265 results about "Firing pin" patented technology

The invention discloses a delay explosion propagation device for multi-stage perforation detonation, relates to the technical field of multi-stage perforation, and aims at solving the technical problem that an existing delay explosion propagation device is insufficient in safety isolation in the delay waiting stage. The delay explosion propagation device comprises a gun body, a pressure sensor, a perforating bullet system, a detonation system and an isolation mechanism; the detonating system comprises an inner barrel connected into the gun body in a sleeved mode, a firing pin arranged in the inner barrel in a sleeved mode and provided with hydraulic drive, and a fire cap installed at the bottom of the inner barrel. Through gathering and unfolding of the combination blocks in the isolation mechanism, reliable separation and connection of the impact path of the firing pin are achieved, the firing pin can directly impact the fire cap to complete detonation only when the combination blocks are unfolded, the impact path is separated and cannot be detonated when the combination blocks are gathered, and therefore an active controllable mechanical safety isolation means is provided; the technical problems that an existing delay explosion propagation device is detonated in advance due to the fact that a firing pin accidentally impacts a fire cap due to false triggering or pressure fluctuation in the delay waiting period, and safety is insufficient are solved.

The invention belongs to the technical field of impact fatigue tests of metal materials, and relates to an impact fatigue test system for simulating a working condition environment of a gun firing pin, which can perform high-frequency cyclic loading of 200MPa-500MPa, microsecond (mu s) level impact pulse and more than kilohertz (kHz), and synchronously simulate the working condition environment. High-energy, high-frequency and short-pulse impact loading under the gun and gun firing pin working condition is carried out through the high-frequency impact generation subsystem, and the dynamic mechanical environment in actual service is effectively simulated; the environment simulation subsystem is used for accurately controlling the temperature, the concentration and the pH value of media such as salt mist and seawater, and is synchronously coupled with mechanical shock, so that mechanical-electrochemical synergistic damage conditions are truly represented; dynamic stress, strain, electrochemical parameters and surface topography in the impact process are synchronously monitored through a multi-parameter synchronous acquisition subsystem, and complete data support is provided for researching the damage evolution law of a material under a complex load; the repeatability and the safety of the test are ensured through the modularized sample clamp subsystem and the dynamic sealing design.

The invention discloses a nail gun, and belongs to the technical field of power tools. The nail gun comprises a gun body, a firing pin and a torsion spring, the firing pin is movably arranged in the gun body, a torsion spring body of the torsion spring is rotatably connected with the gun body, a first torsion arm of the torsion spring is connected with the firing pin, a second torsion arm of the torsion spring is connected with the gun body, and the torsion spring is used for driving the firing pin to move towards a muzzle of the gun body. According to the scheme, the torsional spring is adopted as a driving part to drive the firing pin to move towards the muzzle of the gun body to achieve the nail striking effect, the structure is simple, the torsional spring is low in cost and convenient to disassemble, assemble and replace, the use cost of the nail gun is reduced, and due to the fact that the torsional spring has the vibration absorbing and striking effects, the service life of the nail gun is prolonged. And in the process of driving the firing pin to move, the effects of buffering impact and reducing vibration can be achieved, the problem of vibration is avoided, and therefore the use experience feeling of the nail gun can be improved.

A safety trigger system comprising a trigger housing, a safety blade member, a safety latch member configured to interfere with a firearm housing preventing the entire trigger stroke and the release of the firearm firing pin. The safety blade member and the safety latch member disposed within the trigger housing and held into a pre-depressed state through resistance force provided by a resistance member.

The invention relates to an easy-to-operate portable percussion device which comprises a launching assembly and a percussion assembly, the launching assembly is in threaded connection with the percussion assembly, the launching assembly comprises a launching head, the launching head comprises a flange base with threads and a cylinder, the flange base and the cylinder are integrally formed, and the flange base and the cylinder are in threaded connection. The emission head comprises a plurality of first through holes, a plurality of second through holes and a plurality of second air chambers, each second air chamber is of a gradually-changed circular long and narrow pipe structure with two wide ends and a narrow middle, and a net hammer and a heavy hammer are placed in each second air chamber; the percussion assembly comprises a percussion device and a gas cylinder mounting seat, the percussion device comprises a firing pin and a vent hole, and the firing pin is located in the center of the vent hole. The device has the advantages that the device is simple in structure and convenient to operate, and loading and ammunition replacement can be achieved without completely disassembling the device; and the second air chamber is arranged, so that higher launching speed and stronger launching power can be obtained during launching of the net hammer, and the launching power and the launching range are farther.

