Variable notice board based on LED display

Abstract

The invention relates to the technical field of airport notice boards, in particular to a variable notice board based on LED display, which comprises a notice board main body, an assembly bottom frame, a support assembly and a regulation and control assembly, in the notice board assembly and positioning work, a side through groove is formed in one side of a bearing body, and the side through groove is matched with a fastening clamping plate for use; one end of the fastening clamping plate is clamped with a fastening clamping groove in one side of the loading clamping seat; according to the technical scheme, a fastening clamping plate is locked by arranging an assembling and locking component, the stability of clamping installation of the fastening clamping plate and a fastening clamping groove can be further improved, and in order to enable supporting of the signboard to better adapt to an uneven supporting body or the ground, the supporting assembly and the adjusting and controlling assembly are matched for use, so that the supporting effect is improved, and the practicability is high. The flexibility and the adaptability of the support work of the notice board are improved; the supporting device does not need to be detached when the notice board is detached; leveling treatment is not needed during installation of the notice board, and the notice board can be directly assembled.

Description

Technical Field

[0001] The invention relates to the technical field of airport sign boards, in particular to a variable sign board based on LED display. Background Art

[0002] The existing document with publication number CN203276739U discloses a signboard for an airport taxiway and terminal guidance indication marking display system, the scheme of which includes a shell, support columns installed along the left and right walls of the shell, a display panel for displaying instruction marks and / or information marks, a light source for illuminating the display panel and a rear wall for scattering the light source, the periphery of the display panel is connected to the shell through a strip connecting piece, each strip connecting piece is provided with two grooves, which respectively clamp the display panel and the shell; in the scheme, each identical component is made into a standard part, which is convenient for assembly, repair and maintenance, thereby improving production efficiency, improving the interchangeability of identical components and component standardization, and the convenience of repair and maintenance; the shell is connected by a main body corner joint, which avoids tensile fracture at the bend caused by bending, and improves the firmness and stability of the signboard.

[0003] In order to improve the flexibility of use of signboards, LEDs are used for display control in the prior art. The existing LED display signboards are the same as ordinary signboards in installation and use. Generally, a mounting base is set on the bottom side of the signboard, and the mounting base is fixed to the corresponding support body by anchor rods or bolts; the bottom side of the signboard and the mounting base are generally welded during production. Later, when it is necessary to partially replace the bottom side frame of the signboard or replace the signboard as a whole, the mounting base needs to be disassembled from the support body as a whole, which is inconvenient. After the maintenance work is completed, the signboard needs to be repositioned and installed; furthermore, the support body used for installation support is either directly fixed on the ground or a support platform made of cement or sand and gravel, and its horizontality is difficult to ensure, which in turn affects the installation of the signboard.

[0004] To this end, the present invention proposes a variable signboard based on LED display to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a variable sign based on LED display to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a variable signboard based on LED display, comprising a signboard body, an assembly bottom frame, a support component and a regulating component; The two sides of the sign body are symmetrically provided with assembly side frames, the top of the sign body is provided with an assembly top frame, and the bottom of the sign body is provided with an assembly bottom frame; The support component is connected to the regulating component, and the support component is arranged on the support body, and the regulating component is connected to the assembly bottom frame.

[0007] Preferably, loading seats are fixedly provided at equal intervals on the bottom side of the assembly bottom frame, and a fastening slot is provided on one side of the loading seat.

[0008] Preferably, the support assembly includes a support cylinder, a fixed plate, a reinforcing plate, a fixed anchor rod and an internally threaded fastening cap; a fixed plate is fixedly arranged at the bottom end of the support cylinder, the fixed plate is fixed by a fixed anchor rod, and an internally threaded fastening cap is arranged on the fixed anchor rod, and a reinforcing plate is fixedly arranged equidistantly on one side of the fixed plate connected to the support cylinder.

[0009] Preferably, the supporting cylinder is connected to the regulating component, and the regulating component includes a regulating threaded column, a connecting disk body, a handle, a connecting column, an auxiliary bearing, an extension body, a carrier body, a loading cavity and a fastening component; the regulating threaded column is threadedly connected to the supporting cylinder, and a connecting disk body is fixedly provided on the top end of the regulating threaded column, a handle is symmetrically fixedly provided on the side of the connecting disk body, a connecting column is fixedly provided on the top end of the connecting disk body, and one end of the connecting column is inserted in the auxiliary bearing.

