CN117238216B - Radian adjustment mechanism and LED display device with same - Google Patents
Radian adjustment mechanism and LED display device with same Download PDFInfo
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- CN117238216B CN117238216B CN202311471484.3A CN202311471484A CN117238216B CN 117238216 B CN117238216 B CN 117238216B CN 202311471484 A CN202311471484 A CN 202311471484A CN 117238216 B CN117238216 B CN 117238216B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 66
- 210000001503 joint Anatomy 0.000 claims abstract description 31
- 239000011324 bead Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003032 molecular docking Methods 0.000 description 28
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention provides an arc adjusting mechanism and an LED display device with the same, wherein the arc adjusting mechanism comprises: the mounting seat is provided with a box body connecting part; the movable seat is movably arranged on the mounting seat along the first direction; the butt joint part is rotatably arranged on the movable seat and extends along a second direction perpendicular to the first direction relative to the rotation axis of the movable seat; the angle adjusting structure is arranged between the movable seat and the abutting part to adjust the included angle between the abutting part and the first direction; the position adjusting structure is arranged between the mounting seat and the movable seat to adjust the position of the movable seat relative to the mounting seat in the first direction. Through the technical scheme that this application provided, the radian among the correlation technique regulation structure's regulation precision is limited, influences the problem of the display effect of the LED display device that the radian was assembled.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to an radian adjusting mechanism and an LED display device with the same.
Background
At present, due to the excellent display effect and applicability, the LED display device is widely applied to industries such as stages, business models, advertisements, exhibitions and the like. Along with the development of the LED display device industry, the diversification of the LED display device is increasingly more, and the radian screen structure becomes a new requirement of people.
In the related art, in order to meet the requirement of arc assembly of an LED display device, the LED display device includes a plurality of cases, and an arc adjusting structure is disposed between the plurality of cases.
However, the radian adjustment structure in the related art has limited adjustment accuracy, which affects the display effect of the radian-assembled LED display device.
Disclosure of Invention
The invention provides an arc adjusting mechanism and an LED display device with the same, and aims to solve the problem that the adjusting precision of the arc adjusting mechanism in the related art is limited, and the display effect of the arc-spliced LED display device is affected.
According to one aspect of the present invention, there is provided an arc adjustment mechanism comprising: the mounting seat is provided with a box body connecting part; the movable seat is movably arranged on the mounting seat along the first direction; the butt joint part is rotatably arranged on the movable seat and extends along a second direction perpendicular to the first direction relative to the rotation axis of the movable seat; the angle adjusting structure is arranged between the movable seat and the abutting part to adjust the included angle between the abutting part and the first direction; the position adjusting structure is arranged between the mounting seat and the movable seat to adjust the position of the movable seat relative to the mounting seat in the first direction.
Further, the position adjustment structure includes: the adjusting rod is movably penetrated through the mounting seat along the first direction, and the first end of the adjusting rod is connected with the movable seat; the position locking piece is arranged between the adjusting rod and the mounting seat, and the position locking piece can limit the movement of the adjusting rod relative to the mounting seat along the first direction.
Further, the adjusting rod comprises an adjusting screw rod, the position adjusting structure further comprises an adjusting nut, the first end of the adjusting screw rod is connected with the movable seat, the adjusting screw rod is in rotation-stopping fit with the mounting seat, the position of the adjusting nut in the first direction is kept unchanged, the adjusting nut is sleeved on the adjusting screw rod, and the adjusting nut rotates to drive the adjusting screw rod to move along the first direction.
Further, the mount includes: the adjusting screw rod is movably penetrated in the base body along the first direction, the box body connecting part is arranged on one side of the base body facing the moving base, and the adjusting nut is arranged on one side of the base body facing away from the moving base; the limiting cover plate is arranged on one side, deviating from the base body, of the adjusting nut in a covering mode, the limiting cover plate is connected with the base body, and the second end of the adjusting screw rod movably penetrates out of the limiting cover plate along the first direction.
Further, adjusting screw includes screw rod section and spacing section, and adjusting nut cover is established on the screw rod section, and the first end of spacing section is connected with the removal seat, and the second end of spacing section is connected with the screw rod section, and the diameter of spacing section is greater than the external diameter of screw rod section, and adjusting nut can with the second end looks butt of spacing section.
Further, the seat body comprises a base plate and a guide sleeve arranged on one side, deviating from the movable seat, of the base plate, the guide sleeve extends along a first direction, and the limiting section movably penetrates through an inner hole of the guide sleeve along the first direction and is in guide fit with the inner hole of the guide sleeve.
Further, a plurality of position identification through holes are formed in the side wall of the guide sleeve and are arranged along the first direction, the position adjusting structure further comprises a first positioning bead arranged on the outer side wall of the limiting section, and the first positioning bead can correspond to one of the position identification through holes.
Further, the position locking piece comprises a locking nut, the locking nut is sleeved on the adjusting screw and is in threaded fit with the adjusting screw, the locking nut is located on one side, deviating from the movable seat, of the mounting seat, and the locking nut can be abutted to the mounting seat in the first direction.
Further, the angle adjusting structure includes: the angle adjusting plate is arranged on the outer side of the movable seat in the second direction, is connected with the butting part and synchronously rotates relative to the movable seat; the angle locking piece is arranged between the movable seat and the angle adjusting plate, and the angle locking piece can limit the rotation of the angle adjusting plate relative to the mounting seat.
