32results about How to "Reliable locking function" patented technology

The invention discloses a vibration exciter fixed mounting device which mainly comprises a vibration exciter fixing platform assembly, supporting foot assemblies, a screw rod sliding assembly and a rotary table assembly. The vibration exciter fixing platform assembly is fixed at one end of the screw rod sliding assembly by a nut; the screw rod sliding assembly is arranged on the rotary table assembly; the supporting foot assemblies are connected with the rotary table assembly so as to support the vibration exciter fixing platform assembly. The vibration exciter fixed mounting device is flexible to regulate, is reliable to fix, is simple to mount, has a compact structure, has a lighter weight, is convenient to use in the external field and has better adaptability.

A return preventing portion flexible locking piece (20) and return preventing portion (52) for preventing a lever (40) from returning from a standby position to a mount position and a locking means flexible locking piece (20) and lock arm (47) for locking the lever (40) at a connection position are provided. The flexible locking piece (20) return preventing means, locking means of a first housing (10) one member is engaged with the lock arm (47) of the lever (40) (other member), whereby the lever (40) is locked at the connection position. The shape of the first housing (10) can be simplified since it is not necessary to provide the first housing (10) with a locking means for exclusive use in addition to the flexible locking piece (20).

A return preventing portion flexible locking piece (20) and return preventing portion (52) for preventing a lever (40) from returning from a standby position to a mount position and a locking means flexible locking piece (20) and lock arm (47) for locking the lever (40) at a connection position are provided. The flexible locking piece (20) return preventing means, locking means of a first housing (10) one member is engaged with the lock arm (47) of the lever (40) (other member), whereby the lever (40) is locked at the connection position. The shape of the first housing (10) can be simplified since it is not necessary to provide the first housing (10) with a locking means for exclusive use in addition to the flexible locking piece (20).

An accommodation recess (17) is formed in the front surface of a housing main body (11). A plate-like lance housing (70) including locking lances (19) for primarily locking terminal fittings (130) by resiliently deformably projecting at inner surfaces of terminal accommodation holes (71) is accommodated into the accommodation recess (17). A plate-like retainer (50) movable to a partly locked position for permitting the insertion of the terminal fittings (130) into the terminal accommodation holes (71) and to a fully locked position for secondarily locking the terminal fittings (130) is also accommodated into the accommodation recess (17). The rear surface of the lance housing (70) and the front surface of the retainer (50) are arranged in contact with each other.

The invention discloses a handrail box lock and a handrail box, relates to the technical field of automobile interior design, and aims to solve the problems that an existing handrail box lock is complex in structure and unstable in locking. The handrail box lock comprises spring bolts, and locking structures are arranged corresponding to the spring bolts and comprise buckles which are matched with the spring bolts and can rotate. Elastic parts are arranged in locking space, used for accommodating the spring bolts, of the buckles, the buckles are sleeved with rotating rods in a slideable mode, and the rotating rods are rotatably arranged on operating parts. In the locking process, the spring bolts force the buckles and the rotating rods to jointly rotate to open and enter the locking space, the operating parts make the rotating rods and the buckles reset, and the elastic parts make the spring bolts abut against the buckles. In the unlocking process, the operating parts are pressed to make the rotating rods and the buckles to jointly rotate to open, and the spring bolts are separated from the locking space under the effect of the elastic parts. The handrail box lock is used for locking the automobile handrail box.

The invention discloses a brake caster, which comprises a wheel frame with a central shaft, an insert rod, side wheels on both sides of the wheel frame, an unlocking plate connected to the side wall of the wheel frame by a shaft, and the lower end of which passes backwards through the inner wall of the wheel frame. The unlocking plate is spring-connected, the brake plate is sleeved on the central shaft, and the middle part of the brake plate is downwardly connected to the inner wall of the wheel frame through the brake plate spring; the brake block that can move up and down in the wheel frame above the central shaft, A brake pad that can move forward and backward is provided under the central shaft, and the first brake chainring is fixed on the inner side of the side wheel in a ring shape; the brake block corresponds to the first brake chainring, and the lower end of the insertion rod is ferruled by the second brake chainring. The brake pad corresponds to the second brake chain disc. The invention has the advantages of reasonable structure, convenient use, good safety and reliable locking and unlocking functions.

