42results about How to "Implement double locking" patented technology

The invention discloses a high-voltage power distribution cabinet with anti-theft function, which comprises a left cabinet door and a right cabinet door, both of which are hinged with the cabinet body, and straight teeth are arranged on the right cabinet door bar, and the right cabinet door is fixedly connected with a slide rail, the bottom end of the spur rack is slidably connected to the slide rail, and the first gear is meshed above the spur rack. The combination with the alarm realizes the double locking of the power distribution cabinet and the function of timely alarming. After inserting the insertion rod that matches the special-shaped ring, rotate counterclockwise, and the straight rack moves to the right to release the lock on the cabinet door, and at the same time drives the The second gear meshes with the arc-shaped rack and rotates counterclockwise, disengages from the first arc-shaped sleeve, and the arc-shaped rack will drive the limit block to move down and continue to press against the top plate. When the door is broken violently, the straight rack will break and loosen the top plate. When the pressure is pressed, the spring will push the second contact piece to contact the first contact piece, and the alarm will be energized to give an alarm.

The invention relates to an accelerator and brake combined device for vehicles. In the device, a pedal is hinged above a braking vane; a gliding resistor is arranged between the pedal and the braking vane; rightward deflection of the pedal changes resistance values of the gliding resistor; the accelerator is controlled by a control device and a servomotor, so that motion directions in treading the brake and treading the accelerator can be differentiated, braking can be realized by treading the pedal downwards, and acceleration can be realized by deflecting the pedal rightwards so as to effectively avoid falsely treading the accelerator in emergency brake, and reduce traffic accidents caused by falsely treading the accelerator; and in emergency brake, the right foot can directly tread the pedal downwards for braking without changing from the accelerator pedal to the braking pedal, and a connecting rod drives the pedal to reset so as to close the accelerator. Therefore, the device shortens the time of emergency brake, shortens the brake distance, effectively reduces the probability of accident occurrence, and reduces losses of lives and properties.

The invention discloses a multifunctional folding cart. The cart includes a supporting panel and casters arranged at the bottom of the supporting panel. The supporting panel is of a foldable structure; the supporting panel is provided with a caster accommodating space for accommodating the casters; the casters are arranged on the supporting panel through a hinge seat. The caster is provided with afirst working position perpendicular to the supporting panel after unfolding and a second working position folded and accommodated in the caster accommodating space; at the same time, the supportingpanel is provided with a caster locking element for holding the casters in the first working position or at the second working position. According to the multifunctional folding cart provided by the invention, retraction of the pushing rod can be conveniently realized. At the same time, the supporting panel is a folding structure. When not in use, the supporting panel can be further folded to reduce the space occupied by the cart. It can also be used as a turtle car or a support plate. The function is more comprehensive and the practicability is stronger.

The invention discloses an outward-opening type fire resisting window. The outward-opening type fire resisting window comprises a fixing frame and a turning frame, wherein the turning frame is connected in an outward turning mode relative to the fixing frame, and a spring hinge driving the turning frame to close is arranged between the fixing frame and the turning frame; a locking body is arranged at the bottom of the turning frame; a handle and a locking rod are arranged on the turning frame, and the locking rod is driven by the handle to rotate; the locking body comprises a locking case, a rotating piece, a pushing piece and a locking tongue, wherein the rotating piece is driven by the locking rod to rotate; the pushing piece abuts against a clutch of the rotating piece; the locking tongue is connected with the locking case in a slipping mode; the indoor-toward side face of the locking tongue is outdoors inclined ; and a first locking base is arranged on the fixing frame and is used for inserting of the movably locking tongue. When the turning frame is closed relative to the fixing frame, the locking tongue is drawn into the locking case, and the locking tongue is inserted into the first locking base through a first elastic piece, so that automatic locking is achieved.

The invention provides a gate lock device of vending machine, using auxiliary lock as selected component, when the user does not need the auxiliary lock, not installing the auxiliary cylindrical lock, and instead, making the bolt mechanism on the gate as standing component coupled with the handle lock, thus able to realize double locking. In the gate lock device installed with lock base, lock rod sliding up and down, handle lock and auxiliary lock, it uses the bolt mechanism as standing component and installs the bolt mechanism on the gate in advance, in the state that the auxiliary lock is installed, makes the bolt coupled with the auxiliary cylindrical lock, and in the state that there is no auxiliary lock, by the auxiliary operating rod additionally combined on the handle lock, makes the bolt coupled with the handle lock, thus realizing double locking.

