39results about How to "Rebound fast" patented technology

The invention discloses automatic labeling equipment based on visual inspection, and relates to the technical field of automatic labeling, the automatic labeling equipment comprises a material conveying mechanism, the material conveying mechanism comprises a rack, and the rack is provided with a feeding conveying belt and a defective product conveying belt; the labeling mechanism comprises a buffer assembly, the bottom end of the buffer assembly is connected with a ventilation seat, and the bottom of the ventilation seat is in threaded connection with a labeling adsorption assembly; the spatial displacement mechanism is arranged on the rear side of the material conveying mechanism; and the detecting and pushing mechanism is arranged on the rear side of the conveying mechanism. The multiple light springs are embedded in the thickened sponge adsorption layer, the multiple light springs are matched with the thickened sponge adsorption layer to achieve the buffering effect, meanwhile, the multiple light springs support the thickened sponge adsorption layer, so that the thickened sponge adsorption layer can rapidly rebound, collapse of the thickened sponge adsorption layer is avoided, and the service life of the device is prolonged. And the service life is prolonged.

This invention belongs to the field of medical device technology and discloses a foot pressure relief device for diabetic foot. It includes a base, a pressure relief plate and a motor connected to the base, and a foot pedal and a transmission assembly connected to the pressure relief plate. The transmission assembly includes a crank, a first connecting rod, and a sliding seat. The crank is fixedly connected to the output shaft of the motor, and the sliding seat is connected to the pressure relief plate. The two ends of the first connecting rod are respectively connected to the crank and the sliding seat. The sliding seat is connected to a foot rolling shaft and a second connecting rod, and the second connecting rod is connected to a foot massage roller. A buffer spring is provided between the pressure relief plate and the base. The foot pedal has a through groove, and the foot rolling shaft is connected to a foot massage roller. This invention utilizes the foot rolling shaft / foot massage roller and the foot massage roller to simultaneously perform rolling massage on the sole and instep of the foot. The periodic oscillation of the pressure relief plate causes the heel and toes to alternately rise, resulting in good pressure relief for the foot.

The utility model relates to the technical field of packaging boxes, and discloses a packaging box color printing clamping device which comprises a base, four supporting legs are fixedly arranged on the bottom face of the base and evenly distributed on the bottom face of the periphery of the base, a clamping mechanism is fixedly arranged on the top face of the base, and the clamping mechanism is arranged on the bottom face of the base. A printing mechanism is fixedly arranged on the top surface of the base; the clamping mechanism comprises a clamping part and a power part, and the side face of the power part is fixedly connected with the side face of the clamping part; the power part comprises a motor A. The bottom face of the motor A is fixedly connected with the inner bottom face of the base. Through the arrangement of the clamping mechanism and the cooperative work of a motor A and a driving rod, a two-way threaded rod drives a moving block to move oppositely through a transmission assembly, so that when the packaging box is printed, the packaging box can be quickly clamped, and the position deviation of the packaging box is avoided during printing; and the packaging boxes with different sizes are correspondingly clamped.

The utility model relates to a composite double-layer grip for a fishing rod, which comprises an inner core, the inner core is provided with an axial hole which is through along the axial direction and is used for being sleeved on the grip part of the fishing rod and tightly matched with the grip part of the fishing rod, and the composite double-layer grip is characterized in that the inner core is a cylindrical EVA (Ethylene Vinyl Acetate) foaming material with high elasticity, and the outer surface of the inner core is coated with a layer of flaky POE (Polyolefin Elastomer) foaming material; the inner core and the sheet-shaped POE foaming material are jointed through an adhesive layer. The outer surface of the EVA inner core is coated with the sheet-shaped POE foaming material, so that the wear resistance, the skid resistance and the weather resistance of the grip are improved, meanwhile, the grip is resistant to ultraviolet rays and ozone aging, the EVA inner core and the sheet-shaped POE foaming material are bonded through the adhesive layer, the EVA inner core is driven to rapidly rebound through high-speed rebound of POE, contact between the EVA inner core and the outside can be reduced, aging of the EVA inner core is slowed down, and the service life of the grip is prolonged.