The invention relates to the technical field of firing pin diameter detection, in particular to a diameter detection device for manufacturing an electric tool firing pin, which mainly comprises a fixing frame, a rotating mechanism, a fixing mechanism and a detection mechanism, wherein a feeding assembly is arranged on one side of the fixing frame, and a detector and a discharging assembly are mounted on the top surface of the fixing frame; the fixing mechanism is arranged above the fixing frame, and the pushing mechanism is arranged above the fixing frame. A block body rotates to an arc-shaped block, the arc-shaped block extrudes the block body to move, the block body drives a connecting rod and a second piston plate to move, the second piston plate pushes hydraulic oil in a cavity to drive a first piston plate to move, the first piston plate drives a push rod and a third T-shaped block to move, and the third T-shaped block drives a push plate to move. The pushing plate pushes the firing pins to be dumped to the discharging assembly and slide into the collecting assembly, the firing pins do not need to be specially carried into the collecting assembly through a carrying assembly, the firing pins are collected, and then the cost of the whole device is reduced.

A nail guiding member integrally formed of one piece is provided. The nail guiding member includes a plate body, a recess and a rib. The plate body includes a first side, the recess is disposed on the first side and includes two side walls and a nail outlet between the two side walls, the rib is fixedly disposed on and protrusive from a bottom surface of the recess and is lower than the first side, the rib extends toward an nail outlet, and the rib is closer to one of the two side walls. A nail gun includes the nail guiding member, and further includes: a gun body including the nail rail movably disposed thereinside; and a striker disposed in the gun body and movable to be between the nail rail and the recess of the nail guiding member.

This invention provides a training gun with adjustable trigger force, comprising a gun body, a trigger, a connecting shaft, a firing pin, and a striking element. It also includes a pressure adjusting component and an aiming unit. One end of the pressure adjusting component is threadedly connected to the connecting shaft via a first elastic element, used to adjust the trigger pull force. The aiming unit is located on the barrel of the gun body. This training gun realistically simulates the impact force generated by trigger pull, changing the previous situation where training guns could only aim but not fire. Trainees can use this training gun to master the coordination of aiming, firing, and timing. During training, the aiming unit is activated, emitting a beam of light onto the target. The trainee pulls the trigger and observes the change in the beam's position on the target, thus achieving the training objective. Simultaneously, the pressure adjusting component can simulate the trigger force of various types of firearms, allowing training with this gun to achieve the purpose of training with various types of firearms.

This invention discloses a device and method for calibrating the rear sight of a pistol, enabling theoretical calibration when the pistol is not firing and personalized calibration during live-fire testing. It includes an adjusting seat, a limiting block, and a movable block. The recessed portion of the adjusting seat engages with the two side walls of the bolt for limiting its position. A boss is provided on the outer surface of one side wall of the adjusting seat, with a circular hole and a threaded hole inside the boss. A pusher head slides within the circular hole, and an adjusting rod engages within the threaded hole. The adjusting rod actuates the pusher head, which in turn adjusts the lateral position of the rear sight on the bolt. The limiting block has a cylindrical positioning rod at its front end, which is inserted into the firing pin hole at the rear end of the bolt for limiting its position. The limiting block has two side walls for engaging with the vertical groove at the rear end of the bolt for limiting its position. The limiting block has engraved lines. The rear end of the movable block is hinged to the upper end of the limiting block. The front end of the movable block has a square boss for engaging with the rear sight notch on the rear sight for positioning. An arrow mark is provided in the center of the rear end face of the movable block.

