CN112923789B - Firearms bore opening and bore closing and bore switching mechanism - Google Patents
Firearms bore opening and bore closing and bore switching mechanism Download PDFInfo
- Publication number
- CN112923789B CN112923789B CN202110095743.1A CN202110095743A CN112923789B CN 112923789 B CN112923789 B CN 112923789B CN 202110095743 A CN202110095743 A CN 202110095743A CN 112923789 B CN112923789 B CN 112923789B
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- Prior art keywords
- trigger
- bolt
- hammer
- connecting rod
- rod
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 238000009527 percussion Methods 0.000 claims abstract description 3
- 230000009471 action Effects 0.000 claims description 19
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010304 firing Methods 0.000 description 18
- 230000002688 persistence Effects 0.000 description 4
- 239000003721 gunpowder Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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
- F41A35/00—Accessories or details not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Toys (AREA)
Abstract
A firearms bore opening and bore closing and bore waiting conversion mechanism comprises a lower receiver, a trigger connecting rod, a hammer, a gunlock out-of-place safety, a conversion control mechanism, a lever mechanism, a gunlock stop iron and a gunlock; the trigger passes through the rotation and the percussion of the trigger tenon control driving hammer of front end, the driving hammer passes through the not rotation of the insurance that targets in place of draw-in groove control rifle bolt, the trigger rear end has rather than articulated trigger connecting rod, the rear end of trigger connecting rod pastes and leans on the spacing groove of conversion control mechanism, the anterior "U" shape of lever mechanism lets the position the pole overlap joint on the spacing groove, lifter and rifle bolt stop iron lower extreme vertical fixation at lever mechanism rear portion are connected, rifle bolt stop iron upper end can hang the rifle bolt when the firearms is opened to wait to hit. The switching mechanism can realize the free switching of the open chamber to be shot and the closed chamber to be shot states under the full-automatic shooting mode of the firearm manually, the temperature of the inner chamber of the firearm is effectively reduced while the shooting accuracy and the firepower continuity are ensured, the service life of a barrel is prolonged, and the fighting environment of the firearm is expanded.
Description
Technical Field
The invention relates to the technical field of firearms, in particular to a firearm opening and closing chamber switching mechanism.
Background
The firing modes of the gun mainly comprise an open chamber firing mode and a closed chamber firing mode, the gun has good heat dissipation and strong firepower persistence when the gun is open and fired, the shooting precision is high when the gun is closed and fired, and the first firing disturbance is small.
At present, most firearms only have one mode to be fired, along with the evolution of tactical purposes of the firearms, the shooting precision, the persistence and the maneuverability of the firearms are emphasized, the applicability of a single mode to be fired is strengthened, and the mode to be fired of the firearms needs to be correspondingly improved in the aspects of considering both the shooting precision and the firepower persistence and the like.
In order to adapt to battlefield environment, firearms which have two modes of open-chamber firing and closed-chamber firing are developed in various countries successively, and the firearms can be converted into firing modes under certain conditions. At present, two schemes exist for the standby mode, the first scheme is to adjust the opening standby mode and the closing standby mode through a speed machine, and the second scheme is a temperature self-adaptive control scheme.
The first scheme is that the weapon is to be shot in a closed chamber when in a semi-automatic shooting mode, so that the shooting precision of the weapon is improved; the weapon is converted into an open chamber to be fired when the full-automatic shooting is carried out, and the heat dissipation of the firearm is accelerated. However, the use of the fast and slow machine to change the mode to be fired lacks the degree of freedom, and the chamber opening and the firing are forced to be performed in the full-automatic mode, which means that the advantages brought by the chamber closing and the firing cannot be considered in the full-automatic mode.
The second scheme is that the temperature of the cartridge chamber is increased rapidly along with the continuous increase of the number of the shot, and after the temperature is increased to a certain value, a certain mechanism works to switch the mode to be fired after the chamber is opened. Depending on temperature control, although more intelligent, the reliability of such a structure is unknown, and it is also unknown whether or not negative effects such as failure in operation are brought about. If the mechanism adopts liquid expansion with heat and contraction with cold control, the adaptability to sealing performance and other complex environments (such as extremely cold environments) is not little tested.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a firearm chamber opening and chamber closing and firing conversion mechanism, so that chamber opening and chamber closing and firing can be freely converted in a full-automatic shooting mode, the temperature of the inner chamber of the firearm is effectively reduced while the shooting accuracy and the firepower persistence are ensured, the service life of a barrel is prolonged, and the fighting environment of the firearm is expanded.