A foam body is integrally formed by upper foam and lower foam in a hot pressing mode, the outer wall of the left side of the lower foam horizontally extends outwards to form a first protruding part, and the outer wall of the right side of the lower foam horizontally extends outwards to form a second protruding part. A left side upper connecting strip and a left side lower connecting strip are bonded to the top face and the bottom face of the first protruding part correspondingly, a right side upper connecting strip and a right side lower connecting strip are bonded to the top face and the bottom face of the second protruding part correspondingly, and a first sliding groove is formed in the left side upper connecting strip. A first sliding block matched with the first sliding groove is formed on the surface of the upper connecting strip on the right side in a protruding mode. The left side upper connecting strip, the left side lower connecting strip, the right side upper connecting strip, the right side lower connecting strip and other parts are all located outside the conductive foam, so that normal compression deformation of the conductive foam cannot be affected, the use scene of the conductive foam cannot be limited, and the use effect is good.

This invention relates to the field of distillation equipment technology, specifically to a distillation apparatus for chemical and pharmaceutical applications. The apparatus includes a reaction vessel with an internal frame. A hydrophobic membrane is fixedly connected to the inlet side of the frame. The frame divides the reaction vessel into a hot side and a cold side; the inlet side is the hot side, and the outlet side is the cold side. A set of elastic bars, evenly distributed along the longitudinal axis of the frame, is fixedly connected to the inlet side of the hydrophobic membrane. Movable mechanisms are located on both sides of the frame. A movable frame, sliding up and down along the longitudinal axis of the frame, is slidably connected to the side of the frame near the outlet. Evenly distributed partitions are fixedly connected to the longitudinal axis of the movable frame, and evenly distributed protrusions are fixedly connected to both sides of the movable frame. This invention solves the technical problem of membrane pore blockage during membrane distillation of heat-sensitive drugs, leading to poor quality of the distilled drug.

The utility model relates to the technical field of instant noodle bagging, in particular to a breakage-proof device for noodle making, which adopts the technical scheme that the breakage-proof device comprises an operation table, a mounting rod is fixedly mounted on one side of the upper surface of the operation table, a shifting piece is fixedly mounted on the mounting rod, a reserved groove is formed in the upper surface of the operation table, and the breakage-proof device further comprises limiting wheels; the limiting wheel is movably mounted above the reserved groove; the cross section of the limiting wheel is designed to be of an oval structure. Wherein the outer side of the limiting wheel is in contact with but not fixedly connected with the shifting piece. The utility model solves the problems that the dough cake is easy to crack and the quality of the finished product is influenced when the dough shooting operation is carried out at the present stage.

The invention relates to the technical field of micro-nano fiber material preparation, and discloses a high-elastic crimped micro-nano fiber sponge and a preparation method thereof.The preparation method comprises the steps that an asymmetric airflow shearing field is constructed by adjusting an eccentric coaxial spray head, spinning solution jet flow is induced to generate high-frequency spiral whipping, and micro crimped fibers are formed; meanwhile, pulse hot airflow generated by an air cushion receiving table is used for carrying out suspension lifting, in-situ heat setting and vertical disturbance on deposited fibers, and an isotropic three-dimensional porous network with a Z-axis physical interlocking structure is constructed. The volume density of the prepared sponge is only 3-30 kg / m < 3 >, the porosity is as high as 90%-99%, the rebound rate is kept at 95% or above after 1000 times of cyclic compression under 60% strain, the problems that a compact film is easily formed, the interlayer binding force is weak and the fatigue resistance is poor in a traditional spinning technology are effectively solved, and the sponge has the advantages of being simple in process equipment, wide in raw material adaptability and the like.

