CN108007261B - Small and medium caliber machine gun bullet conveying mechanism - Google Patents
Small and medium caliber machine gun bullet conveying mechanism Download PDFInfo
- Publication number
- CN108007261B CN108007261B CN201711374043.6A CN201711374043A CN108007261B CN 108007261 B CN108007261 B CN 108007261B CN 201711374043 A CN201711374043 A CN 201711374043A CN 108007261 B CN108007261 B CN 108007261B
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- Prior art keywords
- bullet
- lever
- slide plate
- shifting
- shifting fork
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Classifications
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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
- F41A9/38—Loading arrangements, i.e. for bringing the ammunition into the firing position
Abstract
The invention provides a medium and small caliber machine gun bullet conveying mechanism, which comprises a machine frame, a connecting seat, a bullet receiver seat, a deflector rod, a shifting fork and a small lever structure; the side wall of the machine frame is provided with a L-shaped guide groove, and a bullet conveying working surface is arranged in the guide groove; the deflector rod is rotatably arranged on the side surface of the connecting seat; the shifting fork is L-shaped and is rotatably arranged on the top surface of the connecting seat, one end of the shifting fork is hinged with the upper end of the shifting rod, and the other end of the shifting fork is provided with a waist-shaped groove; the small lever structure comprises a lever, an outer spring pulling slide plate and an inner spring pulling slide plate; the lever is rotatably arranged on the bullet receiver seat, one end of the lever is downwards provided with a roller, the roller is clamped in the shifting fork waist-shaped groove, the other end of the lever is hinged with the inner bullet shifting slide plate, and the middle part of the lever is hinged with the outer bullet shifting slide plate. According to the invention, the machine frame drives the shifting lever, the shifting lever drives the shifting fork, and the shifting fork drives the lever to further drive the inner and outer elastic shifting slide plates to realize double-pass elastic conveying. The invention has compact structure, stable operation and effectively improves the shooting precision of the machine gun.
Description
Technical Field
The invention relates to a bullet supply device of a firearm, in particular to a medium-and-small caliber machine gun bullet conveying mechanism.
Background
At present, the gun bullet feeding mode comprises a single-pass bullet feeding mode and a double-pass bullet feeding mode. One-way bullet delivery is to complete one-time bullet delivery when sitting back or one-time bullet delivery when rewinding; the double-pass bullet feeding can complete half of the bullet feeding actions when sitting back and the other half of the bullet feeding actions when rewinding. The medium and small caliber machine gun bullet feeding mechanism for chain type bullet feeding is a machine gun core component. The design requirement of the bullet conveying mechanism is generally that the operation is stable and reliable, the transmission efficiency is high, the influence on the firing precision of the gun is small, and the use and maintenance are convenient.
The existing medium and small caliber machine gun at home and abroad generally adopts an automatic machine cam and long lever bullet conveyer structure, and has the advantages of simple structure and high technical maturity. The disadvantage is that the large lever has alternate transverse acting force to the automaton in the process of bullet feeding, which indirectly affects the shooting precision of the gun. And secondly, the cam lever mechanism occupies a longitudinal space in the length direction of the machine gun, which is unfavorable for shortening the length of the weapon.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a medium and small caliber machine gun bullet conveying mechanism which has compact structure and stable work, can effectively utilize the recoil and the recoil energy of a machine frame, avoids the transverse interference to the working of an automaton and improves the shooting precision of the machine gun.
The technical scheme of the invention is as follows:
the medium and small caliber machine gun bullet conveying mechanism comprises a machine frame, a connecting seat, a bullet receiver seat, a deflector rod, a shifting fork and a small lever structure, wherein the connecting seat and the bullet receiver seat are sequentially arranged on the machine frame; the side wall of the machine frame is provided with a L-shaped guide groove, the guide groove comprises a horizontal section and a vertical section, the vertical section is provided with two side walls, the side wall close to the horizontal section is a recoil bullet conveying working surface, and the side wall far away from the horizontal section is a reentrant bullet conveying working surface; the deflector rod is rotatably arranged on the side surface of the connecting seat, a first roller is arranged at the lower end of the deflector rod, and the first roller is positioned in the guide groove; the recoil bullet conveying working surface and the recoil bullet conveying working surface drive the deflector rod to swing in a vertical plane; the shifting fork is L-shaped and is rotatably arranged on the top surface of the connecting seat, one end of the shifting fork is hinged with the upper end of the shifting rod, and the other end of the shifting fork is provided with a waist-shaped groove; the small lever structure comprises a lever, an outer spring pulling slide plate and an inner spring pulling slide plate; the lever is rotatably arranged on the bullet receiver seat, one end of the lever is downwards provided with a second roller, the second roller is clamped in the shifting fork waist-shaped groove, the other end of the lever is hinged with the inner bullet shifting slide plate, and the middle part of the lever is hinged with the outer bullet shifting slide plate.
