34results about How to "Automatic reset" patented technology

The invention provides a pressure cooker which comprises a cooker body and a cooker cover. An exhausting hole and a pressure relief valve are arranged on the cooker cover, and the pressure relief valve is arranged on the exhausting hole. The pressure cooker is also provided with a pressure relief driving device for driving at least part of pressure relief valve to break away from the exhausting hole, a switch device for controlling the pressure relief driving device and a switch reset device capable of switching from a closed state to an opened state. By arranging the pressure relief driving device, the switch device and the switch reset device, a pressure relief function can be achieved by shifting the switch device in the using process of a user, resetting of the switch device can be also automatically achieved in the uncovering process, and the user is prevented from forgetting opening the switch device.

The invention belongs to the field of automobile interior decoration machining, and particularly discloses a washing device for automobile decoration panel production. The washing device comprises a rack, a conveying belt is arranged on the rack, a spraying pipe and an air spraying pipe are distributed at the positions, above the conveying belt, on the rack in the conveying direction of the conveying belt, a washing overturning mechanism is arranged at the position, below the spraying pipe, on the rack, an air spraying overturning mechanism is arranged below the air spraying pipe, the washingoverturning mechanism and the air spraying overturning mechanism are arranged below the conveying belt, the conveying belt is provided with a strip-shaped hole extending in the conveying direction ofthe conveying belt, and the washing overturning mechanism and the air spraying overturning mechanism can both penetrate the strip-shaped hole. By means of the washing device for automobile decorationpanel production, manual face overturning of samples is not needed, and the sample washing efficiency can be improved.

The present invention relates to a controllable intelligent magnetorheological pulse generator. The generator comprises an upper chamber A, a lower chamber B, a piston (22) and an elastic body (23) which are located inside the chambers respectively; the housing (21) and the piston (22) of the chamber B (20) are formed by solidifying magnetizers (17) and a plurality of magnetic separation bodies (18); a gap between the chamber B (20) and the piston (22) is filled with a magnetorheological fluid; the housing (21) outside the chamber B (20) is wound with an electromagnetic coil (19) which is connected with alternating current; a magnetic field generated by the electromagnetic coil (19) passes through vertically a gap between the top of the chamber B (20) and the piston (22); the elastic body(23) is located in the chamber A (10); and one end of the elastic body (23) is connected with the upper end portion of the piston (22), and the other end of the elastic body (23) is connected with thetop of the chamber A (10). According to the controllable intelligent magnetorheological pulse generator of the invention, the strength of the magnetic field can be changed through changing the magnitude of current, so that the stiffness and damping of the magnetorheological fluid can be changed, and the top output waveforms of the chamber A can be controlled to be pulse waveforms.

The invention relates to a bush stubble stumping machine with an automatic reset safe hood, which relates to a bush stubble stumping machine. The bush stubble stumping machine with an automatic reset safe hood solves the problem that most of the traditional bush stubble stumping machine is not provided with a safe protection hood, and thus operating personnel are seriously hurt when the stubble stumping saw blade is broken. The bush stubble stumping machine comprises a saw blade, a driving motor and an underframe, wherein the driving motor is arranged in the underframe; the axis of the outputshaft of the driving motor is vertical to a horizontal plane; the saw blade is sheathed on the output shaft of the driving motor; and the saw blade is positioned below the underframe. The bush stubble stumping machine also comprises a safe hood, a rotor, a steel wire rope and a resetting mechanism, wherein the rotor is sheathed on the output shaft of the driving motor, the rotor is positioned between the lower surface of the underframe and the saw blade, the safe hood is connected with the edge of the rotor, the safe hood is positioned at the front end of the underframe, one end of the steel wire rope is fixedly connected with the edge of the rotor, the other end of the steel wire rope is connected with the resetting mechanism, and the resetting mechanism is arranged in the underframe. The bush stubble stumping machine disclosed by the invention is used for the bush stubble stumping operation.

The invention discloses an efficient rail repairing device for a rail vehicle. The device comprises a first mold and anti-blocking devices. According to the rail repairing device, the anti-blocking devices are arranged on the left side and the right side of the first mold and a second mold correspondingly, pull rods are pulled outwards to enable connecting rods to move, and ejector rods are drivento be inserted into discharging openings to conduct dredging movement under the cooperation of auxiliary rods, so that advantages of dredging the discharging openings and ensuring the discharging efficiency are achieved, reset mechanisms are arranged on the right sides of the upper ends of the pull rods, when the pull rods are pulled, sliding blocks arranged at the upper ends of the pull rods stretch tension springs, then when the pull rods are pulled, the tension springs pull back to drive the pull rods to reset, advantages of automatic reset of the pull rods and usability enhancement are achieved, by arranging removing mechanisms on the right sides of the lower ends of shells, when the ejector rods move back and return, removing rings in mounting grooves in one sides of connecting pipescan clean the ejector rods, molten metal is prevented from being attached to the outer portions of the ejector rods, and then beneficial effects of cleaning the outer surfaces of the ejector rods andguaranteeing usability of the ejector rods are achieved.