The invention relates to a special lock for a double-safety container. The special lock for the double-safety container comprises a lock beam, a U groove-shaped lock catch and a lock rope, and is characterized in that a plurality of through holes are formed in the lock beam at equal intervals; the left end of the lock beam inwards bends to form a U-shaped lock groove; first inserting slots are formed in the top parts of two ends of the lock catch; a lock lug is fixed to the outer side of the top part of the left side of the lock catch and is parallel to the lock beam; a second inserting slot corresponding to the first inserting slots is formed in the lock lug; lock holes corresponding to the through holes are formed in the lock lug; the lock catch is inserted onto the lock beam through thefirst inserting slots and the second inserting slot, and is locked through the lock rope; a position of the lock catch on the lock beam is adjusted, so that a width distance between the lock groove and the lock catch is adjusted, and the special lock provided by the invention can conveniently adapt to door posts with different width distances and is wide in application range; and the lock grooveis in a U shape so as to be conveniently hooked and fixed on the door post, so that the convenience in locking is realized. The special lock for the double-safety container provided by the invention is simple in structure, firm, safe, long in service life, and worth to be popularized and applied.

The invention discloses a clamping claw type water supply device and a construction method thereof. The clamping claw type water supply device comprises a mandrel, bearings and a bearing sleeve whichare coaxially arranged in a distributed mode in sequence from inside to outside, and a high pressure water connector is installed on the side wall of the mandrel. The clamping claw type water supply device further comprises a force transmission hollow shaft which is coaxially and tightly installed in the mandrel in a sleeved mode, and the high pressure water connector is in communication with thetransmission force hollow shaft in a sealing mode. A rotating handle is arranged at the closed end of the force transmission hollow shaft, and an annular piston and a clamping claw are sequentially arranged at the open end of the force transmission hollow shaft in the axial direction. The clamping claw comprises a cylindrical part and elastic claw pieces sequentially arranged in a distributed modeat intervals in the circumferential direction of the cylindrical part, and claw piece wedge-shaped surfaces are arranged on the end parts of the elastic claw pieces. A clamping claw sleeve coaxiallysleeves the outer wall of the clamping claw, and one end of the clamping claw sleeve is fixedly connected to the end part of the bearing sleeve through a piston cylinder barrel. A wedge-shaped inner wall matched with the claw piece wedge-shaped surfaces is arranged on the inner wall of the other end of the clamping claw sleeve, and balls are disposed between the claw piece wedge-shaped surfaces and the wedge-shaped inner wall. According to the clamping claw type water supply device and the construction method thereof, the instantaneous disassembly and assembly of the water supply device and adrill pipe can be realized, high pressure resistance, simple operation and high reliability are achieved, and the drilling efficiency can be effectively improved.

The invention relates to the field of optical disk storage, and discloses a lock catch type optical disk cartridge. The lock catch type optical disk cartridge comprises a cartridge body with an opening formed in the front end and an optical disk tray arranged in the cartridge body. A disk ring used for carrying an optical disk is arranged in the middle portion of the optical disk tray. Optical disk clamping pieces are arranged on the optical disk tray and are close to the disk ring. The cartridge body is provided with a tray lock catch piece, and the tray lock catch piece can slide between a locking position and an unlocking position. When the tray lock catch piece is located at the locking position, the optical disk clamping pieces are driven by the tray lock catch piece to move towards the disk ring, so that the optical disk is clamped in the disk ring. When the tray lock catch piece is located at the unlocking position, the edge of the optical disk is not extruded by the optical disk clamping pieces. The lock catch type optical disk cartridge is simple in structure and protects the optical disk, the absolute rest of the optical disk tray and the optical disk in the optical disk cartridge is guaranteed, and the storage safety and the transportation stability of the optical disk are improved.

The invention provides a connecting device for a charging gun and a charging interface, and belongs to the technical field of electric vehicle charging. The connecting device for the charging gun andthe charging interface comprises a guide head arranged on the charging gun and a clamping assembly arranged on the charging interface, the charging gun and the guide head are connected through a flexible joint, the guide head comprises a horn clamping block, a charging base, a turntable, a pin shaft I, a pin shaft II, a connecting rod I, a connecting rod II, a motor I and a guide block, and the clamping assembly comprises a notch gear ring, a gear and a motor II. The connecting device has the advantage that the charging gun and the charging interface can be connected more firmly.

The invention relates to the technical field of dies and discloses a cross beam blanking die convenient to assemble and disassemble. The cross beam blanking die comprises a bottom die body and a top die body. A first installing plate and a second installing plate are fixedly installed on the sides, away from each other, of the bottom die body and the top die body correspondingly. The sides, away from each other, of the bottom die body and the top die body are provided with two thread grooves and four inserting grooves located in the left sides and the right sides of the thread grooves. Inserting rods with the ends extending into the inserting grooves are fixedly installed on the opposite sides of the first installing plate and the second installing plate correspondingly. Two grooves are formed in the sides, away from each other, of the first installing plate and the second installing plate correspondingly. According to the cross beam blanking die convenient to assemble and disassemble,limiting rods are rotated into the thread grooves, limiting rings are pushed to slide in sliding grooves through sliding blocks, the limiting rings penetrate through locking rods, the outer sides ofthe locking rods are sleeved with gaskets, nuts are twisted to drive the gaskets to move, the gaskets are closely attached between the nuts and the limiting rings, and therefore the cross beam blanking die is convenient to install.