In order to realize the purpose, the invention adopts the following technical scheme:
a firearms bore opening and bore closing and bore waiting conversion mechanism comprises a lower receiver, a trigger connecting rod, a hammer, a gunlock out-of-place safety, a conversion control mechanism, a lever mechanism, a gunlock stop iron and a gunlock;
the trigger is arranged on the lower casing through a trigger rotating shaft; the front end of the trigger is provided with a trigger tenon;
the trigger connecting rod is positioned at the rear part of the trigger, is obliquely upward relative to the upper part of the trigger, and has a lower end hinged with the rear end of the trigger and an upper end in a wedge shape; a trigger connecting rod torsion spring which can drive the trigger connecting rod to rotate clockwise is arranged between the trigger connecting rod and the trigger;
the hammer is positioned above the trigger and is rotatably arranged in the lower casing by a hammer rotating shaft, a hammer torsional spring capable of driving the hammer to rotate anticlockwise is arranged below the hammer, and after the limit of the hammer is relieved, the hammer can rotate anticlockwise under the action of the hammer torsional spring to strike the hammer to finish the percussion; the side surface of the front end of the hammer is provided with a clamping groove which is matched with a bulge at the lower part of the bolt in-place safety to limit the rotation of the bolt in-place safety, and the lower part of the front end of the hammer is provided with a clamping groove which is matched with the trigger tenon to limit the rotation of the hammer;
the bolt-in-place safety is of a rod body structure, is positioned in front of the driving hammer and is rotatably arranged in the lower receiver through a bolt-in-place safety shaft, a safety torsion spring capable of driving the bolt-in-place safety to rotate clockwise is arranged below the bolt-in-place safety, the bolt-in-place safety can rotate clockwise under the action of the safety torsion spring, the driving hammer at the right end is extruded, and the driving hammer is matched with the trigger tenon to limit the rotation of the driving hammer; a bulge which is matched with a clamping groove on the side surface of the front end of the hammer to limit the rotation of the bolt out-of-position safety is arranged on one side of the lower part of the bolt out-of-position safety relative to the hammer;
the conversion control mechanism is positioned at the rear part of the trigger connecting rod and comprises a rotary rod which is arranged in the lower casing and can rotate, one end of the rotary rod is provided with a knob which is positioned outside the lower casing and can be manually operated, the central part of the rotary rod is provided with a limit groove, the opening of the limit groove is upward when the firearm is in an open-hearth and to-be-fired state, and the rear end of the trigger connecting rod is attached to the bottom edge of the limit groove under the action of a torsion spring of the trigger connecting rod; when the firearm is in a closed chamber and is ready to fire state, the slot port rotates 60 degrees anticlockwise, and the rear end of the trigger connecting rod is attached to the bottom surface of the limiting groove under the action of the trigger connecting rod torsion spring;
the lever mechanism is positioned at the rear part of the conversion control mechanism, consists of a position-giving rod and a gunlock iron-blocking lifting rod, and is arranged in the lower receiver through a lever mechanism rotating shaft; the yielding rod is U-shaped and is lapped with a limit groove on the rotating rod of the conversion control mechanism; the wedge-shaped upper end of the trigger connecting rod extends into a gap of the U-shaped abdicating rod, the inclined plane of the wedge-shaped upper end of the trigger connecting rod is propped against the inner wall of the front end of the U-shaped abdicating rod, and when the trigger is triggered in an open-hearth to-be-shot state, the trigger connecting rod moves upwards to jack the end part of the abdicating rod upwards;
the gunlock sear is positioned at the rear part of the lever mechanism, and the lower end of the gunlock sear is vertically and fixedly connected with the end part of a gunlock sear lifting rod of the lever mechanism through a positioning pin; the lower part of the bolt sear is provided with a bolt sear spring which applies upward restoring force to the bolt sear, and the upper end of the bolt sear can hang the bolt under the spring force of the bolt sear spring when the gun is opened and is to be struck, so that the bolt is stopped at the rear part of the receiver.
