CN108799266B - Display screen connecting device and LED display screen - Google Patents
Display screen connecting device and LED display screen Download PDFInfo
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- CN108799266B CN108799266B CN201810990541.1A CN201810990541A CN108799266B CN 108799266 B CN108799266 B CN 108799266B CN 201810990541 A CN201810990541 A CN 201810990541A CN 108799266 B CN108799266 B CN 108799266B
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- end hinge
- display screen
- hinge point
- connecting rod
- connecting rods
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Classifications
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/0004—Joining sheets, plates or panels in abutting relationship
- F16B5/008—Joining sheets, plates or panels in abutting relationship by a rotating or sliding and rotating movement
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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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display screen connecting device which comprises a fixing mechanism consisting of two fixing seats longitudinally arranged side by side, and a connecting mechanism consisting of two first connecting rods, two second connecting rods and two third connecting rods, wherein the connecting mechanism is hinged and fixed on the fixing mechanism. The invention also discloses an LED display screen, which comprises the display screen connecting device. The LED display screen is formed by connecting the LED display screen box bodies through the display screen connecting device, so that the loss caused by collision of the LED display screen box bodies due to rotation is prevented.
Description
Technical Field
The invention relates to the technical field of LED display screen connection, in particular to a display screen connection device and an LED display screen.
Background
Along with the wide application of the LED display screen in various fields, the installation environment of the LED display screen is more and more complex, and the planar LED display screen in the current market cannot meet the market requirement. In order to adapt to various installation occasions, display special display effects and other reasons, various LED display screens with different shapes are emerging in the market, and particularly, arc-shaped LED display screens are favored in the field of large-screen display. For example, if an arc-shaped LED display screen can be spliced with a plane LED display screen to form a whole at a corner, the display effect is rich in curved surface sense, whole sense, stereoscopic sense and the like.
When the LED display screens are spliced, the two LED display screen box bodies are hinged together, and the two LED display screen box bodies are kept in a contact state, so that the spliced LED display screens are in seamless splicing, and the hinge point is theoretically a contact point between the lamp panels on the two LED display screen box bodies. However, the contact point between the lamp panels is too small to be provided with the connecting device.
In order to solve the problem, at present, when the LED display screen is spliced, an arc lock catch is arranged above a hinging point, and two plane LED display screen boxes are spliced into an integral LED display screen with radian. However, the existing arc-shaped lock catches mostly adopt an arc-shaped guide rail structure, and thus, have the following defects: 1. the arc-shaped guide rail can be completed by complex processing, and the cost is high; 2. the arc-shaped lock catch has large volume and large occupied space, and is not suitable for splicing small LED display screens; 3. the arc-shaped lock catch can not effectively prevent collision when the two LED display screen boxes rotate.
Disclosure of Invention
The invention mainly aims to provide a display screen connecting device and an LED display screen, which can effectively prevent the collision of an LED display screen box body caused by rotation.
In order to achieve the above object, the present invention provides a display screen connecting device, comprising:
the fixing mechanism comprises two fixing seats which are longitudinally arranged side by side;
the connecting mechanism comprises two first connecting rods, two second connecting rods and two third connecting rods, the first connecting rods, the second connecting rods and the third connecting rods are arranged on the two fixing seats, the first connecting rods and the second connecting rods are provided with head-end hinge points and tail-end hinge points, and the third connecting rods are provided with head-end hinge points, middle-end hinge points and tail-end hinge points which are not in the same straight line;
on each fixed seat, the head end hinge point and the tail end hinge point of the first connecting rod are hinged to the fixed seat, the head end hinge point of the second connecting rod coincides with the tail end hinge point of the first connecting rod, and the tail end hinge point of the second connecting rod coincides with the head end hinge point of the third connecting rod;
the tail end hinge point of the third connecting rod is overlapped with the head end hinge point of the first connecting rod on the other fixed seat, and the middle end hinge points of the two third connecting rods are overlapped;
the first connecting rod head end hinge point and the tail end hinge point, the second connecting rod head end hinge point and the tail end hinge point, the third connecting rod head end hinge point and the middle end hinge point, and the other tail end hinge point of the third connecting rod on the fixing seat form a parallelogram.
