191results about How to "Avoid nudity" patented technology

The utility model provides a structure for preventing corrosion cracking of a tail lamp welding rib, and belongs to the technical field of vehicle lamps. The structure for preventing the tail lamp welding rib from being corroded and cracked comprises a vehicle body metal plate, a mask, soft rubber, a lamp shell and a reflecting mirror, the vehicle body metal plate and the mask are both installed on the lamp shell, the reflecting mirror is arranged in the lamp shell, and the soft rubber is arranged between the mask and the lamp shell. According to the structure for preventing the welding rib of the tail lamp from corrosion cracking, the soft rubber and the lamp shell are subjected to double-color injection molding to locally interfere and seal with the mask, the soft rubber seals and shields the welding rib, the welding rib is prevented from being exposed in the external environment, the soft rubber is additionally arranged on the lamp shell to hide the welding rib, the welding rib is effectively prevented from being exposed in the external environment, and the service life of the welding rib is prolonged. And the strength of the welding rib cannot be weakened along with the increase of time, that is, the welding rib is effectively prevented from cracking, and the service life of the automobile lamp is prolonged.

The invention discloses a semi-solid-state complex no-tillage dry direct seeding method for crop seeds. The no-tillage dry direct seeding method comprises the following steps: S1, keeping a water layer of 1cm-5cm in a ditch, and paving straws obtained by harvesting preceding crops on a ditch surface; S2, applying a base fertilizer on the ditch surface paved with the straws and cleaning the ditch; S3, seeding the crop seeds on the ditch surface, and mixing the crop seeds with semi-solid-state biomass materials, a compound fertilizer and a biopesticide before seeding before seeding seeds, wherein the mixing mass ratio is that the crop seeds to the semi-solid-state biomass materials to the biopesticide is (1-10) to (70-800) to (1-3), and the moisture content of the semi-solid-state biomass materials is 40%-80%; and S4, after seeding the seeds, keeping the ditch surface at a dry state for 3-7 days. According to the semi-solid-state complex no-tillage dry direct seeding method, tillage and combustion of winter crop straws are not carried out, a whole land of field immersing water is not used for irrigation and the water immerses after the seeding, and the biological benefits are obvious; the working energy consumption is reduced, stubbles are not killed by pesticides, haze is reduced and the irrigation water is reduced.

The utility model provides a protector for an animal wound part, which comprises a framework and a tough thin plate, the tough thin plate can be bent into a groove body with an approximately arc-shaped cross section so as to wrap the wound part of an animal tail or four limbs, and a gap exists between the framework and the wound part under the condition that the wound part is wrapped by the framework. The wounded part can be in contact with external air; and the fixing part is arranged on the outer side of the framework so as to fix the framework on the wounded part. On one hand, external air circularly flows through the wounded part of the animal, and on the other hand, the wounded part of the animal is prevented from being exposed and licked by the animal, so that the wounded part is prevented from cracking again, bleeding and the like and worsening the illness state.

The invention relates to the technical field of high-frequency preheating, and discloses a high-frequency preheating device for coating a multi-strand stranded enameled wire core, which comprises a main machine body, a preheating mechanism is arranged outside the main machine body, a mounting chamber is formed in the back surface of the main machine body, and a heat dissipation mechanism and an air guide mechanism are arranged inside the mounting chamber; the heat dissipation mechanism is used for conducting heat dissipation on the interior of the mounting chamber, the air guide mechanism is used for controlling the air outflow direction in the mounting chamber and controlling the air outlet to be switched between external air and the interior of the preheating mechanism, and a temperature sensor is fixedly connected to the interior of the mounting chamber; the preheating mechanism is used for preheating the metal wire core; by controlling the adjusting plate, the adjusting plate can conveniently and selectively seal the inner air cavity or the outer air cavity to adjust the air in the mounting chamber to flow out through the air outlet or flow out through the wire outlet through the outer thermal insulation box, so that different effects are achieved, the use flexibility of the device is effectively improved, and the use diversity of the device is effectively guaranteed.

