3 through-holes, 31 sealing plate, 32 apron, 33 horizontal pole, 34 top tension spring, 35 lever, 36 articulated seat, 170, the spliced pole, 171, the display element, 172, the prism strip, 173, shock attenuation filler, 174, flexible LED screen, 175, reflective membrane, 176, the protective housing, 177, the connecting sleeve, 178, the rubber sleeve, 179, the connecting strip.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
A high-refresh high-gray-scale small-space spliced LED display screen comprises a bottom plate 1, see fig. 1 and fig. 2, a supporting cylinder 11 is fixedly installed on one side surface of the bottom plate 1, a supporting rod 12 is installed on the side surface of the supporting cylinder 11 in a sliding mode and can be adjusted in a vertical sliding mode to support the height, adaptability is high, the other end of the supporting cylinder 11 is connected with a locking screw 13 in a threaded mode and can tightly support the supporting rod 12 to guarantee stability of height adjustment and facilitate use, one end of the locking screw 13 is tightly connected to the surface of the supporting rod 12 in a supporting mode, the other end of the supporting rod 12 is fixedly connected with a transverse cylinder 14, a positioning groove 15 is formed in the side surface of the transverse cylinder 14, a round rod 16 is rotatably installed on the side surface of the transverse cylinder 14, a display screen 17 is fixedly installed at one end of the round rod 16 and can be supported, the display operation is convenient to be carried out according to different requirements, the surface of the round rod 16 is fixedly connected with the positioning ball head 18, the four positions are connected to ensure the accuracy of the transverse direction and the vertical direction, the inclination of the display screen 17 caused by offset and dislocation is avoided, the positioning adjustment is facilitated, the surface of the positioning ball head 18 is clamped on the side surface of the positioning groove 15, the other end of the round rod 16 is in threaded connection with the locking nut 19, can lock the location, lock nut 19's the side top tightly connects in the one end surface of a horizontal section of thick bamboo 14, the one end fixedly connected with rubber ring 2 of a horizontal section of thick bamboo 14, the opposite side surface top of rubber ring 2 tightly connects in a side surface of display screen 17, the opposite side surface of bottom plate 1 is equipped with cavity 21, the fixed adhesion in side of cavity 21 has negative pressure gasbag 22, can form the negative pressure in inside, do benefit to the absorption location to the desktop on, relatively stable, avoid empting, do benefit to the location regulation.
Referring to fig. 3, the other end of the negative pressure air bag 22 is fixedly connected with a connecting plate 23, two ends of the connecting plate 23 are rotatably connected with screws 24, the surface of each screw 24 is in threaded connection with two ends of the bottom plate 1, one side surface of the negative pressure air bag 22 is fixedly connected with a hose 25, the other end of the hose 25 is fixedly provided with an air inlet cap 26, and the hose 25 is connected with the air inlet cap 26, so that deformation of the negative pressure air bag 22 cannot be interfered, air can be selectively introduced to balance air pressure, and taking and moving are facilitated.
Referring to fig. 4, one side of the air inlet cap 26 is provided with a through hole 3, a sealing plate 31 is tightly pressed on the side of the through hole 3, a cover plate 32 is installed at one end of the air inlet cap 26, a cross rod 33 is slidably installed on the side of the cover plate 32, a jacking spring 34 is sleeved on the surface of the cross rod 33, the sealing plate 31 is jacked by the jacking spring 34, the sealing stability can be ensured, leakage is avoided, the stability of negative pressure maintenance is ensured, the other end of the cross rod 33 is fixedly connected to the surface of the sealing plate 31, a lever 35 is hinged to the other end of the cross rod 33, the lever 35 is hinged to the surface of the cover plate 32 through a hinge seat.
As shown in fig. 5, the display screen 17 is formed by splicing a plurality of display units 171.
As shown in fig. 6, the display unit 171 includes a protective case 176 having a square box structure, the protective case 176 is disposed below, a shock-absorbing filler 173 is fixedly disposed in the protective case 176, and the shock-absorbing filler 173 is disposed above the protective case 176; the shock absorbing filler 173 has a rectangular parallelepiped structure, and four sides of the edge of the upper end surface of the shock absorbing filler 173 are rounded, and in a possible embodiment, may be subjected to a general chamfering process.