The invention has the beneficial effects that:
the invention can realize the free conversion between the open chamber and the closed chamber in the full-automatic shooting mode of the firearm by hand, effectively reduce the temperature of the inner chamber of the firearm, prolong the service life of the barrel and expand the fighting environment of the firearm while ensuring the shooting accuracy and the firepower continuity.
Drawings
FIG. 1 is a three-dimensional schematic view of the external structure of the present invention in an open-hole ready condition;
FIG. 2 is a three-dimensional schematic view of the cocking conversion mechanism of FIG. 1 with the lower case removed;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a three-dimensional schematic view of the external structure of the present invention in a closed chamber ready for striking;
FIG. 5 is a three-dimensional view of the cocking conversion mechanism of FIG. 4 with the lower case removed;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a schematic view showing the state of the trigger link, the switching control mechanism and the lever mechanism in the state of the breech opening and the firing standby of the present invention;
FIG. 8 is a schematic view showing the state of the trigger link, the switching control mechanism and the lever mechanism when the trigger is fired in the open-to-fire state according to the present invention;
FIG. 9 is a schematic view of the trigger link, the switching control mechanism and the lever mechanism of the present invention when the trigger is fired in a closed-chamber and ready-to-fire state;
FIG. 10 is a schematic view of a trigger link of the present invention;
FIG. 11 is a schematic view of a mid-lever mechanism of the present invention;
fig. 12 is a schematic view of a switching control mechanism in the present invention.
The symbols in the drawings illustrate that: 1-lower receiver, 2-bolt sear, 3-lever mechanism, 301-abdicating rod, 302-bolt sear lifting rod, 4-conversion control mechanism, 401-knob, 402-rotating rod, 403-spacing groove, 5-trigger connecting rod, 6-trigger, 7-trigger tenon (hammer sear), 8-hammer, 9-bolt out-of-position safety, 10-bolt, 11-trigger rotating shaft, 12-pin shaft, 13-lever mechanism rotating shaft, 14-positioning pin, 15-bolt out-of-position safety rotating shaft, 16-hammer rotating shaft.
Detailed Description
The invention is further illustrated by the following figures and examples.
With reference to fig. 1 to 12, the firearm chamber opening and chamber closing and firing conversion mechanism of the invention comprises a lower receiver 1, a trigger 6, a trigger connecting rod 5, a hammer 8, a bolt out-of-position safety 9, a conversion control mechanism 4, a lever mechanism 3, a bolt sear 2 and a bolt 10.
The trigger is arranged on the lower casing through a trigger rotating shaft 11; the front end of the trigger has a trigger tenon 7 (i.e., hammer sear).
The trigger connecting rod 5 is positioned at the rear part of the trigger, is obliquely upward relative to the upper part of the trigger, is hinged with the rear end of the trigger at the lower end through a pin shaft 12, and is wedge-shaped at the upper end (as shown in figure 10); a trigger link torsion spring (not shown) for driving the trigger link to rotate clockwise is provided between the trigger link 5 and the trigger 6.
The hammer 8 is positioned at the front upper part of the trigger, can be rotatably arranged in the lower casing by a hammer rotating shaft 16, is provided with a hammer torsion spring (not shown) capable of driving the hammer to rotate anticlockwise, and can rotate anticlockwise under the action of the hammer torsion spring after the limit of the hammer is released, so as to strike the hammer and complete the firing; the side surface of the front end of the hammer is provided with a clamping groove which is matched with a bulge at the lower part of the bolt in-place safety to limit the rotation of the bolt in-place safety, and the lower part of the front end of the hammer is provided with a clamping groove which is matched with the trigger tenon to limit the rotation of the hammer.
The bolt-in-place safety 9 is of a rod body structure (as shown in fig. 12), is positioned in front of the hammer and is rotatably installed in the lower receiver through a bolt-in-place safety shaft 15, a safety torsion spring (not shown) capable of driving the bolt-in-place safety to rotate clockwise is arranged below the bolt-in-place safety 9, the bolt-in-place safety can rotate clockwise under the action of the safety torsion spring to extrude the hammer at the right end and is matched with a trigger tenon to limit the rotation of the hammer; the side of the lower part of the bolt in-place safety relative to the hammer is provided with a bulge which is matched with a clamping groove on the side surface of the front end of the hammer to limit the bolt in-place safety to rotate.
