CN206609353U - A kind of bullet multi-stage launch mechanism - Google Patents

Abstract

The utility model provides a kind of multistage flying wheel group ballistic projections mechanism, including flywheel group more than two, every group of flywheel group includes two or more flywheels, the flywheel outer wall is inner concave, the inner concave of all flywheel outer walls complements each other to form the launch site for exciting bullet, each flywheel is driven by motor, what the rotating speed of flywheel group more than two was incremented by by bullet upstream end to ejecting end.Every group of flywheel has two, and two flywheel structures are identical, and two flywheels turn to opposite.Every group of flywheel has more than three, the flywheel shape of more than three is identical and is sequentially placed, the central shaft of more than three flywheels is in same plane, the central shaft formation regular polygon of the flywheel of more than three, the steering of the flywheel of more than three is identical, and the region between the outer wall of the flywheel of more than three forms launch site.

Description

A kind of bullet multi-stage launch mechanism

Technical field

The utility model is related to ballistic projections device field, particularly a kind of bullet multistage transmitter for explosion-proof rifle Structure.

Background technology

In known technology, the sudden and violent firearms in common police town, are typically, using gunpowder or compressed gas as power, to launch all kinds of Standard or non-service ammunition.Equipped law enforcement agency using gunpowder as power more, launch the sudden and violent firearms in all kinds of towns of standard bullet.Using gunpowder as The sudden and violent firearms in town of launch power, its ammunition launched generally can be divided into lethal ammunition and non-lethal ammunition.The former is used to kill Hinder, subdue and disperse a mob and disturbance crowd, the latter is then used to intimidate, mark, follow the trail of target group.Lethal ammunition can divide again For mortality antipersonnel ammunition and non-lethal antipersonnel ammunition.The former ammunition warhead is more with the single of the hard materials such as metal manufacture Or based on multiple solid or hollow bullet, then single or multiple solid or sky is made using soft materials such as rubber in the latter warhead Heart bullet, deformation and elasticity using elastomeric material, extend contact time at increase bullet and human contact's area, and with transmitting Low speed is realized in medicine fractional charge, and low lethality purpose is realized jointly.

2005, China was the new 9mm revolver that policing system is allotted, while rubber pellet is also equipped with first, It is that China's police equipment adds a new selection again the need on duty city and arrest.

But gunpowder is used for the sudden and violent firearms in the town that power is launched, even if the rubber pellet for the low lethality of low speed of its transmitting, During close range shooting target vulnerability also can causing death, therefore " its can not be identified as be control mass behavior effectively arrange Apply ".According to statistics, between 1970 to 1975, the British army causes 13 people dead altogether in Northern Ireland using 5.5 ten thousand rubber pellets, The death rate is 1.8 a ten thousandths, and severely injured ratio then reaches 1/800th.According to 1987 to 1993 Palestinian zivile Opfers Autopsy Report, the rubber pellet of Israeli troops' transmitting at least causes 20 people dead, and non-government organization's investigation result is shown, the same period The number of Israeli troops rubber pellet is died from more than 60 people.International peacekeeping is organized in appearance policy in 2007, temporarily disables rubber pellet.

Even the rubber pellet of low lethality, when controlling, paralysing and dispersing a crowd target, target can also be produced not Controllable lethality.Reason is that rubber pellet hardness and intensity are still excessive.

The lethality of the sudden and violent firearms institute emission bullet in town is further reduced, can only be to reduce bullet speed, or using more Material manufacture bullet two ways soft or that intensity is lower.

If further to reduce gun propellant charge amount, reducing lethality in the method for reducing bullet initial velocity, then bullet occur Medicine speed is too low, and range declines, it is impossible to effectively hit the mark.

Under conditions of ammunition emission rate is not reduced, more soft material can not be used to manufacture bullet again.Because more Plus soft material, it is impossible to it is subjected to the high temperature of powder power, gun barrel gun pressure and the friction between gun barrel, bullet not and goes out Thorax, has just burnt or has damaged.

Therefore, how to realize and the lower bullet of more soft, Material Strength is launched with high initial speed, be the sudden and violent rifle in current police town The technical barrier that tool is faced.By document, patent retrieval and investigation, not yet find that the full sea of high initial speed transmitting can be realized at present The trigger mechanism of continuous proton bullet or similar soft material bullet.

Utility model content

Utility model purpose：Technical problem to be solved in the utility model is that there is provided one in view of the shortcomings of the prior art Plant bullet multistage transmitter structure.

