33results about How to "Easy to trip" patented technology

The invention discloses a well lid for emergency drainage. The well lid comprises a well lid supporting base, a lid plate and a plurality of windows, wherein the lid plate is matched with the well lid supporting base for forming a well lid; the windows are formed on the well lid supporting base; the lid plate comprises rotating plates which are the same as the windows in shape and quantity; the rotating plates are rotatably connected with the windows through connection shafts; the well lid further comprises a rotation piece and a transmission piece; the rotation piece is connected with the well lid supporting base and can rotate forwards and backwards; and the transmission piece is arranged between the rotation piece and the rotating plates, and is used for converting the rotation of the rotation piece into a force to drive the rotating plates to rotate forwards and backwards around the connection shaft, so as to open and close the windows. According to the well lid provided by the invention, the rotating plates rotate forwards and are entirely opened under the effect of the rotation piece and the transmission piece, drainage is fast performed, and emergency drainage is realized. In the drainage process, as long as the rotation piece is not rotated, the windows keep an opened state all along, so as to avoid blocking of drainage openings. After the drainage is finished, the rotation piece is reversely rotated so that the rotation piece is reversely closed under the driving of the transmission piece.

The invention provides a slide disengaging structure, which can simply and conveniently de-mold a reversal fastener product as a slider and a reversal fastener can be de-molded at the same time to finish the de-molding of the reversal fastener product. The slide disengaging structure comprises an upper die, a lower die, a slide block and an inclined guide post, and is characterized in that: the slide block is provided with a small slide block connected with the slide block in a positioning and sliding way, and is in slant sliding connection with the small slide block; and the small slide block and the large slide block are connected with a shouldered tap bolt by a pressure spring.

The invention discloses high-voltage electric field monitoring and alarming equipment based on an intelligent wearing system. The high-voltage electric field monitoring and alarming equipment structurally comprises a mainboard slot shell, a button board, an electromagnetic sensor, a digital screen, a cover cap shell, a buckle holding board and a rubber mat spinning arm band. According to the high-voltage electric field monitoring and alarming equipment, the mainboard slot shell and the rubber mat spinning arm band are matched, a corrugated rib band is erected on the rear side of the mainboardslot shell of the monitoring and alarming equipment, a traction and stretching space for longitudinal fixing of the buckle holding board and transverse moving of a sucking-attaching sliding seat is formed by a section groove board and a rubber thick ring, thus rubber mat spinning devices can be folded through annular tension to protect parts during still standing, the rubber mat spinning devices are unfolded to output gel air cushions of the rubber mat spinning devices, the gel air cushions are attached to the skin to give the comfortable sensation and the cool sensation to the upper skin, thesurface of gel is slippery, thus rolling is conducted to facilitate tripping and wearing of the equipment, the degree of tightness of a human arm strap device can be adjusted for stretching, the gelis arranged on the rubber thick ring to cure the equipment, comfortable movable wearing is conducted for detecting a high-voltage electric field, the working efficiency is improved, and the more relaxed effect is achieved.

A surge protective device disclosed by the present invention comprises a pedestal, a piezoresistor, a release support, a spring leaf, a pin 1 and a pin 2. The piezoresistor is equipped with an electrode 1 and an electrode 2, the pin 1 and the pin 2 are installed at the two sides of the pedestal, and the release support is in hinge joint with the pedestal. The electrode 2 protrudes, after the piezoresistor is installed on a shell, the electrode 1 and the pin 1 are connected, and the electrode 2 penetrates the shell. One end of the spring leaf is welded together with the electrode 2 via a fusible metal, and the other end is connected with the pin 2. The release support abuts against the spring leaf under the acting force of a spring. The surge protective device can release rapidly, effectively avoids the arc, wire drawing and combustion phenomena, and enables the safety to be improved.

The invention discloses an electromagnetic operating mechanism of a circuit breaker. The electromagnetic operating mechanism comprises a static contact, a moving contact matched with the static contact, and an electromagnetic mechanism capable of operating the moving contact, wherein the electromagnetic mechanism is hinged with a swing arm through a transition connecting piece; the tail end of theswing arm is hinged to the moving contact so as to drive the moving contact to be opened and closed, a clamping hook used for being matched with the transition connecting piece is arranged on the front side of the electromagnetic mechanism, and the clamping hook can be driven by the elastic driving piece so as to be matched with the transition connecting piece to achieve closing locking or opening separation. With the adoption of the structure, the whole operating mechanism not only maintains the characteristics of no power consumption and no voltage short-circuit protection of the original spring mechanism in the closing state, but also has high reliability of the electromagnetic mechanism, overcomes all defects of the two mechanisms, has the best characteristics of the two mechanisms, can prolong the electrical life and the mechanical life by multiple times, and completely meets the technical standard requirements of the state grid for the high-reliability switch.