Further, the angle adjusting structure further includes a connecting member including: the rotation stopping shaft section penetrates through the rotation stopping hole on the angle adjusting plate and is connected with the angle adjusting plate; the threaded shaft section penetrates through the threaded hole on the butt joint part and is in threaded fit with the threaded hole; the connecting shaft section is connected between the rotation stopping shaft section and the threaded shaft section, and the connecting shaft section rotatably penetrates through the hinge hole on the movable seat around the axis of the connecting shaft section.
Further, the angle adjusting plate comprises a first plate body and a second plate body, the first plate body and the second plate body are respectively positioned at two sides of the movable seat in the second direction, and the angle locking piece is arranged between the first plate body and the movable seat; the second plate body is provided with a plurality of angle identification through holes which are arranged in the rotation direction of the butt joint part relative to the movable seat, the angle adjusting structure also comprises a second positioning bead which is arranged on the outer side wall of the movable seat, and the second positioning bead can correspond to one of the plurality of angle identification through holes; the movable seat comprises a flat plate section and two connecting sections arranged on one side, deviating from the mounting seat, of the flat plate section, the connecting sections are perpendicular to the flat plate section, the two connecting sections are arranged at intervals in the second direction, and the butt joint part is rotationally connected with one end, deviating from the flat plate section, of the connecting sections.
Further, the butt joint part is provided with a lock hole in a penetrating way, and the extending direction of the lock hole is perpendicular to the second direction; and/or the box body connecting part comprises a plurality of mounting posts extending along the first direction, and the plurality of mounting posts are arranged on the outer sides of the movable seat and the abutting part in a surrounding mode.
According to another aspect of the present invention, there is provided an LED display device including: a plurality of boxes, each box comprising opposed first and second side beams; the arc adjusting mechanism is arranged on the first side beam of the box body, the moving direction of the moving seat of the arc adjusting mechanism is perpendicular to the first side beam, the rotating axis of the butt joint part of the arc adjusting mechanism is parallel to the first side beam, and the arc adjusting mechanism is provided by the arc adjusting mechanism.
Further, the LED display device further comprises a box body connecting lock arranged on the second side beam of the box body, wherein the box body connecting lock is correspondingly arranged with the radian adjusting mechanism, so that when a plurality of box bodies are connected, a lock column of the box body connecting lock can be locked with a butt joint part of the adjacent radian adjusting mechanism; at least two radian adjusting mechanisms which are arranged at intervals in the second direction are arranged on the box body.
By the aid of the technical scheme, the radian adjusting mechanism comprises the mounting seat, the movable seat, the abutting portion, the angle adjusting structure and the position adjusting structure, when two adjacent boxes are subjected to radian splicing, the plane where the first box is located is respectively parallel to the first direction and the second direction, the plane where the second box is located is parallel to the second direction, the two adjacent boxes are spliced in the first direction, the mounting seat is mounted in the first box by the aid of the box connecting portion, the abutting portion is located on one side, facing the second box, of the movable seat, the abutting portion is abutted against one side, facing the first box, of the second box by the aid of the abutting portion, the first direction is perpendicular to the second direction, the movable seat is movably arranged on the mounting seat in the first direction, the abutting portion is rotatably arranged on the movable seat, the abutting portion extends in the second direction relative to the rotation axis of the movable seat, an included angle between the abutting portion and the first direction is adjusted by the aid of the angle adjusting structure, the abutting portion is mounted in the first box by the aid of the box connecting portion, the abutting portion is located on one side, facing the second box, the first direction is opposite to the first direction, the LED is required to be spliced, the LED is mounted on the first direction, the LED is required to be spliced, the LED is mounted on the LED is required to be mounted, and the LED is mounted on the position is required to be adjusted, and is mounted on the LED is mounted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 shows a schematic diagram of an arc adjustment mechanism provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates an exploded view of an arc adjustment mechanism provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a side view of an arc adjustment mechanism provided in accordance with an embodiment of the present invention;
FIG. 4 illustrates a cross-sectional view of an arc adjustment mechanism provided in accordance with an embodiment of the present invention;
FIG. 5 illustrates a top view of an arc adjustment mechanism provided in accordance with an embodiment of the present invention;
FIG. 6 illustrates a cross-sectional view of another view of an arc adjustment mechanism provided in accordance with an embodiment of the present invention;
FIG. 7 illustrates a front view of an arc adjustment mechanism provided in accordance with an embodiment of the present invention;
FIG. 8 illustrates a side view of another view of an arc adjustment mechanism provided in accordance with an embodiment of the present invention;
fig. 9 shows a schematic structural diagram of an LED display device according to an embodiment of the present invention;
fig. 10 shows an exploded view of an LED display device provided according to an embodiment of the present invention;
fig. 11 shows a rear view of an LED display device provided according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a box connection lock of an LED display device with a locking boss in an unlocked state according to an embodiment of the present invention;
fig. 13 is a schematic structural view of a box connection lock of an LED display device with a locking boss in a locked state according to an embodiment of the present invention;
fig. 14 is a schematic structural view showing a case connection lock and an arc adjustment mechanism of an LED display device in which a locking boss is in a locked state according to an embodiment of the present invention;
FIG. 15 shows a cross-sectional view of a housing attachment lock and an arc adjustment mechanism of an LED display device with a locking boss in a locked state, according to an embodiment of the present invention;
fig. 16 shows a schematic structural diagram of an LED display device when a splicing angle of two adjacent boxes is 180 degrees according to an embodiment of the present invention;
fig. 17 is a partial cross-sectional view of an LED display device according to an embodiment of the present invention, in which a splicing angle of two adjacent cases is 180 degrees;
fig. 18 is a partial cross-sectional view of an LED display device according to an embodiment of the present invention, in which a splice angle of two adjacent cases is 175 degrees;
fig. 19 is a partial cross-sectional view of an LED display device according to an embodiment of the present invention, in which a splicing angle of two adjacent cases is 170 degrees;
fig. 20 is a partial cross-sectional view of an LED display device according to an embodiment of the present invention, in which a splicing angle of two adjacent cases is 165 degrees;
fig. 21 is a partial cross-sectional view of an LED display device according to an embodiment of the present invention, in which a splicing angle of two adjacent cases is 185 degrees;
fig. 22 shows a partial cross-sectional view of an LED display device provided according to an embodiment of the present invention when a splicing angle of two adjacent cases is 190 degrees;
fig. 23 shows a partial cross-sectional view of an LED display device provided according to an embodiment of the present invention when a splicing angle of two adjacent cases is 195 degrees.
