CN111256526A - Telescopic tube type bullet supply guide mechanism and guide method - Google Patents

Telescopic tube type bullet supply guide mechanism and guide method Download PDF

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Publication number
CN111256526A
CN111256526A CN202010198823.5A CN202010198823A CN111256526A CN 111256526 A CN111256526 A CN 111256526A CN 202010198823 A CN202010198823 A CN 202010198823A CN 111256526 A CN111256526 A CN 111256526A
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China
Prior art keywords
bullet
guide
chamber
guide tube
tube
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CN202010198823.5A
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Chinese (zh)
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CN111256526B (en
Inventor
胡永勇
唐成刚
黄宜民
龚会
沈潇
武旭飞
王太平
彭璐
朱应秋
赵宏发
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Chongqing Jianshe Industry Group Co Ltd
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Chongqing Jianshe Industry Group Co Ltd
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Publication of CN111256526A publication Critical patent/CN111256526A/en
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    • 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
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/54—Cartridge guides, stops or positioners, e.g. for cartridge extraction
    • F41A9/55—Fixed or movable guiding means, mounted on, or near, the cartridge chamber

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

Abstract

The invention provides a telescopic tube type bullet supply guide mechanism which is arranged at the tail end of a barrel part, the bullet supply guide mechanism comprises a guide tube and a guide tube spring, the barrel part comprises an outer barrel and a chamber, the middle part of the chamber is provided with a limit surface, the tail part is provided with a chamber feed inlet guide inclined surface for correcting a bullet, the guide tube and the guide tube spring are both sleeved on the outer peripheral surface of the chamber, the guide tube is arranged at the tail part of the chamber, one end of the guide tube, far away from the chamber, is horn-shaped to form a horn mouth of the guide tube, the guide tube spring is arranged between the guide tube and the chamber limit surface, two ends of the guide tube and the limit surface of the chamber are respectively butted against, the tail part of the outer barrel is provided with the limit mechanism for axially limiting the guide tube, the invention also provides a telescopic tube type bullet supply guide method, the invention realizes reliable guide to a shotgun bullet or other bullet with a bullet head close to the chamber size during bullet supply, the probability of bullet ejection faults can be obviously reduced, the normal locking and unlocking of the gun bolt are not affected, and the smooth bullet supply process is guaranteed.