The conversion control mechanism 4 is located at the rear part of the trigger connecting rod, and as shown in fig. 11, the conversion control mechanism comprises a rotating rod 402 which is rotatably installed in the lower receiver, one end of the rotating rod is provided with a knob 401 which is located outside the lower receiver and can be operated manually, the knob is axially parallel to a barrel when the firearm is in an open-chamber and ready-to-fire state, the knob rotates 60 degrees anticlockwise when the firearm is in a closed-chamber and ready-to-fire state, and a limit groove 403 is formed in the central part of the rotating rod; the limiting groove has an upward slot opening when the firearm is in an open-chamber and firing-standby state, and the rear end of the trigger connecting rod is attached to the bottom edge of the limiting groove under the action of the torsion spring of the trigger connecting rod (as shown in fig. 7); when the firearm is in a closed chamber and is in a firing state, the slot rotates 60 degrees anticlockwise, and the rear end of the trigger connecting rod is abutted against the bottom surface of the limiting slot under the action of the torsion spring of the trigger connecting rod (as shown in figure 8).
The lever mechanism 3 is positioned at the rear part of the conversion control mechanism, consists of a yielding rod 301 and a gunlock sear lifting rod 302 (shown in fig. 11), and is installed in the lower receiver through a lever mechanism rotating shaft 13; the position yielding rod 301 is U-shaped and is lapped with a limiting groove on the rotating rod of the conversion control mechanism; the wedge-shaped upper end of the trigger connecting rod extends into a gap of the U-shaped abdicating rod, the inclined plane of the wedge-shaped upper end of the trigger connecting rod is propped against the inner wall of the front end of the U-shaped abdicating rod, and when the trigger is triggered in an open-to-fire state, the trigger connecting rod moves upwards to jack up the end part of the abdicating rod upwards (as shown in figure 8).
The bolt face sear 2 is positioned at the rear part of the lever mechanism, and the lower end of the bolt face sear 2 is vertically and fixedly connected with the end part of a bolt face sear lifting rod 302 of the lever mechanism through a positioning pin 14; the lower part of the bolt sear is provided with a bolt sear spring (not shown) which applies upward restoring force to the bolt sear, and the upper end of the bolt sear can hang the bolt (10) under the spring force of the bolt sear spring when the bolt is opened and is ready to be fired, so that the bolt is stopped at the rear part of the receiver.
The working principle of the invention is explained below with reference to the drawings:
the knob of the control mechanism is switched to be parallel to the axial direction of the gun barrel, the firearm is in a breech-opening and ready-to-fire state, and the states of all components of the switching mechanism are shown in figures 1, 2, 3 and 7. At this point the bolt sear 2 catches the bolt 10, the bolt 10 stops behind the firearm, the bolt out of position safety 9 and the trigger tenon 7 lock the hammer 8 from rotating. After the trigger 6 is pulled, the hammer sear (i.e. trigger tenon) 7 at the front end of the trigger 6 descends, at the moment, the hammer 8 is locked by the bolt out-of-place safety catch 9 and can not rotate, the trigger connecting rod 5 at the rear end of the hammer is lifted, the lever mechanism is forced to allow the position rod 301 to ascend (as shown in fig. 8), meanwhile, the bolt sear lifting rod 302 descends, the bolt sear 2 is forced to descend, and the limit of the bolt 10 is released. The gunlock 10 moves forwards under the action of the recoil spring force, the gunlock is locked by being in place after the bullet is pushed, the dead-position safety device 9 is pushed to rotate anticlockwise in the process of the recoil of the gunlock 10, so that the hammer 8 is completely released, and the hammer 8 rotates under the action of the hammer torsion spring and strikes the tail of the firing pin to complete firing. After the firing, the gunpowder gas acts on the gas guide piston to push the gun trigger 10 to move backwards and complete the shell-throwing action. When the gun passes through the gunlock sear 2, if the trigger 6 is in the reset state, the gunlock sear 2 rises to clamp the gun 10, and the gun is in the open and ready state again; if the trigger 6 is not home, the cycle continues until the ammunition is exhausted.
