2574 results about "Locking plate" patented technology

The invention provides an electrical button, which has a accommodating groove with a accommodating cavity, an elastic fixing member and a rigid pressing member are arranged on the accommodating groove; the elastic fixing member has an upper ring cover and a lower ring cover, forming a first clamping groove; the upper ring cover and the lower ring cover The outer periphery of the ring cover is connected by the cap wall, and the lower end of the cap wall is clamped in the connecting groove of the side wall of the receiving groove; the outer periphery of the lower end of the cap wall is provided with an upper fixing edge and a lower fixing edge to form a second clamping groove; The first clamping plate in the first clamping groove, the first clamping plate is provided with a pressing plate; the first clamping plate is provided with a guide post, and the lower end of the guide post is provided with a moving contact; the bottom surface of the receiving cavity is provided with a first static contact and the second static contact; the outer guide post is provided with an elastic piece, the upper end of the elastic piece is provided with an upper fixed end, and the lower end is set with a lower fixed end; the upper fixed end is clamped in the upper fixing groove of the first clamping plate, and the lower fixed end is clamped Connected to the lower fixing groove in the receiving cavity. The invention realizes double reset through the cap wall and the elastic member, so as to avoid the push button from being dead; the sealing performance is good, and dust and water are prevented from entering.

The seat backrest lock comprises a lock body, a lock blade and a locking plate, the lock body is provided with a lock opening allowing an external automobile lock bolt to be placed in, the lock blade is bent towards the direction of the lock opening to form a lock hook used for sealing an opening of the lock opening, and the locking plate is provided with a pressing rod used for driving the locking plate to move when being pressed and releasing limitation on movement of the lock blade. A reset structure used for driving the lock blade and the locking plate to movably reset is arranged on the lock body, and a linkage block is arranged at the position, close to the lock opening, of the outer wall of the lock body. The buffer block is used for reducing the impact force of the automobile lock bolt and reducing the collision strength between the automobile lock bolt and the inner circumferential wall of the lock opening and between the automobile lock bolt and the lock blade when the external automobile lock bolt is placed into the lock opening, and the reinforcing structure is used for improving the buffering force of the buffer block on the external automobile lock bolt. The automobile seat backrest lock solves the problem that a traditional seat backrest lock is prone to excessively colliding with a lock opening or a lock blade when an automobile lock bolt is placed in so that parts can be damaged or large noise can be generated.

The application discloses a kind of automobile seat slide rail structures, it is related to the technical field of automobile accessories, it includes outer rail, inner rail, rocker mechanism and guiding limiting mechanism;Rocker mechanism includes the rod body being arranged in inner rail, the proximal end of rod body is connected with crank after extending out of inner rail, the distal end of rod body is provided with locking plate and torsion spring;The side of locking plate is connected with rod body, the other side of locking plate is provided with several clamping teeth;The side wall of outer rail is provided with locking hole compatible with clamping tooth;Guiding limiting mechanism includes fixed plate, limiting pin and limiting block;Fixed plate is arranged in inner rail and below rod body, the middle part of fixed plate is provided with guiding slot along the axial direction of inner rail;The lower end of limiting pin is connected with the inner bottom wall of outer rail, the upper end of limiting pin is passed through guiding slot and then abuts on rod body;Limiting block is provided with through hole for rod body to pass through, and the upper end of limiting block is connected with inner rail, the lower end of limiting block is connected with fixed plate;Limiting pin and limiting block are made of rubber material.

