Fixing device of display shell launching barrel

Abstract

The utility model discloses a fixing device of a display shell launching barrel, which relates to the technical field of display shells and comprises four supporting rods, positioning holes are arranged outside the four supporting rods, a first sliding sleeve and a second sliding sleeve which can slide are respectively sleeved outside the four supporting rods, and the first sliding sleeve and the second sliding sleeve are sleeved outside the four supporting rods. And a fixing frame is fixedly mounted among the four first sliding sleeves. The height of the fixing frame on the upper portion can be conveniently changed through matching of the positioning hole and the first sliding sleeve, adjustment can be conveniently conducted according to the height of the cylindrical display shell barrel, and the size of the space for containing the cylindrical display shell barrel can be changed through matching of the first adjusting mechanism and the second adjusting mechanism. Adjustment can be conveniently carried out according to cylindrical display shell barrels of different sizes, and meanwhile the situation that multiple barrels are ignited together due to fire transfer instead of ignition and emission according to the designed ignition sequence can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fireworks shell technical field, concretely is a kind of fireworks shell launching cannon barrel's fixing device. BACKGROUND

[0002] Fireworks shell belongs to one kind of fireworks, and its appearance is close to spherical, has special launching cannon barrel, after being launched into the air, explodes into various light colors, pattern or other effect products, large-scale performance is generally using fireworks shell and some ground fireworks and small fireworks, but the most main scene rendering is fireworks shell, and the process of launching fireworks shell needs to fix cannon barrel, ensure the stability of fireworks shell launching, at this time, fixed device is needed.

[0003] The fixed device that we design inserts cylindrical fireworks shell launching cannon barrel into the mesh of upper and lower two layers of grids and is fixed, but the size of mesh cannot be adjusted, leading to larger or smaller cylindrical cannon barrel cannot be fixed, and the height of two layers of grids is not convenient to adjust, and the adaptability is poor.

[0004] Based on this, a kind of fireworks shell launching cannon barrel's fixing device is provided, which can eliminate the disadvantages of existing device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of fireworks shell launching cannon barrel's fixing device, to solve the problem of poor adaptability caused by inconvenient adjustment according to the size of cylindrical cannon barrel in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of fireworks shell launching cannon barrel's fixing device, including four support rods, the outside of four support rods is all set with positioning hole, the outside of four support rods is respectively sleeved with slidable first sliding sleeve and second sliding sleeve, first sliding sleeve between four is fixedly installed with fixed frame;

[0008] The inside of fixed frame is respectively provided with first adjusting mechanism and second adjusting mechanism.

[0009] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:

[0010] In an alternative scheme: the outside of four first sliding sleeves is all set with first through hole, first bolt is arranged between first sliding sleeve and support rod, and first bolt passes through first sliding sleeve and support rod respectively via first through hole and positioning hole.

[0011] In an alternative scheme: four second sliding sleeves are fixedly installed with bottom plate.

[0012] In an optional scheme, the second sliding sleeve is provided with a second through hole on the outer side, a second bolt is arranged between the second sliding sleeve and the supporting rod, and the second bolt passes through the second through hole and the positioning hole to penetrate the second sliding sleeve and the supporting rod.

[0013] In an optional scheme, the bottom of the supporting rod is provided with a supporting structure, the supporting structure comprises a threaded sleeve, the threaded sleeve is clamped and installed at the bottom end of the supporting rod, the bottom of the threaded sleeve is threadedly connected with a threaded column, the bottom end of the threaded column is fixedly installed with a first knob, and the bottom end of the first knob is rotatably installed with a foot pad.

[0014] In an optional scheme, the inner two sides of the fixed frame are provided with first sliding grooves, and the inner other two sides of the fixed frame are provided with second sliding grooves.

[0015] In an optional scheme, the first adjusting mechanism comprises a first screw rod, the first screw rod is rotatably installed in the inner part of the fixed frame, the input end of the first screw rod penetrates the fixed frame and is connected with a second knob, the outer part of the first screw rod is equidistantly provided with a first adjusting piece, the first adjusting piece is slidably installed with the fixed frame through the first sliding groove, the second adjusting mechanism comprises a second screw rod, the second screw rod is rotatably installed in the inner part of the fixed frame, the input end of the second screw rod penetrates the fixed frame and is connected with a third knob, the outer part of the second screw rod is equidistantly provided with a second adjusting piece, and the second adjusting piece is slidably installed with the fixed frame through the second sliding groove.

[0016] In an optional scheme, the second adjusting piece and the first adjusting piece both comprise a sliding block, the sliding block is threadedly connected with the outer part of the second screw rod and the first screw rod respectively, the outer two sides of the sliding block are respectively provided with a fixed rod and a sliding groove, the sliding rod is slidably installed with the sliding rod through the sliding groove, the bottom of the sliding rod is fixedly installed with a connecting piece, and the bottom of the connecting piece is threadedly connected with a fourth knob.