This utility model relates to the field of medical equipment technology, and in particular to an animal vaccine injection booster device, comprising a first air chamber, a second air chamber, a piston assembly, and a gun body; the gun body has a first air chamber and a second air chamber, the first air chamber having a gas source inlet, a gas outlet, and a gas delivery outlet, the gas delivery outlet communicating with the second air chamber, and a control valve also being provided in the first air chamber; when the trigger of the gun body presses the control valve, the control valve blocks the connection between the gas delivery outlet and the gas outlet; when the trigger of the gun body is released, the control valve blocks the connection between the gas delivery outlet and the gas source inlet; the second air chamber has a piston assembly, the piston assembly including a piston and a firing pin, the firing pin being disposed on the piston, and an elastic element being provided between the piston and the firing pin output end of the second air chamber; the trigger is disposed on the grip part of the gun body, the grip part having a grip groove on the side near the trigger, and a thumb groove on the top side of the grip part away from the trigger. This utility model is easy to operate and has a good grip feel.

The invention discloses a nail gun. The nail gun comprises a gun head and a magazine mounted on the gun head, the gun head comprises a gun barrel and a gun nozzle; the gun nozzle axially stretches out and draws back at the front end of the gun barrel; a bumping needle hole and a gun nail placing hole are formed in the gun barrel; the striker hole is used for coaxially moving the striker; the gun nail placing hole and the gun nail placing hole are coaxially arranged; tangent planes of one sides, far away from the magazine, of the striker hole and the gun nail placing hole are coplanar; and the diameter of the striking needle hole is smaller than that of the gun nail placing hole. After the firing pin completes firing, the head of the firing pin does not make contact with a broken plastic connecting piece on a shoot nail on the lower side, and the nail clamping phenomenon caused by the fact that the next shoot nail is driven to move forwards due to the fact that the head of the firing pin is abraded is effectively avoided.

The application provides an outer surface processing device for electric tool striker, and relates to the technical field of electric tool striker processing, which comprises a striker processing part, a striker supporting part, a striker moving part and a striker guiding part; the striker supporting part is installed on the striker processing part, and is used for supporting the electric tool striker to be polished; the striker moving part is installed on the striker processing part, and is used for moving and rotating the electric tool striker; the striker guiding part is installed on the striker processing part, and is used for guiding the polished electric tool striker to be discharged; when two servo motors b work, the two circular clamping rods drive the electric tool striker to rotate, so that the automatic polishing of the outer surface of the electric tool striker is realized; and the problem that the surface of the striker cannot be polished at one time is solved.

The utility model relates to the technical field of dispensing, in particular to a dual-drive piezoelectric valve which comprises a valve body and a fluid seat, the fluid seat is mounted on the valve body, and a nozzle is arranged on the fluid seat; the lever is arranged in the valve body, and the lever swings by taking a supporting part arranged in the valve body as a fulcrum; the two actuating assemblies are arranged in the valve body, each actuating assembly comprises an abutting part, and the two abutting parts alternately move towards or away from the lever so as to drive the lever to swing; and the firing pin is arranged on the fluid seat, the firing pin abuts against the bottom of the lever, and the firing pin can stretch into the nozzle to control the nozzle to discharge glue. The two actuating assemblies located on the two sides of the lever supporting part alternately work to control the lever to swing stably, and the swing stability of the lever and the precision that the lever pushes the firing pin to move are improved.

The application discloses a low-cost explosion-proof delay fuse for a grenade, which comprises a body, a rotating shaft, a torsion spring, a safety pin, a fire isolation cup, an impact primer, a primer seat, a blunt flame delay detonator, a flap, a grip piece, a striker and a quick-release pin, and meets the requirement of explosion-proof safety. The striker is arranged in a straight line on the blunt flame delay detonator, and the impact primer is fixed on the flap in a spatially staggered and isolated state. The quick-release pin and the safety pin, which are manually released by different actions, serve as the redundant safety of the flap. Before throwing, the two safeties are manually released when the grip piece is gripped. After throwing, the grip piece falls off, the impact primer on the flap rotates around the rotating shaft under the action of the torsion spring, hits the striker and fires, high-temperature and high-pressure gas passes through the fire transmission hole on the striker, triggers the blunt flame delay detonator, and explodes the main charge in the grenade body after a predetermined delay. The application has a simple and compact structure, a short exposed grenade body and low cost.