Preferably, the end part of the inner spring pulling slide plate is integrally extended with an inner spring pulling slide plate connecting rod, and the inner spring pulling slide plate connecting rod is hinged with one end of the lever, which is far away from the shifting fork.
Preferably, the end part of the outer spring pulling slide plate is integrally extended with an outer spring pulling slide plate connecting rod, and the outer spring pulling slide plate connecting rod is hinged with the middle part of the lever.
Preferably, the outer bullet-shifting slide plate is located above the inner bullet-shifting slide plate.
Compared with the prior art, the invention has the following beneficial effects:
1. by reasonable structural arrangement, the swinging direction of the deflector rod of the bullet conveying mechanism is the same as the moving direction of the automaton, the recoil and the recoil energy of the frame are effectively utilized, the transverse interference to the working of the automaton is avoided, and the shooting precision of the gun is improved.
2. The invention has compact structure and stable work, the driving mechanism of the bullet conveying mechanism is arranged on the side surface of the frame, does not occupy the longitudinal space in the length direction of the machine gun, is beneficial to shortening the weapon length and has important significance for the integral optimization design of the machine gun.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the spring receiver stand with the frame, the connecting base and the spring receiver stand omitted in FIG. 1;
FIG. 3 is a schematic diagram of a lever structure;
FIG. 4 is a schematic diagram of a fork structure;
FIG. 5 is a schematic view of a small lever structure (omitting the outer spring sliding plate);
FIG. 6 is a schematic view of a small lever structure (the outer spring sled is not omitted);
FIG. 7 is a schematic representation of the operation of the present invention during squat;
FIG. 8 is a schematic diagram of the operation of the present invention during a repeat process;
in the accompanying drawings: 1-a connecting seat; 2-a machine frame; 201-a guide groove; 201 a-squat projectile work surface; 201 b-reentering the projectile work surface; 3-a deflector rod; 301-a first roller; 302-a first shaft mounting hole; 303-fork-shaped opening; 4-shifting fork; 401-ball head; 402-a second spindle mounting hole; 403-lumbar slots; 5-a small lever structure; 501-lever; 501 a-a second roller; 501 b-a third shaft mounting shaft hole; 502-an outer flick slide plate; 502 a-an outer flick slide linkage; 502 b-outer toggle crank; 503-inner flick slide plate; 503 a-an inner flick slide link; 503 b-inner dial spring crank; 6-a bullet receiver seat; 7-a deflector rod mounting shaft; 8-shifting fork mounting shaft; 9-lever mounting shaft.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
In the present embodiment, the terms "upper", "lower", "left", "right", "front", "rear", "upper end", "lower end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured or operated in a specific orientation, and thus should not be construed as limiting the invention.
The bullet conveying mechanism of the medium-and-small-caliber machine gun is shown in fig. 1 to 8 and consists of a machine frame 2, a connecting seat 1, a bullet receiver seat 6, a deflector rod 3, a shifting fork 4, a small lever structure 5 and other parts. As shown in fig. 1, the connection base 1 and the bullet receiver base 6 are sequentially disposed on the frame 2. Wherein the front end of the connecting seat 1 is fixedly connected with a casing of the machine gun.
The side wall of the frame 2 is provided with a L-shaped guide groove 201 for guiding the swinging of the deflector rod 3, the guide groove comprises a horizontal section and a vertical section, the vertical section is provided with two side walls, the side wall close to the horizontal section is a recoil projectile moving working surface 201a, and the side wall far away from the horizontal section is a reentrant projectile moving working surface 201b.
The structure of the deflector rod 3 is shown in fig. 3, a first roller 301 is arranged below the deflector rod, a fork-shaped opening 303 is arranged above the deflector rod, and a first rotating shaft mounting hole 302 is arranged in the middle of the deflector rod. The side surface of the connecting seat 1 is provided with a deflector rod installation shaft 7 protruding outwards, and the deflector rod 3 is rotatably installed on the side surface of the connecting seat 1 through a first rotating shaft installation hole 302. During the squat process, the frame 2 moves backwards, and the squat projectile work surface 201a contacts the deflector rod 3 to drive the deflector rod 3 to swing anticlockwise; in the process of re-entry, the frame 2 moves forwards, and the re-entry working surface 201b contacts the deflector rod 3 to drive the deflector rod to swing clockwise;
the fork 4 is shown in fig. 4, and has an L-shaped structure, and includes a ball head 401, a second shaft mounting hole 402, and a waist-shaped groove 403. The top surface of the connecting seat 1 is provided with a shifting fork installation shaft 8 protruding upwards, the shifting fork 4 is rotatably installed on the top surface of the connecting seat 1 through a second rotating shaft installation hole 402, and a ball head 401 of the shifting fork is hinged with a fork-shaped opening of the shifting lever 3. As shown in fig. 1 and 2, the shift lever 3 swings in a vertical plane to drive the shift fork 4 to swing in a horizontal plane.
