Multifunctional firework setting-off device

Abstract

The utility model relates to the technical field of firework setting-off devices, and discloses a multifunctional firework setting-off device which comprises a bottom plate, universal wheels are arranged at the front ends and the rear ends of the left side and the right side of the bottom of the bottom plate, and a U-shaped plate is arranged at the top of the bottom plate. A mounting shaft with one end extending into the U-shaped plate and movably connected with the top of the bottom plate is arranged at the top of the U-shaped plate, and a shell is arranged at the top of the mounting shaft. According to the multifunctional firework setting-off device, the two rotating shafts and the whole frame body are driven to rotate by starting the double-shaft servo motor, so that the top of the firework launching cylinder rotates forwards, and the inclination angle of the firework launching cylinder is adjusted; and a servo motor can be started to drive the mounting shaft, the shell and the firework launching cylinder to rotate integrally, so that the setting-off direction of the firework launching cylinder is further adjusted, the firework launching cylinder can set off fireworks in different directions, and the firework setting-off effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fireworks firing devices, in particular to a multifunctional fireworks firing device. Background Art

[0002] When setting off fireworks, it is necessary to insert the fireworks into the ground or clamp them with heavy objects to ensure that the fireworks will not fall over due to the reaction force during setting off and cause injuries to people. However, in the existing fireworks setting off devices, the fireworks are fixed by inserting them into the placement holes on the bracket. Most of the brackets are fixed on the device, resulting in that the angle of the bracket cannot be adjusted. Therefore, the fireworks can only be set off at a specific angle, which affects the effect of the fireworks. Therefore, a multifunctional fireworks setting off device is proposed. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the shortcomings of the existing technology, the utility model provides a multifunctional fireworks firing device with advantages such as an adjustable firing angle. It solves the problem that the fireworks firing device in the existing technology is fixed by inserting the fireworks into the placement hole on the bracket, and most of the brackets are fixedly installed on the device, resulting in that the angle of the bracket cannot be adjusted, so that the fireworks can only be fired at a specific angle, thereby affecting the effect of the fireworks when being fired.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose of adjustable firing angle, the utility model provides the following technical solutions: a multifunctional fireworks firing device, comprising a base plate, wherein universal wheels are provided at the front and rear ends on the left and right sides of the bottom of the base plate, a U-shaped plate is provided at the top of the base plate, a mounting shaft with one end extending into the interior thereof and movably connected to the top of the base plate is provided at the top of the mounting shaft, a shell is provided at the top of the base plate, a first driving assembly with one end extending into the interior of the U-shaped plate and fixedly connected to the outer side of the mounting shaft, mounting plates are provided at the left and right sides of the top of the shell, opposite sides of the two mounting plates are provided with rotating shafts with one end extending to the opposite sides thereof, a frame is provided between the two rotating shafts, five placement holes are provided at the top of the frame, and a fireworks launching tube with one end extending to the top of the frame and the other end extending into the interior of the frame and fitting with the bottom wall of the frame is provided inside the five placement holes. Two fixing plates are provided between the left and right sides of the inner wall of the frame, and are respectively located at the front and rear ends of the firework launch tube. Two fixing components are provided between the left and right sides of the inner wall of the frame, and one end of each fixing component extends to the opposite sides of the two fixing plates. A fixing block is provided on the top of the opposite sides of the two mounting plates, and a second threaded rod is provided at the bottom of the two fixing blocks, one end of which extends to the inside of the shell and is movably connected to the inner bottom wall of the shell. A moving block is provided on the outer side of the two second threaded rods, which is respectively located on the rear sides of the two rotating shafts and one end of which is movably connected to the opposite sides of the two mounting plates. A rack plate is provided on the front side of the two moving blocks, and a gear is provided on the outer side of the two rotating shafts, which is respectively located on the opposite sides of the two mounting plates and one end of which is meshed with the two rack plates. The inner bottom wall of the shell is provided with a second driving component, one end of which is fixedly connected to the outer side of the second threaded rod on the left and the other end of which is fixedly connected to the outer side of the second threaded rod on the right.

