59results about How to "Avoid accidental unlocking" patented technology

The invention discloses a child restraint system, which comprises a base and a seat. A turntable bracket is fixed on the base. A turntable matched with the turntable bracket is arranged on the bottom of the seat. At least Three claws, each claw is pressed against the edge of the turntable at intervals to limit the position of the turntable; the turntable is equipped with a pitch adjustment frame, the seat is installed on the pitch adjustment frame, and the pitch adjustment frame and A matching angle locking mechanism is also provided between the seats, and the pitch adjustment frame includes a bottom bracket and two support plates standing side by side on the bottom bracket; along the movement path for adjusting the pitch angle of the seat, the two support plates One end is provided with a first guide rod, and the other end is provided with a second guide groove; the seat is provided with a first guide groove matched with the first guide rod, and a first guide groove matched with the second guide groove The second guide rod; the guide rod moves along the corresponding guide groove to guide the seat to adjust the pitch angle.

The invention discloses a hard disk bracket module locking and unlocking mechanism. The mechanism comprises a bracket front panel, a bracket handle which is arranged on the bracket front panel in a mode of being capable of being stored and unfolded in the preset direction and used for being grasped by a hand to apply force, and a locking piece which is arranged on the bracket front panel in a rotatable mode and used for being connected with the bracket handle in a clamped mode to lock the bracket handle in a storage state; and an unlocking button which is arranged on the front panel of the bracket in a pressing manner and is used for forming point-surface abutting with the locking piece in a stroke so as to drive the locking piece to rotate by a preset angle until the locking piece is separated from the bracket handle. Thus, in the pressing stroke of the unlocking button, rotary unlocking is formed between the locking piece and the bracket handle through point-to-surface contact between the locking piece and the unlocking button. The contact area between the unlocking button and the locking piece is reduced, the rotating stroke and the contact time are short, the unlocking button and the locking piece are not prone to adhesion after long-term use, the structural reliability is high, and the service life is long. The invention further discloses a server case, and the beneficialeffects of the server case are as described above.

The invention relates to the field of electric connectors, in particular to a rectangular electric connector with a locking function and a component of the rectangular electric connector. The front end of the electric connector serves as a plugging end. The electric connector comprises a shell and a locking fastener, wherein the locking fastener comprises two ribs which are parallel to each other and a transverse arm which is connected between the two ribs; the two ribs are respectively hinged on the left and right sides of the shell; the transverse arm is positioned above the shell; a locking groove is formed on each rib and provided with an opening into which a lug on an adapter connector is inserted; a limiting groove is formed on the inner side face of at least one of the two ribs; a limiting block which is used for limiting a forward rotation angle of the locking fastener is arranged on the opposite side face of the shell; the limiting block is protruded into the corresponding limiting groove; and in the plugging process of the electric connector and the adapter connector, when the forward rotation of the locking fastener is limited by the limiting block, the opening of the locking groove faces the lug on the adapter connector. By the invention, the problem of inconvenience for operation of the conventional rectangular electric connector with the locking fastener is solved.

The invention provides a door lock mechanism for automatic driving metro vehicle urgent evacuation equipment. The door lock mechanism comprises a lock mechanism installing frame, an electromagnet, anarmature, a swing rod unlocking device and an urgent unlocking device. The swing rod unlocking device is installed on the middle portion of the bottom face of the lock mechanism installing frame. Lockblock assemblies are fixed to the two ends of the bottom face of the lock mechanism installing frame correspondingly. The swing rod unlocking device and the two lock block assemblies are connected through first steel cables. An armature support capable of moving transversely is movably connected to the lock mechanism installing frame. The armature support and the urgent unlocking device are connected through second steel cables. When a train operates normally, the electromagnet is energized, the armature is located at a high position, after a train control system cuts off power of the electromagnet, the armature falls, the armature moves horizontally along with the armature support to poke a swing rod of the swing rod unlocking device to swing, the first steel cables on the two sides arelocally rolled into the swing rod unlocking device, the first steel cables drive lock hooks in the lock block assemblies to act, and therefore the lock hooks are separated from lock buckles on door hinges. The door lock mechanism can meet the requirement of operation of automatic driving metro trains, and a passenger can carry out door opening operation on the permissive condition of the train control system.

