130results about How to "Avoid passing" patented technology

The invention discloses an unmanned express delivery vehicle control system and method based on operation state perception, and relates to the field of unmanned express delivery vehicle control systems. The method comprises the following steps: acquiring vehicle-mounted data in a driving period through a vehicle-mounted sensor array, performing time alignment and validity marking on the vehicle-mounted data to obtain a data quality label, constructing an evidence item set based on the data quality label, generating a sub-portrait label set according to the evidence item set, and displaying the sub-portrait label set in the driving period. And generating a portrait parameter set based on the sub-portrait label set through a preset priority rule and a persistence judgment strategy. Although the scheme has excellent performance in the aspects of improving system adaptability, safety, dynamic decision-making capability, reviewable performance and resource utilization efficiency, the problems of sensor faults, data loss, real-time data processing bottleneck, label interpretation errors and the like may influence the real-time response and decision-making precision of the system in a complex or extreme environment. Therefore, the overall performance and stability are reduced, especially under the condition of high load or low signal.

The utility model belongs to the field of kitchen and bathroom equipment, and provides a silica gel kitchen faucet which comprises a body, a support and a clamping sleeve. Wherein the main body forms a movable handheld spray head; the support is connected to the body, and a clamping part is formed at the end, away from the body, of the support and forms an inner cavity with a constant C-shaped section. The clamping sleeve is detachably clamped in the inner cavity and forms a clamping opening used for clamping the handheld spray head, flange edges are further formed at the two ends, in the axial direction of the clamping opening, of the clamping sleeve, and the flange edges are matched with the clamping part and used for forming the side wall of the inner cavity and the side wall, used for forming the clamping opening, of the clamping sleeve to define a buffering cavity. A clamping groove used for being clamped into the clamping opening is formed in the handheld spray head, and the flange edge is used for abutting against the side wall of the clamping groove.

The utility model discloses a hot melt adhesive spray gun which comprises a base, a plurality of adhesive outlet mechanisms, a connecting mechanism and a plurality of control mechanisms, and the base is provided with an adhesive inlet pipeline and an air inlet pipeline; the plurality of glue outlet mechanisms comprise nozzle openings, glue outlet pipelines and gas outlet pipelines, the gas inlet pipelines are communicated with the gas outlet pipelines through pipelines, and the glue outlet pipelines and the gas outlet pipelines are communicated with the nozzle openings; the connecting mechanism comprises a glue passing pipeline; the glue passing pipeline is communicated between the glue inlet pipeline and the glue outlet pipeline; the control mechanisms and the glue discharging mechanisms are arranged in a one-to-one correspondence mode, each control mechanism comprises a switch assembly, an electromagnetic valve and a heat insulation seat, the switch assemblies are arranged on the glue passing pipeline, the electromagnetic valves are connected with the switch assemblies through pipelines, and the heat insulation seats are connected between the switch assemblies and the electromagnetic valves and used for slowing down heat transfer between the switch assemblies and the electromagnetic valves. The utility model has the advantages of compact structure, small volume and strong structural reliability.

The utility model discloses a steel sheet pile supporting structure which is applied to the field of steel sheet piles and comprises a first pile plate, a second pile plate is arranged on the back face of the first pile plate, fixing frames are connected to the opposite sides of the first pile plate and the second pile plate in a bolted mode, and connecting blocks are arranged in the fixing frames. And two screw rods are arranged at the top of the connecting block in a penetrating mode, the two ends of each screw rod are welded to the interior of the fixing frame, the bottom ends of the surfaces of the screw rods are in threaded connection with adjusting nuts, and through grooves are formed in the first pile plate and the second pile plate correspondingly. The device can have the height adjusting function, can make up the distance difference generated when a steel sheet pile is driven in, facilitates installation and fixation of profile steel by personnel, is good in flexibility, can conveniently pull out a pile plate outwards, is simple and convenient to operate, can prevent sand or fluid from passing through, facilitates penetration of a hook for leveraging force, and is high in practicability.

