High-pressure pneumatic apparatus
An improved high-pressure pneumatic apparatus can prevent gas leakage and allows quick assembling and is safe in use. The apparatus can be used with a barrel of an anti-riot or rescue tool gun, such as a catching net gun, a line-throwing gun or a riot gun, for supplying an intensive pressure for shooting in a very short time.
1. Field of the Invention
The present invention relates to an improved high-pressure pneumatic apparatus, and more particularly to a high-pressure pneumatic apparatus, which can prevent gas leakage and is safe in use.
2. Description of Related Art
In a conventional anti-riot or rescue tool gun, such as a catching net gun, a line-throwing gun or a riot gun, a gas bottle or a gunpowder cartridge is typically disposed at a distal end of a barrel thereof to supply a high-pressure power for shooting.
However, since the gas bottle is designed to be refilled with gas, gas leakage may take place insensibly and may adversely affect the shooting of the gun. Therefore, periodical check on the gas pressure in the gas bottle and refilling the gas as needed, which are both labor-consuming and cost-consuming, are necessary for ensuring good operation of the gun.
On the other hand, the conventional anti-riot or rescue tool gun that implements gunpowder explosion as a power source for shooting is limited in use due to the strict legal restrictions on the use of gunpowder.
What is needed, therefore, is a high-pressure pneumatic apparatus that can be used with barrels of various anti-riot and rescue tool guns and can generate high pressure for shooting in a very short time, in addition, in which gas leakage can be prevented to achieve stable intensive pressure for shooting, and adjustment of the gas pressure is allowed.
SUMMARY OF THE INVENTIONThe present invention is directed to an improved high-pressure pneumatic apparatus, and more particularly to a high-pressure pneumatic apparatus, which can prevent gas leakage and allow quick assembling and is safe in use. The apparatus can be used with a barrel of an anti-riot or rescue tool gun, such as a catching net gun, a line-throwing gun or a riot gun, for supplying intensive pressure for shooting in a very short time. In addition, the present invention allows the pressure for shooting to be adjusted to an appropriate pressure level.
In order to make the aforementioned and other features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
An improved high-pressure pneumatic apparatus comprises an actuation gun 10, a gas-pressure device 80, and a recessed disk 95.
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In the above construction, the size of the valve hole 802 of the valve cock unit 801 and the resiliency of the resilient ball 90 may affect the amount of the increased pressure of the accumulated gas. Therefore, resilient balls 90 of different resiliencies may be prepared to be selectively used to form different gas pressure levels (e.g., pressure levels like 30, 40, or 60 Kg/cm2 or the like).
It will be apparent to those skilled in the art that various modifications and variations can be made to the structure of the present invention without departing from the scope or spirit of the invention. In view of the foregoing, it is intended that the present invention cover modifications and variations of this invention provided they fall within the scope of the following claims and their equivalents.
Claims
1. An improved high-pressure pneumatic apparatus, comprising:
- an actuation gun, which mainly comprises a recess, a forwardly extended shaft slot in communication with the recess, a tension spring inserted in a bottom of the shaft slot while slightly protruding out of the shaft slot, and a trigger disposed at a distal end of the shaft slot, wherein the actuation gun at a front portion thereof comprises a barrel gas chamber that is in communication with a handle internal chamber and has a hole defined at a rear thereof in communication with the recess, in which a tube protrudes from an edge of the hole to form a tube slot so as to allow a strike pin and a spring to be inserted through the tube slot, and a cover having a through hole to cover the tube slot, and a plurality of protruding blocks is formed near an opening of the barrel gas chamber, and wherein an axle is disposed in the recess for supporting a movable strike arm that has one end thereof formed as a hook portion for being hooked with a hook of a shaft, which is disposed in the shaft slot and has a hole defined at a front end thereof for receiving a protruding pin of the trigger such that the shaft can be moved by the trigger, in which the tension spring resists against a bottom surface of the shaft;
- a gas-pressure device, which comprises a valve cock unit centrally defining a valve hole and a recessed portion for receiving a resilient valve ball so that a recessed portion at a rear end of the tubular ball retainer abuts against and thereby positions the resilient valve ball, and a high-pressure gas bottle disposed in a latch bracket and positioned relative to the valve cock unit by inserting protrusions of the latch bracket into latch rails of the valve cock unit and rotating the latch bracket relative to the valve cock unit, wherein the tubular ball retainer comprises a plate bracket abutting against a front end of the latch bracket so as to position the high-pressure gas bottle in place, and the valve cock unit comprises a plurality of gun latch rails behind the latch rails; and
- a recessed disk, which is connected with an inner tube of a gun tube and has a plurality of spaced tabs arranged along an outer periphery thereof;
- whereby when the gun tube is connected with the gas-pressure device, the protruding blocks of the barrel gas chamber of the actuation gun are inserted into the gun latch rails of the valve cock unit respectively, and the valve cock unit is rotated and thus positioned relative to the actuation gun.
Type: Application
Filed: Feb 4, 2008
Publication Date: Aug 6, 2009
Inventor: Hsin-Hung Lin (Luibu Township)
Application Number: 12/068,135
International Classification: F41B 11/06 (20060101);