[0010] Preferably, the auxiliary bearing is embedded in the extension body, the extension body is fixedly arranged at the bottom end of the carrier, the top end of the carrier is provided with a loading cavity, the loading cavity is adapted to be plugged in with the loading seat, and the loading seat is fastened by a fastening assembly.

[0011] Preferably, the fastening assembly includes a side through slot, a fastening card plate, a push-pull handle, an arc-shaped auxiliary surface, an installation slot and an assembly locking component; the side through slot is arranged on one side of the carrier, and the side through slot is connected to the loading cavity slot, the fastening card plate is adapted to be plugged in the side through slot, and one end of the fastening card plate is adapted to be plugged in the fastening card slot.

[0012] Preferably, a push-pull handle is fixedly provided at one end of the fastening card plate, and an arc-shaped auxiliary surface is provided on the end surface of the other end of the fastening card plate, and a mounting slot is provided on the arc-shaped auxiliary surface.

[0013] Preferably, the fastening clamp is locked by means of an assembled locking component.

[0014] Preferably, the assembled locking component includes a accommodating cavity, a placement slot, a cylindrical through slot, a locking pin, an auxiliary spring, a placement chuck and a locking slot; the accommodating cavity is arranged in the carrier, and the bottom end of the accommodating cavity is connected to the side through slot, a placement slot is arranged at the top slot position of the accommodating cavity, a locking pin is placed in the accommodating cavity, an auxiliary spring is fixedly provided at one end of the locking pin, and the other end of the auxiliary spring is fixedly provided on the placement chuck, the placement chuck is adapted to be clamped in the placement slot, and the placement chuck is fixed by a screw.

[0015] Preferably, the cylindrical through groove is arranged in the carrier, and one end of the cylindrical through groove is connected to the side through groove, and the other end of the cylindrical through groove is penetrated at the bottom end of the carrier, the cylindrical through groove and the accommodating cavity groove are arranged in corresponding positions, the number of groups is the same, and the calibers of the two are set equal, the locking slot is arranged in the fastening card plate, and the locking slot is penetrated, the locking slot is arranged in a cylindrical shape, and the locking slot and the cylindrical through groove are arranged in corresponding positions, the number of groups is the same, and the calibers of the two are set equal.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The sign board designed by the present invention includes a sign board main body, an assembled bottom frame, a support component and an adjustment component. During the assembly and positioning work of the sign board, the support component is first positioned on the support body, and then the loading card seat on the bottom side of the assembled bottom frame is directly clamped in the loading cavity groove on the carrier body; in order to improve the clamping stability of the loading card seat and the loading cavity groove, the present scheme arranges a side through groove on one side of the carrier body, and the side through groove is used in conjunction with a fastening card plate, so that one end of the fastening card plate is clamped with the fastening card groove on one side of the loading card seat; by arranging an assembly locking component to lock the fastening card plate, the stability of the clamping installation of the fastening card plate and the fastening card groove can be further improved, so that the support of the sign board can better adapt to the uneven support body or ground. In this scheme, the support component and the regulating component are used in coordination to improve the flexibility and adaptability of the support work of the sign board; in this scheme, a loading card seat is set at the bottom end of the assembly bottom frame for coordination with the carrier, that is, the splicing of the sign board and the support device is realized. In the later maintenance and replacement work, if the assembly side frame on the side of the sign board body is maintained, it can be directly replaced; when the assembly bottom frame is replaced and maintained, the loading card seat and the loading cavity groove can be contacted for clamping and fixing, the sign board body can be removed, and then the assembly bottom frame can be maintained. In this process, on the one hand, when removing the sign board, there is no need to disassemble its supporting device; on the other hand, after maintenance, there is no need to perform leveling for the installation of the sign board, and it can be directly assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure connection of the sign board of the present invention; Figure 2 for Figure 1 A magnified schematic diagram of the structural connection at center A; Figure 3 This is a schematic diagram of the bottom side of the main structure connection of the sign of the present invention; Figure 4 for Figure 3 A magnified schematic diagram of the structural connection at B in the middle; Figure 5 It is an exploded top view of the structural connection between the support component and the regulating component of the present invention; Figure 6 for Figure 5 A magnified schematic diagram of the structural connection at C in the middle; Figure 7 An exploded bottom view of the structural connection between the support assembly and the regulating assembly of the present invention; Figure 8 for Figure 7 The enlarged schematic diagram of the structural connection at D in the middle; Fig. 9 This is a schematic diagram of the connection of the fastening card plate structure of the present invention; Fig.10 This is a schematic diagram of the structural connection of the cleaning accessories of the present invention; Fig.11 for Fig.10 The enlarged schematic diagram of the structural connection at E in the middle; Fig.12 for Fig.10 The enlarged schematic diagram of the structural connection at F in the middle; Fig.13 This is a schematic diagram of the unlocking rod structure connection of the present invention.