The utility model relates to the technical field of sharp instrument separation, in particular to a pedal type sharp instrument separation device which comprises a tray, a sliding groove is formed in the middle of the tray, a cutter assembly is arranged in the middle of the sliding groove, clamping assemblies are arranged on the two side faces of the tray, a supporting assembly is arranged at the position, close to the front end, of the lower surface of the tray, and a fixed cutter is arranged at the position, close to the rear end, in the sliding groove. The cutter assembly comprises a fixing plate and a movable cutter connected to the rear end face of the fixing plate, clamping blocks are arranged at the two ends of the fixing plate, and the traction rope is sleeved with a spring. According to the pedal type sharp instrument separating device, the fixing plate with the movable cutter is matched with the tray in an inserted mode, the clamping block is matched with the clamping groove in a sliding mode, the movable cutter is matched with the fixed cutter, sharp instruments can be cut off and separated easily, the clamping block on the fixing plate is matched with the traction rope and the spring, and the position of the fixing plate rebounds rapidly; the traction rope passes through a plurality of pulleys and is hooked with a hook on the sliding rod, combination and installation are convenient, and the bottom of the sliding rod is matched with a pedal so that a user can step on the pedal to conduct cutting fit.

The key module comprises a key cap, an elastic connecting piece, a scissor foot, a thin film circuit board and a bottom plate, the two ends of the elastic connecting piece are connected with the two side edges of the upper end of the scissor foot respectively, and the bottom of the key cap is provided with a soft rubber column used for abutting against a conduction point on the thin film circuit board when the key cap is pressed. When the key cap is pressed to move downwards, the soft rubber column on the key cap is pressed on the conducting point of the thin film circuit board, so that the circuit is conducted, the force for pressing the key cap is released, the elastic connecting piece pulls the scissor foot to rebound, and the key cap moves upwards to be lifted. The elastic connecting piece can assist the scissor foot in rapidly rebounding, prolong the service life of the scissor foot and improve the pressing hand feeling, meanwhile, the soft rubber column replaces the conduction function of a traditional elastic element, more scissor foot reinforcing mechanism space is reserved, the soft rubber column is made of soft materials, and the elastic connecting piece is not prone to deformation. In the pressing process, the thin film circuit board is not prone to being damaged, and the service life of the thin film circuit board is effectively prolonged.

The utility model discloses a spraying device for robot shell processing, which comprises a working table, a support is arranged on the rear side of the upper end face of the working table, a spraying mechanism is arranged on the support, sliding seats are arranged on the left side and the right side of the upper end face of the working table in a sliding mode, and first sliding blocks are symmetrically arranged on the lower end faces of the two sliding seats. First sliding grooves corresponding to the first sliding blocks are formed in the front side and the rear side of the upper end face of the workbench correspondingly, supporting bases are slidably arranged on the upper end faces of the two sliding bases correspondingly, rotating shafts are rotationally arranged on the two supporting bases correspondingly, limiting bases are detachably arranged at the inner side ends of the two rotating shafts correspondingly, a driving motor is connected to the outer end of the rotating shaft on one side, and second sliding blocks are arranged on the lower end faces of the two supporting bases correspondingly. Second sliding grooves corresponding to the second sliding blocks are formed in the two sliding bases correspondingly, limiting rods are slidably arranged on the front sides and the rear sides of the upper end faces of the two supporting bases correspondingly, limiting holes corresponding to the multiple limiting rods are formed in the two sliding bases correspondingly, multiple sets of limiting holes are formed at intervals, through the design of the sliding bases and the supporting bases, spraying operation can be conveniently conducted on the long shell, and practicability is improved.

The invention discloses an electric heating pipe bending device, and belongs to the field of electric heating pipe bending, the electric heating pipe bending device comprises an operation table and a bending die movably mounted on the upper side of the operation table, the upper side of the operation table is fixedly connected with a fixed seat, the upper side of the operation table and the interior of the fixed seat are jointly provided with a screw rod driving part, and the upper side of the operation table is provided with a bending part; the bending component comprises a movable seat movably connected to the upper side of the operation table in a lap joint mode, three metal springs are fixedly connected to the front face of the movable seat, and a limiting groove is formed in the front face of the fixed seat. Due to the fact that the portion, expected to be bent, of the workpiece is sleeved with the metal spring, the metal spring can provide certain supporting force in the bending process, stress generated when the workpiece deforms is reduced, and the workpiece can be prevented from being flattened or broken in the bending process.

