Cart for transporting LED display screens

Abstract

The present invention relates to the technical field of LED display screens, and in particular to a cart for transporting LED display screens. An installation space is formed by a left bracket, a base and a right bracket, and multiple LED display screens are installed in the installation space. In this way, multiple LED display screens are installed on the cart, and an assembler pushes the cart to move the LED display screens, thereby avoiding the long-term handling of the LED display screens by the assembler, and solving the problem of low work efficiency caused by using an aviation box to transport the LED display screens.

Description

Technical Field

[0001] The invention relates to the technical field of LED display screens, and in particular to a cart used for transporting LED display screens. Background Art

[0002] At present, most LED display screens are transported in aviation boxes. Since LED display screens are relatively heavy, assembly workers need to exert a lot of strength to carry the aviation boxes, which is very inconvenient and leads to low work efficiency. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention proposes a cart for transporting an LED display screen, aiming to solve the problem of low work efficiency caused by using an aviation box to transport the LED display screen.

[0004] The technical solution proposed by the present invention is:

[0005] A cart for transporting an LED display screen, comprising a base, at least three casters, a left bracket and a right bracket, wherein the at least three casters are arranged on the lower side wall of the base, the left bracket and the right bracket are arranged on the upper side wall of the base, and an installation space is formed between the left bracket, the base and the right bracket, and the installation space is used to install a plurality of LED display screens arranged in parallel;

[0006] The left bracket includes a first baffle, a first connecting bracket and a first fixing bracket, wherein the first connecting bracket is arranged on the upper side wall of the base, the first baffle is arranged on the left side wall of the first connecting bracket, and the first fixing bracket is arranged on the upper side wall of the first connecting bracket;

[0007] The right bracket includes a second baffle, a second connecting bracket and a second fixing bracket, wherein the second connecting bracket is arranged on the upper side wall of the base, the second baffle is arranged on the right side wall of the second connecting bracket, and the second fixing bracket is arranged on the upper side wall of the second connecting bracket;

[0008] The upper side wall of the base is provided with a plurality of limit pins, each of which is used to be inserted into the lower side wall of an LED display screen;

[0009] The first baffle is provided with a plurality of first clamps, each of which is used to clamp into the left side wall of an LED display screen, and the first fixing bracket is provided with a plurality of first limiting holes, each of which is used to allow a lock head of an upper side wall of an LED display screen to be inserted;

[0010] The second baffle is provided with a plurality of second clamps, each of which is used to clamp into the right side wall of an LED display screen, and the second fixing bracket is provided with a plurality of second limiting holes, each of which is used to allow a lock head of the upper side wall of an LED display screen to be inserted.

[0011] Furthermore, the first fixing bracket includes a first fixing plate and a handle bracket, the handle bracket is arranged on the first fixing plate, and the first limiting hole is arranged on the first fixing plate.

[0012] Further, the cart includes a first locking device, which includes a first fixing block, a first spring and a first locking rod, the first locking rod is provided with a first rod handle, the first fixing block is provided with a first fixing hole, the first fixing block is provided on the first fixing plate, the first fixing hole corresponds to the first limiting hole up and down, the first fixing block is provided with a first groove, a side wall of the first groove is provided with a first rod hole, the first rod hole is connected to the first fixing hole, the first locking rod is placed in the first groove, the first spring is sleeved at one end of the first locking rod, one end of the first spring is connected to the other side wall of the first groove, and the other end is against the first rod handle, the other end of the first locking rod passes through the first rod hole, is inserted into the first fixing hole, and is used to be inserted into the locking hole of the lock head placed in the first fixing hole.

[0013] Furthermore, the first fixing block is provided with a first card slot, one end of the first card slot is connected to the first groove, and the other end of the first card slot passes through a side wall of the first fixing block, and the first locking rod rotates and the first rod handle is inserted into the first card slot.

[0014] Furthermore, first guard plates are respectively provided on both side walls of the first baffle.

[0015] Furthermore, a connecting pin is provided on the upper side wall of the base, and a first connecting hole is provided on the lower side wall of the first connecting bracket, and the connecting pin is inserted into the first connecting hole.