The application relates to the field of crane technology and discloses a simple electric hoist bridge crane, which comprises an end beam, the outer surface of the upper end of the end beam is fixedly connected with a cross beam, the outer surface of the upper end of the cross beam is provided with a slide, the outer surface of the upper end of the cross beam is slidably connected with a support, the outer surface of the upper end of the support is fixedly connected with a hydraulic tank, the outer surfaces of the front end and the rear end of the hydraulic tank are fixedly connected with air pipes, the inside of the support is rotationally connected with a main shaft, the outer circular surface of the main shaft is slidably connected with a steel rope, and the lower end of the steel rope is fixedly connected with a hook. The simple electric hoist bridge crane has the advantages of avoiding the harm of steel rope fracture to the personal safety of surrounding workers, avoiding the chaotic winding of the steel rope in the electric hoist, and the like, and solves the problems of the harm of steel rope fracture to the personal safety of surrounding workers and the chaotic winding of the steel rope in the electric hoist.

The invention discloses a rice blast-resistant rice crossbreeding device and method, and relates to the technical field of rice crossbreeding, the rice blast-resistant rice crossbreeding device comprises a cylinder, a fixing ring is fixedly connected in the cylinder, a plurality of supporting rings are arranged in the fixing ring, and a through groove is formed in the inner wall of the top of each supporting ring; the outer sides of the supporting rings are fixedly connected with middle plates, the two ends of each middle plate are fixedly connected with the two adjacent supporting rings correspondingly, and supporting assemblies are arranged in the supporting rings. According to the rice blast-resistant rice crossbreeding device and method, air in the conical barrel can be continuously exchanged with the outside through holes among the supporting rings, sufficient oxygen is provided for seed germination and root growth, breeding of anaerobic microorganisms is effectively inhibited, the risk of seed rotting and root rotting is reduced, and meanwhile, the yield of the rice blast-resistant rice is increased. A stable distance is formed between the bottom of the conical barrel and the water liquid level through the supporting structure of the upper and lower double circular plates, and seeds can be concentrated in the conical barrel and stably make contact with water.

The utility model relates to the technical field of scrap recovery, in particular to a plastic plate production and processing scrap recovery mechanism which comprises a base, a connecting frame is installed on the base through a sliding mechanism, the connecting frame is connected with a transverse vibration mechanism, and an installation frame is transversely arranged above the connecting frame. A limiting rod movably penetrating through the mounting frame is vertically and fixedly mounted at the corner of the upper end face of the connecting frame, a butt-joint groove is formed in the inner side wall of the connecting frame, a screening frame is slidably matched with the inner wall of the connecting frame, and a butt-joint strip slidably matched with the butt-joint groove is transversely and fixedly mounted on the outer wall of the screening frame; a driving shaft rotationally connected with the connecting frame is transversely arranged below the screening frame, the outer wall of the driving shaft is fixedly sleeved with a cam in sliding fit with the mounting frame, the driving shaft is connected with a power mechanism, and a collecting tank movably embedded in the upper end face of the base is arranged below the screening frame. According to the utility model, the screening frame moves more complexly, so that the passing of chips is accelerated, and the screening and recycling efficiency is improved.

The utility model discloses a kind of heat insulation type outer wall bricks, relate to outer wall brick technical field, including outer wall brick ontology, the side surface of outer wall brick ontology is inserted with decorative plate assembly, the outer wall of outer wall brick ontology One side is equipped with first plug block, the outer wall of outer wall brick ontology Another side is equipped with first slot, the inside of outer wall brick ontology is equipped with hollow layer, first cavity, second cavity and third cavity, the inside of second cavity is equipped with heat insulation layer.The heat insulation type outer wall brick, through decorative plate assembly adopts detachable design, it is convenient to maintain or replace decorative plate ontology, decorative plate ontology can also be replaced according to need appearance, and the inside of outer wall brick ontology is provided with hollow layer, first cavity, second cavity and third cavity, can effectively isolate the transmission of heat, prevent solar radiation heat through outer wall brick ontology transmission to indoor in summer, cause indoor temperature to rise, affect the quality of living and working environment.