As shown in fig. 2, 5 and 6, the small lever structure 5 is basically identical to the prior art gun structure adopting double-pass bullet delivery. The small lever structure includes a lever 501, an outer dial slide 502, and an inner dial slide 503. The receiver seat 6 has a lever mounting shaft 9 protruding upward, and the lever 501 is rotatably mounted on the receiver seat 6 through a third rotation shaft mounting hole 501b in the middle thereof. The lever one end is equipped with the second gyro wheel 501a downwards, and the second gyro wheel card is in the fork waist type groove 403, the other end with interior bullet slide 503 articulates, the middle part with outer bullet slide 502 articulates, just outer bullet slide 502 is located interior bullet slide 503 top of dialling. Specifically, the end of the inner bullet poking slide plate integrally extends to form an inner bullet poking slide plate connecting rod 503a, and the inner bullet poking slide plate connecting rod 503a is hinged with one end of the lever far away from the shifting fork; the outer bullet pulling slide end part integrally extends to form an outer bullet pulling slide connecting rod 502a, and the outer bullet pulling slide connecting rod 502a is hinged with the middle part of the lever. Thus, the lever 501 swings to drive the inner and outer sliding plates to move linearly in opposite directions. An inner bullet poking crank 503b for poking the bullets is arranged below the inner bullet poking slide plate 503, and an outer bullet poking crank 502b for poking the bullets is arranged below the outer bullet poking slide plate 502.
As shown in fig. 1, 6 and 7, during the squat process, the frame moves backward, and the squat projectile work surface 201a contacts the deflector rod 3, driving the deflector rod 3 to swing toward the tail direction. At this time, the fork 4 swings clockwise, the lever 501 swings anticlockwise, the inner spring pulling slide plate 503 is driven to move outwards, and the inner spring pulling slide plate moves inwards and outwards by a half of the distance of the spring chain links inwards through the inner spring pulling crank 503b below the inner spring pulling slide plate.
As shown in fig. 1, 6 and 8, in the process of re-advancing, the frame moves forward, and the deflector rod 3 contacts the frame to re-advance the bullet conveying working surface to drive the deflector rod to swing towards the muzzle. At this time, the fork 4 swings anticlockwise, the lever 501 swings clockwise, the outer bullet poking slide plate 502 is driven to move inwards and the inner bullet poking slide plate 503 outwards, and the outer bullet poking slide plate pokes the bullet chain to the bullet inlet direction by half the pitch of the bullet chain inwards through the outer bullet poking crank 502b below the outer bullet poking slide plate.
The invention is applicable to open type elastic chains which can be dispersed or not dispersed. By reasonable structural arrangement, the swinging direction of the deflector rod of the bullet conveying mechanism is the same as the moving direction of the automaton, the recoil and the recoil energy of the frame are effectively utilized, the transverse interference to the working of the automaton is avoided, and the design precision of the machine gun is improved. The invention has compact structure and stable work, the driving mechanism of the bullet conveying mechanism is arranged on the side surface of the automaton, does not occupy the longitudinal space in the length direction of the machine gun, is favorable for shortening the length of the weapon, and has important significance for the integral optimization design of the machine gun.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (4)
1. A medium and small caliber machine gun bullet conveying mechanism is characterized in that: the device comprises a frame, a connecting seat, a bullet receiver seat, a shifting rod, a shifting fork and a small lever structure, wherein the connecting seat and the bullet receiver seat are sequentially arranged on the frame; the side wall of the machine frame is provided with a L-shaped guide groove, the guide groove comprises a horizontal section and a vertical section, the vertical section is provided with two side walls, the side wall close to the horizontal section is a recoil bullet conveying working surface, and the side wall far away from the horizontal section is a reentrant bullet conveying working surface; the deflector rod is rotatably arranged on the side surface of the connecting seat, a first roller is arranged at the lower end of the deflector rod, and the first roller is positioned in the guide groove; the recoil bullet conveying working surface and the recoil bullet conveying working surface drive the deflector rod to swing in a vertical plane; the shifting fork is L-shaped and is rotatably arranged on the top surface of the connecting seat, one end of the shifting fork is hinged with the upper end of the shifting rod, and the other end of the shifting fork is provided with a waist-shaped groove; the small lever structure comprises a lever, an outer spring pulling slide plate and an inner spring pulling slide plate; the lever is rotatably arranged on the bullet receiver seat, one end of the lever is downwards provided with a second roller, the second roller is clamped in the shifting fork waist-shaped groove, the other end of the lever is hinged with the inner bullet shifting slide plate, and the middle part of the lever is hinged with the outer bullet shifting slide plate.
