CN111220024B

CN111220024B - Grenade auxiliary ejector

Info

Publication number: CN111220024B
Application number: CN201811407846.1A
Authority: CN
Inventors: 谢明龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2021-12-07
Anticipated expiration: 2038-11-23
Also published as: CN111220024A

Abstract

The invention provides a grenade auxiliary ejector, comprising: the throwing pipe is a hollow penetrating body, one end of the throwing pipe is a filling launching port, the other end of the throwing pipe is provided with a spring blocking part, a throwing piece is filled and ejected out from the filling launching port, the throwing pipe is provided with a long rail which penetrates oppositely, and the outer surface of one end, located at the spring blocking part, of the throwing pipe is provided with a combining part; the ejection unit is movably arranged in the throwing pipe, penetrates through the two long rails and is stopped by the spring stopping part; a trigger unit which is screwed with the combining part and can be buckled with the ejection unit and drive the trigger unit to enable the ejection unit to push the projection object to be ejected; therefore, the shot object can be arranged without being matched with the shot object, the use aspect is diversified, the parts can be disassembled and replaced more simply and rapidly, and the explosive shot object can be taken out from the throwing pipe when not ejected temporarily.

Description

Grenade auxiliary ejector

Technical Field

The invention relates to a throwing pipe, in particular to an auxiliary ejector capable of ejecting grenades, baseballs and lifesaving equipment.

Background

The modern throwing device is widely used and can be used in military or lifesaving aspects, an air pressure type emitter is arranged in the throwing device, a throwing piece is arranged in the throwing device and is buckled with a trigger, and the air is released to generate air pressure to emit the throwing object to fall on or around a target object at a remote place.

However, the pneumatic throwing device is arranged in cooperation with the throwing piece, so that gas cannot be released before the throwing device is launched, and therefore, the pneumatic throwing device can only be arranged in cooperation with the use aspect, for example, a throwing device used in the military aspect can only be used for installing grenades or missiles, and cannot be used for life saving equipment, and if the throwing device is used for life saving, only floaters can be installed, so that the pneumatic throwing device has the defect of single use mode.

In addition, although the throwing device which ejects the projectile by the elastic force of the spring is pushed out in the market, the spring is firstly compressed when the projectile is ejected, then the elastic restoring thrust of the spring ejects the projectile, so that the spring is compressed for a long time and the elastic restoring easily causes elastic fatigue, the throwing device can be continuously used only by replacing the spring, therefore, the throwing device needs to be completely disassembled and can be replaced, the structure of the throwing device is usually designed to be difficult to disassemble, and the spring needs to be replaced for a long time.

However, when the throwing device used in military is used for throwing the grenade, the safety pin on the grenade is firstly pulled out and then put into the throwing device for ejection, and the grenade is required to be ejected because the safety pin on the grenade is pulled out, so that the defect that the grenade is taken out of the throwing device without ejection is not temporarily changed.

Disclosure of Invention

The invention provides an auxiliary ejector, which has the defects that the structural design of the ejector is difficult to disassemble usually, a single use mode that a spring needs to be replaced for a long time is required, for example, the ejector used in the military can only be used by being provided with a grenade or a missile and cannot be used in the life saving aspect, and the grenade can not be taken out of the ejector due to the fact that the ejector used in the military cannot be temporarily changed and determined to be not ejected, and the like.

The invention provides a grenade auxiliary ejector, comprising: the throwing pipe is hollow and penetrates, one end of the throwing pipe is a filling launching port, the other end of the throwing pipe is provided with a spring blocking part, the filling launching port is used for filling and ejecting a throwing piece, the throwing pipe is provided with a long rail and a through hole which penetrate oppositely, when the throwing piece is provided with a safety pin, the through hole is used for placing the throwing piece at the hollow part of the throwing pipe, so that a user can pull out the safety pin from the through hole, and the outer surface of one end, positioned at the spring blocking part, of the throwing pipe is provided with a combining part; an ejection unit, the ejection unit comprising: the ejection spring is arranged between the piston and a spring retaining part of the throwing pipe, one end of the piston rod is provided with a through device hole, the other end of the piston rod is provided with a buckling part, and the pull rod penetrates through the long rail, the through hole and two ends of the device hole and is exposed out of the throwing pipe; and a firing unit, the firing unit comprising: the assembly seat is internally provided with an accommodating space, the bottom of the accommodating space is provided with a through hole, the tail end of the accommodating space is provided with an assembly part, the assembly seat is assembled with the combination part of the throwing pipe through the assembly part, the button is provided with a groove gradually expanding from inside to outside, the button is arranged in the through hole and faces towards the accommodating space with the groove, one end of each of the two fastening parts is provided with a barb, the other end of each of the two fastening parts is provided with a contact part which is opposite to the barb and inclines, the two fastening parts are arranged in the accommodating space, the two barbs are oppositely arranged and can be fastened with the fastening parts of the piston rod, the contact parts are abutted against the grooves, one end of each of the two springs is abutted against the two fastening parts, and the other end of each spring is abutted against the accommodating space.