The utility model relates to the technical field of draw-bar boxes, and discloses a high-strength flame-retardant ABS draw-bar box which comprises two box bodies, the corresponding sides of the two box bodies are connected with a first zipper strip, the outer portion of the first zipper strip is connected with a first zipper head in a sliding mode, the upper portion of the front side of the box body on the front side is connected with a front cover in a rotating mode, and the upper portion of the rear side of the box body on the rear side is connected with a second zipper head in a sliding mode. A second zipper strip is connected to the rear side of the front cover, one side of the second zipper strip is connected to the front portions of the box bodies, a second zipper head is slidably connected to the outer portion of the second zipper strip, coded locks are fixedly connected to the front sides and the left sides of the two box bodies respectively, and rotating code wheels are rotatably connected to the upper sides of the interiors of one sides of the coded locks. And a screw slot is formed in the lower side of the rotating password wheel. According to the draw-bar box, articles in the draw-bar box are protected and are prevented from being easily opened by others to take the articles in the draw-bar box, and the draw-bar box is high in strength performance, firm, durable, resistant to collision and compression, capable of rapidly rebounding, moisture-proof and fire-proof.

The multifunctional plastic pillow comprises a high-resilience layer, a folding layer and a slow-resilience layer, the lower end face of the high-resilience layer is fixedly connected with the upper end face of the folding layer, the lower end face of the folding layer is fixedly connected with the upper end face of the slow-resilience layer, and the folding layer is an aluminum alloy folding layer. The upper end face of the high-resilience layer and the lower end face of the slow-resilience layer are each provided with a plurality of protruding blocks. According to the pillow, the characteristics of the aluminum alloy folding layer are utilized, and the pillow can be folded at will and fixed into different shapes to meet the requirements of users; due to the fact that the rebound resilience of the high-rebound layer and the rebound resilience of the slow-rebound layer are different, a user can select and use different rebound layers by himself / herself; the contact area between the pillow and the human body is increased by arranging the protruding blocks, and the comfort of a user is improved.

The utility model relates to the technical field of rubber sealing strips, in particular to an automobile flame-retardant rubber sealing strip which comprises a sealing strip body, an arc-shaped supporting plate is fixed in the sealing strip body, and a plurality of buffering assemblies arranged at intervals are fixed between the arc-shaped supporting plate and the sealing strip body. Buffer strips are fixed to the two sides of each buffer assembly, each buffer assembly comprises an elastic column, the angles of the elastic columns are arranged around an arc-shaped supporting plate, springs are connected to the outer sides of the elastic columns in a sleeving mode, and two inclined first supporting plates which are oppositely arranged are fixed to the lower portion of the arc-shaped supporting plate; a supporting strip is fixed between the first supporting plate and the arc-shaped supporting plate; the structural strength and resilience force of the automobile sealing strip can be improved, the using effect of the automobile sealing strip is optimized, the automobile sealing strip can rapidly rebound after being subjected to collision force or extrusion force, and the situation that the automobile sealing strip deforms and influences the sealing effect of the automobile sealing strip is effectively avoided.

The invention provides a TPEE foaming material and a preparation method thereof. The TPEE foaming material comprises a TPEE matrix, filler particles and holes between the TPEE matrix and the filler particles. The volume ratio of the holes is 18-35%, and the distribution uniformity U of filler particles is greater than or equal to 85%. The TPEE foaming material is prepared from the following raw materials in parts by weight: 70 to 90 parts of thermoplastic polyester elastomer, 1 to 5 parts of foaming agent, 2 to 15 parts of filler and 0 to 10 parts of additive. The foaming agent is a composite foaming agent with a core-shell structure, a shell layer of the composite foaming agent with the core-shell structure has hydrophilicity, and the filler is a plastic filler with hydrophilicity. The TPEE foaming material has the advantages of good foaming performance, high porosity, high strength and good rebound resilience, can realize rapid rebound, and is especially suitable for shoe materials.

