30results about How to "Unable to escape" patented technology

The invention discloses a range hood with an oil fume separator. The range hood comprises a hollow range hood shell, wherein an air outlet and an air inlet are respectively formed in the upper end and the lower end of the range hood shell; an air flue communicating the air outlet with the air inlet is formed in the shell; a fan for sucking oil flue is arranged in the air passage. The range hood is characterized in that the oil fume separator is arranged at the air inlet; the fume separator comprises a plurality of rotating shafts rotating due to negative pressure generated by the rotation of the fan; a plurality of condensing sheets rotating together with the rotating shafts are arranged on each rotating shaft; an oil receiving box for receiving oil thrown off the condensing sheets is arranged on the range hood shell. The range hood can effectively realize fume separation, the oil is prevented from entering the interior of the range hood, a motor and an impeller inside the range hood are protected, the performance stability of the range hood is guaranteed, the service life of the range hood is prolonged, and meanwhile the conditions that the oil is easily collected on the wall surface and in the oil flue are greatly reduced.

The invention discloses an anti-loose retaining type connection structure, which comprises a bolt and a nut. The bolt comprises a screw rod and a limiting block located on one end of the screw rod andfixed to the screw rod; a center cavity is arranged in the screw rod; a first pore passage and a second pore passage communicating with the center cavity are arranged on a side wall of the screw rod;a push rod is arranged in a center hole; a pressing block is arranged on one end, close to the limiting rod, of the push rod; a first ejector rod and a second ejector rod movably connected with the push rod are arranged on one end, far away from the limiting block, of the push rod; axially arranged compression springs pressing against the first ejector rod and the second ejector rod are arrangedon one sides, far away from the push rod, of the first ejector rod and the second ejector rod; when the compression springs are at a natural state, one ends, far away from each other, of the first ejector rod and the second ejector rod penetrate through a first through hole and a second through hole so as to extend to the outer part of the screw rod; and a locked groove for the first ejector rod and the second ejector rod to insert is formed in an inner wall of the nut. According to the anti-loose retaining type connection structure provided by the invention, a connected workpiece is good in firmness, and cannot get loose and be separated.

The invention discloses a data processing method and a device based on a block chain. The method comprises steps: receiving a calculation demand provided by a calculation initiator; according to the charging standard of the data owner, the charging standard of the service provider and the charging standard of the security infrastructure party, deducting fees from the calculation initiator; after the deduction is successful, a notification being issued to the security infrastructure to enable the security infrastructure to obtain the data and the service program, and the data being calculated using the data and the service program according to the organization mode. Compared with the prior art, the invention realizes resource integration and service settlement through the intelligent contract on the block chain, which not only greatly reduces the cost, but also makes the data unable to escape and the bottom system unable to steal the data due to the trusted computing environment of thesecurity infrastructure.

An oil soot stream guide unit for the oil soot extractor is composed of power cord, control switch, motor, fan and wind pipe. It features that an inducing outlet of oil soot is made on the positive-pressure segment of wind pipe and a wind curtain sprayed upward can prevent escape of oil soot.

The invention discloses a tool set for fixing cylinders and columns, which comprises a base (1) and at least two cylinders (4), wherein the base (1) is provided with a ring channel (2) and at least one straight channel (3); the inner end of the straight channel (3) is communicated with the ring channel (2); both sides of each straight channel (3) are respectively provided with a cutter feed chute (5); the inner end of each cutter feed chute (5) is a tip (5.1); the tip (5.1) of each cutter feed chute (5) is positioned at the communication part of the ring channel (2) and the straight channel (3); each cutter feed chute (5) is matched with a cutter (6) in an inside slip mode; the back end of each cutter (6) is fixed with a piston rod (4.1) of one cylinder (4); and each straight channel (3) is provided with a device for abutting against the column. The tool set for fixing cylinders and columns has the advantages of high speed, high efficiency and firm fixation, and can not damage the workpiece in a large area.

