108results about How to "Large deformation" patented technology

The invention discloses a braille point display device. According to the Braille point display, the shape memory alloy material is used as the lifting structure, and the lifting structure is controlled to deform under the power-on condition, so that the point display part is driven to extend or retract relative to the mounting main body. Compared with piezoelectric driving and electromagnetic driving equipment, the shape memory alloy material can adjust the deformation quantity through the power-on state, large deformation quantity can be generated through a small structural material, the size of a lifting structure does not need to be increased, the driving structure of the braille convex points is effectively simplified, the size of the equipment is reduced, and the production cost of the equipment is reduced. And meanwhile, the locking mechanism is arranged, so that the telescopic state of the point display part is kept, the situation that the lifting structure is always kept in a power-on state is avoided, and the power consumption of equipment is reduced.

The invention discloses a paper folding type piezoelectric energy collector for collecting low-frequency energy. The paper folding type piezoelectric energy collector comprises a piezoelectric composite material paper folding cylindrical structure and two side end faces. The piezoelectric composite material origami cylindrical structure is obtained by bending and folding a planar piezoelectric composite material along a peak fold line and a valley fold line. In the bending process, the bent piezoelectric ceramic composite material can be manufactured by controlling external force in the sintering process. According to the invention, piezoelectric ceramic 3D printing is combined with a novel material inspired by paper folding. The piezoelectric ceramic suspension is used as 3D printing ink. The novel material structure is based on a Kresling origami cylindrical surface, but creases are hidden, the effective collection area is increased, and the electrical performance is improved. The multi-stable Kresling origami structure has low rigidity and a low energy barrier, so that energy collection in a low-frequency environment becomes possible, and the multi-stable Kresling origami structure is particularly suitable for ocean wave energy collection application.

The utility model relates to the technical field of batteries, and provides a circuit board, a battery and a power utilization device.The circuit board comprises a circuit board body and a flexible cantilever structure arranged on the circuit board body, and the flexible cantilever structure comprises a first buffer section, a buffer connection section and a second buffer section which are arranged in sequence; one end of the first buffer section is connected with the circuit board body, the other end of the first buffer section is connected with the buffer connection section, and a first reserved gap is formed between the first buffer section and the circuit board body; one end of the second buffer section is connected with the buffer connecting section, the other end of the second buffer section extends, and a second reserved gap is formed between the second buffer section and the first buffer section; and a collection part is arranged at the extension end of the second buffer section. Compared with an existing cantilever structure, according to the scheme, the situations that the cantilever is torn or snapped under the working condition that the extrusion or stretching displacement is large can be avoided, and therefore more stable application performance is provided, and application safety is improved.

The utility model discloses a steel-concrete composite beam cast-in-place bridge deck slab construction supporting system which comprises narrow steel box girders, wood secondary ridges and wood formworks and is characterized by further comprising lug plates welded on the inner sides of the tops of the narrow steel box girders and steel main ridges fixedly connected between the adjacent narrow steel box girders through the lug plates. The cantilever steel pipe, the left inclined supporting rod and the right inclined supporting rod are arranged on the bottom plate cantilever plate on the inner side of the narrow steel box girder; the upper ends of the left inclined supporting rod and the right inclined supporting rod are connected with the midspan position of the steel main ridge, and the lower ends of the left inclined supporting rod and the right inclined supporting rod are connected with the cantilever steel pipes on the adjacent narrow steel box girders respectively. The wood secondary ridges and the wood formworks are sequentially arranged on the steel main ridges from bottom to top. A novel structural design is adopted, stress is reasonable, materials are conventional, installation is convenient, the construction speed is high, the construction cost is low, and compared with a full-space supporting system, the economic performance, the safety, the progress and the quality are greatly improved.