In order to solve the above-mentioned technical problem, the utility model provide a kind of bullet multi-stage launch mechanism, including two groups with On flywheel group, every group of flywheel group include two or more flywheels, described two or more than two flywheel outer walls it Between region form launch site, each flywheel drives by motor, and the rotating speed of flywheel group more than two is by bullet upstream end It is incremented by ejecting end.

In the utility model, the flywheel outer wall is inner concave, and the inner concave of all flywheel outer walls complements each other to form use In the launch site for exciting bullet.

In the utility model, every group of flywheel has two, and two flywheel structures are identical, and two flywheels turn to opposite.

In the utility model, every group of flywheel has the flywheel shape of more than three, more than three identical and is sequentially placed, Flywheel of the central shaft of more than three flywheels more than same plane, three central shaft formation regular polygon, three with On flywheel steering it is identical, region between the outer wall of the flywheel of more than three forms launch site.

In the utility model, the inner concave of described two flywheels designs for axial symmetry.

In the utility model, the flywheel includes wide mouth end and slot end, and flywheel diameter is to pass by slot end to wide mouth end Increase, flywheel is indent circular arc by the outer wall at slot end to wide mouth end.

In the utility model, every group of flywheel has two, including the flywheel of structure identical first and the second flywheel, described First flywheel and the second flywheel position is are set up in parallel, and the slot end of the wide mouth end of the first flywheel and the second flywheel is in side, and the The slot end of one flywheel is with the wide mouth end of the second flywheel in side, and the indent circular arc of the first flywheel is justified with the indent of the second flywheel Region between arc is launch site.

In the utility model, first flywheel is driven with the second flywheel by motor, and motor is arranged on inside flywheel, described First flywheel is turned to the second flywheel on the contrary, first flywheel is parallel with the second flywheel.

In the utility model, the center of gravity of the flywheel and motor is in launch site center.

In the utility model, every group of flywheel has two, and flywheel includes different the 3rd flywheels and the 4th flywheel of structure, 3rd flywheel includes the 3rd flywheel wide mouth end and the 3rd flywheel slot end, and the 4th flywheel includes the 4th flywheel wide mouth end and the 4th and flown Slot end is taken turns, the 3rd flywheel slot end is incremented by the 3rd flywheel wide mouth end diameter, the slot end of the 4th flywheel to wide mouth end What diameter was incremented by, the 3rd flywheel is placed side by side with the 4th flywheel, between the 3rd flywheel and the indent circular arc of the 4th flywheel Region is launch site.

In the utility model, every group of flywheel has three, and three flywheel shapes are identical and are sequentially placed, and described three fly The central shaft of wheel is in same plane, and the central shaft formation equilateral triangle of three flywheels, the steering of three flywheels is identical, three flywheels Outer wall between region be launch site.

The utility model can be applied to baton gun.

Beneficial effect：The utility model is accelerated using multistage flying wheel, is launch power without using gunpowder and is set without gun barrel Meter, it is to avoid bullet bears high temperature, gun pressure and the friction with gun barrel so that use can not bear high temperature, high pressure, the class of high abrasion It is possibly realized like the soft low lethal material manufacture bullet of the low-intensity such as sponge.Multistage flying wheel group acceleration mechanism, makes sponge bullet Acceleration time extends, and repeatedly accelerates, and on the one hand obtains more high emission initial velocity, on the other hand avoids intensity excessive disposable wink Between accelerate, bear the limit more than bullet material and damaged before injection.

Brief description of the drawings

The utility model is done with reference to the accompanying drawings and detailed description and further illustrated, the utility model Above-mentioned or otherwise advantage will become apparent.

Fig. 1 is the multistage flying wheel group schematic diagram of embodiment 1；

Fig. 2 is flywheel schematic diagram in embodiment 1；

Fig. 3 is the multistage flying wheel schematic diagram of embodiment 2；

Fig. 4 is the schematic diagram of embodiment 3；

Fig. 5 is the ballistic projections schematic diagram of embodiment 3；

Fig. 6 a are the flywheel front views of embodiment 3；

Fig. 6 b are the flywheel right views of embodiment 3；

Fig. 6 c are the flywheel top views of embodiment 3；

Fig. 7 is the schematic diagram of embodiment 4；

Fig. 8 is the flywheel schematic diagram of embodiment 5；

Fig. 9 is the transmitting schematic diagram of embodiment 5.

Embodiment

The utility model is elaborated below in conjunction with accompanying drawing.