The invention provides a latching mechanism and a latching method for a high-speed switch. The latching mechanism is provided with one set of insulating device; the lower side of the insulating device is connected with a guide rod movement device and a lock hook device; a coil is embedded into an insulating embedding plate; the insulating embedding plate is fixedly connected with an insulating cover plate; the insulating cover plate is internally connected with an embedded guide sleeve through a key; one end of the guide sleeve is inserted into the insulating embedding plate; a guide rod is arranged in the guide sleeve; one end of the guide rod is fixedly connected with a repulsive force disc through a thread and a limiting disc is arranged at the other end of the guide rod; a compression spring is mounted between the guide rod and the guide sleeve; and a lock hook shaft and a lock hook are mounted on a supporting plate. When the inner side of the lock hook shaft is collided by a lock tongue, the lock hook rotates and a convex transverse beam of the guide rod falls into a gap of the lock hook, so that the lock tongue is locked; and the coil is conducted to impulse current so that the repulsive force disc generates an electromagnetic repulsive force to move rapidly, and the convex transverse beam of the guide rod is driven to be pulled out from the lock hook gap and the lock tongue is unlocked. The latching mechanism provided by the invention is compact in structure, reliable in locking and easy to release; and a direct driving form is adopted in a whole lock latch unlocking and locking process, thus having extremely high rapidness.

The invention discloses a switch-on transmission mechanism and an operating mechanism applying the switch-on transmission mechanism and a breaker applying the switch-on transmission mechanism. The switch-on transmission mechanism comprises poking rods and transmission blocks, wherein the transmission blocks and corresponding moving contacts are fixedly arranged together. The transmission blocks are located below the poking rods and are provided with bearing shoulders facing the poking rods. The poking rods are provided with concave openings with openings facing downwards, wherein the concave openings are used for being matched with the bearing shoulders of the transmission blocks in a jacking mode to push the transmission blocks to drive the moving contacts to move towards fixed contacts so as to achieve switch-on when the poking rods move leftwards. The right ends of the poking rods are provided with a hinge structure for being hinged to a power output shaft of the corresponding operating mechanism. According to the switch-on transmission mechanism, when the switch-on transmission mechanism needs to be disengaged, the concave openings are matched with the bearing shoulders of the transmission blocks in the jacking mode, so that only upward action force needs to be applied on the poking rods to turn the poking rods upwards, and then the concave openings can be separated from the bearing shoulders of the transmission blocks; disengaging is convenient to conduct, the concave openings are formed in the poking rods directly, the bearing shoulders are arranged on the transmission blocks directly, and the switch-on transmission mechanism is simple in structure and convenient to assemble, disassemble and maintain.

A needling prevention device comprises a needle seat, a needle pipe, a needle sleeve, a slider and a protection sleeve. A body of the needle seat is hollow columnar, the needle sleeve sleeves the outside of the front end of the needle seat, the inside of the front end of the needle seat is fixed with the needle pipe, an inner connector is arranged at inner rear end of the needle seat, the protection sleeve sleeves the outside of the slider and is fixed with the needle seat, the slider sleeves the outside of the needle seat and the inside of the protection sleeve and can slide along the needle seat, an elastic strip is arranged on the side surface of the protection sleeve, and the rear end of the elastic strip is fixed on a protection sleeve body. The invention further discloses a blood taking needle made by the needling prevention device. Compared with the prior art, the needling prevention device has the advantages that a clamping groove is designed into a rectangular groove, the groove walls of the front end or the rear end of the rectangular groove are designed into movable, and the movable groove walls can disappear when fasteners need to be disassembled and can be fixed when the fasteners need to be clocked, so that the fasteners can be conveniently disassembled and locked.

The invention discloses winding type stationery where a function device and a shell can be independently separated. The winding type stationery comprises a front shell, the function device, an inner shell and a rear cover. The function device is assembled in the inner shell. The front shell is provided with a cavity. The function device is arranged in the cavity of the front shell together with the inner shell, and part of the inner shell is reserved outside. The rear cover is installed at the rear end of the front shell, and the rear cover can be buckled on the inner shell so that all the parts can be fixed in the front shell and the rear cover. The winding type stationary is characterized in that the top side of the inner shell downwards and backwards forms a protruding downward hook, the top side of the rear side downwards and forwards forms a protruding upward hook, the rear cover is buckled on the inner shell, the upward hook of the rear cover hooks the downward hook of the inner shell, and therefore fixation can be achieved. The winding type stationary can adapt to the acting direction of the force of a thumb or a middle finger or a palm in the operation process so that generated torque cannot cause disengaging between the upward hook and the downward hook, and therefore it can be ensured that all the parts are stable in the front shell and the rear cover.