As shown in fig. 6, a flexible LED screen 174 is fixedly disposed on the upper end surface and the side surface of the shock-absorbing filler 173, and the edge of the flexible LED screen 174 extends into the gap between the protective shell 176 and the shock-absorbing filler 173 to be hidden; because the flexible LED screen 174 belongs to the prior art and is not described any more, the flexible LED screen 174 is wrapped by the shock-absorbing filler 173, and a special-shaped screen (irregular rectangle) is required, and the special-shaped screen is widely used in the field of mobile phones, such as a common bang screen, and belongs to the prior art, the special-shaped screen used in the invention is manufactured by cutting out a square area from each of four corners of a whole rectangular screen.
As shown in fig. 6, the protective shell 176 is fixedly connected to the housing of the display screen 17, and a prism strip 172 is disposed in a gap generated by splicing the display screen 17.
As shown in fig. 6 and 7, the cross section of the prism strip 172 has a pentagonal structure, the left and right surfaces of the bottom of the prism strip 172 are respectively closely attached to the flexible LED screen 174 of the adjacent display unit 171, and in order to attach the round corner of the flexible LED screen 174, the left and right surfaces of the bottom of the prism strip 172 have a radian matched with the round corner of the flexible LED screen 174;
as shown in fig. 7, when the image on the edge of the flexible LED screen 174 passes through the rounded corner, the projection of the image on the front surface of the display screen 17 is actually compressed, the partial image is actually composed of a plurality of light rays, the light rays are emitted into the prism strip 172 in a radial shape by taking the circle center C of the rounded corner as the midpoint, analysis of the refraction principle shows that the folded image is unfolded again to a normal proportion, and when the image passes through the prism strip 172, the image passing direction facing the image on the upper end side of the prism strip 172 is corrected, that is, the image passes through toward the front surface of the display screen 17.
As shown in fig. 6 or 7, the bottom surface of the prism strip 172 is provided with a reflective film 175 for reflecting light to enhance the permeability of the prism strip 172, so that the brightness of the prism strip and the display screen 17 can be possibly close to each other, and the obtrusive feeling is eliminated; the bottom of the reflective film 175 is fixed with a connecting strip 179, and the bottom of the connecting strip 179 is provided with a connecting column 170; still be equipped with connecting sleeve 177 on the casing of display screen 17, the internal fixation of connecting sleeve 177 is provided with rubber sleeve 178, and rubber sleeve 178 inner chamber is equipped with the indent go-between, be equipped with the evagination go-between on the spliced pole 170, spliced pole 170 inserts rubber sleeve 178 inner chamber, and the mutual adaptation joint of indent go-between and evagination go-between is fixed to indirectly make prism strip 172 press to display element 171, play the purpose of consolidating display element 171.
When the bottom plate is used, the bottom plate 1 can be placed on a desktop, the screws 24 on the two sides are rotated to upwards pull the connecting plate 23, the negative pressure air bag 22 can be upwards pulled to deform, the inner space can be enlarged, negative pressure is formed, the bottom plate 1 can be stably compressed under the action of pressure difference of external atmospheric pressure, the placing stability is guaranteed, the falling is avoided, the supporting rod 12 can be pulled to adjust the supporting height, meanwhile, the round rod 16 can be used for supporting to rotate the angle, the display screen 17 can be transversely or vertically positioned, the adjustment and the use are facilitated, the display operation is convenient to carry out according to different requirements, when the position needs to be moved, the lever 35 can be pressed, the cross rod 33 is pulled after the angle is turned around the hinge seat 36, the sealing plate 31 can be driven to slide to be separated from the through hole 3, and external air can enter the negative pressure air, the air pressure inside and outside can be balanced, the operation is convenient, and the movement adjustment is facilitated.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides a high grey scale booth apart from concatenation LED display screen of refreshing, includes bottom plate (1), its characterized in that: the supporting device is characterized in that a supporting cylinder (11) is fixedly arranged on the surface of one side of the bottom plate (1), a supporting rod (12) is slidably arranged on the side face of the supporting cylinder (11), a locking screw (13) is connected to the other end of the supporting cylinder (11) in a threaded manner, one end of the locking screw (13) is tightly connected to the surface of the supporting rod (12), a transverse cylinder (14) is fixedly connected to the other end of the supporting rod (13), a positioning groove (15) is arranged on the side face of the transverse cylinder (14), a round rod (16) is rotatably arranged on the side face of the transverse cylinder (14), a display screen (17) is fixedly arranged at one end of the round rod (16), a positioning ball head (18) is fixedly connected to the surface of the round rod (16), the surface of the positioning ball head (18) is clamped to the side face of the positioning groove (15), and a locking, the side surface of the locking nut (19) is tightly connected with one end surface of the transverse cylinder (14), a cavity (21) is formed in the other side surface of the bottom plate (1), and a negative pressure air bag (22) is fixedly adhered to the side surface of the cavity (21);
