CN113674634B - LED display screen - Google Patents
LED display screen Download PDFInfo
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- CN113674634B CN113674634B CN202110792174.6A CN202110792174A CN113674634B CN 113674634 B CN113674634 B CN 113674634B CN 202110792174 A CN202110792174 A CN 202110792174A CN 113674634 B CN113674634 B CN 113674634B
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- 230000008093 supporting effect Effects 0.000 claims description 20
- 239000011324 bead Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of display, in particular to an LED display screen. The box installation lockpin of first LED display screen, the box installation back of the body frame of LED display screen, first lock handle card is gone into the second bayonet socket, and the locking hole in the lockpin is inserted to first lock axle, and when the fourth bayonet socket was gone into to second lock handle card, the locking hole in the lockpin was inserted to the second lock axle, was dismantled and assembled through the plug mode, easy operation, save time, and it is complicated to adopt bolted connection mode to make the dismouting, the problem consuming time is many when two LED display screens splice to solve.
Description
Technical Field
The invention relates to the technical field of display, in particular to an LED display screen.
Background
At present, when two LED display screens are spliced, most of the LED display screens are in threaded connection by using bolts, but in a bolt splicing mode, the disassembly and assembly are complex, and the time consumption is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a lock pin, which aims to solve the problems that when two LED display screens are spliced, the disassembly and the assembly are complex and the time is long by adopting a bolt connection mode.
The technical scheme provided by the invention is as follows:
the LED display screen comprises a box body, wherein the box body is provided with a back frame, and the back frame comprises a left support rod assembly, a right support rod assembly and a middle support rod assembly;
the left support rod assembly comprises a first support rod, a first connecting block and a first lock body, wherein the first connecting block is connected with one end of the first support rod, and the first connecting block is arranged on the upper side wall of the box body;
the first lock body comprises a first lock body, a first lock shaft and a first lock handle, the first lock body is connected with the other end of the first support rod, the first lock body is arranged on the lower side wall of the box body, the first lock body is provided with a first groove, a first transverse hole and a first longitudinal hole, the first transverse hole penetrates through the bottom of the first groove, the first transverse hole is communicated with the first longitudinal hole, the first lock shaft is inserted into the first transverse hole, the first lock handle penetrates through the first groove and is connected with the first lock shaft, a first bayonet and a second bayonet are arranged on the side wall of the first groove, the first longitudinal hole is used for allowing a lock pin in the box body of the first LED display screen to be inserted, when the first lock handle is clamped into the second bayonet, the first lock shaft is inserted into a locking hole in the lock pin arranged in the first longitudinal hole, and when the first lock handle is clamped into the first bayonet, the first lock shaft is withdrawn from the longitudinal hole in the first locking pin;
the right support rod assembly comprises a second support rod, a second connecting block and a second lock body, wherein the second connecting block is connected with one end of the second support rod, and the second connecting block is arranged on the upper side wall of the box body;
the second lock body comprises a second lock body, a second lock shaft and a second lock handle, the second lock body is connected with the other end of the second support rod, the second lock body is arranged on the lower side wall of the box body, the second lock body is provided with a second groove, a second transverse hole and a second longitudinal hole, the second transverse hole penetrates through the bottom of the second groove, the second transverse hole is communicated with the second longitudinal hole, the second lock shaft is inserted into the second transverse hole, the second lock handle penetrates through the second groove and is connected with the second lock shaft, a third bayonet and a fourth bayonet are arranged on the side wall of the second groove, the second longitudinal hole is used for allowing a lock pin in the box body of the first LED display screen to be inserted, when the second lock handle is clamped into the fourth bayonet, the second lock shaft is inserted into a locking hole in the lock pin arranged in the second longitudinal hole, and when the second lock handle is clamped into the third bayonet, the second lock shaft is withdrawn from the longitudinal hole in the second locking hole;
the left support rod assembly comprises a first connecting rod and a second connecting rod, the right support rod assembly comprises a right connecting rod and a first rotating mechanism, one end of the first connecting rod is connected with the first connecting block, the other end of the first connecting rod is connected with the middle support rod assembly, one end of the second connecting rod is connected with the first lock body, the other end of the second connecting rod is connected with the middle support rod assembly, the first rotating mechanism is arranged on the second support rod and is located between the second connecting block and the second lock body, one end of the right connecting rod is connected with the first rotating mechanism, and the other end of the right connecting rod is connected with the middle support rod assembly.
Further, the left support rod assembly comprises a first rotating block and a first rotating shaft, the first lock body is provided with a first rotating groove, a fourth clamping groove and a first rotating hole, the first rotating hole is communicated with the first rotating groove, the fourth clamping groove is formed in the side wall of the first rotating groove and corresponds to the first rotating hole, the first rotating block comprises a first inserting portion and a first connecting portion, the first inserting portion is provided with a first shaft hole, the first inserting portion is inserted into the first rotating groove, the first rotating shaft is connected with the first rotating hole, the fourth clamping groove is inserted through the first shaft hole, and one end of the first connecting rod is connected with the first connecting portion.
Further, the first connecting portion is provided with a first indexing pin, the first lock body is provided with a first rotary clamping groove and a second rotary clamping groove, when the first rotary block rotates to a first rotary position, the first indexing pin is clamped into the first rotary clamping groove, and when the first rotary block rotates to a second rotary position, the first indexing pin is clamped into the second rotary clamping groove.
