LED screen travelling crane

Abstract

The invention relates to the technical field of display screen travelling cranes, in particular to an LED screen travelling crane which comprises a chassis assembly, a plurality of sliding wheels and a first bracket are installed on the bottom face of the chassis assembly, and a plurality of clamping fixing holes are formed in the side edge of the chassis assembly; the baffle assembly comprises a front guardrail and a side guardrail which are detachably clamped into the clamping fixing holes; front face guardrail locks are installed on the two sides of the front face guardrail, lock cylinder handles on the front face guardrail locks are stretched and rotated to be clamped into first fixing holes of the adjacent side face guardrails to be clamped and positioned, and side face guardrail locks for overturning and locking the box body are installed on the two side face guardrails. The top supporting assembly is arranged above the baffle assembly, and the top of the top supporting assembly is provided with a bracket which can be matched with the first bracket and is fixed through a first plug pin. The loading device has the advantages of high loading capacity, simplicity in operation, good stability and the like.

Description

Technical Field

[0001] The invention relates to the technical field of display screen aerial vehicles, in particular to an LED screen aerial vehicle. Background Art

[0002] With the development of economy, people have higher and higher requirements for efficiency. The LED screens on the market need to be transported by aerial vehicles when they are assembled and used.

[0003] At present, the steps for loading and removing boxes on the aerial vehicles on the market are relatively complicated, and the carrying capacity is low. There are also disadvantages such as poor stability during use.

[0004] Therefore, it is urgent to provide a LED screen vehicle to overcome the above-mentioned defects. Summary of the invention

[0005] The main purpose of the present invention is to provide an LED screen aerial vehicle, which has the advantages of high loading capacity, simple operation and good stability.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] An LED screen vehicle, comprising:

[0008] A chassis assembly, on the bottom of which a plurality of sliding wheels and a bracket are installed, and a plurality of engaging fixing holes are formed on the side of the chassis assembly;

[0009] The baffle assembly includes a front guardrail and a side guardrail that are detachably snapped into the snap-fit ​​fixing hole; front guardrail locks are installed on both sides of the front guardrail, and the lock cylinder handle on the front guardrail lock is snapped into one of the fixing holes of the adjacent side guardrail by stretching and rotating, and the side guardrail locks with flip locking boxes are installed on the two side guardrails;

[0010] A top support component is arranged above the baffle component, and a bracket which can be matched with the bracket and fixed by a latch is arranged on the top.

[0011] In an LED screen trolley of the present invention, the bracket 1 is installed at the bottom end of the chassis assembly, and the top support assembly is installed on the top. When in use, the bracket 1 at the bottom end of different LED screen trolleys is clamped and fixed to the top support assembly, so that the stacking of products can be achieved, thereby increasing the handling efficiency of the products. In addition, the lower ends of the side guardrails and the front guardrails are clamped and connected to the chassis assembly, and the front guardrail lock is installed on the front guardrail of the LED screen trolley. The front guardrail lock is stretched and rotated to clamp and connect to the side guardrail, so that the baffle assembly can be fixed. The assembly and installation of this product is simple and has a large loading capacity. In addition, the side guardrail lock is installed on the side guardrail, and the side guardrail lock can be rotated to quickly lock the box, thereby improving work efficiency and improving the stability of the product after loading. This product has the advantages of high loading capacity, simple operation and good stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic structural diagram of an LED screen drone according to an embodiment of the present invention.

[0013] Figure 2 for Figure 1 A structural decomposition diagram of .

[0014] Figure 3 for Figure 1 Another structural decomposition diagram of .

[0015] Figure 4 It is a schematic structural diagram of a chassis lock according to an embodiment of the present invention.

[0016] Figure 5 for Figure 4 A schematic diagram of the structure after the first lock seat is hidden.

[0017] Figure 6 Schematic diagram of the structure of the fixing base of this embodiment.

[0018] Figure 7 Schematic diagram of the structure of the latch of this embodiment.

[0019] Figure 8 A cross-sectional view of a latch module in which a first latch is pushed into a clamping and fixing via hole.