The invention relates to a grenade auxiliary ejector, which mainly aims to ensure that a piston rod of a purely mechanical ejection unit is buckled with two buckling pieces of a firing unit, a piston compresses an ejection spring, the piston is pushed by high elasticity after the ejection spring is compressed and returns to elasticity, and a projection piece is ejected out after being subjected to elasticity, so that the ejection distance of a projection object is greatly increased, and the grenade auxiliary ejector does not need to be matched with the arrangement of the projection object, is used in military, practice or lifesaving aspects, and is diversified in use aspects.

Another object of the present invention is to provide a grenade auxiliary ejector, which allows the ejector unit to be taken out from the filling and ejecting opening by detaching the pull rod from the two long rails, the through hole and the device hole when the ejector spring is elastically exhausted and needs to be replaced, so that the parts can be easily and quickly replaced.

Yet another object of the grenade auxiliary ejector of the present invention is to allow a safety pin on a projectile to be removed through a through hole, and the safety pin can be returned to the projectile through the through hole when temporarily deciding not to eject, and the projectile can slide out by inverting the projectile tube, so that the explosive projectile can be taken out of the projectile tube when temporarily not ejecting.

Drawings

Fig. 1 is an appearance combination perspective view of a throwing pipe and a firing unit of the invention.

FIG. 2 is a cross-sectional view of the combination of the throwing tube, the ejection unit, the firing unit and the fixing buckle of the present invention.

Fig. 3 is a schematic view of the invention showing the pull rod pulling the piston to move and compress the ejection spring.

FIG. 4 is a schematic view of a projectile being inserted into the filling launch opening of the present invention.

Fig. 5 is a schematic view of the inside of the throwing pipe of the present invention with a projectile placed therein.

FIG. 6 is a schematic view of the present invention showing the arming pin being pulled out of the projectile through the through hole.

Fig. 7 is a schematic view of the pull rod of the present invention being pulled out of the ejection unit and the casting tube.

FIG. 8 is a schematic view of the present invention pressing the button to disengage the two fasteners from the fastening portion.

FIG. 9 is a schematic view of the ejection spring of the present invention elastically restoring to push the piston, so that the piston rapidly moves toward the filling ejection opening and ejects the projectile.

Fig. 10 is a schematic view of a replacement ejector spring of the present invention.

Fig. 11 is a schematic cross-sectional view of a projectile tube according to another embodiment of the invention.

FIG. 12 is a schematic view of a safety grip with a positioning rail positioning projection according to another embodiment of the present invention.

Reference numerals

10 throwing pipe

11 filling the launch opening

12 spring stop

13 Long rail

14 hand-held part

15 through hole

16 joint part

17 aiming boss

18 positioning rail

20 ejection unit

21 piston

211 accommodation groove

212 device groove

213 stress-bearing part

214 air flow aperture

215 perforation

22 ejection spring

23 piston rod

231 device hole

232 fastening part

24 draw bar

25 buffer cushion

30 firing unit

31 combination seat

311 sight

312 space

313 assembling piece

314 position fixing part

315 through hole

316 connecting part

317 lock

32 push-button

321 groove

33 fastener

331 barb

332 positioning groove

333 contact part

334 pivot hole

34 spring

40 fixed button

50 projecting element

51 safety pin

52 safety grip

Detailed Description

Referring to fig. 1, 2 and 6, the present invention provides a grenade auxiliary ejector, comprising: a throwing pipe 10, an ejection unit 20, a striking unit 30 and a plurality of fixing buckles 40.

The throwing pipe 10 is hollow and through, one end of the throwing pipe 10 is a filling launching port 11 and the other end is provided with a spring blocking part 12, the filling launching port 11 is used for a throwing piece 50 to be filled and ejected, the throwing pipe 10 is provided with a relatively through long rail 13, two handheld parts 14 and a through hole 15, the two handheld parts 14 are used for being held by both hands of a user, when the throwing piece 50 is provided with a safety pin 51, the through hole 15 is used for being placed to the throwing piece 50 in the hollow part of the throwing pipe 10, the safety pin 51 is pulled out from the through hole 15 by the user, the outer surface of the throwing pipe 10, which is positioned at one end of the spring blocking part 12, is provided with a combining part 16, the combining part 16 is an external thread, a aiming convex part 17 is arranged close to the filling launching port 11, and the aiming convex part 17 is used for aiming at a target object by the user.