[0007] Preferably, the first drive assembly includes a servo motor, and the servo motor is fixedly installed on the bottom of the base plate. The output shaft of the servo motor extends to the interior of the U-shaped plate and is fixedly installed with a driving gear located on the right side of the installation shaft, and the outer side of the installation shaft is fixedly installed with a driven gear located inside the U-shaped plate and meshing with the driving gear at one end.

[0008] Preferably, the fixing assembly includes a splint, and two splints are movably installed between the left and right sides of the inner wall of the frame, and the two splints are respectively located on the front and rear sides of the firework launch tube and are both located between the two fixed plates. Five arc-shaped grooves are provided on the opposite sides of the two splints, and the opposite sides of the two fixed plates are threadedly connected to a first threaded rod with one end extending to the opposite side thereof and movably connected to the opposite sides of the two splints, and hand wheels are fixedly installed on the opposite sides of the two first threaded rods.

[0009] Preferably, the second drive assembly includes a dual-axis servo motor, the inner bottom wall of the shell is fixedly mounted with the dual-axis servo motor located between the two second threaded rods, the inner bottom wall of the shell is fixedly mounted with two connecting blocks located on the left and right sides of the dual-axis servo motor respectively, the left and right output shafts of the dual-axis servo motor are fixedly mounted with transmission shafts with one end extending to the opposite sides of the two connecting blocks respectively, the opposite sides of the two transmission shafts are fixedly mounted with driving bevel gears, and the outer bottoms of the two second threaded rods are fixedly mounted with driven bevel gears with one end respectively meshing with the two driving bevel gears.

[0010] Preferably, a first bearing located inside the U-shaped plate is fixedly mounted on the top of the base plate, and the mounting shaft is rotatably connected to the top of the base plate via the first bearing.

[0011] Preferably, second bearings are fixedly mounted on opposite sides of the two clamping plates, and the first threaded rod is rotatably connected to the clamping plates via the second bearings.

[0012] (3) Beneficial effects

[0013] Compared with the prior art, the present invention provides a multifunctional fireworks setting device with the following beneficial effects:

[0014] The multifunctional fireworks firing device starts a dual-axis servo motor to drive the two transmission shafts and two driving bevel gears to rotate, and then drives the two second threaded rods to rotate through the two driven bevel gears. During the rotation, the two second threaded rods drive the two moving blocks and the two rack plates to move upward. When the two rack plates move, they drive the two rotating shafts and the frame as a whole to rotate through the two gears, so that the top of the fireworks launching tube rotates forward, thereby adjusting the inclination angle of the fireworks launching tube. Secondly, the servo motor can be started to drive the driving gear to rotate, and then the driven gear drives the mounting shaft, the shell and the fireworks launching tube to rotate as a whole, so as to further adjust the firing direction of the fireworks launching tube, so that the fireworks launching tube can be fired in different directions, thereby improving the effect of the fireworks. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a partial schematic diagram of a top view and cross-section of the frame of the utility model;

[0017] Figure 3 This is a partial schematic diagram of a left-side sectional view of the left-side movable block of the present invention.

[0018] In the figure: 1 base plate, 2 universal wheel, 3 U-shaped plate, 4 mounting shaft, 5 housing, 6 first drive assembly, 61 servo motor, 62 drive gear, 63 driven gear, 7 mounting plate, 8 rotating shaft, 9 frame, 10 placement hole, 11 firework launch tube, 12 fixing plate, 13 fixing assembly, 131 clamping plate, 132 arc groove, 133 first threaded rod, 134 handwheel, 14 fixing block, 15 second threaded rod, 16 moving block, 17 rack plate, 18 gear, 19 second drive assembly, 191 dual-axis servo motor, 192 connecting block, 193 transmission shaft, 194 drive bevel gear, 195 driven bevel gear. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-3 The utility model provides a technical solution: a multifunctional fireworks display device, including a base plate 1, and universal wheels 2 are fixedly installed on the front and rear ends of the left and right sides of the bottom of the base plate 1. The universal wheels 2 used in the embodiment of the present application are universal wheels with built-in braking function commonly found on the market. A U-shaped plate 3 is fixedly installed on the top of the base plate 1, and a mounting shaft 4 with one end extending into the interior of the U-shaped plate 3 and movably connected to the top of the base plate 1 is movably installed on the top of the base plate 1. A first bearing located inside the U-shaped plate 3 is fixedly installed on the top of the base plate 1, and the mounting shaft 4 is rotatably connected to the top of the base plate 1 through the first bearing. A shell 5 is fixedly installed on the top of the mounting shaft 4, and the shell 5 is rectangular.