[0020] Fig. 9 A cross-sectional view of a latch module in which a first latch is pulled out and clamped into a fixed via hole.

[0021] Fig.10 It is a cross-sectional view of the latch module with the first latch pushed into the fixed through hole and locked.

[0022] Fig.11 This is a structural schematic diagram of the front guardrail lock of this embodiment.

[0023] Fig.12 for Fig.11 Schematic diagram of the structural decomposition.

[0024] Fig.13 Schematic diagram of the structure of a side guardrail lock according to an embodiment of the present invention.

[0025] Fig.14 for Fig.13 1. Schematic diagram of structural decomposition.

[0026] Fig.15 for Fig.13 Schematic diagram of further structural decomposition.

[0027] Fig.16 for Fig.13 Another perspective structural diagram of .

[0028] Fig.17 for Fig.16 Sectional view of AA. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0030] See also Figures 1 to 3 , a LED screen vehicle of this embodiment includes: a chassis component 1, a baffle component 2, a top support component 3 and a baffle 4, wherein the bottom end of the baffle component 2 is clamped and fixed on the chassis component 1, the baffle component 2 is fixed by a front guardrail lock B, the top support component 3 is installed above the baffle component 2, and the baffle 4 is detachably installed on the side of the chassis component 1. Specifically, the baffle is provided with a plug-in column 41 on one side facing the chassis component 1, and an elastic member 42 is sleeved on the outer peripheral side of the plug-in column 41; a clamping fixing seat 1 is installed on the bottom surface of the chassis component 2, and a channel 2 is formed in the clamping fixing seat 1, and the channel 2 is connected to the channel 3 on the side of the bottom frame of the chassis component. The installation of the baffle 4 makes this product have a better protection function, and the addition of the clamping fixing seat 1 makes the baffle 4 easy to disassemble and assemble, and the plug-in column 41 can be aligned with the channel 2 and the channel 3, and the assembly is convenient and quick.

[0031] In a preferred embodiment, a plurality of sliding wheels 11 and a bracket 12 are installed on the bottom surface of the chassis assembly 1, and a plurality of engaging and fixing holes 141 are formed on the side of the chassis assembly 1. Specifically, the chassis assembly 1 comprises: a supporting bottom plate 13, a fixing frame 14 fixing the supporting bottom plate 13, and a plurality of supporting horizontal bars 16 disposed on the supporting bottom plate 13 and having a plurality of chassis locks A and a plurality of box positioning pins 15 installed on the upper end surface; the engaging and fixing holes 141 are formed on the fixing frame 14.

[0032] Please combine Figures 4 to 7 The chassis lock A comprises: a first lock seat A1, a fixing seat A2, a latch module A3 and an elastic positioning component A4, wherein a snap-fitting fixed through hole A11 is formed on one end of the first lock seat A1, the fixing seat A2 is arranged beside the first lock seat A1, and is formed with a first channel A21 opposite to the snap-fitting fixed through hole A11, and a second channel A22 partially overlapped with the first channel A21 and partially located beside the first channel A21 to conduct the first channel A21, the latch module A3 comprises a first latch A31 and a second latch A32 snap-fitted at a certain angle, pushing the second latch A32, the first latch A31 and the second latch A32 to move along the first channel A21 and the second channel A22 accordingly, the first latch A31 penetrates the snap-fitting fixed through hole A11 and locks the first lock seat A1, and elastic positioning of the first latch A31, a protrusion b are installed in the fixing seat A2 and on both sides of the first channel A21. 1 / The balls Ad3 respectively abut against a group of elastic positioning components A4 of the first latch pin A31.

[0033] Specifically, a limiting groove Aa1 and a positioning groove Aa2 are formed on the first latch pin A31, and the direction of the limiting groove Aa1 is consistent with that of the second channel A22. The positioning groove Aa2 is located beside one end of the limiting groove Aa1. A limiting portion Ac is formed on the outer side of one end of the first latch pin A31 toward the first lock seat A1. The limiting portion Ac is cut and formed by the side surface of one end of the first latch pin A31, and a stepped sliding groove is formed with a decreasing cutting depth. During the process of opening and closing the lock, the protrusion b1 abuts against the sliding groove and moves. The setting of the limiting portion Ac abuts against the first lock seat A1 when locking, thereby having a limiting function for the displacement of the first latch pin A31. The second latch A32 vertically passes through one end of the first latch A31, and glue is applied between the first latch A31 and the second latch A32, which effectively improves the stability of the product. Furthermore, the diameter of one end of the second latch A32 connected to the first latch A31 is smaller than the other end, so that the second latch A32 can be better opened and closed when it is engaged in the second channel A22.