In one embodiment, the angle adjusting mechanism comprises a connecting sheet and a scale display sheet which can be mutually overlapped and fixed, and the connecting sheet and the scale display sheet are respectively fixed at the tops of the two fixing seats through two screw pins.
In one embodiment, the display screen connecting device is provided with long pins, two ends of the fixing mechanism are respectively provided with the connecting mechanism, each corner position at two sides of the fixing seat is provided with a first through hole which is transversely penetrated, the two long pins respectively pass through the fixing mechanism in a matched manner with the two first through holes at the outer side of the fixing mechanism so as to connect the two ends of the fixing mechanism with the tail end hinge point of the first connecting rod and the head end hinge point of the second connecting rod, and the other two long pins respectively pass through the fixing mechanism in a matched manner with the two first through holes at the inner side of the fixing mechanism so as to connect the two ends of the first end hinge point of the first connecting rod and the tail end hinge point of the third connecting rod, so that the connecting mechanism is hinged on the fixing mechanism.
In one embodiment, the second connecting rod end hinge point and the third connecting rod head end hinge point are movably connected through a short rivet, and the middle hinge points of the two third connecting rods are movably connected through a short rivet.
The invention also provides a display screen connecting device, which is used for the LED display screen and comprises:
the fixing mechanism comprises two fixing seats which are longitudinally arranged side by side;
the connecting mechanism comprises two first connecting rods, two second connecting rods and two third connecting rods, the first connecting rods, the second connecting rods and the third connecting rods are arranged on the two fixing seats, the first connecting rods and the second connecting rods are provided with head-end hinge points and tail-end hinge points, and the third connecting rods are provided with head-end hinge points, middle-end hinge points and tail-end hinge points which are not in the same straight line;
on each fixed seat, the head end hinge point and the tail end hinge point of the first connecting rod are hinged to the fixed seat, the head end hinge point of the second connecting rod coincides with the tail end hinge point of the first connecting rod, and the tail end hinge point of the second connecting rod coincides with the head end hinge point of the third connecting rod;
the tail end hinge point of the third connecting rod is overlapped with the head end hinge point of the first connecting rod on the other fixed seat, and the middle end hinge points of the two third connecting rods are overlapped;
the length between the first end hinge point and the tail end hinge point of the first connecting rod is equal to the length between the first end hinge point and the middle end hinge point of the third connecting rod, and the length between the first end hinge point and the tail end hinge point of the second connecting rod is equal to the length between the middle end hinge point and the tail end hinge point of the third connecting rod on the other fixed seat.
In one embodiment, the angle adjusting mechanism comprises a connecting sheet and a scale display sheet which can be mutually overlapped and fixed, and the connecting sheet and the scale display sheet are respectively fixed at the tops of the two fixing seats through two screw pins.
In one embodiment, the display screen connecting device is provided with long pins, two ends of the fixing mechanism are respectively provided with the connecting mechanism, each corner position at two sides of the fixing seat is provided with a first through hole which is transversely penetrated, two long pins respectively pass through the fixing mechanism in a matched manner with the two first through holes at the outer side of the fixing mechanism so as to connect two ends of the fixing mechanism with the tail end hinge point of the first connecting rod and the head end hinge point of the second connecting rod, and the other two long pins respectively pass through the fixing mechanism in a matched manner with the two first through holes at the inner side of the fixing mechanism so as to connect two ends of the first end hinge point of the first connecting rod and the tail end hinge point of the third connecting rod, so that the connecting mechanism is hinged on the fixing mechanism.
In one embodiment, the hinge point at the tail end of the second connecting rod is movably connected with the hinge point at the head end of the third connecting rod through a short rivet, and the hinge point in the middle of the two third connecting rods is movably connected with the hinge point through a short rivet.
The invention also provides an LED display screen, which comprises the display screen connecting device, two LED display screen boxes and two LED display screen connecting pieces, wherein the display screen connecting device is positioned between the two LED display screen boxes, and the two fixing seats on the display screen connecting device are respectively connected with the LED display screen boxes through one LED display screen connecting piece.