The invention relates to a silk fibroin hard material, a preparation method and application, and the preparation method comprises the following steps: carrying out bubble removal treatment on a solution containing regenerated silk fibroin to obtain a high-purity silk fibroin solution or a silk fibroin / gelatin composite solution; and performing gel treatment on the high-purity silk fibroin solution or the silk fibroin / gelatin composite solution to obtain the silk fibroin hard material. The method has the advantages that the prepared silk fibroin solution has extremely high purity through the steps of fine degumming, washing, dissolving, dialysis and concentration and the treatment of centrifugal bubble removal.

The invention discloses an adjustable rear damping mechanism and a locomotive, and relates to the technical field of locomotives, in particular to the adjustable rear damping mechanism comprising an eccentric assembly, the eccentric assembly comprises a first crank arm and a second crank arm, the root of the first crank arm and the root of the second crank arm are hinged to a bottom fork of the locomotive, the rotation axis of the first crank arm is parallel to or overlapped with the rotation axis of the second crank arm, and the rotation axis of the first crank arm is parallel to or overlapped with the rotation axis of the second crank arm; a power transmission assembly is arranged between the first crank arm and the second crank arm; the length of the adjusting assembly is adjustable, one end of the adjusting assembly is hinged to the end of the first crank arm, and the other end of the adjusting assembly is hinged to a frame assembly of the locomotive; according to the adjustable rear damping mechanism and the locomotive, the adjusting assembly and the damper assembly are connected through the eccentric assembly, the length of the adjusting assembly is adjustable, and the included angle between the bottom fork and the ground and the included angle between the frame assembly and the ground can be changed by changing the length of the adjusting assembly, so that the purposes of reducing the mass center and the seat height of the whole locomotive are achieved, and the adjustable rear damping mechanism is suitable for small riders to drive; and the riding experience is improved.

The utility model discloses an octopus foot imitating suction cup type soft gripper which comprises a soft gripper body and a sealing cover, the soft gripper body is poured on the sealing cover, and an upper driving cavity and a lower driving cavity which are communicated with each other are formed in the soft gripper body; the upper driving chamber is of a flat U-shaped structure, and the lower driving chamber is of an umbrella-shaped structure; a second vent hole is formed in the sealing cover, a first vent hole is formed in the soft gripper body, and the second vent hole communicates with the driving upper cavity through the first vent hole. According to the soft gripper body, the silica gel rubber material is poured on the sealing cover, so that the air tightness between the soft gripper body and the sealing cover is better guaranteed, the connection between the soft gripper body and the sealing cover is further reinforced, and an object can be more stably adsorbed and grabbed. Concave edges are arranged on the inner wall of the driving upper cavity, the wall thickness of the inner wall is evenly reduced to increase the deformation quantity, and the inner wall of the driving upper cavity can also be provided with a convex edge structure to increase the structural strength of the inner wall.

The invention belongs to the technical field of hydrogel, and provides photo-crosslinking hydrogel, a preparation method and application thereof, a radionuclide preparation and an application. The photo-crosslinking hydrogel with the adhesion comprises a crosslinking network structure formed by dopamine modified methacrylic acid gelatin and o-nitrobenzyl sulfide light trigger modified hyaluronic acid, has injectability, can be gelatinized after being triggered by light, is high in adhesion, and can be used for preparing the hydrogel while improving the mechanical property of the hydrogel. And the hydrogel can bear larger deformation and maintain better elasticity, so that physical-chemical synergistic enhanced adhesion is realized, and instant and firm adhesion with biological tissues can be realized. Furthermore, the photo-crosslinked hydrogel can be used as a carrier, for example, a radionuclide-loaded preparation, or a patch containing radionuclide is prepared, or the photo-crosslinked hydrogel can also be used as a hemostatic material.

The invention provides a preparation method of a palm oil-based ionic conductive elastomer, and belongs to the field of bio-based elastomers. Palm oil fatty acid acrylamide ethyl ester is used as a raw material, a novel green deep-eutectic solvent is used as a reactive solvent, and the palm oil fatty acid acrylamide ethyl ester and the novel green deep-eutectic solvent are blended to prepare the palm oil-based ionic conductive elastomer under the action of a photoinitiator through a photocuring 3D printing technology. On the basis of the system, a small amount of graphene oxide is added, and the graphene oxide enhanced palm oil-based ionic conductive elastomer is prepared by adopting a 3D printing technology. The palm oil-based ionic conductive elastomer prepared by the invention has very high tensile elongation at break, excellent toughness, good conductivity, high printing precision and wide application prospects.

