CN209246810U - A kind of compressed air firecrackers - Google Patents

Abstract

The utility model provides a kind of compressed air firecrackers, including monitor body, piston, spring, end cap, the first tracheae connecting hole, the second tracheae connecting hole, upper chamber, lower chamber, the first sealing ring, the second sealing ring, the first venthole, the second venthole, rubber case；The monitor body is that the open end periphery of a hollow housing structure and monitor body forms stepped groove, the end cap opens up guide hole along axle center, the piston is mounted on inside monitor body, one end of piston is set in guide hole, the other end stretches to the hollow inner cavity of monitor body, first venthole is connected to air guide channel with the second venthole, the rubber case plays unidirectional valve action, the spring is mounted in upper chamber, both ends of the spring compresses the end cap and spaced walls respectively, so that the spaced walls of piston support the end face of the monitor body open end；The utility model air firecracker can replace traditional firecrackers, reusable and do not pollute the environment.

Description

A kind of compressed air firecrackers

Technical field

The utility model relates to air to compress acoustic generator technical field, and in particular to a kind of reusable and not Pollute the compressed air firecrackers of environment.

Background technique

Firecrackers history is of long standing and well established, set off firecracker have become the Chinese nation celebrate held a ceremony when grand celebration it is important Component part, this ceremony support the common faith and dream of global Chinese, have become traditional culture of the Chinese nation；So And mostly currently on the market is traditional explosive firecrackers, the occurring principle of conventional explosives firecrackers is by consolidation in firecrackers paper-tube The unexpected explosion of explosive makes its surrounding air that vibration occur to generate sound, and such tradition firecrackers are big in production or transport Amount is packed together extremely dangerous, once the harm that explosion generates is very huge, and environment is not only seriously polluted when setting off, It is also possible to wound people simultaneously and generates fire；Since traditional firecrackers are expendable consumed product, cannot reuse, after setting off A large amount of rubbish can be left, the waste of resource is also resulted in, there are many cities to prohibit setting off for conventional explosives firecrackers；Therewith Although the electronic firecracker safety and environmental protection of appearance, being limited by power supply can not be carried out whenever and wherever possible using and only sound does not have Dynamically, smog and smell allow people to be not felt by the red-letter day atmosphere that is set off firecracker, influence effect brought by firecracker setting-off.

Utility model content

In view of the above, the utility model is repeatable to make it is necessary to provide a kind of gunpowder that can be replaced in traditional firecrackers With and the compressed air firecrackers that do not pollute the environment.

A kind of air compression firecrackers, including the connection of monitor body, piston, spring, end cap, the first tracheae connecting hole, the second tracheae Hole, upper chamber, lower chamber, the first sealing ring, the second sealing ring, the first venthole, the second venthole, rubber case；The big gun Body is a hollow housing structure, and the open end periphery of one end opening, other end closing, the monitor body forms ladder Slot, for end cap socket, the end cap is socketed in the open end of monitor body, the ladder groove portion of the open end of end cap internal diameter and monitor body Point outer diameter it is suitable, by be set in the open end of monitor body and by screw thread in a manner of connect together with monitor body, the end Cover rim axle center opens up guide hole, is provided with the first tracheae connecting hole and the second tracheae connecting hole along axial direction on the end cap, described First tracheae connecting hole and the second tracheae connecting hole are located at the two sides of guide hole, radially offer on the peripheral wall of the end cap quick-fried Fried mouth, the piston are mounted on inside monitor body, and one end of piston is set in guide hole, and the other end stretches to hollow interior of monitor body Chamber, is convexly equipped with spaced walls on the periphery wall of the piston, in stepped two sections in spaced walls, first segment diameter and end cap Internal diameter is suitable, and second segment diameter is suitable with the internal diameter of monitor body, and spaced walls first segment is accommodated in second segment in end cap and is accommodated in monitor body It is interior, be formed as upper chamber between spaced walls and end wall, be formed as lower chamber, the big gun between spaced walls and the closed end of monitor body The end face of body open end can prevent piston from sliding to the closed end of monitor body always, one section for being set in guide hole of the piston Periphery the first sealing ring is installed, the periphery of one end that spaced walls are relatively large in diameter is equipped with the second sealing ring, spaced walls diameter The periphery of lesser one end is equipped with third sealing ring, and the piston centre is provided in the axial direction with air guide channel, and piston is corresponding The first venthole, corresponding one section of periphery wall being accommodated in lower chamber are opened up on one section of periphery wall being accommodated in upper chamber On open up the second venthole, first venthole is connected to air guide channel with the second venthole, thus by upper chamber with Lower chamber connection, the second venthole exit are cased with rubber case, and the rubber case plays unidirectional valve action, makes the pressure in upper chamber Contracting air can flow into lower chamber, and the compressed air in lower chamber can not flow back into upper chamber, since piston is set in The aperture of diameters of axle ratio guide hole in guide hole is slightly smaller, as long as the first sealing ring moves on the outside of end cap, the compressed air in upper chamber It can quickly quickly be flowed out in atmosphere from the gap of guide hole and piston, the spring is mounted in upper chamber, spring Both ends compress the end cap and spaced walls respectively, so that the spaced walls of piston support the end face of the monitor body open end.