Further, the left support rod assembly comprises a second rotating block and a second rotating shaft, the first connecting block is provided with a second rotating groove, a fifth clamping groove and a second rotating hole, the second rotating hole is communicated with the second rotating groove, the fifth clamping groove is formed in the side wall of the second rotating groove and corresponds to the second rotating hole, the second rotating block comprises a second inserting portion and a second connecting portion, the second inserting portion is provided with a second shaft hole, the second inserting portion is inserted into the second rotating groove, the second rotating shaft is connected with the second rotating hole, the fifth clamping groove is inserted through the second shaft hole, and one end of the second connecting rod is connected with the second connecting portion.
Further, the second connecting portion is provided with a second indexing pin, the first connecting block is provided with a third rotary clamping groove and a fourth rotary clamping groove, when the second rotary block rotates to a third rotary position, the second indexing pin is clamped into the third rotary clamping groove, and when the second rotary block rotates to a fourth rotary position, the second indexing pin is clamped into the fourth rotary clamping groove.
Further, the first rotary mechanism comprises a first rotary part, a first limiting ring and a second limiting ring, the first limiting ring and the second limiting ring are sleeved on the second supporting rod, the first rotary part is rotatably sleeved on the supporting rod and located between the first limiting ring and the second limiting ring, one end of the first rotary part is abutted to the first limiting ring, the other end of the first rotary part is abutted to the second limiting ring, a third connecting part is arranged on the first rotary part, and the third connecting part is connected with the right connecting rod.
Further, the first rotating member is provided with a third indexing pin, the first rotating member is provided with a fifth rotating clamping groove and a sixth rotating clamping groove, when the first rotating member rotates to a fifth rotating position, the third indexing pin is clamped into the fifth rotating clamping groove, and when the first rotating member rotates to a sixth rotating position, the third indexing pin is clamped into the sixth rotating clamping groove.
Further, the right connecting rod includes first pole, second pole and slewing mechanism, slewing mechanism includes first dwang, second dwang and axis of rotation, a lateral wall of first dwang is equipped with rotates the inserted block, another lateral wall of first dwang with the one end of first pole is connected, the other end of first pole with middle bracing piece subassembly is connected, a lateral wall of second dwang is equipped with the rotation groove, another lateral wall of second dwang with the one end of second pole is connected, the other end of second pole with middle bracing piece subassembly is connected, the second dwang is equipped with the rotation hole, the rotation hole with the rotation groove intercommunication, it is equipped with the shaft hole to rotate the inserted block, it inserts to rotate the groove, the axis of rotation with the rotation hole is connected, and passes the shaft hole.
Further, the rotating mechanism comprises a fourth indexing pin, the fourth indexing pin is arranged on the second rotating block, the rotating insertion block is provided with a third rotating clamping groove, and when the first rotating block rotates to a third rotating position, the fourth indexing pin is clamped into the third rotating clamping groove.
According to the technical scheme, the invention has the beneficial effects that: the box installation lockpin of first LED display screen, the box installation back of the body frame of LED display screen, first lock handle card is gone into the second bayonet socket, and the locking hole in the lockpin is inserted to first lock axle, and when the fourth bayonet socket was gone into to second lock handle card, the locking hole in the lockpin was inserted to the second lock axle, was dismantled and assembled through the plug mode, easy operation, save time, and it is complicated to adopt bolted connection mode to make the dismouting, the problem consuming time is many when two LED display screens splice to solve.
Drawings
Fig. 1 is a schematic structural diagram of an LED display screen provided by an embodiment of the present invention;
FIG. 1a is a schematic view of a back frame according to an embodiment of the present invention;
FIG. 2 is a schematic view of a left support bar assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first support bar according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first connection block according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a first rotating block provided by an embodiment of the present invention;
FIG. 6 is a schematic diagram of a second rotating block provided by an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a first lock body according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a first lock body according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a first lock body provided by an embodiment of the present invention;
FIG. 10 is a schematic view of a first lock shaft according to an embodiment of the present invention;
FIG. 11 is a schematic view of a right support pole assembly according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a second support bar according to an embodiment of the present invention;
FIG. 13 is a schematic view of a right link structure provided by an embodiment of the present invention;
FIG. 14 is a schematic view of another construction of a right support bar assembly according to an embodiment of the present invention;
fig. 15 is a schematic structural view of a second lock body according to an embodiment of the present invention;
FIG. 16 is a schematic view of an intermediate support bar assembly according to an embodiment of the present invention;
fig. 17 is a schematic structural view of a third support bar according to an embodiment of the present invention;
FIG. 18 is a schematic view of a connection mechanism according to an embodiment of the present invention;
FIG. 19 is a schematic view of a first sleeve according to an embodiment of the present invention;
fig. 20 is a schematic structural view of a connection pipe according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1A and fig. 1 to 10, an embodiment of the present invention proposes an LED display screen 1A, which includes a case 1A1, the case 1A1 is provided with a back frame 6, and the back frame 6 includes a left support bar assembly 3, a right support bar assembly 4, and a middle support bar assembly 5.
The left support rod assembly 3 comprises a first support rod 31, a first connecting block 32 and a first lock body 2, wherein the first connecting block 32 is connected with one end of the first support rod 31, and the first connecting block 32 is arranged on the upper side wall of the box body 1A 1.