A kind of multi-stage launch mechanism includes more than one group of flywheel group 15, and bullet accelerates to project step by step in the middle of flywheel group. Every group of flywheel group 15 includes two flywheels, such as Fig. 1, it would however also be possible to employ three flywheels constitute a flywheel group 19, such as Fig. 2.

Embodiment 1：

Such as Fig. 3, every group of flywheel includes the flywheel 16 that two identicals are driven by motor 17, two structures, shape and size Identical thin-walled hollow flywheel shaft is symmetrical arranged, the inner concave formation launch site 18 of two flywheels, launch site 18 and bullet Adaptation, bullet by when, to bullet accelerate.

Speed of Reaction Wheels in each flywheel group is identical, turns on the contrary, between bullet upstream end to ejecting end, flywheel group What rotating speed was incremented by, the first Speed of Reaction Wheels V1, second group of Speed of Reaction Wheels V2 ..., then n-th group Speed of Reaction Wheels Vn, Vn>…>V2> V1.The spacing of each single freewheel group is more than bullet length, to ensure that bullet will not be due to the speed difference quilt between flywheel groups at different levels Break.Three-level flywheel is such as used, the flywheel group rotating speed close to ballistic projections end can be set and turned as 20000 revs/min, middle flywheel group Speed is 35000 revs/min, ejecting end flywheel group rotating speed is 50000 revs/min.

Specifically, when in use, arranged by the coplanar coaxial line of multiple single freewheel groups, be concatenated into multistage flying wheel group.Turn Speed is improved step by step, when bullet enters the minimum first order flywheel of rotating speed by inactive state, is accelerated by this grade of flywheel group, due to the One-level flywheel group rotating speed controls bearing in limit range in bullet material, therefore bullet obtains the top that can be born Acceleration.Leave after first order flywheel, the bullet with certain initial velocity enters second level flywheel group, second level flywheel group rotating speed Higher than first order flywheel group, it is more than bullet length with first order flywheel group spacing, therefore bullet will not be broken by speed discrepancy.Second Level flywheel group is less than first order flywheel group rotating speed with first order flywheel group speed discrepancy, and the relative acceleration intensity that bullet is obtained still exists In material tolerance range, bullet is again speeded up to greatest extent.Follow-up flywheel group follows this rule, and bullet obtains three successively Secondary, four acceleration, until after afterbody flywheel group accelerates, bullet is projected with maximal rate.

In the present embodiment, flywheel group series, rotating speed, spacing, bullet size, by firearm design demand and existing equipment, material The performance (such as Motor torque, rotating speed, battery discharge ability) of material carries out integrating determination.

Embodiment 2：

Embodiment 2, by the flywheel in embodiment 1, three compositions, one group of flywheel group, three flywheel shapes are identical and put successively Put, such as Fig. 2, the central shaft of three flywheels is in same plane, the central shaft formation equilateral triangle of three flywheels, three flywheels Steering it is identical, region between the outer wall of three flywheels is launch site.

Embodiment 3：

Used in embodiment 1 without gun barrel design, therefore without rifling.For obtain stable trajectory, bullet need from swirl effect, Then with the oblique opposed scheme of the positive flywheel group of symmetrical expression, or the scheme such as to be arranged symmetrically real for just opposed, the center of circle of slant edge platform flywheel group It is existing.

Such as Fig. 4 to Fig. 6 b, embodiment 3 discloses a kind of symmetrical expression slant edge platform flywheel group, including two structures, shape and chi Very little identical thin-walled hollow flywheel 1 and 7, flywheel includes outer wall 2, motor 3, slot end 4, wide mouth end 5, launch site 6 and son Bullet 8, each flywheel is equipped with motor shaft mounting hole.

The single flywheel section vertical with X-axis, is shaped as oblique terrace edge shape.Hollow thin-wall structure, flywheel surface and toy Soft bullet contact portion, is regular arc surface, to increase the contact area of flywheel and soft bullet, improves kinetic energy transmission efficiency.The section Middle arc surface and junction at the top of terrace with edge, it is tangent with horizontal flywheel shaft parallel lines (X-axis parallel lines).Flywheel is provided with and fly-wheel motor Axle is in coplanar transverse pattern.