The invention discloses a cooking utensil. The cooking utensil comprises a pot body assembly; a pot cover assembly suitable for being arranged on the pot body assembly in a covering mode and capable of rotating between a cover opening position and a cover closing position around the axis of the pot body assembly; a first self-locking assembly provided with a first self-locking position for lockingthe cooker cover assembly, wherein the first self-locking assembly is located at the first self-locking position when the cooker cover assembly is located at the cover closing position so as to stopthe cooker cover assembly from rotating towards the cover opening position; and a second self-locking assembly provided with a second self-locking position for locking at least one of the first self-locking assembly and the cooker cover assembly, wherein when the cooker cover assembly is located at the cover closing position, the second self-locking assembly can move to the second self-locking position so as to strengthen stopping of rotation of the cooker cover assembly towards the cover opening position. According to the cooking utensil, double locking can be achieved, the stopping effect onthe pot cover assembly is enhanced, stopping is stable, the situation that the pot cover assembly is forcibly opened when pressure exists in the cooking utensil can be effectively avoided, and use issafer.

The invention relates to door and window accessories, and particularly relates to a crescent lock for a door or a window. The crescent lock comprises crescent moons, a handle gasket, a handle seat, a leaf spring, a push key and a spacer, wherein the crescent moons are orderly sleeved on a long column of a handle; the hand gasket includes a sleeve; the crescent moons and a handle sleeve rotate together with the long column of the handle; the handle seat is sleeved on the sleeve; two parallel planes are arranged on the long column of the handle; a plurality of strip spring blocks on the handle seat are distributed at two sides of the long column of the handle; the leaf spring is arranged on the handle seat; a plurality of bumps are arranged on the leaf spring; two grooves identical to the bumps and positioning blocks are arranged on the push key; the positioning blocks are matched with an open slot in the spacer; the push key locks the long column of the handle in a fixing manner when the positioning blocks are clamped on the open slot. Thus, a dual-lock function is achieved. The spring is replaced by the strip spring plate. Thus, the service life of the crescent lock is prolonged; the crescent lock is reasonable in structure, stable to rotate, high in safety coefficient, and convenient to install; the entire product is humanized.

The invention provides a draw-bar box wheel collection and ejection device, which comprises a framework, a driving pulling sheet, a pulling sheet spring, a lock buckle, a lock buckle spring, a piston pin, a piston case, a piston spring, a piston back cover, a wheel fork, a support rod, wheels, a wheel fork rotating shaft and a framework back cover. The whole body is divided into five sub assembly bodies according to the functions; the framework and the framework back cover form a framework assembly body with the function of providing a support base body for the whole assembly body; the driving pulling sheet and the pulling sheet spring form a driving pulling sheet assembly body with the function for providing the initial starting actions of the wheel ejection; the lock buckle and the lock buckle spring form a lock buckle assembly body with the function of locking the wheels when the wheels are collected; the piston pin, the piston case, the piston spring and the piston back cover form a piston assembly body with the function of providing torque for the wheel ejection; the wheel fork, the support rod, the wheel and the wheel fork rotating shaft form a wheel assembly body which is a final execution mechanism. The wheels are ejected out through pushing the driving pulling sheet; the wheel collection action can be completed through inwards and slightly pushing the wheels by foot.

The invention provides a hanging mechanism used between a ship and a highline cable. The hanging mechanism comprises an emergency disengaging mechanism, a connecting side plate and a base, the emergency disengaging mechanism comprises a highline cable hook, a stationary clamp, a movable clamp, multiple pin shafts and a safety block pin. The connecting side plate is in a strip shape and provided with multiple through holes; the highline cable hook is in a bent hook shape, a first end of the highline cable hook is fixed to the side portion of the connecting side plate through a first pin shaft and a first through hole in the connecting side plate, and a second end of the highline cable hook can rotate around the first pin shaft; the movable clamp is provided with a clamp opening, and the clamping opening is used for clamping the free end of the highline cable hook. The stationary clamp is rotatably installed on the connecting side plate, located on the side portion of the movable clamp and used for abutting against a recess which is located at the outer side of the movable clamp, and the movable clamp is prevented from breaking away from the highline cable hook. According to the hanging mechanism, the highline card hook is locked through the movable clamp and the stationary clamp, and when the emergency disengagement is needed, it only needs to open the stationary clamp, and the movable clamp can be pushed open through the intrinsic pulling force of the highline cable, so that the emergency disengagement is achieved.