[0017] Compared with the prior art, the utility model has the advantages of the following:

[0018] 1、The utility model discloses a positioning hole and a first sliding sleeve are cooperated to change the height of the upper fixed frame conveniently, and the height of the cylindrical firework shell barrel can be adjusted conveniently, the space size of the device for placing the cylindrical firework shell barrel can be changed through the cooperation between the first adjusting mechanism and the second adjusting mechanism, the cylindrical firework shell barrels of different sizes can be adjusted conveniently, and the situation that multiple barrels are ignited together due to the transmission of fire between the barrels can be avoided, and the situation that the barrels are ignited and launched according to the designed ignition order does not occur.

[0019] 2. When the ground is uneven, the support structure is installed with the bottom plate, and the four support structure adjusting devices are adjusted to the horizontal device to ensure that the cylindrical shell launcher is perpendicular to the horizontal plane, the bottom of the cylindrical shell launcher is in contact with the top of the bottom plate after being placed, the uneven ground is avoided to affect the launching of the shell, and the stability of the shell launching is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the support mechanism structure of the utility model.

[0022] Figure 3 It is a schematic diagram of the fixed frame mounting structure of the utility model.

[0023] Figure 4 It is a schematic diagram of the first adjusting mechanism structure of the utility model.

[0024] Figure 5 It is a schematic diagram of the sliding rod mounting structure of the utility model.

[0025] The reference signs are annotated: 1, support rod; 2, positioning hole; 3, first sliding sleeve; 4, second sliding sleeve; 5, first through hole; 6, first bolt; 7, second through hole; 8, second bolt; 9, support structure; 901, threaded sleeve; 902, threaded column; 903, first knob; 904, foot pad; 10, bottom plate; 11, fixed frame; 12, first sliding groove; 13, second sliding groove; 14, first adjusting mechanism; 1401, first screw rod; 1402, second knob; 1403, first adjusting part; 15, second adjusting mechanism; 1501, second screw rod; 1502, third knob; 1503, second adjusting part; 16, sliding block; 17, fixed rod; 18, sliding groove; 19, sliding rod; 20, connecting part; 21, fourth knob. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples.

[0027] In one embodiment, as shown in Figures 1-4 A shell launching barrel fixing device, comprising four support rods 1, the outer part of each of the four support rods 1 is provided with a positioning hole 2, the outer part of each of the four support rods 1 is respectively sleeved with a slidable first sliding sleeve 3 and a second sliding sleeve 4, and a fixed frame 11 is fixedly installed between the four first sliding sleeves 3;

[0028] The inner part of the fixed frame 11 is respectively provided with a first adjusting mechanism 14 and a second adjusting mechanism 15.

[0029] In the embodiment, whether the support structure 9 and the bottom plate 10 are installed is judged according to whether the ground where the device is placed is flat, when the road surface is uneven, the support structure 9 and the bottom plate 10 are installed, the device is adjusted to be horizontal by the four support structures 9, it is guaranteed that the cylindrical shell is perpendicular to the horizontal plane, the bottom of the cylindrical shell is in contact with the top of the bottom plate 10 after being placed, the influence of the uneven ground on the launching of the shell is avoided, and the stability of the launching of the shell is improved, the height of the upper fixed frame 11 is conveniently changed through the cooperation of the positioning hole 2 and the first sliding sleeve 3, the adjustment according to the height of the cylindrical shell is facilitated, the size of the space where the cylindrical shell is placed can be changed through the cooperation between the first adjusting mechanism 14 and the second adjusting mechanism 15, adjustment according to cylindrical shells of different sizes is facilitated, and the situation that multiple shells are ignited together due to the transmission of fire between the shells instead of being ignited and launched according to the designed ignition order can be avoided.

[0030] In one embodiment, as shown in Figure 2 and Figure 3 , the first through hole 5 is formed in the outer side of each of the four first sliding sleeves 3, the first bolt 6 is arranged between the first sliding sleeve 3 and the support rod 1, the first bolt 6 penetrates the first sliding sleeve 3 and the support rod 1 through the first through hole 5 and the positioning hole 2 respectively, the four first bolts 6 outside the upper fixed frame 11 are removed, at this time the fixed frame 11 can slide along the length direction of the support rod 1 through the first sliding sleeve 3, the distance between the two fixed frames 11 is changed, and adjustment according to the height of the cylindrical shell is facilitated, after adjustment and closing, the first sliding sleeve 3 and the support rod 1 are fixed through the first bolt 6.

[0031] In one embodiment, as shown in Figure 1 and Figure 2 , the bottom plate 10 is fixedly installed between the four second sliding sleeves 4, when the ground is uneven, the bottom plate 10 is installed with the support rod 1, so that the bottom end of the cylindrical shell is in contact with the top of the bottom plate 10 after being placed, and the stability of the launching of the shell is improved.