The invention belongs to the technical field of anti-explosion camera shell machining, and particularly relates to a punching device for anti-explosion camera shell machining, which comprises a main body shell, two supporting vertical rods are fixedly connected to the inner bottom of the main body shell, a connecting frame is fixedly connected to the two supporting vertical rods, and a gear limiting shell is fixedly connected to the connecting frame. A gear servo motor is arranged on one side of the gear limiting shell. By arranging the shell attaching mechanism, the supporting stability of one face of the punching position is guaranteed, the shell attaching mechanism can adapt to different punching sizes, metal deformation caused by too large punching at the punching position is avoided to the maximum extent, and by arranging the shell filling mechanism, an anti-explosion camera shell can be filled; and by arranging the dustproof punching mechanism, dust removal operation can be carried out while punching is carried out, and therefore it is guaranteed that the punching position is clean and tidy.

The invention discloses a crack repairing material for repairing prefabricated building cracks, which belongs to the technical field of building materials and comprises the following steps: a) preparing raw materials; b) premixing; c) melting and mixing; d) adding the residual rubber powder; e) cooling and curing; and f) cutting and packaging. Polymer base materials (such as polyurethane, epoxy resin, acrylic resin and the like), functional auxiliaries (such as plasticizers, anti-aging agents and the like) and rubber powder (such as butadiene styrene rubber powder, natural rubber powder, synthetic rubber powder and the like) are meticulously selected, so that the prepared crack repairing material has excellent cohesiveness, weather resistance, elasticity and wear resistance. And nano-scale reinforcing materials (such as nano silicon dioxide, nano calcium carbonate, nano aluminum oxide and the like) are added, so that the mechanical property and durability of the joint filling material are further improved, the joint filling material can bear larger stress and deformation, and the service life is prolonged.

The utility model provides a heat insulation assembly, a battery and a power utilization device. The heat insulation assembly comprises a heat insulation main body, a bonding layer and a separation layer, the heat insulation body is provided with connecting faces and side wall faces, the connecting faces are arranged in pairs and distributed at intervals in the first direction, and the side wall faces are connected between the connecting faces arranged in pairs. The bonding layer is arranged on the connecting surface and is connected with the heat insulation main body; the separating layer covers the side, away from the heat insulation body, of the bonding layer. Wherein the heat insulation main body is provided with a notch, the notch is formed by sinking the side wall face into the heat insulation main body, and the orthographic projection of the separation layer in the first direction covers the notch. According to the heat insulation assembly provided by the embodiment of the invention, the separation layer can be stripped conveniently.

A power supply shell waterproof device comprises an upper shell, a lower shell, a power cord, and a waterproof component. The waterproof component is formed integrally by a sealing position and a shell sealing position connected end to end. A joint is provided on the power cord, and is sealed and sleeved in the sealing position through the joint. An upper waterproof rib is provided on the upper shell, and is sealed and pressed above the sealing position and the shell sealing position through the upper waterproof rib. A lower waterproof rib is provided on the lower shell, and is sealed and pressed below the sealing position and the shell sealing position through the lower waterproof rib. The present invention not only increases the contact position between the upper shell, the lower shell, the joint, and the waterproof component after assembly to form more fitting surfaces through the improvement of the above structure, but also avoids the gap formed by the upper shell, the lower shell, the joint, and the waterproof component after assembly, thereby completely preventing water vapor or moisture from entering the interior of the upper shell and the lower shell, greatly improving the waterproof performance of the power supply shell, not only achieving the maximum waterproof effect, but also correspondingly improving the use safety and service life of the power supply shell.