The utility model relates to the technical field of beverage cups, in particular to a heat-resistant plastic beverage cup. The beverage cup comprises a beverage cup body, the upper end of the beverage cup body is in threaded connection with a cup cover, the surface of the cup cover is communicated and connected with a suction nozzle, the inner surface of the suction nozzle is in sliding connection with a suction pipe, the lower surface of the suction pipe is communicated and connected with a hose, one end of the hose is in sliding connection with the bottom of an inner cavity of the beverage cup body, and the other end of the hose is in sliding connection with the bottom of the inner cavity of the beverage cup body. A heat insulation coating is arranged on the inner surface of the beverage cup body, a U-shaped frame is fixedly connected to the surface of the cup cover, a rotating rod is rotationally connected into the U-shaped frame, a cap is fixedly connected to the arc face of the rotating rod, the cap is slidably connected with a suction nozzle, and a fixing plate is fixedly connected to the surface of the cap. The problems that in the prior art, most beverage cups are provided with suction pipes in a matched mode, dust and other impurities in the air can be attached to the suction pipes in the long-term use process of the suction pipes, the suction pipes are polluted, and therefore normal use of the beverage cups is affected are solved.

The utility model provides a fertilizing device with a soil covering function for corn planting. The fertilizing device with the soil covering function for corn planting comprises a mounting frame, two mounting shafts are arranged on the mounting frame, and walking wheels and auxiliary wheels are arranged on the two mounting shafts respectively; the fertilizer hopper is used for containing a fertilizer for corn fertilization and is fixedly mounted on the mounting frame; the discharging mechanism is used for discharging fertilizer, the discharging mechanism is arranged in the fertilizer hopper, a corrugated pipe is arranged at the bottom of the fertilizer hopper, and a fertilizing plough share is arranged below the corrugated pipe; the two soil covering mechanisms are arranged on the mounting frame, and the soil covering mechanisms are used for covering soil on the fertilization furrows. According to the fertilizing device with the soil covering function for corn planting, provided by the utility model, soil covering and landfill can be carried out on fertilizing ditches after corn fertilization, so that the fertilizer is prevented from being exposed outside, a farmer does not need to independently carry out soil covering treatment, and the overall fertilizing efficiency is improved.

The utility model relates to the field of photovoltaic solder strip production process equipment, in particular to a special annealing device for a photovoltaic solder strip based on an induction annealing principle and equipped with nitrogen protection. The problems that a short-circuit annealing mode is usually adopted in annealing of the copper wire, but the mode is prone to causing unstable yield strength of the copper wire and rising of the wire breakage rate when the superfine welding strip is processed, and the production efficiency is seriously affected are solved. The device comprises a machine table and further comprises an induction heating assembly, and when a copper wire passes through the induction heating assembly, the induction heating assembly heats the copper wire; the nitrogen protection assembly is provided with a closed annealing cavity, the annealing cavity is the annealing position of the copper wire, and the nitrogen protection assembly injects nitrogen into the annealing cavity in the annealing process of the copper wire; according to the utility model, the advanced temperature sensor and the PID controller are adopted, so that the real-time monitoring and accurate control of the heating temperature of the copper wire are realized.

The invention discloses a territorial space planning environment influence monitoring method, and relates to the technical field of soil sampling monitoring, the territorial space planning environment influence monitoring method comprises a supporting plate, the top of the supporting plate is fixedly connected with a support, and the center of the inner wall of the top of the support is provided with a fluted disc. According to the territorial space planning environment influence monitoring method, during sampling, the sampling box can be driven to descend through the electric push rod, soil is collected and sampled, two closing plates can be driven to be combined in the ascending process and when the sampling box moves to the storage box through arrangement of a torsional spring, the sampling box is closed, and the sampling effect is improved. According to the soil sampling device, the situation that the sampling amount is insufficient due to the fact that sampled soil is exposed to the outside and is prone to being blown off is avoided, meanwhile, a scraping plate is matched with a scraping strip, a sealing plate is automatically opened, the inner wall of a sampling box and the surface of the sealing plate are scraped, it is avoided that part of soil is left in the sampling device, and the subsequent detection and analysis precision is guaranteed.