Symmetrical expression slant edge platform flywheel material is plastics matter or light alloy material.Plastics flexible material is such as used, With motor shaft fixed form using extruding plug-in mounting, bore dia is installed and is slightly less than the motor shaft diameter of axle, by plug-type tight Close extruding is fixed.Alloy in lightweight is such as used, is fixed with motor shaft fixed form using interior hexagonal grub screw, mounting hole is straight Footpath is equal or slightly larger than motor shaft diameter, and neck reserves screw hole, is fixed by interior hexagonal grub screw locking motor axle.

Flywheel group each several part size, the parameter such as material, required motor load reached, can be pressed according to used in manufacture Different proportion is determined.

In addition, for the soft bullet rifle of toy without flywheel storehouse or without gun barrel, soft bullet is in without lateral confinement state, can suitably damaged Lose partial frictional kinetic energy, it is not necessary to using flywheel surface and junction at the top of terrace with edge and the tangent scheme of X-axis parallel lines, and use flywheel Surface cambered surface is less than 90 degree of designs with terrace with edge top surface exterior normal angle.

Specifically, the mode that the present embodiment function is realized is as shown in Figure 4：When in use, using motor flywheels device heteropleural Just opposed mode arranges, both can be vertical opposed side by side up and down, can also left and right horizontal it is opposed side by side.Two flywheels of flywheel group are different To rotation, direction is directed to the soft bullet direction of the launch of toy.When the soft bullet of toy is pushed into high speed rotary flyweights, squeezed by flywheel surface Pressure, produces larger frictional force, and direction points to the direction of the launch, and bullet is thrown out of to form transmitting.Simultaneously as flywheel is oblique Terrace with edge flywheel, under flywheel angular velocity of rotation the same terms, flywheel linear resonance surface velocity formation difference, after being contacted with soft bullet, soft bullet Upper table is deflected at side flywheel terrace with edge top upwardly, and soft bullet following table is deflected at side flywheel terrace with edge top downwards, upper and lower surface deflection side To on the contrary, so as to produce rubbing effect to the soft bullet of toy, can so be formed from swirl effect.

Embodiment 4：

As Fig. 5 present embodiments provides a kind of asymmetric slant edge platform flywheel group, including two structures, shapes are different, but Side section orthographic projection outer contour shape and size identical thin-walled hollow flywheel, only flywheel change with motor connection end position. Each flywheel is equipped with motor shaft mounting hole.

Specifically, mode such as Fig. 5 that the present embodiment function is realized：When in use, it is just right using flywheel group/group of motors homonymy The mode of putting arranges, both can be vertical opposed side by side up and down, can also left and right horizontal it is opposed side by side.The incorgruous rotation of two flywheels of flywheel group Turn, direction is directed to the soft bullet direction of the launch of toy.When the soft bullet of toy is pushed into high speed rotary flyweights, extruded by flywheel surface, Larger frictional force is produced, direction points to the direction of the launch, and bullet is thrown out of to form transmitting.Simultaneously as flywheel is slant edge Platform flywheel, under flywheel angular velocity of rotation the same terms, flywheel linear resonance surface velocity formation difference, after being contacted with soft bullet, on soft bullet Surface is deflected at side flywheel terrace with edge top downwards to deflection at the top of the flywheel terrace with edge of upside, soft bullet following table, upper and lower surface yawing moment On the contrary, so as to produce rubbing effect to the soft bullet of toy, can so be formed from swirl effect.

Embodiment 5：

Present embodiments provide a kind of slant edge platform flywheel group of center of circle symmetrical expression arrangement, including three structures, shape and chi Very little identical thin-walled hollow flywheel 11,12 and 13, in addition to launch site 14.Each flywheel is equipped with motor shaft mounting hole.

Flywheel is identical with flywheel in embodiment 1 in the present embodiment.

Specifically, the mode that the present embodiment function is realized is as shown in Figure 8 and Figure 9：When in use, three flywheels use flywheel Group/group of motors center of circle is arranged symmetrically, and both can clockwise be arranged, and can also counterclockwise be arranged above.Flywheel group it is many Individual flywheel direction of rotation is directed to the soft bullet direction of the launch of toy.When the soft bullet of toy is pushed into high speed rotary flyweights, by tourbillon Face (grey signal surface) is extruded, and produces larger frictional force, and direction points to the direction of the launch, and bullet is thrown out of to form hair Penetrate.Simultaneously as flywheel is slant edge platform flywheel, under flywheel angular velocity of rotation the same terms, flywheel linear resonance surface velocity forms difference Different, after being contacted with soft bullet, soft bullet upper table is deflected at side flywheel terrace with edge top upwardly, and soft bullet following table is downwards at the top of side flywheel terrace with edge Deflection, upper and lower surface yawing moment are on the contrary, so as to produce rubbing effect to the soft bullet of toy, can so form from swirl effect.It is soft In bullet and flywheel contact process, except by addition to pointing to the direction of the launch, the frictional force in free direction, also by from least three It is symmetrical in the center of circle, center of circle direction, equal-sized pressure are pointed to, so as to produce self-balancing rental, trajectory binding effect is reached.