The utility model relates to the technical field of electric energy metering boxes, and discloses an electric energy metering box with a safety protection device, which comprises a box body, the outer wall of the box body is rotatably connected with a sealing cover, the outer wall of the sealing cover is fixedly connected with a lock plate, the outer wall of the lock plate is fixedly connected with a lock catch, and the lock catch is fixedly connected with the safety protection device. A lock head penetrates through the outer wall of the lock catch, a sealing strip is fixedly connected to the outer wall of the sealing cover, an electric energy meter is fixedly connected to the inner wall of the box body, and a sealing assembly is arranged in the box body. According to the electric energy metering box with the safety protection device, a push plate on the box body is covered by a sealing strip, so that the push plate ejects a baffle open, a rotating rod rotates to enable the sealing plate to rotate to block a gap between a sealing cover and the box body, the sealing cover is attached to the sealing plate at the moment, a telescopic clamping block is clamped with a clamping groove, and water leakage is prevented; and the sealing cover can be opened only when the handle is pressed.

The utility model discloses an anti-disengagement elevator counterweight filler which comprises a bottom frame, limiting rods are fixed at two ends of the bottom frame, a counterweight assembly is arranged on the bottom frame and comprises a counterweight block, connecting blocks are fixed at two ends of the counterweight block, the connecting blocks are movably arranged on the limiting rods in a sleeved mode, and quick release structures are arranged on the connecting blocks. The connecting block is provided with a moving groove which penetrates through one side and allows the limiting rod to move, the quick release structure comprises a locking plate which is fixedly connected with the connecting block, a blocking block which is fixed to the locking plate is arranged in the moving groove and abuts against the limiting rod, and a top frame which is connected with the bottom frame in an assembling mode is arranged above the counterweight assembly. According to the utility model, through the arrangement of the quick release structure, when the counterweight assembly positioned in the middle is damaged, the counterweight assembly positioned above the damaged counterweight assembly does not need to be taken down from the limiting rod, and the damaged counterweight assembly can be directly taken down from the limiting rod, so that the disassembly steps are simplified, the time and labor are saved, and the maintenance is convenient.

The utility model relates to the technical field of locks, in particular to a lifting type luggage lock which comprises a lock shell, a locking mechanism, an unlocking piece, a lock plate and a swing block, the lower end portion of the swing block is hinged to the lock shell, the upper end portion of the swing block is hinged to the middle of the lock plate, and a lock hook portion is arranged at the front end portion of the lock plate. During unlocking, the whole lock plate swings forwards with the swing block as a fulcrum shaft so as to be lifted relative to the lock shell. During locking, the whole lock plate swings backwards with the swing block as a fulcrum shaft and is attached to the lock shell downwards. The locking mechanism clamps the locking plate to keep locking; after a correct instruction is input into the locking mechanism, limitation on the lock plate can be relieved by operating the unlocking piece through external force. Compared with the prior art, the lock plate can hook the opening and closing two sides of the luggage to be close to each other, so that the opening and closing two sides of the luggage are combined more tightly, and the luggage is not easy to be unlocked maliciously.

The invention belongs to the technical field of anchoring part fastening structures, and particularly relates to a fabricated anchoring part fastening structure for supporting a heavy pipeline of a steel structure factory building, a first anchoring part and a second anchoring part are mounted on a steel beam, a first locking screw is screwed on the first anchoring part, and the top end of the first locking screw is rotatably connected with a first locking plate; second locking screws are connected to the second anchoring parts in a threaded mode, second locking plates are rotationally connected to the top ends of the second locking screws, an insertion barrel is fixedly installed on the top of the side wall of each first anchoring part, a guide rod is fixedly inserted between every two opposite insertion barrels, and a first connecting anchor frame is installed below each first anchoring part. A second connecting anchor frame is installed below each set of second anchoring parts, two steel wire ropes are installed between the two first connecting anchor frames, a lifting frame is fixedly installed at the bottom ends of the second anchoring parts, and a pipeline hoop is fixedly installed at the bottom end of the lifting frame. The structure is high in strength and dispersive in stress, local deformation is avoided, the I-shaped top plate is combined to abut against the steel beam, and the fastening degree of the second anchoring part and the steel beam is improved.