The invention provides an emulsion pump capable of preventing opening and leakage in a transportation process. The emulsion pump comprises a pressing head, a lock cover, a screw tooth, a body, a main column, a secondary column, a piston, a glass ball, a spring and a waterproof ring; a plug part is arranged at the lower part of an external thread of a locking sleeve; a locking part is arranged at the lower part of the plug part; an axial locking groove is formed in the locking part; a cylinder part is arranged at the lower part of an inner thread of the central locking sleeve; an annular stopping platform is arranged on the cylinder part; a positioning block is arranged on the cylinder part at the lower part of the annular stopping platform; the plug part and the cylinder part at the upper part of the annular stopping platform are in hydraulic seal and are detachably connected; the locking part at the lower part of the plug part is in inserting connection with the cylinder part at the lower part of the annular stopping platform; the lower end of the plug part is matched with the annular stopping platform; and the positioning block and the axial locking groove are embedded and positioned and are prevented from rotating. The lower end of the axial locking groove is matched with the annular stopping platform, and the positioning block and the axial locking groove are embedded and positioned and are prevented from rotating; the pressing head and the lock cover can be separated through a certain torque; accidental unlocking can be prevented; and a double-curve sealing sleeve part and an inner wall of the body have a good sealing property.

The invention provides a cabin door control lock. The cabin door control lock comprises a lock part and a self-locking device. The lock part comprises a handle and a lock tongue. The handle is arranged outside a cabin door and fixed with the lock tongue, and the handle and the lock tongue coaxially rotate. A lock groove is formed in a door frame of the cabin door, and the lock tongue can rotate in the lock groove. The self-locking device comprises a pin shaft installed in the handle. A button is fixed to the end, away from the cabin door, of the pin shaft, a groove is formed in the handle, and the button is arranged in the groove. A certain distance is reserved between the bottom face of the button head and the bottom face of the groove. The self-locking device further comprises a supporting seat and a keyway which are both arranged in the cabin door and mutually fixed. A lock pin and a spring are installed in the keyway, and the two ends of the spring make contact with the keyway and the lock pin correspondingly. The lock pin, the spring, the keyway and the pin shaft are coaxially arranged, and one end of the lock pin stretches into the handle and makes contact with the pin shaft.

The invention discloses an automatic electronic lock. The automatic electronic lock comprises a lock case, a lock cylinder assembly, a lock bolt and a resetting assembly, wherein the lock bolt is located at the front end of the lock case and can penetrate the lock case axially; the lock cylinder assembly comprises a driving component and a transmission component; the transmission component comprises a push block; the driving component drives the lock bolt to unlock and lock through the push block; and after unlocking, when the driving component stops working, the lock bolt can realize automatic double-acting locking under the driving of the resetting assembly. When the automatic electronic lock is used, a motor is started, the resetting assembly is used for driving the push block to move forwards or backwards so as to push the lock bolt to move forwards to backwards and realize the functions of locking and unlocking; and after unlocking, when the lock cylinder assembly is in a power-off condition, the automatic resetting locking can be realized through the resetting assembly, thereby improving the safety and reliability of the electronic lock. The automatic electronic lock is simple in structure, has high product manufacturability and stability, can be produced in batches and conforms to the daily operating rabbits of people; and the cost of the product is reduced.

The invention provides a locking device for a deep-sea manned submersible hatch cover. The locking device comprises a rotary shaft penetrating through the hatch cover. A sealing mechanism is arranged among the hatch cover, a shaft sleeve on the hatch cover and the rotary shaft. The two ends of the rotary shaft are provided with an external rotation hand wheel and an internal rotation hand wheel respectively. The rotary shaft is provided with a transmission threaded section, a traction nut is installed on the transmission threaded section, and two to four connecting rod mechanisms are distributed on the traction nut in the equal included angle mode. Each connecting rod mechanism comprises a short traction rod, a long traction rod, a locking rod and a supporting rod, wherein one end of each short traction rod is hinged to the traction nut, one end of each long traction rod is hinged to the shaft sleeve on the hatch cover, the other end of each short traction rod and the other end of the corresponding long traction rod are hinged to the rear end of the corresponding locking rod, the front middle portion of each locking rod is hinged to one end of the corresponding supporting rod, the other end of each supporting rod is hinged to the hatch cover, and the front end of each locking rod is a locking end. According to the locking device, a pressure-resistant shell structure is not damaged, even and reliable pressing force can be provided, and the locking device is used for locking the deep-sea manned submersible hatch cover.