The invention relates to the technical field of nozzles, and discloses a combined nozzle of a high-pressure water mist machine, which mainly comprises a fixed column, a movable mechanism and an auxiliary mechanism, a fixed cavity is formed in the center of the upper half part of the fixed column, and a sealing cavity is formed in the center of the lower half part of a nozzle shell; the fixing column is movably connected with the upper half portion of the movable mechanism through the fixing cavity, the spray head shell is movably connected with the lower half portion of the movable mechanism through the sealing cavity, and the movable mechanism is fixedly connected with the auxiliary mechanism. When the combined spray head is not used, a movable rod moves upwards under the action of a vertical spring and pushes an auxiliary mechanism to synchronously move upwards, so that an auxiliary circular plate is attached to a spray head shell, an upper auxiliary plate seals an outlet of a nozzle, the nozzle in the spray head shell is effectively prevented from being exposed outside for a long time, and the probability that dust enters the nozzle to cause blockage is reduced; and the fire extinguishing efficiency is improved.

The application provides a display panel, a preparation method of the display panel and a display device. The display panel comprises: a conductive trace arranged on one side of a substrate, the conductive trace being at least partially located in a non-display area; a first planarization layer arranged on a side of the conductive trace away from the substrate, the first planarization layer being located in a second planarization part of the non-display area, and a normal projection of the conductive trace on the substrate being located in a normal projection of the second planarization part on the substrate; and a touch layer arranged on a side of the first pixel definition part away from the substrate; wherein a ratio of a thickness of the second planarization part to a thickness of the first planarization part is greater than or equal to 90% and less than or equal to 100%. The display panel provided by the application retains a second planarization part with sufficient thickness in multiple etching processes, the second planarization part covers the conductive trace in the non-display area, avoids exposure or over-etching damage of the conductive trace in the non-display area, and reduces display abnormal phenomena caused by disconnection of the conductive trace.

The utility model discloses a telescopic signal transmission connecting line, which comprises a base, and a telescopic box is fixedly arranged at the upper end of the base. The rotating rod is arranged in the telescopic box, the rotating rod is rotationally connected with the inner wall of the telescopic box, rotating discs are arranged at the upper end and the lower end of the exterior of the rotating rod, the rotating discs are fixedly connected with the rotating rod, a winding drum is arranged at the position, located between the rotating discs, of the exterior of the rotating rod, and the winding drum is fixedly connected with the rotating rod; the vortex spring is arranged at the end, close to the side wall of the telescopic box, of the rotating disc, one end of the vortex spring is fixedly connected with the rotating rod, the other end of the vortex spring is fixedly connected with the rotating disc, and the structure solves the problems that a signal transmission connecting wire is exposed and is prone to aging, and the signal transmission connecting wire is not convenient to stretch out and draw back.

The utility model discloses a whisk broom with a scraper knife, and relates to the technical field of whisk brooms, the whisk broom comprises a whisk broom head, a holding rod and a knob are arranged on the whisk broom head, the holding rod is fixedly connected with the whisk broom head, the knob is rotatably connected with the holding rod, an adjusting unit is arranged on the whisk broom head, and the adjusting unit is arranged on the whisk broom head. The adjusting unit comprises a rotating groove, a rotating rod and a storage groove, the rotating groove is formed in the holding rod, the rotating rod is rotationally connected with the rotating groove, the connecting plate drives the knife handle and the scraper knife to move, and when the two clamping blocks abut against the inner wall of the storage groove, the two clamping blocks are extruded into the through opening, so that the knife handle and the scraper knife can stretch out of the storage groove conveniently; dirt adhering to the ground or a wall can be cleaned through the scraper knife, the broom head can be conveniently matched for cleaning, use is convenient, the cleaning effect can be improved, after use is completed, the scraper knife can be retracted into the storage groove, the scraper knife is prevented from being exposed outside, and accidental injury is easily caused when a person walks aside.