The foot pad comprises a vibration reduction body installed on a shell, the vibration reduction body comprises a first-stage vibration reduction face and a second-stage vibration reduction face, the shell is provided with a first contact face and a second contact face, the first-stage vibration reduction face abuts against the first contact face, and the second-stage vibration reduction face has an initial state and an abutting state abutting against the second contact face. In the initial state, a vibration reduction gap exists between the second-stage vibration reduction face and the second contact face. The water purifier comprises a shell and a foot pad arranged at the bottom of the shell. The foot pad comprises the vibration reduction body provided with the first-stage vibration reduction face and the second-stage vibration reduction face, when the shell is subjected to vibration and transmits vibration to the vibration reduction body, the vibration is transmitted to the vibration reduction body through the first contact face and the first-stage vibration reduction face which abut against each other, the vibration is subjected to kinetic energy reduction in the transmission process, preliminary vibration reduction is achieved, and the vibration reduction effect is improved. Along with continuous vibration, the first-stage vibration reduction face is stressed and compressed to deform, so that the second contact face abuts against the second-stage vibration reduction face, and vibration is greatly weakened.

This invention discloses a transformer lead fixing device with deformation self-compensation function, relating to the field of transformer technology. The invention includes a fixing plate fixed to the transformer housing, a lead fixing component, a deformation self-compensation mechanism, and a pin mechanism. The deformation self-compensation mechanism includes a clamping component fixed to the end of the lead and multiple stops disposed on the fixing plate. The clamping component has a multi-segmented bent elastic structure, and the stops have inclined abutment surfaces. The pin mechanism adjustably mounts the lead fixing component to the fixing plate. When the lead fixing component is driven to move closer to the transformer housing, the clamping component and the inclined abutment surfaces of the stops abut against each other, generating elastic deformation and achieving electrical contact between the clamping component and the terminal block. This invention, through the multi-segmented bent elastic structure of the clamping component and the unidirectional displacement adjustment of the pin mechanism, achieves adaptive compensation for deformation caused by thermal expansion and contraction and vibration, ensuring long-term stable electrical contact between the terminal block and the lead, and facilitating subsequent maintenance and adjustment.

This invention relates to the field of asynchronous motors for electric forklifts, and discloses an asynchronous motor for electric forklifts with noise reduction function. The motor includes an electric forklift and an electric forklift drive structure mounted on the bottom of the electric forklift. The electric forklift drive structure is used to propel the electric forklift. The electric forklift drive structure includes an asynchronous motor and a forklift drive connector fixed to the outside of the asynchronous motor. The asynchronous motor and the forklift drive connector are connected and fixed to the electric forklift through a drive structure fixing component and a drive structure connector. A drive component is fixedly connected to the output end of the asynchronous motor, and a drive component kit is fitted onto the outside of the drive component. The drive component kit is fixed to the end of the asynchronous motor and is used to adjust the radial angle of the drive component. Compared with the prior art, this application has advantages such as compensating for meshing misalignment during the asynchronous motor transmission process, and solves a series of problems such as noise caused by meshing misalignment.

The present invention relates to an elastic fixed connection block for a reamer, comprising a fixed connection block body, the fixed connection block body is a rubber strip, a semi-cylindrical convex block is formed on one side of the rubber strip, a plurality of cavity holes are formed on the upper surface of the semi-cylindrical convex block at evenly spaced intervals radially inward, a mounting groove is formed on the other side of the rubber strip opposite to the semi-cylindrical convex, a plurality of metal columns are evenly spaced and vertically embedded in the mounting groove, half of the metal column is embedded in the rubber strip, and a complete fixed connection block is formed with the rubber strip. The present invention has a reasonable structure, a firm connection, and is easy to disassemble and assemble.

