EP3320294B1 - Dispositif d'éjection de douilles - Google Patents

Dispositif d'éjection de douilles Download PDF

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Publication number
EP3320294B1
EP3320294B1 EP16736094.0A EP16736094A EP3320294B1 EP 3320294 B1 EP3320294 B1 EP 3320294B1 EP 16736094 A EP16736094 A EP 16736094A EP 3320294 B1 EP3320294 B1 EP 3320294B1
Authority
EP
European Patent Office
Prior art keywords
weapon
casing
ejector
breech
sleeve
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.)
Active
Application number
EP16736094.0A
Other languages
German (de)
English (en)
Other versions
EP3320294A1 (fr
Inventor
Hubert Schneider
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.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP3320294A1 publication Critical patent/EP3320294A1/fr
Application granted granted Critical
Publication of EP3320294B1 publication Critical patent/EP3320294B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A15/00—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun
    • F41A15/12—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun for bolt-action guns
    • F41A15/16—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun for bolt-action guns the ejector being mounted on the breech housing or frame

Definitions

  • the invention relates to a case ejector device with a case ejector, i.e. a device for ejecting an ammunition case or a misfire from a weapon.
  • the ammunition is fed in with a linear feed through a locking drive which brings the ammunition / cartridge into a chamber of the weapon barrel.
  • the breech drive of such a weapon is preferably linear as well as straight and has downtimes of the breech.
  • the shot is fired in the front position (front standstill time) and the weapon is loaded in the rear position (rear standstill time).
  • an ammunition / cartridge to be fired is presented to the breech when loading the weapon.
  • This ammunition is then pushed through the breech into the cartridge chamber of a gun barrel, and the breech is locked with the gun barrel.
  • the weapon is unloaded, for which purpose the empty case or, in the event of a failure, the case is pulled out of the cartridge chamber using a case puller when the breech is retracted.
  • Such a shutter drive is disclosed, for example, by DE 10 2009 056 735 A1 .
  • a cartridge case puller for automatic firearms is disclosed in US Pat DE 30 38 769 C2 . After a projectile has been fired, the cartridge case is pulled out of the chamber through the breech during the backward movement of the breech. Also the DE 10 2007 034 672 A1 describes a lock and a pull-out claw that engages a cartridge base edge.
  • the sleeves or an ignition failure are stored after the pull-out, for example, in a rotor or an ammunition belt link or the like. Then the case or the failed ignition is transported out of the weapon.
  • the object of the invention is therefore to provide a case ejector for a small-sized weapon which also enables good reproducibility of the ejection.
  • the invention is based on the idea of saving installation space in that the sleeve ejector is integrated on the closure, preferably on / in the chamber of the closure (hereinafter referred to as the closure head).
  • the pulling out of the sleeve / the ignition failure and the pushing out are combined with one another in such a way that the two processes "pulling out” and "pushing out” take place in direct succession
  • DE 10 2013 003435 A1 , US 2011/168009 A1 and U.S. 4,899,477 A disclose guns with case ejectors.
  • a sleeve extractor is preferably attached to the front end of the bolt head.
  • a case ejector which is stationary in the case of a weapon housing has the task of ejecting the case or the failed ignition after the sleeve / the failure has been pulled out of the weapon, preferably laterally. These can then be collected in a collecting container integrated in the discharge path. Alternatives are also possible.
  • the locking head has a groove. This is integrated over the entire length of the locking head.
  • the surface of the case ejector which is fixed to the weapon, engages in this groove, so that the case ejector is integrated in it in a sliding manner.
  • the diameter of the surface of the sleeve ejector and the groove are matched to one another. The face of this surface forms the point of application of the sleeve ejector on the sleeve (will be explained later).
  • the groove is integrated in the bolt head in such a way that the case extractor and the case ejector cannot interfere or hinder each other in their functions.
  • the groove in the locking head is therefore preferred integrated in relation to the arrangement of the sleeve extractor on the bolt head.
  • the case ejector When the bolt head is in its front position, the case ejector is located at the rear end in the groove. If the closure or the closure head is guided backwards into its rear position, the closure head slides with its groove along the stationary sleeve ejector. As soon as the front end of the closure head has reached the sleeve ejector on its front surface, ie on its front side, the sleeve ejector engages the sleeve base and pushes the sleeve in a certain position, preferably laterally away from the closure or the closure head.
  • the shape of the sleeve ejector was optimized in a continuation of the invention.
  • the surface of the sleeve ejector has at least one recess, as a result of which a step is formed on the end face of the sleeve ejector.
  • the recess is determined by the diameter of the sleeve.
  • the surface engaging the case base is now no longer the front face of the case ejector, but the rear surface of the recess or step.
  • this recess or step forms a lateral holder for the sleeve when the closure with the sleeve is moved backwards.