[0021] The bottom of the base plate 1 is fixedly installed with a first drive component 6, one end of which extends to the inside of the U-shaped plate 3 and is fixedly connected to the outside of the mounting shaft 4. The first drive component 6 includes a servo motor 61. The bottom of the base plate 1 is fixedly installed with a servo motor 61. The model of the servo motor 61 can be MR-J2S-10A. The output shaft of the servo motor 61 extends to the inside of the U-shaped plate 3 and is fixedly installed with a drive gear 62 located on the right side of the mounting shaft 4. The outside of the mounting shaft 4 is fixedly installed with a driven gear 63 located inside the U-shaped plate 3 and one end of which is engaged with the drive gear 62. The bottom of the base plate 1 is fixedly installed with a battery located on the left side of the servo motor 61. The bottom of the base plate 1 is fixedly installed with a cover located on the outside of the servo motor 61 and the battery.

[0022] Mounting plates 7 are fixedly installed on the left and right sides of the top of the shell 5, and rotating shafts 8 with one end extending to the opposite side thereof are movably installed on the opposite sides of the two mounting plates 7. A frame 9 is fixedly installed between the two rotating shafts 8. Five placement holes 10 are opened on the top of the frame 9, and the five placement holes 10 are evenly distributed on the left and right. Fireworks launching tubes 11 with one end extending to the top of the frame 9 and the other end extending into the inside of the frame 9 and fitting with the inner bottom wall of the frame 9 are movably installed inside the five placement holes 10. Two fixing plates 12 are fixedly installed between the left and right sides of the inner wall of the frame 9, and are respectively located at the front and rear ends of the fireworks launching tube 11.

[0023] There are two fixing components 13 movably installed between the left and right sides of the inner wall of the frame 9, one end of which extends to the opposite sides of the two fixing plates 12. The fixing components 13 include a clamping plate 131. There are two clamping plates 131 movably installed between the left and right sides of the inner wall of the frame 9. The two clamping plates 131 are respectively located on the front and rear sides of the firework launch tube 11 and are both located between the two fixing plates 12. The opposite sides of the two clamping plates 131 are each provided with five arc grooves 132. The interiors of the arc grooves 132 on the front and rear sides are fixed. A rubber pad is installed, and the opposite sides of the two fixed plates 12 are threadedly connected to a first threaded rod 133 with one end extending to the opposite side and movably connected to the opposite sides of the two clamping plates 131. The opposite sides of the two fixed plates 12 are provided with first threaded holes respectively adapted for the two first threaded rods 133. The opposite sides of the two clamping plates 131 are fixedly installed with a second bearing, and the first threaded rod 133 is rotatably connected to the clamping plate 131 through the second bearing. The opposite sides of the two first threaded rods 133 are fixedly installed with a handwheel 134.

[0024] A fixed block 14 is fixedly installed on the top of the opposite sides of the two mounting plates 7, and a second threaded rod 15 is movably installed on the bottom of the two fixed blocks 14, one end of which extends into the interior of the shell 5 and is movably connected to the inner bottom wall of the shell 5. The outer sides of the two second threaded rods 15 are threadedly connected to moving blocks 16 which are respectively located on the rear sides of the two rotating shafts 8 and one end of which is movably connected to the opposite sides of the two mounting plates 7. Second threaded holes are provided inside the two moving blocks 16, which are respectively adapted to the two second threaded rods 15. A rack plate 17 is fixedly installed on the front side of the two moving blocks 16, and a gear 18 is fixedly installed on the outer sides of the two rotating shafts 8, which is respectively located on the opposite sides of the two mounting plates 7 and one end of which is meshed with the two rack plates 17.