[0034] The elastic positioning component A4 includes: an abutting positioning member A41 that penetrates the fixed seat A2, and the protrusion b1 abuts against the first pin A31 to slide or be clamped into the limiting groove a2, and an elastic positioning unit A42 provided at the other end of the first pin A31, the ball b2 abuts against and is limited in the limiting groove Aa1 to slide and interacts with the abutting positioning member A41 according to the elastic force to press against the first pin A31. The elastic positioning unit A42 includes: a first base Ad1 fixed on the fixed seat A2, an elastic member Ad2 with one end sleeved on the fixed axis of the first base Ad1, a movable pin Ad4 with one end clamped and fixed to the other end of the elastic member Ad2, and the other end clamped and fixed to the ball Ad3, both ends of the movable pin Ad4 are formed with clamping and fixing grooves, the ball Ad3 is clamped and fixed on one of the clamping and fixing grooves, the protrusion b1 is hemispherical, and the ball Ad3 is spherical.

[0035] Please combine Figures 8 to 10 , push the second latch A32 toward the first lock seat A1, and the first latch A31 is inserted into the clamping and fixing through hole A11. During this process, the first latch A31 and the second latch A32 move along the first channel A21 and the second channel A22 respectively, and synchronously, the ball Ad3 slides along the limiting groove Aa1 and moves to the position as shown in FIG. Figure 8 As shown, the limiting portion Ac stops moving, the second latch A32 is turned over, and the protrusion b1 is engaged with the positioning groove Aa2. Fig.10 As shown, the locking function is realized; when opening, pull up and pull out the second latch A32 in the reverse direction to Fig. 9 As shown, the ball Ad3 and the limiting groove Aa1 realize the limiting function, and the first lock seat A1 is opened. The chassis lock A is used to facilitate the rapid assembly and fixation of the product.

[0036] The baffle assembly 2 includes a front guardrail 21 and a side guardrail 22 that are detachably snapped into the snap-fit ​​fixing hole; front guardrail locks B are installed on both sides of the front guardrail 21, and the lock cylinder handle B32 on the front guardrail lock B is pulled and rotated to snap into the fixing hole of the adjacent side guardrail 22 for snapping and positioning, and side guardrail locks C with flip-locking boxes are installed on both side guardrails 22. Specifically, the two side guardrails 22 are respectively arranged on the left and right sides of the front guardrail 21. Please refer to the following figure for details. Fig.11 and Fig.12The front guardrail lock B includes: a lock box B1 fixed on the front guardrail 21 and formed with a channel 1, a lock core module B3 with one end inserted into the lock box B1 and limited to move in the lock box B1 by an elastic member 2 B2, and the other end rotatably inserted into the fixed lock hole of the side guardrail 22, the lock core module B3 includes: a lock core first base B31 installed in the channel 1, one end fixedly connected to the lock core first base B31, and the other end of the lock core handle B32 passing through the channel 1 and arranged outside the lock box B1; the elastic member 2 B2 is arranged in the channel 1, and is sleeved on the lock core handle B32, and is compressed by the lock core first base B31 according to the force and limited by the inner wall of the lock box B1.

[0037] The side guardrail lock C includes: a lock seat C1, a rotating drum mechanism C2, a latch C3, a handle C4 and a glass bead structure C5. The lock seat C1 is installed on the side guardrail, penetrates a first channel C11 of a side lock core and is installed with a glass bead structure C5 which partially protrudes toward the first channel C11 of the side lock core. The rotating drum mechanism C2 penetrates the first channel C11 of the side lock core, is screwed to the lock seat C1, and a groove abuts the glass bead structure C5. The latch C3 and the rotating drum mechanism C2 vertically penetrate one end of the rotating drum mechanism C2, and the other end is used to be inserted into the fixing hole of the box body. The handle C4, the rotating drum mechanism C2 and the latch C3 are vertically fixed to the other end of the rotating drum mechanism C2 by a fixing member; when the handle C4 is rotated, the rotating drum mechanism C2 and the latch C3 are linked to drive the latch C3 to rise / fall.