  • the length of the graduation can be freely selected.
  • the case ejector thus determines the ejection characteristics of the case. Due to the adapted shape, the ejection position within the weapon and thus with respect to the bolt head is precisely defined.
  • the case is preferably ejected when the drive and the closure movement slow down within the "unloading" shot cycle.
  • a slight incline is preferably provided, which supports ejection by levering the sleeve away from the closure head.
  • the lock is in its rear position, in the tray.
  • the last levering part of the case ejector gives the case a sufficiently large amount of energy so that the case is ejected from the weapon without any additional measure / force.
  • a case ejector device with a case ejector for ejecting a case or a failure to ignite for a weapon with a breech block with breech head is proposed.
  • the ammunition is fed to a weapon barrel of the weapon through the breech and the case or the ignition failure is pulled out of the weapon barrel.
  • the new case ejection device is characterized by the fact that there is now a groove in the bolt head into which a case ejector that is stationary in the weapon housing engages.
  • the case ejector which is stationary in the weapon housing, slides within the groove when the breech is returned and thereby engages the case base of the case in order to detach it from the breech and to eject it when the breech is released or when the breech is released.
  • a closure head of a closure 2 In the Figs. 1-3 is marked with 1 a closure head of a closure 2.
  • the bolt head 1 and also the bolt 2 are mounted in a weapon housing 22 and are guided in this.
  • a sleeve extractor 3 is tied into the front end of the bolt head 1, preferably laterally, on the right as seen in the firing direction.
  • the sleeve extractor 3 preferably has a semicircular flat shape 3.1. This makes an optimal attack on an in Fig. 4 , 5 Schematically illustrated sleeve bottom 10 of a sleeve 11 guaranteed.
  • the sleeve extractor 3 engages a groove 10.1 in the sleeve base 10 for pulling out the sleeve 11 in a known manner.
  • the sleeve extractor 3 is preferably resiliently mounted in the closure 2 or on the closure head 1.
  • a firing pin 4 placed in the center of the bolt head 1 is only indicated here.
  • a groove 5 is made laterally in the bolt head 1, on the left as seen in the firing direction and opposite the case extractor 3. This groove 5 preferably extends over the entire length of the bolt head 1.
  • a weapon-fixed or with the weapon housing is attached 22 permanently connected sleeve ejector 6 out. This protrudes laterally into the groove 5 with its nose or its surface 6.1.
  • Fig. 3 In a top view, the integration of the case ejector 6 on the weapon side is shown, the breech 2 still being in its locked (front) position. The ejection direction of the sleeve 11, not shown in detail here, is marked with A. Fig. 3 also shows the integration of the case ejector with the case ejector 6 and the case extractor 3 in a weapon 20, which is only partially shown the firing of the shot is locked with the breech 2. There is no provision for the gun barrels 21, 21 ', 21 ′′ to be changed after each shot. Rather, the barrel is changed if, for example, the weapon barrel 21 exceeds a specified temperature (barrel wear) or a projectile is detected (ignition failure; no return of the weapon because the shot is missing), etc.
  • a specified temperature barrel wear
  • a projectile is detected
  • the representation selected here shows the so-called transport position, in which none of the weapon barrels 21, 21 ', 21 "is in front of the breech and this is also not cocked. This increases the safety of transport.
  • the sleeve ejector comprises a surface 6.1 which engages in the groove 5.
  • the diameter or the height / thickness of the surface 6.1 and the surface 6.1 itself are matched to the width and depth of the groove 5.
  • this surface 6.1 has a recess 6.2, which in turn is matched to the diameter of the sleeve 11.
  • the recess 6.2 forms a lateral surface 6.3 on the sleeve ejector 6, which serves to hold the sleeve 11 securely before the actual ejection during the locking movement towards the rear.
  • a slope 6.4 then supports the ejection of the sleeve 11.
  • the procedure for ejecting the case can be described as follows:
  • the bolt head 1 takes ammunition (not shown in detail) with it in its forward movement and introduces it into the cartridge chamber of a weapon (not shown in detail).
  • the bolt head 1 is guided along the weapon-fixed (stationary) case ejector 6 and takes the ammunition with it.
  • the sleeve ejector 6 is located at the rear stop of the groove 5 ( Fig. 3 ) when the breech 2 is in its forward position with the weapon barrel 21 is locked.
  • the bolt 2 and bolt head 1 are moved backwards and the sleeve (the failure to ignite) is brought out of the weapon barrel 21 by the sleeve extractor 3 on the bolt head 1 in a known manner.
  • the locking head 1 slides back, it slides with its groove 5 along the recess 6.1, whereby the sleeve 11 also reaches this area of the sleeve ejector 6 ( Fig. 4 ).
  • the lateral surface 6.3 of the sleeve ejector 6.1 encloses the sleeve 11 on one side and slightly flat 6.3, corresponding to the thickness of the sleeve ejector 6.
  • Fig. 5 now engages the rear bevel 6.4 on the case base 10 and pushes the case 11 in the opposite direction A, ie to the right as seen in the firing direction.
  • the sleeve 11 is tilted away so that the sleeve extractor 3 slides out of the groove 10.1.
  • a new cartridge can be presented to the bolt head 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (13)