The invention relates to an emergency escape window for a rail transit vehicle, and the window comprises a window frame, a casement, and an actuation mechanism which is used for locking or opening the casement. The actuation mechanism comprises a four-rod structure which is formed by the sequential connection of an action block, a first connecting rod, a handle, and a second connecting rod. The casement is locked in the window frame through a dead point of the four-rod structure, and can be unlocked through the unlocking of the dead point, thereby opening the window. The invention also provides the rail transit vehicle comprising the above window. The window is locked through the dead point of the four-rod structure, is reliable in locking function, is short in starting transmission link, and is quick in emergency usage. The window is simple in structure, is more convenient in installation and use, and is high in reliability.

The invention relates to a desk circular saw machine. The begone stopper member is pressed on the side of the safety cup to form moving resistance, therefore the safety cup maybe not rotate smoothly, wherein the stopper member is used to locking the safety up which rotates relative to cutter shield to switch the cutter at the dead point on the main body of cutting-off machine to make it not open. In the said invention, even the stopper member is bunted with the side, the safety cup will rotate smoothly. The stopper member (41) is separated into stopper supporter (42) and stopper main body (43), and a second energizing unit (43b) is mounted betweent the two parts, to make the energized force on the restrict part (43a) of the stopper main body (43) less than the first energized force of the dead point locking mechanism.

The present disclosure relates to a bicycle locking apparatus having an abnormal locking prevention function. The bicycle locking apparatus includes a sensor unit which measures a driving condition of a bicycle to be locked by using a plurality of sensors and outputs sensing data about the driving condition, a locking operation unit which performs a locking operation or an unlocking operation on the bicycle to be locked in response to input of a lock signal or an unlock signal, and a control unit which controls the overall operation of the bicycle locking apparatus. The control unit includes a first driving state determination unit which determines a first state of the bicycle to be locked by using sensing data of a first sensor group, a second driving state determination unit which determines a second state of the bicycle to be locked by using sensing data of a second sensor group.

An output shaft locking device for a power tool includes a positioning ring having a circular inner periphery and an output shaft extends through the positioning ring. Two activation members are between the positioning ring and the output shaft. Each activation member has a first protrusion on a central portion of one side thereof, and a second protrusion and a third protrusion are on two ends of the other side thereof. The first protrusions of the two activation members contact the output shaft, and the second protrusions and the third protrusions face the circular inner periphery of the positioning ring. When the output shaft rotates clockwise, the activation members are pushed outward and the second protrusions contact the positioning ring which applies a reaction force to pivot the activation members so that the third protrusions contact the positioning member to lock the output shaft from rotation.

The invention discloses a manual maintenance switch and belongs to the technical field of electric passenger vehicles. The manual maintenance switch comprises a socket and a plug detachably connectedwith the socket. The plug comprises a first shell and a handle. One end of the handle is movably connected to the outer side wall of the first shell and the other end of the handle is respectively provided with a primary locking piece used for locking the handle to the first shell and a secondary locking piece used for locking the primary locking piece. The first locking piece is arranged on the inner side of the handle and is matched with a first locking groove arranged on the outer side wall of the first shell. The secondary locking piece is slidingly arranged on the handle The secondary locking piece comprises a spring bolt located on the inner side of the handle and a limiting plate connected with the spring bolt. The spring bolt is matched with a second locking groove arranged at theside of the primary locking piece. The limiting plate is in sliding connection with the primary locking piece. The manual maintenance switch is provided with a reliable locking mechanism and can be connected with the outside in three directions. The unlocking operation direction of the product is convenient to operate in a narrow space in the length direction of the product.