The invention discloses a faucet. The faucet comprises a valve body and a wrench; the valve body is internally provided with a valve core, a water inlet channel of the valve body is connected to a water inlet of the valve core, and a water outlet of the valve core is connected to a valve cavity; a water outlet and a sprinkle water outlet are provided on the front side of the valve cavity, a reversing rod is provided in the valve cavity, and the reversing rod is controlled to realize discharging of the water outlet of the valve body or discharging of the sprinkle water outlet of the valve body.The front side of the valve cavity comprises a water outlet head, a front turning part and a middle filtering part; the front turning part comprises a first front turning part and a second front turning part, the second front turning part drives the water outlet head to rotate 360 degrees along the axis of the first front turning part, and the water outlet head can be linearly pulled out and retracted along the front end of the second front turning part; and the middle filtering part is detachably connected to a front part and a rear part.

The invention discloses an erosion-resistant normally-open type inner blowout prevention valve which comprises a valve body and further comprises an upper valve seat and a lower valve seat which are fixed in the valve body, a sliding sleeve arranged in the upper valve seat in a sliding fit mode and a valve element fixed to the lower portion of the sliding sleeve. A first elastic piece is arranged between the top of the sliding sleeve and the top face in the upper valve seat, a second elastic piece is arranged between the bottom of the valve element and the top of the lower valve seat, a plurality of drainage channels are formed in the side wall of the sliding sleeve, a first sealing face is arranged at the bottom of the inner side wall of the upper valve seat, and a second sealing face matched with the first sealing face is arranged on the outer wall of the valve element. The second sealing surface is positioned below the drainage channel; when no external force exists, the first sealing face does not make contact with the second sealing face. One of the technical problems solved by the invention is that the sealing surface of the existing inner blowout prevention valve is easy to damage and lose efficacy, and the aims of reducing the erosion degree of the sealing surface and prolonging the service life of the inner blowout prevention valve are fulfilled on the premise of ensuring the normally open work of the inner blowout prevention valve.

The embodiment of the invention provides an ice crushing device and a refrigerator. The ice crushing device comprises a shell body assembly, a driving mechanism and an ice crushing mechanism, whereinthe shell body assembly is provided with a shell and an ice bucket, and the driving mechanism is used for driving the ice bucket or an ice cutter shaft to rotate. The bottom of the ice bucket is provided with an ice discharging base plate. The ice discharging base plate is provided with an ice discharging opening communicating with the ice bucket. A stop assembly is arranged at the position, adjacent to the ice discharging opening, of the ice discharging base plate. The stop assembly comprises a stop part, wherein a stop face, at a preset height, of the stop part is formed at the junction of the ice discharging base plate and the ice discharging opening. By means of the ice crushing device, ice blocks can be prevented from falling, and the one-piece ice discharging rate is not affected.

The embodiment of the invention provides a deicing device and a refrigerator. The deicing device comprises a shell assembly with a shell and an ice bucket, wherein an ice discharging base plate is arranged on the bottom part of the ice bucket; an ice discharging port communicating with the ice bucket, a drive mechanism for driving the ice bucket or an ice cutter shaft to rotate, a deicing mechanism and a stopping assembly are arranged on the ice discharging base plate; when the deicing device is at a first state, the stopping assembly is at an initial state, and a stopping face for preventingice blocks from falling off is formed on the ice discharging port; and when the deicing device is at a second state, the stopping assembly is changed in location or shape under the action of an external force so as to remove the stopping face, and the stopping assembly returns to the initial state so as to form the stopping face again after the external force is disappeared. The deicing device canprevent the ice blocks from falling off without affecting the complete ice discharging rate.