The first lock body 2 includes a first lock body 21, a first lock shaft 22 and a first lock handle 23, the first lock body 21 is connected with the other end of the first support rod 31, the first lock body 21 is provided on the lower side wall of the case 1A1, the first lock body 21 is provided with a first groove 211, a first transverse hole 212 and a first longitudinal hole 213, the first transverse hole 212 penetrates the bottom of the first groove 211, the first transverse hole 212 communicates with the first longitudinal hole 213, the first lock shaft 22 is inserted into the first transverse hole 212, the first lock handle 23 penetrates the first groove 211 to connect with the first lock shaft 22, the side wall of the first groove 211 is provided with a first bayonet 2111 and a second bayonet 2112, the first longitudinal hole 213 is used for inserting a lock pin in the case of the first LED display screen, when the first lock handle 23 is clamped into the second bayonet 2112, the first lock shaft 22 is inserted into the lock hole in the lock pin in the first longitudinal hole 213, and when the first lock handle 23 is clamped into the first bayonet 2111, the first lock handle 22 is withdrawn from the lock pin in the lock hole 213 in the first longitudinal hole 213.
The first lock handle 23 moves rightwards to drive the first lock shaft 22 to move rightwards, the side wall of the first groove 211 blocks the first lock handle 23, the first lock handle 23 rotates and is clamped into the second bayonet 2112, and the first lock shaft 22 is inserted into the locking hole in the lock pin, so that the first lock body 2 is in a locking state. The first lock handle 23 rotates to withdraw from the second bayonet 2112, the first lock handle 23 moves leftwards, the first lock shaft 22 is driven to move leftwards, the side wall of the first groove 211 blocks the first lock handle 23, the first lock handle 23 rotates and is clamped into the first bayonet 2111, the first lock shaft 22 withdraws from the locking hole in the lock pin, and at the moment, the first lock body 2 is in an unlocking state.
Specifically, the first lock handle 23 is snapped into the second bayonet 2112, the first lock shaft 22 is fully inserted into the first transverse hole 212, the first lock handle 23 is snapped into the first bayonet 2111, and a portion of the first lock shaft 22 is withdrawn from the first transverse hole 212 and exposed to the first lock body 21.
The right support rod assembly 4 includes a second support rod 41, a second connection block 42 and a second lock body 2a, the second connection block 42 is connected with one end of the second support rod 41, and the second connection block 42 is provided on the upper side wall of the case 1 A1.
The second lock body 2a includes a second lock body 21a, a second lock shaft 22a and a second lock handle 23a, the second lock body 21a is connected with the other end of the second support bar 41, the second lock body 21a is provided on the lower side wall of the box, the second lock body 21a is provided with a second groove 211a, a second transverse hole 212a and a second longitudinal hole 213a, the second transverse hole 212a penetrates the bottom of the second groove 211a, the second transverse hole 212a communicates with the second longitudinal hole 213a, the second lock shaft 22a is inserted into the second transverse hole 212a, the second lock handle 23a penetrates the second groove 211a to be connected with the second lock shaft 22a, the side wall of the second groove 211a is provided with a third bayonet 2111a and a fourth bayonet 2112a, the second longitudinal hole 213a is used for inserting a locking pin in the box of the first LED display screen, when the second lock handle 23a is snapped into the fourth bayonet 2112a, the second lock shaft 22a is inserted into the second lock handle 23a is snapped into the second longitudinal hole 213a, and the second locking pin 23a is snapped into the second locking pin 213 a. The second lock handle 23a moves leftwards to drive the second lock shaft 22a to move leftwards, the side wall of the second groove 211a blocks the second lock handle 23a, the second lock handle 23a rotates and is clamped into the fourth bayonet 2112a, and the second lock shaft 22a is inserted into the locking hole in the lock pin, so that the second lock body 2a is in a locking state. The second lock handle 23a rotates to withdraw from the fourth bayonet 2112a, the second lock handle 23a moves rightwards, the second lock shaft 22a is driven to move rightwards, the side wall of the second groove 211a blocks the second lock handle 23a, the second lock handle 23a rotates to be clamped into the third bayonet 2111a, the second lock shaft 22a withdraws from the locking hole in the lock pin, and at the moment, the second lock body 2a is in an unlocking state.
Specifically, the second lock handle 23a is snapped into the fourth bayonet 2112a, the second lock shaft 22a is fully inserted into the second transverse hole 212a, the second lock handle 23a is snapped into the third bayonet 2111a, and a portion of the second lock shaft 22a is withdrawn from the second transverse hole 212a and exposed to the second lock body 21a.
The left support rod assembly 3 comprises a first connecting rod 333 and a second connecting rod 337, the right support rod assembly 4 comprises a right connecting rod 43 and a first rotating mechanism 44, one end of the first connecting rod 333 is connected with the first connecting block 32, the other end of the first connecting rod is connected with the middle support rod assembly 5, one end of the second connecting rod 337 is connected with the first lock body 21, the other end of the second connecting rod is connected with the middle support rod assembly 5, the first rotating mechanism 44 is arranged on the second support rod 41 and is positioned between the second connecting block 42 and the second lock body, one end of the right connecting rod 43 is connected with the first rotating mechanism 44, and the other end of the right connecting rod 43 is connected with the middle support rod assembly 5.