[0025] The inner bottom wall of the housing 5 is fixedly installed with a second drive assembly 19 having one end fixedly connected to the outer side of the left second threaded rod 15 and the other end fixedly connected to the outer side of the right second threaded rod 15. The second drive assembly 19 includes a dual-axis servo motor 191. The inner bottom wall of the housing 5 is fixedly installed with a dual-axis servo motor 191 located between the two second threaded rods 15. The model of the dual-axis servo motor 191 can be HDMF2089050. The inner bottom wall of the housing 5 is fixedly installed with two dual-axis servo motors 191 located on the left and right sides respectively. Connecting block 192, the left and right output shafts of the dual-axis servo motor 191 are fixedly installed with a transmission shaft 193 with one end extending to the opposite sides of the two connecting blocks 192 respectively, and the opposite sides of the two transmission shafts 193 are fixedly installed with a driving bevel gear 194. The outer bottom of the two second threaded rods 15 are fixedly installed with a driven bevel gear 195 with one end respectively meshing with the two driving bevel gears 194. The electrical components appearing in the text are all electrically connected to the external controller and the battery, and the external controller can be a conventional known device for control such as a computer.

[0026] When in use, the two first threaded rods 133 can be driven to rotate by turning the two hand wheels 134, thereby driving the two clamping plates 131 to move relative to each other, so as to clamp and fix the five firework launch tubes 11. When it is necessary to adjust the firing direction of the firework launch tubes 11, the dual-axis servo motor 191 can be started by an external controller to drive the two transmission shafts 193 and the two driving bevel gears 194 to rotate, and then the two second threaded rods 15 can be driven to rotate through the two driven bevel gears 195. During the rotation process, the two second threaded rods 15 will drive the two moving blocks 16 and the two rack plates 17 to move upward, and the two second threaded rods 15 will rotate. When the rack plate 17 moves, it will drive the two rotating shafts 8 and the frame 9 to rotate as a whole through the two gears 18, so that the top of the firework launch tube 11 rotates forward, so as to adjust the inclination angle of the firework launch tube 11. Secondly, the servo motor 61 can be started by an external controller to drive the driving gear 62 to rotate, and then the driven gear 63 can be used to drive the mounting shaft 4, the shell 5 and the firework launch tube 11 to rotate as a whole, so as to further adjust the firing direction of the firework launch tube 11, so that the firework launch tube 11 can be fired in different directions, thereby improving the effect of the fireworks.

[0027] In summary, the multifunctional fireworks firing device drives the two transmission shafts 193 and the two driving bevel gears 194 to rotate by starting the dual-axis servo motor 191, and then drives the two second threaded rods 15 to rotate through the two driven bevel gears 195. The two second threaded rods 15 will drive the two moving blocks 16 and the two rack plates 17 to move upward during the rotation. When the two rack plates 17 move, they will drive the two rotating shafts 8 and the frame 9 to rotate as a whole through the two gears 18, so that the top of the fireworks launch tube 11 rotates forward, thereby adjusting the inclination angle of the fireworks launch tube 11. Secondly, the device can also be started to rotate the two transmission shafts 193 and the two driving bevel gears 194. The servo motor 61 drives the driving gear 62 to rotate, and then drives the mounting shaft 4, the shell 5 and the firework launch tube 11 to rotate as a whole through the driven gear 63, so as to further adjust the firing direction of the firework launch tube 11, so that the firework launch tube 11 can be fired in different directions, thereby improving the effect of the fireworks when being fired, and solving the problem that the fireworks firing device in the prior art is fixed by inserting the fireworks into the placement hole on the bracket, and most of the brackets are fixed on the device, resulting in that the angle of the bracket cannot be adjusted, so that the fireworks can only be fired at a specific angle, thereby affecting the effect of the fireworks when being fired.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

