31results about How to "Easy to hurt" patented technology

The invention discloses an extensible and retractable inner supporting tool. One end of a left-handed screw is installed in a screw installation hole in the plane geometric center of a supporting plate, and the left-handed screw is in rotating fit with the screw installation hole. A left-hand thread at the other end of the left-handed screw is installed in a threaded hole in the center at one endof a sleeve. One end of a right-handed screw is installed in a screw installation hole in the plane geometric center of the other supporting plate, and the right-handed screw is in rotating fit with the screw installation hole. A right-hand thread at the other end of the right-handed screw is loaded in a threaded hole in the center at the other end of the sleeve. The extensible and retractable inner supporting tool has extending and retracting functions; in a shortened state, the extensible and retractable inner supporting tool can be put into a shell and then extends to support a cylinder, rigid restraining to the cylinder is achieved, and the welding deformation is reduced; and by means of stress relief annealing heat treatment through the belt tool, deformation stress is eliminated, andtherefore the cylinder circular degree after welding is guaranteed, and the circular degree of the shell is reduced to 2.5 mm from 10 mm.

The invention relates to an orthodontic force measuring device which comprises a base, an adjusting module and a measuring module, wherein the base is connected with the adjusting module used for adjusting the measuring module in a three-dimensional way; the base is connected with the measuring module by the adjusting module; the measuring module comprises a center rod, a pull pressure sensor and a clamp head; one end of the pull pressure sensor is connected with the center rod, and the other end of the pull pressure sensor is connected with the clamping head; and the other end of the center rod is connected with the adjusting module. By combining the higher mechanism principle with the force sensor technology, the device realizes rapid and accurate measurement for three-dimensional orthodontic force, and has the advantages of being accurate in adjustment, convenient to use and high in measurement accuracy. The orthodontic force measuring device is comparatively simple in structure and small in volume, can be directly used for measurement in vivo, omits the processes of taking and overturning a mould in measurement in vitro, and is low in measurement cost and short in time.

The invention discloses a hole eye tangent vibration type seed feeding method and a hole eye tangent vibration type seed feeding device and relates to the field of sowing machines. The hole eye tangent vibration type seed feeding device is the seed feeding part of a sowing machine. The smooth surface of the seed feeding part has a plurality of seed like hole eyes which are bigger than seeds; the surface of the seed feeding part is inclined with the hole eye surface upward and is buried in seeds in a seed feeding chamber; the seed feeding chamber and the seed feeding part vibrate tangently along a hole eye mouth face, and the amplitude and frequency of the vibration are high enough to promote the seeds on the surface of the seed feeding part to slide; the seed discharging part moves up along the direction of the tangent of the surface and moves out of the seed feeding chamber from the hole eyes; and each hole eye is filled with one seed, and the outside of the hole eye mouth face has no seeds. If the difference between the sizes of the seeds is not big, a seed charging rate and a single seed rate both reach 100 percent and seeds are not damaged. The seed feeding method has high precision, ensures simple structure and easy operation and has high efficiency.

The invention relates to a method for rapidly repairing defects of a finned tube module of a waste heat boiler, which includes the steps: 1 judging the position of a defective tube of the finned tube module, judging a system or module with a leakage point and determining a peripheral duct needing to be cut by means of visual examination outside a furnace and operational data analysis; 2 stripping fins of a heated tube and finding the specific position of the defective tube; 3 cutting off the section of the defective tube according to the position of the module with the defective tube; 4 replacing the section of the defective tube in an inserted manner, performing argon-arc backing weld by an internal wire filling method, and controlling the weld quality of a backing layer by a welder through end clearance; and 5 inspecting quality after welding and thoroughly removing slag and splash after welding until passing inspection. The method can be used for rapidly stripping the fins without hoisting the module, avoiding damage to a body of the finned tube, more rapidly cutting the section of the defective tube and realizing argon filling tightness in the finned tube module of the waste heat boiler.

