WO2002079710A1 - Dispositif de tir actionne par du gaz sous pression et dispositif d'alimentation en fluide sous pression pour un tel dispositif de tir - Google Patents

Dispositif de tir actionne par du gaz sous pression et dispositif d'alimentation en fluide sous pression pour un tel dispositif de tir Download PDF

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Publication number
WO2002079710A1
WO2002079710A1 PCT/EP2002/003284 EP0203284W WO02079710A1 WO 2002079710 A1 WO2002079710 A1 WO 2002079710A1 EP 0203284 W EP0203284 W EP 0203284W WO 02079710 A1 WO02079710 A1 WO 02079710A1
Authority
WO
WIPO (PCT)
Prior art keywords
supply device
pressure supply
container
propellant
removal
Prior art date
Application number
PCT/EP2002/003284
Other languages
German (de)
English (en)
Inventor
Franz Wonisch
Wulf H. Pflaumer
Dietmar Emde
Original Assignee
Umarex Sportwaffen Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Umarex Sportwaffen Gmbh & Co. Kg filed Critical Umarex Sportwaffen Gmbh & Co. Kg
Priority to EP02727466A priority Critical patent/EP1377787B1/fr
Priority to DE50205195T priority patent/DE50205195D1/de
Publication of WO2002079710A1 publication Critical patent/WO2002079710A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/60—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
    • F41B11/62—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas with pressure supplied by a gas cartridge