The utility model relates to cable detection technical field, and disclose a kind of cable insulation test tool, including table board, the top of table board is equipped with stand, the top of stand is equipped with avoidance position, connection assembly is equipped in avoidance position, connection assembly includes baltic pine board two adhered in the bottom of avoidance position, the top of baltic pine board two is equipped with baltic pine board one, the top of table board is placed with the plastic water basin of conducting water, and the top of plastic water basin is equipped with the supporting plate between two stand, the top of supporting plate is equipped with baffle, wherein rear baffle is equipped with leakage schematic component, leakage schematic component includes red indicator lamp two. The wire skin of insulation test cable is wrapped by conducting water in plastic water basin, so that the damaged part can be conducted to the conducting water of plastic water basin, baltic pine board one, baltic pine board two can compress the copper wire exposed at the both ends of insulation test cable, and it is convenient to carry out power-on test for insulation test cable.

According to the technical scheme, the novel pre-tightening mechanism is characterized in that the novel pre-tightening mechanism comprises a fastening table, a fixing frame is fixedly installed on the top face of the fastening table, a power cylinder is fixedly installed on the top face of the fastening table, a cylinder shaft is arranged in the power cylinder, and limiting shells are arranged on one side of the power cylinder and the top face of the fixing frame; the pre-pressing assembly is arranged on the inner circle wall face of the limiting shell and used for pre-pressing a workpiece, by arranging the sliding sleeve, when the power cylinder is started, if the plug bolt generates the circumferential rotation tendency due to the factors such as uneven spring compression and mechanical assembly errors, the thrust bearing immediately plays a role, a shaft ring of the thrust bearing and the plug bolt are fixedly arranged in a sleeving mode, and therefore the thrust bearing is prevented from being damaged. When the thrust bearing tends to rotate along with the plug bolt, the rolling body of the thrust bearing rolls between the shaft ring and the seat ring, the shaft ring is allowed to rotate to a certain degree relative to the seat ring, circumferential rotation stress is converted into rolling friction in the bearing, and it is guaranteed that the whole pre-pressing process is stable and orderly.

The utility model belongs to the technical field of electronic mechanical brakes, and particularly relates to a brake which comprises a brake pad, a brake disc, an abutting piece and a moving piece which are arranged in the same linear direction, the side, away from the brake pad, of the abutting piece is provided with a first arc-shaped face, and the moving piece is provided with a second arc-shaped face attached to the first arc-shaped face. The brake further comprises a connecting piece made of flexible materials, the connecting piece is arranged between the abutting piece and the moving piece, and the connecting piece can deform when the abutting piece is subjected to unbalance loading applied by the self-braking piece so that the abutting piece can deflect relative to the moving piece. According to the technical scheme, when the abutting part is subjected to the unbalance load, the connecting part can deform, so that the first arc-shaped surface and the second arc-shaped surface can deflect to unload the unbalance load, the unbalance load can be prevented from being transmitted to the moving part and the driving part, and the service life of the moving part and the service life of the driving part are prolonged.

The present invention relates to a refrigerator and a door assembly. The refrigerator includes a cabinet including an outer case forming an outer side surface of the cabinet and an inner case provided inside the outer case and internally forming a storage space; a machine chamber frame provided at a lower portion of the cabinet and internally having a machine chamber; a door assembly rotatably coupled to the cabinet and selectively shielding the storage space; a cover plate provided between the inner case and the machine chamber frame to cover the machine chamber and having a provided space recessed toward a direction of the storage space; an operation module provided at an upper portion of the door assembly and including an input device receiving an input of a signal for operating the door assembly; and a door opening device provided in the provided space, at least a portion of the door opening device being protruded toward a rear surface direction of the door assembly according to the input signal and pushing the door assembly toward a direction away from the cabinet.