In one embodiment, the fixing base lateral surface is provided with second through-hole and locating hole, the LED display screen connecting piece includes body, knob and fastener, the body is kept away from the one end of knob is provided with the reference column, the fastener keep away from the one end of body be provided with the fixed block that the second through-hole shape is unanimous, the cover is equipped with the spring on the fastener to fix in proper order on body and knob through the bolt, the reference column with the locating hole cooperates, the fixed block passes the second through-hole, through rotatory the fixed block so that LED display screen connecting piece one end is fixed the fixing base, the other end of LED display screen connecting piece passes the LED display screen box frame, through rotatory the knob so that the LED display screen connecting piece is fixed the LED display screen box.
According to the display screen connecting device, the connecting mechanism is designed to be of a double-parallelogram structure, so that the collision of the LED display screen box body caused by rotation can be effectively prevented.
Drawings
FIG. 1 is a schematic diagram of a display screen connecting device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a split structure of the display screen connecting device shown in FIG. 1;
FIG. 3 is a schematic structural view of an LED display screen connector according to an embodiment of the present invention;
FIG. 4 is a schematic view of a display screen connecting device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of 15 ° of a display screen connecting device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a display screen connecting device-15 DEG according to an embodiment of the present invention;
FIG. 7 is a front view of a display screen attachment device according to an embodiment of the present invention at 0;
FIG. 8 is a front view of a display screen attachment device of an embodiment of the present invention at 15;
FIG. 9 is a front view of a display screen attachment device of an embodiment of the present invention at-15;
FIG. 10 is a schematic view of the LED display screen at the angle shown in FIG. 7;
FIG. 11 is a schematic view of the LED display screen at the angle shown in FIG. 8;
fig. 12 is a schematic view of the LED display screen at the angle shown in fig. 9.
Detailed Description
In order to further describe the technical manner and efficacy of the present invention for achieving the intended purpose, the following detailed description of the embodiments, structures, features and efficacy of the invention refers to the accompanying drawings and examples.
Referring to fig. 1 and 2, a display screen connecting device according to an embodiment of the present invention includes a fixing mechanism, a connecting mechanism 13, and an angle adjusting mechanism 12.
The fixing mechanism comprises two fixing seats 11 which are longitudinally arranged side by side. Each fixing seat 11 is approximately square-tube-shaped and is formed by punching and folding a metal plate. The middle position of the top of the fixed seat 11 is provided with a concave part 112, and two ends of the top are provided with fixing screw holes 114 which are transversely penetrated. The corners of the two sides of the bottom of the fixed seat 11 are provided with first through holes 113 which are transversely penetrated. The outer side of the fixing seat 11 is provided with a second through hole 117 and a positioning hole 115 which are longitudinally penetrated and used for installing the LED display screen box body.
The connecting mechanism 13 includes two first connecting rods 131, two second connecting rods 132, and two third connecting rods 133. The first connecting rod 131, the second connecting rod 132 and the third connecting rod 133 are plate-shaped and are punched from a metal plate. The first connecting rod 131 and the second connecting rod 132 are respectively provided with a head end hinge point and a tail end hinge point, and the third connecting rod 133 is provided with a head end hinge point, a middle end hinge point and a tail end hinge point which are not in the same straight line. The connecting mechanism 13 is provided at one end of the two fixing bases 11. On each fixing seat, the first end hinge point and the end hinge point of the first connecting rod 131 are both hinged to the fixing seat 11, the first end hinge point of the second connecting rod 132 is overlapped with the end hinge point of the first connecting rod 131, the first end hinge point of the third connecting rod 133 is overlapped with the end hinge point of the second connecting rod 132, the end hinge point of the third connecting rod 133 is overlapped with the first end hinge point of the first connecting rod 131 on the other fixing seat 11, and the middle end hinge points of the two third connecting rods 133 are overlapped.
The length between the head-end hinge point and the end hinge point of the first connecting rod 131 is equal to the length between the head-end hinge point and the middle-end hinge point of the third connecting rod 133, and the length between the head-end hinge point and the end hinge point of the second connecting rod 132 is equal to the length between the middle-end hinge point and the end hinge point of the third connecting rod 133 on the other fixing base 11, so that the head-end hinge point and the end hinge point of the first connecting rod 131, the head-end hinge point and the end hinge point of the second connecting rod 132, the head-end hinge point and the middle-end hinge point of the third connecting rod 133, and the middle-end hinge point and the end hinge point of the third connecting rod 133 on the other fixing base 11 form a parallelogram, and thus, the connecting mechanisms 13 at one ends of the two fixing bases 11 form two parallelograms, so that the connecting mechanisms 13 form a double-parallelogram structure.
