阅读说明：本技术 一种气动枪械枪机后坐能量调节机构 (Pneumatic firearms rifle bolt recoil energy adjustment mechanism ) 是由 彭璐 王太平 朱应秋 龚会 黄宜民 胡永勇 沈潇 唐成刚 武旭飞 庞方跃 于 2019-09-20 设计创作，主要内容包括：本发明提供一种气动枪械枪机后坐能量调节机构,包括枪机、枪机拉杆、储气室、气室连接座、枪管座,气室连接座一端伸入储气室,另一端螺纹连接放气阀,放气阀内设有气阀顶杆,放气阀外部设有气阀座,气阀座铰接气阀锁,气阀锁后端用于锁住或解锁气阀顶杆使气路连通或断开,枪管座设有复位扭簧,用于气阀锁解锁后的复位,枪机拉杆设有阶梯滑槽,阶梯滑槽下方固接调节块,枪机后坐时,调节块撞击气阀锁将气阀锁解脱,气阀顶杆关闭放气阀,当调节块设置在阶梯滑槽内不同位置时,枪机撞击气阀锁的距离不同,使枪机在后坐过程中获得不同的后坐能量。本机构实现枪机后坐能量调节,满足不同使用者对后坐力不同需求,解决不同气压下枪机后坐能量不同的问题。(The invention provides a pneumatic firearm bolt recoil energy regulating mechanism which comprises a bolt, a bolt pull rod, an air storage chamber, an air chamber connecting seat and a bolt seat, wherein one end of the air chamber connecting seat extends into the air storage chamber, the other end of the air chamber connecting seat is in threaded connection with an air release valve, an air valve ejector rod is arranged in the air release valve, an air valve seat is arranged outside the air release valve, the air valve seat is hinged with an air valve lock, the rear end of the air valve lock is used for locking or unlocking the air valve ejector rod to enable an air passage to be communicated or disconnected, the bolt seat is provided with a reset torsion spring used for resetting after the air valve lock is unlocked, the bolt pull rod is provided with a stepped sliding groove, a regulating block is fixedly connected below the stepped sliding groove, when the bolt recoils, the regulating block impacts the air valve lock to release the air valve lock, the air valve ejector rod closes the air release valve, and when the regulating block is arranged. The mechanism realizes the adjustment of the energy of the recoil of the bolt, meets different requirements of different users on recoil force, and solves the problem of different energies of the recoil of the bolt under different air pressures.)

1. The utility model provides a pneumatic firearms rifle bolt recoil energy adjustment mechanism, includes the rifle bolt, fixes the rifle bolt pull rod at the rifle bolt top, rifle bolt the place ahead is equipped with the gas receiver of placing the gas cylinder, be equipped with the air chamber connecting seat in the rifle bolt, the nozzle base is cup jointed to air chamber connecting seat outside, air chamber connecting seat one end stretches into in the gas receiver, and other end threaded connection bleed valve is equipped with inlet channel in the air chamber connecting seat, in this inlet channel is arranged in to bleed valve one end, be equipped with the pneumatic valve ejector pin of control gas circuit break-make in the bleed valve, set up and open the bleed valve at the hammer percussion pneumatic valve ejector pin of pneumatic valve ejector pin: the air valve seat is arranged at the position, close to the end face of the air chamber connecting seat, of the exterior of the air release valve, the air valve lock is hinged to the upper portion of the air valve seat, the air valve lock can swing up and down around a hinged point, the rear end of the air valve lock is used for locking or unlocking the air valve ejector rod to enable an air path to be communicated or disconnected, the upper portion of the gun barrel seat is provided with a reset torsion spring, two ends of the reset torsion spring are respectively abutted against the air valve lock and the air chamber connecting seat and used for resetting after the air valve lock is unlocked, the pulling rod of the gun trigger is longitudinally provided with a stepped sliding groove, a regulating block is fixedly connected below the stepped sliding groove and is arranged in front of the air valve lock, when the gun trigger is pushed by air to sit backwards, the regulating block moves backwards along with the gun trigger to impact the air valve lock to release the air valve lock, the air valve ejector rod closes the air release valve, when the regulating block is arranged, so that the bolt can obtain different recoil energy in the recoil process.

2. The pneumatic firearm bolt recoil energy adjustment mechanism of claim 1, further comprising: when the air pressure in the air storage chamber is low or the environmental temperature is low, the adjusting block is arranged at the front end of the stepped sliding groove of the pull rod of the gun bolt, the distance of the adjusting block impacting the air valve lock is increased, the time for closing the air valve lock in the gun bolt recoil process is prolonged, and the gun bolt can obtain recoil energy the same as that of high-pressure air in the recoil process.