[0032] In one embodiment, as shown in Figure 1 and Figure 2 , the second through hole 7 is formed in the outer side of each of the four second sliding sleeves 4, the second bolt 8 is arranged between the second sliding sleeve 4 and the support rod 1, the second bolt 8 penetrates the second sliding sleeve 4 and the support rod 1 through the second through hole 7 and the positioning hole 2 respectively, when the ground is uneven and the bottom plate 10 needs to be installed, the four second sliding sleeves 4 are slidably installed with the four support rods 1, the second through hole 7 of the second sliding sleeve 4 is aligned with the lowest end positioning hole 2 of the support rod 1, the second through hole 7 and the support rod 1 are fixed through the second bolt 8, and the installation of the bottom plate 10 is completed.

[0033] In one embodiment, as shown in Figure 1 and Figure 2 The bottom of the four support rods 1 is provided with a support structure 9, which includes a threaded sleeve 901 fitted on the bottom end of the support rod 1, and the bottom of the threaded sleeve 901 is threadedly connected with a threaded column 902, and the bottom end of the threaded column 902 is fixedly installed with a first knob 903, and the bottom end of the first knob 903 is rotatably installed with a foot pad 904. When the ground is uneven, the threaded sleeve 901 is fitted on the bottom end of the support rod 1, the first knob 903 is rotated to drive the threaded column 902 to rotate, and the position of the foot pad 904 is changed by the rotation of the threaded column 902, so as to facilitate adjustment according to the uneven ground and ensure that the bottom plate 10 is in a horizontal state, thereby improving the stability of the firework launching.

[0034] In one embodiment, as shown in Figure 3 The inside of the fixed frame 11 is provided with a first sliding groove 12 on both sides, and a second sliding groove 13 is provided on the other two sides of the inside of the fixed frame 11, and the first sliding groove 12 and the second sliding groove 13 improve the stability of the sliding of the first adjusting part 1403 and the second adjusting part 1503.

[0035] In one embodiment, as shown in Figure 3 and Figure 4 The first adjusting mechanism 14 includes a first screw rod 1401 rotatably installed in the inside of the fixed frame 11, and the input end of the first screw rod 1401 penetrates the fixed frame 11 and is connected with a second knob 1402, and a plurality of first adjusting parts 1403 are equidistantly arranged on the outside of the first screw rod 1401, and the first adjusting parts 1403 are slidably installed in the fixed frame 11 through the first sliding groove 12. When it is necessary to adjust the placement size according to the size of the cylindrical firework barrel, the second knob 1402 is rotated to drive the first screw rod 1401 to rotate, and since a plurality of sets of right and left threads are arranged on the outside of the first screw rod 1401, the plurality of first adjusting parts 1403 on the outside of the first screw rod 1401 are moved to change the placement size. The second adjusting mechanism 15 includes a second screw rod 1501 rotatably installed in the inside of the fixed frame 11, and the input end of the second screw rod 1501 penetrates the fixed frame 11 and is connected with a third knob 1502, and a plurality of second adjusting parts 1503 are equidistantly arranged on the outside of the second screw rod 1501, and the second adjusting parts 1503 are slidably installed in the fixed frame 11 through the second sliding groove 13. The third knob 1502 is rotated to drive the second screw rod 1501 to rotate, and since a plurality of sets of right and left threads are arranged on the outside of the second screw rod 1501, the plurality of second adjusting parts 1503 on the outside of the second screw rod 1501 are moved to change the placement size.

[0036] In one embodiment, as shown in Figure 5As shown, the second adjusting part 1503 and the first adjusting part 1403 both comprise a sliding block 16 which is respectively screwed on the outside of the second screw rod 1501 and the first screw rod 1401, the outside of the sliding block 16 is respectively provided with a fixed rod 17 and a sliding groove 18, the outside of the sliding block 16 is slidably provided with a sliding rod 19 through the sliding groove 18, the bottom of the sliding rod 19 is fixedly provided with a connecting part 20, the bottom of the connecting part 20 is screwed with a fourth knob 21, the loosening of the fourth knob 21 makes the two sliding rods 19 connected by the connecting part 20 move together, the distance between the sliding rod 19 and the fixed rod 17 is changed, and the gap is used to ensure that there is a separation space between the two barrels to avoid group explosion accidents, that is, multiple barrels are ignited at the same time due to the transmission of fire, instead of being ignited and launched according to the designed ignition order.