The invention discloses a safety protection door for a diamond cone numerical control lathe, and relates to the technical field of numerical control machine tool equipment. The safety protection doorcomprises a machine shell, a door plate and a movable plate, wherein an operation opening is formed in the left side of the front face of the machine shell, T-shaped plates are fixed to the upper sideand the lower side of the front face of the machine shell, limiting plates are fixed to the right sides of the positions, corresponding to the operation opening, of the T-shaped plates, T-shaped grooves are formed in the positions, corresponding to the T-shaped plates, of the back face of the door plate, clamp grooves are formed in the positions, corresponding to the operation opening, of the T-shaped plates, first supporting plates are arranged at the upper end and the lower end of the front face of the movable plate, second supporting plates are arranged on the back faces of the other endsof the first supporting plates, baffles are fixed to the middles of the front faces of the second supporting plates, limiting blocks are arranged below the baffles, and springs are fixed between the baffles and the limiting blocks. According to the safety protection door for the diamond cone numerical control lathe, the door plate is more convenient to disassemble through the second supporting plates and the clamping grooves, and automatic reset is achieved when the door plate moves through the arrangement of the limiting blocks, the baffles and the springs.

The invention relates to the field of transformers and discloses an anti-hail oil-immersed transformer which comprises a box body, a cover plate is arranged at the upper end of the box body, a protection plate is arranged on the cover plate, a plurality of supporting rods are arranged between the protection plate and the cover plate, a storage box is arranged on the upper end face of the protection plate, the interior of the storage box is hollow, and an opening of the storage box faces upwards. A plurality of supporting springs are arranged between the storage box and the protection plate, a protection strip is hinged to the edge of each side of the protection plate, and a connecting line is arranged between each protection strip and the outer side wall of the storage box. In hail weather, the protection plate can shield the box body, and the situation that hail directly impacts the box body is reduced, so that the influence of the hail on the oil-immersed transformer is reduced, and normal operation of the oil-immersed transformer is ensured.

This application relates to a battery welding machine, which includes a housing and a welding machine circuit installed in the housing. An exhaust fan is installed on one side wall of the housing. The air inlet of the exhaust fan communicates with the inner cavity of the housing. The outside world is connected, and the first cover covering the air outlet of the exhaust fan is installed on the outer wall of the shell. A dust filter that blocks outside dust from entering the air vent. When the battery welder is not in use, the first cover is set on the exhaust fan, and the external dust cannot enter the shell through the exhaust fan. When the battery welder is in use, the first cover is opened, so that the exhaust fan can go out normally. Exhaust air; in addition, the dust filter itself has a dust-blocking effect, so no matter whether the battery welder is working or not, the dust is not easy to enter the casing through the dust filter, so that the battery welder is not easily disturbed by dust when it is used outdoors.

The invention discloses a high-efficiency stripping device for electric wires used in electric power construction. Its structure includes a moving wheel, a support frame, a working box, an inlet, a collection box, a stripping device, and a base. The bottom of the base is equipped with a moving wheel, and the base is provided with a collection box. , There is a work box above the collection box, the side of the work box is fixedly connected with the base through the support frame, there is an entrance on the side of the work box, and the stripping device is composed of a pedal pushing mechanism, a transmission mechanism, a synchronizing device, a moving device, a winding mechanism, a stripping mechanism Composed of a removal mechanism and a reset device, the present invention is a high-efficiency wire stripping device for electric power construction, which can complete the wire stripping work through simple steps, saves time and effort, improves work efficiency, and can generate cutting power through the operation of the pedal. The transmission mechanism can transmit the power to the working box for shearing, the synchronous device can ensure the stability of the shearing bite, and the reset device is convenient for the next shearing operation.

The invention discloses a lateral punching reset structure which comprises an upper die assembly, a lower die assembly, a lateral punching assembly and a reset assembly, the upper die assembly comprises an upper die base, an upper padding plate, an upper clamping plate, a stop plate and a stripper plate, and the upper die base, the upper padding plate, the upper clamping plate, the stop plate and the stripper plate are sequentially connected and fixed from top to bottom; the lower die assembly comprises a lower die plate, a lower clamping plate, a lower cushion plate and a lower die base which are sequentially connected and fixed from top to bottom, the lateral punching assembly comprises an upper die slotting tool, a driving base and a lower die slotting tool, and the upper die slotting tool is vertically and fixedly arranged on the upper die assembly. Lateral punching is conducted on a product, after punching is finished and the upper die is reset, the reset assembly elastically pushes the lower die slotting tool to move upwards, the driving base is driven to move leftwards, the punch is driven to move leftwards, automatic reset is achieved, the reset of the punch is stable and rapid, and the working efficiency is improved.

