CN214620882U - Novel firework barrel - Google Patents

Abstract

The utility model relates to a brand-new firework barrel. The shooting device comprises a barrel, wherein an upper sealing cover and a bottom cover are respectively arranged at the upper end and the lower end of the barrel, a spacer is in sliding fit in the barrel, a shooting mechanism is arranged between the spacer and the bottom cover, the shooting mechanism comprises a metal can, a shooting block and a push rod, the metal can is filled with silver fulminate, the shooting block is positioned at the lower side of the metal can and is arranged to penetrate through the metal can, and a first limiting cap is arranged at one end of the shooting block, positioned in the metal can; the upper end of the metal tank is provided with a guide pipe which is vertically arranged, the push rod penetrates through the guide pipe, and the upper end of the push rod is abutted with the spacer; the bottom cover is provided with a spring triggering assembly capable of rapidly pushing the triggering block. Through spring percussion subassembly striking percussion piece, percussion piece can let the violent gasification explosion of the silver fulminant in the metal can by the impact that the striking produced, and the air current thrust that produces behind the silver fulminant explosion is big, and is fast, makes the utility model discloses can adorn more fireworks display pieces, the height that the fireworks display piece sprays is also higher.

Description

Novel firework barrel

Technical Field

The utility model relates to a fireworks display tube especially relates to a brand-new fireworks display tube.

Background

The fireworks display tube is a device with ornaments such as a spray flash, a paper sheet, a colored ribbon and the like, and is generally used by people to increase the festive atmosphere. The existing fireworks display tube is generally cylindrical, a high-pressure gas tank is arranged at the bottom, and the gas tank is unlocked by twisting the bottom to jet high-speed airflow to drive the ornaments inside the gas tank to be sprayed out together. However, due to volume limitation, the gas volume in the gas tank is limited, so that the number of fireworks capable of being sprayed is limited, and the spraying height of the fireworks is also limited.

Disclosure of Invention

The utility model provides a brand-new firework tube; the problem of exist among the prior art because the gas pitcher volume restriction leads to spraying effect restriction is solved.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a brand-new fireworks display tube, includes the barrel, the sealed upper end that is provided with of barrel covers, the lower extreme of barrel is equipped with the bottom, sliding fit has gliding spacer from top to bottom in the barrel, be formed with the injection chamber that can hold fireworks piece between spacer and the upper cover, be equipped with launching mechanism, its characterized in that between spacer and the bottom: the launching mechanism comprises a metal tank, a firing block and a push rod, wherein the metal tank is fixed relative to the barrel, silver fulminate is filled in the metal tank, the firing block is positioned at the lower side of the metal tank and is arranged to penetrate through the metal tank, and a first limiting cap is arranged at one end, positioned in the metal tank, of the firing block; the upper end of the metal tank is provided with a vertically arranged guide pipe in an extending manner, the guide pipe is communicated with the interior of the metal tank, the push rod penetrates through the guide pipe, and the upper end of the push rod is abutted to the spacer; and a spring firing assembly capable of rapidly pushing the firing block is arranged on the bottom cover.

The utility model discloses a theory of operation does: through spring percussion subassembly striking percussion block, percussion block can let the violent gasification explosion of silver fulminant in the metal can by the impact that the striking produced, the gas that the explosion produced can make the atmospheric pressure in the metal can sharply increase, atmospheric pressure difference can promote first spacing cap and push rod outwards simultaneously and remove, first spacing cap is in the back of closing with the metal can, the air current can only flow from push rod one side, the push rod upwards is released, promote the spacer rebound in step, the atmospheric pressure in injection chamber also sharply increases, and go up the less connected mode of intensity of closing cap adoption, will be broken by atmospheric pressure extrusion very easily, the fireworks display in injection chamber will be pushed out fast, reach the effect of spraying. The silver fulminate is solid, and the dosage is very small for ensuring the safety, so the volume of the metal can is not large. But the air current thrust that produces behind the silver-fulminate explosion is big, and is fast, makes the utility model discloses can adorn more fireworks display pieces, the height that fireworks display pieces sprayed is also higher.

Further, the spring firing assembly comprises a rotating shaft, a pressure spring and an ejection block, the rotating shaft is vertically arranged by penetrating through a bottom cover, a shaft hole which can be sleeved with the rotating shaft is formed in the bottom of the ejection block, the shaft hole and the upper end of the rotating shaft can be in up-and-down sliding fit, the pressure spring is located between the bottom cover and the ejection block, a plurality of first limiting blocks which are distributed in a radiation mode are arranged on the side wall of the ejection block, and a plurality of second limiting blocks which can be abutted to the upper sides of the first limiting blocks for limiting are arranged on the bottom cover; the first limiting block and the second limiting block on the ejection block can be driven to release limiting by twisting the rotating shaft, and the pressure spring can push the ejection block to impact the firing block. Therefore, only the rotating shaft is rotated to enable the spring firing assembly to complete the firing action, and the spring firing assembly is relatively difficult to mistakenly touch.