The invention relates to the technical field of low-voltage switch cabinets, in particular to an interlocking mechanism, a hand-cranking movable plug-in type assembly and a hand-cranking movable plug-in type unit. The interlocking mechanism comprises a position interlocking mechanism and a closing interlocking mechanism; the rear end of a transition connecting rod of the closing interlocking mechanism is in linkage fit with a position locking plate through a linkage structure, and an interlocking part is arranged on a closing interlocking plate and used for being matched with the front end of the transition connecting rod to achieve closing interlocking. A plugging assembly rack of the hand-cranking movable plugging assembly is located behind the closing interlocking mechanism, and the rear end of the closing interlocking support is installed at the front end of an assembly rack bottom plate of the plugging assembly rack. The beneficial effects are that the closing interlocking mechanism and the position interlocking mechanism can be arranged front and back; the hand-cranking movable plug-in type unit can be maintained without power failure, the depth of a unit chamber can be 300mm, the depth of a plug-in assembly rack can be 200mm, and the hand-cranking movable plug-in type unit has the functions of isolation-connection position positioning, hand-cranking propelling mechanism locking, circuit breaker switching-on locking and circuit breaker switching-off unlocking.

The utility model discloses a cable connector with a positioning structure, comprising a cable connector, one end of the cable connector is plugged with a cable connector socket, and the outer surface between the cable connector and the cable connector socket is provided with the positioning structure. According to the utility model, through arranging the positioning columns and the positioning holes between the cable connector and the cable connector socket, positioning can be carried out when the cable connector is plugged, through arranging the anti-falling assembly, after the cable connector and the cable connector socket are connected, an arranged limiting clamping ring is clamped in a limiting groove, and the anti-falling assembly can be used for preventing the cable connector from falling off. The situation that the L-shaped locking plate is separated from the first positioning ring and the second positioning ring due to mistaken rotation of the rotating rod can be avoided, then connection firmness and stability can be ensured, a limiting clamping ring can slide on the rotating rod through a spring, the limiting clamping ring can slide out of a limiting groove conveniently to rotate the rotating rod, and the stability of connection is improved. Therefore, the L-shaped locking plate rotates to separate the cable connector from the cable connector socket.

The clutch device of the door opener comprises a main machine box, a clutch assembly and a rack, a driving assembly is fixedly installed in the main machine box, and an output shaft is arranged on one side of the driving assembly; the other end of the output shaft is installed in the driving assembly and sleeved with an inner output gear. An installation sliding groove is formed in the middle of the output shaft, a locking plate is installed in the installation sliding groove in a sliding mode, and a locking groove clamped with the locking plate is formed in a center shaft hole of the inner output gear. The clutch assembly comprises a fixing base fixed to one side of the mainframe box, a mounting groove is formed in one side of the fixing base, and a clutch switch is mounted at one end of the mounting groove through a shaft. According to the clutch device, under the emergency power-off working condition, the fatal potential safety hazard that a door body driven by a traditional worm and gear is locked and cannot be opened is effectively avoided, and when the door needs to be opened manually in emergencies such as fire disasters and first aid, the top shaft can be driven to move by operating the clutch switch, and the locking plate is driven to slide in the locking groove of the inner output gear for unlocking.

The invention discloses a safe operation method for an aerial operation robot to quickly release an overhead line and a pressing walking device and an emergency quick release mechanism thereof, and has the advantages that the pressing walking device is integrated with the emergency quick release mechanism, a rotating seat of the emergency quick release mechanism is hinged with a fixed seat, and a torsion spring is sleeved on a hinge shaft; the two torsion springs are arranged on the two sides of the rotating base respectively, the two ends of each torsion spring abut against the fixed base and the rotating base respectively, the electromagnet is installed on the rotating base, and the pressing mechanism is installed below the rotating base. An iron core of the electromagnet extends out to be locked with the lock plate in a normal state, the pressing walking device can work normally, when an emergency occurs, the electromagnet can quickly act to enable the iron core of the electromagnet to retract to be unlocked from the lock plate, and at the moment, under the acting force of the torsion spring, the rotating seat immediately bounces and rotates to drive the pressing mechanism to quickly eject outwards to be opened so as to release the overhead line. The aerial operation robot can lift off and break away in time, so that damage is avoided.