3. The setting energy adjusting mechanism of a pneumatic firearm bolt according to claim 1 or 2, characterized in that: the regulating block is inverted trapezoid, and when the regulating block moves along with the gun bolt, the trapezoid inclined plane impacts the front end of the air valve lock to unlock the air valve lock.

4. The pneumatic firearm bolt recoil energy adjustment mechanism of claim 3, wherein: the rear end of the air valve lock is in a hook shape, and the front end of the air valve lock is provided with an arc-shaped surface which is matched with the trapezoidal inclined surface of the adjusting block.

5. The pneumatic firearm bolt recoil energy adjustment mechanism of claim 1, further comprising: the air valve ejector rod is sleeved with a reset spring, the reset spring is arranged between the air valve ejector rod and the air release valve, when the air valve ejector rod is locked by the air valve lock, the reset spring is squeezed, the air release valve is opened by the air valve ejector rod, air enters the air release valve, and after the air valve lock is knocked by the adjusting block to release the air valve lock, the air valve ejector rod closes the air release valve under the action of the reset spring.

Technical Field

The invention relates to the technical field of pneumatic firearms, in particular to a recoil energy adjusting mechanism of a pneumatic firearm bolt.

Background

At the present stage, the simulated firearm with the firearm recoil structure and the projectile launched by the compressed gas does not have the firearm recoil energy adjusting function, the requirements on the use environment temperature during the use of the firearm are harsh, particularly when the environment temperature is low, the radio frequency of the firearm is obviously reduced, and even the condition that the projectile is not supplied due to the fact that the firearm cannot recoil is generated.

For example, an AR-like rifle and a GLOCK 17-like pistol which shoot BB bullets by violent compressed gas (chlorofluoromethane and chlorofluoroethane) are adopted, the reliability of the pistol is good when the ambient temperature is about 25 ℃, and the movement cycle time of the pistol is close to that of a real pistol. But when the temperature is lower than 10 ℃, the pressure of compressed gas is suddenly reduced, so that the recoil speed of the gunlock is obviously reduced, the radio frequency of the firearm is obviously reduced, and the empty bin can not be hung up due to the improper recoil of the gunlock,

in addition, different users are different to the demand of pneumatic firearms recoil during the shooting, and the recoil energy of bolt can't be adjusted to current pneumatic rifle, and the experience simulation real rifle that can not be better carries out the recoil sense of live ammunition shooting, and when atmospheric pressure is lower or ambient temperature was lower, produced recoil energy when can't reach the high-pressure gas shooting influences the normal use of firearms.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a pneumatic firearm bolt recoil energy adjusting mechanism, which realizes the adjustment of the bolt recoil energy by fixedly connecting an adjusting block on a bolt pull rod and adjusting the position of the adjusting block according to the air pressure or the required recoil energy, meets the different requirements of different users on the recoil force of the pneumatic firearm and solves the problem of different bolt recoil energies under different air pressures.

The invention relates to a recoil energy regulating mechanism of a pneumatic firearm bolt, which comprises a bolt and a bolt pull rod fixed at the top of the bolt, wherein a gas storage chamber for placing a gas cylinder is arranged in front of the bolt, a gas chamber connecting seat is arranged in the bolt, a bolt tube seat is sleeved outside the gas chamber connecting seat, one end of the gas chamber connecting seat extends into the gas storage chamber, the other end of the gas chamber connecting seat is in threaded connection with a gas release valve, a gas inlet channel is arranged in the gas chamber connecting seat, one end of the gas release valve is arranged in the gas inlet channel, a gas valve ejector rod for controlling the on-off of a gas path is arranged in the gas release valve, a hammer arranged at the rear end of the gas valve ejector rod triggers the gas valve ejector rod to open the gas release valve, a gas valve seat is arranged outside the gas release valve and close to the end face of the gas chamber connecting seat, the gun tube seat upper portion is equipped with the torsional spring that resets, and the torsional spring both ends that reset respectively contradict with pneumatic valve lock and air chamber connecting seat for the restoration after the pneumatic valve lock unblock, the rifle bolt pull rod has vertically seted up the ladder spout, ladder spout below fixed connection regulating block, the regulating block sets up in pneumatic valve lock the place ahead, when the rifle bolt is the recoil under gaseous promotion, the regulating block is along with the rifle bolt backward movement striking pneumatic valve lock and is detached pneumatic valve lock, and the bleed valve is closed to the pneumatic valve ejector pin, when the regulating block sets up different positions in the ladder spout, the distance that the rifle bolt is sat the in-process after to strike pneumatic valve lock is different, and the length of time of closing the bleed valve is different in the rifle bolt is sat the in-process after, makes the rifle bolt obtain different recoil energy in the.