The invention discloses a surge protector, and relates to the technical field of overvoltage protection equipment, and the surge protector comprises a first separation unit and a second separation unit which are connected in series. The first separation unit comprises a first pole piece of the piezoresistor and an electrode piece electrically connected with the wire inlet end, and the first pole piece and the electrode piece are connected through soldering tin to form a first breakpoint. The second separating unit comprises a second pole piece of the piezoresistor, a moving contact electrically connected with the wire outlet end and a separating mechanism, the moving contact is in contact with the second pole piece to form a second breakpoint, the separating mechanism comprises a sliding block and an elastic piece, the electrode piece is fixed to the sliding block, and the sliding block is provided with a firing pin. When surge occurs in the circuit, the soldering tin is fused to disconnect the first breakpoint, the sliding block slides under the action of the elastic piece, and the firing pin pushes the moving contact to be separated from the second pole piece to achieve disconnection of the second breakpoint. According to the surge protector provided by the invention, the breaking capacity of the surge protector can be improved, and the risk of electrical accidents caused by untimely breaking is reduced.

A firearm with side-mounted charging handle includes a longitudinal axis, a receiver, a barrel, and a bolt carrier assembly movably disposed in the receiver. The bolt carrier assembly includes a bolt carrier and a bolt disposed at least partially therein. A charging handle comprises a mounting pin member passing transversely through the bolt carrier between first and second lateral sides thereof, and a grasping member projecting transversely outwards from the first lateral side of the bolt carrier for manually cycling the bolt carrier assembly from a forward closed breech position to the rearward open breech position. A firing pin is disposed in bolt for axial movement to strike a chambered cartridge to discharge the firearm. The charging handle mounting pin member is configured to cooperate with and retain the firing pin in the bolt carrier to block withdrawal of the firing pin from the bolt carrier assembly.

The utility model provides a disposable percussion device of an electric initiator, relates to the technical field of striking tools, solves the problem that an electromagnetic percussion device cannot meet the disposable percussion work in special environments such as a nuclear power station, and also solves the problems that the electromagnetic percussion device is large in size and difficult to install. The disposable firing device of the electric initiator comprises a protection structure with openings in the two ends; the ignition device is positioned in the protection structure and extends out along one end; the combustible material is positioned in the cavity of the protection structure; and the piston firing pin is adjacent to the first end of the combustible material. According to the technical scheme, radiation resistance and electromagnetic interference resistance are achieved, one-time percussion work such as impacting and puncturing can be normally carried out in special environments such as a nuclear power station, and due to the fact that the percussion device is small in size and convenient to install, the percussion device can be suitable for being installed in a narrow space where numerous large-size percussion devices cannot be installed. And a convenient one-time percussion mode is provided for diversified percussion demand scenes.

The invention discloses a firing pin suspension type on-demand spraying device which comprises a spraying pipe, a firing pin, a spring, a spring seat and a spraying pipe driving system, the bottom of the spraying pipe is provided with one or more spraying holes needed by spraying, the firing pin, the spring and the spring seat are installed in the spraying pipe, and the spring is installed between the firing pin and the spring seat in a compressed mode. A force pointing to the spraying hole is provided for the firing pin, the firing pin achieves fluid separation between the liquid supply cavity and the spraying cavity through the sealing structure, and the spraying pipe driving system is used for driving the spraying pipe to rapidly reciprocate in the axis direction of the spraying pipe. When the firing pin deviates from the spraying hole, fluid in the liquid supply cavity flows into the spraying cavity under the action of back pressure or capillary force; and during the period of colliding to the spraying hole, instantaneous high pressure is formed in the spraying cavity, so that liquid in the spraying cavity is sprayed from the spraying hole to form a single liquid drop, a plurality of liquid drops or a slender jet flow. Dynamic sealing between the injection device and the driving system is not needed, and the injection device is simpler in structure, low in cost and higher in working reliability.

The application provides a three-step forming cold extrusion process method and a forming die for a firing pin, which comprises the following steps: pre-cutting, pre-cutting two adjacent part material sheets apart by using a pre-cutting punch and a pre-cutting die; pre-forming, pressing the required material of the part into a material storage hole by using a pre-forming punch and a pre-forming die, and extruding the excess material into the extrusion area of the next working step; rough forming, rough forming of the part is completed by using a rough forming punch and a rough forming die; trimming the excess material, the material extruded in the pre-forming and rough forming steps is cut off by using a trimming punch and a trimming die, so that the edge of the material is ensured to be free of cracks; fine forming, fine forming of the steel strip is performed by using a fine forming punch and a fine forming die. The three-step forming cold extrusion process method breaks through the bottleneck in the cold extrusion forming process of small high-strength, high-precision and special-shaped metal parts, significantly improves the forming efficiency and improves the forming quality. The forming quality of the firing pin obtained by the forming die is high.