The utility model relates to the technical field of sowing and seedling raising, and discloses a sowing and seedling raising device for planting pattern modeling, which comprises a bottom plate, a front wheel and a rear wheel arranged at the bottom of the bottom plate, a push handle arranged at the top of the bottom plate, a connecting hook fixedly mounted at the top of the bottom plate, and a first mounting rack fixedly mounted at the top of the bottom plate, a seed storage barrel is fixedly mounted in the first mounting frame, a discharging pipe is fixedly mounted at the bottom of the seed storage barrel, adjustable seeding mechanisms are arranged outside the front wheels and at the top of the bottom plate, and a seeding and soil leveling mechanism is arranged at the top of the bottom plate. By arranging the adjustable seeding mechanism, intermittent opening of a discharging pipe can be achieved, intermittent discharging is achieved, the situation that needed planting patterns are difficult to present is avoided, soil in an area where seeding is completed can be stirred through a seeding and soil leveling mechanism, and the phenomenon that seeds are exposed outside, and consequently the seeds are difficult to survive in the later period is avoided; and the phenomenon that caked soil greatly impacts the soil leveling plate can be avoided.

The utility model discloses a kind of photosensitive chip packaging structures, including circuit board, fixed filling adhesive layer, CIS photosensitive chip, support adhesive layer, wrapping filling adhesive layer, optical filter and multiple pads.CIS photosensitive chip is fixed on the top of circuit board by fixed filling adhesive layer, and the photosensitive area is jointly constituted by the support adhesive layer of setting in its outer edge and the top optical filter Sealing chip inner cavity;Photosensitive chip and circuit board are connected by multiple gold wires, and are packaged by wrapping filling adhesive layer to prevent gold wire exposure, improve structural stability.The utility model structure is packaged by optimization, effectively prevent gold wire fracture, and by reducing chip inner cavity volume, reduce the risk of fogging caused by air thermal expansion, to improve the stability and imaging reliability of photosensitive chip, applicable to the image acquisition equipment of higher imaging quality requirement.

The present application relates to the technical field of water film ground seeding, and proposes a water film ground self-propelled sunflower air suction type precision sand covering seeder, which comprises a frame, a plurality of seeding assemblies, a walking assembly, and the like. The seeding assembly comprises a roller rotatably arranged on the frame, the roller having a seed dropping cavity and a sand dropping cavity; a sand box arranged on the frame and communicated with the sand dropping cavity; and a plurality of discharging pieces circumferentially arranged on the roller and communicated with the seed dropping cavity and the sand dropping cavity for seeding. The above technical solution solves the problem that the existing equipment cannot realize spot seeding and sand covering on the water film under the condition of sunflower wet land.

The utility model discloses a medical waste recovery device after blood sampling, which comprises a recovery disc, and a plurality of recovery grooves are formed on the recovery disc; the isolation plate is arranged above the recovery disc, and a recovery hole is formed in the isolation plate; and the driving assembly is matched with the recycling disc and is used for sequentially matching the recycling grooves with the recycling holes. According to the needle recycling device, the driving assembly drives the recycling disc to move, so that the recycling grooves are sequentially matched with the recycling holes, needles are independently recycled through the recycling grooves, the needles are isolated through the isolation plate, and when medical waste such as needles and / or cotton swabs is recycled in all the recycling grooves in the recycling disc, the recycling disc is poured into the recycling barrel, so that the medical waste is recycled. The needle head can be prevented from being exposed in the dumping process of the recycling barrel, and the problem of potential safety hazards caused by needle head exposure is solved.

The present invention discloses a method for transporting pine nematode diseased trees by unmanned aerial vehicles. A method for transporting pine nematode diseased trees by unmanned aerial vehicles comprises an unmanned aerial vehicle, a hoisting mechanism is installed below the unmanned aerial vehicle, a balanced carrier is arranged in the hoisting mechanism, a cable is connected above the balanced carrier, a driving device is connected below the balanced carrier, a grasping device is arranged below the driving device, a plurality of expansion and push pressure rods are arranged in the grasping device, the plurality of expansion and push rods are respectively connected to a plurality of ring claw grasping parts, a latch shaft is arranged in the ring claw grasping part, and a left claw half ring and a right claw half ring are respectively connected at both ends of the latch shaft. The present invention can transport pine nematode diseased trees in some mountain forests through the hoisting mechanism below the unmanned aerial vehicle, so that the diseased trees in the mountain forest can be transported to the bottom of the mountain without opening up the mountain forest road, which greatly reduces the cost of transporting the diseased trees, and also reduces the hard work and slow speed of manual transportation.