A combination base for a golf practice artificial sod is formed by a number of combination plates for placing the artificial sod on the combination base. Each combination plate is made of foaming PU (Polyurethane) and has a protruding edge to extend upwardly. The protruding edge has a first end formed with a concave hole and a second end formed with a protruding block. The concave hole is connected to a relative protruding block of another adjacent combination plate. Each combination plate has a connecting edge formed with continuous convex teeth and notches to engage with the convex teeth and the notches of a relative connecting edge of an adjacent combination plate.

The invention discloses a concave arc radius detection and an arc degree determination apparatus and method, and the apparatus comprises a detection bench; a linear guide rail is arranged on the surface of the detection bench; a slide block is arranged on the linear guide rail; a measuring probe is arranged on the slide block; and 4 range finding sensors are arranged on the measuring probe. The 4 range finding sensors are vertical to each other and are arranged at the same plane; the slide block is connected with a turntable of a motor through a ball screw rod; an angle sensor is arranged on a rotating shaft of the motor; the range finding sensors, the motor and the angle sensor are connected to a data processor; and the data processor is connected to a controller. By introducing the step of geometric calculating, the method of concave arc radius detection and arc degree determining in prior art is substantially simplified; the over-complex device is simplified; the cost is reduced; the product surface won't be damaged thanks to non-contact measuring; advantages like wide application scope, easy operation, high security, high detection precision and high efficiency are provided; and the method is very suitable for on-line detection.

The invention discloses toothpaste containing a natural abradant. A preparation method of the natural abradant comprises the following steps: drying and pulverizing rhizomes of herba houttuyniae, carrying out cell wall breaking to obtain an ultra-fine powder, dispersing the ultra-fine powder in mixed liquid of sucrose ester and ethanol to form turbid liquid, and then adding sodium bicarbonate in the mixed liquid; uniformly mixing powder of the rhizomes of the herba houttuyniae and xanthan gum in deionized water, adding the mixture in the turbid liquid and stirring, and carrying out centrifugal treatment and drying to obtain the natural abradant. The natural toothpaste abradant is harmless to teeth and health, and is easily degraded in the environment. Compared with a common abradant, the natural abradant has the characteristics that after a user brushes teeth with toothpaste containing a common abradant, the surfaces of dentins have obvious artificial wedge-shaped defects, but if the user brushes the teeth with the toothpaste containing the natural abradant, the surfaces of the bodies of the dentins are seldom changed due to the fact that damage of the abradant to the teeth is small.

The invention discloses a method for preparing a natural friction agent by utilizing a macadimia nut shell. The method comprises the following steps: crushing the macadimia nut shell; soaking the obtained fine powder with an organic solvent; performing suction filtration and then repeatedly soaking; drying the filter residue, thereby obtaining degreased macadimia nut shell powder; adding a decolorizing agent; adopting an ultrasonic-assisted extraction method for decolorizing, repeating, filtering, abandoning filtrate, collecting the filter residue and drying, thereby obtaining the decolorized macadimia nut shell powder; performing superfine grinding, adding aqueous solution of sodium metabisulfite, soaking, filtering and drying the filter residue, thereby obtaining the natural friction agent. The natural friction agent made from the macadimia nut shell according to the invention is stable in chemical property and the pH is neutral. According to the invention, the high-content cellulose and lignin of the macadimia nut shell are taken as the main ingredients of the natural friction agent, so that the natural friction agent is harmless to tooth and body and is easy to degrade in the environment. The toothpaste made from the natural friction agent containing macadimia nut shell according to the invention has the advantage that the damage of friction agent to tooth is small so that the surface change of the tooth enamel surface is small.