The invention discloses a gasification heat-accumulation combustion device for garage. The gasification heat-accumulation combustion device comprises a water pipe wall furnace body, wherein a boiler is arranged on the water pipe wall furnace body; an upper-layer heat-accumulation chamber and a lower-layer heat-accumulation chamber are formed in the water pipe wall furnace body through a water pipe partition layer; the lower-layer heat-accumulation chamber comprises a combustion chamber and shunt-wound heat-accumulation chambers; a fire grate is arranged below the combustion chamber, and a garbage feeding mechanism is arranged at the side part of the combustion chamber; the shunt-wound heat-accumulation chambers include a heat-accumulation chamber A and a heat-accumulation chamber B which are communicated with each other, the heat-accumulation chamber A is communicated with the combustion chamber, and the heat-accumulation chamber B is communicated with the upper-layer heat-accumulation chamber. According to a use method of the gasification heat-accumulation combustion device, garbage is combusted on the fire grate, and hot gas enters the shunt-wound heat-accumulation chambers through a combustion region to warm and remove impurities and simultaneously heat the water pipe wall furnace body and the water pipe partition layer; then hot gas enters the upper-layer heat-accumulation chamber to be subjected to heat accumulation and simultaneously heat the water pipe wall furnace body and the water pipe partition layer, and produced waste heat is used by other equipment.

The invention relates to the technical field of wood door processing, and discloses a waste circulation type wood thermal cutting device. The waste circulation type wood thermal cutting device comprises a rack, a first sliding way and a second sliding way, wherein the first sliding way and the second sliding way are arranged on the rack and are horizontal. A first sliding block is in sliding connection to the first sliding way, a second sliding block is in sliding connection to the second sliding way, a connecting button is fixed to the first sliding block, and a heating device is fixed to thesecond sliding block and is electrically connected with an alloy wire fixedly connected with the connecting button. A second air box is fixed to the end, away from the second sliding block, of the second sliding way, a second piston plate is in sliding connection in the second air box, and a second piston rod is arranged between the second piston plate and the second sliding block. A containing table and a press plate are fixed to the rack. A grinding rod is arranged between the first sliding block and the second sliding block, multiple openings are formed in the side wall of the grinding rod, the second sliding block is provided with an air cavity communicating with the second air box, and one end of the grinding rod is located in the air cavity and fixedly provided with fan blades. Thewaste circulation type wood thermal cutting device is simple in structure, and a carbon layer formed by thermal cutting can be ground and recycled.

The invention provides a pole and a battery cover plate, and relates to the technical field of new energy, the pole comprises a pole main body, the pole main body comprises an outer connecting plate, a connecting column and an inner connecting plate, the outer connecting plate is arranged at the upper end of the connecting column, and the inner connecting plate is arranged at the lower end of the connecting column; a clamping groove is formed between the outer connecting plate and the inner connecting plate, and the clamping groove is formed in the circumferential direction of the connecting column. According to the pole provided by the invention, the clamping groove is formed by the outer connecting plate and the inner connecting plate, and when the battery cover plate main body is subjected to injection molding, the pole is placed in the injection molding cavity, so that the pole and the battery cover plate main body can be firmly fixed together, and the pole and the battery cover plate main body cannot be separated; as the battery cover plate main body is formed by injection molding, the battery cover plate main body is made of an insulating material; compared with the prior art, a sealing ring and the like can be omitted from the battery cover plate main body, so that the cost of the whole battery cover plate is reduced, and the market competitiveness is improved.

The invention discloses an engine lubricating oil anti-wear agent as well as a preparation method and application thereof. The engine lubricating oil anti-wear agent is prepared from the following rawmaterials in parts by weight: 10-20 parts of polyimide, 25-35 parts of poly-p-hydroxy phenyl benzoate, 1-5 parts of nano copper oxide, 3-6 parts of soluble polytetrafluoroethylene superfine powder, 1-20 parts of fluorocarbon surfactant, 10-15 parts of octadecaborate polyoxyethylene ether, 3-10 parts of vinyl silicone oil and 4-20 parts of dimethyl silicone oil. The engine lubricating oil anti-wear agent is reasonable in compatibility, is good in intermiscibility with base oil, greatly improves oil film strength, reduces a friction coefficient and realizes self-repair; and the preparation method for the ant-wear agent is simple, is low in cost, and is suitable for being popularized and applied.

