44results about How to "Increase the difficulty of opening" patented technology

The invention discloses an infant safety door sill. The infant safety door sill comprises a doorframe, a door sill is hinged in the doorframe, at least one torsion spring return device is arranged between the right of the door sill and the doorframe, a movable rod capable of moving up and down is inserted in the left of the door sill, a zipper lifting rod device is arranged between the left upper part of the door sill and the doorframe, the zipper lifting rod device is connected with the top of the movable rod and enables the movable rod to move up and down, a locking device is arranged between the left middle part of the doorframe and the doorframe, and the locking device is opened and closed by up-and-down movement of an upright post on the movable rod. A handlebar push key and a joint chip are inserted into a card seat and a magnet seat respectively to realize the effect of dual protection. The design effectively improves the opening difficulty of the door sill, and limits the opening conditions of the safety door sill so that the safety door sill can reach the optimal safety protection effect.

The invention provides an ink box part and a printing machine. The ink box part comprises a self-locking assembly, an ink box assembly and an upper cover assembly covering the ink box assembly. A boss-shaped locking boss is arranged on the upper cover assembly, and the self-locking assembly is connected to the locking boss in a buckling manner so that the upper cover assembly can be locked on theink box assembly. The self-locking assembly is used for locking the upper cover assembly to the ink box assembly so that the upper cover assembly and the ink box assembly can be in a tight locked state, the opening difficulty of the ink box part is high, and the ink box part is prevented from being accidentally opened. The self-locking assembly is connected to the locking boss in the buckling manner, and the self-locking assembly and the upper cover assembly are locked conveniently.

The invention discloses an inspection well lid facilitating theft prevention. The inspection well lid comprises a well seat and a well lid body, clamping grooves are formed in the inner wall of the well seat in a concave mode, an accommodating cavity is horizontally formed in the well lid body, a sleeve with the upper end being not provided with a sealing opening is welded to the upper end of the accommodating cavity, a vertical rod is vertically welded into the middle end of the accommodating cavity, a rotating disc is rotationally arranged at the middle end of the vertical rod in a sleeving mode, three connecting grooves are formed in the rotating disc in circumferential array and concave modes, and a supporting spring is rotationally arranged at the top end of the vertical rod. According to the inspection well lid, a suspension cover is arranged in a suspended mode, so that the suspension cover and an opening and closing structure for directly opening the well lid are mounted in a differentiated mode, the purpose of opening the well lid is achieved through rotation of the suspension cover and the rotating disc, a well lid opening switch is arranged in a hidden mode advantageously, thus the opening difficulty is improved, and the theft preventing function is effectively achieved; and by arranging the sleeve, the suspension cover is protected through a threaded cover in threaded connection with the sleeve, so that repeated extrusion of ground surface external force to the suspension cover is avoided, and the service life of the well lid is prolonged advantageously.

The invention provides an adjustable protection storage device for wine logistics transportation, and relates to the technical field of wine logistics transportation. The device solves the problems that according to a traditional storage device for the wine logistics transportation, the storage safety coefficient is low, the device is prone to be being opened by other people, bottled wine in the device is stolen, and property loss is caused. The device comprises an upper clamping plate and a lower clamping plate; the left side and the right side of the top of a storage box are respectively provided with fixed sockets, and a box cover is connected to the top of the storage box; the number of driving screws is two, and the two driving screws are rotationally connected to the bottom of the box cover in a left-right symmetrical manner; and the number of inserting plate parts is two, and the two inserting plate parts are located at the bottom of the box cover in a left-right symmetrical shape. According to the device, a octagonal key block drives a driving gear to rotate, so that the two driving screws are driven to synchronously rotate, the synchronous adjustment operation of the leftinserting plate part and the right inserting plate part is realized, the opening difficulty of the top box cover of the storage box is improved, and the theft risk in the transportation process of thebottled wine inside the storage box is reduced.

The invention provides a lossless storage device for silicon wafers for manufacture of communication electronic products, and relates to the field of communication electronic materials. The lossless storage device for the silicon wafers for manufacture of the communication electronic products comprises U-shaped storage racks, a shell, bearing plates and connecting pieces, wherein the interior of the shell is of a hollow structure, and a sealing cover is buckled to an access opening in the top of the shell; the bearing plates are symmetrically installed at the front end and the rear end of the interior of the shell, and the inner sides of the two bearing plates are connected together through supporting rods; the connecting pieces are symmetrically installed at the front end and the rear end in the shell, and are connected with the bearing plates; the U-shaped storage racks are installed in the shell in an array mode; and U-shaped cotton grooves are formed in the U-shaped storage racks, and the silicon wafers are slidably inserted into the U-shaped cotton grooves. According to the lossless storage device for the silicon wafers for manufacture of the communication electronic products provided by the invention, when the front side and the rear side of the shell are impacted by external force, the U-shaped storage racks slide back and forth in the shell, so that the impact force is counteracted; and the U-shaped storage racks automatically slide and reset through magnetic force according to the principle that like poles of magnets repel, so that the storage effect of the silicon wafers in the U-shaped storage racks is guaranteed.

The invention discloses a prying-resistant door which comprises a door frame, a door leaf and a lockset, a lock side door leaf is provided with the lockset with a spring bolt and an inclined bolt, a hinge side door leaf is hinged to a hinge side door frame through a hinge, the outer door face of the lock side door leaf extends to form a protective cover plate, and a sealing strip is arranged in the protective cover plate. The first anti-prying steel abuts against the sealing strip and is fixedly connected to the side face of the lock side door leaf through a bolt, the second anti-prying steel is fixedly connected with the child door leaf or the lock side door frame through a bolt, and the first anti-prying steel and the second anti-prying steel are provided with penetrating holes matched with the spring bolt and the inclined bolt and bolt receding holes. When the anti-prying door is in a locked state, the second anti-prying steel is located between the first anti-prying steel and the lock side door leaf. When the anti-prying door is pried violently, the anti-prying steel on the door frame side is closer to the door leaf on the locking side, locking is tighter, the opening difficulty of the anti-prying door is increased, and the anti-prying door has great commercial value.