Wherein the above figures include the following reference numerals:
10. a mounting base; 11. a box body connecting part; 111. a mounting column; 12. a base; 121. a substrate; 122. a guide sleeve; 1221. a position identification through hole; 13. a limit cover plate; 14. a rotation stopping rod;
20. a movable seat; 21. a hinge hole; 22. a plate section; 23. a connection section;
30. a butt joint part; 31. a threaded hole; 32. a lock hole;
40. an angle adjusting structure; 41. an angle adjusting plate; 411. a rotation stopping hole; 412. a first plate body; 413. a second plate body; 4131. an angle mark through hole; 414. a locking hole; 415. a spare hole; 42. an angle locking member; 43. a connecting piece; 431. a stop shaft section; 432. a threaded shaft section; 433. a connecting shaft section; 44. a second positioning bead;
50. a position adjustment structure; 51. an adjusting rod; 511. adjusting a screw; 5111. a screw section; 5112. a limiting section; 52. a position locking member; 521. a lock nut; 53. an adjusting nut; 54. a first positioning bead;
60. a case; 61. a first side member; 611. avoiding the notch; 62. a second side member; 621. avoidance holes;
70. an arc adjusting mechanism;
80. the box body is connected with a lock; 81. a lock base; 82. locking a column; 821. a column; 822. locking a neck; 823. a locking boss; 83. a lock button;
A. splicing angles of two adjacent boxes; x, a first direction; y, second direction.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 8, the embodiment of the present invention provides a radian adjustment mechanism, which includes a mounting base 10, a movable base 20, a docking portion 30, an angle adjustment structure 40, and a position adjustment structure 50, wherein the mounting base 10 has a box connection portion 11, the movable base 20 is movably disposed on the mounting base 10 along a first direction, the docking portion 30 is rotatably disposed on the movable base 20, the docking portion 30 extends along a second direction perpendicular to the first direction with respect to a rotation axis of the movable base 20, the angle adjustment structure 40 is disposed between the movable base 20 and the docking portion 30 to adjust an included angle between the docking portion 30 and the first direction, and the position adjustment structure 50 is disposed between the mounting base 10 and the movable base 20 to adjust a position of the movable base 20 with respect to the mounting base 10 in the first direction.
The radian adjustment mechanism that the embodiment provided is being used, when two adjacent boxes carry out the radian concatenation, make first box place plane parallel with first direction and second direction respectively, second box place plane parallel with the second direction, and splice two adjacent boxes in first direction, utilize box connecting portion 11 to install mount pad 10 in first box, make docking portion 30 be located the one side towards the second box of moving seat 20, thereby can utilize docking portion 30 and one side towards first box of second box to dock mutually, because first direction is perpendicular with the second direction, moving seat 20 sets up on mount pad 10 along first direction is movable, docking portion 30 rotationally sets up on moving seat 20, thereby can utilize angle adjustment structure 40 to adjust the contained angle between docking portion 30 and the first direction, with change the angle between first box and the second box and satisfy the one side towards the first box of moving seat 20, and the adjustment mechanism is being used to change the LED and splice the demand of LED and splice the radian adjustment mechanism is being assembled to the first direction, and the adjustment mechanism is being used to change the LED and the adjustment mechanism is being assembled to the radian adjustment position is being improved to the first direction, the LED is being used to change the adjustment mechanism is being assembled to the LED (light-emitting diode) is being used to change the demand for the LED.
And, adopt position adjustment structure 50 to adjust the position of moving seat 20 in first direction for mount pad 10, can also compensate radian adjustment mechanism's structural error, assembly error and operation error for the location between the box of adjacent two radians concatenation is accurate, splice precision is high and stability is strong.
Specifically, as shown in fig. 17 to 23, when the splicing angle between the first casing and the second casing is gradually increased, the splicing gap between the first casing and the second casing is increased without changing the position of the abutting portion 30 in the first direction with respect to the mount 10. In this embodiment, when the splicing angle between the first box and the second box increases gradually, the butt joint portion moves towards the direction away from the second box along the first direction relative to the mounting seat, so that the splicing gap between the first box and the second box is shortened, the adjustment precision of the radian adjusting mechanism is improved, and the display effect of the radian-spliced LED display device is improved.
It should be noted that, the butt joint portion 30 is used to butt-joint with one side of the second case facing the first case, and includes the following two structures:
(1) The abutting portion 30 abuts directly against one side of the second casing facing the first casing: a connecting structure is arranged between the first box body and the second box body, the first box body is connected with the second box body through the connecting structure, and when the connecting structure is used for connecting the first box body and the second box body, the butt joint part 30 is abutted with the outer side wall, facing the first box body, of the second box body;
(2) The abutting portion 30 is indirectly abutted with one side of the second case facing the first case: a box connecting lock is arranged between the first box and the second box, and the box connecting lock is arranged on the second box and corresponds to the radian adjusting structure, so that when the first box is connected with the second box, a lock column of the box connecting lock can be connected with the butt joint part 30.
