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EP1491845B1 - Farbkugelgewehr mit luftgesteuerter Zufuhr und Ausstoss - Google Patents

Farbkugelgewehr mit luftgesteuerter Zufuhr und Ausstoss Download PDF

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Publication number
EP1491845B1
EP1491845B1 EP03014367A EP03014367A EP1491845B1 EP 1491845 B1 EP1491845 B1 EP 1491845B1 EP 03014367 A EP03014367 A EP 03014367A EP 03014367 A EP03014367 A EP 03014367A EP 1491845 B1 EP1491845 B1 EP 1491845B1
Authority
EP
European Patent Office
Prior art keywords
flow
air
guiding
paintgun
discharging process
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP03014367A
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English (en)
French (fr)
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EP1491845A1 (de
Inventor
Chih-Sheng Sheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT03014367T priority Critical patent/ATE358267T1/de
Priority to DE60312833T priority patent/DE60312833T2/de
Priority to EP03014367A priority patent/EP1491845B1/de
Publication of EP1491845A1 publication Critical patent/EP1491845A1/de
Application granted granted Critical
Publication of EP1491845B1 publication Critical patent/EP1491845B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F41B11/50—Magazines for compressed-gas guns; Arrangements for feeding or loading projectiles from magazines
    • F41B11/57—Electronic or electric systems for feeding or loading
    • 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
    • F41B11/70—Details not provided for in F41B11/50 or F41B11/60
    • F41B11/72—Valves; Arrangement of valves
    • F41B11/723—Valves; Arrangement of valves for controlling gas pressure for firing the projectile only