In this embodiment the display screen attachment means is further provided with a long pin 17, a screw pin 14 and a short rivet 15. Wherein the rear end of the screw pin 14 is provided with threads.
In this embodiment, a set of connecting mechanisms 13 is provided at each end of the fixing mechanism. The first connecting rod 131, the second connecting rod 132 and the third connecting rod 133 are all provided with a third through hole 16, the third through hole 16 coincides with the hinge point, and the connecting mechanism 13 is hinged on the fixing mechanism through a connecting piece such as a pin or a rivet. Specifically, on two outer sides of the fixing mechanism, two long pins 17 respectively pass through the third through hole 16 at the tail end of the first connecting rod 131, the third through hole 16 at the head end of the second connecting rod 132 and the first through hole 113 at one end of the fixing mechanism, and pass through the third through hole 16 at the tail end of the first connecting rod 131 and the third through hole 16 at the head end of the second connecting rod 132 at the other end of the fixing mechanism, so that the first connecting rod 131 and the second connecting rod 132 at two ends of the fixing mechanism are hinged on the fixing mechanism. Two long pins 17 are hinged with the third through holes 16 at the head ends of the first connecting rods 131 and the third through holes 16 at the tail ends of the third connecting rods 133 of the connecting mechanisms at the two ends of the fixing mechanism in the above mode on the two inner sides of the fixing mechanism, so that the first connecting rods 131 and the third connecting rods 133 at the two ends of the fixing mechanism are hinged on the fixing mechanism. In each connecting mechanism at two ends of the fixing mechanism, a short rivet 15 passes through a third through hole 16 at the tail end of the second connecting rod 132 and a third through hole 16 of the third connecting rod 133, so that the second connecting rod 132 is hinged with the third connecting rod 133; the short rivet 15 passes through the third through holes 16 at the middle ends of the two third connection rods 133 to hinge the two third connection rods 133.
The connecting mechanism is designed into a double-parallelogram structure, and the two fixing seats 11 can be rotated by applying small force during operation; meanwhile, when the connecting mechanism rotates, the rotation center of the connecting mechanism is unchanged. Specifically, as shown in fig. 6 and 10, the LED display screen cases 8 are provided with ribs 85, and the ribs 85 of the two LED display screen cases 8 are respectively connected with the two fixing bases 11 of the display screen connecting device 1, so that the two LED display screen cases 8 are spliced into the whole LED display screen. Through setting up display screen connecting device 1 on LED display screen box 8, be equivalent to hinge means and upwards move to not only realized seamless concatenation, avoided two LED display screen boxes 8 to bump when rotatory effectively.
In addition, in the embodiment, the connecting rods are arranged separately from the fixing base, each connecting rod adopts a plate-shaped body, and the fixing base is formed by punching and folding a metal plate, so that the structure is simple, the processing cost is lower, and compared with a cylindrical connecting rod with a through hole, the distance from the through hole of the plate-shaped body connecting rod with the through hole to the outer edge is larger, and the firmness is better.