The utility model discloses a kind of 48 millimeter detonation bomb of deterrent type hand-throwing type riot, including firing mechanism and medicine box mechanism, firing mechanism includes fuse body, grip piece and needle prick delay detonator, still movably connected with pin shaft and split pin on fuse body, still connected with spring and firing pin block assembly on pin shaft, firing pin block assembly includes firing pin and turnover block, firing pin block assembly has first position and second position, when first position, spring is in compression state under the action of turnover block, and spring reset can drive firing pin block assembly to rotate from first position to second position;Split pin is connected with pull ring;Medicine box mechanism includes shell, inner medicine box and end cover, inner medicine box is filled with detonating agent, needle prick delay detonator extends into detonating agent, filling chamber is opened in shell, filling chamber is filled with paraffin wax.This scheme can emit greater sound and strong light, suitable for use in vast space, and can carry out more accurate strike.

A kind of fire generator and instantaneous trigger device.The existing fire control mode single and unstable problem is solved.It includes firing pin and fire generator, the automobile fire generator includes first fire shell;Second fire shell, the second fire shell and first fire shell are mutually matched to form charge cavity;The launch powder and the firing powder for igniting launch powder after first fire shell is hit are arranged in the charge cavity;First electrode, insert into charge cavity through first fire shell;Second electrode, insert into charge cavity through first fire shell;Bridge wire, the first electrode is connected with second electrode by bridge wire;The second fire shell has first position when installing and second position when firing powder and launch powder are excited and separate from first fire shell.The utility model also has the advantages of simple structure, convenient assembly, reliable action, long service life, high safety etc..

The utility model relates to the field of nail guns, in particular to a keel nail gun which comprises a gun body, a rotating and fixing assembly, a gun nozzle, a firing pin and a forming base. The gun nozzle is rotationally connected with the gun body through a rotating and fixing assembly. The firing pin is connected with the gun body, and the firing pin is arranged on the gun nozzle in a penetrating manner and can extend out of the gun nozzle; the forming seat is provided with a forming groove, and the forming groove is arranged corresponding to the firing pin; the gun nozzle is sleeved with the rotating and fixing assembly, and the gun nozzle and the rotating and fixing assembly are in interference fit. And the forming seat is detachably connected with the gun nozzle. The device is simple and convenient to operate and wide in application range.

The embodiment of the invention provides an anchor implanting device and an anchor. The anchor implanting device comprises a first sleeve, a second sleeve, a push rod assembly, a firing pin assembly and a driving assembly, wherein the first sleeve and the second sleeve are nested; an accommodating cavity is formed in the first sleeve; the second sleeve penetrates through the near-end opening and extends into and out of the containing cavity. The push rod assembly comprises a push rod and a push rod cylinder extending out of the cavity and is used for installing an anchor. The driving assembly comprises a first elastic piece and a rammer, and the firing pin assembly is arranged between the rammer and the push rod cylinder. During operation, the second sleeve is pressed to compress the first elastic piece to store energy, the rammer is released to impact the firing pin, and the push rod is pushed to nail the anchor into a living body. The first sleeve and the second sleeve are nested, so that the structure is compact, and holding and accurate operation are facilitated; the push rod cylinder ensures linear implantation, and the precision is improved; the elastic energy storage and burst release impact mode ensures that the anchor is stably and reliably implanted, the slipping risk is reduced, and the anchor is suitable for arthroscopic minimally invasive surgery.

The utility model relates to a fixing device, in particular to a decoration suspended ceiling fixing device which comprises a main sleeve and an inner sleeve device which are in sliding fit, the inner sleeve device comprises a reset sleeve, a firing pin sleeve which is in sliding fit with the reset sleeve is arranged in the reset sleeve, and a firing pin assembly which is used for assembling a firing pin and is in sliding fit with the firing pin sleeve is arranged in the firing pin sleeve. The firing pin assembly is provided with a limiting pin for limiting the reciprocating motion of the firing pin assembly and the firing pin sleeve, the limiting pin penetrates through the firing pin assembly and the firing pin sleeve, and a first blocking and connecting part matched with the limiting pin is arranged in the main sleeve. Compared with a common fixator, the fixing device has the advantages that the limiting pin is arranged on the firing pin assembly, the limiting pin is matched with the first blocking connection portion on the inner wall of the main sleeve, one decoration sleeve can be omitted, assembly is more convenient, and the fixing device further has the advantages of being simple in structure, convenient to machine, easy to assemble and high in practicability.