The invention belongs to the technical field of medical apparatus and instruments, and discloses a movable fixed support in an operation room. The movable fixed support comprises a fixed support body, wherein the fixed support body comprises a fixed plate, a telescopic supporting rod, a supporting plate, a first placing groove, a second placing groove, a support and a drying device, the support, the drying device and a trash can are installed at the upper end of the fixed plate, a first inserting block is arranged at one end of the telescopic supporting rod, the telescopic supporting rod is installed on the fixed plate through the first inserting block, a fixed base is installed at the lower end of the supporting plate, and the other end of the telescopic supporting rod is installed at the lower end of the supporting plate through the fixed base. The movable fixed support is simple in structure and convenient to operate; as the telescopic supporting rod is connected with the fixed plate through the first inserting block, the stability of the fixed support is enhanced easily; by means of the telescopic supporting rod, the movable fixed support can be adjusted according to the height of a doctor or a nurse so that the doctor or the nurse can use the fixed support conveniently, and the working efficiency of the doctor or the nurse is greatly improved.

The invention discloses a dust fall machine for water conservancy project construction. The dust fall machine comprises a base. A universal self-locking wheel is arranged below the base, a fixed blockand a water tank are arranged above the base, the water tank is located on one side of the fixed block, a fixed bar is arranged above the fixed block, a connecting rod is arranged on one side of thefixed bar, a mounting plate is arranged on the front surface wall of the water tank, a power supply switch is arranged on the front surface wall of the mounting plate, a supporting column, a fine water mist pump and a fixed plate are arranged above the water tank, and the fine water mist pump is located between the supporting column and the fixed plate. By arranging a clamping block of a C-shapedstructure, a user can clamp a water pipe into the clamping block to prevent the water pipe from being inconveniently fixed and prevent the condition that the user is easily toppled by the water pipe when the user pushes the dust fall machine. The dust fall machine solves the problem that the user is easily toppled by the water pipe as the water pipe of the dust fall machine for water conservancy project construction is inconveniently fixed.

The invention discloses a foldable office chair with a lengthened seat. The structure comprises an object placement table, a supporting frame, a sponge block, a head cushion, a back seat, a power line, a plug, a ground insert, a bottom frame, anti-slip support feet, a weight bearing frame, a waist cushion, a chair seat, a buckling device and a pedal, wherein the object placement table is connected to the supporting frame, the buckling device comprises a burr stick, an upper seat, a lower seat, a fabric handle and a buckling tool, the burr stick is arranged on the upper seat, the upper seat is connected to the lower seat through the buckling tool, the fabric handle is provided with the fabric handle, the buckling tool is connected to the upper seat, and the buckling device is connected to the pedal. According to the present invention, the buckling device is arranged so as to adhere the fabric handle through the burr stick, and the upper seat and the lower seat are buckled through the bucking tool, such that the easy tripping due to the external pedal is avoided, and the occurrence of the accident is prevented.

A five-way buckle for a harness system having two shoulder straps, two waist straps and a crotch strap, comprises a center base section having at least one female buckle receptacle, and at least one male buckle section. The male buckle section has a bar for threading a waist belt therethrough and a male buckle portion adapted for releasable locking engagement with the female buckle receptacle on the center base section. There is at least one D-ring formed by a ring portion disposed on the male buckle section and a second ring portion disposed on the center base section.

The invention discloses a flying wire spring detection device. The device comprises a support and a pushing and pressing device. The support is provided with a clamping device used for clamping a circuit breaker. The pushing and pressing device comprises an opening pushing sheet, a closing pushing sheet and a first driving component. The first driving component comprises an opening cylinder used for driving the opening pushing sheet to push a circuit breaker handle to carry out opening and a closing cylinder used for driving the closing pushing sheet to push the circuit breaker handle to carry out closing. The structure is simple, whether the circuit breaker is installed with a flying wire spring can be tested and reliability of the circuit breaker is increased.

The invention relates to a hinge type driving retraction and push mechanism for externally hanging a BH-VDT tool. The hinge type driving retraction and push mechanism comprises a tool body, a hinge type guide block, a first fixing block, a second fixing block and an elastic tongue plate. The first fixing block is provided with an installing groove. The hinge type guide block and the first fixing block are connected in a rotating manner. A special-shaped groove is formed in one side of the second fixing block. One end of the elastic tongue plate is installed in the special-shaped groove. A special-shaped hole is formed in the other end of the bottom of the hinge type guide block. The portion, extending out of the special-shaped groove, of the elastic tongue plate is inserted into the special-shaped hole. The second fixing block is provided with at least one plunger. The plungers extend out to push the hinge type guide block to rotate relative to the first fixing block. When the plungersretract, the elastic tongue plate can drive the hinge type guide block to be restored to the normal position. The mechanism can greatly reduce the risk that tool trip meets resistance and jamming.