[0018] In the figure: the main body of the sign 1, the side frame 2, the bottom frame 3, the loading card seat 31, the fastening card slot 32, the support cylinder 401, the fixing plate 402, the reinforcing plate 403, the fixing anchor rod 404, the internal thread fastening cap 405, the regulating thread column 501, the connecting plate 502, the handle 503, the connecting column 504, the auxiliary bearing 505, the extension body 506, the bearing body 507, the loading cavity 508, the side through groove 601 , fastening card plate 602, push-pull handle 603, arc-shaped auxiliary surface 604, installation slot 605, accommodating cavity groove 701, placement card slot 702, cylindrical through slot 703, locking card pin 704, auxiliary spring 705, placement chuck 706, locking card slot 707, installation card plate 801, bearing strip 802, cleaning soft brush 803, hook-shaped cleaning soft strip 804, auxiliary sphere 805, unlocking rod 901, auxiliary handle 902. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figure 1-Figure 13 A variable sign based on LED display includes a sign body 1, an assembly bottom frame 3, a support component and a regulating component.

[0021] In the present scheme, assembly side frames 2 are symmetrically arranged on both sides of the sign body 1, an assembly top frame is arranged on the top of the sign body 1, and an assembly bottom frame 3 is arranged on the bottom of the sign body 1; wherein loading card seats 31 are equidistantly fixedly arranged on the bottom side of the assembly bottom frame 3, and a fastening card slot 32 is arranged on one side of the loading card seat 31, the assembly side frames 2 are assembled at the side positions of the sign body 1, and the assembly bottom frame 3 is assembled at the bottom end of the sign body 1, and during the assembly and positioning work of the sign, the support component is first positioned on the support body, and then the loading card seat 31 on the bottom side of the assembly bottom frame 3 is directly clamped in the loading cavity 508 on the carrier 507; wherein the support component is connected to the regulating component, and the support component is arranged on the support body, and the regulating component is connected to the assembly bottom frame 3.

[0022] In order to improve the connection stability between the loading card seat 31 and the loading cavity groove 508, the present solution sets a side through groove 601 on one side of the carrier 507, and the side through groove 601 is used in conjunction with the fastening card plate 602, so that one end of the fastening card plate 602 is connected to the fastening card groove 32 on one side of the loading card seat 31, that is, the side through groove 601 in the fastening assembly is set on one side of the carrier 507, and the side through groove 601 is connected to the loading cavity groove 508, and the fastening card plate 602 is adapted to be plugged into the side through groove 601. , and one end of the fastening card plate 602 is adapted to be snap-fitted with the fastening card slot 32; wherein a push-pull handle 603 is fixedly provided at one end of the fastening card plate 602, and an arc-shaped auxiliary surface 604 is provided at the end surface of the other end of the fastening card plate 602, and an installation slot 605 is provided on the arc-shaped auxiliary surface 604; wherein the fastening card plate 602 is locked by the provided assembly locking component; hold the push-pull handle 603 to insert the fastening card plate 602 from the side through slot 601, and then push the fastening card plate 602 until its end is snapped into the fastening card slot 32.