The invention belongs to the technical field of connectors and discloses a user recognition card connector which comprises a frame, an insulating body formed in the frame in an embedded manner, a metal shell, a popup rod, a push rod and a tray. The frame comprises electroconductive terminals and a shackle terminal which are integrally formed by a metal material. The electroconductive terminals and the shackle terminal are integrally formed, so that the connector can be further thinned, structure of the connector is further simplified, and requirements on miniaturization of terminal products using the connector are met.

The invention discloses a large-load actuating cylinder control sliding lock, and aims to provide a sliding block lock which is simple in structure, capable of bearing large loads and high in lockingcapacity and actuating capacity.. The sliding block lock is realized through the following technical scheme: a sliding block assembled in the actuating cylinder is installed in a guide groove of the piston rod, the sliding block abuts against the axial locking groove slope of the inner wall of the piston cylinder and the tail end face of the outer ring face through a locking slope, the rear end ofthe sliding block abuts against the end face of the piston rod and slides in the radial direction of the guide face of the guide groove, and a sliding sleeve overcomes spring elastic force through aspring sleeve assembled on the lead screw nut. During locking, the sliding sleeve overcomes the elastic force of the spring through the spring sleeve assembled on the lead screw nut to push the sliding block to move; when the sliding block pushes the conical surface to move to the locking groove inclined surface, the sliding sleeve is pushed by the spring to enable the sliding block to slide outwards in the radial direction of the guide groove guide surface, the tail end face of the outer ring surface of the sliding sleeve moves and abuts against the inner ring surface of the sliding block, external loads cannot enable the sliding block to disengage from a space formed by the piston cylinder, the piston rod guide groove and the sliding sleeve, and locking is achieved. During unlocking, thelead screw nut drives the sliding sleeve through the lead screw to be disengaged from the inner ring face of the sliding block, and unlocking of the sliding block lock is achieved.

The invention discloses a lock mechanism. The lock mechanism comprises a cushion movable side board and a cushion fixed side board hinged to the cushion movable side board; the lock mechanism furthercomprises a limiting baffle, a lock pin and a lock pulling mechanism, wherein the limiting baffle is fixedly connected with the cushion fixed side board and provided with a lock hole; the lock pin isarranged on the cushion movable side board and clamped into the lock hole along with turning up of the cushion movable side board so that locking of the lock mechanism can be achieved when a seat is turned upwards; the head of the lock pulling mechanism is connected with the tail of the lock pin, and by pulling the lock pulling mechanism upwards, the lock pin is pulled out from the lock hole so that unlocking of the lock mechanism can be achieved; the plug pin type lock mechanism is simple in structure, small in part quantity and reliable in lock function; and manual unlocking is conducted after a passenger on the third row sits down or gets out completely, and safety and reliability are achieved.

The invention relates to a double-guided counterweight rod type damper locking device, which includes a housing, a universal wire rope pulley, a guiding counterweight rod, a guiding bearing wheel, a triangular lock block, an unlocking cylinder and a fixed bracket for the cylinder. During normal operation, the locking device In the locked state, the piston rod of the unlocking cylinder is extended, and the triangular lock block at the end of the piston rod of the unlocking cylinder is located above the two guide weight rods. The block pushes to the top of the other guide weight rod and locks it; during the unlocking period, the piston rod of the unlocking cylinder shrinks, and the piston rod drives the triangular lock block to break away from the top of the guide weight rod, and the two guide weight rods can move at the same time , that is, the dampers on both sides can be opened at the same time, and the device can be locked reliably during normal periods. In the event of a fire or other accident in the mine, it can release the damper lock, urgently regulate the underground air flow, and improve the ventilation control ability of the mine catastrophe.

