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 discloses an electronic device shell which comprises a first shell, a second shell, an elastic part and a slider. A first hook is arranged on the inner side of the first shell, the inner side of the first shell is matched with the second shell, a jack is arranged on the second shell, the slider is mounted on the second shell and can move along the direction of the jack, a first slider opening is arranged on the slider and matched with the first hook, the elastic part contacts with the slider and applies elastic force facing the jack to the slider, the first hook can extend into the first slider opening and is fastened with the slider, the slider applies first tension facing the slider to the first hook, and the second shell applies second tension to the slider, wherein the direction of the second tension is as same as that of the first tension. The first shell of the electronic device shell can be conveniently fastened on the second shell, and the first shell and the second shell can be conveniently unfastened.

A table transport and storage system includes a frame supported on casters. The system includes supports for retaining folded tables in a substantially vertical orientation. A loading ramp is movable between a raised position for transport and a lowered position for loading and unloading. A lock assembly automatically locks the ramp at a lowered position and a spring biases the ramp toward the raised position in one embodiment. A releasable brake automatically engages one or more of the casters when the ramp is lowered to keep the system from moving during loading and unloading of the tables. A lever releases the ramp and the brakes.

The invention discloses a closing transmission mechanism and an operating mechanism using the transmission mechanism and a circuit breaker. The closing transmission mechanism includes a toggle lever and a force transmission block for being fixed with the corresponding moving contact. The force transmission block It is located under the toggle lever and the force transmission block is provided with a load-bearing shoulder facing the toggle lever. Pushing the force transmission block drives the movable contact to move toward the static contact, and the opening of the closing gate faces the notch downward, and the right end of the toggle lever is provided with a hinged structure for hinged connection with the power output shaft of the corresponding operating mechanism. When the closing transmission mechanism of the present invention needs to be tripped, since the notch and the load-bearing shoulder of the force transmission block are push fit, it is only necessary to apply an upward force to the toggle lever to turn the toggle lever upward The notch is separated from the load-bearing shoulder of the force-transmitting block, which is convenient for tripping, and the notch is directly arranged on the toggle lever, and the load-bearing shoulder is arranged on the force-transmitting block, which has a simple structure and is convenient for disassembly and maintenance.

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.

The invention discloses an electronic equipment outer shell which comprises a first outer shell and a second outer shell. The electronic equipment outer shell further comprises an elastic piece and a sliding piece. A first hook-shaped portion is arranged on the inner side face of the first outer shell, the inner side face of the first outer shell is matched with the second outer shell, an inserting hole is formed in the second outer shell, the sliding piece is capable of moving along the inserting hole direction, a sliding piece opening is formed in the sliding piece, and the sliding piece opening is matched with the first hook-shaped portion. The elastic piece is contacted with the sliding piece and applies elastic force towards the inserting hole to the sliding piece. When the first hook-shaped portion stretches into the opening of the sliding piece, the sliding piece applies first tensile force to the first hook-shaped portion towards the sliding piece, and the second outer shell applies second tensile force to the sliding piece with the identical direction with the first tensile force. The first outer shell of the electronic equipment outer shell can be fastened on the second outer shell conveniently, and the first outer shell and the second outer shell are convenient to separate.

The invention discloses an engineering driller comprising a power head, a driving drill rod, two feeding oil cylinders, a portal frame and a chuck for vertically fixing the driving drill rod opposite to a stand, wherein the driving drill rod vertically passes through a main shaft of the power head, the portal frame comprises a left vertical post and a right vertical post, and both sides of the power head are respectively clamped on the left vertical post and the right vertical post and are in single-freedom sliding fit with vertical posts at the corresponding side; and the two feeding oil cylinders are respectively fixed and arranged at the bottoms of the left vertical post and the right vertical post, piston rods of the feeding oil cylinders are vertically and upwards fixed with the power head below which the chuck is arranged, and the driving drill rod is clamped in the chuck. A power head support frame of the engineering driller adopts a portal vertical post structure, both sides of the power head are respectively clamped on the left vertical post and the right vertical post of the portal frame, the power head moves up and down through the feeding oil cylinders, the stroke can be about 1 meter, and therefore, the engineering driller has high precision of vertical movement; because the chuck is arranged below the power head, an operator can directly operate the engineering driller without climbing the driller; and the engineering driller has the advantages of safety, convenience and high efficiency.