  1. Arme (20) comprenant un boîtier d'arme (22) et une tête de culasse (1) d'une culasse (2), laquelle tête de culasse est logée dans le boîtier d'arme (22) et permet d'amener une munition à un canon (22) de l'arme (20) et de retirer la douille (11) ou le raté d'allumage du canon (22) de l'arme, et une rainure (5) ménagée dans la tête de culasse (1), un dispositif d'éjection de douille pourvu d'un éjecteur de douille (6) destiné à éjecter une douille (11), pourvue d'un culot de douille (10), ou un raté d'allumage, l'éjecteur de douille (6) fixé au boîtier d'arme coulissant à l'intérieur de la rainure (5) lors du recul de la culasse (2) de sorte que l'éjecteur de douille (6) peut être appliqué sur le culot (10) de douille (11) et éjecte la douille (11), caractérisé en ce que l'éjecteur de douille est immobile et s'engage latéralement dans la rainure de la tête de culasse (1).
  2. Arme (20) selon la revendication 1, caractérisée en ce que la rainure (5) est intégrée dans la tête de culasse (1) sur toute la longueur de la tête de culasse (1).
  3. Arme (20) selon la revendication 1 ou 2, caractérisée en ce que l'éjecteur de douille (6) présente une surface (6.1) qui s'engage dans la rainure (5) .
  4. Arme (20) selon la revendication 3, caractérisée en ce que le diamètre de la surface (6.1) et la largeur et la profondeur de la rainure (5) sont adaptés entre eux.
  5. Arme selon la revendication 3 ou 4, caractérisée en ce que la surface (6.1) comporte un évidement (6.2) en forme de gradin.
  6. Arme (20) selon la revendication 5, caractérisée en ce que l'évidement (6.2) est adapté au diamètre de la douille (11).
  7. Arme (20) selon l'une des revendications 1 à 6, caractérisée en ce que l'éjecteur de douille (6) présente une surface latérale intégrée (6.3) qui sert à maintenir la douille (11) au moins d'un côté.
  8. Arme (20) selon la revendication 5 ou 6, caractérisée en ce qu'un biseau (6.4) est intégré dans la transition vers la surface arrière de l'évidement (6.2).
  9. Arme (20) selon l'une des revendications 1 à 8, caractérisée par un extracteur de douille (3) qui est monté élastiquement sur la culasse (2) et qui s'engage dans une rainure (10.1) du culot de douille (10) pour extraire la douille (11) du canon (22) de l'arme.
  10. Arme (20) selon la revendication 9, caractérisée en ce que l'extracteur de douille (3) présente une surface semi-circulaire (3.1) qui s'engage dans la rainure (10.1) du culot de douille (10).
  11. Arme (20) selon la revendication 9 ou 10, caractérisée en ce que l'extracteur de douille (3) est disposé en face de la rainure (5) au niveau de la culasse (1).
  12. Arme (20) selon l'une des revendications 9 à 11, caractérisée en ce que le biseau (6.4) favorise l'éjection de la douille ou du raté d'allumage de la tête de culasse (1) par effet de levier.
  13. Arme (20) selon l'une des revendications 1 à 12, caractérisée par un récipient collecteur intégré dans le chemin d'éjection.
EP16736094.0A 2015-07-10 2016-07-05 Dispositif d'éjection de douilles Active EP3320294B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015008797.5A DE102015008797A1 (de) 2015-07-10 2015-07-10 Hülsenauswurfvorrichtung
PCT/EP2016/065853 WO2017009112A1 (fr) 2015-07-10 2016-07-05 Dispositif d'éjection de douilles

Publications (2)

Publication Number Publication Date
EP3320294A1 EP3320294A1 (fr) 2018-05-16
EP3320294B1 true EP3320294B1 (fr) 2021-03-10

Family

ID=56368957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16736094.0A Active EP3320294B1 (fr) 2015-07-10 2016-07-05 Dispositif d'éjection de douilles

Country Status (7)

Country Link
US (1) US10228203B2 (fr)
EP (1) EP3320294B1 (fr)
KR (1) KR102431429B1 (fr)
CN (1) CN107850412B (fr)
CA (1) CA2991543C (fr)
DE (1) DE102015008797A1 (fr)
WO (1) WO2017009112A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113834378A (zh) * 2020-06-23 2021-12-24 李永良 一种用于玩具枪的模拟真枪自动抛壳机构和自动玩具枪
CN117029566B (zh) * 2023-08-23 2025-11-25 重庆建设工业(集团)有限责任公司 一种弹底窝结构及其加工方法

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Also Published As

Publication number Publication date
DE102015008797A1 (de) 2017-01-12
KR20180034421A (ko) 2018-04-04
KR102431429B1 (ko) 2022-08-10
CN107850412A (zh) 2018-03-27
US20180149439A1 (en) 2018-05-31
CA2991543C (fr) 2023-03-14
EP3320294A1 (fr) 2018-05-16
CA2991543A1 (fr) 2017-01-19
CN107850412B (zh) 2020-10-02
WO2017009112A1 (fr) 2017-01-19
US10228203B2 (en) 2019-03-12

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