The invention discloses an anaesthetic mask for the clinic anesthesiology department. A mask body is provided with fixing belts, the end, away from the mask body, of the first fixing belt is fixedly connected to one side of a winding box, a storage cavity is formed in the winding box, a vertical central shaft is rotatably installed in the storage cavity, and a coaxial winding wheel is fixedly installed at the outer side of the central shaft; the side, away from the first fixing belt, of the storage box is provided with a long-strip-shaped opening communicated with the storage cavity, the end, away from the mask body, of the second fixing belt penetrates through the long-strip-shaped opening and is fixedly connected to the winding wheel, and a fixing belt adjusting mechanism is arranged between a knob and the winding box. When the anaesthetic mask is in use, the knob can be rotated to drive the winding wheel to rotate and wind the second fixing belt, so that the purpose of reducing the overall length of the fixing belts is achieved, or the second fixing belt is drawn out of the winding box to drive the winding wheel to reversely rotate and release the second fixing belt, so that the purpose of increasing the overall length of the fixing belts is achieved. The anaesthetic mask has the advantage that the length of the fixing belts is conveniently adjusted according to the size of the head of a patient.

The invention relates to the technical field of file cabinets, in particular to a foldable and detachable file cabinet. A back plate is provided with a drawer assembly, the drawer assembly comprises two supporting square rods, one end of each supporting square rod is hinged with the back plate, and a guide rail along the length direction of the supporting square rods is arranged on the upper sideof each supporting square rod; the drawer assembly also comprises a drawer bottom plate, a drawer rear plate hinged at the rear side of the drawer bottom plate, a drawer side plate hinged at the sideof the drawer bottom plate and a drawer front plate hinged at the front side of the drawer bottom plate, wherein the drawer rear plate, the drawer side plate and the drawer front plate are detachablyconnected, the lower end surface of the drawer bottom plate, close to the two guide rails, is respectively connected with a mounting rod, and two pulleys clamped in the guide rails are respectively arranged on one sides of the mounting rods, which are away from each other. The drawer is separated by opening the drawer front, drawer side and drawer rear along the hinge.

The invention discloses a bottle cap connecting structure of a mineral water bottle. The bottle cap connecting structure of the mineral water bottle comprises a bottle opening and a bottle cap; the two symmetrical sides of the outer wall of the bottle opening are horizontally connected with rotary shafts; a bottle cap holder is rotationally installed between the two rotary shafts; a top beam of the bottle cap holder stretches across the bottle opening horizontally; a through hole is formed in the middle of the top beam; the bottle cap penetrates through the through hole of the top beam and covers the upper portion of the bottle opening in a threaded sleeving mode; and the bottle cap is designed to be of a structure incapable of completely disengaging from the through hole of the top beam.According to the bottle cap connecting structure of the mineral water bottle, the bottle cap cannot be separated from the mineral water bottle, the problems about sanitation caused when the bottle capfalls down or is lost can be avoided, and sweeping and recycling are facilitated.

The invention discloses a combined nursing frame for the digestive system department. The nursing frame comprises a nursing table, a wash stand is arranged at the top of the nursing table, a mountingframe is fixed at one end of the top of the wash stand, side frames are symmetrically fixed to the two sides of the mounting frame, sliding grooves are formed in the surfaces of the tops of the side frames, sliding blocks are arranged on the inner sides of the sliding grooves, a main roller is arranged between the sliding blocks in a connection mode, an auxiliary roller is fixed to the inner sideof the mounting frame, and screw rods penetrate through the interiors of the sliding blocks and penetrate through the sliding grooves to be connected to the side frames through threads. Through the designed sliding blocks, the position of the main roller can be adjusted; by means of the designed main roller and the designed auxiliary roller, a towel is extruded on the inner side, the towel is pulled, the main roller and the auxiliary roller rotate mutually, then the towel is rapidly extruded and dewatered so as to effectively avoid that the hands are wetted by water and the water is absorbed by the towel again due to the fact that the towel is wrung out by hands of medical staff; and through the designed screw rod, the effect of adjusting the position of the sliding block is achieved.