[0023] In order to further improve the stability of the fastening card plate 602 and the fastening card slot 32, the present solution locks the fastening card plate 602 by setting an assembly locking component, that is, during the process of inserting the fastening card plate 602 into the side through slot 601, one end of the locking card pin 704 installed in the accommodating cavity groove 701 extends into the side through slot 601, and as the fastening card plate 602 is inserted, the arc-shaped auxiliary surface 604 set at one end of the fastening card plate 602 squeezes the locking card pin 704, pressing the protruding part of the locking card pin 704 into the accommodating cavity groove 701. When the fastening card plate 602 is engaged with the fastening card slot 32, the locking card slot 707 set on the fastening card plate 602 reaches the locking card pin 704 position, that is, the locking card slot 707 is aligned with the locking card pin 704. At the same time, the locking card pin 704 extends outward under the action of the auxiliary spring 705, and one end of the locking card pin 704 is inserted into the locking card slot 707, thereby realizing the installation and locking work of the fastening card plate 602, which can further improve its stability. In this solution, the accommodating cavity groove 701 in the assembled locking component is arranged on the carrier 5 07, and the bottom end of the accommodating cavity groove 701 is connected to the side through groove 601, and a placement slot 702 is arranged at the top notch position of the accommodating cavity groove 701, and a locking bayonet 704 is placed in the accommodating cavity groove 701, and an auxiliary spring 705 is fixedly arranged at one end of the locking bayonet 704, and the other end of the auxiliary spring 705 is fixedly arranged on a placement chuck 706, and the placement chuck 706 is adapted to be clamped in the placement slot 702, and the placement chuck 706 is fixed by screws; a cylindrical through groove 703 is arranged in the carrier 507, and ... One end of the through slot 703 is connected to the side through slot 601, and the other end of the cylindrical through slot 703 is penetrated through the bottom end of the carrier 507. The cylindrical through slot 703 and the accommodating cavity slot 701 are set in corresponding positions, the same number of groups, and the same calibers. The locking slot 707 is set in the fastening card plate 602, and the locking slot 707 is penetrated. The locking slot 707 is set in a columnar shape, and the locking slot 707 and the cylindrical through slot 703 are set in corresponding positions, the same number of groups, and the same calibers.

[0024] In order to make the support of the sign better adaptable to the uneven support body or ground, the present scheme cooperates with the regulating component through the setting of the support assembly to improve the flexibility and adaptability of the sign support work; wherein the bottom end of the support cylinder 401 in the support assembly is fixedly provided with a fixing plate 402, and the fixing plate 402 is fixed by a fixing anchor rod 404, and the fixing anchor rod 404 is provided with an internal thread fastening cap 405, and the fixing plate 402 is fixedly provided with a reinforcing plate 403 at an equal distance on the side connected to the support cylinder 401; wherein the fixing plate 402 is provided with a mounting hole, and the fixing anchor rod 404 is inserted into the support body or the ground through the mounting hole, and then fastened by the internal thread fastening cap 405; and wherein the support cylinder 401 is connected to the regulating component, and the regulating component It includes a regulating threaded column 501, a connecting disk body 502, a handle 503, a connecting column body 504, an auxiliary bearing 505, an extension body 506, a carrier body 507, a loading cavity 508 and a fastening assembly; the regulating threaded column 501 is threadedly connected to the supporting cylinder body 401, and the top of the regulating threaded column 501 is fixedly provided with a connecting disk body 502, the side of the connecting disk body 502 is symmetrically fixedly provided with a handle 503, the top of the connecting disk body 502 is fixedly provided with a connecting column body 504, and one end of the connecting column body 504 is inserted into the auxiliary bearing 505; the auxiliary bearing 505 here is embedded in the extension body 506, the extension body 506 is fixedly provided at the bottom of the carrier body 507, and the top of the carrier body 507 is provided with a loading cavity 508, which is adapted to be inserted into the loading seat 31.

[0025] The use of the regulating component in this solution, on the one hand, is that during the initial installation, after the support cylinder 401 is fixed, the corresponding level measurement work can be used to keep each carrier 507 level, that is, the regulating threaded column 501 is driven to rotate by the handle 503 to realize the lifting and lowering of the position of the carrier 507; it is also possible to directly insert the loading card seat 31 at the bottom end of the assembly bottom frame 3 into the loading cavity groove 508 on the corresponding position of the carrier 507, and then adjust it according to the horizontality of the mark plate until the mark plate is adjusted to the level; wherein the loading card seat 31 is set at the bottom end of the assembly bottom frame 3 and the carrier 50 7 is used in conjunction with each other, that is, the sign board and the supporting device are connected. In the later maintenance and replacement work, if the assembly side frame 2 on the side of the sign board body 1 is maintained, it can be directly replaced; when the assembly bottom frame 3 is replaced and maintained, the loading card seat 31 and the loading cavity groove 508 can be contacted for clamping and fixing, the sign board body 1 can be removed, and then the assembly bottom frame 3 can be maintained. In this process, on the one hand, when removing the sign board, there is no need to disassemble its supporting device; on the other hand, after maintenance, there is no need to perform leveling for the installation of the sign board, and it can be directly assembled, which greatly improves its operational convenience.