the display screen (17) is formed by splicing a plurality of display units (171), each display unit (171) comprises a protective shell (176) with a square box body structure, a shock absorption filler (173) is fixedly arranged in each protective shell (176), each shock absorption filler (173) has a cuboid structure, four edges of the edge of the upper end face of each shock absorption filler (173) are subjected to rounding treatment, a flexible LED screen (174) is fixedly arranged on the upper end face and the side face of each shock absorption filler (173), and the edge of each flexible LED screen (174) extends into a gap between each protective shell (176) and each shock absorption filler (173) to be hidden; the protective shell (176) is fixedly connected with a shell of the display screen (17), and a prism strip (172) is arranged in a gap generated by splicing the display screen (17); the cross section of each prism strip (172) is of a pentagonal structure, the left surface and the right surface of the bottom of each prism strip (172) are respectively and tightly attached to the flexible LED screen (174) of the adjacent display unit (171), a reflective film (175) is arranged on the bottom surface of each prism strip (172), a connecting strip (179) is fixed at the bottom of each reflective film (175), and a connecting column (170) is arranged at the bottom of each connecting strip (179); still be equipped with connecting sleeve (177) on the casing of display screen (17), connecting sleeve (177) internal fixation is provided with rubber sleeve (178), and rubber sleeve (178) inner chamber is equipped with the indent go-between, be equipped with the evagination go-between on spliced pole (170), spliced pole (170) insert rubber sleeve (178) inner chamber, and indent go-between and the mutual adaptation joint of evagination go-between are fixed.
2. The high-refresh high-gray-scale small-pitch spliced LED display screen as claimed in claim 1, wherein: one end fixedly connected with rubber ring (2) of horizontal section of thick bamboo (14), the opposite side surface top of rubber ring (2) tightly connects in a side surface of display screen (17).
3. The high-refresh high-gray-scale small-pitch spliced LED display screen as claimed in claim 1, wherein: the other end fixedly connected with connecting plate (23) of negative pressure gasbag (22), the both ends of connecting plate (23) are rotated and are connected with screw (24), the surperficial threaded connection of screw (24) is in the both ends of bottom plate (1).
4. The high-refresh high-gray-scale small-pitch spliced LED display screen as claimed in claim 1, wherein: the negative pressure air bag is characterized in that a hose (25) is fixedly connected to the surface of one side of the negative pressure air bag (22), and an air inlet cap (26) is fixedly mounted at the other end of the hose (25).
5. The high-refresh high-gray-scale small-pitch spliced LED display screen as claimed in claim 4, wherein: one side of the air inlet cap (26) is provided with a through hole (3), and the side surface of the through hole (3) is tightly pressed with a sealing plate (31).
6. The high-refresh high-gray-scale small-pitch spliced LED display screen as claimed in claim 4, wherein: the one end of air inlet cap (26) is installed apron (32), the side slidable mounting of apron (32) has horizontal pole (33), the surface of horizontal pole (33) has cup jointed top tight spring (34), the other end fixed connection of horizontal pole (33) is in the surface of closing plate (31).
7. The high-refresh high-gray-scale small-pitch spliced LED display screen as claimed in claim 6, wherein: the other end of the cross rod (33) is hinged with a lever (35), and the lever (35) is hinged on the surface of the cover plate (32) through a hinge seat (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010778575.1A CN111963856B (en) | 2020-08-05 | 2020-08-05 | High-refresh high-gray-scale small-space spliced LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010778575.1A CN111963856B (en) | 2020-08-05 | 2020-08-05 | High-refresh high-gray-scale small-space spliced LED display screen |
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| Publication Number | Publication Date |
|---|---|
| CN111963856A true CN111963856A (en) | 2020-11-20 |
| CN111963856B CN111963856B (en) | 2022-04-12 |
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| CN202010778575.1A Active CN111963856B (en) | 2020-08-05 | 2020-08-05 | High-refresh high-gray-scale small-space spliced LED display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436527A (en) * | 2021-05-10 | 2021-09-24 | 尹盼盼 | Electronic display screen of many screen combinations |
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| CN113888988B (en) * | 2021-09-10 | 2023-08-11 | 中通服慧展科技有限公司 | Intelligent regulation and control frame connection system for multi-screen splicing |
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| CN111963856B (en) | 2022-04-12 |
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Denomination of invention: A kind of LED display screen with high refresh, high gray scale and small spacing splicing Effective date of registration: 20230221 Granted publication date: 20220412 Pledgee: Bank of China Limited Zhuji sub branch Pledgor: ZHEJIANG DEGUANGXIN ELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2023980033043 |