The utility model discloses a positioning tool for hardware processing, which comprises a processing machine tool, a mounting plate is mounted in the processing machine tool, the top of the mounting plate is slidably connected with a bearing seat, an electric clamp is mounted at the top of the bearing seat, and a positioning component for locking the position of the bearing seat is arranged on the mounting plate. Mounting holes matched with the locking plate are symmetrically formed in the top of the mounting plate, the jacking assembly is used for pushing the locking plate to ascend to lock the bearing seat, and the reset assembly is arranged at the bottom of the side of the locking plate. By means of the cooperative use mode of the mounting plate, the bearing seat, the electric clamp and the positioning assembly, when the jacking assembly moves, the locking plate can be pushed to ascend, so that the bearing seat is clamped and locked, the jacking assembly moves reversely, and under the action of the reset assembly, the locking plate descends and is separated from the bearing seat; therefore, the bearing seat can drive the electric clamps to slide outwards, so that a product between the electric clamps can be detected or replaced conveniently.

The utility model relates to the technical field of caps, and discloses an adjustable cap which comprises a peaked cap, an adjusting belt is fixedly connected in the peaked cap, one end of the adjusting belt is fixedly connected with a frame, and a locking assembly is arranged in the frame. The locking assembly comprises a locking plate, one side of the locking plate is rotationally connected into the frame, an adjusting groove is formed in the frame, the adjusting belt is arranged in the adjusting groove in a penetrating mode, an open groove is formed in the frame, a locking groove is formed in the frame, and a toothed plate is fixedly connected to the bottom of the locking plate. According to the adjustable cap, the position of the frame on the outer wall of the adjusting belt is adjusted, the adjusting belt is shortened, then the head circumference of the peaked cap is adjusted, only the locking plate and the frame need to be buckled during locking, the clamping block in the locking plate and the locking groove are embedded for locking, the effect of rapidly adjusting the head circumference of the cap is achieved, and the problem that the head circumference of the cap cannot be adjusted rapidly during traditional buckle adjustment is solved. Therefore, the convenience of the adjustable hat is improved.

The invention discloses a multifunctional pet display cabinet with an adjustable structure, which is characterized in that an upper display cabinet is fixed above a lifting seat, a groove is formed in the bottom of the lifting seat, a bottom plate is fixed below the lifting seat, a mounting cavity is formed between the bottom plate and the groove, and a winding roller is rotatably mounted in the mounting cavity through a bearing; an unlocking structure is installed on the winding roller in a front-back sliding mode, a lifting rope is fixed to the top of each rope penetrating groove of the four stand columns, the lifting ropes stretch into the mounting cavity and are connected with the winding roller, and locking plates are installed on the left side and the right side in the mounting cavity in a left-right sliding mode respectively; limiting blocks are installed at the four corners of the interior of the installation cavity in a front-back sliding mode respectively, the lifting base is installed among the four stand columns of the cabinet body in an up-down sliding mode, the upper showcase is installed above the lifting base, a winding roller and four lifting ropes are arranged in a matched mode, and the height of the lifting base and the height of the upper showcase can be directly changed by rotating the winding roller; the height of the upper showcase can be quickly adjusted according to needs.

The high-altitude emergency escape safety belt comprises a plate body, two sets of strip-shaped grooves are formed in the plate body, a binding end used for fixing an escape person is formed on one side of the plate body by the safety belt, and two free ends on the other side of the plate body are fixed and form a connecting end. A self-locking plate body fixed with the plate body is arranged on the plate body on one side of the connecting end, and is provided with two groups of self-locking strip-shaped grooves which allow the two free ends of the safety belt to pass through the two groups of strip-shaped grooves and then enter and form the connecting end on the outer side of the self-locking plate body; the opening distance between the two sets of self-locking strip-shaped grooves is larger than the opening distance between the two sets of strip-shaped grooves, and a deformation self-locking area which drives the safety belt to deform and automatically locks the safety belt when the safety belt is in a stressed state is formed between the plate body and the self-locking plate body. The self-locking escape device is simple in structure, self-locking can be achieved in the escape person landing process, meanwhile, the locking degree can be flexibly adjusted in real time, and the safety performance is remarkably improved.