As shown in fig. 1, the position adjusting structure 50 includes an adjusting lever 51 movably penetrating the mount 10 in a first direction, a first end of the adjusting lever 51 being connected to the moving mount 20, and a position locking member 52 disposed between the adjusting lever 51 and the mount 10, the position locking member 52 being capable of restricting movement of the adjusting lever 51 relative to the mount 10 in the first direction. The position locking piece 52 is unlocked, the adjusting rod 51 is moved along the first direction, so that the adjusting rod 51 drives the movable seat 20 and the butting portion 30 to move relative to the mounting seat 10 in the first direction, after the butting portion 30 moves to a proper position, the position locking piece 52 is locked, the position locking piece 52 is used for limiting the movement of the adjusting rod 51, and the position reliability and stability of the butting portion 30 are improved.
The movement of the movable base 20 and the docking portion 30 can be guided by the adjustment lever 51, so that the docking portion 30 can be reliably docked with the second housing.
The adjusting lever 51 may have a rod structure such as a screw, a rack, or a polish rod.
As shown in fig. 1, the adjusting rod 51 includes an adjusting screw 511, the position adjusting structure 50 further includes an adjusting nut 53, a first end of the adjusting screw 511 is connected with the moving seat 20, the adjusting screw 511 is in rotation-proof fit with the mounting seat 10, the position of the adjusting nut 53 in the first direction is kept unchanged, the adjusting nut 53 is sleeved on the adjusting screw 511, and the adjusting nut 53 rotates to drive the adjusting screw 511 to move along the first direction. By rotating the adjustment nut 53 to drive the adjustment screw 511 to move in the first direction, the movement accuracy of the adjustment lever 51 can be improved, so that the adjustment accuracy of the position adjustment structure can be improved.
It should be noted that, the adjusting screw 511 is in anti-rotation fit with the mounting base 10, and includes the following two structures:
(1) The adjusting screw 511 is in direct rotation-stopping fit with the mounting seat 10 (for example, a rotation-stopping boss is arranged on the adjusting screw 511, a rotation-stopping groove extending along a first direction is arranged on the mounting seat 10, and the rotation-stopping boss movably extends into the rotation-stopping groove along the first direction);
(2) The adjusting screw 511 is provided with an indirect rotation-stopping fit with the mounting seat 10 (for example, the mounting seat 10 is provided with a rotation-stopping rod extending along a first direction, the rotation-stopping rod and the adjusting screw 511 are arranged at intervals in a direction perpendicular to the first direction, and the moving seat 20 is movably sleeved on the rotation-stopping rod along the first direction).
Specifically, in the present embodiment, two check rods 14 are disposed on the mounting base 10, the check rods 14 extend along a first direction, the adjusting screw 511 and the two check rods 14 are disposed at intervals in a direction perpendicular to the first direction, and the moving base 20 is movably sleeved on the check rods 14 along the first direction.
As shown in fig. 1, the mounting seat 10 includes a seat body 12 and a limiting cover plate 13, the adjusting screw 511 movably penetrates through the seat body 12 along a first direction, the box body connecting portion 11 is arranged on one side of the seat body 12 facing the moving seat 20, the adjusting nut 53 is located on one side of the seat body 12 facing away from the moving seat 20, the limiting cover plate 13 is arranged on one side of the adjusting nut 53 facing away from the seat body 12, the limiting cover plate 13 is connected with the seat body 12, and a second end of the adjusting screw 511 movably penetrates out of the limiting cover plate 13 along the first direction. Since the adjusting nut is sandwiched between the limiting cover 13 and the base 12, the position of the adjusting nut 53 in the first direction can be limited by the limiting cover 13 and the base 12, and the adjusting nut 53 can be easily maintained and replaced from the interval between the limiting cover 13 and the base 12.
Specifically, the limiting cover plate 13 is detachably connected with the base 12, so that the adjusting nut 53 and the limiting cover plate 13 can be maintained and replaced conveniently.
As shown in fig. 2, the adjusting screw 511 includes a screw section 5111 and a limit section 5112, the adjusting nut 53 is sleeved on the screw section 5111, a first end of the limit section 5112 is connected with the movable seat 20, a second end of the limit section 5112 is connected with the screw section 5111, a diameter of the limit section 5112 is larger than an outer diameter of the screw section 5111, and the adjusting nut 53 can be abutted to the second end of the limit section 5112. By the abutting engagement of the adjustment nut 53 and the stopper 5112, the movement of the adjustment screw 511 with respect to the mount 10 can be limited in stroke.
As shown in fig. 1, the base 12 includes a base 121 and a guide sleeve 122 disposed on a side of the base 121 facing away from the moving seat 20, where the guide sleeve 122 extends along a first direction, and the limiting segment 5112 movably penetrates through an inner hole of the guide sleeve 122 along the first direction and is in guiding fit with the inner hole of the guide sleeve 122. By means of the guiding fit between the limit segments 5112 and the inner bore of the guide sleeve 122, the reliability of the adjustment direction of the position adjustment structure can be improved.