[0026] The actual assembly or maintenance of the sign may also require on-site assembly or on-site disassembly, maintenance and replacement. During this process, the bottom frame 3 can be assembled and leveled directly to avoid the inconvenience caused by the overall overweight of the sign body 1, which brings great convenience to the staff. Moreover, during disassembly and maintenance work, unless the bottom frame 3 needs to be replaced and maintained, other sign components can be replaced or maintained on-site, thus saving the subsequent leveling work.

[0027] Because the sign body 1 in this solution can be disassembled separately, in order to prevent theft or accidental contact of the staff from affecting the stability of the connection between the loading card seat 31 and the loading cavity groove 508, the assembly locking component provided therein can not only improve the stability of the connection between the fastening card plate 602 and the fastening card groove 32 on the side of the loading card seat 31, but also provide an anti-theft and anti-accidental contact function, that is, reference Fig.13 The present invention provides a component for releasing the lock of the fastening card plate 602, including an unlocking rod 901 and an auxiliary handle 902, wherein one end of the unlocking rod 901 is fixedly provided with the auxiliary handle 902. When it is necessary to release the lock of the fastening card plate 602, the auxiliary handle 902 is held and one end of the unlocking rod 901 is inserted from the cylindrical through groove 703 on the bottom side of the carrier 507, and then enters into the locking card groove 707 in the fastening card plate 602, and finally the locking card pin 704 stuck in the locking card groove 707 is pressed into the accommodating cavity groove 701. At this time, the locking card pin 704 is in contact with the fastening card plate 602. It should be noted here that the unlocking rod 901 is cylindrical, and the diameter of its end is smaller than that of the cylindrical through groove 703. 03. The slot diameters of the locking slot 707 and the accommodating cavity slot 701, that is, when the unlocking rod 901 presses the locking pin 704 into the accommodating cavity slot 701, the other hand pulls the fastening card plate 602 outward through the push-pull handle 603, so that the locking slot 707 on the fastening card plate 602 is misaligned with the locking pin 704, and then the unlocking rod 901 is pulled out, and finally the fastening card plate 602 is pulled out. At this time, the clamping fixation between the loading seat 31 and the loading cavity slot 508 is released. When it is necessary to remove the assembled bottom frame 3 or the mark plate body 1, just lift it up directly. The unlocking rod 901 is carried by the staff and operated by the staff when performing corresponding maintenance work.

[0028] In this solution, an installation slot 605 is further provided on the arc-shaped auxiliary surface 604 at the end of the fastening card plate 602. The installation slot 605 here can be used in conjunction with a cleaning accessory, that is, when the initial installation work or subsequent maintenance work is performed, when the display surface on the sign needs to be cleaned, it can be achieved by using the fastening card plate 602 in conjunction with the cleaning accessory, wherein the cleaning accessory includes an installation card plate 801, a bearing strip 802, a cleaning soft brush 803, a hook-shaped cleaning soft strip 804 and an auxiliary sphere 805; the installation card plate 801 is clamped with the installation slot 605, and the installation card plate 801 is fixedly arranged on one side of the bearing strip 802, and a linear cleaning soft brush 803 is arranged on the other side of the bearing strip 802 , and the supporting strip 802 is provided with a hook-shaped cleaning soft strip 804 on the same side as the cleaning soft brush 803, and an auxiliary sphere 805 is provided at the end of the hook-shaped cleaning soft strip 804. When cleaning, the installation card plate 801 is stuck in the installation slot 605. At this time, the fastening card plate 602 is equivalent to a handle, that is, the fastening card plate 602 is held in the hand, and the display surface on the sign is cleaned by the cleaning soft brush 803. The hook-shaped cleaning soft strip 804 provided here provides a better cleaning effect for impurities adhered and condensed on the display surface, and the auxiliary sphere 805 is provided at the end of the hook-shaped cleaning soft strip 804. While achieving a good cleaning effect, it also has a corresponding protective effect on the display surface of the sign to avoid scratches and damage.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A variable sign based on LED display, characterized in that: It comprises a sign body (1), an assembly bottom frame (3), a support component and a regulating component; The two sides of the sign body (1) are symmetrically provided with assembly side frames (2), the top of the sign body (1) is provided with an assembly top frame, and the bottom of the sign body (1) is provided with an assembly bottom frame (3); The support component is connected to the regulating component, and the support component is arranged on the support body, and the regulating component is connected to the assembly bottom frame (3).