The invention provides a pile holding machine. The pile holding machine comprises a base; a pile holding device, an oil cylinder device and a locking device are arranged on the base, the pile holdingdevice comprises a holding arm, a bearing seat and an arm opening oil cylinder, the bearing seat is installed on the base, the holding arm is connected with the bearing seat, and the arm opening oil cylinder is connected with the holding arm and the base; and the locking device comprises a locking oil cylinder, a fixing base, a lock pin, a locking fixing plate and a movable fixing plate, the locking oil cylinder is installed on the locking fixing plate through the fixing base, and a piston rod of the locking oil cylinder is arranged in the fixing base and connected with the lock pin. When thepile holding machine is used, the holding arm is unfolded, when a pile enters a pile area, the holding arm is closed, after the completion of closing of the holding arm, the pile holding device is locked through the locking device, thus a pile column is surrounded and prevented from being separated from the pile holding device even if the pile column vibrates under the action of the locking devicein the pile driving process, and the stability is good.

The invention discloses an engine lubricating oil anti-wear agent as well as a preparation method and application thereof. The engine lubricating oil antiwear agent comprises the following raw materials in parts by weight: 10-20 parts of polyimide, 25-35 parts of polyphenylparaben, 1-5 parts of nano-copper oxide, soluble polytetrafluoroethylene 3-6 parts of ethylene superfine powder, 1-20 parts of fluorocarbon surfactant, 10-15 parts of octadecyl borate polyoxyethylene ether, 3-10 parts of vinyl silicone oil, 4-20 parts of dimethyl silicone oil share. The engine lubricating oil antiwear agent of the present invention has reasonable compatibility, good compatibility with base oil, greatly enhances oil film strength, reduces friction coefficient and realizes self-repair; the preparation method of the antiwear agent is simple and low in cost, and is suitable for popularization and application .

The invention relates to the technical field of fireproof doors, and particularly relates to a steel fireproof door capable of enhancing fire integrity. The steel fireproof door comprises a door body, wherein a handle is arranged on the end face of the door body, the door body comprises two steel plates, a first fireproof layer and a second fireproof layer, the first fireproof layer and the second fireproof layer are arranged between the two steel plates, and fixing parts are arranged at the tops and the bottoms of opposite end faces of the two steel plates at intervals. According to the steel fireproof door capable of enhancing fire integrity, an external fire source can be primarily blocked by fireproof coatings arranged on the steel plates, second inorganic refractory mortar is solidified when heated, so that reinforcing ribs are prevented from deforming at high temperature and can stably support and connect the first fireproof layer and the steel plates, the two steel plates are not easily separated, fire integrity of the door body is enhanced, hollow glass can function in smoke and heat insulation, and a glass magnesium board is high in density and good in fireproof performance.

The invention provides terrestrial heat extraction equipment with a heat-preserving function. The terrestrial heat extraction equipment with the heat-preserving function comprises a main body mechanism, a water input pipe, a water output pipe, a pressure water pump and a heat exchanger. The main body mechanism comprises a main body shell, a heat absorbing face, a heat preserving vacuum cavity anda partition plate. The heat preserving vacuum cavity is formed in the main body shell. The heat absorbing face is fixedly connected to the bottom of the main body shell. The partition plate is fixedlyconnected to the portion, distancing from the bottom by one third, of the inner side wall of the main body shell. The water input pipe is fixedly installed on one side of the top of the main body shell. The water output pipe is fixedly installed on one side, located on the top of the main body shell, of the water input pipe. The terrestrial heat extraction equipment with the heat-preserving function has the advantages that operation is convenient, heat can be kept from being dispersed in the terrestrial heat extraction process to the greatest extent, the working efficiency is improved, and meanwhile, an operator can be accurately reminded when the water is used up.

The invention discloses a separated heating wide-range oxygen sensor. The separated heating wide-range oxygen sensor comprises a sensor chip core; a heater surrounds the outer part of one end of the oxygen sensor chip core; the relative position between the heater and the sensor chip core is not changed and the heater and the sensor chip core are not in contact with each other; the sensor chip core comprises a Nernst battery, a pump battery and a detection cavity which are respectively arranged on different stacked zirconium oxide substrates. The pump battery, a closed detection cavity and theNernst battery are combined, oxygen in the cavity cannot escape or diffuse through a closed cavity, the Nernst voltage detection precision is higher, and the threshold value is wide. Due to the design of the external heater, the difficulty of a manufacturing process is reduced, leakage current is completely eradicated, the measurement precision is improved, heating is uniform, consistency of allpositions is high, generation of thermal stress is reduced, and reliability is enhanced. A diffusion barrier is not needed, and the process is simple; no diffusion barrier material is needed, the material types are few, co-firing matching is good, and the yield is high. The structure is simple, the number of laminated layers is small, weight is reduced, vibration resistance is enhanced, and overall reliability is enhanced.