The utility model provides a kind of duct air velocity monitoring device, it is related to detection equipment technical field, comprising: main duct;The outer end position of the main duct is equipped with outer fan, main duct is equipped with main frame assembly, the lower end position sliding installation of main frame assembly is equipped with top pressure component, the bottom position of the top pressure component of main frame assembly is fixed with fixed component, the lower end of main frame assembly is installed top pressure component directly, and fixed component is installed in the bottom of top pressure component, i.

The invention discloses a connector Pin height testing device, which belongs to the technical field of Pin height testing and comprises a supporting bottom frame, a fixed detection table is arranged on the supporting bottom frame, and a product placing track is fixed on the fixed detection table. According to the invention, for the detection of the Pin height of a small connector with a small number of Pins, the space required by a test device can be reduced, the cost required by the device is reduced, the technical difficulty required by the device is reduced, and the height data of the Pin can be obtained; the material pressing plate with the profiling pressing block is arranged on the lower surface of the lifting plate; before a product is tested, a profiling pressing block is used for pressing the back face of a Pin needle on the back face of the product, the perpendicularity of the product and the tested Pin needle can be guaranteed by pressing the product, the Pin needle of the product is avoided to prevent the pressing block from being in contact with the product to influence the state of the Pin needle of the product, the detection accuracy is guaranteed, all the Pin needles can be completely sensed in the testing process through the arranged detection module and the arranged auxiliary Pin needle, and the testing efficiency is improved. And meanwhile, the test Pin can be quickly rebounded, so that the test speed is increased.

The utility model belongs to the technical field of plastic flowerpot production, and particularly relates to injection molding equipment for plastic flowerpot production, which comprises a ball bin, a material blocking ball is movably mounted in the ball bin, one end of a discharge pipe is communicated with a material storage barrel, a piston is slidably mounted in the material storage barrel, one side of the piston is fixedly connected with a connecting rod, and the other side of the piston is fixedly connected with a screw rod. One end of the connecting spring is fixedly connected with a ball body, one end of the connecting pipe is connected with a transfer bin, the bottom side of the transfer bin is connected with an output pipe, according to the injection molding capacity needed by the plastic flowerpot, the piston is moved leftwards through the connecting rod, the material blocking ball moves in the ball bin away from the discharging pipe, and the ball body blocks the connecting pipe; during injection molding, the piston is moved rightwards, the ball moves in the transfer bin, the material blocking ball blocks the discharging pipe, and by accurately controlling the discharging capacity, it can be ensured that the amount of materials used by all products is the same, and the stability of the product quality can be improved.

The utility model discloses a multifunctional safety electricity utilization protector, which comprises an intelligent arc extinguishing device body, an audible and visual alarm, an arc extinguishing top and an operation control panel, the audible and visual alarm is installed and connected at the upper end position of the intelligent arc extinguishing device body, the arc extinguishing top is arranged at the left end of the intelligent arc extinguishing device body, and the operation control panel is arranged on the arc extinguishing top. The operation control panel is installed and connected in a groove in the front end of the intelligent arc extinguishing device body, a maintenance heat dissipation panel is arranged on the intelligent arc extinguishing device body below the operation control panel, and a fire extinguishing storage and conveying mechanism is arranged at the right end of the intelligent arc extinguishing device body. When the intelligent arc-extinguishing device is used, a person opens the fire-extinguishing puncturing mechanism with a tool to puncture the fire-extinguishing storing and conveying mechanism, so that carbon dioxide fire-extinguishing gas contained in the fire-extinguishing storing and conveying mechanism is conveyed into the intelligent arc-extinguishing device body, the interior of the intelligent arc-extinguishing device body is lack of oxygen, and the fire-extinguishing effect is achieved.