Description

Telescopic tube type bullet supply guide mechanism and guide method
Technical Field
The invention relates to the technical field of firearms, in particular to a telescopic tube type ammunition feed guide mechanism and a guide method.
Background
For a conventional firearm, the distance L1 and L2 between the magazine and barrel are structurally limited (as shown in fig. 1) due to overall gun weight and length requirements, and this arrangement of ammunition feed is not substantially problematic for conventional ammunition (tip ammunition, as shown in fig. 2), but may cause ejection failure (as shown in fig. 5) for shotgun ammunition or other ammunition having a head that is close to the chamber size (as shown in fig. 4).
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a telescopic tube type ammunition feeding guide mechanism and a guide method, so that the ammunition feeding process is smoother, and the probability of ammunition feeding faults is greatly reduced.
The invention relates to a telescopic tube type bullet supply guide mechanism which is arranged at the tail end of a barrel part, wherein the bullet supply guide mechanism comprises a guide tube and a guide tube spring, the barrel part comprises an outer barrel and a bullet chamber fixedly arranged in the outer barrel, the middle part of the bullet chamber is provided with a limiting surface, the tail part of the bullet chamber is provided with a bullet chamber bullet inlet guide inclined surface used for correcting a bullet, the guide tube and the guide tube spring are sleeved on the outer peripheral surface of the bullet chamber, the guide tube is arranged at the tail part of the bullet chamber, one end of the guide tube, far away from the bullet chamber, is horn-shaped to form a horn-shaped opening of the guide tube, the guide tube spring is arranged between the guide tube and the bullet chamber limiting surface, two ends of the guide tube are respectively abutted against the limiting surfaces of the guide tube and the barrel, and the tail part of the outer barrel is.
Furthermore, the inner diameter of the bell mouth of the guide pipe is larger than the outer diameter of the guide inclined plane of the bullet inlet of the bullet chamber. Making the introduction of the cartridge easier.
Further, the outer barrel and the cartridge chamber are fixedly connected in a combined mode of a connecting pin and tight fit.
Further, the outer barrel and the cartridge chamber are fixedly connected by threads.
Furthermore, the limiting mechanism is a connecting screw or a limiting pin.
The invention also provides a telescopic tube type bullet supply guiding method, which adopts the telescopic tube type bullet supply guiding mechanism to guide bullets and comprises the following steps:
step 1, the bolt is re-advanced, and the bullet in the bullet-pushing box firstly enters a guide pipe;
step 2, the bullet continues to move forwards after being guided by the bell mouth of the guide pipe, and the head of the bullet is in contact with the bullet inlet guide inclined plane of the bullet chamber;
step 3, under the combined action of the guide pipe and the bullet inlet guide inclined plane of the bullet chamber, the bullet is calibrated;
and 4, continuing to advance the gun, simultaneously pressing the guide tube to compress the guide tube spring, and completely entering the cartridge chamber by the cartridge when the guide tube spring is completely compressed to complete cartridge guiding.
The invention has the beneficial effects that:
1. the invention sets up a bullet guide tube and guide tube spring at the tail end of the barrel, the guide tube is telescopic under the spring force of the guide tube spring, when supplying bullet, the bullet is first regulated by the guide tube and then enters the chamber, after entering the chamber, the bolt machine completely presses down the guide tube, and then completes the locking action;
2. one end of the guide tube, which is far away from the cartridge chamber, is designed into a horn shape to form a horn opening of the guide tube, the inner diameter of the horn opening is obviously larger than a guide inclined plane of the cartridge chamber cartridge inlet, and the bullet is easier to be guided in;
3. the bullet supply guide mechanism can be compressed by a gun bolt after the bullet enters the chamber, and the normal locking and unlocking of the gun are not influenced.
4. The invention can reliably guide the hunting bullet or other bullets with the bullet heads close to the chamber size during bullet feeding, and can obviously reduce the probability of bullet ejection faults, thereby ensuring that the bullet feeding process is smoother.
Drawings
FIG. 1 is a schematic view of a conventional ammunition feed structure;
FIG. 2 is a view showing a structure of a general bullet (pointed bullet);
FIG. 3 is a schematic view of a conventional ammunition feed guide;
FIG. 4 is a view of the structure of a shotgun shell;
FIG. 5 is a schematic view of a conventional cartridge feed guide for a shotgun cartridge;
FIG. 6 is a schematic structural view of the present invention;
FIG. 7a is a schematic diagram of step 1;
FIG. 7b is a schematic diagram of step 2;
FIG. 7c is a schematic diagram of step 3;
FIG. 8 is a conventional projectile guidance diagram;
fig. 9 is a feed guidance diagram of the present invention.