The knob of the switching control mechanism is rotated counterclockwise by 60 degrees, the firearm is in a closed chamber and ready-to-fire state, and the states of all components of the switching mechanism are shown in fig. 4, 5 and 6. At this time, the rotating rod 402 forces the lever mechanism to raise the position rod 301 upwards through the limiting groove, the lifting rod 302 descends, so as to drive the gunlock sear 2 to sink, the limit on the gunlock 10 is released, the gunlock moves downwards to the front of the firearm under the action of the recoil spring force, the gunlock is in a locked state, the safety 9 of the gunlock not in place releases the hammer 8, and the trigger tenon (namely the hammer sear) 7 blocks the hammer 8 to prevent the hammer 8 from rotating. When the trigger 6 is pulled down, the trigger tenon 7 releases the driving hammer 8 immediately, the driving hammer 8 rotates under the action of the driving hammer torsion spring and strikes the tail part of the driving pin to complete the triggering, the trigger connecting rod at the rear end of the trigger rotates clockwise under the action of the trigger connecting rod torsion spring, the end part of the trigger connecting rod gradually withdraws from the gap of the U-shaped clearance rod of the lever mechanism along with the anticlockwise rotation of the limiting groove of the conversion control mechanism and finally clings to the bottom surface of the limiting groove of the conversion control mechanism (as shown in figure 9), and no acting force can be generated on the lever mechanism 3 and the gun engine stopping iron 2. After the trigger is triggered, gunpowder gas acts on the gas guide piston to push the gun trigger 10 to move backwards and complete the shell ejection action. After the bolt machine 10 sits in place, the bolt machine 10 can smoothly complete re-feeding, bullet propelling and bullet feeding and re-feeding in place to complete locking because the bolt machine sear 2 is always in a sinking non-working state. If the trigger 6 is in the reset state, the trigger tenon 7 can lift up to block the hammer 8, so that the firearm is in the closed chamber and ready to fire state again; if the trigger 6 is not home, the cycle continues until the ammunition is exhausted.
Claims (1)
1. A conversion mechanism for opening and closing a chamber of a firearm to be fired is characterized by comprising a lower receiver (1), a trigger (6), a trigger connecting rod (5), a hammer (8), a bolt out-of-place safety (9), a conversion control mechanism (4), a lever mechanism (3), a bolt stop iron (2) and a bolt (10);
the trigger is arranged on the lower casing through a trigger rotating shaft (11); the front end of the trigger is provided with a trigger tenon (7);
the trigger connecting rod (5) is positioned at the rear part of the trigger, is obliquely upward relative to the upper part of the trigger, is hinged with the rear end of the trigger at the lower end and is wedge-shaped at the upper end; a trigger connecting rod torsion spring which can drive the trigger connecting rod to rotate clockwise is arranged between the trigger connecting rod (5) and the trigger (6);
the hammer (8) is positioned above the trigger, is rotatably arranged in the lower case by a hammer rotating shaft (16), is provided with a hammer torsion spring capable of driving the hammer to rotate anticlockwise, and can rotate anticlockwise under the action of the hammer torsion spring after the limit of the hammer is released, so as to strike the hammer and complete the percussion; the side surface of the front end of the driving hammer is provided with a clamping groove which is matched with a bulge at the lower part of the bolt in-place safety to limit the rotation of the bolt in-place safety, and the lower surface of the front end of the driving hammer is provided with a clamping groove which is matched with the trigger tenon to limit the rotation of the driving hammer;
the bolt in-place safety (9) is of a rod body structure and is positioned in front of the hammer, the bolt in-place safety shaft (15) is rotatably arranged in the lower receiver, a safety torsion spring capable of driving the bolt in-place safety to rotate clockwise is arranged below the bolt in-place safety (9), the bolt in-place safety can rotate clockwise under the action of the safety torsion spring, the hammer at the right end is extruded, and the bolt is matched with the trigger tenon to limit the rotation of the hammer; a bulge which is matched with a clamping groove on the side surface of the front end of the hammer to limit the rotation of the bolt out-of-position safety is arranged on one side of the lower part of the bolt out-of-position safety relative to the hammer;