[0016] Further, the connecting pin protrudes out of the first connecting hole, and a locking hole is provided at one end of the connecting pin;

[0017] The cart includes a second locking device, the second locking device includes a second fixing block, a second spring and a second locking rod, the second locking rod is provided with a second rod handle, the second fixing block is arranged on the first connecting bracket, the second fixing block is provided with a second groove, a side wall of the second groove is provided with a second rod hole, the second locking rod is placed in the second groove, the second spring is sleeved on one end of the second locking rod, one end of the second spring is connected to the other side wall of the second groove, and the other end is against the second rod handle, and the other end of the second locking rod passes through the second rod hole, the second fixing block is provided with a second clamping groove and a third clamping groove, one end of the second clamping groove and the third clamping groove is connected to the second groove, and the other end of the second clamping groove and the third clamping groove passes through a side wall of the second fixing block, the first locking rod rotates, when the second rod handle is clamped into the third clamping groove, the second locking rod is inserted into the locking hole, and when the second rod handle is clamped into the second clamping groove, the second locking rod withdraws from the locking hole.

[0018] Furthermore, a second connecting hole is provided on the left side wall of the first connecting bracket, and the first baffle is provided with a rotary lock, and the rotary lock includes a rotating mechanism and a rotating lock head, the rotating mechanism is connected to the rotating lock head, and the rotating lock head is inserted into the second connecting hole, the rotating mechanism drives the rotating lock head to rotate a first rotation angle, the rotating lock head is misaligned with the second connecting hole, and the rotary lock is in a locked state, the rotating mechanism drives the rotating lock head to rotate a second rotation angle, the rotating lock head is aligned with the second connecting hole, and the rotary lock is in an unlocked state.

[0019] Further, the upper side wall of the first connecting bracket is provided with a first positioning pin, the first fixing bracket is provided with a first positioning hole, the first positioning pin is inserted into the first positioning hole, and the first fixing bracket abuts against the upper side wall of the first connecting bracket and the first baffle respectively.

[0020] Furthermore, a frame is provided on the lower side wall of the base, and the frame is provided with a frame groove for inserting a forklift.

[0021] According to the above technical scheme, the beneficial effects of the present invention are as follows: an installation space is formed by the left bracket, the base and the right bracket, and multiple LED display screens are installed in the installation space. In this way, multiple LED display screens are installed on a cart, and the assembly workers push the cart to move the LED display screens, thereby avoiding the assembly workers' long-term transportation of the LED display screens and solving the problem of low work efficiency caused by using aviation boxes to transport LED display screens. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of the structure of a cart provided by an embodiment of the present invention;

[0023] Figure 2 is a schematic diagram of the structure of a base provided by an embodiment of the present invention;

[0024] Figure 3 is a schematic structural diagram of a first baffle provided by an embodiment of the present invention;

[0025] Figure 4 is a schematic structural diagram of a first connecting bracket provided by an embodiment of the present invention;

[0026] Figure 5 is a schematic structural diagram of a first fixing bracket provided by an embodiment of the present invention;

[0027] Figure 6 is a schematic structural diagram of a first locking device provided by an embodiment of the present invention;

[0028] Figure 7 It is a schematic structural diagram of a second locking device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] like Figures 1 to 7 As shown, an embodiment of the present invention proposes a cart 1 for transporting an LED display screen, comprising a base 11, at least three casters 12, a left bracket 13 and a right bracket 14, wherein the at least three casters 12 are arranged on the lower side wall of the base 11, the left bracket 13 and the right bracket 14 are arranged on the upper side wall of the base 11, and an installation space is formed between the left bracket 13, the base 11 and the right bracket 14, and the installation space is used to install multiple LED display screens arranged in parallel.

[0031] In some embodiments, there are three casters 12 , which are arranged in a triangle, so that the three casters 12 can support the base 11 and drive the base 11 to move by rolling the three casters 12 .

[0032] The left bracket 13 includes a first baffle 131 , a first connecting bracket 132 and a first fixing bracket 133 . The first connecting bracket 132 is arranged on the upper side wall of the base 11 , the first baffle 131 is arranged on the left side wall of the first connecting bracket 132 , and the first fixing bracket 133 is arranged on the upper side wall of the first connecting bracket 132 .