In the drawings: 1-magazine, 2-bullet, 3-guide tube bell mouth, 4-guide tube, 5-chamber bullet inlet guide inclined plane, 6-chamber, 7-connecting screw, 8-guide tube spring, 9-outer barrel, 10-connecting pin and 11-limiting plane.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
In this embodiment, the barrel is used as the front end.
As shown in fig. 6, the telescopic tube type bullet supply guiding mechanism is installed at the tail end of a barrel component, the bullet supply guiding mechanism includes a guiding tube 4 and a guiding tube spring 8, the barrel component includes an outer barrel 9 and a chamber 6 fixedly installed in the outer barrel 9, a limiting surface 11 is arranged in the middle of the chamber 6, a chamber entrance guiding inclined surface 5 for regulating a bullet is arranged at the tail, the guiding tube 4 and the guiding tube spring 8 are both sleeved on the outer peripheral surface of the chamber 6, the guiding tube 4 is arranged at the tail of the chamber 6, one end of the guiding tube 4, which is far away from the chamber 6, is in a horn shape to form a guiding tube horn mouth 3, the guiding tube spring 8 is arranged between the guiding tube 4 and the chamber limiting surface 11, two ends of the guiding tube 4 and the limiting surface 11 of the chamber respectively abut against, and a limiting mechanism is arranged at the tail of the outer barrel 9 and used for axially limiting the guiding tube 4.
In this embodiment, the inner diameter of the bell mouth 3 of the guide tube is larger than the outer diameter of the guide inclined plane 5 of the bullet inlet of the bullet chamber. The cartridge 2 in the magazine 1 is more easily introduced into the chamber 6.
In this embodiment, the outer barrel 9 and the cartridge chamber 6 are fixedly connected by a combination of the connecting pin 10 and the interference fit, and other fastening means such as a screw may be used.
In this embodiment, the guide tube 4 is axially restrained by a restraining mechanism on the outer barrel 9, which may take the form of a coupling screw 7 or a restraining pin or the like.
As shown in fig. 7a, 7b and 7c, the present invention further provides a telescopic tube type bullet feeding guiding method, which guides a bullet by using the telescopic tube type bullet feeding guiding mechanism, and comprises the following steps:
step 1, the bolt is re-advanced, and the bullet in the bullet-pushing box firstly enters a guide pipe;
step 2, the bullet continues to move forwards after being guided by the bell mouth of the guide pipe, and the head of the bullet is in contact with the bullet inlet guide inclined plane of the bullet chamber;
step 3, under the combined action of the guide pipe and the bullet inlet guide inclined plane of the bullet chamber, the bullet is calibrated;
and 4, continuing to advance the gun, simultaneously pressing the guide tube to compress the guide tube spring, and completely entering the cartridge chamber by the cartridge when the guide tube spring is completely compressed to complete cartridge guiding.
The design principle of the invention is as follows:
as shown in FIG. 8, the conventional bullet feeding guidance is adopted for the shotgun shell, and the stress condition (neglecting friction) when the shell enters the chamber is about O1The moment equation for the points is:
MO1＝F1a1+Fspringa2
Wherein: f1a1-represents F1To O1Moment, direction of pointCounterclockwise, the value is "+",
Fspringa2-represents FSpringTo O1The moment of the point, counterclockwise, has a value of "+".
Therefore, MO1 is greater than 0, the direction is counterclockwise, the moment forces the tail end of the bullet downward, the center of the bullet deviates from the center line of the barrel, which is contrary to the requirement that the center line of the bullet should gradually approach and coincide with the center line of the barrel during the bullet feeding process, and the bullet ejection fault is inevitably generated during the bullet feeding process.
As shown in fig. 9, the shotgun shell adopts the shell feeding guide mode of the invention, and the stress condition (neglecting friction force) when the shell enters the chamber gauge is related to O2The moment equation for the points is:
MO2＝F1b1+Fspringb2
Wherein: f1b1-represents F1To O2The moment of the point, clockwise, has the value of- ",
Fspringb2-represents FSpringTo O2The moment of the point, counterclockwise, has a value of "+".
F can be controlled by parameter design1b1Absolute value greater than FSpringb2Absolute value, at this time MO2If the direction is less than 0, the direction is clockwise, the moment forces the tail end of the bullet to lift up to be closer to the center line of the gun barrel, and the bullet is gradually regulated, so that the bullet feeding can be smooth.
The invention can realize reliable guidance for the bullet supply of a shotgun bullet or other bullets with the bullet head diameter not different from the opening size of the bullet chamber, and can obviously reduce the probability of bullet ejection faults. The guide tube can stretch out and draw back under the action of spring force of the guide tube spring, the bullet feeding guide of the gun bullet is realized during bullet feeding, the guide tube can be pressed down by a gun trigger after the gun bullet enters the chamber, the locking is not influenced, and the reliable action of the mechanism can be ensured.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.