The invention discloses a method for improving a propagation coefficient of Lotos subgenus water nymph. The method comprises the following steps: placing a cleaned and sterilized dormant bulb in a water tank with a water level of 15-20cm or another container for culturing the dormant bulb in water, wherein a water temperature is controlled to be 24-32 DEG C, and illumination with illuminance of 3000-8000lx is provided for above 8h every day; when a plantlet germinated from the dormant bulb grows 1-2 leaves and has more than four adventitious roots, immediately transplanting the plantlet; then re-placing the dormant bulb in the water tank for continuously culturing, germinating a new plantlet on the dormant bulb, and re-transplanting when the plantlet grows to reach the standard; and repeating the steps until ending at the last ten-day period of September. According to the method, 11.65 plantlets can be obtained averagely from one dormant bulb in one year, and are above 5 times that of a conventional seedling culturing method. Compared with the conventional seedling culturing method, the method has the characteristics of high propagation coefficient, high seedling survival rate and cost saving, and is easy and simple to operate.

An athletic shoe includes an upper section and a sole section. The upper section is attached to the sole section. The upper section includes at least a wearing opening. The sole section includes a bottom portion, a support portion, and a receiving portion. The support portion is arranged between the bottom portion and the receiving portion and extends from a shoe heel portion of the sole section toward a shoe sole portion of the sole section. The receiving portion includes a first trough, a second trough, and a third trough formed therein. The first trough receives therein a first soft pad that corresponds in shape thereto. The second trough receives therein a second soft pad that corresponds in shape thereto. The third trough receives therein a third soft pad that corresponds in shape thereto. As such, the sole section is provided with a plurality of rush stop sites.

A high-heeled shoe includes an upper that is attached to the midsole and has a wearing opening. A midsole includes a midsole bed having a posterior portion that is recessed to form a first trough and a front pad that is mounted to an anterior portion of the midsole bed and is recessed to form a second trough and a third trough. A bottom support board is attached to a bottom surface of the midsole and includes an anterior end portion and a posterior end portion. The anterior end portion of the bottom support board is mounted to the bottom surface of the midsole in such a way as to partially overlap the front pad located on the midsole. A shoe heel is mounted to the posterior end portion of the bottom support board.

A platform shoe includes an upper, a midsole, and an outsole. The upper is attached to the midsole and has a wearing opening. The midsole is attached to the outsole and includes a midsole bed and a front pad. The midsole bed has a posterior portion that is recessed to form a first trough. The front pad is mounted to an anterior portion of the midsole bed and is recessed to form a second trough and a third trough. The outsole includes a supportive section, a bottom section, and a shoe heel. The supportive section has a posterior portion to which the shoe heel is fixed. The bottom section is provided at an underside of the supportive section and the shoe heel. The bottom section has an anterior portion on which the bottom platform is formed. The troughs each receive and retain therein a corresponding soft pad.

The invention provides a British and American literature knowledge learning and memory assisting device, and relates to learning assisting devices. The upper portion of the upper surface of a plate body is provided with a groove, a word group training plate is arranged in the groove, a plurality of slip grooves are arranged on the word group training plate, a plurality of slip alphabet blocks arearranged in the slip grooves, and front ends of the slip grooves are provided with a plurality of annual sliding grooves connected with the slip grooves; and the middle portions of the annular slidinggrooves are provided with word group spelling display grooves connected with the annular sliding grooves, the word group training plate above the annular sliding grooves is provided with a notch, anda word group reminding device is arranged in the notch. The British and American literature knowledge learning and memory assisting device enables hand disability or cerebral palsy children to learnEnglish and assists the children to do hand rehabilitation training at the same time, thus, the English learning and rehabilitation training can be carried out together without affecting each other soas to make full use of time; and the assisting device helps the children to memorize English vocabularies and enables learning of the English vocabularies to be interesting at the same time, so thatexcessive bored learning process can be avoided.