[0033] The right bracket 14 includes a second baffle 141 , a second connecting bracket 142 and a second fixing bracket 143 . The second connecting bracket 142 is arranged on the upper side wall of the base 11 , the second baffle 141 is arranged on the right side wall of the second connecting bracket 142 , and the second fixing bracket 143 is arranged on the upper side wall of the second connecting bracket 142 .

[0034] The first connecting bracket 132 and the second connecting bracket 142 are both located in the middle of the base 11, and are also used to separate the LED display screens placed in the front and back, so that the user can place the same number of LED display screens in the front and back based on the first connecting bracket 132 and the second connecting bracket 142 to prevent the cart 1 from tipping over.

[0035] The upper side wall of the base 11 is provided with a plurality of limit pins 111, each of which is used to be inserted into the lower side wall of an LED display screen. The limit pins 111 are plugged into the LED display screen to fix the LED display screen in one direction.

[0036] The first baffle 131 is provided with a plurality of first clamping members 1311, each of which is used to be clamped into the left side wall of an LED display screen. The first fixing bracket 133 is provided with a plurality of first limiting holes 1331, each of which is used to allow a lock head of the upper side wall of an LED display screen to be inserted.

[0037] The second baffle 141 is provided with a plurality of second clamping members 1411, each of which is used to be clamped into the right side wall of an LED display screen. The second fixing bracket 143 is provided with a plurality of second limiting holes, each of which is used to allow a lock head of the upper side wall of an LED display screen to be inserted.

[0038] The first clamping member 1311 is clamped with the LED display screen, and the second clamping member 1411 is clamped with the LED display screen, both fixing the LED display screen in one direction. The first limiting hole 1331 is plugged with the LED display screen, and the second limiting hole is plugged with the LED display screen, fixing the LED display screen in one direction.

[0039] In summary, an installation space is formed by the left bracket 13, the base 11 and the right bracket 14, and multiple LED display screens are installed in the installation space. In this way, multiple LED display screens are installed on the cart 1, and the assembler pushes the cart 1 to move the LED display screen, thereby avoiding the assembler's long-term transportation of the LED display screen and solving the problem of low work efficiency caused by using aviation boxes to transport LED display screens.

[0040] In this embodiment, the first fixing bracket 133 includes a first fixing plate 1332 and a handle bracket 1333. The handle bracket 1333 is disposed on the first fixing plate 1332, and the first limiting hole 1331 is disposed on the first fixing plate 1332. The handle bracket 1333 facilitates the user to exert force on the cart 1.

[0041] In this embodiment, the cart 1 includes a first locking device 2, which includes a first fixing block 21, a first spring and a first locking rod 23. The first locking rod 23 is provided with a first rod handle 231. The first fixing block 21 is provided with a first fixing hole 211. The first fixing block 21 is provided on the first fixing plate 1332. The first fixing hole 211 corresponds to the first limiting hole 1331 up and down. The first fixing block 21 is provided with a first groove 212. A side wall of the first groove 212 is provided with a first rod hole. The first rod hole is connected with the first fixing hole 211. The first locking rod 23 is placed in the first groove 212. The first spring is sleeved on one end of the first locking rod 23. One end of the first spring is connected to the other side wall of the first groove 212, and the other end is against the first rod handle 231. The other end of the first locking rod 23 passes through the first rod hole and is inserted into the first fixing hole 211, and is used to insert the locking hole of the lock head placed in the first fixing hole 211. The upper side wall of the LED display screen is locked by the first locking device 2.

[0042] In this embodiment, the first fixing block 21 is provided with a first slot 214, one end of the first slot 214 is connected to the first slot 212, and the other end of the first slot 214 passes through a side wall of the first fixing block 21. The first locking rod 23 rotates, and the first rod handle 231 is inserted into the first slot 214. Inserting the first rod handle 231 into the first slot 214 blocks the movement of the first locking rod 23, thereby preventing the first locking device 2 from being automatically unlocked.

[0043] In this embodiment, first protective plates 1312 are respectively disposed on both side walls of the first baffle 131. The first protective plates 1312 have a protective function to prevent the LED display screen placed in the installation space from being hit.

[0044] In this embodiment, the upper side wall of the base 11 is provided with a connecting pin 112, and the lower side wall of the first connecting bracket 132 is provided with a first connecting hole, and the connecting pin 112 is inserted into the first connecting hole. The connecting pin 112 is plugged into the first connecting hole to connect the first connecting bracket 132 to the base 11.