Claims (6)

1. The utility model provides a telescopic tube formula bullet feed guide mechanism, installs at barrel part tail end which characterized in that: the bullet supply guide mechanism comprises a guide tube and a guide tube spring, the barrel part comprises an outer barrel and a bullet chamber fixedly installed in the outer barrel, a limiting surface is arranged at the middle of the bullet chamber, a bullet chamber bullet inlet guide inclined surface used for correcting a bullet is arranged at the tail of the bullet chamber, the guide tube and the guide tube spring are sleeved on the outer peripheral surface of the bullet chamber, the guide tube is arranged at the tail of the bullet chamber, one end, far away from the bullet chamber, of the guide tube is horn-shaped, a horn-shaped guide tube is formed, the guide tube spring is arranged between the guide tube and the limiting surface of the bullet chamber, two ends of the guide tube spring are respectively abutted against the limiting surfaces of the guide tube and the bullet chamber, and a limiting mechanism is arranged at the tail of the outer barrel and used for limiting.
2. The telescopic tube type ammunition feed guide mechanism as claimed in claim 1, wherein: the inner diameter of the bell mouth of the guide tube is larger than the outer diameter of the guide inclined plane of the bullet inlet of the bullet chamber.
3. The telescopic tube type ammunition feed guide mechanism as claimed in claim 1, wherein: the outer gun barrel and the cartridge chamber are fixedly connected in a combined mode of connecting pins and tight fit.
4. The telescopic tube type ammunition feed guide mechanism as claimed in claim 1, wherein: the outer gun barrel and the cartridge chamber are fixedly connected by threads.
5. The telescopic tube type ammunition feed guide mechanism as claimed in claim 1, wherein: the limiting mechanism is a connecting screw or a limiting pin.
6. A telescopic tube type ammunition feed guiding method for guiding a bullet by using the telescopic tube type ammunition feed guiding mechanism according to any one of claims 1 to 5, characterized by comprising the following steps:
step 1, the bolt is re-advanced, and the bullet in the bullet-pushing box firstly enters a guide pipe;
step 2, the bullet continues to move forwards after being guided by the bell mouth of the guide pipe, and the head of the bullet is in contact with the bullet inlet guide inclined plane of the bullet chamber;
step 3, under the combined action of the guide pipe and the bullet inlet guide inclined plane of the bullet chamber, the bullet is calibrated;
and 4, continuing to advance the gun, simultaneously pressing the guide tube to compress the guide tube spring, and completely entering the cartridge chamber by the cartridge when the guide tube spring is completely compressed to complete cartridge guiding.
CN202010198823.5A 2020-03-20 2020-03-20 Telescopic tube type ammunition feed guiding mechanism and guiding method Active CN111256526B (en)

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CN202010198823.5A CN111256526B (en) 2020-03-20 2020-03-20 Telescopic tube type ammunition feed guiding mechanism and guiding method

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Application Number Priority Date Filing Date Title
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1146855A (en) * 1956-02-29 1957-11-15 Automatic weapon and ammunition particularly intended for supplying such a weapon
EP0886120A1 (en) * 1997-05-23 1998-12-23 Snc Industrial Technologies Inc. (Les Technologies Industrielles Snc Inc.) Training barrel with projectile feed ramp for automatic firearms
CN2394183Y (en) * 1999-11-05 2000-08-30 中国兵器工业第二O八研究所 Bullet mechanism of semi-automatic sporting gun
JP2001330396A (en) * 2000-05-23 2001-11-30 Shooting Supply:Kk Barrel of rifle gun or shot gun
US20040200110A1 (en) * 2001-05-24 2004-10-14 Greenhut Paul M. Cartridge chambering system for firearms
JP2005016907A (en) * 2003-06-27 2005-01-20 Tomoyasu Kagami Chamber loading and bullet feeding mechanism for rifle and shotgun
US20050262750A1 (en) * 2004-05-28 2005-12-01 Olson Douglas D Auto-loading firearm mechanisms and methods
WO2012135880A1 (en) * 2011-04-04 2012-10-11 Merkel Jagd- Und Sportwaffen Gmbh Pistol having a multi-part slide
CN211783021U (en) * 2020-03-20 2020-10-27 重庆建设工业(集团)有限责任公司 Telescopic tube type bullet supply guide mechanism

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1146855A (en) * 1956-02-29 1957-11-15 Automatic weapon and ammunition particularly intended for supplying such a weapon
EP0886120A1 (en) * 1997-05-23 1998-12-23 Snc Industrial Technologies Inc. (Les Technologies Industrielles Snc Inc.) Training barrel with projectile feed ramp for automatic firearms
CN2394183Y (en) * 1999-11-05 2000-08-30 中国兵器工业第二O八研究所 Bullet mechanism of semi-automatic sporting gun
JP2001330396A (en) * 2000-05-23 2001-11-30 Shooting Supply:Kk Barrel of rifle gun or shot gun
US20040200110A1 (en) * 2001-05-24 2004-10-14 Greenhut Paul M. Cartridge chambering system for firearms
JP2005016907A (en) * 2003-06-27 2005-01-20 Tomoyasu Kagami Chamber loading and bullet feeding mechanism for rifle and shotgun
US20050262750A1 (en) * 2004-05-28 2005-12-01 Olson Douglas D Auto-loading firearm mechanisms and methods
WO2012135880A1 (en) * 2011-04-04 2012-10-11 Merkel Jagd- Und Sportwaffen Gmbh Pistol having a multi-part slide
CN211783021U (en) * 2020-03-20 2020-10-27 重庆建设工业(集团)有限责任公司 Telescopic tube type bullet supply guide mechanism

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