15results about "Hydraulic/pneumatic locking actuators" patented technology

The application discloses a rail vehicle front end opening and closing mechanism and relates to the technical field of rail vehicles.The technical scheme is characterized in that the rail vehicle front end opening and closing mechanism comprises covers, which are symmetrically arranged at the front end of a vehicle body;an opening and closing assembly is arranged corresponding to each cover;the cover can be driven to move in a curve path mode at the side to realize opening and closing actions;a support assembly is a frame type support structure arranged in the rail vehicle head;and a locking assembly can lock the opening and closing assembly.The beneficial effects of the application are that two sets of opening and closing assemblies are arranged to realize opening and closing control of the two covers.Three traction members are combined to traction the same cover, a first traction member is used as a component directly receiving power of a driving member to drive the cover to move, and a second traction member is combined with a curve-shaped guide rail to serve as a guide structure for the cover movement, so that the cover can realize opening and closing actions in a predetermined curve track, and the problem of insufficient space in the rail vehicle head is effectively avoided.

The utility model discloses an apron board lock device for rail transit. The apron board lock device comprises an apron board lock bottom plate, an unlocking air cylinder, a spring bolt, a cushion block, a connecting screw, a rotating arm, a transmitting rack, a safety shaft, a pin shaft, a torsion spring, a gear and a connecting plate. The unlocking air cylinder and the cushion block are located on the apron board lock bottom plate, the spring bolt, the rotating arm and the connecting plate are assembled and connected through the connecting screws, the gear is installed on the safety shaft and correspondingly matched with the transmitting rack, and one end of the transmitting rack is connected with the unlocking air cylinder. The pin shaft is installed on the apron board lock bottom plate, one end of the torsion spring is connected with the pin shaft, and the other end of the torsion spring is connected with the connecting screw. The utility model is formed by combining the left and right groups of crank-link mechanisms; before a vehicle runs, the apron board lock device needs to be locked through manual operation; in emergency, a driver needs to operate an unlocking button to automatically open; the escape time is shortened, and the emergency evacuation efficiency is improved.

The utility model relates to a luggage compartment door box lock which comprises a panel, a buckle, a lock cylinder and an unlocking assembly, the buckle is rotationally installed on the panel and located on the front side of the panel, the lock cylinder is rotationally installed on the panel and comprises a lock hole located on the front side of the panel, the unlocking assembly is linked with the lock cylinder, the luggage compartment door box lock further comprises an air cylinder and a matching plate located on the rear side of the air cylinder, and a sliding groove is formed in the matching plate. The unlocking assembly comprises a first rotating wheel, a second rotating wheel, a clamping block and a shifting fork which are in linkage with the matching plate, a first driving wheel and a second driving wheel fixedly installed on the second rotating wheel are rotationally installed on the rear side of the panel, the second driving wheel is meshed with the first driving wheel, and a first installation base is arranged on the first driving wheel. And a second mounting seat is arranged on the second driving wheel. By the adoption of the scheme, the luggage compartment door box lock can be unlocked by rotating the lock cylinder and pressing the buckle, and therefore safety is improved.

Vehicle interior-exterior structure (80) which features: a vehicle interior-exterior element comprising a main body section (60) formed from a resin and supported by a vehicle body, and a cover (62) formed from an elastic material, wherein the cover (62) adheres tightly to and covers the main body section (60), with an empty section (88) formed between the main body section (60) and the cover (62); and a pressure sensor (84) that outputs a signal corresponding to the internal pressure of the empty section (88), wherein the vehicle interior-exterior element forms an opening and closing body (52) and has: an operating section (89) formed on the vehicle interior-exterior element on the outside of the empty section (88); and a control unit (96) which activates a locking release device (92) to release a locking state between the opening and closing body (52) and the vehicle body and / or an opening and closing device (94) to open or close the opening and closing body (52) when the control unit (96) has determined, on the basis of a signal output by the pressure sensor (84), that the operating section (89) has been pressed.