The invention discloses a controllable button-type negative pressure suction device, and belongs to the technical field of medical equipment. The controllable button-type negative pressure suction device comprises a suction machine, the front end of the suction machine is provided with a buffer bottle, a liquid storage bottle and two bearing brackets, the buffer bottle is connected with the suction machine through an air pressure hose, and a control mechanism is arranged in the middle of the air pressure hose and comprises a control assembly, a closing assembly, a clamping assembly and an airpressure adjusting assembly; a communication hose is arranged between the liquid storage bottle and the buffer bottle, the liquid storage bottle is provided with a liquid suction hose, one end of theliquid suction hose is provided with a liquid suction rod, the liquid storage bottle is internally provided with a filtering mechanism, the filtering mechanism comprises a filtering assembly and an unfolding assembly, and the unfolding assembly is installed in the middle of the filtering assembly. According to the controllable button-type negative pressure suction device, through the arrangement of the control mechanism, the operation difficulty of doctors can be reduced, the use is convenient, and accidents do not easily occur during an operation; through the arrangement of the filtering mechanism, medical personnel can conveniently observe sucked tissue to judge the operation progress.

An endoscope device includes a hollow tube, a thermal-conductive member, an image-capturing module, and a heat-dissipation tube. The hollow tube includes an insertion end. The thermal-conductive member is in the hollow tube and adjacent to the insertion end. The thermal-conductive member includes a first end, a second end, and a receiving groove. The first end is near to the insertion end as compared with the second end, and the receiving groove is between the first end and the second end. The image-capturing module includes a camera module and a circuit board in the receiving groove. The camera module is at the insertion end and electrically connected to the circuit board. The first end contacts the camera module. The heat-dissipation tube is in the hollow tube. One end of the heat-dissipation tube contacts the thermal conductive member, and the other end of the heat-dissipation tube extends away from the insertion end.

The invention provides a door brake and a cabinet, and belongs to the technical field of door-window connection. The door brake comprises a first sliding block, a second sliding block, a first brake block and a second brake block, wherein the first sliding block is slidably connected with the side face, provided with a cabinet door, of a cabinet body; the second sliding block is slidably connectedwith the cabinet door, and one end of the second sliding block is rotatably connected with one end of the first sliding block; the first brake block is fixedly connected to the first sliding block orthe second sliding block; and the second brake block is used for being in clamped connection with the first brake block, so that the first sliding block and the cabinet body are fixed relatively or the second sliding block and the cabinet door are fixed relatively. According to the door brake and the cabinet, the problems that the door cannot be fixed after being opened, the cabinet body and thecabinet door are prone to being damaged due to the fact that the brake is mounted at a hinge, and the occupied space is overlarge in the brake motion process are solved.

A disposable microsyringe, whose tubular body is attached by its rear end into the front starting point of a longitudinal void of an intermediate housing, has located in the longitudinal void a moving head movable upon an axis and, which is connected to the rear end of the syringe plunger. The moving head is also connected, by a longitudinal rod, to a moving carriage movable upon an axis along the same direction as the moving head, and being said moving carriage guided within an elongated tube connected to at the rear end of the intermediate housing, as a continuation thereof, incorporating to said elongated tube a motor element, whose actuation drives the plunger via a moving head, a longitudinal rod and a moving carriage.

The invention relates to the technical field of refrigeration, in particular to a refrigerator box with a deicing function. The refrigerator box comprises a box body. The top outer wall of the box body is provided with an installing cover through bolts. The outer walls of the two opposite side of the box body are each provided with a third slide groove. The bottom inner wall of the box body is provided with a water groove. The water groove and the third slide grooves are each internally slidingly connected with a deicing assembly. Each deicing assembly comprises a heating plate. The four sidesof the outer wall of one side of each heating plate are each provided with a blade through screws. The outer wall of the side, away from the blades, of each heating plate is provided with two first motors through bolts. Output ends of the first motors are connected with gears through keys. The refrigerator box has the advantages that ice on the inner wall of the box body can be molten through theblades, at the moment, the inner wall of the box body can be wiped through sponge on the heating plates, the troubles of manual wiping are reduced, when a refrigerator needs to be opened, a user canstart a second motor or a third motor, an upper glass panel or a lower glass panel is moved through screw rods or lead screws, and therefore the refrigerator box is opened.