The invention provides an assembly indicator and a quick connection device. The assembly indicator is in axial sleeved connection with the butt joint end, allowing an opposed insertion pipe to be inserted, of a sleeving part of the quick connection device, and a locking ring is arranged in the sleeving part. The assembly indicator comprises an indicator body with a through hole, and at least one interference pin extending out from the indicator body, and the interference pins extend towards the interior of the butt joint end of the sleeving part around the through hole. The positions of the interference pins in the sleeving part are configured as follows: when the locking ring deforms due to the insertion of the opposed insertion pipe, the interference pins and the locking ring form axial interference, and when the locking ring returns to a natural state as the opposed insertion pipe is inserted in place, the interference pins axially move towards the butt joint end until the interference pins and the locking ring form radial interference. The assembly indicator provides visual indication of the connection state between the opposed insertion pipe and the quick connection device, and can prevent accidental unlocking of the opposed insertion pipe.

The invention discloses a folding bicycle frame and a bicycle frame folding method. The folding bicycle frame comprises a bicycle frame main body, a rear wheel frame, a stand and a locking element. The rear wheel frame is movably connected with the bicycle frame main body through a first hinge shaft. The locking element is arranged on the bicycle frame main body. The rear wheel frame is provided with a locking-fixing part. The locking element is provided with a locking part. The rear wheel frame is provided with a support position and a folding position. When located in the support position, the rear wheel frame is locked by the locking part and the locking-fixing part which are opposite. When the locking part leaves the locking-fixing part, the rear wheel frame is located in the folding position. The stand is movably connected with the bicycle frame main body through a second hinge shaft and provided with a support position, a folding position and a locking prodding part. When the stand is located in the folding position, the locking prodding part gets far away from the locking element. When the stand is located in the support position, the locking prodding part gets close to the locking element. According to the folding bicycle frame and the bicycle frame folding method, operation is more convenient, and safety is higher.

The invention discloses a fingerprint unlocking method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: obtaining the current ambient light brightness when a touch signal of a user is received; when the current ambient light brightness is smaller than a preset brightness threshold value, performing reduction processing on a screen fingerprint detection area; when a touch position corresponding to the touch signal is located in the reduced screen fingerprint detection area, lightening a screen corresponding to the touch position, and obtaining fingerprint information of the user; and performing fingerprint unlocking according to the fingerprint information of the user. Therefore, according to the method, the screen fingerprint detection area is processed according to the ambient light brightness, under the condition that the advantage of large-area under-screen fingerprint unlocking is utilized, finger mistaken touch unlocking caused by a large-area fingerprint recognition area can be effectively avoided, and meanwhile the power consumption of the screen can be reduced.

The invention relates to the electric connector field, especially to an anti-false shedding plug and an electric connector assembly using the same. The plug comprises a plug housing and a spring claw; and the spring claw forms a seesaw structure at the plug housing. A safety sliding block that can move back and forth and has a supporting structure is arranged at the plug housing; a locking station and a delocking station of the safety sliding block are arranged at the plug housing; and the safety sliding block is assembled to the plug housing in a backward anti-shedding mode. A spring key is arranged at one of the plug housing and the safety sliding block; and a locking positioning hole and a delocking positioning hole are formed in the other one. When the spring key is clamped into the corresponding locking positioning hole, the safety sliding block is located at the locking station and the supporting structure prevents the rear end of the spring claw from approaching to the plug housing; and when the spring claw is clamped into the corresponding delocking positioning hole, the safety sliding block is located at the delocking station and the supporting structure is located at the rear of the spring claw. With the anti-false shedding plug, a problem of accidental shedding of the existing plug with the spring claw locking mechanism can be solved.