The invention discloses a pepper seedling cultivation device suitable for industrialized seedling production, and relates to the field of seedling cultivation, and the pepper seedling cultivation device comprises a circular transmission rotary planting frame, a planting groove mounted on the rotary planting frame and a seed separation assembly in the groove. According to the seed separating assembly, the distance between seed separating grooves is adjusted through a supporting plate by means of sliding fit of a threaded sleeve and a sliding groove under fastening of a locking sleeve, and separating plates are arranged in the grooves to physically isolate roots. A locking assembly is arranged on the outer wall of the planting groove, a locking spring drives a locking plate to extrude the seed separating assembly to ensure stability, and automatic unlocking is achieved in cooperation with an unlocking plate. A drainage assembly and a weighing device are arranged on the inner side of the rotary planting frame. The drainage assembly opens a lower drainage hole through linkage of a filter plate and an insertion rod. The weighing device collects weight data through a pressure sensor and transmits the weight data to the spraying device so as to adjust the spraying amount. Interference of accumulated water on weighing precision is eliminated, feedback linkage of drainage, weighing and precise irrigation is achieved, and the seedling raising refinement and automation level is effectively improved.

The invention is suitable for the technical field of press-fitting, and provides press-fitting equipment for a diesel engine cylinder cover and a working method thereof.The press-fitting equipment comprises a workbench, a transferring assembly and a press-fitting assembly, the transferring assembly and the press-fitting assembly are installed at the top of the workbench, and a cylinder cover assembly and a placing assembly are installed at the top of the transferring assembly. In order to solve the problems that in the prior art, a worker needs to use tweezers and other auxiliary tools for alignment, the labor hour consumption is large, the initial placement position of a valve lock sheet is prone to deviation due to the fact that the auxiliary tools leave, and the valve lock sheet needs to be manually adjusted when being ejected out when a valve spring rebounds, the device is provided with an auxiliary mechanism, and the valve lock sheet is pre-filled before press fitting; during press fitting, the auxiliary mechanism moves downwards, the valve rod extrudes the positioning rod to contract, the ring body blocks the valve lock pieces, the valve rod is inserted between the two valve lock pieces, and the protrusion is clamped into the annular groove; the auxiliary mechanism moves upwards, the valve rod pulls the lock plate, finally press fitting is completed through separation, manual errors are reduced, and the situation that the valve lock plate deviates or is brought out due to lubricating oil is avoided.

The utility model discloses a fixing device for piglet vaccine injection, which comprises a bottom plate, a placing table, fixing rods, a hold-down plate, a connecting plate and a locking plate, one side of the bottom plate is provided with two rectangular locking holes at an interval, the other side of the bottom plate is provided with two fixing rods at an interval, and the locking holes and the fixing rods are correspondingly arranged at intervals. A containing table is arranged between the locking hole and the fixing rods, and each fixing rod is movably connected with an arc-shaped pressing and holding piece so that the pressing and holding pieces can rotate to the positions corresponding to the containing table and then are movably connected into the locking hole in a clamped mode through the locking pieces. The device is easy to operate and low in cost, and damage to piglets is avoided.

The invention discloses a non-equal-pitch double-nut anti-loosening mechanism which is suitable for the field of internal thread connection positioning anti-loosening in a complex mechanical environment. The anti-loosening mechanism comprises an adjusting nut, a check nut, a locking gasket and a connecting threaded hole. The locking gasket adopts a special design of a hexagonal boss and a locking piece, and is locked and matched with the adjusting nut and the check nut, so that the double nuts are fixedly connected, and co-rotation angle limitation is realized; under the condition of the same loosening displacement, the non-equal-pitch double nuts rotate the angle barrel to cause motion interference, the axial and circumferential motion amount of the fixedly connected double nuts is limited, reliable looseness prevention of the structure is achieved, and looseness prevention mechanism formula analysis is completed; meanwhile, a design method is provided for the deformation of the locking gasket, the width of a tool withdrawal groove and other structural sizes according to the application situation, and the use scene is expanded.