[0037] The above embodiment discloses a fixed device of a fireworks launching barrel, wherein whether the support structure 9 and the bottom plate 10 are installed is judged according to whether the ground where the device is placed is flat, when the road surface is uneven, four second sliding sleeves 4 and four support rods 1 are slidably installed, and the second through hole 7 of the second sliding sleeve 4 is aligned with the lowest end positioning hole 2 of the support rod 1, the second through hole 7 and the support rod 1 are fixed through the second bolt 8, the threaded sleeve 901 is clamped and installed at the bottom end of the support rod 1, the first knob 903 is rotated to drive the threaded column 902 to rotate, the position of the foot pad 904 is changed by the rotation of the threaded column 902, which is convenient for adjusting according to the uneven ground and ensures that the bottom plate 10 is in a horizontal state, the height of the upper fixing frame 11 is adjusted according to the height of the cylindrical fireworks barrel, the height of the upper fixing frame 11 is conveniently changed through the cooperation between the positioning hole 2, the first sliding sleeve 3 and the first bolt 6, the height is adjusted to be suitable for the height of the cylindrical fireworks barrel, the size of the space where the cylindrical fireworks barrel is placed can be changed through the cooperation between the first adjusting mechanism 14 and the second adjusting mechanism 15, which is convenient for adjusting according to cylindrical fireworks barrels of different sizes, and can avoid the situation that multiple barrels are ignited at the same time due to the transmission of fire, instead of being ignited and launched according to the designed ignition order, finally, the fireworks are put into the cylindrical fireworks barrel for launching.

[0038] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A fixed device of a display shell launching barrel, comprising four support rods (1), the outer part of each of the four support rods (1) is provided with a positioning hole (2), the outer part of each of the four support rods (1) is respectively sleeved with a slidable first sliding sleeve (3) and a second sliding sleeve (4), and a fixed frame (11) is fixedly installed between the four first sliding sleeves (3). characterized in that The inner part of the fixed frame (11) is respectively provided with a first adjusting mechanism (14) and a second adjusting mechanism (15).

2. The device according to claim 1, wherein The outer part of each of the four first sliding sleeves (3) is provided with a first through hole (5), and a first bolt (6) is arranged between the first sliding sleeve (3) and the support rod (1), and the first bolt (6) penetrates the first sliding sleeve (3) and the support rod (1) through the first through hole (5) and the positioning hole (2) respectively.

3. The device according to claim 1, wherein A bottom plate (10) is fixedly installed between the four second sliding sleeves (4).

4. The device according to claim 1, wherein The outer part of each of the four second sliding sleeves (4) is provided with a second through hole (7), and a second bolt (8) is arranged between the second sliding sleeve (4) and the support rod (1), and the second bolt (8) penetrates the second sliding sleeve (4) and the support rod (1) through the second through hole (7) and the positioning hole (2) respectively.

5. The device according to claim 1, wherein The bottom of each of the four support rods (1) is provided with a support structure (9), the support structure (9) comprises a threaded sleeve (901), the threaded sleeve (901) is clamped and installed at the bottom end of the support rod (1), the bottom of the threaded sleeve (901) is threadedly connected with a threaded column (902), the bottom end of the threaded column (902) is fixedly installed with a first knob (903), and the bottom end of the first knob (903) is rotatably installed with a foot pad (904).

6. The device according to claim 1, wherein The inner part of the fixed frame (11) is provided with first sliding grooves (12) on both sides, and the inner part of the fixed frame (11) is provided with second sliding grooves (13) on the other two sides.

7. The device according to claim 1, wherein The first adjusting mechanism (14) comprises a first screw rod (1401), the first screw rod (1401) is rotatably installed in the inner part of the fixed frame (11), the input end of the first screw rod (1401) penetrates the fixed frame (11) and is connected with a second knob (1402), equidistant first adjusting pieces (1403) are arranged on the outer part of the first screw rod (1401), the first adjusting pieces (1403) are slidably installed in the fixed frame (11) through the first sliding grooves (12), and the second adjusting mechanism (15) comprises a second screw rod (1501), the second screw rod (1501) is rotatably installed in the inner part of the fixed frame (11), the input end of the second screw rod (1501) penetrates the fixed frame (11) and is connected with a third knob (1502), equidistant second adjusting pieces (1503) are arranged on the outer part of the second screw rod (1501), and the second adjusting pieces (1503) are slidably installed in the fixed frame (11) through the second sliding grooves (13).

8. The device according to claim 7, wherein The second adjusting part (1503) and the first adjusting part (1403) both comprise a sliding block (16) which is respectively screwed on the outside of the second screw rod (1501) and the first screw rod (1401), the outside of the sliding block (16) is respectively provided with a fixed rod (17) and a sliding groove (18), the outside of the sliding block (16) is slidably provided with a sliding rod (19) through the sliding groove (18), the bottom of the sliding rod (19) is fixedly provided with a connecting piece (20), and the bottom of the connecting piece (20) is screwed with a fourth knob (21).

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