the conversion control mechanism (4) is positioned at the rear part of the trigger connecting rod and comprises a rotary rod (402) which is arranged in the lower case and can rotate, one end of the rotary rod is provided with a knob (401) which is positioned outside the lower case and can be operated manually, the center part of the rotary rod is provided with a limiting groove (403), the opening of the limiting groove faces upwards when the firearm is in an open and ready state, and the rear end of the trigger connecting rod is attached to the bottom edge of the limiting groove under the action of a torsion spring of the trigger connecting rod; when the firearm is in a closed chamber and is ready to be shot, the slot rotates 60 degrees anticlockwise, and the rear end of the trigger connecting rod is attached to the bottom surface of the limiting groove under the action of the trigger connecting rod torsion spring;
the lever mechanism (3) is positioned at the rear part of the conversion control mechanism, consists of a position-letting rod (301) and a gunlock sear lifting rod (302), and is arranged in the lower receiver through a lever mechanism rotating shaft (13); the yielding rod (301) is U-shaped and is lapped with a limiting groove on the rotating rod of the conversion control mechanism; the wedge-shaped upper end of the trigger connecting rod extends into a gap of the U-shaped abdicating rod, the inclined plane of the wedge-shaped upper end of the trigger connecting rod is propped against the inner wall of the front end of the U-shaped abdicating rod, and when the trigger is triggered in an open-hearth to-be-shot state, the trigger connecting rod moves upwards to jack the end part of the abdicating rod upwards;
the gunlock sear (2) is positioned at the rear part of the lever mechanism, and the lower end of the gunlock sear (2) is vertically and fixedly connected with the end part of a gunlock sear lifting rod (302) of the lever mechanism through a positioning pin (14); the lower part of the bolt sear is provided with a bolt sear spring which applies upward restoring force to the bolt sear, and the upper end of the bolt sear can hang the bolt (10) under the spring force of the bolt sear spring when the breech is to be struck, so that the bolt is stopped at the rear part of the receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095743.1A CN112923789B (en) | 2021-01-25 | 2021-01-25 | Firearms bore opening and bore closing and bore switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095743.1A CN112923789B (en) | 2021-01-25 | 2021-01-25 | Firearms bore opening and bore closing and bore switching mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112923789A CN112923789A (en) | 2021-06-08 |
| CN112923789B true CN112923789B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110095743.1A Expired - Fee Related CN112923789B (en) | 2021-01-25 | 2021-01-25 | Firearms bore opening and bore closing and bore switching mechanism |
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| Country | Link |
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| CN (1) | CN112923789B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113859547B (en) * | 2021-09-27 | 2024-02-27 | 沈阳理工大学 | Unmanned aerial vehicle cloud deck mechanism for mounting firearms |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2035303A (en) * | 1932-12-06 | 1936-03-24 | Delacre Henri | Automatic quick firing arm |
| TW201024655A (en) * | 2008-10-17 | 2010-07-01 | Fn Herstal Sa | Firearm |
| CN102575918A (en) * | 2009-07-24 | 2012-07-11 | 弗拉迪米尔·劳甘库克 | Breech device for a hand firearm |
| CN205049047U (en) * | 2015-09-24 | 2016-02-24 | 重庆建设工业(集团)有限责任公司 | Semi -automatic sniper rifle trigger mechanism |
| CN109668473A (en) * | 2019-01-31 | 2019-04-23 | 重庆建设工业(集团)有限责任公司 | A kind of bolt moves the trigger mechanism of shotgun |
-
2021
- 2021-01-25 CN CN202110095743.1A patent/CN112923789B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2035303A (en) * | 1932-12-06 | 1936-03-24 | Delacre Henri | Automatic quick firing arm |
| TW201024655A (en) * | 2008-10-17 | 2010-07-01 | Fn Herstal Sa | Firearm |
| CN102575918A (en) * | 2009-07-24 | 2012-07-11 | 弗拉迪米尔·劳甘库克 | Breech device for a hand firearm |
| CN205049047U (en) * | 2015-09-24 | 2016-02-24 | 重庆建设工业(集团)有限责任公司 | Semi -automatic sniper rifle trigger mechanism |
| CN109668473A (en) * | 2019-01-31 | 2019-04-23 | 重庆建设工业(集团)有限责任公司 | A kind of bolt moves the trigger mechanism of shotgun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112923789A (en) | 2021-06-08 |
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Granted publication date: 20220913 |