A cargo handling system is disclosed herein. The cargo handling system includes a ball panel for moving and storing cargo and a cargo restraining device disposed within the ball panel. The cargo restraining device includes a base, a cam head having a rounded base portion, the rounded base portion having a lock slot formed therein, a shaft securing the cam head to the base, and a spring-loaded lock plate configured to engage the lock slot.

A bath and shower caddy assembly for holding a container, including a frame assembly having a pair of vertical side bars and at least one cross bar, a female assembly disposed on the cross bar, the female assembly including a front wall portion and a back wall portion defining a slot, and a bottle holder assembly including a continuous side wall defining a bore to receive a portion of the container herein, and a male assembly including a lock plate is slideably receivable within the slot of the female assembly.

A system for connecting a coupling cover with a hull shell can include a magnetic actuated latch. The system can include a shell architecture positioned within the hull shell. The shell architecture can include a chassis extending within the hull shell and a chassis clasp extending from the chassis. The magnetic actuated latch 205 can also include a locking plate configured to be movably coupled with the coupling cover. The locking plate can include a locking catch recess formed in the locking plate and the locking catch recess is configured to receive the chassis clasp and a magnetically responsive actuator coupled with the locking plate.

A workpiece holder and an apparatus for loading workpieces onto the holder for use in wet chemical semiconductor processing is described. The workpiece holder comprises two perimeter seal plates, electrical contact inserts and a locking plate. The perimeter seal plates provide force for both fluid sealing and electrical contact when the locking plate is in a locked position. The locking plate also functions as an electrical bus to provide current to the electrical contact inserts. The workpiece loader comprises a stage to insert or remove a workpiece from the workpiece holder. The loader also comprises vacuum chucks to position the perimeter seal plates prior to loading and to compress the perimeter seal plates during locking and unlocking.

The current invention is a new design for a clamp. The clamp has a top plate that pushed down to hold the item being clamped such as the lip of a vehicle hardtop, a hinge, a clamp plate and a locking plate. The device can also have a locking handle or a locking pin to lock the clamp in place.

This invention discloses a garden harvesting machine with pruning function, including an automatic fruit collection component, an orderly feeding structure, a pruning structure, a pruning support column, a movable base, and a movable handle. This invention belongs to the field of garden harvesting technology. In this invention, fruits and branches enter the transition connecting pipe along the curved connecting pipe. The fruits, while rolling, push the upper rotating limiting plate to flip, thereby causing the bent right-angle frame and the limiting slope to flip. Then, the lower rotating locking plate flips downwards due to the fruit's own weight, causing the fruit to fall into the fruit feeding pipe. A suction pump can adsorb a small amount of branches and leaves mixed in with the fruit during the flipping process of the lower rotating locking plate into the branch and leaf feeding pipe, preventing the branches and leaves from accumulating downwards along the fruit feeding pipe. A partition separates the collected fruits and branches and leaves, achieving the effect of automatic collection of fruits and branches and leaves, providing an automated experience.

The invention discloses a tool turret oblique insertion type rapid power head tool apron replacing mechanism and method, and relates to the technical field of machine tool machining. The mechanism comprises a base, the front face of the base is rotationally connected with a tool turret and a fixed inner seat ring, and tool aprons with tools are inserted in the periphery of the tool turret; a first fixing and locking device and a second fixing and locking device are arranged in the base and the inner seat ring, the first fixing and locking device primarily fixes the non-working tool apron, and the second fixing and locking device secondarily fixes the working tool apron. The first device comprises a first hydraulic cylinder, a push plate and a first locking plate, and is clamped with a locking cutter seat through a wedge-shaped groove; the second device comprises a second hydraulic cylinder and a second locking plate, and the second hydraulic cylinder deflects to abut against the first locking plate for reinforcement. The method comprises the steps of tool apron insertion, primary locking and detection, rotary switching and secondary locking. Through double locking and state detection, the stability of the tool apron and the tool changing efficiency are improved, the machining precision is guaranteed, and the device is suitable for automatic production.