The invention provides a control method of a pile holding machine. The pile holding machine comprises a base, a pile holding device, an oil cylinder device and a locking device are arranged on the base, the pile holding device comprises a holding arm, a bearing seat and an open arm oil cylinder, the bearing seat is installed on the base, the holding arm is connected with the bearing seat, and theopen arm oil cylinder is connected with the holding arm and the base; and the locking device comprises a locking oil cylinder, a fixing base, a lock pin, a locking fixing plate and a movable fixing plate, the locking oil cylinder is installed on the locking fixing plate through the fixing base, and a piston rod of the locking oil cylinder is arranged in the fixing base and connected with the lockpin. According to the structure, when the holding arm is closed, a pile is pre-fixed through idler wheels of the oil cylinder device, meanwhile, the pile holding device is locked through the locking pin, the movable fixing plate and the locking fixing plate by driving the locking oil cylinder, so that the pile is surrounded, the holding arm is closed firstly and then locked, and the operation method is simple while the stability is ensured.

The present invention relates to a power fire extinguisher rotation device which can easily rotate a fire extinguisher placed on a wall by less force, thereby effectively preventing solidification orwithdrawal of charged extinguishing power within the fire extinguisher over the years. According to the present invention, the power fire extinguisher comprises: a base having a first fastening portion at an edge thereof; a circular rotation plate having a circular protrusion formed on a circular body portion seated on a front of the base; a base cover installed on a front surface of the base under the rotation plate, having a circular housing portion accommodating an outer periphery of the body portion of the rotation plate and a circular opening exposing the protrusion of the rotation plate;and a fire extinguisher rotating bracket fixedly coupled to a center of the circular protrusion of the rotation plate exposed through the opening of the base cover and integrally rotated with the rotation plate.[0]

The invention discloses a grass scraping device for preventing grass winding of a rotary cultivator cutter shaft. The grass scraping device comprises two arc-shaped plates, wherein the arc-shaped plates are connected through a first connecting mechanism; a sliding groove is formed in the middle of the outer side of each arc-shaped plate; the bottom end of a sliding rod is located in the sliding groove and matched with the sliding groove; a fixed box is fixedly connected to the top of the sliding rod; a first spring is arranged in the fixed box; movable plates are fixedly connected to the two sides of the first spring; blades are fixedly connected to the sides, away from the first spring, of the movable plates; a plurality of vertical weeding knives are fixedly connected to the two sides ofthe bottom of the fixed box, and transverse weeding knives are connected between the vertical weeding knives; a fixing mechanism is arranged at the top of the fixed box and located on one side of a movable opening; a first sleeve is arranged on one side of each arc-shaped plate; and the first sleeve is fixedly connected with a flange plate. The grass scraping device has the beneficial effects that weeds can be cut off before the weeds are wound on the cutter shaft, and the possibility that the weeds are wound on the cutter shaft is reduced.

The invention provides a light pressing type operation tool storage platform capable of preventing instantaneous impact, and belongs to the technical field of space robots. The problems that an opening and closing mechanism is low in rigidity, a cover plate is poor in impact load resistance, and tools are prone to disengagement under the condition that multiple tools are arranged in parallel in an existing space on-orbit operation tool storage platform are solved. The device comprises an opening and closing driving mechanism, a triangular bracket type anti-impact cover plate mechanism, a tool bracket and a spring buffer mechanism, and has the capability of actively and passively resisting tool impact, and in order to reduce the impact load momentum, the passive spring buffer mechanism is designed on a cover plate, so that the instantaneous impact force is effectively reduced; the cover plate opening and closing driving mechanism is in a mode that a small driving motor is combined with a large-reduction-ratio harmonic reducer, and the passive impact resistance of the opening and closing mechanism is improved. Under the impact effect, the multiple tools distributed in parallel can generate corresponding impact force on the cover plate to enable the cover plate to overturn, and therefore the triangular support type anti-impact cover plate mechanism is designed, deformation of the cover plate is effectively resisted, and the tools are prevented from escaping.