The utility model discloses a flying card launcher, and aims to solve the problems of unstable force and low precision of flying cards by hands. The emitter comprises a main body (1), a firing pin (2) and elastic pieces (3 and 4). The main body (1) is of a hollow channel structure, the front end of the main body (1) is provided with a card placing seam (11) and a card limiting face (12), and the rear end of the main body (1) is provided with a first clamping hook (13). The firing pin (2) is slidably arranged in the main body (1), the rear end of the firing pin (2) is provided with a tension part (21), the front end of the firing pin (2) is provided with an impact surface (22), and the middle section of the firing pin (2) is provided with a second clamping hook (23) matched with the first clamping hook (13). The elastic piece is connected with the front end of the main body and the firing pin tension part; during operation, the striker is pulled backwards and locked, the card is inserted, and after the card is pressed and unlocked, the striker is driven by the elastic piece to strike the edge of the card to enable the card to fly out. The device is simple and compact in structure, convenient to operate and capable of effectively improving the stability and the accuracy of the flying cards.

The application relates to a glass assembly and a vehicle, the glass assembly comprising a laminated glass, a connecting piece and a blasting device. The laminated glass comprises a first glass and a second glass arranged in a stack, and an extension part formed by a protruding part of the first glass relative to an outer edge of the second glass. The connecting piece is connected with the extension part and a vehicle body panel. The blasting device is connected with the laminated glass and comprises a base, a driving mechanism and a striker. The base is connected with the laminated glass. The driving mechanism is connected with the base and the striker. When the striker is in an initial position, the striker is spaced apart from the laminated glass. After the driving mechanism is triggered, the driving mechanism drives the striker to move towards the laminated glass and break the first glass. When a person in the vehicle wants to escape by breaking the window, the blasting device is triggered to drive the striker to move towards the laminated glass and break the first glass, the laminated glass is broken and separated from the vehicle body panel, so that the separation efficiency and separation effect are improved.

The utility model discloses a safety structure of an axial nail shooter, which relates to the technical field of nail fastening and comprises a main sleeve, and a safety device capable of rotating around the main sleeve to lock or unlock a limit pin is arranged at the front end of an axial limit groove on the main sleeve. The limiting pin is located at the front end of the axial limiting groove and locked by a safety groove of the safety device, or the limiting pin is located in the axial limiting groove and a receding notch of the safety device to be unlocked. According to the safety structure, the safety device is additionally arranged on the main sleeve, and the limiting pin can be locked by rotating the safety device before the dud is withdrawn, so that the firing pin body, the brake pin and the firing pin sleeve are all locked and cannot move, the integrated nail cannot be detonated again no matter how the dud is withdrawn, the safety of the dud is ensured when the dud is withdrawn, and the service life of the dud is prolonged. The nail shooting device solves the technical problem that an existing nail shooting device is prone to hurting people when a dud is withdrawn.

The utility model relates to the technical field of riot guns, and provides a novel pre-hanging riot gun which comprises a machine body, a gun barrel assembly is connected to the left side of the machine body, a gun stock assembly is connected to the right side of the machine body, a machine box assembly is arranged at the bottom of the machine body, and a firing mechanism is arranged in the machine body. A safety mechanism is arranged in the cartridge receiver assembly, the firing mechanism comprises a safety control panel, a driving hammer spring, a wrench, a firing pin, a driving hammer body, a resistance iron body, a resistance iron spring trigger reset spring, a safety connecting rod and a reset block, and the wrench is rotationally connected to the interior of the machine body. The safety connecting rod is tightly attached to the sear body under the action of the safety control panel, the sear body is limited, at the moment, the wrench cannot be wrenched, and at the moment, the sear body is in a safety state, and when the groove in the safety connecting rod is controlled by the safety control panel to rotate to the position of the sear body, the wrench is in a wrenched state.

1. Name of the product in this design: Firing pin. 2. Purpose of this design: For use as a firing pin in a nail gun. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.