The invention relates to the field of household electrical appliances, in particular to a household electrical appliance door lock system and door lock control method and a household electrical appliance. The door lock system comprises a door switch and a blocking assembly, wherein the door switch is used for unlocking or locking up a body of the household electrical appliance and a door body of the household electrical appliance; the blocking assembly is electrically connected to a controller the household electrical appliance and is rotationally connected to the body, when the household electrical appliance is in a first preset working process, the blocking assembly can rotate to the side of the door switch so as to limit the door switch to rotate to the side of the blocking assembly, the door switch is locked, so that the body and the door body are kept in a locked state. Through the blocking assembly, automatic locking and unlocking of the door switch are realized. In the drying process of a dish washing machine, the door switch is locked through the blocking assembly, so that when an external force acts on the door switch, the door switch cannot act, and the body and the doorbody are kept in a locked state, the problem a user gets a burn when the door body is opened by misoperation in the drying process of the dish washing machine is solved.

The invention discloses a swinging board with a double-safety device. The swinging board comprises a fixed seat. A fixed column is arranged on the fixed seat. The swinging board is characterized in that a moving groove is formed in the front end of the fixed column; guide rails are arranged on the two sides of the moving groove, a moving sleeve is inserted between the guide rails, and an insertingblock is arranged on the moving groove and arranged in the guide rails; a bearing is arranged in the inserting block and internally provided with a rotating shaft, and a swinging board body is arranged on the front section of the rotating shaft; a first fixed plate is arranged on the position, below the moving sleeve, in the fixed column, and a first spring is arranged between the first fixed plate and the moving sleeve; a cross-shaped through hole is formed in the rear end of the rotating shaft, and a second fixed plate is arranged on the position, above the cross-shaped through hole, of theinner wall of the fixed column; a positioning column is arranged on the lower end face of the second fixed plate and inserted into the cross-shaped through hole; and guiding rods are arranged on thetwo sides of the fixed column, and handle rods are inserted in the guiding rods.

The invention relates to a device for protecting passengers, which is characterized by comprising a control circuit, an electromagnet YA I and a locking component, wherein the electromagnet YA I is fixed in a vehicle, and the locking component can be worn at the back of a person and is made from an induced magnetism material; the control circuit comprises a power supply, a relay KR and a first switch installed in the vehicle; the power supply, the first switch and a coil of the relay KR are sequentially connected in series to form a closed loop, and both ends of a coil of the electromagnet YAI are connected with a pair of normally open contacts krl-l of the relay KR; when the power supply is switched on and the first switch is closed, the normally open contacts krl-l of the relay KR are closed, and the electromagnet YA I generates an electromagnetic field and sucks the locking component; and when the power supply is switched off, the normally open contacts krl-l of the relay KR recover a switching-off state, the electromagnetic field disappears, and the electromagnet YA I and the locking component are separated. The invention carries out locking by a magnetic article and has simple structure and manufacturing procedure, low cost, convenient use and stable locking effect.

The invented device includes the fixed cover, the locking plate, the padlock plate, the padlock and the unlocking button. The fixed cover is mountedon the side of the circuit breaker board. The slidable locking plate with the return spring is setup in the fixed cover. With being mounted in the fixed cover, the slidable padlock plate passing through the locking plate and the slot of the padlock plate is limited on the board. The return spring also mounted on the padlock plate. When the padlock plate is drawn out outward, the padlock is locked on the padlock plate. The slidable unlocking button is mounted in the fixed cover. The stopper is extended from the unlocking button. The plate for limiting position is extended from the locking plate to lock the unlocking button.

The invention provides an automatic lock and relates to the technical field of locks. A plate body of a main lock tongue frame is vertically and movably arranged below the inner ends of two heaven andearth hooks; first guide posts are fixed to the plate body of the main lock tongue frame in a bilateral symmetry manner; the first guide posts are movably arranged in triangular grooves formed in theinner ends of the heaven and earth hooks separately; a first sliding groove, a second sliding groove and a third sliding groove are formed in the plate body of the main lock tongue frame; the third sliding groove is transversely formed in the left side of the second sliding groove, the second sliding groove is formed in the left side of the first sliding groove, and the second sliding groove andthe first sliding groove are vertically arranged; the inner end of a resistance rod penetrates through the bottom wall of a lock shell and then is movably arranged in the first sliding groove in a penetrating manner; and a third guide post is movably arranged in the second sliding groove. When a door is closed, the main lock tongue frame can be popped up together, and double locking can be achieved without key operation; and when the door is opened, the main lock tongue frame and an inclined tongue assembly can be opened at the same time, and locking of the main lock tongue frame is achieved,so that the automatic lock is convenient and fast.