17 results about "Blank cartridge" patented technology

A magazine spring includes intermediate coils each having a first end portion, a second end portion, and a waist portion between the first end portion and the second end portion. The waist portion has a width that is less than a width of at least one of the first end portion and the second end portion. A magazine tube is also disclosed. In one example, the magazine tube is made of sheet metal and includes grip indentations formed along forward corners of the magazine tube. The magazine tube may also define locating ribs for blank cartridges. A magazine spring having the narrow waist portion can be included in the magazine assembly so that the spring clears the locating ribs.

The application discloses a small celestial body penetration anchoring test platform and a test method thereof. The test platform comprises a main structure, a simulated asteroid container, a launching unit, a speed meter, a camera, a force steel wire, a tension meter, a rocker arm, and a rocker arm support. The launching unit comprises a mounting plate, a base, a launching cylinder, a piston, a cartridge, a ejector pin, a recovery spring, an electromagnet, an anchor body, a buffer pad, a flange, an ejector pin support, and a pose adjustment groove. The cartridge is internally provided with air holes, so that the penetration depth, the penetration trajectory, and the anchoring force of the anchor body in different speeds, different penetration angles, and layered asteroid soil can be tested. The anchor body penetration power is provided by a blank cartridge, and the blank cartridge is triggered by the electromagnet hitting the ejector pin. The application has the characteristics of high test efficiency, full test coverage elements, low cost, safe and simple operation, and the like.

The invention relates to a front weapon blank cartridge triggering system which comprises an emission detection system and a terminal control device, the emission detection system comprises a photoelectric detector, an optical filter and a detection circuit, the photoelectric detector collects flame light generated by a chamber opening when a blank cartridge is emitted, the optical filter is used for filtering other interference light sources, and the detection circuit is used for detecting the flame light generated by the chamber opening when the blank cartridge is emitted. The detection circuit is used for converting an optical signal into an electric signal so as to provide effective support for emission of the terminal control device. The detection circuit is connected with the terminal control system, and the terminal control system receives electric signals converted by the detection circuit. The emission detection system and the terminal control system are integrated on the same PCB card, so that the space is saved, the integration level is high, and the portability of the equipment is improved. According to the invention, whether the emission of each time is an effective emission signal can be accurately judged, and the efficiency and accuracy of detecting whether the blank ammunition emission is effective are greatly improved.

The invention provides a multi-hole automatic feeding CNC integrated machining device and method, and relates to the technical field of CNC machining. The device comprises a clamp, a jig, a stock bin, a finished product taking clamping jaw and a tray taking clamping jaw, the jig is provided with a plurality of sets of charging holes and corresponding clamping assemblies which are rotationally symmetrical by 180 degrees, and the stock bin comprises a blank magazine and a finished product tray. According to the method, automatic feeding is conducted through the blank magazine, blanks are fixed through the clamping assembly, after CNC machining, finished products are transferred to the trays through the finished product taking clamping jaw, after full loading, the tray taking clamping jaw transfers and supplements the empty trays, and meanwhile the two sets of material cavities conduct machining and feeding alternately. Automatic continuous machining of the 3C type parts is achieved, the machining precision is guaranteed while the process is simplified, and the method is suitable for mass production scenes.

A magazine spring includes intermediate coils each having a first end portion, a second end portion, and a waist portion between the first end portion and the second end portion. The waist portion has a width that is less than a width of at least one of the first end portion and the second end portion. A magazine tube is also disclosed. In one example, the magazine tube is made of sheet metal and includes grip indentations formed along forward corners of the magazine tube. The magazine tube may also define locating ribs for blank cartridges. A magazine spring having the narrow waist portion can be included in the magazine assembly so that the spring clears the locating ribs.