The invention provides a children electric shock preventing socket. The socket comprises a base, a slot, a top cover, a secondary rod opening, a primary rod opening, a secondary rod, a secondary positioning rod, a spring block, a limiting rod, a top plate, a primary rod, a primary positioning rod, a second spring block, a limiting slot, a second top plate, a through hole, a fixed sleeve, a fixed slot, a fixed inserted link, a check block and a through slot, wherein the slot is fixedly formed in the bottom surface of the inner side of the base; the top of the base is rotatably connected with the top cover; the secondary rod opening is fixedly arranged on the top surface of the inner side of the top cover; the primary rod opening is formed in one side of the secondary rod opening; the secondary rod penetrates through one end of the base; the secondary positioning rod is fixedly arranged on the top surface of the secondary rod; and the spring block is fixedly arranged at one end of the secondary rod. Through the top cover, the plugs of electricity utilizing components can be wrapped to ensure that the plugs of the electricity utilizing components are not exposed, thereby avoiding thechildren from touching the leaky plugs of the electricity utilizing components when plugging in and out the plugs for play, and then furthermore improving the safety of the socket.

The invention discloses a lock body structure with the function of double-cylinder synchronous control for unlocking. The lock body structure comprises a lock head and a key. An inner lock cylinder mounting hole and an outer lock cylinder mounting hole are formed in the two ends of an inner cavity of the lock head correspondingly and used for mounting an inner lock cylinder and an outer lock cylinder correspondingly. The inner lock cylinder and the outer lock cylinder can rotate in the lock head. A shifting wheel used for shifting a lockset is further mounted on the lock head. A penetrating through hole is formed in the center of the shifting wheel. The two ends of the shifting wheel are connected with the inner lock cylinder and the outer lock cylinder in a sleeving mode correspondingly.The shifting wheel can be driven to rotate through simultaneous rotating of the inner lock cylinder and the outer lock cylinder. An inner locking mechanism and an outer locking mechanism are mounted between the inner lock cylinder and the lock head as well as the outer lock cylinder and the lock head correspondingly. An inner key groove and an outer key groove which are provided with special bitsare formed in the key. The inner key groove and the outer key groove are used for decoding the inner locking mechanism and the outer locking mechanism correspondingly. The lock body structure adopts the inner and outer double-cylinder structural design, during unlocking, a lock body can be opened by simultaneous successful verification of the two key clamping grooves of the inner lock cylinder andthe outer lock cylinder during unlocking, and thus the safety performance of the lock body is improved greatly.

The invention provides an air-cooled heat dissipation protection anti-theft oil storage device for truck driving, relates to the technical field of truck oil tanks, and solves the problems that an existing oil storage device for truck driving is poor in auxiliary heat dissipation effect on fuel oil in an oil storage tank, cannot effectively and quickly release heat in the fuel oil to the outside and is inconvenient to use. the oil storage tank is exposed to the sun, so that the temperature of internal fuel oil is too high, and large potential safety hazards are generated, the device comprisesan oil storage tank and a protective shell; an oil inlet pipe opening is formed in the top of the oil storage tank, and the tank cover is in threaded connection with the outer side of the top of the oil inlet pipe opening; the inner side of the protective shell is connected with the oil storage tank through a buffer spring, a movable hole is formed in the top of the protective shell, and an oil inlet pipe opening in the top of the oil storage tank is located in the movable hole in the top of the protective shell. When a vehicle runs on a bumpy road surface, the buffer springs flexibly buffer the oil storage tank in the protective shell, the effect of buffering and protecting the oil storage tank is achieved, and the service life of the oil storage tank is prolonged.

The invention provides an anti-fake packaging box and an anti-fake packing system, and relates to the technical field of anti-fake packaging. The anti-fake packaging box comprises a box body and an anti-fake assembly. The anti-fake assembly comprises an anti-fake code and a hidden opening part. The anti-fake code corresponds to the box body. The hidden opening part is arranged on the box body. Bychecking the anti-fake code, preset information of the hidden opening part can be acquired, the position of the hidden opening part on the box body is obtained through the preset information, and thebox body is opened by lifting the hidden opening part. According to the anti-fake packaging box, the difficulty for opening the box body is increased, a user is prompted to open the box body by checking the anti-fake code, thus, the anti-fake code is invalid after being used for one time, and the purpose that the anti-fake code cannot be reused is achieved.

The invention provides a storage battery anti-theft mechanism suitable for a transport vehicle and having a cooling function, relates to the technical field of vehicle-mounted storage batteries, and solves the problems that two ends or the middle of a storage battery are directly welded by steel through electric welding in traditional storage battery anti-theft treatment of a transport vehicle, the anti-theft effect is poor, an alarm is difficult to give when theft occurs, a lock is easily pried up by thieves, and property loss is caused. The storage battery anti-theft mechanism comprises an anti-theft cover plate, a driving rotating block and a power-off alarm. A breathable base is fixedly mounted at the bottom of a protective box, four buffer plates are mounted in the top of the breathable base, and the buffer plates are hollow; and the interior of the protective box is hollow. A special wrench drives the driving rotating block to rotate, so that a connecting rod connected with the driving rotating block drives a locking rod to move outwards, the outer end of a guide sliding block is inserted into locking holes in the left end and the right end of the top of a protection cavity, the anti-theft cover plate is fixed, the opening difficulty of the anti-theft cover plate is increased, and the anti-theft protection coefficient of an internal storage battery is improved.