The utility model relates to the technical field of charging equipment, and discloses a charger which comprises a shell, an insertion piece assembly and a shielding piece. The insertion piece assembly is movably arranged in the shell in the first direction. The insertion piece assembly comprises an insertion piece base, a splayed insertion piece arranged at one end of the insertion piece base and a parallel insertion piece arranged at the other end of the insertion piece base. The insertion piece assembly is provided with a first position and a second position, when the insertion piece assembly is located at the first position, the splayed insertion pieces extend out of the shell, and the parallel insertion pieces retract into the shell; when in the second position, the parallel insertion sheet extends out of the shell, and the splayed insertion sheet retracts into the shell; the shielding piece is detachably arranged at one end, close to the splayed insertion piece, of the shell, and when the splayed insertion piece retracts into the shell, the shielding piece can be installed on the outer side of the splayed insertion piece and shield the outer side of the splayed insertion piece. The socket is suitable for both a two-hole socket and a three-hole socket, and is simple in structure, convenient to operate, safe, reliable, neat and attractive in appearance, and convenient to store and carry.

The utility model relates to a kind of feeding cylinder, and the feeding cylinder includes cylinder, vertebral body assembly and metal connecting rod, vertebral body assembly includes integrally-formed vertebral body and inner layer sleeve, vertebral body is arranged at the lower end opening of cylinder, and the lower end of inner layer sleeve is connected with the upper end of vertebral body by rising or falling to block or open the lower end opening of cylinder;When vertebral body blocks the lower end opening of cylinder, the outer periphery of the part of metal connecting rod that extends into cylinder is surrounded by inner layer sleeve.Adopting the scheme, by setting integrally-formed vertebral body and inner layer sleeve, and vertebral body and inner layer sleeve are sleeved on the outside of metal connecting rod, relative to the gap between the protective sleeve outside metal connecting rod and vertebral body in prior art causes the problem of material jamming or damage, the scheme is by integrally-formed vertebral body assembly, by the wrapping of integrally-formed vertebral body assembly, effectively avoid that metal connecting rod is exposed, and also can avoid the gap between vertebral body, avoid the problem of material jamming.

The utility model relates to the technical field of film reading tables, in particular to a lifting film reading table, which comprises a table body, a lifting device, a rotating device and a film reading display, the lifting device is arranged below the table body, the rotating device is arranged above the table body, and the film reading display is arranged on the rotating device; the lifting device comprises a spring cable, a lifting supporting column assembly and a supporting cross beam. The two sets of lifting supporting column assemblies are arranged below the two ends of the supporting cross beam correspondingly, the spring cables are arranged in the lifting supporting column assemblies and stretch out and draw back along with lifting of the lifting supporting column assemblies, external exposure of the spring cables can be greatly reduced, and the risk that the spring cables are exposed outside is reduced; potential safety hazards such as electric shock and short circuit are reduced; and the supporting cross beam is provided with the wiring groove, so that the spring cables can be tidily placed in the wiring groove and are prevented from being exposed and disordered.

The application provides a semiconductor device manufacturing method, comprising the following steps: providing a substrate, a plurality of functional structures are formed on a first surface of the substrate; forming a dielectric layer on the first surface of the substrate and the functional structures, a top surface of the dielectric layer has a plurality of protrusions and a plurality of recesses arranged at intervals; forming an amorphous silicon layer in the recesses, the amorphous silicon layer covers the inner wall of the recesses; oxidizing the amorphous silicon layer to form a silicon oxide layer, the silicon oxide layer fills the recesses; and grinding the top surface of the silicon oxide layer and the dielectric layer to planarize the top surface of the silicon oxide layer and the dielectric layer. The amorphous silicon layer is formed in the recesses, and the amorphous silicon layer is oxidized, the volume of the amorphous silicon layer increases during the oxidation, so that the formed silicon oxide layer can fill the recesses, the film layer covering the top corner of the functional structure is thickened, and the problem that the functional structure is exposed during the subsequent grinding of the top surface of the silicon oxide layer and the dielectric layer is avoided.