Definitions

  • the present invention relates to a pressure supply device for a compressed gas-operated firing device comprising at least one container for a propellant which is at least partially in the liquid phase in the at least one container, and furthermore comprises removal means for removing the propellant from a removal opening of the at least one container. Furthermore, the present invention relates to a compressed gas-operated projectile shooting device comprising a pressure supply device of the aforementioned type and channel means for transferring propellant from the pressure supply device into a firing area in which the propellant can be present in a gaseous phase in such an amount that the gas pressure of the propellant that at least one projectile can be accelerated for leaving the firing device.
  • a pressure supply device and a pressurized gas firing device of the aforementioned type are known from European patent application EP 0 704 668 AI.
  • the firing device described therein is designed as a firearm, in particular as a gas pressure pistol.
  • the pressure supply device of this gas pressure gun comprises a container for C0 2 , which serves as a propellant in this prior art.
  • the container is arranged in the pressure supply device in such a way that its removal opening is arranged at the top of the container.
  • the container is cylindrically shaped, the cylinder axis of this container enclosing only a relatively small angle with the vertical.
  • FIG. 6 which shows a list of the muzzle velocity of a firing device as a function of the number of shots fired
  • the pressure drop will be so high after approximately ten shots that the muzzle velocity decreases noticeably after approximately ten shots.
  • This has the disadvantage, particularly when the firing device is designed as a firearm, that after firing more than ten shots in a short time interval, for example, reliable aiming is no longer possible, since the muzzle velocity decreases from shot to shot.
  • the problem on which the present invention is based is the creation of a pressure supply device of the type mentioned at the outset and a firing device of the type mentioned at the beginning, in which at a high firing frequency for as large a number of shots as possible the one removed by the The pressure built up by the propellant is as constant as possible, so that the projectile launched by the firing device has an initial speed that is as constant as possible.
  • the at least one container and the removal means are arranged in the use position of the pressure supply device in such a way that removal of the liquid phase of the propellant is made possible.
  • the blowing agent is removed from the area of the liquid phase, even with short removal times, a relatively large amount of the blowing agent is removed, so that, regardless of the pressure of the gaseous phase in the container of the blowing agent, even at high firing frequencies and a high number of shots that have already taken place the amount of propellant removed is sufficient to generate a pressure which is sufficiently high for the desired initial or muzzle velocity in the firing area.
  • Pressure supply device of the at least one container and the removal means can be arranged such that the removal the liquid phase of the blowing agent is also possible if more than half, preferably more than 80% or 90% of the blowing agent has already been removed. This could be achieved, for example, by arranging the removal opening of the at least one container in the use position of the pressure supply device on the underside of the respective container.
  • the cylinder axis of the at least one container encloses an angle of less than 90 ° with the vertical, preferably an angle of less than 45 ° with the vertical, the removal opening being on the underside of the at least one container is arranged or preferably substantially aligned with the cylinder axis.
  • the cylinder axis of the at least one container can be aligned essentially parallel to the vertical. In this case, the propellant is removed from the liquid phase almost until the propellant container is completely emptied, so that sufficient pressure can be built up almost until the propellant container is completely emptied to ensure the desired exit speed of the projectile.
  • the pressure supply device comprises at least two containers, which are arranged in substantially the same way in the pressure supply device.
  • the pressure supply device can include a receptacle for the at least two containers, which is provided with a clamping element which, in cooperation with the receptacle, enables the removal openings of the at least two containers to be connected to the removal means at the same time. This ensures that when the container is connected to the removal means, one of the containers is not contacted first and a large amount of the propellant can escape before the second of the containers also contacts the removal means in such a way that one is directed to the outside out tight connection between the two containers and the removal means is achieved.
  • the clamping element can be attached to the at least two containers from above and can be moved towards the receptacle by means of a screw element.
  • the clamping element can move the two containers onto the receptacle so uniformly that the containers can be brought into contact with the removal means essentially simultaneously.
  • a handle can be provided on the screw element.
  • the pressure supply device can advantageously comprise coupling means for the tight connection of the pressure supply device to the firing device.
  • These coupling means can be connected to removal means via channel means.
  • the coupling means offer the advantage that the containers can be connected to the removal means within the pressure supply device without propellant escaping from the pressure supply device.
