741 results about "Firing pin" patented technology

Trigger groups for striker-fired firearms have a firing pin assembly connected to a slide and operable to reciprocate between a rearward retracted position and a forward extended position, the firing pin assembly including a retention surface, a trigger assembly including a sear surface configured to selectively engage the retention surface to releasably restrain the firing pin assembly, the firing pin assembly being responsive to the trigger assembly to release from the retracted position to the extended position in response to movement of the trigger assembly from the forward trigger position to the rearward trigger position and to release from the retracted position to the extended position in response to movement of the trigger assembly from the rearward trigger position to the forward trigger position, the trigger assembly including a retainer movable between a clear position and a blocking position.

The application discloses a fastening tool, comprising: a striking assembly comprising a striker configured to strike a fastener; the transmission assembly is arranged to drive the firing pin to move; the shell is used for supporting the transmission assembly; the motor is at least partially arranged in the shell; a magazine accommodating the fastener; the magazine is characterized in that the magazine comprises at least two moving channels, and at least part of the fasteners can move in the moving channels. The fastening tool is convenient to use and high in working efficiency.

The invention discloses a nail gun which comprises a power assembly at least comprising a motor and a transmission assembly. The firing assembly at least comprises an air cylinder assembly and a firing pin assembly; the shell assembly at least comprises a first shell for a user to hold and a second shell for accommodating at least part of the percussion assembly; the firing pin assembly at least comprises a firing pin and a piston arranged at the top end of the firing pin. The distance D1 between the firing pin and the foremost end of the second shell in the front-back direction is smaller than or equal to 40 mm.

The invention discloses a nail gun which comprises a power assembly at least comprising a motor and a transmission assembly. The firing assembly at least comprises an air cylinder assembly and a firing pin assembly; the shell assembly at least comprises a first shell for a user to hold and a second shell for accommodating at least part of the percussion assembly; wherein at least part of the power assembly is located in the first shell; the distance D7 between the gravity center of the nail gun and the center face formed by the first shell in the front-back direction and the up-down direction is smaller than or equal to 5 mm.

The utility model discloses a nail gun which comprises a power assembly which at least comprises a motor and a transmission assembly. The firing assembly at least comprises an air cylinder assembly and a firing pin assembly; the cylinder assembly at least comprises an inner cylinder and an outer cylinder which are communicated with each other; the firing pin assembly is at least partially located in the inner air cylinder. The shell assembly at least comprises a first shell for a user to hold and a second shell for accommodating at least part of the percussion assembly; the power assembly is located in the first shell. The diameter of the motor is smaller than 38 mm.

The utility model discloses a nail gun which comprises a main machine, a power assembly, a driving assembly and a driving assembly. The firing assembly at least comprises an air cylinder assembly and a firing pin assembly; the cylinder assembly at least comprises an inner cylinder and an outer cylinder which are communicated with each other; the firing pin assembly is at least partially located in the inner air cylinder. The shell assembly at least comprises a first shell for a user to hold and a second shell for accommodating at least part of the percussion assembly; the nail gun further comprises a cartridge clip assembly which at least comprises a cartridge clip capable of storing nails. In the vertical direction, the distance D3 between the lowest end of a holding part of the first shell for a user to hold and the uppermost end of the foremost end of the joint of the cartridge holder assembly and the host is smaller than or equal to 60 mm.

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.

A nail gun (100), comprising: a power assembly (20) which comprises at least an electric motor (21) and a transmission assembly (22); a trigger assembly (40) which comprises at least a cylinder assembly (41) and a striker assembly (42); and a housing assembly (10) which comprises at least a first housing (11) held by a user and a second housing (12) for accommodating at least part of the trigger assembly, wherein the power assembly is at least partially located in the first housing; and a distance D7 between the center of gravity of the nail gun and a central plane formed by a front-rear direction and an up-down direction of the first housing is less than or equal to 5 mm.

The utility model discloses a pressure regulating silencer with a deslagging function, which comprises a silencing pipe, a pressure regulating sleeve sleeved on the silencing pipe and a silencing outer sleeve sleeved outside the pressure regulating sleeve, a silencing chamber is formed between the silencing pipe and the silencing outer sleeve, a deslagging silencing hole communicated with the silencing chamber is arranged on the silencing pipe, and a deslagging hole is arranged on the silencing outer sleeve. The residue discharging holes are formed in the silencing outer sleeve, so that independent residue discharging paths are formed among the residue discharging silencing holes in the silencing pipe, the silencing chamber between the silencing pipe and the silencing outer sleeve and the residue discharging holes in the silencing outer sleeve, and residues do not need to enter the nail fixing device any more. The nail fixing device effectively prevents the residues from entering the nail fixing device to cause corrosion, jamming and other damage to key components (such as a firing pin assembly), greatly prolongs the service life of related equipment components, reduces the maintenance frequency and cost caused by component damage, does not need to disassemble and assemble the nail fixing device main body to clean the residues in the nail fixing device, and improves the working efficiency. And the overall reliability and stability of the equipment are improved.