The application relates to a blank firing adaptor (100) for a firearm according to an embodiment, which comprises a body (102) for stopping a projectile and a booster (214) for restricting an outflow of propellant gas (R). The body and the booster (102, 214) comprise flow openings (110, 222) for the outflow of propellant gas. The booster is configured to be attached against the body so that a projectile channel (320) of the booster is aligned with a barrel of the firearm when the blank firing adaptor is attached to the firearm. The booster further comprises an attachment member (128) configured to attach the blank firing adaptor to an end of the barrel of the firearm so that the booster is positioned between the attachment member and the body when the blank firing adaptor is assembled.

A high strength polymer-based blank cartridge having a first end; a shoulder disposed approximate the first end; a second end opposite the first end; and an insert engaged to the second end. A metal sleeve extends between the shoulder and insert, and a polymer sheath covers at least the metal sleeve. A propellant chamber is formed between the shoulder and the insert by at least the metal sleeve, and the propellant chamber has an unobstructed and a reduced volume, wherein the reduced volume is reduced in comparison to a propellant chamber of a standard cartridge.

The invention discloses a mortar simulation bomb, which comprises a bomb body, a tail pipe arranged at the tail part of the bomb body and an empennage arranged at the tail part of the tail pipe, and is characterized in that a large amount of step / machine gun blank ammunition stored by troops is used as a basic powder pipe, and an inner cavity and an outer cavity are arranged in the tail pipe, so that the path of discharging gas into a bore is prolonged, and residual powder carried in the gas is fully combusted; and the generated gas is maximized, so that the problem that a simulated bullet cannot be shot far away or even cannot be shot out of a muzzle is solved, an acousto-optic effect is generated, the mortar filling training quality can be effectively improved, and psychological training can be performed on a gun holder.

The gun hanging type shearing device comprises a muzzle connecting assembly connected with a muzzle and a tool bit assembly used for shearing, the muzzle connecting assembly comprises a muzzle connecting pipe and a tool bit connecting pipe which are coaxial, and a spacing cavity is formed between the muzzle connecting pipe and the tool bit connecting pipe; the tool bit assembly comprises a piston rod extending into the tool bit connecting pipe and a fixed tool rest coaxially connected with the tool bit connecting pipe, a movable tool bit is arranged on the piston rod, a movable tool moving hole matched with the movable tool bit is formed in the fixed tool rest, and a fixed tool bit opposite to the movable tool bit is arranged on the fixed tool rest. And the movable tool bit is driven to move towards the fixed tool bit by high-pressure gas generated by percussion of the blank ammunition. The gun hanging type shearing device is installed on a gun, shearing is achieved by taking high-temperature and high-pressure gas generated by percussion of blank ammunition as power, the gun hanging type shearing device has the advantages of being small in size, easy to carry, convenient to assemble and disassemble, free of influence on normal use of the gun and the like, and use of soldiers in individual combat or group combat is facilitated.

The application relates to a blank firing adaptor (100) for a firearm according to an embodiment, which comprises a body (102) for stopping a projectile and a booster (214) for restricting an outflow of propellant gas (R). The body and the booster (102, 214) comprise flow openings (110, 222) for the outflow of propellant gas. The booster is configured to be attached against the body so that a projectile channel (320) of the booster is aligned with a barrel of the firearm when the blank firing adaptor is attached to the firearm. The booster further comprises an attachment member (128) configured to attach the blank firing adaptor to an end of the barrel of the firearm so that the booster is positioned between the attachment member and the body when the blank firing adaptor is assembled.

An ammunition cartridge casing has a casing base with a proximal end surface, a casing body defining an inside volume, and a distal end portion. The casing base defines a primer pocket in communication with the inside volume of the casing body, where the primer pocket is sized and configured such that when a primer is installed in the primer pocket, a proximal face of the primer is recessed into the base at least 0.010″ with respect to the end surface. Blank ammunition made with the cartridge casing is configured for use with a rifle having a bolt with a boss on the breech face that corresponds to the recessed primer.

A training and testing blank firing adaptor cartridge chamber for certain large caliber firearms such as grenade machineguns is provided. The blank firing adaptor cartridge chamber utilizes smaller caliber, low-cost blanks as the powering source to achieve realistic operating mechanism functioning.