The invention relates to the technical field of rehabilitation training clothes, and discloses a scoliosis rehabilitation training clothes with an air bag self-adaptive adjusting system.The scoliosis rehabilitation training clothes with the air bag self-adaptive adjusting system.The scoliosis rehabilitation training clothes comprise a training clothes body, a controller shell is arranged in the training clothes body, a controller panel is arranged outside the controller shell, and a controller is arranged in the controller panel; a controller panel is arranged in the training clothes body, buttons are arranged outside the controller panel, an electric inflation and deflation device is arranged in the controller shell, a plurality of air pipes are installed in the controller shell, an air valve is arranged in each air pipe, and a plurality of air bag assemblies are installed in the training clothes body. A memory alloy spring is arranged in each air bag assembly. According to the device, the inflation threshold value of each air bag can be automatically calculated and set according to the physical characteristics of different users and the specific condition of scoliosis, independent control is conducted through the electric inflation and deflation device, and differential adjustment of pressure of different parts is achieved.

The utility model relates to a laborsaving eyebrow clip which comprises a first clip arm, a second clip arm, a first thin elastic piece and a second thin elastic piece, one end of the first thin elastic piece is connected with one end of the second thin elastic piece, the other end of the first thin elastic piece is connected with the head of the first clip arm, and the other end of the second thin elastic piece is connected with the head of the second clip arm. The first clamping arm, the second clamping arm, the first thin elastic piece and the second thin elastic piece are connected to form a V-shaped structure, and the head of the first clamping arm and the head of the second clamping arm abut against each other to form a clamping fulcrum, so that the first clamping arm and the second clamping arm become labor-saving levers, and a user can normally use the eyebrow clamp without wasting labor; due to the fact that the first thin elastic piece and the second thin elastic piece can generate lasting elastic force, the eyebrow clamp can rebound quickly, and the flexibility of clamping eyebrows is improved.

The utility model discloses a radar anti-collision structure and an intelligent floor sweeping robot, and relates to the technical field of floor sweeping robots, the radar anti-collision structure comprises an upper cover assembly, a through radar groove is formed in the middle of the upper cover assembly, a radar body is located in the radar groove, and the sensing end of the radar body protrudes out of the surface of the upper cover assembly; the radar cover is arranged outside the radar body in a covering mode, one side of the radar cover is rotationally connected into the radar groove through a rotating piece, and the other side of the radar cover is movably arranged in the radar groove through an elastic piece; the trigger assembly is arranged on the upper cover assembly and comprises a trigger panel and a trigger switch arranged on the radome, a gap exists between the trigger panel and the trigger switch, and when the radome is impacted by external force, the trigger switch makes contact with the trigger panel and is triggered. By adopting the technical scheme, the whole structure is simple, the production cost and the assembly difficulty are reduced, and the maintenance cost is lower.

The utility model belongs to the technical field of pollination, and discloses a fruit tree pollination device, which adopts the technical scheme that the fruit tree pollination device comprises a pollen blowing pipe, a fan is fixedly mounted at one end of the pollen blowing pipe, a pollen tank is fixedly mounted on the top side of the pollen blowing pipe, a pollen inlet hole communicated with the interior of the pollen blowing pipe is formed in the bottom side of the pollen tank, and a pollen outlet hole is formed in the top side of the pollen blowing pipe. A handle is fixedly installed on the bottom side of the powder blowing pipe and is hollow, a first through hole is formed in one side of the handle, a first sliding rod is arranged in the first through hole, a switch is fixedly installed in the handle and is connected with the fan through a circuit, a second through hole formed in the bottom of the powder blowing pipe is formed below the powder inlet hole, and a second sliding rod is arranged in the second through hole. And a gear is rotationally installed on one side of the handle through a support, and tooth grooves meshed with the gear are formed in the first sliding rod and the second sliding rod correspondingly. By means of the device, powder blowing can be conveniently controlled, the powder inlet hole can be conveniently closed after use, and waste is reduced.

The utility model provides an ultrasonic device and a control panel and a button structure thereof, the button structure is used for being installed on a panel main body of the control panel, and the button structure comprises an elastic button, a button cap and a trigger piece. The elastic key comprises a main body and a supporting piece, the supporting piece comprises an elastic part and a connecting part which are connected with each other, the outer side surface of the connecting part is an inclined surface, and the outer side surface of the elastic part is arc-shaped; the connecting part is connected with one end edge of the main body; the elastic part is connected with the panel main body; the key cap covers the main body; the trigger piece is arranged on the side, away from the key cap, of the body and used for being electrically connected with the control panel. And the key cap can drive the main body to move towards the direction of the trigger piece. And the key cap can be reset again. According to the ultrasonic equipment and the control panel and the key structure thereof provided by the utility model, the springback feeling of the key cap is strong, and the body is uniformly stressed when springback, so that the springback stability of the elastic key is ensured, and the key cap on the elastic key does not shake.