The utility model discloses a code changing structure, a lock structure and a padlock, which comprise a plurality of press keys for pressing, a locking plate matched with the press keys for locking and a lock beam connected on the locking plate, a plurality of limiting pieces capable of moving along the moving direction of the press keys are arranged on the locking plate, bulges are arranged on the side surfaces of the press keys corresponding to the positions of the limiting pieces, and the lock beam is connected with the lock beam. The limiting piece is provided with a notch used for allowing the protrusion to go in and out in a matched mode. The lock beam and the locking plate are fixedly connected in the pulling-out direction of the lock beam, and the lock beam and the locking plate are rotationally connected in the circumferential direction. And when all the keys are pressed down until the bulges correspond to the notches of the corresponding limiting pieces, the lock beam is unlocked, the lock beam is pulled out to drive the locking plate to move until at least part of the bulges enter the notches, and the keys axially move to drive the limiting pieces to move to replace the password. The complexity of a code changing structure can be simplified, the assembling cost is reduced, the occupied structural space is reduced, and the production efficiency is improved.

The invention discloses a detachable cookware handle, and belongs to the technical field of kitchen utensils. The handle comprises a grab handle body, an unlocking button, a safety push button, a limiting locking plate, a magnetic connecting block, a cookware connecting body and a pair of clamping locking pieces. The grab handle body is formed by splicing an upper handle body and a lower handle body, the unlocking button is longitudinally installed at the front end of the upper handle body in a sliding mode, and the locking state of the unlocking button is controlled through the safety push button. The magnetic connecting block is fixed at the front end of the lower handle body and is magnetically coupled with the cookware connecting body to realize quick positioning; the clamping and matching locking piece is fixed to the cookware connecting body in a clamping and matching mode through pivoting connection, and the limiting locking plate is driven by the unlocking button to slide front and back to control locking or releasing of the clamping and matching locking piece. The handle has the advantages that unlocking safety is improved through a multiple locking structure, mistaken touch prevention safety protection is achieved, a magnetic attraction and mechanical lock double interlocking mechanism is utilized, convenient disassembly and assembly of the handle and the cookware are achieved, the risk that the handle is damaged at high temperature or accidentally falls off is avoided, and man-machine interaction experience is good.

The invention belongs to the field of constructional engineering, and particularly relates to a municipal water-collecting well construction reinforcing device which comprises a formwork assembly, a lock insertion plate, an inner supporting assembly, a center positioning piece and a hexagon nut. The formwork assembly is a cylindrical space defined by a plurality of arc-shaped steel sheet piles in the circumferential direction, T-shaped steel columns with the T-shaped sections are arranged at splicing seams of the adjacent arc-shaped steel sheet piles, the radian of the outer arc faces of the T-shaped steel columns is consistent with that of the outer arc faces of the arc-shaped steel sheet piles, and a smooth and continuous splicing outer wall is formed. The T-shaped steel columns and the two adjacent arc-shaped steel sheet piles are locked in an inserted mode through a plurality of lock insertion plates which are evenly distributed from top to bottom, and circumferential and axial multidirectional fixing is formed. In addition, the lock inserting plates are matched with the U-shaped pieces on the inner walls of the arc-shaped steel sheet piles, the structural strength of formwork splicing is further improved, the formworks are prevented from collapsing inwards due to external force (vibration and the like), it is guaranteed that the inner wall of the water collecting well is smooth, the roundness reaches the standard, later repairing operation is reduced, and the construction cost is reduced.