The present application relates to ammunition technical field, especially a kind of full shape blank cartridge for completing disintegration after projectile ejection by launching energy, it is composed of launching charge and projectile, the projectile includes bullet body, wind cap, pressure limiting sheet and counterweight filling;The bullet body is the structure of the cylinder with one end sealed and the other end open, it is equipped with fire hole in sealed end, the fire hole is covered by pressure limiting sheet on the outside of sealed end, and the sealed end is partially assembled in launching charge, the open end of bullet body is buckled with wind cap;The counterweight filling is filled in the inner cavity of bullet body.The present application relies on the structural design of projectile to ensure that it has similar interior ballistic performance with standard product during shooting, and the sensory experience is basically consistent with live ammunition shooting, it can be used for training soldiers to master the basic shooting action of grenade launcher, also can be used for live exercise, fill the blank of grenade on blank cartridge;The projectile does not contain any dangerous sensitive material such as explosive, no explosion danger.

The present invention discloses a mortar simulation projectile, which includes a projectile body, a tail tube arranged at the tail of the projectile body, and tail fins arranged at the tail of the tail tube. Using the blank cartridges for rifles / machine guns stored in large quantities by troops as the basic charge tube, by arranging a driving member similar to a piston and a relatively enclosed space in the tail tube, the charge of the blank cartridge can be fully burned. Under the action of high-pressure gas, the driving member moves relative to the tail tube. Since the rear end of the driving member contacts the firing pin base and cannot move backward, it instead pushes the tail tube and the projectile body in the direction of the muzzle. Just like punting a boat, using this "pole" of the driving member to punt the "boat" of the projectile body, giving it a certain initial velocity, and finally shooting the simulation projectile out of the muzzle. It can effectively improve the quality of mortar loading training and also conduct psychological training for gunners.

The present invention particularly presents a device for converting a weapon capable of firing only blank ammunition (A) into a less-lethal projectile launcher dedicated to temporary neutralization, comprising a frame (10) of longitudinal shape along a central axis (X), and fixed on the picatinny rail of the blank weapon by bolts (11) and which serves as a support for the barrel (12) and the magazine (15) capable of holding an equivalent number of projectiles to the magazine of the blank weapon (A).

The invention discloses a shooting training simulator, and belongs to the technical field of shooting simulation, the shooting training simulator comprises a body, a cavity through hole is arranged in the body, one end of the cavity through hole is provided with a wide mouth part, and the other end of the cavity through hole is provided with a butt joint part used for being in butt joint with a training gun barrel port; a laser device is fixedly arranged at the position, close to the wide opening part, in the cavity through hole, a protective cover is fixedly arranged at the position, close to the butt joint part, in the cavity through hole, and a plurality of cover holes are formed in a cover body of the protective cover. Laser is adopted to replace live ammunition shooting training, a headless blank ammunition can be adopted as an ammunition body, real recoil and a real target hit point are completely simulated, and the same real shooting feeling of live ammunition training is achieved.

The utility model discloses a training bomb fragment scattering control mechanism which comprises a bomb bottom structure, the bomb bottom structure is of a cylindrical structure and is provided with a first annular face, a second annular face, a third annular face, a fourth annular face, a fifth annular face and a sixth annular face, the middle of the bomb bottom structure is of a through hole structure, and the through hole structure is provided with a first through hole and a second through hole. The first through hole and the second through hole are communicated with each other, the diameter of the first through hole is larger than that of the second through hole, the diameter of the second annular face is larger than that of the first annular face, the diameters of the first annular face, the fourth annular face and the sixth annular face are the same, the bullet bottom structure is made of high-strength nylon materials, and the width of a conduction band of the bullet bottom structure is 7 mm. The yield strength of the material is 110 MPa, and the shear strength of the material is 44.3 MPa. The beneficial effects of the utility model are that: the problem that the blank ammunition is reliably dispersed when going out of the muzzle and the dispersed fragments fall within the range in front of the muzzle is solved.