The application discloses a fastener driver, comprising: a striking assembly comprising a striker configured to strike a fastener; a magazine accommodating the fastener; the fastener driver is characterized in that the fastener driver further comprises a trigger assembly which is operated by a user so as to be switched between a first state in which the firing pin is allowed to strike the fastener and a second state in which the firing pin is forbidden to strike the fastener; at least part of the lifting assembly is movably arranged in the magazine so as to drive the fastener to move in the magazine; the anti-idle-strike assembly has an anti-idle-strike state, the anti-idle-strike assembly comprises a stop piece, and in the anti-idle-strike state, the stop piece prohibits the trigger assembly from being switched to the first state; and when the triggering assembly prevents the stopping piece from performing the first movement, the lifting assembly drives the stopping piece to perform the second movement. The fastener driver is convenient and safe to use.

The trigger may comprise a trigger shoe, a trigger bar, and a sear pack. The trigger bar may comprise an elongate body. The elongate body may comprise a shoe connector. The elongate body may comprise a sear arm. The sear arm may be disposed perpendicularly to the elongate body. The sear pack may be engageable by the trigger bar. The modular seal pack may also be operable by the sear arm. The sear pack may comprise a housing, a pin, and a sear. The sear pack may be installable in the connector. The sear pack may be configured to control or actuate the firing pin system in response to a user actuating the trigger (e.g., firing the striker fired firearm).

A self-loading hand firearm with a barrel secured to a frame, a firing pin, a slide, and a closure which is held, in the front position of the slide, in a locking position on the frame and which is moved from the locking position into a release position by gas pressure of a fired projectile. The closure is formed at least in two parts with a closure locking mechanism, which has two lateral legs, and a closure impact base lying between the legs, the closure locking mechanism being provided at the legs with at least one protruding driver element, which engages in a recess of the slide, and with at least one retaining cam, which engages in a shoulder of the frame. The closure impact base and the closure locking mechanism are hinged to one another.

A fastener driver includes a firing pin, a piston connected to the firing pin, a driving member driving a striking assembly to move backward to a top dead center position, and an energy storage device driving the striking assembly to move forward to a bottom dead center position to output an impact force. The distance L3 between the top dead center position and the bottom dead center position is defined as the stroke of the striking assembly, the fastener driver is configured to drive a fastener within a preset length LA to move, and the ratio of the stroke of the striking assembly to the preset length is less than or equal to 1.5 to 1.

A closure latch assembly for a vehicle door has a ratchet moveable between a primary striker capture position, a secondary striker capture position, and a striker release position, and a cinch mechanism moveable, while in an engaged state, from a home position, while the ratchet is in the secondary striker capture position, to a cinch position, whereat the ratchet is engaged by the cinch mechanism and moved to the primary striker capture position. A manual release mechanism operable to move the cinch mechanism from the engaged state to a disengaged state, whereat the cinch mechanism is disengaged from the ratchet such that the ratchet is free to move independently from the cinch mechanism.

The invention relates to the technical field of motor controllers, and discloses an active circuit breaker, a motor controller, an electric assembly and a vehicle, the active circuit breaker comprises a conducting strip assembly, the conducting strip assembly comprises a first conducting strip and a second conducting strip, and the first conducting strip and the second conducting strip are arranged at an interval in the width direction of the first conducting strip; the detonating device is arranged between the first conducting strip and the second conducting strip, the detonating device is provided with a conducting pin, the extending direction of the conducting pin is parallel to the thickness direction of the first conducting strip, the detonating device is provided with a first firing pin and a second firing pin, the first firing pin is used for impacting the first weak part, and the second firing pin is used for impacting the second weak part. According to the active circuit breaker disclosed by the invention, the space in the thickness direction of the first conducting strip can be utilized for mounting the conducting pin, so that the space in the width and length directions of the first conducting strip can be more redundant, other structures of the motor controller are convenient to mount, and the internal space of the motor controller is optimized.

The invention discloses a fastener driver which comprises a transmission mechanism driving a striking assembly to move, and the striking assembly comprises a firing pin; an accommodating part; the light-emitting device comprises a connecting part, and at least part of the connecting part is movably contained in the containing part. The fastener driver is convenient to use.

A firearm comprises a frame; a barrel; a hand grip; a breechblock slidable along the frame; a striker slidable in the breechblock; a longitudinal elastic device for the recovery of the recoil kinetic energy for rearming the striker; and a closing block for locking the breechblock in the closing position, the closing block having a body which extends longitudinally and having a rear wall engaged with a downward protrusion integral with the barrel, a front wall engageable with the breechblock and a longitudinal recess which opens at the front wall, where the longitudinal elastic device for the recovery of kinetic energy has a longitudinal rear portion housed in the recess and a longitudinal front portion retractable towards the inside of the recess, and is longitudinally interposed between a front stop abutment solidly constrained to the breechblock and a rear stop abutment solidly constrained to the frame.