As shown in fig. 1 and 2, the sidewall of the guide sleeve 122 is provided with a plurality of position identification through holes 1221 aligned along the first direction, and the position adjusting structure 50 further includes a first positioning bead 54 disposed on the outer sidewall of the limiting segment 5112, and the first positioning bead 54 can correspond to one of the plurality of position identification through holes 1221. With the first positioning bead 54 corresponding to one of the plurality of position identifying through holes 1221, the position of the movable seat 20 relative to the mount 10 in the first direction can be identified, facilitating accurate adjustment.
As shown in fig. 1, the position locking member 52 includes a lock nut 521, the lock nut 521 is sleeved on the adjusting screw 511 and is in threaded engagement with the adjusting screw 511, the lock nut 521 is located on a side of the mount 10 facing away from the movable seat 20, and the lock nut 521 can abut against the mount 10 in the first direction. By rotating the lock nut 521, the relative position of the lock nut 521 and the mount 10 in the first direction is changed to change the locking state of the lock nut 521 to the adjustment screw 511, so that the position lock 52 is easy to operate, low in cost, and reliable.
In the present embodiment, the adjusting nut 53 and the locking nut 521 are employed, and since both belong to the nut structures, the operating tools of both can be used in common.
As shown in fig. 2, the angle adjusting structure 40 includes an angle adjusting plate 41 and an angle locking piece 42, the angle adjusting plate 41 is disposed on the outer side of the movable base 20 in the second direction, the angle adjusting plate 41 is connected with the docking portion 30, the angle adjusting plate 41 rotates synchronously with the docking portion 30 with respect to the movable base 20, the angle locking piece 42 is disposed between the movable base 20 and the angle adjusting plate 41, and the angle locking piece 42 can restrict rotation of the angle adjusting plate 41 with respect to the mount base 10. The angle locking piece 42 is unlocked, the angle adjusting plate 41 is shifted around the rotation axis of the docking portion 30, the angle adjusting plate 41 drives the docking portion 30 to rotate, after the docking portion 30 rotates to a proper angle, the angle locking piece 42 is locked, the angle locking piece 42 is used for limiting the rotation of the angle adjusting plate 41 and the docking portion 30 relative to the mounting seat 10, and the angle reliability and stability of the docking portion 30 are improved.
The rotation of the angle adjustment plate 41 and the docking portion 30 relative to the movable base 20 is synchronous, and it means that the angle adjustment plate 41 and the docking portion 30 rotate at the same speed relative to the movable base 20, and the rotation axis of the angle adjustment plate 41 and the docking portion 30 relative to the movable base 20 are collinear.
As shown in fig. 2, the angle adjusting plate 41 is provided with a standby hole 415 and a plurality of locking holes 414, the plurality of locking holes 414 are aligned in a rotation direction of the docking portion 30 with respect to the movable base 20, the movable base 20 is provided with locking holes that can be aligned with one of the plurality of locking holes 414, the angle locking piece 42 is inserted into the locking hole and the locking hole 414 aligned with the locking hole and connected with the movable base 20, or the angle locking piece 42 is inserted into the standby hole 415 and connected with the angle adjusting plate 41. When the angle adjusting plate 41 rotates, the angle locking piece 42 is inserted into the standby hole 415 and connected with the angle adjusting plate 41, so that the angle locking piece 42 is prevented from being lost, when the angle adjusting plate 41 drives the abutting portion 30 to rotate to a proper angle, the locking hole is aligned with one of the locking holes 414, the angle locking piece 42 is inserted into the locking hole and the locking hole 414 aligned with the locking hole and connected with the movable seat 20, and the locking of the angle adjusting plate 41 is easy to operate, low in cost and reliable.
As shown in fig. 2, the angle adjusting structure 40 further includes a connecting member 43, where the connecting member 43 includes a rotation stopping shaft section 431, a threaded shaft section 432, and a connecting shaft section 433, where the rotation stopping shaft section 431 is disposed through the rotation stopping hole 411 on the angle adjusting plate 41 and connected to the angle adjusting plate 41, the threaded shaft section 432 is disposed through the threaded hole 31 on the docking portion 30 and is in threaded engagement with the threaded hole 31, the connecting shaft section 433 is connected between the rotation stopping shaft section 431 and the threaded shaft section 432, and the connecting shaft section 433 is rotatably disposed through the hinge hole 21 on the movable base 20 around its axis. By the rotation stop fit of the rotation stop shaft section 431 and the rotation stop hole 411 and the screw connection of the screw shaft section 432 and the screw hole 31, the rotation synchronism between the angle adjusting plate 41 and the abutting portion 30 can be improved, and replacement and maintenance of the angle adjusting plate 41, the connecting piece 43 or the abutting portion 30 can be facilitated.
In the present embodiment, the rotation stopping shaft section 431 and the rotation stopping hole 411 each adopt a square cross section.
As shown in fig. 2, the angle adjusting plate 41 includes a first plate 412 and a second plate 413, the first plate 412 and the second plate 413 are respectively located at both sides of the movable base 20 in the second direction, and the angle locking member 42 is disposed between the first plate 412 and the movable base 20. Since the first plate 412 and the second plate 413 are respectively located at two sides of the movable base 20 in the second direction, the first plate 412 and the second plate 413 are respectively connected with two ends of the docking portion 30 in the second direction, so that the docking portion 30 rotates stably, and the docking portion 30 is prevented from twisting.