Furthermore, the lower extreme of push rod is equipped with the spacing cap of second, and the upper end of stand pipe is equipped with the spacing step piece that can close with the spacing cap butt of second, and the thrust after preventing the explosion is released the stand pipe with the push rod completely, uses safelyr.

Furthermore, the bottom side of the first limit cap is provided with a rubber ring. Like this first spacing cap the gas tightness when propping up with the metallic tank better, reduce the thrust loss of push rod one side.

Furthermore, a horizontal round pushing piece is arranged at the upper end of the pushing rod, and the upper surface of the pushing piece is abutted to the spacer. The area of the push sheet is larger, so that the stress of the spacer is more uniform.

Furthermore, the lower extreme of pivot is equipped with rotatory cap, is convenient for twist reverse the pivot.

Further, the bottom of the cylinder body is covered with a lower sealing cover capable of covering the bottom cover, and the rotating shaft can be rotated only by opening the lower sealing cover; meanwhile, a safety strip is pasted between the rotating cap and the lower surface of the bottom cover, and the rotating cap can be twisted only by tearing the safety strip.

Therefore, compared with the prior art, the utility model has the following characteristics: 1. the mode through detonating the silver thunderstorm fireworks, the air current thrust that produces behind the silver thunderstorm is big, and is fast, makes the utility model discloses can adorn more fireworks display pieces, the height that the fireworks display piece sprayed is also higher.

Drawings

Fig. 1 is a longitudinal sectional view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a profile view of the shaft and the second stopper.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1: see fig. 1 and fig. 2, a brand-new fireworks display tube, includes barrel 1, the upper end of barrel is pasted and is had plastic paper material's upper cover 2, the lower extreme of barrel is equipped with bottom 3, sliding fit has the spacer 4 that can slide from top to bottom in the barrel, be formed with the injection chamber 11 that can hold fireworks piece between spacer and the upper cover, be equipped with launching mechanism 5, its characterized in that between spacer and the bottom: the launching mechanism comprises a metal can 51, a triggering block 52 and a push rod 53, a fixed seat 12 is arranged in the cylinder body, the metal can is fixed on the fixed seat, silver fulminate 54 is filled in the metal can, the triggering block is positioned at the lower side of the metal can and is arranged to penetrate through the metal can, and a first limiting cap 521 is arranged at one end of the triggering block, which is positioned in the metal can; a vertically arranged guide pipe 55 is arranged at the upper end of the metal tank in an extending manner, the guide pipe is communicated with the interior of the metal tank, the push rod penetrates through the guide pipe, and the upper end of the push rod is abutted to the spacer; and a spring firing assembly 6 capable of rapidly pushing the firing block is arranged on the bottom cover.

The working principle of the embodiment is as follows: through spring percussion subassembly striking percussion block, percussion block can let the violent gasification explosion of silver fulminant in the metal can by the impact that the striking produced, the gas that the explosion produced can make the atmospheric pressure in the metal can sharply increase, atmospheric pressure difference can promote first spacing cap and push rod outwards simultaneously and remove, first spacing cap is in the back of closing with the metal can, the air current can only flow from push rod one side, the push rod upwards is released, promote the spacer rebound in step, the atmospheric pressure in injection chamber also sharply increases, and go up the less connected mode of intensity of closing cap adoption, will be broken by atmospheric pressure extrusion very easily, the fireworks display in injection chamber will be pushed out fast, reach the effect of spraying. The silver fulminate is solid, and the dosage is very small for ensuring the safety, so the volume of the metal can is not large. But the airflow thrust generated after the silver fulminate is exploded is large, and the speed is high, so that more fireworks pieces can be loaded in the embodiment, and the height of the fireworks pieces for spraying is also higher.

Referring to fig. 1 and 3, the spring firing assembly comprises a square rotating shaft 61, a pressure spring 62 and an ejection block 63, the rotating shaft is vertically arranged by penetrating through a bottom cover, a square shaft hole 631 capable of being sleeved with the rotating shaft is formed in the bottom of the ejection block, the shaft hole and the upper end of the rotating shaft can be in up-and-down sliding fit, the pressure spring is located between the bottom cover and the ejection block, four first limiting blocks 632 distributed in a cross shape are arranged on the side wall of the ejection block, and four second limiting blocks 31 capable of being abutted to the upper sides of the first limiting blocks for limiting are arranged on the bottom cover; the first limiting block and the second limiting block on the ejection block can be driven to release limiting by twisting the rotating shaft, and the pressure spring can push the ejection block to impact the firing block. Therefore, only the rotating shaft is rotated to enable the spring firing assembly to complete the firing action, and the spring firing assembly is relatively difficult to mistakenly touch.