Definitions

  • the invention relates to a paintgun with pneumatic feeding and discharging process, and more particularly, to a paintgun which controls the opening and closing of the airflow channel in such a way that the flow-field pressure is changed to complete two-stage feeding and discharging process.
  • a plurality of conventional paintguns (e.g. TW 447697, 443486, 406894, 437941, etc.), as shown in FIGS. 1 and 2, have a trigger assembly 11 above which a barrel assembly 12 is disposed.
  • the barrel assembly 12 consists of an ejector tube 121 and an air chamber tube 122 both of which are in parallel with each other.
  • a bore 13 is installed at the front end of the ejector tube 121 while a feeding tube 14 is fixed at the top thereof.
  • the feeding tube 14 is connected with a loader to supply paintballs B.
  • the air chamber tube 122 is fitted with an air valve 161 and an air valve spring 162 at the front end and with a delivery mechanism 17 at the rear end thereof.
  • a hollow connector 18 is arranged at the bottom near the front end so as to be in connection with a tank 15.
  • a pull rod 19 is disposed within the barrel assembly 12 and the rear end thereof projects from the barrel assembly 12.
  • the pull rod 19 has a firing pin 191 within the air chamber tube 122, and the firing hammer 191 is coupled with the pull rod 19 by means of an insertion bolt 193.
  • the front end of the firing hammer 191 is closed and pressed against the air valve 161 while the rear end thereof accommodates a spring 171 of a delivery mechanism 17 for pushing against the firing hammer 191.
  • the firing hammer 191 is provided with positioning groove 192 at the bottom thereof (see FIG. 3).
  • the movement of the firing hammer 191 can be controlled by an engaging member 111 of the trigger assembly 11 together with the positioning groove 192, thereby reaching the firing effect.
  • the contact surface of the engaging member 111 and the positioning groove 192 will be rubbed after discharge of the paintgun each time.
  • the engaging effect of the engaging member 111 will be lowered gradually such that it's easy to cause a firing by mistake.
  • the safety is much threatened.
  • the components of the conventional paintgun are numerous, and the connection thereof is complicated so that it's not easy for assembly and malfunction.
  • the pull rod 19 has to be pulled backward in position in prior to discharge. During the discharge, it moves to and fro such that the rear member 194 projecting from the barrel easily injure the human body. It's much dangerous.
  • the bolt 193 is easiy broken off due to the side shear force when different axial action forces are exerted on the firing hammer 191 and the pull rod 19 during to-and-fro movement.
  • the air valve 161 is pushed open by the firing hammer 191, thereby releasing air pressure part of which flows into the air chamber tube 122 to return the firing hammer 191 in place and another part of which flows through a channel 123 and enters into the ejector tube 121 to discharge the paintball B.
  • the air pressure used to discharge the paintball B has a curved and dispersed flow direction, thereby resulting in air turbulence. Therefore, the reduced air pressure can't bring the paintball B forward for discharge.
  • the tank 15 has to be kept in a higher pressure.
  • the use safety is much ensured and the malfunction thereof is considerably reduced.
  • the invention has advantages of smooth feeding of air flow.
  • the paintball can be discharged by thrust of air flow even with smaller air pressure.
  • the paintgun in accordance with the invention mainly includes a trigger assembly 20, a barrel assembly 30 and a pneumatic delivery mechanism 60.
  • the trigger assembly 20 is used to actuate the firing element of paintballs B.
  • the barrel assembly 30 is fitted above the trigger assembly 20.
  • the barrel assembly 30 can be formed in one piece or composed of an upper and a lower barrel 30a, 30b, as shown in FIG. 5(a), and both of which are assembled, as shown in FIG. 5(b), by fastening elements 32 such as screws or the like.
  • the length of the lower barrel 30b is adjustable to different applications and not required to correspond to that of the upper barrel 30a.
  • a bore 40 is provided at the front end thereof.
  • a paintball-feeding tube 50 is disposed above the bore 40 for connecting with a tank 51 to supply paintballs B.
  • the pneumatic delivery mechanism 60 is installed within the barrel assembly 30 und used to push and discharge the paintballs.
  • the main configuration of the invention lies in the principle and technique of the pneumatic delivery mechanism 60. Referring to FIG. 6, the pneumatic delivery mechanism 60 includes a flow-guiding body 61, a flow-guiding movable body 62 and a delivery tube 64.
  • the flow-guiding body 61 is positioned within the upper barrel 30a.
  • the front part of the flow-guiding body 61 is constructed as a tube 611 having a through hole 616 inclinedly extended at the top wall.
  • the flow-guiding body 61 has an axially extending hole with a smaller diameter at the front part and a larger diameter at the rear part while a tail stopper 67 is plugged into the rear part of the flow-guiding body 61, thereby forming a major air channel 612 at the front part and a flow-guiding chamber 613 at the rear part thereof.
  • the flow-guiding chamber 613 includes an input port 614 which is in connection with upper and lower inlets 35a, 35b of the upper and lower barrels 30a, 30b.
  • the tail stopper 67 has an outlet port 671 extending from axial direction to radial direction at the inner end thereof.
  • the outlet port 671 communicates with an outlet channel 615 in the larger part of the flow-guiding body 61 while the outlet channel 615 is further connected to an upper and a lower outlet 33a, 33b of the upper and the lower barrels 30a, 30b.
  • a stopper 23 is provided to control the opening and closing of the air flow channel.
  • a connection channel 33c is disposed beside the lower outlet 33b and connected to a minor air channel 34 at the outer side of the bottom of the tube 611. The movement of the stopper 23 is controlled by the trigger assembly 20.
  • the flow-guiding piston 62 is disposed within the flow-guiding chamber 613 with a slimmer front part and a wider rear part.
  • An air piston 621 at the front end of the flow-guiding piston 62 is forced against the major air channel 612 while a separating body 622 at the rear end of the flow-guiding piston 62 is inserted into the internal wall of the flow-guiding chamber 613 such that the flow-guiding chamber 613 is divided by the separating body 622 into a front and a rear air pressure chamber 613a, 613b with different pressure area.
  • a small through hole 623 is interposed between the front and the rear air pressure chambers 613a, 613b.