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

Claims

1. A multifunctional fireworks display device, comprising a base plate (1), characterized in that: Universal wheels (2) are provided at both the front and rear ends of the left and right sides of the bottom of the bottom plate (1), a U-shaped plate (3) is provided at the top of the bottom plate (1), a mounting shaft (4) having one end extending into the inside of the U-shaped plate (3) and movably connected to the top of the bottom plate (1) is provided at the top of the mounting shaft (4), a housing (5) is provided at the top of the mounting shaft (4), a first driving component (6) having one end extending into the inside of the U-shaped plate (3) and fixedly connected to the outside of the mounting shaft (4) is provided at the bottom of the bottom plate (1), and mounting plates (6) are provided at both the left and right sides of the top of the housing (5). 7), the two mounting plates (7) are provided with a rotating shaft (8) at one end extending to the opposite side thereof, a frame (9) is provided between the two rotating shafts (8), the top of the frame (9) is provided with five placement holes (10), the insides of the five placement holes (10) are provided with a firework launch tube (11) with one end extending to the top of the frame (9) and the other end extending to the inside of the frame (9) and fitting with the inner bottom wall of the frame (9), and two fireworks launch tubes (11) are provided between the left and right sides of the inner wall of the frame (9) and are respectively located at the bottom of the fireworks launch tube (11). The fixing plates (12) at the front and rear ends of the launch tube (11) are provided, and two fixing components (13) are provided between the left and right sides of the inner wall of the frame (9), and one end of each fixing component extends to the opposite sides of the two fixing plates (12). The tops of the opposite sides of the two mounting plates (7) are provided with fixing blocks (14). The bottoms of the two fixing blocks (14) are provided with a second threaded rod (15) with one end extending into the interior of the shell (5) and movably connected to the inner bottom wall of the shell (5). The outer sides of the two second threaded rods (15) are provided with two rotating shafts. (8) A movable block (16) is provided on the rear side and one end of which is movably connected to the opposite sides of the two mounting plates (7), the front sides of the two movable blocks (16) are both provided with rack plates (17), the outer sides of the two rotating shafts (8) are both provided with gears (18) which are respectively located on the opposite sides of the two mounting plates (7) and one end of which is meshed with the two rack plates (17), and the inner bottom wall of the housing (5) is provided with a second driving component (19) which has one end fixedly connected to the outer side of the second threaded rod (15) on the left and the other end fixedly connected to the outer side of the second threaded rod (15) on the right.

2. A multifunctional fireworks display device according to claim 1, characterized in that: The first drive assembly (6) includes a servo motor (61), the servo motor (61) is fixedly mounted on the bottom of the base plate (1), the output shaft of the servo motor (61) extends into the interior of the U-shaped plate (3) and is fixedly mounted with a driving gear (62) located on the right side of the mounting shaft (4), and the outer side of the mounting shaft (4) is fixedly mounted with a driven gear (63) located inside the U-shaped plate (3) and meshing with the driving gear (62) at one end.

3. The multifunctional fireworks display device according to claim 1, characterized in that: The fixing assembly (13) includes a clamping plate (131), and two clamping plates (131) are movably installed between the left and right sides of the inner wall of the frame (9). The two clamping plates (131) are respectively located on the front and rear sides of the firework launch tube (11) and are both located between the two fixing plates (12). Five arc-shaped grooves (132) are provided on the opposite sides of the two clamping plates (131). The opposite sides of the two fixing plates (12) are both threadedly connected to a first threaded rod (133) having one end extending to the opposite side thereof and movably connected to the opposite sides of the two clamping plates (131). The opposite sides of the two first threaded rods (133) are both fixedly installed with a hand wheel (134).

4. The multifunctional fireworks display device according to claim 1, characterized in that: The second drive assembly (19) comprises a dual-axis servo motor (191), the dual-axis servo motor (191) being fixedly mounted on the inner bottom wall of the housing (5) and being located between the two second threaded rods (15), the dual-axis servo motor (191) being fixedly mounted on the inner bottom wall of the housing (5), two connecting blocks (192) being fixedly mounted on the left and right sides of the dual-axis servo motor (191), the output shafts on the left and right sides of the dual-axis servo motor (191) being fixedly mounted with transmission shafts (193) having one end extending to opposite sides of the two connecting blocks (192), the opposite sides of the two transmission shafts (193) being fixedly mounted with driving bevel gears (194), and the outer bottoms of the two second threaded rods (15) being fixedly mounted with driven bevel gears (195) having one end meshing with the two driving bevel gears (194).

5. The multifunctional fireworks display device according to claim 1, characterized in that: A first bearing located inside the U-shaped plate (3) is fixedly mounted on the top of the base plate (1), and the mounting shaft (4) is rotatably connected to the top of the base plate (1) via the first bearing.

6. The multifunctional fireworks display device according to claim 3, characterized in that: Second bearings are fixedly mounted on opposite sides of the two clamping plates (131), and the first threaded rod (133) is rotatably connected to the clamping plates (131) via the second bearings.

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