[0045] In this embodiment, the connecting pin 112 protrudes out of the first connecting hole, and a locking hole is provided at one end of the connecting pin 112 .

[0046] The cart 1 includes a second locking device 3, which includes a second fixing block 31, a second spring and a second locking rod 33. The second locking rod 33 is provided with a second rod handle 331. The second fixing block 31 is provided on the first connecting bracket 132. The second fixing block 31 is provided with a second groove 311. A side wall of the second groove 311 is provided with a second rod hole. The second locking rod 33 is placed in the second groove 311. The second spring is sleeved on one end of the second locking rod 33. One end of the second spring is connected to the other side wall of the second groove 311, and the other end is connected to the second rod handle 331. The other end of the second locking rod 33 passes through the second rod hole, the second fixing block 31 is provided with a second slot 313 and a third slot 314, one end of the second slot 313 and the third slot 314 are connected to the second slot 311, and the other end of the second slot 313 and the third slot 314 passes through a side wall of the second fixing block 31, the first locking rod 23 rotates, when the second rod handle 331 is inserted into the third slot 314, the second locking rod 33 is inserted into the lock hole, and when the second rod handle 331 is inserted into the second slot 313, the second locking rod 33 exits the lock hole. By locking or unlocking the second locking device 3 and the connecting pin 112, the first connecting bracket 132 is detachably connected to the base 11.

[0047] In this embodiment, the left side wall of the first connection bracket 132 is provided with a second connection hole 1322, the first baffle 131 is provided with a rotation lock 1313, the rotation lock 1313 includes a rotation mechanism 13131 and a rotation lock head 13132, the rotation mechanism 13131 is connected to the rotation lock head 13132, the rotation lock head 13132 is inserted into the second connection hole 1322, the rotation mechanism 13131 drives the rotation lock head 13132 to rotate a first rotation angle, the rotation lock head 13132 is misaligned with the second connection hole 1322, the rotation lock 1313 is in a locked state, the rotation mechanism 13131 drives the rotation lock head 13132 to rotate a second rotation angle, the rotation lock head 13132 is aligned with the second connection hole 1322, and the rotation lock 1313 is in an unlocked state. The first connection bracket 132 is detachably connected to the first baffle 131 by connecting the rotation lock 1313 to the second connection hole 1322.

[0048] In this embodiment, the upper side wall of the first connecting bracket 132 is provided with a first positioning pin 1323, the first fixing bracket 133 is provided with a first positioning hole 1334, the first positioning pin 1323 is inserted into the first positioning hole 1334, and the first fixing bracket 133 is respectively in contact with the upper side wall of the first connecting bracket 132 and the first baffle 131. The first positioning pin 1323 is connected with the first positioning hole 1334, so that the first fixing bracket 133 is installed on the first connecting bracket 132 and the first baffle 131.