The utility model provides a kind of sunshade curtain assembly of automobile luggage rack, comprising: luggage rack, is set to the roof surface of car, the luggage rack has cavity along the length extension direction of car;Slip component, it is set on the luggage rack, and it is located in the cavity, the slip component has a sliding part, for moving out the cavity or moving into the cavity in the direction of advance of car towards car;Sunshade curtain component, it is set on the sliding part, when the sliding part is located in the cavity, the sunshade curtain component is reeled in the cavity simultaneously, when the sliding part moves out the cavity, the sunshade curtain component is unfolded along the width extension direction of car, forms sunshade area.The utility model when needing to shield car front windshield, sunshade curtain component is moved out cavity by slip component, and sunshade curtain component is unfolded, so that it is covered to car front windshield, can effectively block the irradiation of sunlight.

This invention provides a flexible inductive magnetic pressure sensor, comprising a magnetoelastic body unit, a magnetic sensing unit, and a magnetic rebound unit arranged sequentially from top to bottom, wherein the magnetization directions of the magnetoelastic body unit and the magnetic rebound unit are opposite. This invention also provides a flexible inductive magnetic pressure sensor array. Compared with the prior art, this invention utilizes the mutual repulsive force between the magnetoelastic body unit and the magnetic rebound unit with opposite magnetic poles to achieve rapid rebound of the magnetoelastic body, thereby reducing the hysteresis behavior of the inductive magnetic pressure sensor.

The utility model provides an aviation engine sealing element, and belongs to the technical field of aviation auxiliary instruments. Comprising a sealing element body, integrally-formed L-shaped baffle rings are symmetrically arranged at the two ends of the inner side wall of the sealing element body, an annular cavity is defined by the sealing element body and the L-shaped baffle rings, an elastic supporting assembly is slidably connected into the annular cavity and comprises a first supporting annular plate and a second supporting annular plate, and a buffer spring is arranged between the first supporting annular plate and the second supporting annular plate. Under the action of the elastic supporting assembly, the buffer spring can assist the sealing element body and the L-shaped baffle ring to rebound quickly, so that the sealing element body and the L-shaped baffle ring are not in a compressed state for a long time, the sealing element body and the L-shaped baffle ring are effectively prevented from being compressed into an irreversible state, the sealing performance is prevented from being influenced, and the sealing effect is greatly improved; and the elastic supporting assembly is plugged into the annular cavity, so that the elastic supporting assembly can be protected, and the service life is prolonged.

The invention discloses an oxygenation aeration pipe for breeding and a preparation method thereof. The oxygenation aeration pipe comprises the following raw materials in parts by weight: 100 parts of rubber powder A; 2 to 30 parts of rubber powder B; 30 to 80 parts of linear low density polyethylene resin powder; 0.5 to 10 parts of a lubricant; and 0.5 to 10 parts of a foaming antibacterial agent. According to the invention, the aeration pipe which is integrally molded and extruded in the extruder has nano-scale air holes in the surface of the prepared product, so that the oxygenation amount of the aeration pipe can be effectively increased; by adding a proper amount of rubber powder A and rubber powder B, the pipe is good in toughness, capable of rapidly rebounding and long in service life; the outer wall of the aeration pipe is of a fish scale structure during extrusion, sediment and other substances are effectively shielded, air holes are prevented from being blocked, and the service life of the aeration pipe is prolonged; the antibacterial agent introduced into the raw materials of the aeration pipe effectively avoids algae breeding on the surface of the pipe, further avoids the problem of air hole blockage of the aeration pipe, and meanwhile effectively guarantees the healthy environment of aquaculture water.