The invention relates to the technical field of vehicles, and provides a vehicle emergency safety lock, a vehicle safety system and a vehicle. The vehicle emergency safety lock comprises a spring bolt and a lock body, wherein the spring bolt is provided with a locking position and an unlocking position relative to the lock body; the lock body generator comprises a shell, a power assembly, a transmission assembly and a wire harness connector. The power assembly comprises gunpowder, a gas generating agent and a gas blocking piece, the gas blocking piece divides the interior of the shell into a first cavity and a second cavity, and the gunpowder and the gas generating agent are contained in the closed first cavity; one end of the transmission assembly is connected with the gas barrier, and the other end is connected with the spring bolt; one end of the wire harness joint is connected with the gunpowder, and the other end is electrically connected with an external wire. According to the vehicle emergency safety lock, when a vehicle collides, the wiring harness connector can be powered on to electrically ignite the gunpowder, the gas generating agent generates gas to push the gas blocking piece, the gas blocking piece pushes the spring bolt through the transmission assembly, and the spring bolt is switched to the unlocking position from the locking position.

The booster vehicle comprises a chassis structure, an equipment compartment, a booster compartment and a compartment door structure, the equipment compartment, the booster compartment and the compartment door structure are arranged on the chassis structure, a driving cab is arranged on the chassis structure to serve as the head of the booster vehicle, one side of the equipment compartment is adjacent to the driving cab, and one side of the booster compartment is adjacent to the other side of the equipment compartment. The pressurizing cabin is provided with an opening for people to go in and out, one side of the cabin door structure is rotatably connected with any side of the opening, the cabin door structure is provided with a locking and sealing mechanism, and the locking and sealing mechanism is used for locking and sealing the closed connecting position of the cabin door structure and the pressurizing cabin so that a closed space can be formed in the pressurizing cabin. And supercharging equipment connected with the supercharging cabin is arranged in the equipment cabin and is used for supercharging the supercharging cabin, so that a supercharging space is formed in the supercharging cabin. The supercharged vehicle provided by the invention can provide timely and effective medical assistance for the vast area of the plateau area, and has the advantages of wide coverage area, many guaranteed crowds and high safety and reliability.

The utility model belongs to the technical field of mechanical transmission devices, and discloses an actuating mechanism based on a cam and a connecting rod, the actuating mechanism comprises a driving piece, a gear assembly, a cam piece and a connecting rod piece, the gear assembly is provided with a power input end and a power output end, and the power input end is connected with a driving shaft of the driving piece; the cam piece is connected with the power output end; one end of the connecting rod piece abuts against the cam piece, and the other end of the connecting rod piece abuts against a lock catch piece of the opening and closing mechanism. Two buffering limiting pieces are arranged on the outer side of the driving piece in the sliding direction of the connecting rod piece in a spaced mode, and the two buffering limiting pieces are used for limiting the rotating angle of the cam piece. The actuating mechanism is short in stroke, capable of well meeting the requirement for a compact space, high in reliability and low in impact noise.

A hydraulic or pneumatic lock mechanism 1 for an aircraft or a spacecraft, for example for locking a canopy or cockpit closure, comprises a pin 5 movable in a chamber 8 between a retracted position an

A pneumatic control cabin door lock comprises an unlocking turning plate, an unlocking shifting arm is fixedly connected to the inner side of the unlocking turning plate, and the unlocking shifting arm and a locking / unlocking cam are correspondingly arranged; the lock further comprises a lock cylinder shifting piece connected with a key, the lock cylinder shifting piece is connected with a shifting rod, the shifting rod is connected with a double-acting air cylinder, the other end of the double-acting air cylinder is connected with a locking / unlocking cam through a motion conversion mechanism, and the locking / unlocking cam is in transmission connection with an unlocking gear. The use convenience of the cabin door lock is improved, unlocking / locking can be conducted through a key, and meanwhile pneumatic central control unlocking / locking can be achieved; the two unlocking / locking modes do not interfere with each other, and compared with other cabin door locks, pneumatic central control locking can be additionally achieved after key unlocking; (2) after the key is locked, pneumatic central control unlocking is carried out; (3) after the pneumatic central control is unlocked, the key is locked; and (4) unlocking by a key after the pneumatic central control is locked.