Referring to fig. 1, the lower end of the push rod is provided with a second limit cap 531, the upper end of the guide tube is provided with a limit step 551 which can be abutted against the second limit cap, the push rod is prevented from being completely pushed out of the guide tube by the thrust after explosion, and the use is safer.

Referring to fig. 2, the bottom side of the first stopper cap is provided with a rubber ring 7. Like this first spacing cap the gas tightness when propping up with the metallic tank better, reduce the thrust loss of push rod one side.

Referring to fig. 1, a horizontal circular push plate 532 is arranged at the upper end of the push rod, and the upper surface of the push plate is abutted to the spacer. The area of the push sheet is larger, so that the stress of the spacer is more uniform.

Referring to fig. 1, a rotating cap 611 is provided at the lower end of the rotating shaft to facilitate the rotation of the rotating shaft.

Referring to fig. 1, the bottom of the cylinder is covered with a lower sealing cover 8 which can cover the bottom cover, and the rotating shaft can be rotated only by opening the lower sealing cover; meanwhile, a safety strip 9 is pasted between the rotary cap and the lower surface of the bottom cover, and the rotary cap can be twisted only by tearing the safety strip.

The invention may be modified in many ways which will be obvious to a person skilled in the art, and such modifications are not to be considered as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claim.

Claims (8)

1. The utility model provides a brand-new fireworks display tube, includes the barrel, the sealed upper end that is provided with of barrel covers, the lower extreme of barrel is equipped with the bottom, sliding fit has gliding spacer from top to bottom in the barrel, be formed with the injection chamber that can hold fireworks piece between spacer and the upper cover, be equipped with launching mechanism, its characterized in that between spacer and the bottom: the launching mechanism comprises a metal tank, a firing block and a push rod, wherein the metal tank is fixed relative to the barrel, silver fulminate is filled in the metal tank, the firing block is positioned at the lower side of the metal tank and is arranged to penetrate through the metal tank, and a first limiting cap is arranged at one end, positioned in the metal tank, of the firing block; the upper end of the metal tank is provided with a vertically arranged guide pipe in an extending manner, the guide pipe is communicated with the interior of the metal tank, the push rod penetrates through the guide pipe, and the upper end of the push rod is abutted to the spacer; and a spring firing assembly capable of rapidly pushing the firing block is arranged on the bottom cover.

2. A full fledged fireworks cartridge according to claim 1, characterized in that: the spring firing assembly comprises a rotating shaft, a pressure spring and an ejection block, the rotating shaft penetrates through a bottom cover and is vertically arranged, a shaft hole which can be sleeved with the rotating shaft is formed in the bottom of the ejection block, the shaft hole and the upper end of the rotating shaft can be in up-and-down sliding fit, the pressure spring is located between the bottom cover and the ejection block, a plurality of first limiting blocks which are distributed in a radiation mode are arranged on the side wall of the ejection block, and a plurality of second limiting blocks which can be abutted to the upper sides of the first limiting blocks for limiting are arranged on the bottom cover; the first limiting block and the second limiting block on the ejection block can be driven to release limiting by twisting the rotating shaft, and the pressure spring can push the ejection block to impact the firing block.

3. A full novelty fireworks cartridge according to claim 2, characterized in that: the lower end of the push rod is provided with a second limit cap, and the upper end of the guide tube is provided with a limit step block which can be abutted against the second limit cap.

4. A full fledged fireworks cartridge according to claim 1, characterized in that: the bottom side of the first limiting cap is provided with a rubber ring.

5. A full fledged fireworks cartridge according to claim 3, characterized in that: the upper end of the push rod is provided with a horizontal round push sheet, and the upper surface of the push sheet is abutted to the spacer.

6. A full novelty fireworks cartridge according to claim 2, characterized in that: the lower end of the rotating shaft is provided with a rotating cap.

7. The full-new firework cylinder of claim 6, wherein: the bottom of the cylinder body is also covered with a lower sealing cover capable of covering the bottom cover, and a safety strip is pasted between the rotating cap and the lower surface of the bottom cover.

8. The all-new firework cylinder of claim 7, wherein: a fixing seat is arranged in the barrel, and the metal tank is fixed on the fixing seat.

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