The angle adjustment mechanism 12 includes a connecting piece 121, a scale display piece 122, and a fixing structure. The surface of the connecting sheet 121 is provided with a positioning screw hole 1213, and the outer end of the connecting sheet is provided with a pin hole 1214; the scale display piece 122 has a through groove 1223 and an angle scale on the surface and a pin hole 1214 on the outer end. The through groove 1223 is a plurality of arc structures connected end to end, and each arc structure corresponds to a corresponding preset angle; the angle scale is positioned on one side of the through groove 1223, and the preset angle range of the angle scale is-15 degrees to +15 degrees; the fixing structure comprises a positioning screw hole 1213, a through groove 1223 and an adjusting screw 1233, wherein the positioning screw hole 1213 is arranged on the surface of the connecting sheet, and the adjusting screw 1233 corresponds to the positioning screw hole 1213. One end of the connecting sheet 121 provided with a pin hole 1214 is arranged in the concave part 112, the front end of a screw 14 penetrates out of the fixing screw hole 114 at one end of the concave part and is inserted into the pin hole 1214 at one end of the connecting sheet 121, and the screw thread part at the rear end is fixed with the fixing screw hole 114; the front end of the other screw 14 passes through the fixing screw hole 114 at the other end of the concave part 112 and is inserted into the pin hole 1214 at the other end of the connecting piece 121, and the rear end screw part thereof is fixed with the fixing screw hole 114; thereby hinging the connecting piece 121 to a fixed seat 11. The other two studs 14 are used to hinge the scale display plate 122 to the other holder 11 in the manner described above. In this way, the two holders 11 are rotated about their respective hinges. The adjusting screw 1233 is inserted through the slot 1223 and is engaged with the positioning screw hole 1213, so that the connecting piece 121 and the scale display piece 122 are fixedly stacked. When the adjusting bolt 1233 is loosened, the adjusting bolt 1233 slides in the through groove 1223 to a preset angle displayed by the angle scale, so that the two fixing seats 11 are adjusted to the preset angle; the adjusting bolt 1233 is fastened, so that the adjusting bolt 1233 is clamped in the arc structure corresponding to the preset angle of the through groove 1223, and the connecting piece 121 and the scale display piece 122 are locked. Compared with the lock catch structure, the angle adjusting mechanism 12 has the advantages of simple structure, easy processing, small occupied space and simple and convenient operation; simultaneously, through each arc structure can make angle adjustment mechanism with display screen connecting device accurate adjustment to corresponding angle.
Referring to fig. 3 and 10, the present embodiment further discloses an LED display screen, which includes one above-mentioned display screen connecting device 1, two LED display screen boxes 8 and two LED display screen connecting members 7, wherein the display screen connecting device 1 is located between the two LED display screen boxes 8, and two fixing seats 11 on the display screen connecting device 1 are respectively connected with the LED display screen boxes 8 through one LED display screen connecting member 7.
Specifically, the LED display screen connector 7 includes a body 71, a knob 72 and a fastener 74, one end of the body 71 away from the knob 72 is provided with a positioning column 713, one end of the fastener 74 away from the body 71 is provided with a fixing block 741 consistent with the shape of the second through hole 117, the fastener 74 is sleeved with a spring 73 and is sequentially fixed on the body 71 and the knob 72 through a bolt 75, the positioning column 713 is matched with the positioning hole 115, the fixing block 741 penetrates through the second through hole 117, the fixing seat 11 is fixed at one end of the LED display screen connector 7 through the rotation of the fixing block 741, the other end of the LED display screen connector 7 penetrates through a rib 85 on the LED display screen box 8, and the LED display screen box 8 is fixed at the other end of the LED display screen connector 7 through the rotation of the knob 72. The LED display screen box body 8 is fixedly connected to the outer side face of the fixing seat 11 of the display screen connecting device 1 through the LED display screen connecting piece 7.
When the LED display screen connecting device is used, as shown in fig. 4, 7 and 10, when the scale of the display screen connecting device 1 is displayed as 0 degrees, the two LED display screen boxes 8 are positioned on the same horizontal plane; as shown in fig. 5, 8 and 11, when the scale of the display screen connecting device 1 is 15 °, the two LED display screen boxes 8 are in an outer arc shape; as shown in fig. 6, 9 and 12, when the scale of the display screen connecting device 1 is displayed at-15 °, the two LED display screen boxes 8 are in an inner arc shape.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (8)
1. A display screen connection device, comprising:
the fixing mechanism comprises two fixing seats which are longitudinally arranged side by side;
the connecting mechanism comprises two first connecting rods, two second connecting rods and two third connecting rods, the first connecting rods, the second connecting rods and the third connecting rods are arranged on the two fixing seats, the first connecting rods and the second connecting rods are provided with head-end hinge points and tail-end hinge points, and the third connecting rods are provided with head-end hinge points, middle-end hinge points and tail-end hinge points which are not in the same straight line;
on each fixed seat, the head end hinge point and the tail end hinge point of the first connecting rod are hinged to the fixed seat, the head end hinge point of the second connecting rod coincides with the tail end hinge point of the first connecting rod, and the tail end hinge point of the second connecting rod coincides with the head end hinge point of the third connecting rod;
the tail end hinge point of the third connecting rod is overlapped with the head end hinge point of the first connecting rod on the other fixed seat, and the middle end hinge points of the two third connecting rods are overlapped;
the first connecting rod head end hinge point and the tail end hinge point, the second connecting rod head end hinge point and the tail end hinge point, the third connecting rod head end hinge point and the middle end hinge point, and the third connecting rod middle end hinge point and the tail end hinge point on the other fixed seat form a parallelogram;
the display screen connecting device also comprises an angle adjusting mechanism, wherein the angle adjusting mechanism comprises a connecting sheet and a scale display sheet which can be mutually overlapped and fixed, and the connecting sheet and the scale display sheet are respectively fixed at the tops of the two fixing seats through two screw pins; the surface of the connecting sheet is provided with a positioning screw hole, the surface of the scale display sheet is provided with a through groove and an angle scale, the through groove is a plurality of arc structures connected end to end, and each arc structure corresponds to a corresponding preset angle; the angle scale is positioned on one side of the through groove, and the preset angle range of the angle scale is-15 degrees to +15 degrees.