[0038] In a preferred embodiment, the lock seat C1 is square, the side lock core first channel C11 is formed through the lock seat C1, and a lock core second channel is formed in the lock seat C1 and is perpendicular to the side lock core first channel C11, the glass bead structure C5 is installed in the lock core second channel, and the glass bead structure C5 includes a screw body 51 screwed into the lock core second channel, and a glass bead 52 protruding from one end of the screw body 51 and facing the side lock core first channel C11. An internal thread is formed in the side lock core first channel C11.

[0039] The rotating roller mechanism C2 includes: a roller C21 that penetrates the first channel C11 of the side lock core and is formed with an external thread a1 to match the lock seat C1 for rotation and movement; a second clamping member C22 that is sleeved on the roller C21 and is provided on one end side of the lock seat C1 and limits the displacement of the roller C21 with a first clamping portion Cb2 on the roller C21; at least two grooves Cb1 are formed on the roller C21; when the handle C4 is rotated, the glass bead structure C5 is clamped from one groove Cb1 to another groove Cb1 and lifts up the roller C21 during the movement; the second clamping member C22 is a retaining spring; the first clamping portion Cb2 is integrally formed and convexly provided on the roller C21, and the second clamping member C22 is respectively provided on both sides of the lock seat C1. Specifically, the roller C21 is cylindrical, and a missing block is formed on the outer side of one end of the roller C21 connected to the handle C4. The end of the handle C4 connected to the roller C21 is sleeved with a connecting sleeve C41. The connecting sleeve C41 is penetrated by the fixing member and a clamping fixing groove for clamping the roller C21 is formed on the connecting sleeve C41. The fixing member is a screw. When the handle C4 is rotated, the connecting sleeve C41 drives the roller C21 to rotate. During the rotation process, the glass bead structure C5 slides against the groove Cb1 and slides into another groove Cb1. At the same time, the latch C3 rises / falls, thereby realizing the function of fixing the box or opening the box. Further, a hose C31 is sleeved on one end of the latch C3 inserted into the box. The hose C31 is a plastic tube. The use of the hose C31 helps to protect the box and further avoid wear of the box.

[0040] When installing the side guardrail lock of this embodiment, the lock seat C1 is fixed on the guardrail, the roller C21 passes through the lock seat C1 and the guardrail, the retaining spring is engaged with the retaining groove corresponding to the roller C21 and is arranged on one side of the guardrail, the latch C3 is inserted into the fixing hole of the box body, and the handle C4 is located on the outside of the guardrail. When the handle C4 is rotated, the roller C21 rotates in conjunction with it to lift the latch C3 to unlock, and the handle C4 is reset and rotated, and the latch C3 can be reinserted into the fixing hole to lock the box body.

[0041] The design of the side guardrail lock C makes the locking of the box quick and convenient, and at the same time improves the stability of product packaging.

[0042] The top support assembly 3 of this embodiment is arranged above the baffle assembly 2. A bracket 32 is provided at the top, which can be paired with the first bracket 12 and is fixed by a first pin 31. The first bracket 12 is in a U shape, and fixing through holes are formed through both side surfaces. The bracket 32 is in a U shape and is formed with a first fixing through hole for mating with the fixing through hole. Both the fixing through hole and the first fixing through hole are fixed by the first pin 31 passing through. At both ends of the first bracket 12, engaging and positioning plates D for clamping and positioning the bracket 32 extend downward. The top support assembly 3 is installed after installing the box body equipped with the wind resistance frame.

[0043] As can be seen from the above description, an LED screen navigation of the present invention has the advantages of high loading capacity, simple operation, and good stability.