The application relates to the field of graphene oxide drying technology and discloses an electric auxiliary heating vacuum freeze drying graphene oxide equipment, which comprises a vacuum drying box, a vacuum pump box and a compressor box, the vacuum pump box and the compressor box are respectively provided with vacuumizing assemblies and refrigeration compressor groups, the vacuum drying box comprises a drying bin and a cold trap bin, the drying bin and the cold trap bin are communicated and air circulation is realized by installing a fan on adjacent partition plates, the inside of the drying bin further comprises a heating assembly and a graphene placing rack. The electric auxiliary heating vacuum drying can greatly shorten the drying time, the drying time can be shortened by 300%-400%, the electric auxiliary heating system is independent of the vacuum drying main system, the electric auxiliary heating system is flexible and convenient, the electric auxiliary heating temperature can be adjusted according to the drying condition, a heat insulation layer is arranged to prevent heat from being transferred to the vacuumizing assemblies and the refrigeration compressor groups, so that the system is prevented from working under over-temperature, and the graphene placing tray is more convenient to take through the setting of a discharging assembly.

The utility model relates to the technical field of food production, in particular to bulking equipment convenient for automatic blanking, which comprises a machine body, a feeding shell is mounted at the upper end of the machine body, a main alternating current motor is mounted on one side of the feeding shell, a material pushing rod is connected to one side of the main alternating current motor, a hopper is mounted at the upper end of the feeding shell, and a discharging opening is formed in the lower end of the hopper. A main servo motor is installed on one side of the hopper, a partition plate is connected to one side of the main servo motor, an auxiliary alternating current motor is installed on one side of the machine body, a screw rod is connected to one side of the auxiliary alternating current motor, a cutter is arranged on one side of the heating shell, and an auxiliary servo motor is connected to one side of the cutter. A supporting base is installed at the bottom of the machine body, a damping spring is installed at the bottom of the supporting base, a buffering cushion is installed at the bottom of the damping spring, the number of fed materials is controlled by additionally arranging a material pushing rod and a partition plate, kinetic energy transmission is prevented by additionally arranging the damping spring and the buffering cushion, and meanwhile shock absorption is achieved.

The invention relates to the technical field of pressure controllers, in particular to a pressure controller with a terminal equipped with a buffer structure, which comprises a main shell, a pressure leading port, a pressure sensing regulation and control element, a wiring bin, a touch control module and a corrugated rod, the wiring bin extends to form a neck tube for anchoring a lead, and an inner hole of the neck tube is arranged to be a variable cross-section zigzag hole channel; a self-locking thread is arranged on the peripheral surface of the neck tube; the touch module comprises a signal terminal and an insulating base, the insulating base extends out of a flexible cantilever beam abutting against the inner wall of the wiring bin, and the thickness of the flexible cantilever beam is gradually reduced in the extending direction; the corrugated rod is connected between the pressure sensing regulation and control element and the touch control module. Dragging of an external lead is blocked through the wiring bin with the self-locking threads and the labyrinth channel, vibration is absorbed through the flexible cantilever beam touch control module, and flexible transmission is carried out in combination with the corrugated rod; the purposes of intercepting mechanical interference, maintaining terminal stability and ensuring accurate signal output of equipment under complex working conditions are achieved.

This paper discloses an assembly module and a display device. The assembly module includes: an outer frame, comprising an outer side plate and an outer support plate, the first support side of the outer support plate supporting a cover plate; a back plate, comprising a rear plate and a connecting plate, the rear plate being located on the non-light-emitting side of the cover plate and spaced apart from the cover plate to form a receiving cavity between the rear plate and the cover plate; and several transition components, each transition component comprising a transition plate and at least one elastic buffer. The transition plate includes a first transition portion and a second transition portion, the first transition portion being for connection with the connecting plate, the second transition portion being for connection with the outer support plate and located on the second support side of the outer support plate, and the elastic buffer being elastically supported between the second transition portion and the second support side and / or between the first transition portion and the connecting plate. The deformation of the elastic buffer offsets manufacturing and assembly errors and absorbs compressive stress, avoiding yellow spots and / or light leakage defects.