The present invention relates to a method for preparing a thermoelectric thick film. The method includes: determining the brittle-to-ductile transition temperature of a thermoelectric material; rolling the blocky thermoelectric material within a temperature range above the brittle-to-ductile transition temperature and below a melting point; parameters of the rolling being as follows: the linear speed of rollers is 0.01 mm / s to 10 mm / s, preferably 0.1 mm / s to 5 mm / s, and the amount of pressing each time of the rollers is controlled at 0.0005 mm to 0.1 mm, preferably 0.001 mm to 0.05 mm; repeating rolling until a thermoelectric thick film with a specified thickness is obtained; and annealing the obtained thermoelectric thick film; the temperature of the annealing being 100°C to 800°C, preferably 300°C to 500°C, and the duration of the annealing being 10 to 500 hours, preferably 100 to 300 hours.

The present invention discloses a high-speed rotating disc sample material mechanical property testing device and test method, which utilizes the high-speed rotating disc sample to produce radial displacement of material particles under the action of the rotating inertial force. The magnitude of the radial displacement is related to the geometric shape and size of the turntable, the rotation speed and the turntable material. Based on this principle, a material mechanical property test method is formed and a test device is constructed. The device can accurately measure the entire deformation process of the disc sample from initial deformation to near tensile instability. Based on the experimental method, the present invention also provides a method for obtaining the material stress-strain relationship, by using a computer-simulated U R ‑nSimulation relationship curve and experimentally measured U * R ‑n test relationship curves, and modify the stress-strain relationship mathematical model and initial parameters according to the comparison results, so that U R ‑nThe simulated relationship curve is getting closer to U * R ‑n test relationship curve until a quasi-real stress-strain relationship is obtained.

The utility model discloses a lifting device of electric lifting furniture, which comprises a first tubular part, a second tubular part and a compensation element, a sliding surface is arranged on the outer side of the compensation element, a fixed bulge and a hot melting bulge are arranged on the inner side of the compensation element, a mounting hole is arranged on the second tubular part, and the sliding surface is arranged on the mounting hole. The fixing protrusion is inserted into the mounting hole so that the compensation element can be attached to the outer side face of the second tubular part in the axial direction of the second tubular part, and the hot melting protrusion is heated to generate plastic deformation to present the shape corresponding to the outer surface of the second tubular part. The gap between the first tubular part and the second tubular part is filled through the compensation element, compensation elements of different sizes do not need to be prepared, the assembly difficulty is greatly reduced, and the compensation element is attached to the outer side face of the second tubular part in the axial direction of the second tubular part, so that the assembly difficulty is greatly reduced. Therefore, the installation position of the compensation element is not affected by the shape of the second tubular part, and the application range is wider.

The utility model discloses a reinforcing device for concrete pouring of a thin-wall hollow pier, which comprises a concrete frame, an outer reinforcing component arranged outside the concrete frame, and an inner reinforcing component arranged inside the concrete frame; the outer reinforcing assembly comprises an outer right frame, an outer lower gear rack, an outer lower sliding groove, an outer pressure sensor, an outer left frame, an outer upper gear rack, an outer upper sliding groove, an outer adjusting frame, an outer sliding block, an outer gear shaft, an outer adjusting nut, an outer right fastening bolt and an outer left fastening bolt, and the outer right frame is in a C shape. By arranging the outer reinforcing assemblies and the inner reinforcing assemblies which are distributed on the inner side and the outer side of the hollow pier in a staggered mode, movement of the inner fixing frame and the outer fixing frame can be flexibly adjusted, the clamping force of the inner fixing frame and the outer fixing frame on the inner face and the outer face of a bridge is controlled, the deformation amount of concrete in the solidification process is controllable, the pier deformation amount is prevented from being too large, and the pier building quality is improved.