The invention discloses a cabinet door interlocking device for switch equipment and the switch equipment. The interlocking device comprises an interlocking device box and an interlocking mechanism fixed in the interlocking device box; the interlocking mechanism comprises an opening limiting plate, an interlocking plate, a position switch, an interlocking limiting block, a grounding / isolating switch interlocking rod and a circuit breaker mechanism interlocking rod; the opening limiting plate, the interlocking plate and the position switch are arranged in sequence; the interlocking limiting block is arranged near the interlocking plate, and the interlocking plate limits the interlocking limiting block; the interlocking plate is adjacent to the grounding / disconnecting switch interlocking rod and the circuit breaker mechanism interlocking rod, and the grounding / disconnecting switch interlocking rod and the circuit breaker mechanism interlocking rod limit the interlocking plate; the rotation of the interlocking limiting block limits the cabinet door or relieves the limit of the cabinet door, so that the cabinet door is in an openable state or a non-openable state. According to the interlocking device, forward and reverse locking integrated modular design can be achieved, and the effects that a forward locking device is high in strength and reverse locking is reliable are achieved.

The invention provides a pretensioner seat belt, which comprises a power device, an electronic control unit, a tightening device and a seat belt, wherein the power device comprises a mandrel component; the seat belt is connected with the tightening device; the electronic control unit is connected with a retractor control device; the tightening device also comprises a rapid locking mechanism, and the rapid locking mechanism comprises a locking block, a connecting rod, a crank connecting rod and a long-arm torsion spring; the connecting rod penetrates through the mandrel component to be assembled together with the crank connecting rod; a transmission wheel is assembled with the crank connecting rod in a matched way; the locking block is arranged in a cavity of the mandrel component; the long-arm torsion spring is fixed together with the locking block and assembled with the mandrel component after being assembled with the connecting rod. According to the pretensioner seat belt, injury to a user is effectively prevented from being aggravated during the sliding-out of the locking block, and the working reliability of the automobile seat belt and the safety of a passenger are effectively ensured; in case of collision of an automobile, the locking block can be rapidly ejected to limit a woven belt of the seat belt, and injury to the passenger is prevented from being aggravated by inertia; the pretensioner seat belt has the advantages of rapid locking function, simple structure, safety and reliability.

The invention discloses a side-hung type lower side door for a railway open wagon. The lower side door comprises a door frame, a door plate, a primary locking mechanism and a secondary locking mechanism, wherein the door frame is arranged on the side wall of a carriage of the railway open wagon, the door plate is hinged to the door frame through a hinge, the hinge is arranged on one side, close to the wagon head or the wagon tail of the railway open wagon, of the door plate, and a lock seat is arranged on the door frame; and a locking hole is formed in the lock seat, the primary locking mechanism is arranged on the door plate, and a lock arm of the primary locking mechanism is matched with the locking hole in an inserted mode. The lower side door is hinged to the door plate through the door frame to form the side-hung type lower side door, and the locking function of the lower side door is quite reliable through the primary locking mechanism and the secondary locking mechanism; and comprehensively compared with an existing lower side door, the lower side door has high practicability and economical efficiency for improving the unloading speed of the open wagon, reducing the transportation cost and reducing the transportation workload and the risk coefficient.

The invention discloses a handrail box lock and a handrail box, relates to the technical field of automobile interior design, and aims to solve the problems that an existing handrail box lock is complex in structure and unstable in locking. The handrail box lock comprises spring bolts, and locking structures are arranged corresponding to the spring bolts and comprise buckles which are matched with the spring bolts and can rotate. Elastic parts are arranged in locking space, used for accommodating the spring bolts, of the buckles, the buckles are sleeved with rotating rods in a slideable mode, and the rotating rods are rotatably arranged on operating parts. In the locking process, the spring bolts force the buckles and the rotating rods to jointly rotate to open and enter the locking space, the operating parts make the rotating rods and the buckles reset, and the elastic parts make the spring bolts abut against the buckles. In the unlocking process, the operating parts are pressed to make the rotating rods and the buckles to jointly rotate to open, and the spring bolts are separated from the locking space under the effect of the elastic parts. The handrail box lock is used for locking the automobile handrail box.