[0044] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A LED screen vehicle, characterized in that: include: A chassis assembly, on the bottom of which a plurality of sliding wheels and a bracket are installed, and a plurality of engaging fixing holes are formed on the side of the chassis assembly; The baffle assembly includes a front guardrail and a side guardrail that are detachably snapped into the snap-fit ​​fixing hole; front guardrail locks are installed on both sides of the front guardrail, and the lock cylinder handle on the front guardrail lock is snapped into one of the fixing holes of the adjacent side guardrail by stretching and rotating, and the side guardrail locks with flip locking boxes are installed on the two side guardrails; A top support component is arranged above the baffle component, and a bracket which can be matched with the bracket and fixed by a latch is arranged on the top.

2. The LED screen vehicle as claimed in claim 1, characterized in that: The chassis assembly includes: a supporting bottom plate, a fixing frame fixing the supporting bottom plate, and a plurality of supporting cross bars arranged on the supporting bottom plate and having a plurality of chassis locks and a plurality of box positioning pins installed on the upper end surfaces; the engaging fixing holes are formed on the fixing frame.

3. The LED screen vehicle as claimed in claim 1, characterized in that: The bracket 1 is in a U-shape, and both side surfaces are formed with fixing through holes. The bracket is in a U-shape and is formed with fixing through holes 1 used in pair with the fixing through holes. The fixing through holes and the fixing through holes 1 are both fixed by the pin 1.

4. The LED screen vehicle as claimed in claim 3, characterized in that: Both ends of the bracket 1 extend downwards to form a clamping and positioning plate for clamping and positioning the bracket.

5. The LED screen vehicle as claimed in claim 2, characterized in that: The chassis lock comprises: A first lock seat, one end of which is formed with a clamping fixing hole; A fixing seat, disposed beside the first lock seat, formed with a first channel opposite to the clamping fixing through hole, and a second channel partially overlapping with the first channel and partially located beside the first channel to conduct the first channel; The latch module includes a first latch and a second latch that are locked at a certain angle, pushing the second latch, the first latch and the second latch to move along the first channel and the second channel respectively, and the first latch penetrates the locking and fixing through hole and locks the first lock seat.

6. The LED screen vehicle as claimed in claim 1, characterized in that: The side guardrail lock comprises: A lock seat, installed on the side guardrail, having a first lock core passage formed therethrough and having a glass bead structure partially protruding toward the first lock core passage; A rotating roller mechanism passes through the first channel of the lock core, is threadedly connected to the lock seat, and has a groove abutting against the glass bead structure; A latch, which penetrates one end of the rotating drum mechanism perpendicularly to the rotating drum mechanism, and the other end is used to be inserted into the fixing hole of the box body; The handle is fixed to the other end of the rotating drum mechanism by a fixing member perpendicular to the rotating drum mechanism and the latch; the handle is rotated and the rotating drum mechanism is linked therewith to drive the latch to rise / fall.

7. The LED screen vehicle as claimed in claim 1, characterized in that: The front guardrail lock includes: a lock box fixed on the front guardrail and formed with a channel, a lock core module with one end inserted into the lock box and limited by elastic member 2 for movement in the lock box, and the other end rotatably inserted into a fixed lock hole of the side guardrail.

8. The LED screen vehicle as claimed in claim 7, characterized in that: The lock core module includes: a first base installed in the channel one, one end of which is fixedly connected to the first base, and the other end of which passes through the channel one and is arranged outside the lock box; the elastic member 2 is arranged in the channel one and is sleeved on the lock core, compressed by the first base according to the force and limited by the inner wall of the lock box.

9. The LED screen drone as described in any one of claims 1 to 8, characterized in that: A baffle is detachably mounted on the side of the chassis assembly.

10. The LED screen vehicle as claimed in claim 9, characterized in that: The baffle plate has a protruding plug-in column on one side facing the chassis assembly, and an elastic member is sleeved on the outer peripheral side of the plug-in column; a snap-fit ​​fixing seat is installed on the bottom surface of the chassis assembly, and a channel 2 is formed in the snap-fit ​​fixing seat, and the channel 2 is connected to a channel 3 on the side of the bottom frame of the chassis assembly.

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