2. The display screen connecting device according to claim 1, wherein the display screen connecting device is provided with long pins, the two ends of the fixing mechanism are respectively provided with the connecting mechanism, the corner positions of two sides of each fixing seat are provided with first through holes which are transversely penetrated, the two long pins respectively pass through the fixing mechanism in a matched manner with the two first through holes on the outer side of the fixing mechanism to connect the tail end hinging point of the first connecting rod and the head end hinging point of the second connecting rod at two ends, and the other two long pins respectively pass through the fixing mechanism in a matched manner with the two first through holes on the inner side of the fixing mechanism to connect the head end hinging point of the first connecting rod and the tail end hinging point of the third connecting rod at two ends so that the connecting mechanism is hinged on the fixing mechanism.
3. The display screen connecting device according to claim 1, wherein the end hinge point of the second connecting rod and the head end hinge point of the third connecting rod are movably connected by a short rivet, and the middle end hinge points of the two third connecting rods are movably connected by a short rivet.
4. A display screen connection device for an LED display screen, comprising:
the fixing mechanism comprises two fixing seats which are longitudinally arranged side by side;
the connecting mechanism comprises two first connecting rods, two second connecting rods and two third connecting rods, the first connecting rods, the second connecting rods and the third connecting rods are arranged on the two fixing seats, the first connecting rods and the second connecting rods are provided with head-end hinge points and tail-end hinge points, and the third connecting rods are provided with head-end hinge points, middle-end hinge points and tail-end hinge points which are not in the same straight line;
on each fixed seat, the head end hinge point and the tail end hinge point of the first connecting rod are hinged to the fixed seat, the head end hinge point of the second connecting rod coincides with the tail end hinge point of the first connecting rod, and the tail end hinge point of the second connecting rod coincides with the head end hinge point of the third connecting rod;
the tail end hinge point of the third connecting rod is overlapped with the head end hinge point of the first connecting rod on the other fixed seat, and the middle end hinge points of the two third connecting rods are overlapped;
the length between the head end hinge point and the tail end hinge point of the first connecting rod is equal to the length between the head end hinge point and the middle end hinge point of the third connecting rod, and the length between the head end hinge point and the tail end hinge point of the second connecting rod is equal to the length between the middle end hinge point and the tail end hinge point of the third connecting rod on the other fixed seat;
the display screen connecting device also comprises an angle adjusting mechanism, wherein the angle adjusting mechanism comprises a connecting sheet and a scale display sheet which can be mutually overlapped and fixed, and the connecting sheet and the scale display sheet are respectively fixed at the tops of the two fixing seats through two screw pins; the surface of the connecting sheet is provided with a positioning screw hole, the surface of the scale display sheet is provided with a through groove and an angle scale, the through groove is a plurality of arc structures connected end to end, and each arc structure corresponds to a corresponding preset angle; the angle scale is positioned on one side of the through groove, and the preset angle range of the angle scale is-15 degrees to +15 degrees.