The box installation lockpin of first LED display screen, the box installation back of the body frame 6 of second LED display screen, first lock handle 23 card is gone into second bayonet socket 2112, when first lock shaft 22 inserted the locking hole in the lockpin, second lock handle 23a card was gone into fourth bayonet socket 2112a, second lock shaft 22a inserted the locking hole in the lockpin, carries out dismouting through the plug mode, easy operation, save time, when solving two LED display screen concatenation, adopts bolted connection mode to make the dismouting complicated, the problem consuming time much.
In this embodiment, the first lock body 2 includes a first bead screw 24, the first lock body 21 is provided with a first mounting hole 214, the first mounting hole 214 is communicated with the first transverse hole 212, the first bead screw 24 is connected with the first mounting hole 214, the first lock shaft 22 is provided with a first clamping groove 221 and a second clamping groove 222, when the first lock handle 23 is clamped into the second bayonet 2112, the first bead screw 24 is clamped into the first clamping groove 221, and when the first lock handle 23 is clamped into the first bayonet 2111, the first bead screw 24 is clamped into the second clamping groove 222. Thus, by positioning the first bead screw 24, the first lock handle 23 is prevented from being locked into the first bayonet 2111 or the second bayonet 2112, and the first lock shaft 22 is prevented from being accidentally rotated, so that the first lock handle 23 is locked out of the first bayonet 2111 or the second bayonet 2112.
In the present embodiment, the inner side wall of the first longitudinal hole 213 is provided with a third clamping groove 2131, and when the first lock handle 23 is clamped into the second bayonet 2112, the first lock shaft 22 is inserted into the third clamping groove 2131 through the first longitudinal hole 213. When the first lock body 2 is in the locked state, the first lock shaft 22 is abutted against the hole wall of the first transverse hole 212 and the slot wall of the third clamping slot 2131, so that the first lock shaft 22 is more stable.
In this embodiment, the left support rod assembly 3 includes a first rotating block 331 and a first rotating shaft 332, the first lock body 21 is provided with a first rotating groove 215, a fourth clamping groove 2151 and a first rotating hole 2152, the first rotating hole 2152 communicates with the first rotating groove 215, the fourth clamping groove 2151 is provided on a sidewall of the first rotating groove 215 and corresponds to the first rotating hole 2152, the first rotating block 331 includes a first inserting portion 3311 and a first connecting portion 3312, the first inserting portion 3311 is provided with a first shaft hole 33111, the first inserting portion 3311 is inserted into the first rotating groove 215, the first rotating shaft 332 is connected with the first rotating hole 2152, and the fourth clamping groove 2151 is inserted through the first shaft hole 33111, and one end of the first connecting rod 333 is connected with the first connecting portion 3312. The first lock body 21 not only has a locking function but also can provide a function of rotational connection. The first rotating block 331 rotates in the first rotating groove 215 around the first rotating shaft 332, and the first link 333 rotates around the first rotating shaft 332 since the first connection portion 3312 is connected to the first link 333. The other end of the first link 333 is for connection fixation.
In the present embodiment, the first connection part 3312 is provided with a first index pin 33121, the first lock body 21 is provided with a first rotation catching groove 2161 and a second rotation catching groove 2162, the first index pin 33121 is caught in the first rotation catching groove 2161 when the first rotation block 331 is rotated to the first rotation position, and the first index pin 33121 is caught in the second rotation catching groove 2162 when the first rotation block 331 is rotated to the second rotation position. The first lock body 21 provides the first and second rotation catching grooves 2161 and 2162 of the rotation positioning of the first rotation block 331 rotated therein, thereby rotationally positioning the rotation of the first link 333.
Specifically, when the first index pin 33121 is caught in the first rotation catching groove 2161, the first link 333 protrudes out of the case 1A1, and the first link 333 has a supporting effect on the case 1A1, making the LED display screen 1A stand upright. When the first indexing pin 33121 is locked into the second rotary locking groove 2162, the first link 333 is stored in the case 1A1 of the LED display screen 1A, which is convenient for transportation of the LED display screen 1A.
In this embodiment, the left support rod assembly 3 includes a first threaded pin 34, the first connection block 32 is provided with a first through hole 321 and a first screw hole 322, the first screw hole 322 penetrates the first connection block 32 and communicates with the first through hole 321, the first support rod 31 is provided with a first pin hole 311, the first support rod 31 is inserted into the first through hole 321, and the first threaded pin 34 is connected with the first screw hole 322 and penetrates the first pin hole 311. The first connecting block 32 is firmly connected with the first supporting rod 31, so that the cost is saved.
Specifically, the first connecting block 32 may be further used to mount a lock pin, and the upper side wall of the case 1A1 of the LED display screen 1A may be spliced with another LED display screen.
In this embodiment, the left support rod assembly 3 includes a second rotating block 335 and a second rotating shaft 336, the first connecting block 32 is provided with a second rotating groove 323, a fifth clamping groove 324 and a second rotating hole 325, the second rotating hole 325 is communicated with the second rotating groove 323, the fifth clamping groove 324 is provided on a side wall of the second rotating groove 323 and corresponds to the second rotating hole 325, the second rotating block 335 includes a second inserting portion 3351 and a second connecting portion 3352, the second inserting portion 3351 is provided with a second shaft hole 33511, the second inserting portion 3351 is inserted into the second rotating groove 323, the second rotating shaft 336 is connected with the second rotating hole 325, and is inserted into the fifth clamping groove 324 through the second shaft hole 33511, and one end of the second connecting rod 337 is connected with the second connecting portion 3352. The first connection block 32 may also provide the function of a rotational connection. The second rotating block 335 rotates in the second rotating groove 323 around the second rotating shaft 336, and the second connecting portion 3352 is connected with the second connecting rod 337, thereby rotating the second connecting rod 337 around the second rotating shaft 336. The other end of the second connecting rod 337 is used for connection and fixation.