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 relates to the technical field of metal pipeline detection, in particular to a metal pipeline hardness detection device which comprises a protective shell, a movable frame is rotatably mounted at the left end of the inner side of the protective shell, a connecting shaft is fixedly mounted at the right end of the movable frame, a grip convenient for an operator to hold is arranged in the protective shell, and wavy teeth are rotatably mounted at the inner end of the protective shell. The inner ends of the wave teeth are sleeved with inner clamping rings, a plurality of launching tubes are fixedly installed at the inner ends of the inner clamping rings, testing needles used for conducting impact detection on metal are slidably installed in the launching tubes, a force storage tube is fixedly installed at the upper end of the grip, and a firing pin is slidably installed in the force storage tube. The device is small and exquisite, is convenient to carry, can carry out detection at any place, does not need to move a metal pipeline to a laboratory, is especially suitable for detection at a construction site, a production workshop or a remote site, and saves time and cost.

An ergonomic pistol frame incorporating a striker fire trigger system is disclosed. The ergonomic pistol frame has a barrel receiving portion integrally formed with a grip portion and a trigger guard. The barrel receiving portion and grip portion receive and retain a striker and trigger that cooperate to form a firing system. The grip portion includes a magazine cavity that receives and holds a magazine with a magazine catch and catch spring. The magazine catch is held in a biased position by the catch spring so that the magazine catch holds the magazine. The magazine catch may also be pressed on one end to release the magazine. The barrel receiving portion may also include a thumb rest formed by a ledge and recess adjacent the trigger guard. The grip portion may also include weight cavities that hold weights to alter the center of mass of the ergonomic pistol frame.

The present application discloses a fastener driver comprising: a striking assembly comprising a piston and a striker connected to the piston; the transmission mechanism comprises a driving part which is arranged to drive the striking assembly to move backwards to an upper dead center position; the energy storage device is arranged to drive the striking assembly to move forwards to the position of a lower dead center so as to output striking force, and the energy storage device comprises a ventilation part for inflating and deflating the energy storage device; the control device is arranged to control the firing pin to be located at the stopping position, and the stopping position is located between the upper dead center position and the lower dead center position. Wherein the striking assembly is arranged to move backwards to and stay at a preparation position which crosses the stop position to be close to the top dead center position before the energy storage device is inflated, or move backwards to and stay at an inflation position which reaches or crosses the top dead center position. The fastener driver is safe and convenient to use.

The rechargeable coil nail gun comprises a shell, a gun head and a nail box are arranged on the shell, the rechargeable coil nail gun further comprises a firing pin, a firing mechanism used for firing the firing pin and a lifting release mechanism used for lifting the firing pin, the firing mechanism comprises an air cylinder, the gun head is connected with an air cylinder base, the firing pin is fixed to a piston, and the firing end of the firing pin moves in a shape rail of the gun head; the lifting release mechanism comprises a transmission shaft, and a swing bearing and a movable fluted disc which are arranged on the transmission shaft, a plurality of cylindrical pins are arranged on the movable fluted disc, and the cylindrical pins on the movable fluted disc are in one-to-one correspondence with the convex teeth on the firing pin; fasteners are stored in the nail box and fed into the shape rail through the nail feeding claw. Wherein a nail feeding mechanism comprising a swing bearing is arranged on the transmission shaft, the transmission shaft rotates to drive the nail feeding mechanism through the swing bearing to drive the nail feeding claw to feed the fastener in the nail box into the channel of the gun head, and when the firing pin is located at the firing position, the nail feeding mechanism 4 drives the nail feeding claw to feed the fastener into the channel completely.

The invention provides a pneumatic nailing gun, and belongs to the technical field of nailing guns. The problem of how to reduce abrasion of a locking piece and a firing pin is solved. According to the pneumatic nailing gun, a lifting part comprises a rotating shaft and a rotating disc for driving a firing pin to move, the rotating shaft and the rotating disc are connected and arranged in a mounting cylinder, a rotating piece is arranged on the rotating shaft or the rotating disc, a first pawl is rotationally arranged on the rotating piece, a gear ring matched with the first pawl is further arranged in the mounting cylinder, and first ratchets are arranged on the inner side face of the gear ring; the first pawl is located on the inner side of the gear ring and engaged with the first ratchet to limit rotation of the rotating disc. By means of the structure, lifting, locking, unlocking and nailing of the firing pin can be achieved without arranging an additional locking structure on the firing pin, abrasion of the firing pin is reduced, the rotating disc, the rotating shaft, the first pawl used for locking the firing pin and the gear ring are all arranged in the mounting cylinder, and therefore the nailing gun is more compact in structure.

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.

An ejector mechanism for a firearm includes an ejector disposed at a forward face of a bolt. The ejector includes a hole designed to provide clearance for the firing pin to pass at least partially through the ejector. The hole may include a counterbore on a rear side of the ejector.

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.

A nail magazine device includes a side wall, a movable member and a cover. The cover is provided on the side wall, and the cover and the side wall define an internal space therebetween, in which the movable member positioned with its first side surface facing the side wall and its second side surface facing the cover. The internal space between the movable member and the cover provides a nail chamber for receiving gun nails. The cover is configured to be openable and closable with respect to the side wall to open or close the nail chamber. The movable member is configured to be able to adjust a width of the nail chamber.

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.