The technical scheme belongs to the technical field of template machines, and particularly relates to a needle rod device of a template machine, which comprises a rack, a needle rod, a needle head, a needle rod, a needle rod and a needle rod, the displacement mechanism is arranged on the machine frame, the displacement mechanism comprises a displacement driving part and a needle rod connector arranged at the output end of the displacement driving part, the front end of the needle rod connector is arranged outside the machine needle rod in a sleeving mode, and the displacement driving part drives the machine needle rod to move in a reciprocating mode in the needle inserting direction through the needle rod connector; the rotating mechanism is arranged on the machine frame, the rotating mechanism comprises a rotating driving part, the machine needle rod is arranged at the output end of the rotating driving part, and the rotating driving part is used for driving the machine needle rod to rotate with the axis of the machine needle rod as the center.

The invention discloses a new energy automobile charging pile with a fire extinguishing device, and relates to the technical field of charging piles. The device comprises a base, the top of the base is provided with a charging main body, the left and right sides of the charging main body are provided with ventilation openings, the outer wall of the base is provided with a protective shell, and the top of the protective shell is designed to be a slope; the bottom of the inner wall of the charging main body is provided with a power supply main body; an anti-damage device is arranged on the upper portion in the charging body, an anti-softening device is arranged on the back of the anti-damage device, and an anti-erosion device is arranged at the bottom of the anti-softening device. The detection range of the detection assembly is effectively expanded, so that the accuracy of the detection result is improved, fire hazards in the charging main body are eliminated through carbon dioxide gas, economic losses caused by fire damage of the charging main body due to overload short circuit at high temperature are avoided, and the fire protection function of the charging main body is improved.

The application relates to a sliding door and window, and relates to the field of sliding door and window, which comprises an inner frame and an outer frame, the inner frame and the outer frame are slidingly connected, a handle is fixedly arranged on the inner frame; the outer frame is provided with a containing groove capable of being matched with the handle, the containing groove is used for inserting the handle when the inner frame is closed, and an operation space capable of being used for operating the handle by hand is arranged in the containing groove. The application can reduce the damage risk of the handle caused by external impact, thereby improving the reliability of the sliding door and window.

The invention discloses a light and simple mechanical potato planting device and method in the technical field of agricultural planting, and the method comprises the following steps: 1, selecting and preparing a land, and carrying out deep ploughing and fine soil preparation by adopting a rotary cultivator 3-4 days before sowing, with the rotary tillage depth being 25-30 cm; 2, seed potatoes are prepared, and the cut seed potatoes are subjected to seed dressing treatment after being diced; 3, preparing a base fertilizer containing phoxim for preventing and treating underground pests; 4, a light and simple potato planting device is used for carrying out compartment opening and ridging, the sowing depth is accurately controlled, and when base fertilizer is applied, compound fertilizer is applied at intervals to seed potatoes, so that bud burning and seed rotting are avoided; 5, medium-term management, wherein 5-7.5 kg of urea is applied per mu according to the seedling condition for seedling lifting. The potato ridger is efficient and practical, manpower consumption of potato sowing, fertilizing and ridging is reduced through mechanical application, the structure of the ridging shovel is optimized, the planting efficiency and quality are improved, potato planting is simplified and efficient, labor intensity and planting cost are reduced, and the planting efficiency and quality are improved.

The utility model relates to the technical field of fabricated buildings, in particular to a connecting piece of a fabricated building, which comprises a first wall plate, a second wall plate is arranged on the surface of the first wall plate, a mounting groove is formed in the surface of the first wall plate, and a mounting bolt is in threaded connection with the surface of the mounting groove. And the surface of the mounting bolt is movably connected with a mounting plate. According to the utility model, the mounting groove is in threaded connection with the mounting bolt, the mounting bolt is movably connected with the mounting plate, the mounting plate is fixedly connected with the fixing sleeve, the fixing sleeve is fixedly connected with the connecting plate, the connecting plate is movably connected with the limiting plate, the limiting plate is fixedly connected with the screw rod, and the screw rod is fixedly connected with the rotating head; the lead screw is movably connected with the moving block, the moving block is fixedly connected with the moving sleeve, the rotating head is rotated to drive the lead screw to rotate so that the moving block can be controlled to drive the moving sleeve to move, accordingly, the second wall plate can be driven to move, and the size of the gap between the first wall plate and the second wall plate can be adjusted.