In the present embodiment, the second connection portion 3352 is provided with a second indexing pin 33521, the first connection block 32 is provided with a third rotation catching groove 326 and a fourth rotation catching groove 327, when the second rotation block 335 is rotated to the third rotation position, the second indexing pin 33521 is caught in the third rotation catching groove 326, and when the second rotation block 335 is rotated to the fourth rotation position, the second indexing pin 33521 is caught in the fourth rotation catching groove 327. The first connection block 32 provides a third rotation catching groove 326 and a fourth rotation catching groove 327 of the rotation positioning of the second rotation block 335 rotated therein, thereby rotationally positioning the rotation of the second link 337.
Specifically, when the second indexing pin 33521 is locked into the third rotating locking groove 326, the second connecting rod 337 protrudes out of the case 1A1 of the LED display screen 1A, and the second connecting rod 337 has a supporting effect on the case 1A1 of the LED display screen 1A, so that the LED display screen 1A stands upright. When the second indexing pin 33521 is clamped into the fourth rotary clamping groove 327, the second connecting rod 337 is accommodated in the box 1A1 of the LED display screen 1A, so that the LED display screen 1A is convenient to transport.
In this embodiment, the left support rod assembly 3 includes a second threaded pin 338, the first lock body 21 is provided with a second screw hole 217, the second screw hole 217 penetrates the first lock body 21 and communicates with the first longitudinal hole 213, the first support rod 31 is provided with a second pin hole 312, the first support rod 31 is inserted into the first longitudinal hole 213, and the second threaded pin 338 is connected with the second screw hole 217 and penetrates the second pin hole 312; the first supporting rod 31 is a tube body with a second through hole 313, the second through hole 313 is used for inserting a lock pin in the box body of the first LED display screen, and the first supporting rod 31 is provided with a third through hole 314 for the first lock shaft 22 to pass through. The first lock body 21 and the first supporting rod 31 are firmly connected, so that the cost is saved.
As shown in fig. 11 to 15, in the present embodiment, the first rotating mechanism 44 includes a first rotating member 441, a first limiting ring 443 and a second limiting ring 444, the first limiting ring 443 and the second limiting ring 444 are sleeved on the second supporting rod 41, the first rotating member 441 is rotatably sleeved on the second supporting rod 41 and is located between the first limiting ring 443 and the second limiting ring 444, one end of the first rotating member 441 is abutted against the first limiting ring 443, the other end is abutted against the second limiting ring 444, the first rotating member 441 is provided with a third connecting portion 4411, and the third connecting portion 4411 is connected with the right connecting rod 43. The first rotating member 441 rotates around the second supporting bar 41 such that the right link 43 is also rotated around the second supporting bar 41, and the right link 43 is used for connection fixation.
In the present embodiment, the first rotating member 441 is provided with the third indexing pin 442, the first rotating member 441 is provided with the fifth rotating engagement groove 414 and the sixth rotating engagement groove, the third indexing pin 442 is engaged with the fifth rotating engagement groove 414 when the first rotating member 441 rotates to the fifth rotating position, and the third indexing pin 442 is engaged with the sixth rotating engagement groove when the first rotating member 441 rotates to the sixth rotating position. The second support bar 41 provides a fifth rotary click 414 and a sixth rotary click for rotational positioning, and the first rotary member 441 is rotationally positioned, thereby rotationally positioning the rotation of the right link 43.
Specifically, when the third index pin 442 is locked into the fifth rotation locking groove 414, the right link 43 protrudes out of the case 1A1 of the LED display screen 1A, and the right link 43 has a supporting effect on the case 1A1 of the LED display screen 1A, so that the LED display screen 1A stands upright. When the third indexing pin 442 is locked into the sixth rotating locking groove, the right connecting rod 43 is stored in the box 1A1 of the LED display screen 1A, so as to facilitate transportation of the LED display screen 1A.
In the present embodiment, the right link 43 includes a first lever 431, a second lever 432, and a rotating mechanism 433, the rotating mechanism 433 includes a first rotating block 4331, a second rotating block 4332, and a rotating shaft 4333, one side wall of the first rotating block 4331 is provided with a rotating insert 43311, the other side wall of the first rotating block 4331 is connected to one end of the first lever 431, the other end of the first lever 431 is connected to the intermediate support rod assembly 5, one side wall of the second rotating block 4332 is provided with a rotating groove 43322, the other side wall of the second rotating block 4332 is connected to one end of the second lever 432, the other end of the second lever 432 is connected to the intermediate support rod assembly 5, the second rotating block 4332 is provided with a third rotating hole 43321, the third rotating hole 43321 is communicated with the rotating groove 43322, the rotating insert 43311 is provided with a third shaft hole 433111, the rotating insert 43311 is inserted into the rotating groove 43322, the rotating shaft 4333 is connected to the third rotating hole 43321, and passes through the third shaft hole 433111. The shape of the right link 43 is changeable, and may be a straight bar in which the first rod 431 and the second rod 432 are aligned, a folded bar in which the first rod 431 and the second rod 432 are folded together, or a folded bar in which the first rod 431 and the second rod 432 are folded at a certain angle. Thus, the right connecting rod 43 is convenient for supporting and fixing the LED display screen 1A, and is convenient for being stored and transported in the LED display screen 1A.