  • the propellant can spread within the pressure supply device, for example in the channel means up to the coupling means.
  • the propellant leave the pressure supply device and enter, for example, corresponding channel means provided in the firing device.
  • the coupling means preferably comprise an opening provided with an O-ring and a bolt which is held by means of a spring and which can be transferred from a first position in which it closes the opening against the force of the spring to a second position in which the opening is open for the propellant to pass through.
  • a preloaded bolt seal provides a simple one but nevertheless represents a very effective design of a coupling agent.
  • the firing device can preferably comprise corresponding coupling means for the tight connection to the pressure supply device, wherein the coupling means can comprise a connecting piece provided with a through hole, which can be sealingly inserted into a receptacle of the pressure supply device.
  • the connector when the connector is inserted into the receptacle, the connector can transfer the bolt from the first position to the second position. This ensures that the plug is pushed out of the opening only when the connector is inserted into the receptacle in such a way that the propellant can pass through the opening.
  • this can have a transverse groove at its end facing the bolt for the entry of the propellant into the through hole.
  • the firing device can, for example, be designed as a firearm.
  • the shooting device is designed as a gas pressure rifle, the
  • Pressure supply device can be introduced into a recess in the shaft of the firing device designed as a gas pressure rifle.
  • Gas pressure supply device can be connected to the butt plate of the shooting device designed as a gas pressure rifle. Such a placement of the pressure supply device in a gas pressure rifle represents a particularly effective placement.
  • the shooting device nails or clips are provided as projectiles.
  • the shooting device could be designed, for example, as an upholstery nailing device or the like.
  • any pressure supply device according to the invention to shoot projectiles that can be accelerated and fired by gas pressure.
  • Such shooting devices can be used in a wide variety of applications.
  • Figure 1 is a detailed perspective view of a shooting device according to the invention with a pressure supply device according to the invention without a container.
  • FIG. 2 is a partially sectioned perspective detail view of the firing device and the pressure supply device according to FIG. 1 with containers for propellant;
  • FIGS. 1 and 2 shows a sectional view of the pressure supply device according to FIGS. 1 and 2 with coupling and channel means for the continuation of the propellant;
  • Fig. 4 is a detailed view according to arrow IV in Fig. 3;
  • FIG. 5a shows a detailed view according to arrow Va in FIG. 3;
  • FIG. 5b shows a view according to FIG. 5a with the coupling means engaged
  • FIG. 6 shows a diagram showing the exit speed of a projectile from a shot device according to the invention or from shot devices according to the prior art as a function of the number of shots;
  • FIG. 7 shows a view corresponding to FIG. 3 of a further embodiment of an inventive
  • Firing device. ! _ 1 and 2 show an embodiment of a pressurized gas-powered firing device according to the invention.
  • the firing device is designed as a gas pressure-operated firearm, in particular as a gas pressure rifle.
  • the pressure supply device 1 shown in FIG. 1 and FIG. 2 can be introduced into the shaft 2 of the firing device designed as a gas pressure rifle.
  • the shaft 2 has a recess 3 which is open to the rear and into which the pressure supply device 1 can be inserted.
  • the pressure supply device 1 is connected to a butt plate 4, which after the introduction of the
  • Pressure supply device 1 in the recess 3 closes the shaft 2 to the rear.
  • a clamping lever 5 serving as a closure is attached with a V-shaped closure element 6.
  • the tensioning lever 5 can be pushed into the butt plate 4 in such a way that the closure element 6 locks the butt plate 4 on the shaft 2.
  • the closure realized by the tensioning lever 5 can be opened, so that the butt plate 4 can be pulled off to the rear.
  • the pressure supply device 1 in the exemplary embodiment shown has two receptacles 7, open at the top in the use position, for containers 8 for propellant.
  • the containers 8 can be commercial C0 2 cartridges. However, there is also the possibility of using other blowing agents, provided that they can be at least partially in the liquid phase at room temperature.
  • a clamping element 9 can also be removed, which in the position of use can be placed on the container 8 from above and can be moved in the direction of the receptacles 7 by means of a screw element 10, which holds the container 8 firmly in the receptacles 7 are held and on the other hand the removal means described in more detail below are actuated.
  • a handle 11 is attached to it.
  • the clamping element 9 also has two openings 12, into which the upper ends of the containers 8 can partially protrude, so that the clamping element 9 can securely grip them.
  • the removal means 16 can be removed in detail in FIG. 4.
  • the removal means 16 comprise a receptacle 17 with a circular cross section for the sealing receptacle of the container tip 18, which will usually also have a circular cross section.
  • an O-ring 19 is provided which, when the container tip 18 is pushed into the receptacle 17, lies sealingly on the outside of the container tip 18.