The ejection unit 20 includes: a piston 21, an ejection spring 22, a piston rod 23, a pull rod 24 and a buffer pad 25, wherein one end of the piston 21 is provided with a containing groove 211 and the other end is provided with a device groove 212, the containing groove 211 is internally provided with a hollow annular stress part 213, a plurality of communicated air flow holes 214 are arranged between the containing groove 211 and the device groove 212, each air flow hole 214 reduces air resistance when the piston 21 moves so as to enable the projectile 50 to be ejected farther, the side edge of the piston 21 is provided with a through hole 215, the piston 21 and the containing groove 211 face the spring stop part 12, the device groove 212 faces the filling emission opening 11 and is arranged at the hollow part of the throwing pipe 10, the ejection spring 22 is arranged between the piston 21 and the spring stop part 12 of the throwing pipe 10, one end of the piston rod 23 is provided with a through device hole 231 and the other end is provided with an inverted triangle-shaped fastening part 232, the pull rod 24 penetrates through the long rail 13, the through hole 215 and the device hole 231 and is exposed out of the throwing tube 10, the buffer pad 25 is installed in the device groove 212 for the projectile 50 to be placed in the throwing tube 10 for buffering, and the ejection unit 20 is movably installed in the hollow of the throwing tube 10 and penetrates through the long rail 13 and is stopped by the spring stopping part 12.

The firing unit 30 includes: a set of connection seat 31, a button 32, two fasteners 33 and two springs 34, wherein the connection seat 31 has a front-view star 311 on the outer surface thereof, a receiving space 312 inside thereof, two connection members 313 and two opposite positioning portions 314 on the inner wall of the receiving space 312, a through hole 315 is formed at the bottom of the receiving space 312, a connection portion 316 is formed at the end thereof, the connection portion 316 is an internal thread, the front-view star 311 and the aiming protrusion 17 are in the same straight line, so that the user can see through the front-view star 311 and aim at the aiming protrusion 17, the aiming protrusion 17 projects the target, so that the projection 50 is precisely located on or around the target, the positioning portions 314 are a through screw hole, each screw lock 317 is locked in each of the two positioning portions 314, the connection seat 31 is assembled by the connection portion 316 and the connection portion 16 of the throwing pipe 10 by screw lock, a groove 321 gradually expanding from inside to outside is formed on the button 32, the button 32 is installed in the through hole 315, the groove 321 faces the accommodation space 312, one end of each of the two fasteners 33 is provided with a barb 331 and a positioning groove 332 opposite to the barb 331, the other end of each of the two fasteners 33 is provided with an inclined contact part 333 on the same surface as the positioning groove 332, a pivot hole 334 is provided between the barb 331 and the contact part 333, the two fasteners 33 are installed in the accommodation space 312, the two fasteners 33 are pivotally installed with the assembly member 313 through the pivot holes 334, the two barbs 331 are oppositely arranged and can be fastened with the fastening part 232 of the piston rod 23, the contact parts 333 are abutted against the groove 321, one end of each of the two springs 34 is abutted against the positioning groove 332 of the two fasteners 33, the other end is abutted against the positioning part 314 in the accommodation space 312, the locking member 317 allows the spring 34 to be directly replaced from the positioning part 314 after unlocking, the firing unit 30 is assembled with the connecting portion 16 of the throwing tube 10, and can be buckled with the ejecting unit 20, and the firing unit 30 is driven to make the ejecting unit 20 push the projectile 50 to be thrown out.

Each fixing buckle 40 is C-shaped, each fixing buckle 40 is oppositely disposed on the spring stop portion 12 and the force receiving portion 213, and each fixing buckle 40 respectively fixes two ends of the ejection spring 22.