The utility model has the following beneficial effects: can be used with repetitive cycling, a disk firecrackers can at least use 1 year, often It is secondary that only need to fill a certain amount of air can before；Environmental protection will not pollute air, will not generate rubbish.Air firecracker Energy source be compressed air, the smog of generation is water mist, is not all polluted the environment, and what is given out is fragrance, to human body It is harmless；Safety, will not accidental explosion, fire will not be caused, will not wound and people and blow up building.Air firecracker is in inflation When have pressure overflow protection, can overflow, and sound the alarm automatically when pressure, which is charged to, allows maximum pressure, stop filling at this time Gas.Explosion is all safe to people and building under maximum pressure.It in firecrackers is all low-pressure state when manufacture and transport, It will not occur accidental explosion accident, also without explosive in firecrackers factory, accidental explosion accident will not occur during production；Appearance Grace, since air firecracker structure is simple, appearance can draw various patterns and text, existing reality with flexible design above Border uses meaning, and has decoration significance；The pollution to air is directly reduced in firecrackers explosion time, and fire will not be caused and fried It hurts sb.'s feelings, firecrackers shell can be used with repetitive cycling, reinflated after explosion to can also continue to using, more safety and environmental protection, can be with According to the requirement of client, the firecrackers of customized various smells, can also outside firecrackers shell one layer of red paper of surface cover, reach fullly red Effect, water of inside adding some points, explosion, which comes out, water mist effect, and addition luminescent material is there are also illumination effect, the nothing in using effect Limit is close to explosive firecrackers, without dangerous as traditional firecrackers and pollution environment.

The preferred embodiment and its advantages of the utility model, will be in conjunction with specific embodiment further specifically It is bright.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment is used to explain together the utility model, but should not constitute limitations of the present invention.In the accompanying drawings,

Fig. 1 is the schematic cross-section that a kind of air of the utility model compresses firecrackers.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

A kind of compressed air firecrackers as shown in Figure 1, including monitor body 801, piston 802, spring 803, end cap 804.Monitor body 801 be a hollow housing structure, and the open end periphery of one end opening, other end closing, monitor body 801 forms stepped groove, For the socket of end cap 804.End cap 804 is socketed in the open end of monitor body 801, the rank of 804 internal diameter of end cap and the open end of monitor body 801 The outer diameter of terraced slot part is suitable, by be set in the open end of monitor body 801 and by screw thread in a manner of with monitor body 801 be connected to one It rises.End cap 804 opens up guide hole 806 along axle center.The first tracheae connecting hole 805 is provided with along axial direction on end cap 804 and the second tracheae connects Hole 808 is connect, the first tracheae connecting hole 805 and the second tracheae connecting hole 808 are located at the two sides of guide hole 806.On the peripheral wall of end cap 804 Radially offer explosion mouth 812.Piston 802 is mounted on inside monitor body 801, and one end of piston 802 is set in guide hole 806, The other end stretches to the hollow inner cavity of monitor body 801.It is convexly equipped with spaced walls on the periphery wall of piston 802, is in ladder in spaced walls Two sections of formula, first segment diameter is suitable with 804 internal diameter of end cap, and second segment diameter is suitable with the internal diameter of monitor body 801, spaced walls first Section is accommodated in second segment in end cap 804 and is accommodated in monitor body 801, and it is left to be formed as upper chamber 810(diagram between spaced walls and end wall Gas chamber), be formed as lower chamber 816(between spaced walls and the closed end of monitor body 801 and illustrate right gas chamber), 801 open end of monitor body End face can prevent piston 802 from sliding to the closed end of monitor body 801 always.Outside one section for being set in guide hole 806 of piston 802 First sealing ring 807 is installed, the periphery of one end (i.e. matching is in one end of end cap 804) that spaced walls are relatively large in diameter is equipped with week Second sealing ring 811, the lesser one end of spaced walls diameter (i.e. matching in one end of monitor body 801) periphery third sealing is installed Circle 813；803 center of piston is provided in the axial direction with air guide channel, and piston 803 corresponds to the outer of one section be accommodated in upper chamber 810 The first venthole 809 is opened up on peripheral wall, opens up the second venthole on corresponding one section of periphery wall being accommodated in lower chamber 816 815, the first venthole 809 is connected to air guide channel with the second venthole 815, so that upper chamber 810 and lower chamber 816 be connected Logical, 815 exit of the second venthole is cased with rubber case 814, and rubber case 814 plays unidirectional valve action, makes the compression in upper chamber 810 Air can flow into lower chamber 816, and the compressed air in lower chamber 816 can not flow back into upper chamber 810, due to piston 802 be set in the diameters of axle ratio guide hole 806 in guide hole 806 aperture it is slightly smaller, as long as the first sealing ring 807 moves to outside end cap 804 Side, the compressed air in upper chamber 810 quickly can be flowed out to quickly in atmosphere from the gap of guide hole 806 and piston 802. Spring 803 is mounted in upper chamber 810, and 803 both ends of spring compress the end cap 804 and spaced walls respectively, so that piston 803 Spaced walls support the end face of 801 open end of monitor body.