In the present embodiment, the rotation mechanism 433 includes a fourth indexing pin 4334, the fourth indexing pin 4334 is disposed on the second rotation block 4332, the rotation insert 43311 is provided with a seventh rotation slot, and when the first rotation block 4331 rotates to the third rotation position, the fourth indexing pin 4334 is engaged with the seventh rotation slot. The third rotation position is that the first rod 431 and the second rod 432 are aligned, and the fourth indexing pin 4334 is locked into the seventh rotation locking groove to limit rotation, so that the right connecting rod 43 is a straight rod.
As shown in fig. 16 to 20, the intermediate support rod assembly 5 includes a third support rod 51, a first link connection block 52, a second link connection block 53, a second rotation mechanism 54, and a connection mechanism 55.
The first link connection block 52, the second link connection block 53, and the second rotation mechanism 54 are provided to the third support rod 51, the second rotation mechanism 54 is located between the first link connection block 52 and the second link connection block 53, the first link connection block 52 is connected to the first link 333, the second link connection block 53 is connected to the second link 337, and the second rotation mechanism 54 is connected to the right link 43.
The coupling mechanism 55 includes first sleeve 551, first fixture block 552, connect dead lever 553, first connecting pin 554 and second sleeve 555, first sleeve 551 includes first nozzle and second nozzle, first fixture block 552 is equipped with first draw-in hole 5521, first fixture block 552 locates first nozzle, connect dead lever 553 and include tapered end 553, shaft 5532 and second fixture block 5533, the head of shaft 5532 is located to tapered end 5531, the afterbody of shaft 5532 is located to second fixture block 5533, the head of shaft 5532 is equipped with first circumference bayonet 55321, the afterbody of shaft 553 is equipped with second circumference bayonet 55322, connect the dead lever 553 and get into first sleeve 551 through the second nozzle, tapered end 553 and shaft 553 stretch out first sleeve 551 through first draw-in hole 5521, and stretch into second sleeve 555, second sleeve 555 is connected with shaft 553 through first connecting pin 554, first sleeve 551 is located the one end of second nozzle and third bracing piece 51 are connected.
The second sleeve 555 moves forward, so that the lock head 5531 moves forward, the lock head 5531 is used for extending into a second clamping hole of a third clamping block in the box body of the other LED display screen, the first clamping block 552 blocks the second clamping block 5533, the third clamping block is arranged in the first circumferential bayonet 55321, the first clamping block 552 is arranged in the second circumferential bayonet 55322, the second sleeve 555 rotates, the lock head 5531 and the rod body 5532 clamp the third clamping block, and the second clamping block 5533 and the rod body 5532 clamp the first clamping block 552.
In the present embodiment, the second clamping block 5533 is provided with a second ball screw 55331, and the inner sidewall of the first sleeve 551 is provided with a positioning hole 5511 corresponding to the second ball screw 55331. The second sleeve 555 moves backward until the second sleeve 555 cannot move backward, the second clamping block 5533 rotates, and the second ball screw 55331 is clamped into the positioning hole 5511, so that the lock head 5531 is aligned with the first clamping hole 5521, and the lock head 5531 can conveniently extend out of the first sleeve 551 through the first clamping hole 5521.
In the present embodiment, the third support rod 51 is a tube body having a fourth through hole 511.
In this embodiment, the middle support rod assembly 5 includes a second connection pin 56, a fourth clamping block 57 and a connection tube 58, one end of the connection tube 58 is provided with a convex ring 581, the fourth clamping block 57 is provided at a nozzle of the connection tube 58 located at one end of the convex ring 581, the other end of the connection tube 58 is inserted into the fourth through hole 511, the convex ring 581 abuts against the third support rod 51, and the connection tube 58 is connected with the third support rod 51 and the first connection rod connection block 52 through the second connection pin 56. Thus, only one second connection pin 56 can connect the connection pipe 58, the third support rod 51, and the first connection rod connection block 52 together.
The fourth clamping block 57 is provided with a second clamping hole 571, the second clamping hole 571 is used for enabling a lock head of the box body of the first LED display screen to extend into the second clamping hole 571, and the fourth clamping block 57 is used for clamping the lock head of the box body of the first LED display screen. The middle supporting rod assembly 5 can be spliced with the first LED display screen to play a role in connection.