  • a piercing tip 20 of the removal means 16 is inserted into the removal opening 13 of the container 8, whereby the removal opening 13 is opened and propellant can enter the piercing tip 20 provided with an axial bore.
  • the axial bore of the piercing tip 20 is connected to a channel 21 which is surrounded by channel means and which is in the position of use Firing device extends substantially horizontally through the pressure supply device 1.
  • both container 8 located in the receptacles 7 are moved in such a way down simultaneously that substantially at 1 simultaneous opening of the Removal openings 13 of the two containers 8 takes place.
  • the central attachment of the screw element 10 to the clamping element 9 ensures an essentially horizontal alignment of the clamping element 9 and thus an essentially simultaneous movement of the containers 8 downwards.
  • FIGS. 5a and 5b show the further path of the propellant in the firing device.
  • Fig. 3 further channel means are shown, which are designated by the reference numeral 22.
  • Coupling means are provided between the channel means 22 and the channel 21, which also serves as a channel means, which can establish a connection between the pressure supply device 1 and the further channel means 22.
  • 5a shows the coupling means in a state in which the pressure supply device 1 has not yet been fully inserted into the recess 3 in the shaft 2.
  • 5b shows the completely inserted state of the pressure supply device 1 into the recess 3 of the shaft 2.
  • 5a shows the state in which the coupling means do not yet establish a connection between the channel 21 and the channel means 22, whereas in FIG. 5b a connection is created between the channel 21 and the channel means 22 for the propellant.
  • the coupling means comprise a connection piece 23 which is connected to the channel means 22 and which is located in Use position of the shooting device has a horizontally extending axial through hole.
  • the connection piece 23 On its side facing the pressure supply device 1, the connection piece 23 additionally has a transverse groove 24, which enables a lateral penetration of propellant into the axial bore of the connection piece 23.
  • the coupling means further comprise a pin 25 which is included in the pressure supply device 1 and which is held in the pressure supply device 1 against the force of a spring 26.
  • the bolt 25 is essentially cylindrical in shape and has a section 27 with a first smaller diameter and a section 28 with a second larger diameter. The bolt 25 can be moved essentially horizontally against the force of the spring 26 in the use position of the firing device.
  • An essentially hollow cylindrical receptacle 30 is also provided in the pressure supply device 1 for the introduction of the hollow connecting piece 23.
  • this hollow cylindrical receptacle 30 there is also an O-ring 31 which, after the hollow connecting piece 23 has been pushed in, can seal it from the outside. 5a or 5b, it pushes the bolt 25 against the restoring force of the spring 26 so far into the pressure supply device 1 that the sealing abutment of the section 28 on the O- Ring 29 is lifted and the section 27 of smaller diameter reaches the area of the O-ring 29.
  • a non-sealing position is thus achieved, which is clearly visible in FIG. 5b. In this position, propellant can flow from the channel 21 between the O-ring 29 and the section 27 of smaller diameter of the bolt 25 pass into the axial bore of the connecting piece 23.
  • the propellant can pass further through the channel means 22 into the firing area of the firing device, in which, for example, by actuating a valve means, depending on the actuation of a trigger, a projectile can be pressurized by the propellant, thereby accelerating and projecting the projectile the shooting device can be transported out.
  • the propellant will be present in the gaseous phase at least to such an extent that a sufficiently high pressure can be built up to accelerate the projectile.
  • the channel 21 comprises a section 21a which extends essentially vertically upwards and which can transfer the propellant into the region of the coupling means arranged further upward, so that the propellant can reach the channel means 22 via the connecting piece 23, which is shown in FIG
  • the embodiment shown in FIG. 7 is also arranged somewhat higher than in the embodiment shown in FIG.
  • firing devices instead of a firearm.
  • all devices or devices with which nails or staples or projectiles can emerge from the shooting device at a comparatively high speed should be regarded as the shooting device.
  • Such nails or staples or projectiles are called projectiles in the following.
  • a firing device designed as a firearm is not a gas pressure rifle but, for example, a gas pressure pistol or the like.
  • FIGS. 1 to 5 show three different relationships between the exit speed v 0 in m / s and the number of shots that have already been fired from a firing device.
  • a shot was fired approximately every 5 seconds.
  • the solid curve shows the relationship between the exit speed and the number of shots in a shooting device according to the invention shown in FIGS. 1 to 5. It can be seen relatively clearly that the exit speed remains essentially constant for about 60 shots, which suggests that a relatively constant pressure can be generated in the launch area.
  • the dotted line shows a shot device in which the pressure supply device was arranged in such a way that the containers 8 for propellant were aligned horizontally, so that propellant could only be removed from the liquid phase up to about half the fill level.
  • the result clearly shows that the pressure drops from about 40 shots, so that the exit velocity v 0 drops.
  • Pressure supply device 1 arranged in the firing device so that the removal opening of the container 8 was on the top thereof.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)