Furthermore, when the air pressure in the air storage chamber is low or the environmental temperature is low, the adjusting block is arranged at the front end of the stepped sliding groove of the draw bar of the gun bolt, the distance of the adjusting block impacting the air valve lock is increased, the time for closing the air valve lock in the gun bolt recoil process is prolonged, and the gun bolt can obtain recoil energy which is the same as that of high-pressure air in the recoil process.

Furthermore, the regulating block is inverted trapezoid, and when the regulating block moves along with the gunlock, the trapezoid inclined plane impacts the front end of the air valve lock to unlock the air valve lock.

Furthermore, the rear end of the air valve lock is in a hook shape, and the front end of the air valve lock is provided with an arc-shaped surface which is matched with the trapezoidal inclined surface of the adjusting block.

Furthermore, the air valve ejector rod is sleeved with a reset spring, the reset spring is arranged between the air valve ejector rod and the air release valve, when the air valve ejector rod is locked by the air valve lock, the reset spring is extruded, the air valve ejector rod opens the air release valve, air enters the air release valve, and when the air valve lock is impacted by the adjusting block to release the air valve lock, the air valve ejector rod closes the air release valve under the action of the reset spring.

The invention has the beneficial effects that:

1. through fixed connection regulating block on the bolt pull rod, when the regulating block is in the different positions of the front and back of bolt, the bolt is different at the opportunity of reseating the in-process release pneumatic valve lock and closing the bleed valve, under the circumstances of atmospheric pressure invariant, make gaseous length of doing work to the bolt different, thereby make the bolt obtain different recoil energy, satisfy the different demands of user to pneumatic firearms recoil, increase the recoil sense that real rifle can be simulated better to carry out the live ammunition shooting, suitably reduce the recoil and can improve gaseous use economic nature again. .

2. When atmospheric pressure is lower or ambient temperature is lower, through adjusting the regulating block forward, can improve rifle bolt recoil energy, produced recoil energy when making pneumatic firearms can obtain high-pressure gas shooting guarantees the reliability that pneumatic firearms used.

3. In the production process of the pneumatic firearm, the bolt recoil energy adjusting mechanism can also make up for the reliability problem caused by part deviation in production and manufacturing, so that the precision requirement of part machining is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention in a lower squat energy state;

FIG. 2 is a schematic structural view of the present invention in a higher squat energy state.

In the drawings: 1-gun, 2-gun pull rod, 3-air storage chamber, 4-air chamber connecting seat, 5-gun tube seat, 6-air release valve, 7-air valve ejector rod, 8-hammer, 9-air valve seat, 10-air valve lock, 11-reset torsion spring, 12-adjusting block, 13-reset spring and 201-step chute.

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 position of the air reservoir is defined as the front.

The recoil energy adjusting mechanism of the pneumatic firearm bolt shown in fig. 1 and 2 comprises a bolt 1 and a bolt pull rod 2 fixed at the top of the bolt, wherein a gas storage chamber 3 for storing a gas cylinder is arranged in front of the bolt 1, a gas chamber connecting seat 4 is arranged in the bolt 1, a bolt seat 5 is sleeved outside the gas chamber connecting seat 4, one end of the gas chamber connecting seat 4 extends into the gas storage chamber 3, the other end of the gas chamber connecting seat is connected with a gas release valve 6 in a threaded manner, a gas inlet channel is arranged in the gas chamber connecting seat 4, one end of the gas release valve 6 is arranged in the gas inlet channel, a gas valve ejector rod 7 for controlling the on-off of a gas path is arranged in the gas release valve 6, a hammer 8 arranged at the rear end of the gas valve ejector rod 7 triggers the gas valve ejector rod 7 to open the gas release valve 6, a gas valve seat 9 is arranged outside the gas release valve 6 and close, the rear end of the air valve lock 10 is used for locking or unlocking the air valve ejector rod 7 to enable an air passage to be communicated or disconnected, the upper portion of the gun barrel seat 5 is provided with a reset torsion spring 11, two ends of the reset torsion spring 11 are respectively abutted against the air valve lock 10 and the air chamber connecting seat 4 and used for resetting after the air valve lock 10 is unlocked, the gun trigger pull rod 2 is longitudinally provided with a step sliding groove 201, a regulating block 12 is fixedly connected below the step sliding groove 201, the regulating block 12 is arranged in front of the air valve lock 10 and is spaced from the front end of the air valve lock by a certain distance, when the gun trigger 1 sits at a certain distance under the pushing of air, the regulating block 12 impacts the air valve lock 10 to release the air valve lock when moving backwards along with the gun trigger 1, the air valve ejector rod 7 is closed, when the regulating block 12 is arranged at different positions in the step sliding groove 201, the distance of impacting the air valve lock in the gun trigger sitting process is different, and the duration, so that the bolt can obtain different recoil energy in the recoil process.