The invention relates to a desk circular saw machine. The begone stopper member is pressed on the side of the safety cup to form moving resistance, therefore the safety cup maybe not rotate smoothly, wherein the stopper member is used to locking the safety up which rotates relative to cutter shield to switch the cutter at the dead point on the main body of cutting-off machine to make it not open.In the said invention, even the stopper member is bunted with the side, the safety cup will rotate smoothly. The stopper member (41) is separated into stopper supporter (42) and stopper main body (43), and a second energizing unit (43b) is mounted betweent the two parts, to make the energized force on the restrict part (43a) of the stopper main body (43) less than the first energized force of the dead point locking mechanism.

Floor panels (1, 1', 1' ' ) are shown, which are provided with a mechanical locking system on long and short edges (5a, 5b, 4a, 4b) allowing installation with vertical folding and where the long edge (5a, 5b) locking system prevents separation of the short edges (4a, 4b) during the folding action.

Floor panels (1, 1', 1' ' ) are shown, which are provided with a mechanical locking system on long and short edges (5a, 5b, 4a, 4b) allowing installation with vertical folding and where the long edge(5a, 5b) locking system prevents separation of the short edges (4a, 4b) during the folding action.

The invention provides an on-off valve-based pneumatic control method for synchronizer shifting. According to the moving position and moving speed of the synchronizer, the synchronizer shifting process is divided into a shifting stage, a synchronizing stage, a ring shifting stage and a shifting stage. Adopting the pneumatic buffer control function in the gear-off stage, the pneumatic buffer control function in the ring shifting stage and the pneumatic buffer control function in the gear-in stage, during the shifting process of the synchronizer, the impact of the contact of the synchronizer ring at the beginning of the synchronizer is reduced, and the synchronizer is improved. The service life ensures reliable locking function, prevents the phenomenon of "squeaking teeth", reduces the end face impact noise at the end of shifting, and improves shifting quality.

The invention discloses a vibration exciter fixed mounting device which mainly comprises a vibration exciter fixing platform assembly, supporting foot assemblies, a screw rod sliding assembly and a rotary table assembly. The vibration exciter fixing platform assembly is fixed at one end of the screw rod sliding assembly by a nut; the screw rod sliding assembly is arranged on the rotary table assembly; the supporting foot assemblies are connected with the rotary table assembly so as to support the vibration exciter fixing platform assembly. The vibration exciter fixed mounting device is flexible to regulate, is reliable to fix, is simple to mount, has a compact structure, has a lighter weight, is convenient to use in the external field and has better adaptability.

The invention relates to an emergency escape window for a rail transit vehicle, and the window comprises a window frame, a casement, and an actuation mechanism which is used for locking or opening the casement. The actuation mechanism comprises a four-rod structure which is formed by the sequential connection of an action block, a first connecting rod, a handle, and a second connecting rod. The casement is locked in the window frame through a dead point of the four-rod structure, and can be unlocked through the unlocking of the dead point, thereby opening the window. The invention also provides the rail transit vehicle comprising the above window. The window is locked through the dead point of the four-rod structure, is reliable in locking function, is short in starting transmission link, and is quick in emergency usage. The window is simple in structure, is more convenient in installation and use, and is high in reliability.

The invention discloses a wedge-shaped locking and sealing structure of a camera handle key, which is characterized in that a wedge-shaped locking piece is arranged in a camera handle from outside toinside, and the direction of extrusion force is changed through a wedge-shaped inclined plane, so that key silica gel is extruded by a key fixing plate and the inner surface of the camera handle, andthe sealing of the position of the camera handle key is realized; and the sealing and mounting modes are effective and reliable.