The invention relates to the field of sporting goods and processing, in particular to a psychological pressure relief boxing receptor swing part and production and assembly equipment. It includes a vent part and a base, and a joint adjustable swing device is connected between the vent part and the base; the joint adjustable swing device includes a support rod for connecting with the base, and an installation cavity is provided on the top of the support rod, and a The first compression spring, the upper end of the first compression spring is provided with a sliding seat, and the upper end of the sliding seat is provided with an arc groove; the ball at the lower end of the joint rod is placed in the arc groove; the center hole of the adjustment cover passes through the rod body of the joint rod It is threadedly connected with the upper end of the support rod; the bottom end of the support rod is provided with a mounting hole; the upper end of the support rod is covered with a swing spring. The beneficial effects of the present invention are: the reset speed and the swing range of the joint rod can be controlled by rotating the adjustment cover, so that the swing range and swing speed of the catharsis person can be adjusted, which is suitable for different users.

The invention relates to the field of sports goods and processing, in particular to a psychological pressure relief boxing receptor swing part and production assembly equipment. The receptor swing part comprises a catharsis part and a base, and a joint adjustable swing device is connected between the catharsis part and the base; the joint-adjustable swing device comprises a supporting rod used for being connected with the base, a mounting cavity is formed in the top end of the supporting rod, a first compression spring is arranged in the mounting cavity, a sliding seat is arranged at the upper end of the first compression spring, and an arc groove is formed in the upper end of the sliding seat. A sphere at the lower end of a joint rod is placed in the arc groove; and a center hole of an adjusting cover penetrates through a rod body of the joint rod and then is in threaded connection with the upper end of the supporting rod. Mounting holes are formed in the bottom end of the supporting rod; and the upper end of the supporting rod is sleeved with a swing spring. The receptor swing part has the beneficial effects that the reset speed and the swing amplitude of the joint rod can be controlled by rotating the adjusting cover, so that the swing amplitude and the swing speed of a catharsis person are adjusted, and the receptor swing part is suitable for being used by different users.

The invention discloses a continuous cockroach trap cartridge, and belongs to the technical field of trap devices. The continuous cockroach trap cartridge comprises a cartridge; a trap box is arrangedat the middle of the cartridge; collection boxes are arranged on both sides of the trap box; a control box is arranged on one side, far away from the trap box, of one of the collection boxes; a battery box is arranged inside the control box; a drive motor is arranged inside the control box; a drive shaft of the drive motor is connected with a small threaded rod; a delay switch is arranged on oneside of the small threaded rod; the small threaded rod is in gear connection with a large threaded rod; the large threaded rod extends out of the control box, and is movably connected with a cartridgewall far away from the control box; a push board is movably arranged on the large threaded rod in the trap box; and the trap box is provided with a cockroach entrance. Being arranged with the push board, the continuous cockroach trap cartridge allows pushing of cockroaches in the trap box into the collection boxes, thereby realizing collection of the cockroaches.

The invention belongs to the technical field of automobile air compressors, and particularly relates to an automobile air compressor with an unloading gas storage oil mist separation cavity. The automobile air compressor comprises a cylinder cover, a middle plate, a valve plate, and a crankcase; a gas inlet cavity and a gas outlet cavity are arranged between the middle plate and the valve plate; agas inlet and a gas outlet are formed in the cylinder cover and the middle plate; the valve plate is provided with an air inlet hole, an air outlet hole, and a valve block assembly; an unloading airstorage oil mist separation cavity is formed between the cylinder cover and the middle plate; unloading air holes are formed in the valve plate and the middle plate; and a valve assembly is arranged on the valve plate or the middle plate. According to the automobile air compressor with the unloading gas storage oil mist separation cavity, when the air compressor is unloaded, the unloading air holes are communicated through the valve assembly, so that air enters into the unloading air storage oil mist separation cavity from the unloading air holes, and a piston moves upwards to push the air into the unloading air holes so as to push the air into the unloading air storage oil mist separation cavity; and when the piston moves downwards, the air reversely presses on an air cylinder body and the piston along with the piston and seals a gap between the air cylinder body and the piston, so that oil cannot escape.