  • the separating body 622 can be constructed as a valve unit, as shown in FIGS. 6 through 11. Instead of the valve unit, the separating body 622 can be constructed as a membrane unit, as shown in FIGS. 12 and 13. Both types of the separating body 622 are movable within the flow-guiding chamber 613 for changing the air pressure.
  • the delivery tube 64 is placed around the tube 611 at the front end of the flow-guiding body 61.
  • a return spring 65 is disposed around the front part of the delivery tube 64.
  • the stopper 23 is used to control the opening or closing of air flow channel, thereby leading to a pressure difference between the front and rear air pressure chambers 613a, 613b of the flow-guiding piston 62.
  • the delivery tube 64 is shifted forward by means that a small amount of air flow is fed into the minor air channel 34 so as to push a paintball B a little forward. Thereafter, the paintball B is discharged by means of thrust of air flow into the major air channel 612.
  • the delivery tube 64 has a flange 641 at the rear end thereof against which one end of the return spring 65 is fixed. Moreover, the upper barrel 30a is provided with a corresponding flange 31 against which the other end of the return spring 65 is pressed. An O-ring 642 is disposed around the outer circumference of the rear end of the delivery tube 64.
  • the pneumatic delivery mechanism 60 of the invention can be axially inserted into the upper barrel 30a, so that the pneumatic delivery mechanism 60 is easily taken out for maintenance.
  • the flow-guiding body 61 includes an arched groove 68 at one end adjacent to the tail of the paintgun while the upper barrel 30a has a transverse through hole 36 at a corresponding position.
  • the positioning pin 37 engages into the arched groove 68 so that the pneumatic delivery mechanism 60 is fixed in place, as shown in FIG. 6.
  • the barrel assembly 30 of the invention can be constructed in a piece while it is scooped out with the above-mentioned inlet and outlet channels.
  • the two-part barrel assembly 30, as shown in FIGS. 5(a) and 5(b) is more convenient for fabrication.
  • the stopper 23 closes the passage of the minor air channel 34 while the air pressure source 70 of high pressure gas enters through the upper and lower inlets 35a, 35b and the input port 614 into the flow-guiding chamber 613. Then, it passes through the small through hole 623 into the rear air pressure chamber 613b.
  • the pressure area of the rear air pressure chamber 613b upon the valve body 622 is much greater than the closing area 63 of the air valve 621. Therefore, the flow-guiding piston 62 is shifted forward. Meanwhile, the air valve 621 is pressed against the passage of the major air channel 612, thereby blocking the air pressure released from the major air channel 612.
  • the stopper 23 is controlled by the trigger assembly 20 to be moved downward such that the passage of the minor air channel 34 is opened.
  • the high pressure gas within the rear air pressure chamber 613b may enter through the outlet port 671, the output port 615, the upper and lower outlets 33a, 33b, the connection channel 33c and the minor air channel 34 into the rear side (the area marked with A) of the delivery tube 64 of the upper barrel 30a.
  • this air pressure can push the delivery tube 64 forward, thereby bringing the paintball B forward which falls from the paintball-feeding tube 50.
  • the volumen A of the pushing surface of the delivery tube 64 is smaller than the rear air pressure chamber 613b.
  • the air flow is continuously fed with slight amount through the small through hole 623 into the rear air pressure chamber 613b. Since the pushing force on the valve body 622 is still greater than the force on the closing area 63 of the air valve 621, the flow-guiding piston 62 won't be moved. Furthermore, referring to FIG. 8, when the delivery tube 64 is shifted forward to gradually arrive in the minor air channel 34 of the tube 611, the air flow, as shown in FIG. 9, is led through the through hole 616 into the tube 611. Since the small through hole 623 has too small diameter to supply sufficient air required by the rear air pressure chamber 613b, the gas pressure of flow field is changed. Here, the pressure within the rear air pressure chamber 613b is lowered.
  • the pressure within the front air pressure chamber 613a is changed to be greater than that of the rear air pressure chamber 613b so that the flow-guiding piston 62, as shown in FIG. 9, is shifted backward such that the air valve 621, as shown in FIG. 9, moves backward and departs from the input port of the major air channel 612. Therefore, a great amount of gas thrusts past major air channel 612 into the delivery tube 64, thereby discharging the paintball B.
  • the stopper 23 shifts upward to renewedly close the passage of air flow of the minor air channel 34.
  • the flow-field pressure is changed and the rear air pressure chamber 613b regains the pressure.
  • the top end C opposite to the through hole 616 creates a draw-off effect of the fluid mechanics. Therefore, the gas in the area D of the upper barrel 30a is drawn off and shown in half-vacuum state to reduce the resistance of the return spring 65 back to the delivery tube 64.
  • the delivery tube 64 inwardly returns and the pressure area of the rear air pressure chamber 613b upon the valve body 622 is much greater than the closing area 63 of the air valve 621 in the front air pressure chamber 613a. Accordingly, the initial state in FIG. 6 is regained.
  • the stopper 23 includes an air-returning hole 231 via which the remaining gas can be exhausted from the connection channel 33c to an exhaust hole 251 at the bottom of the stopper 23. Accordingly, the restoration thereof is more rapid and smooth. Moreover, when the stopper 23 is moved downward to open the lower outlet 33b, the exhaust hole 251 is closed by the bottom surface of the stopper 23 (see FIG. 11(c)). Therefore, it's assured that the gas injected from the lower outlet 33b won't be exhaused by the air-returning hole 231, but led through the connection channel 33c into the minor air channel 34.
  • the stopper 23 of the invention can be configured as a central shaft or the like of a control element 25 of an electromagnetic valve or an electromagnet.
  • the electromagnetic valve is used as control element 25.
  • the trigger assembly 20 includes a trigger 21, firing circuit 22 and batteries 24. In pulling the trigger 21, the switch of the firing circuit 22 is actuated, thereby shifting the stopper 23 of the control element 25 to achieve the control effect of the passage.
  • the trigger assembly 20 and the electromagnetic valve are conventional elements so that no further descriptions are given hereinafter.
  • the pneumatic delivery mechanism 60 of the invention makes use of the change of the flow-field pressure.
  • a minor air flow is used to push the delivery tube 64 first so as to bring the paintball B forward. Then, the discharge is performed by the thrusting air flow.
  • the two-stage air delivery system achieves the following effects:

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  • General Engineering & Computer Science (AREA)
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Claims (10)

  1. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang umfassend:
    a) eine Abzugsvorrichtung, die zur Betätigung des Abfeuerungselements für Farbkugeln verwendet wird;
    b) eine über der Abzugsvorrichtung angepasste Laufvorrichtung, einen Lauf, der an dem vorderen Ende derselben vorgesehen ist, ein Farbkugelzufuhrrohr, das über dem Lauf eingerichtet ist; und
    c) ein in der Laufvorrichtung angebrachter luftgesteuerter Zuführungsmechanismus, umfassend;
    i) einen in dem oberen Lauf angeordneten Strömungsführungskörper, wobei der vordere Teil des Strömungsführungskörpers als Rohr mit einem Durchloch konstruiert ist, das sich schräg an der oberen Wand erstreckt, wobei der Strömungsführungskörper ein sich axial ausdehnendes Loch mit einem kleineren Durchmesser an dem vorderen Teil und einem größeren Durchmesser an dem hinteren Teil aufweist, während ein Endstopper in den hinteren Teil des Strömungsführungskörpers gesteckt ist, wodurch ein Hauptluftkanal an dem vorderen Teil und eine Strömungsführungskammer an dem hinteren Teil desselben gebildet wird, wobei die Strömungsführungskammer eine Einlassöffnung hat, die in Verbindung mit oberen und unteren Einlässen des oberen und des unteren Laufs steht, wobei der Endstopper eine Auslassöffnung hat, die sich aus axialer Richtung nach radialer Richtung an dem inneren Ende desselben ausdehnt, wobei die Auslassöffnung mit einem Auslasskanal in dem größeren Teil des Strömungsführungskörpers in Verbindung steht, während der Auslasskanal weiterhin angeschlossen ist an einen oberen und einen unteren Auslass des oberen und des unteren Laufs, wobei ein Stopper vorgesehen ist, um das Öffnen und Schließen des Luftströmungskanals zu steuern, wobei ein Verbindungskanal neben dem unteren Auslass angeordnet und mit einem Nebenluftkanal an der äußeren Seite des unteren Teils des Rohrs verbunden ist, wobei die Bewegung des Stoppers durch die Abzugsvorrichtung gesteuert wird;
    ii) einen beweglichen Strömungsführungskörper, der in der Strömungsführungskammer mit einem schlankeren vorderen Teil und einem breiteren hinteren Teil eingerichtet ist, wobei ein Luftkolben an dem vorderen Ende des Strömungsführungskolbens gegen den Hauptluftkanal gedrängt wird, während ein Trennkörper an dem hinteren Ende des Strömungsführungskolbens in die innere Wand der Strömungsführungskammer so eingeführt wird, dass die Strömungsführungskammer durch den Trennkörper geteilt ist in eine vordere und eine hintere Luftdruckkammer mit unterschiedlichem Druckbereich, wobei ein kleines Durchloch zwischen der vorderen und der hinteren Luftdruckdruckkammer angelegt ist;
    und
    iii) ein Zuführungsrohr, das um das Rohr an dem vorderen Ende des Strömungsführungskörpers platziert ist, wobei eine Rückholfeder um den vorderen Teil des Zuführungsrohrs angeordnet ist;
    wobei der Stopper eingesetzt wird, um das Öffnen oder Schließen des Luftströmungskanals zu steuern, wodurch ein Druckunterschied zwischen der vorderen und hinteren Luftdruckkammer des Strömungsführungskolbens herbeigeführt wird, und das Zuführungsrohr dadurch vorwärts verlagert wird, dass eine kleine Menge der Luftströmung in den Nebenluftkanal eingeleitet wird, um eine Farbkugel eine bisschen nach vorne zu drücken; danach wird die Farbkugel mittels einer Schubkraft eines Luftstroms in den Hauptluftkanal ausgestoßen.
  2. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 1, wobei sich die Laufvorrichtung zusammensetzt aus einem oberen und einem unteren Lauf und beide mittels Befestigungselementen zusammengefügt sind.
  3. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 2, wobei der obere und der untere Lauf jeweils einen oberen und einen unteren Einlass und einen oberen und einen unteren Auslass haben.
  4. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 1, wobei die Laufvorrichtung in einem Stück geformt ist.
  5. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 1, wobei das Zuführungsrohr einen Flansch an seinem hinteren Ende aufweist, an welchem ein Ende der Rückholfeder befestigt ist, und wobei die Laufvorrichtung mit einem entsprechenden Flansch ausgestattet ist, gegen welchen das andere Ende der Rückholfeder gepresst wird, und wobei ein O-Ring um den Außenumfang des hinteren Endes des Zuführungsrohrs angelegt ist.
  6. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 1, wobei der Trennkörper ein Kolben ist.
  7. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 1, wobei der Trennkörper eine Membran ist.
  8. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 1, wobei die Abzugsvorrichtung einen Abzug, eine Abfeuerungsschaltung, Batterien und Steuerungselemente enthält.
  9. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 8, wobei das Steuerungselement einen Stopper enthält.
  10. Farbkugelgewehr mit luftgesteuertem Zufuhr- und Ausstoßvorgang nach Anspruch 8, wobei die Luftdruckquelle von einem Luftdrucktank gespeist wird.
EP03014367A 2003-06-26 2003-06-26 Farbkugelgewehr mit luftgesteuerter Zufuhr und Ausstoss Expired - Lifetime EP1491845B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT03014367T ATE358267T1 (de) 2003-06-26 2003-06-26 Farbkugelgewehr mit luftgesteuerter zufuhr und ausstoss
DE60312833T DE60312833T2 (de) 2003-06-26 2003-06-26 Farbkugelgewehr mit luftgesteuerter Zufuhr und Ausstoss
EP03014367A EP1491845B1 (de) 2003-06-26 2003-06-26 Farbkugelgewehr mit luftgesteuerter Zufuhr und Ausstoss