In this embodiment, when the air pressure in the air storage chamber 3 is low or the ambient temperature is low, the adjusting block 12 is disposed at the front end of the bolt pulling rod stepped sliding groove 201, so as to increase the distance of the adjusting block impacting the air valve lock, and prolong the time of closing the air valve lock in the bolt recoil process, so that the bolt obtains the recoil energy same as that of the high-pressure gas in the recoil process.

In this embodiment, the adjusting block 12 is set to be inverted trapezoid, when the adjusting block 12 moves along with the bolt face 1, the trapezoid inclined surface impacts the front end of the air valve lock to unlock the air valve lock 10, the rear end of the air valve lock 10 is hook-shaped, and the front end is provided with an arc-shaped surface which is matched with the trapezoid inclined surface of the adjusting block.

In this embodiment, the air valve ejector rod 7 is sleeved with a reset spring 13, the reset spring 13 is arranged between the air valve ejector rod 7 and the air release valve 6, when the air valve ejector rod is locked by the air valve lock, the reset spring is squeezed, the air valve ejector rod opens the air release valve, air enters the air release valve, and when the air valve lock is impacted by the adjusting block to release the air valve lock, the air valve ejector rod closes the air release valve under the action of the reset spring.

As shown in fig. 1, a in fig. 1 represents an open state of the air valve when the air gun is in a low energy state, B in fig. 1 represents a closed state of the air valve when the air gun is in a low energy state, when the air gun needs low recoil energy, the adjusting block 12 is fixedly installed at the rear end of the stepped sliding groove 201, and the distance between the adjusting block 12 and the air valve lock 10 in an initial rest state is set to be X₁When the bolt 1 moves backwards L₁When the air valve is in the closed position, the adjusting block 12 impacts the air valve lock 10 to enable the air valve lock 10 to be completely separated from the air valve ejector rod 7, the air valve ejector rod 7 closes the air release valve 6 under the action of the reset spring 13 and air pressure, and air stops acting on an air cylinder on the gun bolt.

As shown in fig. 2, a in fig. 2 represents the state in which the gas valve is open when the air gun is in a higher energy state, and B in fig. 2 represents the state in which the gas valve is closed when the air gun is in a higher energy state. When the gun bolt needs higher recoil energy, the adjusting block 12 is fixedly arranged at the front end of the step sliding groove 201, and the distance between the adjusting block 12 and the air valve lock 10 in the initial static stateX₂Larger, when the bolt moves backwards L₂The air release valve is closed only when the distance is within the preset range.

The working strokes of the gas in the two states of fig. 1 and 2 are respectively L₁And L₂Assuming that the gas forces in the two states are respectively F₁And F₂The magnitude of the gas acting is F₁L₁And F₂ L₂F can be realized within a certain range by adjusting the position of the adjusting block 12₁L₁＝F₂ L₂Thereby realizing the purpose of keeping the recoil unchanged under different air pressures; in addition, when F₁＝F₂In time, can make the firearms obtain different recoil energy, satisfy different users to the different demands of recoil.

In the invention, when the environment temperature of the pneumatic firearm is higher or high-pressure gas (such as compressed carbon dioxide gas) is used, the adjusting block can be adjusted to the rear end position in the stepped sliding groove of the draw bar of the bolt machine shown in fig. 1, so that overlarge recoil energy caused by high air pressure is avoided.

When the environment temperature of the pneumatic firearm is low or low-pressure gas is used (such as violent gas), the adjusting block can be adjusted to the front end position in the stepped sliding groove of the draw bar of the firearm shown in fig. 2, so that the phenomenon of insufficient recoil energy caused by low air pressure is improved.

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.