The utility model relates to the technical field of fabricated building, disclose a kind of heat preservation and thermal insulation composite laminated board structure, including main plate and horizontal chamber, the inside of the bottom end of main plate is provided with horizontal chamber, and the both sides between the inside center of horizontal chamber are fixed with interlayer, heat preservation pad is inserted in the bottom between the interlayer and horizontal chamber, sound-absorbing pad is inserted in the top between the interlayer and horizontal chamber.The heat preservation and thermal insulation composite laminated board structure is provided with horizontal chamber in the inside of the bottom end of main plate, sound-absorbing pad is inserted in the upper reserved space of horizontal chamber, heat preservation pad is inserted in the lower reserved space of horizontal chamber, the interlayer of both cooperation center, it can maintain the stability of bottom structure, prevent the deformation of inserted material, also can avoid laminated board to other area transmission noise and heat, by heavy barrier, can avoid noise leakage, solve the problem that heat insulation and sound insulation effect is poor.

The utility model discloses an enemator which comprises an enema barrel, a piston and a push rod. The supports are located on the two sides of the enema barrel, bent parts are arranged at the ends, close to the bottom of the enema barrel, of the supports, and the bent parts extend to the bottom of the enema barrel and abut against the bottom of the enema barrel; the driving device is installed on the support, the driving device abuts against the top of the support, the driving device comprises a driving assembly and a transmission assembly, and the driving assembly drives the push rod to reciprocate up and down through the transmission assembly. The bracket is provided with the bent part, and the bent part extends to the bottom of the enema barrel and is propped against the bottom of the enema barrel, so that the enema barrel is supported, the upward counter-acting force of the push rod on the top of the bracket can be counteracted, and the downward pressure generated by the push rod cannot be transmitted to the base or other supporting objects; at the moment, even if the base is made of a plastic material, the situation that the base or other supporting objects are deformed or damaged due to excessive force during clysis can be prevented.

The utility model relates to the field of cast-in-place pile construction technology discloses a reinforcing cage lifting point reinforcing structure and reinforcing cage. The reinforcing cage lifting point reinforcing structure is arranged on the reinforcing cage body, the reinforcing cage body includes longitudinal main reinforcement, reinforcing hoop and hoop reinforcement, the lifting point reinforcing node includes first reinforcing steel and second reinforcing steel, the first reinforcing steel is along the axial arrangement and is welded fixed with longitudinal main reinforcement and reinforcing hoop, the second reinforcing steel is across arranged on both sides of reinforcing hoop along the axial and is welded fixed with first reinforcing steel and reinforcing hoop respectively, the lifting point reinforcing support is arranged in the inside of reinforcing hoop and includes reinforcing steel. The reinforcing cage includes a plurality of segments, the segment upper end is provided with reinforcing cage lifting point reinforcing structure. The application through the synergies of lifting point reinforcing node and lifting point reinforcing support, the structural strength and rigidity of reinforcing cage lifting point are improved significantly, effectively prevent reinforcing cage from separating, deforming in the hoisting process, be applicable to the hoisting construction of all kinds of reinforcing cage.

This utility model discloses a photovoltaic-thermal module for an evaporator, including a photovoltaic module, a heat absorber plate, a heat absorption channel, and a frame. A junction box is provided inside the photovoltaic module. The heat absorber plate is fixedly connected to the back of the photovoltaic module, and the heat absorption channel is fixedly connected to the heat absorber plate. Refrigerant circulates within the heat absorption channel. The heat absorption channel includes a manifold and branch pipes. The manifold has a closed design at both ends and is connected to a connecting pipe. The branch pipes are internally threaded thin tubes with a diameter of 3-10 mm. Both ends of the branch pipes are connected to the manifold, and one or more semi-circular bends are provided along the length of the same branch pipe. Using this photovoltaic-thermal module significantly reduces the risk of photovoltaic panel deformation and microcracks in the solar cells, simplifies the manufacturing process, reduces costs, and optimizes heat exchange efficiency.