The embodiment of the invention provides an ice crushing device and a refrigerator. The ice crushing device comprises a shell assembly, a driving mechanism, an ice crushing mechanism and a stopping assembly, wherein the shell assembly is provided with a housing and an ice bucket, wherein an ice discharging substrate is arranged at the bottom of the ice bucket, an ice discharge port communicating to the ice bucket is formed in the ice discharging substrate, the driving mechanism is used for driving the ice bucket or an ice cutter shaft to rotate, the stopping assembly is arranged in the ice bucket and comprises a stopping part for preventing an ice block to fall off and a restoring part for providing a restoring force to restore the stopping part. The ice crushing device not only can prevent the ice block from falling off, but also does not affect an integral ice discharging rate.

The invention discloses a circuit detection, protection and stable power supply system, which includes a monitoring block, a communication cavity is arranged inside the monitoring block, and first iron blocks are fixed in the left and right walls of the communication cavity. The opposite side of the iron block is fixedly connected with a first electric wire, an electrical appliance is provided in the communicating cavity, and a casing is provided outside the electrical appliance, and the left and right sides of the electrical appliance are fixedly connected with Slidingly connected to the left and right symmetrical conductive rods on the left and right walls of the communication cavity, it can automatically switch the line and automatically start the generator to supply power when a power failure occurs, avoiding the loss caused by the power failure. At the same time, it is equipped with For the enhanced heat dissipation function of the generator, it can avoid damage caused by overheating of the generator, and it can cut off the circuit in time and issue an alarm in case of short circuit and overload, and it can automatically reset after the maintenance is completed, which is very convenient to use.

The invention discloses a convenient and efficient corrugated board creasing device, and relates to the technical field of corrugated board creasing. The convenient and efficient corrugated board creasing device comprises a table body, the middle part of the bottom in the table body is movably connected with a sliding groove shaft, the outer side of the middle part of the sliding groove shaft is sleeved with a lantern ring, and the middle part of the surface of the lantern ring is connected with a sliding shaft in a penetrating manner. One end of the sliding shaft is slidably connected with the sliding groove shaft, the top of the outer side of the lantern ring is sleeved with a rotating ring, hollow blocks are fixedly connected to the four edges of the interior of the table body at equal intervals, movable blocks are slidably connected to the interiors of the hollow blocks, and moving blocks are fixedly connected to the tops of the movable blocks. One side of each movable block is fixedly connected with the rotating ring through a pull rope, linkage rods are fixedly connected to the two sides of the lantern ring correspondingly, one end of each linkage rod is sleeved with a hydraulic telescopic rod, a movable plate is connected to the top of each hydraulic telescopic rod in a penetrating mode, and sliding creasing blocks are slidably connected to the outer sides of the two ends of each movable plate correspondingly. The effect of aligning the four edges of the corrugated board is achieved.

The invention provides a counting and packaging integration machine for zippers, belongs to the technical field of machinery, and solves the technical problems that the existing zipper counter is not provided with a packaging device, and a worker needs to pack the zippers after the zippers are counted, so that the production efficiency is low. The counting and packaging integration machine for the zippers comprises a stander, wherein a workbench is fixed on the stander; a counting device and a packing device are arranged on the workbench; the counting device comprises a bracket, a swinging rod and a counter; the bracket is fixedly connected to the workbench through an adjustment mechanism; the swinging rod is hinged to the bracket; a travel switch which can be in contact with the upper end of the swinging rod is fixed on the bracket and is connected with the counter through a line; the packing device comprises a material receiving piece and a push plate; the material receiving piece is arranged on the workbench; a through material chute is formed in the upper part of the material receiving piece; when outer force is applied, the zippers cross the counting device and fall into the material chute; the push plate is arranged on the workbench. The counting and packaging integration machine has the advantages of high production efficiency and high universality.

The invention discloses an erosion-resistant normally open internal blowout prevention valve, comprising a valve body, an upper valve seat and a lower valve seat fixed in the valve body, a sliding sleeve slidingly fitted in the upper valve seat, and a sliding sleeve fixed in the upper valve seat. The valve core under the sliding sleeve, the upper valve seat and the lower valve seat both have flow passages, a first elastic piece is arranged between the top of the sliding sleeve and the inner top surface of the upper valve seat, and a first elastic piece is arranged between the bottom of the valve core and the top of the lower valve seat The second elastic member, the side wall of the sliding sleeve is provided with a number of leakage channels, the bottom of the inner side wall of the upper valve seat is provided with a first sealing surface, the outer wall of the valve core is provided with a second sealing surface matching the first sealing surface, and the second sealing surface is located in the drain Below the flow channel; when there is no external force, the first sealing surface is not in contact with the second sealing surface. One of the technical problems solved by the present invention is that the sealing surface of the existing inner blowout preventer is easily damaged and fails, so that the erosion degree of the sealing surface can be reduced and the inner blowout preventer can be extended under the premise of ensuring the normally open operation of the inner blowout preventer. purpose of service life.