In this embodiment, the middle support rod assembly 5 includes a third connecting pin 59, and one end of the first sleeve 551 at the second nozzle is inserted into the fourth through hole 511 of the third support rod 51, and the first sleeve 551 is connected to the third support rod 51 and the second link connection block 53 through the third connecting pin 59. Thus, only one third connecting pin 59 can connect the first sleeve 551, the third supporting rod 51, and the second connecting rod connecting block 53 together.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The LED display screen is characterized by comprising a box body, wherein the box body is provided with a back frame, and the back frame comprises a left support rod assembly, a right support rod assembly and a middle support rod assembly;
the left support rod assembly comprises a first support rod, a first connecting block and a first lock body, wherein the first connecting block is connected with one end of the first support rod, and the first connecting block is arranged on the upper side wall of the box body;
the first lock body comprises a first lock body, a first lock shaft and a first lock handle, the first lock body is connected with the other end of the first support rod, the first lock body is arranged on the lower side wall of the box body, the first lock body is provided with a first groove, a first transverse hole and a first longitudinal hole, the first transverse hole penetrates through the bottom of the first groove, the first transverse hole is communicated with the first longitudinal hole, the first lock shaft is inserted into the first transverse hole, the first lock handle penetrates through the first groove and is connected with the first lock shaft, a first bayonet and a second bayonet are arranged on the side wall of the first groove, the first longitudinal hole is used for allowing a lock pin in the box body of the first LED display screen to be inserted, when the first lock handle is clamped into the second bayonet, the first lock shaft is inserted into a locking hole in the lock pin arranged in the first longitudinal hole, and when the first lock handle is clamped into the first bayonet, the first lock shaft is withdrawn from the longitudinal hole in the first locking pin;
the right support rod assembly comprises a second support rod, a second connecting block and a second lock body, wherein the second connecting block is connected with one end of the second support rod, and the second connecting block is arranged on the upper side wall of the box body;
the second lock body comprises a second lock body, a second lock shaft and a second lock handle, the second lock body is connected with the other end of the second support rod, the second lock body is arranged on the lower side wall of the box body, the second lock body is provided with a second groove, a second transverse hole and a second longitudinal hole, the second transverse hole penetrates through the bottom of the second groove, the second transverse hole is communicated with the second longitudinal hole, the second lock shaft is inserted into the second transverse hole, the second lock handle penetrates through the second groove and is connected with the second lock shaft, a third bayonet and a fourth bayonet are arranged on the side wall of the second groove, the second longitudinal hole is used for allowing a lock pin in the box body of the first LED display screen to be inserted, when the second lock handle is clamped into the fourth bayonet, the second lock shaft is inserted into a locking hole in the lock pin arranged in the second longitudinal hole, and when the second lock handle is clamped into the third bayonet, the second lock shaft is withdrawn from the longitudinal hole in the second locking hole;
the left support rod assembly comprises a first connecting rod and a second connecting rod, the right support rod assembly comprises a right connecting rod and a first rotating mechanism, one end of the first connecting rod is connected with the first connecting block, the other end of the first connecting rod is connected with the middle support rod assembly, one end of the second connecting rod is connected with the first lock body, the other end of the second connecting rod is connected with the middle support rod assembly, the first rotating mechanism is arranged on the second support rod and is positioned between the second connecting block and the second lock body, one end of the right connecting rod is connected with the first rotating mechanism, and the other end of the right connecting rod is connected with the middle support rod assembly;
the first lock body comprises a first wave bead screw, a first mounting hole is formed in the first lock body, the first mounting hole is communicated with the first transverse hole, the first wave bead screw is connected with the first mounting hole, a first clamping groove and a second clamping groove are formed in the first lock shaft, when the first lock handle is clamped into the second bayonet, the first wave bead screw is clamped into the first clamping groove, and when the first lock handle is clamped into the first bayonet, the first wave bead screw is clamped into the second clamping groove;
the inner side wall of the first longitudinal hole is provided with a third clamping groove, and when the first lock handle is clamped into the second bayonet, the first lock shaft penetrates through the first longitudinal hole and is inserted into the third clamping groove;
the left support rod assembly comprises a first threaded pin, the first connecting block is provided with a first through hole and a first screw hole, the first screw hole penetrates through the first connecting block and is communicated with the first through hole, the first support rod is provided with a first pin hole, the first support rod is inserted into the first through hole, and the first threaded pin is connected with the first screw hole and penetrates through the first pin hole;
the left support rod assembly comprises a second threaded pin, the first lock body is provided with a second screw hole, the second screw hole penetrates through the first lock body and is communicated with the first longitudinal hole, the first support rod is provided with a second pin hole, the first support rod is inserted into the first longitudinal hole, and the second threaded pin is connected with the second screw hole and penetrates through the second pin hole; the first support rod is a pipe body with a second through hole, the second through hole is used for inserting a lock pin in the box body of the first LED display screen, and the first support rod is provided with a third through hole for the first lock shaft to pass through;
the middle support rod assembly comprises a third support rod, a first connecting rod connecting block, a second rotating mechanism and a connecting mechanism;
the first connecting rod, the second connecting rod and the second rotating mechanism are arranged on the third supporting rod, the second rotating mechanism is arranged between the first connecting rod and the second connecting rod, the first connecting rod is connected with the first connecting rod, the second connecting rod is connected with the second connecting rod, and the second rotating mechanism is connected with the right connecting rod;
the connecting mechanism comprises a first sleeve, a first clamping block, a connecting fixing rod, a first connecting pin and a second sleeve, wherein the first sleeve comprises a first sleeve opening and a second sleeve opening, the first clamping block is provided with a first clamping hole, the first clamping block is arranged at the first sleeve opening, the connecting fixing rod comprises a lock head, a rod body and a second clamping block, the lock head is arranged at the head of the rod body, the second clamping block is arranged at the tail of the rod body, a first circumferential bayonet is arranged at the head of the rod body, a second circumferential bayonet is arranged at the tail of the rod body, the connecting fixing rod enters the first sleeve through the second sleeve opening, the lock head and the rod body extend out of the first sleeve through the first clamping hole and extend into the second sleeve, the second sleeve is connected with the rod body through the first connecting pin, and one end of the first sleeve, which is positioned at the second sleeve opening, is connected with a third supporting rod;
the second sleeve moves forward to enable the lock head to move forward, the lock head is used for extending into a second clamping hole of a third clamping block in the box body of the other LED display screen, the first clamping block blocks the second clamping block, the third clamping block is arranged in the first circumferential bayonet, the first clamping block is arranged in the second circumferential bayonet, the second sleeve rotates, the lock head and the rod body clamp the third clamping block, and the second clamping block and the rod body clamp the first clamping block.