5. The display screen connecting device according to claim 4, wherein the display screen connecting device is provided with long pins, the two ends of the fixing mechanism are respectively provided with the connecting mechanism, the corners of two sides of each fixing seat are respectively provided with a first through hole which is transversely penetrated, the two long pins respectively pass through the fixing mechanism in a matched manner with the two first through holes on the outer side of the fixing mechanism to connect the tail end hinge points of the first connecting rods and the head end hinge points of the second connecting rods on the two ends, and the other two long pins respectively pass through the fixing mechanism in a matched manner with the two first through holes on the inner side of the fixing mechanism to connect the head end hinge points of the first connecting rods and the tail end hinge points of the third connecting rods on the two ends so that the connecting mechanism is hinged on the fixing mechanism.
6. The display screen connecting device according to claim 4, wherein the end hinge point of the second connecting rod is movably connected with the head end hinge point of the third connecting rod through a short rivet, and the middle end hinge points of the two third connecting rods are movably connected through short rivets.
7. An LED display screen, comprising a display screen connecting device according to any one of claims 1 to 6, two LED display screen boxes and two LED display screen connectors, wherein the display screen connecting device is located between two LED display screen boxes, and two fixing seats on the display screen connecting device are respectively connected with the LED display screen boxes through one LED display screen connector.
8. The LED display screen of claim 7, wherein the fixing base is provided with a second through hole and a positioning hole on the outer side surface, the LED display screen connector comprises a body, a knob and a fastener, one end of the body, which is far away from the knob, is provided with a positioning column, one end of the fastener, which is far away from the body, is provided with a fixing block with the same shape as the second through hole, the fastener is sleeved with a spring and is sequentially fixed on the body and the knob through bolts, the positioning column is matched with the positioning hole, the fixing block penetrates through the second through hole, the fixing block is rotated to fix one end of the LED display screen connector to the fixing base, the other end of the LED display screen connector penetrates through the frame of the LED display screen box, and the knob is rotated to fix the LED display screen connector to the LED display screen box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990541.1A CN108799266B (en) | 2018-08-28 | 2018-08-28 | Display screen connecting device and LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN109764033B (en) * | 2019-03-29 | 2024-05-24 | 湖南新亚胜光电股份有限公司 | LED display screen connecting piece |
| CN110728922A (en) * | 2019-11-13 | 2020-01-24 | 湖南新亚胜光电股份有限公司 | Adjustable display screen, splicing type display device and radian adjusting method |
Citations (5)
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| CN102332230A (en) * | 2011-09-22 | 2012-01-25 | 深圳市洲明科技股份有限公司 | LED (light emitting diode) display screen connecting device and LED display screen |
| CN108150494A (en) * | 2018-02-07 | 2018-06-12 | 深圳市洲明科技股份有限公司 | Arc latch and the LED display with the arc latch |
| CN108150493A (en) * | 2018-02-07 | 2018-06-12 | 深圳市洲明科技股份有限公司 | Arc latch and the LED display with the arc latch |
| WO2018137347A1 (en) * | 2017-01-24 | 2018-08-02 | 深圳视爵光旭电子有限公司 | Device and led module for bending board |
| CN208778413U (en) * | 2018-08-28 | 2019-04-23 | 湖南新亚胜光电股份有限公司 | A kind of display screen attachment device and LED display |
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| DE20207036U1 (en) * | 2002-05-03 | 2003-09-18 | Lautenschlaeger Mepla Werke | Universal joint hinge |
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| CN102332230A (en) * | 2011-09-22 | 2012-01-25 | 深圳市洲明科技股份有限公司 | LED (light emitting diode) display screen connecting device and LED display screen |
| WO2018137347A1 (en) * | 2017-01-24 | 2018-08-02 | 深圳视爵光旭电子有限公司 | Device and led module for bending board |
| CN108150494A (en) * | 2018-02-07 | 2018-06-12 | 深圳市洲明科技股份有限公司 | Arc latch and the LED display with the arc latch |
| CN108150493A (en) * | 2018-02-07 | 2018-06-12 | 深圳市洲明科技股份有限公司 | Arc latch and the LED display with the arc latch |
| CN208778413U (en) * | 2018-08-28 | 2019-04-23 | 湖南新亚胜光电股份有限公司 | A kind of display screen attachment device and LED display |
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