When single firecrackers work, piston 802 is in state as shown in Figure 1 under the action of 803 elastic force of spring, and explode mouth 812 between the second sealing ring 811 and third sealing ring 813.It is filled with compressed air from the first tracheae connecting hole 805, is compressed Air successively enters in upper chamber 810 and lower chamber 816, and finally upper lower chamber can all be full of compressed air, when reaching setting value Stop inflation.It when needing to allow firecrackers explosion to ring, slowly deflates from the second tracheae connecting hole 808, piston 802 is before this slowly to the left Movement, when the first sealing ring 807 moves to 804 outside of end cap, compressed air in upper chamber 810 is from guide hole 806 and piston It is quickly flowed out in atmosphere in 802 gap, piston 802 quickly moves downward, until third sealing ring 813 slips over explosion mouth 812 Place, explosion mouth 812 can be opened quickly, and the compressed air in lower chamber 816, which is released quickly against in air, generates explosive sound.

Above scheme all repeats can be recycled, although structure is somewhat complicated, more safety and environmental protection also has in fact Simpler scheme directly wraps compressed air or fuel gas with plastic bag, is made into the shape of firecrackers, is connected to one On gunpowder lead or electric leads, these shells for wrapping compressed air or fuel gas are ignited one by one with fire or electricity also has The effect of firecrackers, but will cause solid refuse pollution in this way, it is unfavorable for environmentally friendly to the full extent.

Without departing from the thought that the utility model is created, any group is carried out to the various different embodiments of the utility model It closes, content disclosed by the utility model should all be considered as；In the range of the technology design of the utility model, technical solution is carried out Any combination for the thought created without prejudice to the utility model that a variety of simple modifications and different embodiments carry out, should all be at this Within the protection scope of utility model.

Claims (1)

1. a kind of compressed air firecrackers, it is characterised in that: including monitor body, piston, spring, end cap, the first tracheae connecting hole, second Tracheae connecting hole, upper chamber, lower chamber, the first sealing ring, the second sealing ring, the first venthole, the second venthole, rubber case； The monitor body is a hollow housing structure, one end opening, other end closing, the open end periphery shape of the monitor body At stepped groove, for end cap socket, the end cap is socketed in the open end of monitor body, the rank of the open end of end cap internal diameter and monitor body The outer diameter of terraced slot part is suitable, by be set in the open end of monitor body and by screw thread in a manner of connect together with monitor body, institute The end cap stated opens up guide hole along axle center, is provided with the first tracheae connecting hole and the second tracheae connecting hole along axial direction on the end cap, The first tracheae connecting hole and the second tracheae connecting hole is located at the two sides of guide hole, radially opens on the peripheral wall of the end cap Equipped with explosion mouth, the piston is mounted on inside monitor body, and one end of piston is set in guide hole, and the other end stretches in monitor body Empty inner cavity, is convexly equipped with spaced walls on the periphery wall of the piston, in stepped two sections in spaced walls, first segment diameter Suitable with end cap internal diameter, second segment diameter is suitable with the internal diameter of monitor body, and spaced walls first segment is accommodated in second segment in end cap and accommodates In monitor body, be formed as upper chamber between spaced walls and end wall, be formed as lower chamber, institute between spaced walls and the closed end of monitor body The end face for the monitor body open end stated can prevent piston from sliding to the closed end of monitor body always, and the piston is set in guide hole One section of periphery the first sealing ring is installed, the periphery of the big one end of spaced walls diameter is equipped with the second sealing ring, spaced walls The periphery of the small one end of diameter is equipped with third sealing ring, and the piston centre is provided in the axial direction with air guide channel, piston pair The first venthole, corresponding one section of periphery being accommodated in lower chamber are opened up on one section of the periphery wall that should be accommodated in upper chamber The second venthole is opened up on wall, first venthole is connected to air guide channel with the second venthole, thus by upper chamber It is connected to lower chamber, the second venthole exit is cased with rubber case, and the rubber case plays unidirectional valve action, makes in upper chamber Compressed air can flow into lower chamber, and the compressed air in lower chamber can not flow back into upper chamber, since piston is arranged The aperture of diameters of axle ratio guide hole in guide hole is slightly smaller, as long as the first sealing ring moves on the outside of end cap, the compression in upper chamber is empty Gas quickly can be flowed out to quickly in atmosphere from the gap of guide hole and piston, and the spring is mounted in upper chamber, bullet Spring both ends compress the end cap and spaced walls respectively, so that the spaced walls of piston support the end face of the monitor body open end.