As shown in fig. 2, the second plate 413 is provided with a plurality of angle indicating through holes 4131 aligned in a rotation direction of the docking portion 30 with respect to the movable base 20, and the angle adjusting structure 40 further includes a second positioning bead 44 provided on an outer sidewall of the movable base 20, the second positioning bead 44 being able to correspond to one of the plurality of angle indicating through holes 4131. The second positioning bead 44 corresponds to one of the plurality of angle marking through holes 4131, so that an included angle between the abutting portion 30 and the first direction can be marked, and accurate adjustment is facilitated.
In this embodiment, the plurality of angle identification through holes 4131 and the plurality of position identification through holes 1221 are in one-to-one correspondence, so that after the angle between the abutting portion 30 and the first direction is changed, the abutting portion 30 can be quickly moved to the position corresponding to the current angle, and after that, the position of the abutting portion 30 can be finely adjusted by using the position adjusting structure 50 according to the structural error and the assembly error of the radian adjusting mechanism.
The number of the angle identifying through holes 4131 and the position identifying through holes 1221, the spacing between the plurality of angle identifying through holes 4131, and the spacing between the plurality of position identifying through holes 1221 can be adjusted according to specific use requirements.
In the present embodiment, the number of the angle identification through holes 4131 and the number of the position identification through holes 1221 are 7, and the splicing angles a of two adjacent cases corresponding to the 7 angle identification through holes 4131 are 165 °, 170 °, 175 °, 180 °, 185 °, 190 °, and 195 °, respectively.
As shown in fig. 2, the movable base 20 includes a flat plate section 22 and two connection sections 23 disposed on a side of the flat plate section 22 facing away from the mounting base 10, the connection sections 23 are perpendicular to the flat plate section 22, the two connection sections 23 are disposed at intervals in a second direction, and the abutting portion 30 is rotatably connected with one end of the connection section 23 facing away from the flat plate section 22. The movable seat with the above structure can utilize the space enclosed by the flat plate section 22 and the two connecting sections 23 to avoid the rotation of the butt joint part 30, and reduce the overall size of the movable seat 20.
As shown in fig. 1, the abutting portion 30 is provided with a lock hole 32 in a penetrating manner, and an extending direction of the lock hole 32 is perpendicular to the second direction. The box connecting lock is arranged on the second box and corresponds to the radian adjusting structure, and when the first box is connected with the second box, a lock column of the box connecting lock can penetrate through the lock hole 32 and is connected with the butt joint part 30.
As shown in fig. 2, the case connecting portion 11 includes a plurality of mounting posts 111 extending in the first direction, and the plurality of mounting posts 111 are enclosed outside the movable base 20 and the abutting portion 30. The plurality of mounting posts 111 are arranged on the outer sides of the movable seat 20 and the butt joint part 30 in a surrounding manner, so that the working conditions of the movable seat 20 and the butt joint part 30 can be conveniently observed, and the connection reliability of the box body connecting part 11 and the first box body is improved.
As shown in fig. 9 to 23, another embodiment of the present invention provides an LED display device, which includes a radian adjustment mechanism 70 and a plurality of cases 60, each case 60 including opposite first and second side beams 61 and 62, the radian adjustment mechanism 70 being disposed on the first side beam 61 of the case 60, the moving direction of the moving base 20 of the radian adjustment mechanism 70 being perpendicular to the first side beam 61, the rotation axis of the docking portion 30 of the radian adjustment mechanism 70 being parallel to the first side beam 61, the radian adjustment mechanism 70 being the radian adjustment mechanism provided above.
When two adjacent box bodies 60 are subjected to radian splicing, the first side beam 61 of the first box body 60 faces the second side beam 62 of the second box body 60, the box body connecting part 11 is used for mounting the mounting seat 10 on the first side beam 61 of the first box body 60, and the butt joint part 30 is located on one side of the movable seat 20, which faces the second box body 60, so that the butt joint part 30 and one side of the second box body, which faces the first box body, can be used for butt joint, the moving direction of the movable seat 20 is perpendicular to the first side beam 61, the rotating axis of the butt joint part 30 is parallel to the first side beam 61, the movable seat 20 is movably arranged on the mounting seat 10 along the first direction, the butt joint part 30 is rotatably arranged on the movable seat 20, and accordingly the included angle between the butt joint part 30 and the first direction can be adjusted by using the angle adjusting structure 40, the splicing included angle between the first box body 60 and the second box body 60 is changed, the requirement of the radian of an LED display device is met, the moving direction of the butt joint part 30 and the first box body can be adjusted by using the position of the first box body to change, the accuracy of the LED display device can be improved, and the accuracy of the display device can be improved relative to the first direction of the LED display device can be adjusted, and the accuracy of the display device can be improved.
The first direction refers to the movement direction of the movable base 20, and the second direction refers to the extending direction of the rotation axis of the abutting portion 30.
As shown in fig. 10, the mounting seat 10 is located on a side of the first side beam 61 of the first box 60 facing away from the second box 60, and the first side beam 61 is provided with a relief notch 611 for relieving the abutting portion 30, so that the abutting portion 30 can abut against the second side beam 62 of the second box 60 through the relief notch 611.
The abutting portion 30 abuts against the second side beam 62 of the second case 60 through the avoiding notch 611, and includes the following two structures:
(1) The abutting portion 30 extends from the escape notch 611 and abuts directly against the second side member 62 of the second case 60: a connecting structure is arranged between the first box body 60 and the second box body 60, the first box body 60 and the second box body 60 are connected through the connecting structure, and when the connecting structure connects the first box body 60 and the second box body 60, the butt joint part 30 extends out of the avoidance notch 611 and is abutted against the outer side wall of the second side beam 62 of the second box body 60;
(2) The abutting portion 30 indirectly abuts against the second side member 62 of the second case: a box connection lock is arranged between the first box 60 and the second box 60, and the box connection lock is arranged on the second box 60 and corresponds to the radian adjusting structure, so that when the first box 60 and the second box 60 are connected, a lock column of the box connection lock is connected with the butt joint part 30 through the avoidance notch 611.