The application provides a locking mechanism and a padlock, belonging to the field of locks. Wherein, the locking mechanism includes a lock body, a lock pin, a slide block, a driving mechanism and a locking mechanism. The lock pin is movably arranged on the lock body. The slider is movably arranged on the lock body, and the slider has a first position for locking the lock pin and a second position for unlocking the lock pin. The driving mechanism is used to drive the slider to move between the first position and the second position. A locking mechanism is used to releasably lock the slider in the first position. When the slider is at the first position and the lock pin is locked, the slider can be locked by the locking mechanism, so that the slider has good stability at the first position, effectively avoiding the situation of accidentally unlocking. When the lock needs to be unlocked, the sliding block can be released by the locking mechanism. After the driving mechanism drives the sliding block to move from the first position to the second position, the lock pin is unlocked, and the lock pin can move relative to the lock body to realize unlocking.

The invention relates to an anti-theft lock and a key thereof. A central line of outer pin tumbler mounting grooves and inner pin tumbler mounting grooves is arranged in the 0.2-0.5 mm position on one side of a vertical line of centers of an outer lock core and an inner lock core; through sliding plug column mounting grooves are formed in the inner lock core on the other side of the vertical line of the centers of the outer lock core and the inner lock core; middle parts of the sliding plug column mounting grooves are communicated with a key hole; a sliding plug column is movably mounted in each sliding plug column mounting groove; a sliding positioning block is arranged in the position, close to the circumferential direction of the inner lock core, of the upper parts of the sliding plug column mounting grooves; the sliding positioning block is mounted on one sides of the sliding plug columns through bolt springs; a sliding positioning block groove matched with the sliding positioning block is formed in the outer lock core. When in use, the sliding plug columns are mounted for use in a matching manner, so that the space of the key hole is reduced, and the effect of preventing technology unlocking is achieved, and since the anti-theft lock is equipped with the sliding positioning block, a more obvious positioning effect is achieved, and false unlocking is avoided.

The invention discloses an automatic electronic lock. The automatic electronic lock comprises a lock case, a lock cylinder assembly, a lock bolt and a resetting assembly, wherein the lock bolt is located at the front end of the lock case and can penetrate the lock case axially; the lock cylinder assembly comprises a driving component and a transmission component; the transmission component comprises a push block; the driving component drives the lock bolt to unlock and lock through the push block; and after unlocking, when the driving component stops working, the lock bolt can realize automatic double-acting locking under the driving of the resetting assembly. When the automatic electronic lock is used, a motor is started, the resetting assembly is used for driving the push block to move forwards or backwards so as to push the lock bolt to move forwards to backwards and realize the functions of locking and unlocking; and after unlocking, when the lock cylinder assembly is in a power-off condition, the automatic resetting locking can be realized through the resetting assembly, thereby improving the safety and reliability of the electronic lock. The automatic electronic lock is simple in structure, has high product manufacturability and stability, can be produced in batches and conforms to the daily operating rabbits of people; and the cost of the product is reduced.

The invention provides a contact transmission type three-tongue lock and a vehicle, and relates to the technical field of door locks. The contact transmission type three-tongue lock comprises a lock cylinder body, a ratchet clamping and releasing assembly, an unlocking assembly, a lock tongue assembly, a main shaft assembly and handles. The lock cylinder body comprises a lock cylinder and a base; two lock tongue holes are formed in the base. The lock tongue assembly comprises two lock tongue cylinders; the two lock tongue cylinders are inserted into or separated from the two lock tongue holes. The lock cylinder is clamped into the ratchet clamping and releasing assembly to trigger the two lock tongue cylinders to insert into the two lock tongue holes. The handles are mounted at one end of the main shaft assembly; the handles are rotated so that the main shaft assembly drives the two lock tongue cylinders to separate from the two lock tongue holes and drives the unlocking assembly to trigger the ratchet clamping and releasing assembly to release the lock cylinder to realize unlocking. According to the contact transmission type three-tongue lock, the lock cylinder is clamped into the ratchet clamping and releasing assembly to realize primary locking; the two lock tongue cylinders are inserted into the two lock tongue holes to realize secondary locking protection; in great vibration, accidental unlocking is avoided; the security is high.