In use, as shown in fig. 3, a user pulls the pull rod 24 of the ejection unit 20, so that the pull rod 24 moves to a position close to one end of the spring stop portion 12 on the two long rails 13 of the throwing tube 10, the pull rod 24 drives the piston 21 to move to a position close to the spring stop portion 12, the force receiving portion 213 and the spring stop portion 12 compress the ejection spring 22, the fastening portion 232 of the piston rod 23 passes through the spring stop portion 12 and moves into the accommodating space 312 of the assembling seat 31 of the firing unit 30, the fastening portion 232 pushes the two barbs 331 of the two fastening members 33, the two fastening members 33 are pivoted with the assembling member 313 to move the two barbs 331 in opposite directions, the fastening portion 232 passes through the two barbs 331 and is located between the two fastening members 33, the two fastening members 33 are elastically resisted by the two springs 34, the two barbs 331 move relatively close to each other and form effective fastening with the fastening portions 232, as shown in fig. 4 and 5, a projectile 50 can be put into the throwing tube 10 from the filling launching port 11, the projectile 50 can be grenade, baseball or life-saving equipment, when the projectile 50 is put in, the cushion 25 can buffer the projectile 50, so as to avoid the failure of the fastening effect of the two barbs 331 and the fastening part 232 due to too large dropping impact force, as shown in fig. 6, and if the projectile 50 has a safety pin 51, the safety pin 51 can be pulled out through the through hole 15, and when it is temporarily determined that the projectile is not ejected, the safety pin 51 can be returned to the projectile 50 through the through hole 15, the throwing tube 10 can be inverted to slide the projectile 50 out, so that the explosive projectile 50 can be taken out from the throwing tube 10 when the projectile is not ejected temporarily, as shown in fig. 7, the pull rod 24 can be pulled out and separated from the unit 20 and the throwing tube 10, as shown in fig. 8 and 9, the button 32 can be pressed to make the grooves 321 make the contact parts 333 of the two fastening parts 33 move close to each other, the two barbs 331 move in opposite directions and are disengaged from the engagement portion 232, the ejection spring 22 elastically recovers to generate an elastic force, the forced portion 213 is influenced by the elastic force to push the piston 21, so that the piston 21 rapidly moves toward the filling emission opening 11 and ejects the projectile 50, the fixing fasteners 40 on the spring stop portion 12 pull the ejection spring 22, the ejection spring 22 pull the fixing fasteners 40 on the forced portion 213 again, so that the piston 21 is not ejected, the piston rod 23 of the purely mechanical ejection unit 20 is engaged with the two engagement members 33 of the firing unit 30, so that the piston 21 compresses the ejection spring 22, the piston 21 is pushed by the high elasticity of the ejection spring 22 after the ejection spring 22 is compressed to restore the elasticity, the projectile 50 is ejected by the elastic force, and the distance of the projectile 50 is greatly increased, thereby achieving the purpose of not needing to cooperate with the setting and military aspects of the projectile 50, The practice aspect or the lifesaving aspect diversifies the use aspect.

However, as shown in fig. 10, if the ejection spring 22 is elastically exhausted and needs to be replaced, the two long rails 13, the through hole 215 and the device hole 231 are removed and separated by the pull rod 24, the piston 21 is rotated to separate the fixing fasteners 40 from the ejection spring 22, so that the ejection unit 20 can be taken out from the filling and ejecting opening 11, and the replacement of parts is easier and quicker.

In addition, if the internal parts of the firing unit 30 are to be replaced, the assembly portion 316 of the assembly seat 31 and the combining portion 16 of the throwing tube 10 are unlocked, so that the internal parts of the firing unit 30 can be clearly seen and replaced, and if only the spring 34 inside the firing unit 30 is to be replaced, the locking member 317 and the positioning portion 314 can be unlocked, so that the spring 34 can be directly taken out of the positioning portion 314 for replacement, thereby achieving convenient and rapid maintenance and replacement.

In addition, as shown in fig. 11 and 12, another embodiment of the grenade auxiliary ejector of the present invention is different from the above embodiment in that a positioning rail 18 is disposed at the hollow portion of the throwing pipe 10, when a safety handle 52 is disposed on the projecting member 50, the positioning rail 18 allows the safety handle 52 on the projecting member 50 to be inserted toward the positioning rail 18, so that the safety pin 51 is directly aligned with the through hole 15 when the projecting member 50 is disposed on the piston 21.

From the above specific embodiments, the following advantageous effects can be obtained:

1. the piston rod 23 of the purely mechanical ejection unit 20 is fastened with the two fastening pieces 33 of the firing unit 30, the piston 21 compresses the ejection spring 22, the piston 21 is pushed by the high elasticity of the compressed ejection spring 22 after the ejection spring restores elasticity, and the projection piece 50 is ejected out after being elastically stressed, so that the ejection distance of the projection piece 50 is greatly increased, and the purposes of no need of matching with the arrangement of the projection piece 50, military use, practice use or life saving and diversified use are achieved.

2. When the ejection spring 22 is elastically exhausted and needs to be replaced, the two long rails 13, the through hole 215 and the device hole 231 are detached through the pull rod 24, so that the ejection unit 20 is taken out from the filling and ejecting opening 11, and the parts can be replaced more easily and quickly.