As shown in fig. 10, the LED display device further includes a case connection lock 80 provided on the second side beam 62 of the case 60, the case connection lock 80 being provided corresponding to the arc adjustment mechanism 70 such that the lock post 82 of the case connection lock 80 can be locked with the abutting portion 30 of the adjacent arc adjustment mechanism 70 when the plurality of cases 60 are connected.
As shown in fig. 12 and 13, the box-connecting lock 80 includes a lock seat 81, a lock post 82, and a lock button 83, the lock seat 81 is provided on the second side member 62, the lock post 82 is rotatably provided around the axis thereof and is movably penetrated through the lock seat 81 along the axis thereof, the extending direction of the lock post 82 is perpendicular to the second side member 62, the first end of the lock post 82 penetrates out of the second side member 62, the lock post 82 includes a cylinder 821, a lock neck 822, and a lock boss 823 which are coaxially provided and are sequentially connected, the cylinder 821 is rotatably provided around the axis thereof and is movably penetrated through the lock seat 81 along the axis thereof, the diameter of the lock neck 822 is smaller than the diameter of the cylinder 821, the lock neck 822 is penetrated through the lock hole 32 on the abutting portion 30, and the lock boss 823 has a locked state abutting against the side of the abutting portion 30 facing away from the lock seat 81 and an unlocked state separated from the side of the abutting portion 30 facing away from the lock seat 81.
Specifically, the lock seat 81 is disposed on a side of the second side beam 62 of the second box 60 facing away from the first box 60, the lock post 82 is pushed toward the first box 60, the lock neck 822 is made to pass through the lock hole 32, the locking boss 823 passes through the lock hole 32, ninety degrees of rotation of the lock post 82 around the axis of the lock post 82 is made to abut against the side of the abutting portion 30 facing away from the lock seat 81, and abutting of the abutting portion 30 and the second side beam 62 of the second box 60 is completed.
As shown in fig. 11, the first side member 61 is provided with a relief notch 611 for relieving the abutting portion 30, and the second side member 62 is provided with a relief hole 621 for relieving the lock post 82.
As shown in fig. 10, at least two radian adjusting mechanisms 70 are arranged on the box body 60 at intervals in the second direction, so that accuracy and stability of radian splicing between two adjacent radian spliced box bodies 60 are improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An arc adjustment mechanism, characterized in that the arc adjustment mechanism comprises:
a mounting base (10) having a case connecting portion (11);
a moving seat (20) movably arranged on the mounting seat (10) along a first direction;
a butt joint part (30) rotatably arranged on the movable seat (20), wherein the butt joint part (30) extends along a second direction perpendicular to the first direction relative to the rotation axis of the movable seat (20);
an angle adjusting structure (40) arranged between the movable seat (20) and the abutting portion (30) for adjusting an included angle between the abutting portion (30) and the first direction;
a position adjustment structure (50) disposed between the mount (10) and the mobile seat (20) to adjust a position of the mobile seat (20) relative to the mount (10) in the first direction;
the position adjustment structure (50) comprises:
the adjusting rod (51) is movably arranged on the mounting seat (10) in a penetrating manner along the first direction, and the first end of the adjusting rod (51) is connected with the movable seat (20);
a position locking member (52) disposed between the adjustment lever (51) and the mount (10), the position locking member (52) being capable of restricting movement of the adjustment lever (51) relative to the mount (10) in the first direction;
the angle adjustment structure (40) comprises:
an angle adjustment plate (41) disposed outside the movable base (20) in the second direction, the angle adjustment plate (41) being connected to the abutting portion (30), the angle adjustment plate (41) and the abutting portion (30) being rotated in synchronization with each other with respect to the movable base (20);
an angle locking member (42) disposed between the movable seat (20) and the angle adjustment plate (41), the angle locking member (42) being capable of restricting rotation of the angle adjustment plate (41) relative to the mount (10);
when the position locking piece (52) and the angle locking piece (42) are unlocked, the adjusting rod (51) is moved along the first direction, the adjusting rod (51) can drive the movable seat (20) to drive the abutting part (30) to move along the first direction relative to the mounting seat (10), and the adjusting rod (51) can also drive the abutting part (30) to drive the angle adjusting plate (41) to synchronously rotate relative to the movable seat (20).
2. The arc adjusting mechanism according to claim 1, wherein the adjusting rod (51) comprises an adjusting screw (511), the position adjusting structure (50) further comprises an adjusting nut (53), a first end of the adjusting screw (511) is connected with the moving seat (20), the adjusting screw (511) is in rotation-stopping fit with the mounting seat (10), the position of the adjusting nut (53) in the first direction is kept unchanged, the adjusting nut (53) is sleeved on the adjusting screw (511), and the adjusting nut (53) rotates to drive the adjusting screw (511) to move along the first direction.
3. The arc adjustment mechanism according to claim 2, characterized in that the mount (10) comprises:
the adjusting screw (511) is movably arranged on the base (12) in a penetrating manner along the first direction, the box body connecting part (11) is arranged on one side of the base (12) facing the movable seat (20), and the adjusting nut (53) is arranged on one side of the base (12) facing away from the movable seat (20);
the limiting cover plate (13) is covered on one side, deviating from the base body (12), of the adjusting nut (53), the limiting cover plate (13) is connected with the base body (12), and the second end of the adjusting screw (511) movably penetrates out of the limiting cover plate (13) along the first direction.