The invention relates to a bush stubble stumping machine with an automatic reset safe hood, which relates to a bush stubble stumping machine. The bush stubble stumping machine with an automatic reset safe hood solves the problem that most of the traditional bush stubble stumping machine is not provided with a safe protection hood, and thus operating personnel are seriously hurt when the stubble stumping saw blade is broken. The bush stubble stumping machine comprises a saw blade, a driving motor and an underframe, wherein the driving motor is arranged in the underframe; the axis of the outputshaft of the driving motor is vertical to a horizontal plane; the saw blade is sheathed on the output shaft of the driving motor; and the saw blade is positioned below the underframe. The bush stubble stumping machine also comprises a safe hood, a rotor, a steel wire rope and a resetting mechanism, wherein the rotor is sheathed on the output shaft of the driving motor, the rotor is positioned between the lower surface of the underframe and the saw blade, the safe hood is connected with the edge of the rotor, the safe hood is positioned at the front end of the underframe, one end of the steel wire rope is fixedly connected with the edge of the rotor, the other end of the steel wire rope is connected with the resetting mechanism, and the resetting mechanism is arranged in the underframe. The bush stubble stumping machine disclosed by the invention is used for the bush stubble stumping operation.

The embodiment of the invention provides an ice-breaking device and a refrigerator. The ice-breaking device comprises a shell assembly provided with a shell and an ice bucket and a driving mechanism used for driving the ice bucket to rotate, wherein an ice-discharging base plate is arranged at the bottom of the ice bucket, an ice discharging port which communicates with the ice bucket is arrangedon the ice-discharging base plate, and the driving mechanism comprises an ice cutter shaft fixed relative to the shell, an ice-breaking mechanism consisting of a plurality of movable ice cutters and aplurality of fixed ice cutters which are arranged at intervals on the ice cutter shaft and stop assemblies which are arranged on the ice cutter shaft and located between the adjacent movable ice cutters and fixed ice cutters. The ice-breaking device can prevent ice blocks from fall off without influencing the whole ice output rate.

The invention relates to a clapper-type relay which comprises an electromagnetic assembly and a contact assembly, the electromagnetic assembly comprises a yoke and an armature, the contact assembly comprises a movable reed, a wire inlet pin and a wire outlet pin, the wire outlet pin is provided with a static contact I and a static contact II, and the static contact I and the static contact II are arranged on the movable reed. A movable contact I is arranged at the position, corresponding to the fixed contact I, of the movable reed, a movable contact II is arranged at the position, corresponding to the fixed contact II, of the movable reed, the fixed contact I and the movable contact I are made of tungsten materials, and the fixed contact II and the movable contact II are made of silver materials. By adopting the technical scheme, the clapper type relay provided by the invention adopts a clapper type structure to realize opening and closing of the movable contact and the static contact, so that the movable contact and the static contact made of the tungsten material are contacted firstly, the movable contact and the static contact made of the silver material are contacted later, the movable contact and the static contact made of the tungsten material are disconnected firstly, and the movable contact and the static contact made of the silver material are disconnected later; a double-breakpoint output function and impact resistance are realized, and the service life of the contact is prolonged.

The invention discloses arm strength test game equipment. The top of a fixed plate is fixedly provided with a supporting rod, the top of the supporting rod is fixedly provided with a protective plate,the bottom of a moving block is fixedly connected with the top end of a belt, the outer side of the end, close to the supporting plate, of a movable rod is fixedly sleeved with a baffle plate, the outer side of the movable rod is movably sleeved with a first spring, and the first spring is located between the fixed base and the baffle. A connecting frame is fixedly installed at the top of a fixedplate, a fixed bearing is fixedly installed at the top of the connecting frame, the inner side of the fixed bearing is movably sleeved with a movable rod, the end, close to a protective plate, of themovable rod is fixedly provided with a rotating rod, the outer side of the movable rod is sleeved with a first spring, the first spring is located between a fixed base and a baffle. and the rotatingplate can be attached to the fixed disc all the time, so that the rotating wheel in the rotating rod can slide in the sliding groove, and a stop rod is fixedly installed on the outer edge of the side,close to the protective plate, of the rotating disc, and the rotating rod can drive the rotating disc to rotate during rotation.