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 discloses a built-in superfine dry powder fire extinguishing device, which comprises a fixed seat, an outer cylinder, an inner barrel, a nozzle pipe and a piston part. An air inlet is arranged on the side wall of the fixed seat; The openings are connected; the interior of the inner barrel is filled with ultra-fine dry powder, the inner barrel is slidably assembled on the inner side of the outer barrel, and a plurality of spray holes are arranged on the side wall of the blind end of the inner barrel; one end of the nozzle is fixedly connected to the inner bottom of the fixed seat, and the other One end extends into the inner barrel, and the end of the nozzle extending into the inner barrel is provided with a bell mouth that is sliding and sealingly matched with the inner wall of the inner barrel, and the side wall of the nozzle is provided with a through hole that communicates with the bell mouth; on, and seal the through hole on the nozzle. The built-in ultra-fine dry powder fire extinguishing device of the present invention has a simple structure and small volume, which reduces the requirements for installation space. The ultra-fine dry powder is blown out from multiple injection holes by gas drive to extinguish the fire. The working surface can cover the pipes and Various locations for cable ducts.

The invention provides a method for preparing a nickel button cathode plate, and belongs to the field of metal ceramic welding. According to the invention, a stainless steel rod is placed in a ceramic pipe; a graphite pipe is placed on the ceramic pipe and sleeves the stainless steel rod exposed from the ceramic pipe; a reaction material is added into the space between the stainless steel rod and the ceramic pipe and the graphite pipe; the materials are heated to 850-900 DEG C, and the temperature of maintained for 8-10min; the materials are cooled with the furnace; the graphite pipe is removed; reaction product higher than the upper end face of the ceramic pipe is removed, such that a selective conductive column is obtained; the selective conductive column is embedded into an electrolysis pole plate; and an insulation material is sprayed on the surface of the electrolysis pole plate, such that a cathode plate used for producing nickel button is obtained. With the method provided by the invention, labor intensity can be reduced, production efficiency can be improved, and pole plate service life can be prolonged. The nickel button can be only formed on the end face of stainless steel and weld seam, and does not exceed outer-layer ceramic. The appearance of the nickel button is round and neat, such that button detachment is convenient, and nickel button yield is improved.

The invention discloses an electronic device shell which comprises a first shell, a second shell, an elastic part and a slider. A first hook is arranged on the inner side of the first shell, the inner side of the first shell is matched with the second shell, a jack is arranged on the second shell, the slider is mounted on the second shell and can move along the direction of the jack, a first slider opening is arranged on the slider and matched with the first hook, the elastic part contacts with the slider and applies elastic force facing the jack to the slider, the first hook can extend into the first slider opening and is fastened with the slider, the slider applies first tension facing the slider to the first hook, and the second shell applies second tension to the slider, wherein the direction of the second tension is as same as that of the first tension. The first shell of the electronic device shell can be conveniently fastened on the second shell, and the first shell and the second shell can be conveniently unfastened.

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.

A thermal tripping mechanism of a surge protection device comprises an elastic mechanism. Two first protection components (103) and one second protection component (108) form a Y-shaped layout and the two first protection components (103) are directly or indirectly connected to the second protection component (108) by using a thermal fusing material. The elastic mechanism comprises an elastic part (105) and a slide part (106). The elastic part (105) drives the slide part (106) to move by an elastic force. When the two first protection components (103) are both in a normal working state, the thermal fusing material does not reach a fusing temperature, the two first protection components (103) and the second protection component (108) form a conductive path, and the elastic part (105) is in an energy storage state. When at least one of the first protection components (103) is in an abnormal working state, the thermal fusing material reaches the fusing temperature and is fused, the elastic part (105) releases energy for driving the slide part (106) to move, and the slide part (106) moves to cut off the conductive path.

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.