The present invention relates to natural anti-bacterial toothpaste composition containing improvement in tooth pain, antibacterial mouth and nerve stability and particularly, it enables to contribute to improvement in tooth pain, antibacterial mouth and nerve stability, which represent effects of Na2SiO3-10H2O and oriental medicine, due to more than 63˜75% of SiO3, and Na2SiO3-10H2O and oriental medicine containing natural minerals like calcium, iron, magnesium, etc.

The invention provides a grape preservative. The grape preservative comprises the following components: sucrose, sodium benzoate, chitosan, lignin, potassium iodide, phytic acid, sorbic acid and water. The grape preservative has the characteristics of a simple preparation method, low cost, a long release period, moderate dose, no injury, easy formation of films, high film formation strength, goodinhibition on air and water, lasting preservation effects, convenient use and the like.

The invention discloses a water-free turbine variable circulation heat supply system and belongs to the technical field of heat supply. The whole heat supply system is a closed airtight system and comprises a heat supply system pipeline, auxiliary heat source generators and a gas power device, the heat supply system pipeline comprises a gas conveying pipeline and two sets of heat dissipation pipelines which are communicated, the two sets of heat dissipation pipelines are arranged in parallel, a plurality of auxiliary heat source generators are arranged on the heat dissipation pipelines at intervals, and the gas power device is arranged on the gas conveying pipeline. According to the water-free turbine variable circulation heat supply system, the situation that heat cannot be supplied due to breakage caused by pipeline freezing in a low-temperature environment is avoided, meanwhile, space is saved, installation is easy, accidents such as expansion cracking and explosion caused by too large pressure are avoided, safety performance is guaranteed, the situation that the heat supply capacity is reduced due to the scaling phenomenon is avoided, and in addition, air in the system is relatively independent and forms a circulating system, so that the system is not influenced by external atmospheric pressure and altitude, can be used in high-altitude areas, and is wide in application range.

The invention relates to the technical field of medical care, in particular to comprehensive acupuncture and massage treatment equipment. The comprehensive acupuncture and massage treatment equipment comprises a device body, wherein the device body comprises a bottom plate, a clamping assembly and an extending assembly; the clamping assembly is fixedly installed at the left end of the outer surface of the upper end of the bottom plate; the clamping assembly comprises a concave frame, a U-shaped clamping frame, three spring sets, fixing barrels, L-shaped hanging rods and an elastic band, wherein the concave frame is fixedly installed on the left side of the upper end of the bottom plate; the U-shaped clamping frame is movably installed at a notch in the concave frame; three spring sets are respectively fixedly installed between the U-shaped clamping frame and the concave frame; and two sets of fixing cylinders are respectively fixedly installed at the positions, which are close to the front end and the rear end, of the outer surface of the upper end of the concave frame. According to the comprehensive acupuncture and massage treatment equipment disclosed by the invention, the legs of a patient can reach a naturally relaxed position, discomfort is reduced, leg muscles can be fully and evenly massaged, the comprehensive acupuncture and massage treatment equipment device body can be adjusted according to the requirements of the patient, and a massage effect and experience feeling are improved.

The invention belongs to the field of textile crochet needles, in particular to an exchangeable needle fixing sleeve structure and a crochet needle combination device. The existing crochet needles are relatively small, which is not convenient for the operator to grasp, and the operation of changing the crochet needles back and forth is relatively cumbersome when performing darning. , so that the darning efficiency is low, and it is inconvenient to store the crochet needles when not in use, resulting in the problem that they are easy to drop or hurt people. The following scheme is now proposed, which includes a handle, and a mounting groove is opened on one side of the handle , a cylinder is rotated in the installation groove, and four rectangular holes are opened on the cylinder, and a crochet hook device is slidably installed in the four rectangular holes. The operator grasps it, and can conveniently replace the crochet needles back and forth for darning when darning, which improves the efficiency of darning, and it is convenient to store the crochet needles when not in use, so as to prevent them from being lost or hurting people.