This invention belongs to the field of injection molding machine technology, specifically a screw injection molding machine with constant temperature heating of the barrel. The proposed solution includes: an injection unit, with a feed hopper detachably fixed to its side; a power unit, with its top fixed to the bottom of the injection unit; a barrel, with its bottom fixed to the top of the injection unit; a heating mechanism nested on the outer surface of the barrel; vertical rods, with one end fixed to the outer surface of the heating mechanism; a placement plate, fixed to the other end of the vertical rods; and a screw, with its bottom positioned at the top of the injection unit. This invention utilizes a cyclic high-temperature environment to cause significant deformation of the bimetallic strip. After bending, the active and passive layers of the bimetallic strip tightly adhere to the outer wall of the barrel. Heat is directly transferred to the barrel through the metal cap and bimetallic strip in a solid-state heat conduction manner, significantly improving heat transfer efficiency.

The utility model relates to a polyurea anti-seepage mask rockfill dam structure which comprises a rockfill dam body, a padding layer and a polyurea anti-seepage structure, the rockfill dam body is provided with an upstream water retaining dam face and a downstream dam face, a toe board is arranged at the bottom of the upstream water retaining dam face, and a wave wall is arranged on one side of the top of the upstream water retaining dam face; the padding layer comprises a transition material area, a padding material area and a protective layer which are sequentially laid on the upstream water retaining dam face, and the protective layer comprises one of rolling mortar, an extrusion side wall or a rollover fixed slope. The polyurea anti-seepage structure is laid on the surface of the protective layer, one side of the polyurea anti-seepage structure is connected with the toe board, the other side of the polyurea anti-seepage structure is connected with the wave wall, the polyurea anti-seepage structure comprises a polyurea anti-seepage layer and geotechnical cloth, and the geotechnical cloth serves as an isolation layer to be laid between the protective layer and the polyurea anti-seepage layer. According to the polyurea anti-seepage face rock-fill dam structure, the problem of seepage prevention of the polyurea application and the face rock-fill dam surface can be effectively solved.

The utility model relates to the technical field of semiconductor wafer storage, in particular to a wafer buffer structure and a cover body provided with the same. The wafer buffer structure comprises a first fixing plate, a second fixing plate and a buffer strip, first limiting parts and second limiting parts are arranged at intervals in the transverse direction of the buffer strip, and the first limiting part is further arranged between the two symmetrical second limiting parts, that is, the first limiting part is arranged between the buffer strip. The extrusion force between the first limiting part and the top end of the wafer is the maximum, so that a better limiting and fixing effect is achieved, the wafer is not prone to shaking, under the guiding effect of the limiting inclined face of the first limiting part, better positioning can be achieved, the wafer is not prone to deflection, the wafer can be conveniently guided into the second limiting parts on the two sides, and then the wafer can be conveniently clamped. And the wafer is stably kept in the first limiting part and the second limiting part, so that shaking or displacement caused by sudden vibration in the transportation process is avoided.

The present invention relates to a large-section and large-span sunshade louver installation structure, which is used to install the sunshade louver on an outdoor main structure or a steel structure keel. The installation structure includes a base, a plastic plate, a first profile, a second profile, a sealing plate, a screw and a keel; the first profile has two, which are respectively arranged at the two ends of the sharp angle in the plastic plate, one end of the first profile is connected to the plastic plate, and the other end is connected to the second profile through a screw, the base is inserted into the interior of the second profile and connected to the second profile, the keel is inserted into the base and fixedly connected to the base, the plastic plate has a bend in the middle part and is connected to the base at the bend, the shape and size of the sealing plate are the same as the cross section of the plastic plate, and the sealing plate is fixedly connected to the first profile and the second profile respectively. Compared with the prior art, the present invention has the advantages of convenient installation, high surface flatness, and overall more beautiful appearance.

The utility model discloses a magnesium alloy prevents displacement support structure, including the telescopic unit of the radial telescopic of support opening and the support connecting rod between connecting in telescopic unit, telescopic unit possesses several mutually far away telescopic point when radial telescopic, interval selects part telescopic point as support function component mounting point, and the connecting position of support connecting rod and telescopic unit is on the telescopic point of support function component mounting point adjacent connection, the utility model discloses a function component is set up in telescopic unit, and function component includes support support arm etc, and the deformation of the region where function component is located and other areas of telescopic unit is controlled by the support connecting rod on the both sides of function component, thereby making the region where function component is located can with the process of support opening automatically to the outer surface of support contour convex, realizes the function such as the anti -displacement support or development of support.