The application discloses a heat exchanger and a gas water heater, and relates to the technical field of water heaters. The heat exchanger comprises a shell, a heat exchange component and at least two cooling flow channels. The shell is internally formed with a heat exchange chamber. The heat exchange component is installed in the heat exchange chamber, and the heat exchange component is provided with a heat exchange flow channel. The at least two cooling flow channels are communicated with the heat exchange flow channel, and are arranged in parallel on the side wall of the heat exchange chamber along the direction of flue gas flow. The technical scheme of the application can effectively cool the wall surface of the heat exchange chamber, prevent heat from being transferred outward, improve the heat exchange efficiency, reduce water flow resistance and improve flow.

This utility model discloses an amorphous alloy three-dimensional wound core transformer, including an oil tank and a transformer body. A first sound-absorbing component is fixed on the inner wall of the oil tank. The transformer body includes a vibration damping mechanism, a clamping frame mechanism fixed on top of the vibration damping mechanism, a second sound-absorbing component fixed on the outer surface of the clamping frame mechanism, an amorphous alloy three-dimensional wound core mounted on the clamping frame mechanism via a pad mechanism, and coil windings wound on the amorphous alloy three-dimensional wound core. This utility model uses a structure in which the clamping frame mechanism and the pad mechanism cooperate to fix the position of the amorphous alloy three-dimensional wound core and the coil windings. The fixing method is stable, and the amorphous alloy three-dimensional wound core is suspended as a whole, avoiding direct transmission of vibration energy to the oil tank, which can reduce noise. Furthermore, this utility model also includes a vibration damping mechanism, a first sound-absorbing component, and a second sound-absorbing component, which can further reduce noise. This utility model is suitable for use as basic equipment for power transmission and distribution.

The utility model relates to the technical field of butterfly valves, in particular to a high-temperature-resistant butterfly valve which comprises a butterfly valve body, a connecting pin installed at the top end of the butterfly valve body, an electric actuator installed on the outer side of the connecting pin and an installation base installed on the inner side of the bottom end of the electric actuator, and a cooling ring is arranged on the outer side of the connecting pin. By means of the cooling ring, the sealing ring, the heat conduction plate, the through hole, the heat dissipation plate, the first pagoda connector, the through groove, the sliding groove and the heat conduction assembly, when a high-temperature medium passes through the butterfly valve body, a condensation medium penetrates through the through hole in the heat conduction plate so as to take away heat in the cooling ring, and when an electric actuator is started, a mounting base drives a connecting pin to rotate; at the moment, the heat conduction block rotates along with the connecting pin, the ball rolls on the sliding inner side, heat in the butterfly valve body can be effectively prevented from being transmitted to the electric actuator through the design, the original structure of the device is not changed, and normal operation of the device is not affected.

The application discloses a mass spectrum combined characterization qualitative and quantitative method and system of unified hidden state, relates to the cross field of analytical chemistry, bioinformatics and artificial intelligence data processing, the method obtains original data and instrument / method metadata containing LC-MS / MS, encodes to form a condition vector and is used for conditional modulation, constructs wave encoder and particle encoder, respectively Tokenizes continuous chromatographic signal and discrete fragment peak set into wave encoder and particle encoder to obtain wave representation and particle representation, realizes cross-modal interaction through wave-particle fusion module, forms unified hidden state or object-level unified hidden state set, adopts two-stage training of self-supervised pre-training and task fine-tuning, and applies conditional quantitative operator and qualitative operator to unified hidden state or object-level unified hidden state set in the inference stage, and parallelly outputs quantitative results and identification score / probability, and is suitable for end-to-end qualitative and quantitative analysis in DDA / DIA scene.

The utility model provides a heating assembly and an aerosol generating device, and the heating assembly comprises a heating substrate which is a zirconia cast sheet; the heating layer is arranged on the heating base body, the heating layer and the heating base body are jointly wound to form a hollow barrel, the aerosol generating product is suitable for being inserted into the barrel-shaped structure, and the heating layer is arranged on the radially inward surface of the heating base body; an insulating layer is arranged on the side, away from the heating base body, of the heating layer. The heating base body of the heating assembly is the zirconium oxide cast sheet, and the thermal conductivity of the zirconium oxide cast sheet is low, so that when the heating assembly is heated in a segmented mode, heat transfer between different segments is small, the heating assembly can control heating in a segmented mode conveniently, in addition, heat can be prevented from being transferred to a plugging segment of an aerosol generating product, and the sealing performance of the aerosol generating product is improved. And the blocking section is prevented from being baked, so that a user can obtain good taste.