Abstract

L'invention concerne un dispositif d'alimentation en fluide sous pression destiné à un dispositif de tir actionné par un gaz sous pression, qui comprend au moins un réservoir (8) pour un agent propulseur, lequel se trouve dans le ou les réservoir(s) (8) au moins partiellement en phase liquide (14), ainsi que des moyens de soutirage (16) servant au soutirage de l'agent propulseur à partir d'une ouverture de soutirage (13) du ou des réservoir(s) (8). Le ou les réservoir(s) (8) et les moyens de soutirage (16) sont, lorsque le dispositif d'alimentation en fluide sous pression (1) est en position d'utilisation, disposés dans ce dernier de telle sorte qu'un soutirage de la phase liquide (14) de l'agent propulseur est possible. L'invention concerne en outre un dispositif de tir pourvu d'un tel dispositif d'alimentation en fluide sous pression.
PCT/EP2002/003284 2001-03-30 2002-03-23 Dispositif de tir actionne par du gaz sous pression et dispositif d'alimentation en fluide sous pression pour un tel dispositif de tir WO2002079710A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02727466A EP1377787B1 (fr) 2001-03-30 2002-03-23 Dispositif de tir actionne par du gaz sous pression et dispositif d'alimentation en fluide sous pression pour un tel dispositif de tir
DE50205195T DE50205195D1 (de) 2001-03-30 2002-03-23 Druckgasbetriebene schusseinrichtung sowie druckversorgungsvorrichtung für eine derartige schusseinrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001116010 DE10116010A1 (de) 2001-03-30 2001-03-30 Druckgasbetribene Schusseinrichtung sowie Druckversorgungsvorrichtung für eine derartige Schusseinrichtung
DE10116010.0 2001-03-30

Publications (1)

Publication Number Publication Date
WO2002079710A1 true WO2002079710A1 (fr) 2002-10-10

Family

ID=7679835

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/003284 WO2002079710A1 (fr) 2001-03-30 2002-03-23 Dispositif de tir actionne par du gaz sous pression et dispositif d'alimentation en fluide sous pression pour un tel dispositif de tir

Country Status (3)

Country Link
EP (1) EP1377787B1 (fr)
DE (2) DE10116010A1 (fr)
WO (1) WO2002079710A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005005912U1 (de) 2005-04-13 2005-06-16 Umarex Sportwaffen Gmbh & Co. Kommanditgesellschaft Druckgasbetriebene Schusswaffe
TWI460389B (zh) * 2012-01-17 2014-11-11 Maruzen Co Ltd 玩具槍及安裝器具
EP2618096B1 (fr) * 2012-01-19 2014-03-26 Maruzen Company Limited Dispositif de fixation pour cartouches de gaz d'une arme-jouet
US8763597B2 (en) 2012-01-26 2014-07-01 Maruzen Company Limited Toy gun and attachment device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521800A1 (de) * 1985-03-12 1986-09-25 Victor Lienz Idl Lauf-wechselsystem fuer eine pistole
US5341790A (en) * 1992-01-27 1994-08-30 Crosman Corporation Gun powered by pressurized gas and/or pressurized air
US5450839A (en) * 1992-09-23 1995-09-19 Nicolaevich; Isakov S. Pneumatic launcher
EP0704668A1 (fr) 1994-09-27 1996-04-03 Industrias El Gamo, S.A. Arme à cartouche de gaz du type révolver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1114121B (de) * 1957-07-29 1961-09-21 Richard Myer Kline Druckgas-Handschusswaffe
DE4243617B4 (de) * 1992-12-22 2005-04-14 Hilti Ag Tragbares, brennkraftbetriebenes Arbeitsgerät, insbesondere Setzgerät

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521800A1 (de) * 1985-03-12 1986-09-25 Victor Lienz Idl Lauf-wechselsystem fuer eine pistole
US5341790A (en) * 1992-01-27 1994-08-30 Crosman Corporation Gun powered by pressurized gas and/or pressurized air
US5450839A (en) * 1992-09-23 1995-09-19 Nicolaevich; Isakov S. Pneumatic launcher
EP0704668A1 (fr) 1994-09-27 1996-04-03 Industrias El Gamo, S.A. Arme à cartouche de gaz du type révolver

Also Published As

Publication number Publication date
EP1377787A1 (fr) 2004-01-07
DE50205195D1 (de) 2006-01-12
DE10116010A1 (de) 2002-10-02
EP1377787B1 (fr) 2005-12-07

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