4. The radian adjustment mechanism according to claim 3, wherein the adjustment screw (511) comprises a screw section (5111) and a limit section (5112), the adjustment nut (53) is sleeved on the screw section (5111), a first end of the limit section (5112) is connected with the movable seat (20), a second end of the limit section (5112) is connected with the screw section (5111), the diameter of the limit section (5112) is larger than the outer diameter of the screw section (5111), and the adjustment nut (53) can be abutted with a second end of the limit section (5112).
5. The radian adjustment mechanism according to claim 4, wherein the base body (12) comprises a base plate (121) and a guide sleeve (122) arranged on one side of the base plate (121) facing away from the movable base (20), the guide sleeve (122) extends along the first direction, and the limiting section (5112) movably penetrates through an inner hole of the guide sleeve (122) along the first direction and is in guide fit with the inner hole of the guide sleeve (122).
6. The arc adjustment mechanism of claim 5, wherein a plurality of position identification through holes (1221) aligned in the first direction are provided in a sidewall of the guide sleeve (122), and the position adjustment structure (50) further comprises a first positioning bead (54) provided on an outer sidewall of the limit segment (5112), the first positioning bead (54) being capable of corresponding to one of the plurality of position identification through holes (1221).
7. The arc adjustment mechanism according to any one of claims 2 to 6, characterized in that the position locking member (52) comprises a locking nut (521), the locking nut (521) being sleeved on the adjustment screw (511) and being in threaded engagement with the adjustment screw (511), the locking nut (521) being located on a side of the mounting base (10) facing away from the moving base (20), the locking nut (521) being capable of being abutted with the mounting base (10) in the first direction.
8. The arc adjustment mechanism of claim 1, wherein the angle adjustment structure (40) further comprises a connector (43), the connector (43) comprising:
a rotation stopping shaft section (431) which penetrates through a rotation stopping hole (411) on the angle adjusting plate (41) and is connected with the angle adjusting plate (41);
a threaded shaft section (432) which is inserted into a threaded hole (31) in the abutting section (30) and is in threaded engagement with the threaded hole (31);
the connecting shaft section (433) is connected between the stopping shaft section (431) and the threaded shaft section (432), and the connecting shaft section (433) rotatably penetrates through the hinge hole (21) on the movable seat (20) around the axis of the connecting shaft section.
9. The arc adjustment mechanism of claim 1, wherein,
the angle adjusting plate (41) comprises a first plate body (412) and a second plate body (413), the first plate body (412) and the second plate body (413) are respectively positioned at two sides of the movable seat (20) in the second direction, and the angle locking piece (42) is arranged between the first plate body (412) and the movable seat (20);
the second plate body (413) is provided with a plurality of angle identification through holes (4131) which are arranged in the rotation direction of the abutting part (30) relative to the movable seat (20), the angle adjusting structure (40) further comprises a second positioning bead (44) arranged on the outer side wall of the movable seat (20), and the second positioning bead (44) can correspond to one of the plurality of angle identification through holes (4131);
the movable seat (20) comprises a flat plate section (22) and two connecting sections (23) arranged on one side, deviating from the mounting seat (10), of the flat plate section (22), the connecting sections (23) are perpendicular to the flat plate section (22), the two connecting sections (23) are arranged at intervals in the second direction, and the abutting part (30) is rotationally connected with one end, deviating from the flat plate section (22), of the connecting sections (23).
10. The arc adjustment mechanism according to any one of claims 1 to 6,
the butt joint part (30) is provided with a lock hole (32) in a penetrating manner, and the extending direction of the lock hole (32) is perpendicular to the second direction; and/or the number of the groups of groups,
the box body connecting portion (11) comprises a plurality of mounting posts (111) extending along the first direction, and the plurality of mounting posts (111) are arranged on the outer sides of the movable seat (20) and the abutting portion (30) in a surrounding mode.
11. An LED display device, comprising:
a plurality of boxes (60), each of said boxes (60) comprising opposed first (61) and second (62) side beams;
the radian adjustment mechanism (70) is arranged on a first side beam (61) of the box body (60), the moving direction of a moving seat (20) of the radian adjustment mechanism (70) is perpendicular to the first side beam (61), the rotating axis of a butt joint part (30) of the radian adjustment mechanism (70) is parallel to the first side beam (61), and the radian adjustment mechanism (70) is the radian adjustment mechanism according to any one of claims 1 to 10.
12. The LED display device of claim 11, wherein the LED display device comprises,
the LED display device further comprises a box body connecting lock (80) arranged on the second side beam (62) of the box body (60), wherein the box body connecting lock (80) is correspondingly arranged with the radian adjusting mechanism (70), so that when a plurality of box bodies (60) are connected, a lock column (82) of the box body connecting lock (80) can be locked with a butt joint part (30) of the adjacent radian adjusting mechanism (70);
at least two radian adjusting mechanisms (70) which are arranged at intervals in the second direction are arranged on the box body (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311471484.3A CN117238216B (en) | 2023-11-07 | 2023-11-07 | Radian adjustment mechanism and LED display device with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311471484.3A CN117238216B (en) | 2023-11-07 | 2023-11-07 | Radian adjustment mechanism and LED display device with same |
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| CN117238216A CN117238216A (en) | 2023-12-15 |
| CN117238216B true CN117238216B (en) | 2024-03-26 |
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| CN117238216A (en) | 2023-12-15 |
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