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03014367A EP1491845B1 (de) 2003-06-26 2003-06-26 Farbkugelgewehr mit luftgesteuerter Zufuhr und Ausstoss

Publications (2)

Publication Number Publication Date
EP1491845A1 EP1491845A1 (de) 2004-12-29
EP1491845B1 true EP1491845B1 (de) 2007-03-28

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EP03014367A Expired - Lifetime EP1491845B1 (de) 2003-06-26 2003-06-26 Farbkugelgewehr mit luftgesteuerter Zufuhr und Ausstoss

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EP (1) EP1491845B1 (de)
AT (1) ATE358267T1 (de)
DE (1) DE60312833T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113302447B (zh) * 2018-10-24 2023-12-01 拜尔纳技术股份有限公司 低致命设备的气动装置
CN119701545B (zh) * 2025-02-27 2025-05-13 山西省安装集团股份有限公司 一种用于锅炉尾气的环保除尘装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69837660T2 (de) * 1997-06-27 2008-01-10 Brass Eagle Inc., Rogers Elektronische zweidruck-luftdruckwaffe für paintbullgeschosse
US6520172B2 (en) * 2000-11-20 2003-02-18 Zap Paintball Inc. Electrically operated paintball gun

Also Published As

Publication number Publication date
DE60312833D1 (de) 2007-05-10
ATE358267T1 (de) 2007-04-15
EP1491845A1 (de) 2004-12-29
DE60312833T2 (de) 2007-12-13

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