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

The invention discloses a sliding device and a head-mounted display. The sliding device comprises a transmission support, a sliding groove base and a pushing member, wherein the sliding groove base is provided with a sliding groove; the transmission support can be inserted in the sliding groove in a sliding mode, and a locked member is arranged between the transmission support and the sliding groove; the pushing member is driven by external force to move in a reciprocating mode and is provided with a push-and-pull portion matched with the locked member; the push-and-pull portion pushes the locked member in a reciprocating mode, forward moving locking or backward moving locking of the locked member is released correspondingly, and the transmission support is driven to correspondingly move forward or backward further; when the push-and-pull portion stops pushing, the locked member returns to a locking state. The head-mounted display is provided with the sliding device. The sliding device has a self-locking function, and therefore solves the technical problem that an existing sliding device is easy to operate mistakenly. The head-mounted display has the advantages of being reliable, difficult to operate mistakenly and the like.

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 present invention relates to a locking mechanism (13) comprising a first locking member (11), a second locking member (12), and a biasing member (14) exerting, during operation, a biasing force (FB) on at least the first locking member (11) or the second locking member (12) in a biasing direction (B). The locking mechanism further comprises a guiding structure (32) for mutually guiding the first and second locking members (11, 12), wherein the first locking member (11) comprises a track structure (15) and the second locking member (12) comprises a guided element (16) guided by the track structure (15). The locking mechanism (13) is moved from an un-locked to a locked condition by applying a pushing force to at least one of the first and second locking members (11, 12). The locking mechanism (13) can be moved from the locked to the un-locked condition by applying either a pushing or a pulling force to at least one of the first and second locking members (11, 12). The invention further relates to a device comprising such a locking mechanism (13). Such a device may be a holding device (40) for a shaving apparatus (24), for example a cleaning device for cleaning a shaving head (26) of a shaving apparatus (24).

The invention relates to structural design of fasteners, in particular to a pin. The pin comprises a cylindrical pin body, a first installing hole formed in the end portion of the first end of the pinbody, a second installing hole formed in the end portion of the first end of the pin body, and located on the side, backing onto the first end, of the first installing hole, an elastic pulling ring provided with an open end, and a spring rod, wherein the elastic pulling ring is detachably arranged in the first installing hole through the open end; the spring rod comprises a fixed end, an extending portion and a hook end which are sequentially connected; the fixed end is fixedly arranged in the second installing hole; the extending portion extends to the second end of the pin body in the length direction of the pin body; and a hook matched with the second end of the pin body is formed at the hook end. The pin is simple in structure and convenient to operate; and due to the fact that the locking insurance is performed at the hook end of the spring rod, the locking function is reliable.

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 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 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.

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.