A refuse vehicle includes a chassis, a body, a tailgate, a tailgate actuator, and a tailgate locking assembly. The body supports the chassis and defines a receptacle configured to store refuse therein. The tailgate is positioned at an end of the receptacle and is rotatably coupled to the body. The tailgate actuator coupled to the tailgate and is configured to move the tailgate relative to the body between an open position and a closed position. The tailgate locking assembly is coupled to the body and the tailgate actuator and is configured to couple the tailgate to the body in response to the movement of the tailgate actuator.

An electric translation cabin door comprises a door lock with a signal, the two ends of the door lock with the signal are connected with a left lower lock machine and a right lower lock machine through first lock pull rods respectively, and each lower lock machine is meshed with a lower lock bump. Each lower locking machine is connected with the corresponding signal upper locking machine through a second lock pull rod, each signal upper locking machine is meshed with an upper locking touch, and the upper locking touch is connected with a pull wire motor through a pull wire. The cabin door lock has the advantages that one cabin door lock drives four lock machines, four-point locking is achieved, a door body is arranged compactly and regularly, reliable cabin door locking is guaranteed, and the sealing problem that a cabin body is exposed to rain or wades is solved; 2, the upper lock has a structure locking function, so that the locking reliability is ensured, and accidental opening is prevented; meanwhile, damage caused by the fact that the wire drawing motor bears large counter force for a long time is avoided.

The utility model provides a passenger door lock of integrated emergency valve, including passenger door lock body, is provided with the door lock car outside operation handle on the outside of passenger door lock body, is provided with the door lock lock core on the door lock car outside operation handle, and is hingedly arranged with the car outside emergency controller operation handle on passenger door lock body, door lock car outside operation handle and door lock car inside operation knob transmission connection, the knob is connected with the knob of door lock car inside operation, and the knob is connected with the piston rod of central control lock small pneumatic cylinder, the utility model has the advantages of: 1, passenger door lock integrated emergency controller design, 2, passenger door lock integrated pneumatic cylinder realizes electric control pneumatic door opening, 3, integrated switch door button: door lock is integrated switch door button simultaneously, and it is convenient for driver to operate passenger door opening / closing fast, and simultaneously through increasing electrical logic restraint operation scene, and the safety is considered.

The utility model relates to a novel passenger door lock which comprises a lock box, a lock body installation cylinder is arranged in the middle of the lock box, a rotating notch is formed between the lock box and the lock body installation cylinder, a lock body is arranged in the lock body installation cylinder in a rotating mode, a rotary knob located on the outer side of the lock box is integrally formed on the front side of the lock body, and a lock cylinder is arranged in the lock body. A key inlet penetrating out of the rotary knob is formed in the front side of the lock cylinder, a spring bolt is arranged on the rear side of the lock cylinder, a lock opening allowing the spring bolt to be inserted is formed in the lock body mounting cylinder, a shifting seat is rotationally arranged on the outer side of the lock body mounting cylinder, and a pull rod connecting seat is fixedly connected to the shifting seat. A driving column which penetrates through the rotating notch and is used for driving the shifting seat to rotate is integrally formed on the rotary knob, a rotating disc used for driving the shifting seat to rotate is arranged on the rear side of the shifting seat, and an air cylinder used for driving the shifting seat to rotate is arranged on the inner side of the lock box.

This invention discloses a car safety latch, belonging to the field of automotive lock technology. Its structure includes six forms: retractable safety latch, sliding safety latch, pneumatic safety latch, hydraulic safety latch, electric safety latch, and manual safety latch. The structure comprises a battery, wires, a gas generator, a cylinder chamber, a hammer, a latch chamber, a slide rod, a button, a fork-type latch, and a positive pressure spring. It is fixedly installed inside the car door frame. The straight locking pin of the fork-type latch protrudes outside the door frame, opposite the lock body on the door. In the event of a collision, the power unit is triggered by a collision sensor, manual pressing of the button, or the car's electronic control unit, causing the fork-type latch to move, disengaging the latch tongue from the straight locking pin of the safety latch, thereby opening the car door.