[0049] In this embodiment, the lower side wall of the base 11 is provided with a frame 113, and the frame 113 is provided with a frame slot 1131 for a forklift to be inserted into. When the first cart 1 needs to be moved, the forklift can be used for transportation, thus avoiding manual force by the user.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cart for transporting LED display screens, characterized in that: The device comprises a base, at least three casters, a left bracket and a right bracket, wherein the at least three casters are arranged on the lower side wall of the base, the left bracket and the right bracket are arranged on the upper side wall of the base, and an installation space is formed between the left bracket, the base and the right bracket, and the installation space is used to install a plurality of LED display screens arranged in parallel; The left bracket includes a first baffle, a first connecting bracket and a first fixing bracket, wherein the first connecting bracket is arranged on the upper side wall of the base, the first baffle is arranged on the left side wall of the first connecting bracket, and the first fixing bracket is arranged on the upper side wall of the first connecting bracket; The right bracket includes a second baffle, a second connecting bracket and a second fixing bracket, wherein the second connecting bracket is arranged on the upper side wall of the base, the second baffle is arranged on the right side wall of the second connecting bracket, and the second fixing bracket is arranged on the upper side wall of the second connecting bracket; The upper side wall of the base is provided with a plurality of limit pins, each of which is used to be inserted into the lower side wall of an LED display screen; The first baffle is provided with a plurality of first clamps, each of which is used to clamp into the left side wall of an LED display screen, and the first fixing bracket is provided with a plurality of first limiting holes, each of which is used to allow a lock head of an upper side wall of an LED display screen to be inserted; The second baffle is provided with a plurality of second clamps, each of which is used to clamp into the right side wall of an LED display screen, and the second fixing bracket is provided with a plurality of second limiting holes, each of which is used to allow a lock head of an upper side wall of an LED display screen to be inserted; The first fixing bracket includes a first fixing plate and a handle bracket, the handle bracket is arranged on the first fixing plate, and the first limiting hole is arranged on the first fixing plate; The cart includes a first locking device, the first locking device includes a first fixing block, a first spring and a first locking rod, the first locking rod is provided with a first rod handle, the first fixing block is provided with a first fixing hole, the first fixing block is provided in the first fixing plate, the first fixing hole corresponds to the first limiting hole up and down, the first fixing block is provided with a first groove, a side wall of the first groove is provided with a first rod hole, the first rod hole is communicated with the first fixing hole, the first locking rod is placed in the first groove, the first spring is sleeved on one end of the first locking rod, one end of the first spring is connected to the other side wall of the first groove, and the other end is against the first rod handle, the other end of the first locking rod passes through the first rod hole, is inserted into the first fixing hole, and is used to be inserted into the locking hole of the lock head placed in the first fixing hole; The two side walls of the first baffle are respectively provided with first guard plates.

2. The trolley for transporting LED display screens according to claim 1, characterized in that: The first fixing block is provided with a first card slot, one end of the first card slot is connected to the first groove, and the other end of the first card slot passes through a side wall of the first fixing block. When the first locking rod rotates, the first rod handle is inserted into the first card slot.

3. The cart for transporting LED display screens according to claim 1, characterized in that: The upper side wall of the base is provided with a connecting pin, the lower side wall of the first connecting bracket is provided with a first connecting hole, and the connecting pin is inserted into the first connecting hole.

4. The cart for transporting LED display screens according to claim 3, characterized in that: The connecting pin protrudes out of the first connecting hole, and a locking hole is provided at one end of the connecting pin; The cart includes a second locking device, the second locking device includes a second fixing block, a second spring and a second locking rod, the second locking rod is provided with a second rod handle, the second fixing block is arranged on the first connecting bracket, the second fixing block is provided with a second groove, a side wall of the second groove is provided with a second rod hole, the second locking rod is placed in the second groove, the second spring is sleeved on one end of the second locking rod, one end of the second spring is connected to the other side wall of the second groove, and the other end is against the second rod handle, and the other end of the second locking rod passes through the second rod hole, the second fixing block is provided with a second clamping groove and a third clamping groove, one end of the second clamping groove and the third clamping groove is connected to the second groove, and the other end of the second clamping groove and the third clamping groove passes through a side wall of the second fixing block, the first locking rod rotates, when the second rod handle is clamped into the third clamping groove, the second locking rod is inserted into the locking hole, and when the second rod handle is clamped into the second clamping groove, the second locking rod withdraws from the locking hole.

5. The cart for transporting LED display screens according to claim 1, characterized in that: A second connecting hole is provided on the left side wall of the first connecting bracket, and a rotating lock is provided on the first baffle. The rotating lock includes a rotating mechanism and a rotating lock head. The rotating mechanism is connected to the rotating lock head, and the rotating lock head is inserted into the second connecting hole. The rotating mechanism drives the rotating lock head to rotate a first rotation angle, and the rotating lock head is misaligned with the second connecting hole, and the rotating lock is in a locked state. The rotating mechanism drives the rotating lock head to rotate a second rotation angle, and the rotating lock head is aligned with the second connecting hole, and the rotating lock is in an unlocked state.

6. The cart for transporting LED display screens according to claim 1, characterized in that: The upper side wall of the first connecting bracket is provided with a first positioning pin, the first fixing bracket is provided with a first positioning hole, the first positioning pin is inserted into the first positioning hole, and the first fixing bracket abuts against the upper side wall of the first connecting bracket and the first baffle respectively.

7. The cart for transporting LED display screens according to claim 1, characterized in that: A frame body is provided on the lower side wall of the base, and the frame body is provided with a frame groove for a forklift to be inserted into.

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