3. The safety pin 51 on the projectile 50 is pulled out through the through hole 15, when the projectile is not ejected temporarily, the safety pin 51 can be returned to the projectile 50 through the through hole 15, the projectile tube 10 is inverted to slide the projectile 50 out, and the explosive projectile 50 can be taken out of the projectile tube 10 when the projectile is not ejected temporarily.

Claims

1. A grenade-assisted catapult, comprising:

the throwing pipe is hollow and penetrates, one end of the throwing pipe is a filling launching port, the other end of the throwing pipe is provided with a spring blocking part, the filling launching port is used for filling and ejecting a throwing piece, the throwing pipe is provided with a long rail and a through hole which penetrate oppositely, when the throwing piece is provided with a safety pin, the through hole is used for placing the throwing piece at the hollow part of the throwing pipe, so that a user can pull out or install back the safety pin from the through hole, and the outer surface of one end, positioned at the spring blocking part, of the throwing pipe is provided with a combining part;

an ejection unit, the ejection unit comprising: the ejection spring is arranged between the piston and a spring retaining part of the throwing pipe, one end of the piston rod is provided with a through device hole, the other end of the piston rod is provided with a buckling part, and the pull rod penetrates through the long rail, the through hole and two ends of the device hole and is exposed out of the throwing pipe; and

a firing unit, the firing unit comprising: the assembly seat is internally provided with an accommodating space, the bottom of the accommodating space is provided with a through hole, the tail end of the accommodating space is provided with an assembly part, the assembly seat is assembled with the combination part of the throwing pipe through the assembly part, the button is provided with a groove gradually expanding from inside to outside, the button is arranged in the through hole, the groove faces the accommodating space, one end of each of the two fastening parts is provided with a barb, the other end of each of the two fastening parts is provided with a contact part which is opposite to the barb and inclines, the two fastening parts are arranged in the accommodating space, the two barbs are oppositely arranged and can be fastened with the fastening parts of the piston rod, the contact parts are abutted against the grooves, one end of each of the two springs is abutted against the two fastening parts, and the other end of each spring is abutted against the accommodating space.

2. The grenade-assisted catapult of claim 1, wherein the throwing tube has two hand-held portions and an aiming protrusion near the filling emission port, the two hand-held portions being held by both hands of the user, further comprising: the outer surface of the assembly seat is provided with a sight bead, the sight bead and the aiming convex part are in the same straight line, so that the sight of a user can be aligned to the aiming convex part through the sight bead, and after the aiming convex part is aligned to a target to be projected, the projecting part can accurately fall on or around the target object.

3. The grenade-assisted ejector of claim 1, wherein the ejector unit is movably mounted in the hollow of the throwing tube, extends out of the long rail and is stopped by the spring stop.

4. The grenade-assisted ejector of claim 3, wherein the firing unit is fastened to the ejection unit and drives the firing unit to eject the projection member.

5. The grenade-assisted ejector of claim 4, wherein the coupling part is an external thread, the coupling part is an internal thread, and the coupling seat is screw-coupled with the coupling part of the throwing pipe.

6. The grenade-assisted catapult of claim 4, wherein the piston has an accommodating groove at one end and an installation groove at the other end, the accommodating groove having a hollow annular force-receiving portion therein, a plurality of communicating air flow holes being provided between the accommodating groove and the installation groove, the piston facing the spring stop with the accommodating groove and the installation groove facing the charge emitter device, the air flow holes for reducing air resistance when the piston moves to further eject the projectile.

7. The grenade-assisted catapult of claim 6, further comprising: the buffer pad is arranged in the groove of the device and is used for buffering when the projection piece is placed into the piston, each fixing buckle is C-shaped, each fixing buckle is oppositely arranged on the spring blocking part and the stress part, and the fixing buckles respectively fix two ends of the ejection spring.

8. The grenade-assisted ejector of claim 1, wherein the snap-fit is in the shape of an inverted triangle.

9. The grenade-assisted ejector according to claim 1, wherein the inner wall of the accommodating space is provided with two assembling members and two opposite positioning portions, the positioning portions are a threaded hole, and each of the two positioning portions is screwed with a locking member, further comprising: the two buckling pieces are provided with a positioning groove which is opposite to the barb, one end of each of the two springs respectively abuts against the positioning groove, the other end of each of the two springs respectively abuts against the positioning part, and the locking piece enables the spring to be directly taken out of the positioning part for replacement after unlocking.

10. The grenade-assisted ejector of claim 1, wherein the throwing tube has a hollow positioning rail, and the throwing member has a safety handle, the positioning rail allows the safety handle to be inserted into the positioning rail, so that the safety pin is directly aligned with the through hole when the throwing member is located on the piston.