The invention discloses an SCM intelligent self-sensing joint hinge for a micro-robot and a method, and belongs to the technical field of micro-robots. The invention designs an SCM hinge embedded with a piezoresistive film sensor, the sensor is processed on a polyimide film in the middle of the SCM hinge, and the sensor is composed of a microstructure etching pattern, a metal electrode and a carbon nanotube film. According to the sensor, anisotropy is formed on the surface of the polyimide film by using the microstructure, so that the deformation quantity of the polyimide film when the polyimide film is bent along with a hinge is increased, meanwhile, the carbon nanotube film coated on the microstructure can generate cracks with higher strength, impedance change detected by the metal electrode is amplified, and the sensing precision of the bending angle is improved. The structure of the SCM hinge is not affected, the manufacturing process is simple, batch production is facilitated, and an efficient and accurate new scheme is provided for sensing the joint angle of the micro-robot.

The utility model provides an integrated button structure of printer and printer, including the shell body, the shell body is provided with the button position, the button position is partially hollow, the hollow part of the button position is provided with the pressing body and the elastic arm, one end of the elastic arm is connected with the pressing body, the other end of the elastic arm is connected with the button position, and the other end of the elastic arm is connected with the button position. One end of the elastic arm is connected with the pressing body, the other end of the elastic arm is connected with the inner wall of the hollow part of the key position, a gap is formed between the pressing body and the inner wall of the hollow part of the key position, the pressing body and the elastic arm are integrally formed, and the elastic arm and the shell body are integrally formed. By arranging the partially-hollowed-out key position on the shell body, when the shell is formed, the pressing body of the hollowed-out part is connected with the inner wall of the hollowed-out part through the elastic arm, the pressing body and the shell body are formed into a whole, the elastic arm provides reset force and connection limiting, the structure is more compact, excessive free shaking is avoided, additional assembly is not needed, and the cost is reduced. The production efficiency can be improved, independent mold opening for the key is not needed, and the production cost can be saved.

The invention discloses a seat with a weighing function, which comprises a seat assembly, a seat leg assembly, a weighing assembly and a circuit board, the seat leg assembly is arranged at the bottom of the seat leg assembly, the seat leg assembly is provided with a connecting end, the weighing assembly comprises an elastic piece and a strain gauge, the elastic piece comprises an inner ring, an outer ring and an elastic part, the outer ring is sleeved on the periphery of the inner ring, and the strain gauge is arranged on the outer ring. One end of the elastic part is connected with the outer circumferential surface of the inner ring, the other end of the elastic part is connected with the inner circumferential surface of the outer ring, the inner ring sleeves the connecting end and is connected with the connecting end, the outer ring is connected with the seat assembly, the strain gauge is arranged on the elastic part and is used for collecting deformation signals of the elastic part, and the circuit board is electrically connected with the strain gauge. The circuit board is used for converting signals collected by the strain gauges into weighing data, the structure is simple, and the weight of a user can be accurately measured.

The present invention discloses a scroll compressor with an axially flexible structure. An annular eccentric groove corresponding to the corresponding operating angle of the crankshaft is opened on a support seat, and matched with a spring ring sheet made of elastic material, a movable scroll plate is placed on the suspended part of the spring ring sheet. The deformation of the spring ring sheet will generate an axial elastic force on the movable scroll plate, and when the movable scroll plate is subjected to different gas axial forces at different operating angles, the length of the empty part of the spring ring sheet can be accurately adjusted by controlling the size of the annular eccentric groove of the support seat, so as to accurately adjust the elastic force of the spring ring sheet on the movable scroll plate, thereby accurately balancing the axial forces at different times to which the movable scroll plate is subjected within a rotation cycle, solving the problems of large gap and large friction between the movable scroll plate and the fixed scroll plate, and improving the efficiency of the compressor.