2. The medium and small caliber machine gun bullet delivery mechanism of claim 1 wherein: the end part of the inner spring pulling slide plate is integrally extended with an inner spring pulling slide plate connecting rod, and the inner spring pulling slide plate connecting rod is hinged with one end of the lever, which is far away from the shifting fork.
3. The medium and small caliber machine gun bullet delivery mechanism of claim 1 wherein: the outer bullet pulling slide plate end is integrally extended with an outer bullet pulling slide plate connecting rod, and the outer bullet pulling slide plate connecting rod is hinged with the middle part of the lever.
4. A medium and small caliber machine gun bullet delivery mechanism according to claim 2 or 3 wherein: the outer bullet poking slide plate is positioned above the inner bullet poking slide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711374043.6A CN108007261B (en) | 2017-12-19 | 2017-12-19 | Small and medium caliber machine gun bullet conveying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711374043.6A CN108007261B (en) | 2017-12-19 | 2017-12-19 | Small and medium caliber machine gun bullet conveying mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108007261A CN108007261A (en) | 2018-05-08 |
| CN108007261B true CN108007261B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711374043.6A Active CN108007261B (en) | 2017-12-19 | 2017-12-19 | Small and medium caliber machine gun bullet conveying mechanism |
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| CN (1) | CN108007261B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489503B (en) * | 2018-11-02 | 2021-01-26 | 南京理工大学 | Cross linkage feeding and filling device |
| CN110095014B (en) * | 2019-06-05 | 2023-12-26 | 重庆建设工业(集团)有限责任公司 | Chain type bullet feeding machine gun bullet feeding mechanism |
| CN111750734B (en) * | 2020-06-17 | 2022-06-07 | 南京理工大学 | Automatic machine gun for large-diameter countersunk bullet |
| CN114518054B (en) * | 2022-03-14 | 2023-06-16 | 重庆建设工业(集团)有限责任公司 | Damage-proof elastic spring pulling mechanism and working method thereof |
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| CN102288069A (en) * | 2011-06-16 | 2011-12-21 | 南京理工大学 | Coordinator capable of achieving filling under condition of dynamic and random firing angle |
| CN103453798A (en) * | 2012-05-29 | 2013-12-18 | 四川华庆机械有限责任公司 | High radio frequency closed type ammunition-belt-removing ammunition-supplying mechanism |
| CN106767131A (en) * | 2016-12-13 | 2017-05-31 | 南京理工大学 | A kind of electronic starting filling device of gun |
| CN207570400U (en) * | 2017-12-19 | 2018-07-03 | 重庆建设工业(集团)有限责任公司 | A kind of middle small-bore machine gun Ramming Device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008130460A2 (en) * | 2007-01-10 | 2008-10-30 | Gamma Kdg, Systems Sa | Improvements to firearm with enhanced recoil and control characteristics |
| DE102008060215A1 (en) * | 2008-12-04 | 2010-06-10 | Rheinmetall Waffe Munition Gmbh | Drive and quick stop for a weapon with preferably linear closure or ammunition supply |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288069A (en) * | 2011-06-16 | 2011-12-21 | 南京理工大学 | Coordinator capable of achieving filling under condition of dynamic and random firing angle |
| CN103453798A (en) * | 2012-05-29 | 2013-12-18 | 四川华庆机械有限责任公司 | High radio frequency closed type ammunition-belt-removing ammunition-supplying mechanism |
| CN106767131A (en) * | 2016-12-13 | 2017-05-31 | 南京理工大学 | A kind of electronic starting filling device of gun |
| CN207570400U (en) * | 2017-12-19 | 2018-07-03 | 重庆建设工业(集团)有限责任公司 | A kind of middle small-bore machine gun Ramming Device |
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| Publication number | Publication date |
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| CN108007261A (en) | 2018-05-08 |
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