Embodiment 6：

In the present embodiment, bullet is soft bullet, is used for Toy gun for child.The diameter of soft bullet is adapted to launch site.

Embodiment 7：

Further, this bullet trigger mechanism can be made up of multiple flywheels, multiple flywheel formation regular polygons, Duo Gefei Region between the outer wall of wheel is launch site, is adapted to bullet.

The utility model provides a kind of bullet multi-stage launch mechanism, implements the method and approach of the technical scheme very Many, described above is only preferred embodiment of the present utility model, it is noted that for those skilled in the art For, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications It should be regarded as protection domain of the present utility model.Each part being not known in the present embodiment can use prior art to be subject to reality It is existing.

Claims (10)

1. a kind of bullet multi-stage launch mechanism, it is characterised in that including more than two flywheel groups, each flywheel group includes two Or more than two flywheels, the region between described two or more than two flywheel outer walls forms launch site, described each to fly Wheel is driven by motor, what the rotating speeds of more than two flywheel groups was incremented by by bullet upstream end to ejecting end.

2. a kind of bullet multi-stage launch mechanism according to claim 1, it is characterised in that the flywheel outer wall is indent Face, the inner concave of all flywheel outer walls complements each other to form the launch site for exciting bullet.

3. a kind of bullet multi-stage launch mechanism according to claim 1, it is characterised in that each flywheel group has two Individual, two flywheel structures are identical, and two flywheels turn to opposite.

4. a kind of bullet multi-stage launch mechanism according to claim 1, it is characterised in that every group of flywheel have three with On, the flywheel shape of more than three is identical and is sequentially placed, the central shafts of more than three flywheels in same plane, three with On flywheel central shaft formation regular polygon, the steering of the flywheel of more than three is identical, the outer wall of the flywheel of more than three it Between region formed launch site.

5. a kind of bullet multi-stage launch mechanism according to claim 3, it is characterised in that the inner concave of described two flywheels Designed for axial symmetry.

6. a kind of bullet multi-stage launch mechanism according to claim 3, it is characterised in that the flywheel include wide mouth end and Slot end, flywheel diameter is incremented by by slot end to wide mouth end, and flywheel is interior concave arc by the outer wall at slot end to wide mouth end Shape.

7. a kind of bullet multi-stage launch mechanism according to claim 6, it is characterised in that every group of flywheel has two, Including the flywheel of structure identical first and the second flywheel, first flywheel is with the second flywheel position to be set up in parallel, and first flies The slot end of the wide mouth end of wheel and the second flywheel in side, the slot end of the first flywheel with the wide mouth end of the second flywheel in side, Region between the indent circular arc of first flywheel and the indent circular arc of the second flywheel is launch site.

8. a kind of bullet multi-stage launch mechanism according to claim 7, it is characterised in that first flywheel and second flies Wheel is driven by motor, and motor is arranged on inside flywheel, first flywheel and the second flywheel turn on the contrary, first flywheel and Second flywheel is parallel.

9. a kind of bullet multi-stage launch mechanism according to claim 6, it is characterised in that every group of flywheel has two, Flywheel includes different the 3rd flywheels and the 4th flywheel of structure, and the 3rd flywheel includes the 3rd flywheel wide mouth end and the 3rd flywheel slot End, the 4th flywheel includes the 4th flywheel wide mouth end and the 4th flywheel slot end, the 3rd flywheel slot end to the 3rd flywheel wide mouth end What diameter was incremented by, what the slot end of the 4th flywheel was incremented by wide mouth end diameter, the 3rd flywheel is placed side by side with the 4th flywheel, Region between 3rd flywheel and the indent circular arc of the 4th flywheel is launch site.

10. a kind of bullet multi-stage launch mechanism according to claim 6, it is characterised in that every group of flywheel has three, Three flywheel shapes are identical and are sequentially placed, and the central shaft of three flywheels is in same plane, the central shaft shape of three flywheels Into equilateral triangle, the steering of three flywheels is identical, and the region between the outer wall of three flywheels is launch site.