The gas water heater with the noise reduction structure comprises a bottom shell and a face cover, the bottom shell comprises a bottom plate and a bearing plate connected to the bottom edge of the bottom plate, the face cover is provided with a containing cavity with a rear opening and a lower opening, the face cover is arranged on the bottom shell in a covering mode, and the bearing plate is connected to the bottom edge of the bottom plate. The bottom plate and the bearing plate of the bottom shell respectively cover the rear opening and the lower opening of the surface cover, a noise reduction cover is arranged between the bottom shell and the surface cover, the noise reduction cover is provided with the rear opening and the lower opening, and the shape of the noise reduction cover is matched with that of the surface cover. A noise reduction cover is arranged in the containing cavity so that a gap can be formed between the outer side face of the noise reduction cover and the inner side face of the face cover, a noise reduction cavity is formed in the gap, and the noise reduction cover divides the containing cavity into the noise reduction cavity and a containing cavity.

The utility model discloses an electric rice cooker, including the pot body with inner pot and the pot cover with metal inner cover, the inner pot is equipped with the first sealing surface, the metal inner cover is equipped with the second sealing surface, the first sealing surface and the second sealing surface are pasted and form the rigid sealing area of annular, still include the fan and the air duct with outside communication, the air duct is along the rigid sealing area circumferential arrangement, the fan is used to send the wind of outside into the air duct, to make the wind flow through the air duct and cool the rigid sealing area. The utility model discloses an electric rice cooker, the steam produced when cooking meets the rigid sealing area of low temperature and will become condensed water, and the condensed water will fill the gap between the metal inner cover and the inner pot and form water seal, which can effectively improve the sealing effect between the metal inner cover and the inner pot, thereby effectively avoiding air leakage.

The utility model provides a scalp tensioning device and a hair transplantation seat comprising the scalp tensioning device, the scalp tensioning device is arranged on the hair transplantation seat, the scalp tensioning device comprises a contact part, a driving part and a driving part, the contact part is used for being in contact with the scalp, and the driving part is used for driving the driving part to rotate. The driving part is arranged on the hair transplanting seat, the driving part is electrically connected with a control module of the hair transplanting seat, and the driving part is used for driving the contact part to tension or loosen a hair follicle extraction area of the scalp; the adjusting mechanism is arranged on the hair transplanting seat, and the adjusting mechanism is used for driving the driving part to rotate, so that the position of the contact part corresponds to the position of the scalp. By arranging the contact part and driving the contact part to move through the driving part to replace the mode that the scalp is tensioned through a silica gel rope, tensioning of the scalp of a user is achieved, the tensioning degree is guaranteed, and meanwhile the automation degree is higher compared with the mode that the silica gel rope is tensioned through hands.

The utility model discloses a cable protection tube with a plugging structure, which relates to the field of cable protection tubes, and comprises a tube body and plugging bodies, the plugging bodies are positioned at two ends of the tube body, guide columns are arranged at the center of the inner wall of each plugging body, a sleeve core is arranged in the tube body, and the sleeve core is sleeved with the plugging bodies. A plurality of cable cavities are formed between the outer wall of the sleeve core and the inner wall of the pipe body, a guide column hole matched with the guide column is further formed in the center of the sleeve core, and clamping mechanisms are arranged at the positions, located at the two ends of the pipe body, in the cable cavities. According to the utility model, the cable cavity ensures that the cable is in a separated installation state when the cable is located in the pipe body, and when the plugging body is installed, the guide column is inserted into the guide column hole, and the sliding clamping sleeve is driven to move through cooperation with the insertion rod, so that the two ends of the cable are limited and fixed; in the process, part of the cable is in a suspended state, and the heat dissipation effect in the pipe body is effectively improved.