The invention discloses an intelligent LED explosion-proof lamp, comprising a lamp body, a positioning rod and a protection mechanism; a lug seat is arranged on the side wall of the lamp body; the bottom end of the positioning rod is hinged to the lug seat for adjusting the inclination angle of the lamp body; the protection mechanism comprises a sleeve and an internal threaded sleeve, one end of the sleeve is limited on the outer wall of the wiring terminal of the lamp body, and the other end is provided with an external threaded joint, the sleeve is used to protect the connecting wire, the external threaded joint matches the internal threaded sleeve, the threaded end of the internal threaded sleeve is used for threaded connection with the external threaded joint, the positioning end of the internal threaded sleeve is used for sealing the socket head and the socket plate, the socket head is limited in the internal threaded sleeve, and has the main functions of adjusting the angle of the lamp body, protecting the connecting wire of the lamp body and the position of the connection between the socket head and the socket plate.

The invention relates to a supporting and protective structure for building foundations applied in fields related to building foundations, comprising a supporting sleeve, a telescopic supporting rod, an adjusting assembly and a cleaning part. The telescopic supporting rod is slidably sleeved on the inner side of the supporting sleeve, and the supporting sleeve is rotatably installed with a threaded rod along its axis. The threaded rod thread penetrates the telescopic supporting rod, and the adjusting assembly is installed between the supporting sleeve and the threaded rod. The cleaning part comprises a conical collar and a plurality of annular cutting blades. The conical collar is coaxially connected to the supporting sleeve, and the diameters of the plurality of annular cutting blades are different. The plurality of annular cutting blades are equidistantly fixed on the inner wall of the conical collar along the axial direction of the conical collar. In the process of contracting the telescopic supporting rod, the plurality of annular cutting blades with gradually decreasing diameters can be used to scrape away impurities such as cement and soil that are thickly attached to the surface of the telescopic supporting rod in a gradually thinning manner from the outside to the inside, and the scraping effect is better.

The utility model discloses a bending machine pedal self-locking device, which belongs to the technical field of bending machines, and adopts the technical scheme that the bending machine pedal self-locking device comprises a bending machine pedal body, a locking mechanism is arranged at the top of the bending machine pedal body, the locking mechanism comprises a bearing component and a pressing component, the bearing component is arranged at the top of the bending machine pedal body, and the pressing component is arranged at the top of the bending machine pedal body. The pressing assembly is arranged on the inner side of the bearing assembly, by arranging the bearing assembly and the pressing assembly, the bearing assembly, the pressing assembly and the bending machine pedal body can be combined and moved to a proper working position, so that when the bending machine pedal self-locking device is used, a pedal is generally placed in a closed mode, and the bending machine pedal self-locking device is convenient to use. According to the utility model, the structure is simple, the mistaken touch phenomenon caused by the influence of external factors is prevented, the risk factors during working of a user are reduced, and the self-locking function is realized, so that the user is prevented from forming muscle memory due to too simple operation, the phenomenon that feet are faster than the brain is avoided, and the product is prevented from being damaged by accidental operation.

The utility model relates to the technical field of interior decoration, and discloses a multifunctional decorative wallboard for teaching building public space interior design, which comprises a main body structure and a mounting structure, the outer wall of the main body structure is fixedly connected with the mounting structure, the main body structure comprises a curtain wall decorative plate, the outer wall of the curtain wall decorative plate is fixedly provided with a display screen, and the display screen is fixedly connected with the mounting structure. A protective guide rail and a guide rod are matched with each other to guide opening and closing of a protective baffle, the protective baffle is driven downwards through a sliding block, a first magnetic strip at the bottom of the protective baffle and a second magnetic strip on the protective guide rail attract each other, a limiting switch is pressed to insert a limiting bolt into a limiting insertion hole, and fixing of the protective baffle is completed. In this way, protection of the display screen is completed, the display screen is prevented from being exposed outside, the display screen is prevented from being damaged and mistakenly touched in the public space of a teaching building, and teachers and students can watch the display screen through the protective baffle under the condition that the protective baffle is not opened due to the fact that the protective baffle is made of transparent materials.