2. A variable sign based on LED display according to claim 1, characterized in that: Loading card seats (31) are fixedly arranged at equal intervals on the bottom side of the assembly bottom frame (3), and a fastening card slot (32) is arranged on one side of the loading card seat (31).

3. The variable sign based on LED display according to claim 1, characterized in that: The support assembly comprises a support cylinder (401), a fixing plate (402), a reinforcing plate (403), a fixing anchor rod (404) and an internally threaded fastening cap (405); a fixing plate (402) is fixedly arranged at the bottom end of the support cylinder (401), the fixing plate (402) is fixedly arranged by means of a fixing anchor rod (404), and an internally threaded fastening cap (405) is arranged on the fixing anchor rod (404); and a reinforcing plate (403) is fixedly arranged equidistantly on one side of the fixing plate (402) connected to the support cylinder (401).

4. The variable sign based on LED display according to claim 3, characterized in that: The support cylinder (401) is connected to the regulating component, and the regulating component comprises a regulating threaded column (501), a connecting disc (502), a handle (503), a connecting column (504), an auxiliary bearing (505), an extension body (506), a bearing body (507), a loading cavity (508) and a fastening component; the regulating threaded column (501) is threadedly connected to the support cylinder (401), and the top end of the regulating threaded column (501) is fixedly provided with a connecting disc (502), the side of the connecting disc (502) is symmetrically fixedly provided with a handle (503), and the top end of the connecting disc (502) is fixedly provided with a connecting column (504), and one end of the connecting column (504) is inserted into the auxiliary bearing (505).

5. The variable sign based on LED display according to claim 4, characterized in that: The auxiliary bearing (505) is embedded in the extension body (506), the extension body (506) is fixedly arranged at the bottom end of the carrier (507), the top end of the carrier (507) is provided with a loading cavity (508), the loading cavity (508) is adapted to be plugged into the loading seat (31), and the loading seat (31) is fastened by a fastening assembly.

6. The variable sign based on LED display according to claim 4, characterized in that: The fastening assembly comprises a side through slot (601), a fastening card plate (602), a push-pull handle (603), an arc-shaped auxiliary surface (604), an installation slot (605) and an assembly locking component; the side through slot (601) is arranged on one side of the carrier (507), and the side through slot (601) is connected to the loading cavity slot (508); the fastening card plate (602) is adapted to be plugged into the side through slot (601), and one end of the fastening card plate (602) is adapted to be plugged into the fastening card slot (32).

7. The variable sign based on LED display according to claim 6, characterized in that: A push-pull handle (603) is fixedly provided at one end of the fastening card plate (602), and an arc-shaped auxiliary surface (604) is provided on the end surface of the other end of the fastening card plate (602), and a mounting slot (605) is provided on the arc-shaped auxiliary surface (604).

8. The variable sign based on LED display according to claim 6, characterized in that: The fastening clamping plate (602) is locked by means of a provided assembly locking component.

9. The variable sign based on LED display according to claim 8, characterized in that: The assembly locking component comprises a receiving cavity groove (701), a placement slot (702), a columnar through groove (703), a locking pin (704), an auxiliary spring (705), a placement chuck (706) and a locking slot (707); the receiving cavity groove (701) is arranged in the carrier (507), and the bottom end of the receiving cavity groove (701) is connected to the side through groove (601), a placement slot (702) is arranged at the top notch position of the receiving cavity groove (701), a locking pin (704) is placed in the receiving cavity groove (701), one end of the locking pin (704) is fixedly provided with an auxiliary spring (705), and the other end of the auxiliary spring (705) is fixedly provided on the placement chuck (706), the placement chuck (706) is adapted to be clamped in the placement slot (702), and the placement chuck (706) is fixed by a screw.

10. The variable sign based on LED display according to claim 9, characterized in that: The cylindrical through groove (703) is arranged in the carrier (507), and one end of the cylindrical through groove (703) is connected to the side through groove (601), and the other end of the cylindrical through groove (703) is arranged through the bottom end of the carrier (507), the cylindrical through groove (703) and the accommodating cavity groove (701) are arranged in corresponding positions, the number of groups is the same, and the diameters of the two are set equal, the locking card groove (707) is arranged in the fastening card plate (602), and the locking card groove (707) is arranged through, the locking card groove (707) is arranged in a cylindrical shape, and the locking card groove (707) and the cylindrical through groove (703) are arranged in corresponding positions, the number of groups is the same, and the diameters of the two are set equal.

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