2. The LED display screen of claim 1, wherein the left support bar assembly comprises a first rotating block and a first rotating shaft, the first lock body is provided with a first rotating groove, a fourth clamping groove and a first rotating hole, the first rotating hole is communicated with the first rotating groove, the fourth clamping groove is formed in the side wall of the first rotating groove and corresponds to the first rotating hole, the first rotating block comprises a first inserting portion and a first connecting portion, the first inserting portion is provided with a first shaft hole, the first inserting portion is inserted into the first rotating groove, the first rotating shaft is connected with the first rotating hole, the first rotating shaft is inserted into the fourth clamping groove through the first shaft hole, and one end of the first connecting rod is connected with the first connecting portion.
3. The LED display screen of claim 2, wherein the first connection portion is provided with a first indexing pin, the first lock body is provided with a first rotating slot and a second rotating slot, the first indexing pin is snapped into the first rotating slot when the first rotating block is rotated to a first rotating position, and the first indexing pin is snapped into the second rotating slot when the first rotating block is rotated to a second rotating position.
4. The LED display screen of claim 1, wherein the left support bar assembly comprises a second rotating block and a second rotating shaft, the first connecting block is provided with a second rotating groove, a fifth clamping groove and a second rotating hole, the second rotating hole is communicated with the second rotating groove, the fifth clamping groove is formed in the side wall of the second rotating groove and corresponds to the second rotating hole, the second rotating block comprises a second inserting portion and a second connecting portion, the second inserting portion is provided with a second shaft hole, the second inserting portion is inserted into the second rotating groove, the second rotating shaft is connected with the second rotating hole, the second shaft is inserted into the fifth clamping groove through the second shaft hole, and one end of the second connecting rod is connected with the second connecting portion.
5. The LED display screen of claim 4, wherein the second connection portion is provided with a second indexing pin, the first connection block is provided with a third rotating slot and a fourth rotating slot, the second indexing pin is snapped into the third rotating slot when the second rotation block is rotated to the third rotating position, and the second indexing pin is snapped into the fourth rotating slot when the second rotation block is rotated to the fourth rotating position.
6. The LED display screen of claim 1, wherein the first rotating mechanism comprises a first rotating member, a first limiting ring and a second limiting ring, the first limiting ring and the second limiting ring are sleeved on the second supporting rod, the first rotating member is rotatably sleeved on the supporting rod and located between the first limiting ring and the second limiting ring, one end of the first rotating member is abutted to the first limiting ring, the other end of the first rotating member is abutted to the second limiting ring, and the first rotating member is provided with a third connecting portion connected with the right connecting rod.
7. The LED display screen of claim 6, wherein the first rotating member is provided with a third index pin, the first rotating member is provided with a fifth rotating detent and a sixth rotating detent, the third index pin is snapped into the fifth rotating detent when the first rotating member is rotated to a fifth rotational position, and the third index pin is snapped into the sixth rotating detent when the first rotating member is rotated to a sixth rotational position.
8. The LED display screen of claim 1, wherein the right link comprises a first lever, a second lever and a rotating mechanism, the rotating mechanism comprises a first rotating block, a second rotating block and a rotating shaft, one side wall of the first rotating block is provided with a rotating insert, the other side wall of the first rotating block is connected with one end of the first lever, the other end of the first lever is connected with the middle support rod assembly, one side wall of the second rotating block is provided with a rotating groove, the other side wall of the second rotating block is connected with one end of the second lever, the other end of the second lever is connected with the middle support rod assembly, the second rotating block is provided with a rotating hole, the rotating hole is communicated with the rotating groove, the rotating insert is provided with a shaft hole, the rotating insert is inserted into the rotating groove, and the rotating shaft is connected with the rotating hole and passes through the shaft hole.
9. The LED display screen of claim 8, wherein the rotation mechanism includes a fourth indexing pin provided on the second rotation block, the rotation plug block is provided with a third rotation slot, and the fourth indexing pin is snapped into the third rotation slot when the first rotation block is rotated to a third rotation position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110792174.6A CN113674634B (en) | 2021-07-13 | 2021-07-13 | LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110792174.6A CN113674634B (en) | 2021-07-13 | 2021-07-13 | LED display screen |
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| Publication Number | Publication Date |
|---|---|
| CN113674634A CN113674634A (en) | 2021-11-19 |
| CN113674634B true CN113674634B (en) | 2024-02-02 |
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| CN202110792174.6A Active CN113674634B (en) | 2021-07-13 | 2021-07-13 | LED display screen |
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| CN113674634A (en) | 2021-11-19 |
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