81results about How to "Does not impede movement" patented technology

A mitral valve annuloplasty ring and method for implanting a mitral valve annuloplasty ring to treat mitral insufficiency by reestablishing the normal shape and contour of the mitral valve annulus. The annuloplasty ring is flexible and can be readily adjusted to different sizes and shapes. The method substantially eliminates scarring subsequent to the annuloplasty procedure to maintain flexibility of the ring and the annulus indefinitely.

The invention provides a loudspeaker. The loudspeaker includes a casing, a magnetic circuit system accommodated in the casing, a diaphragm system and a driving device, and the diaphragm system includes a plurality of diaphragms arranged perpendicular to the moving direction of the driving device and arranged adjacent to the The diaphragm between the diaphragms is used to hinder the air circulation between the adjacent diaphragms, and the partition divides the space between the adjacent diaphragms into two cavities that are not connected to each other. The magnetic circuit system of the loudspeaker generates driving force, which is transmitted to the transmission member through the voice coil, and the transmission member simultaneously drives a plurality of the diaphragms, and the plurality of diaphragms vibrate at the same time, and the vibration phase same. The loudspeaker of the present invention is conducive to improving the sensitivity of the loudspeaker without increasing the size of the diaphragm.

The invention relates to a preparation method of a material, specifically to a preparation method of a seawater desalination material based on polyurethane foam. The invention aims to solve the problem of low desalination efficiency of seawater desalination material prepared by utilizing conventional photothermal conversion methods. The preparation method comprises the following steps: 1, preparing an ammonium persulfate solution and an aniline solution; 2, preparing polyaniline powder; 3, preparing a polyaniline solution; 4, preparing a polyvinyl alcohol solution; 5, preparing a crude productof the seawater desalination material based on the polyurethane foam; and 6, carrying out optimization treatment to obtain the seawater desalination material based on the polyurethane foam. The prepared seawater desalination material can fully utilize the pore diameter structure of a polyurethane foam material and the nano-channel of a polyvinyl alcohol gel, effectively reduces latent heat of evaporation of water, and greatly improves sea water desalination efficiency. The seawater desalination material has a high seawater evaporation rate (2.0 kg / m<2> / h) and high desalination efficiency (99.9%), which is increased by 25% compared with traditional photothermal conversion seawater desalination materials.

The invention discloses a macromolecular compound latex scar paste used for controlling subjective discomforts such as local pruritus and fever caused by hypertrophic scar after wound healing of burn. The latex comprises the following components of hydroxypropyl guar gum powder, polymethyl methacrylate-chitin, methyl salicylate, heparin sodium, allantoin, menthol, camphor and borneol. Animal experiments and human body tests verify that the macromolecular compound latex (scar paste) is exact in itch-relieving effect, and can be used for controlling subjective discomforts such as local pruritus and fever caused by hypertrophic scar.

The invention provides a composite plate emery wire cutting machine. The composite plate emery wire cutting machine comprises a coordinate table, a wire conveying mechanism, a fixed holding device, a floating pressing vibration damper, a vacuum pump powder suction system and a digital program control system. According to the working process of the cutting machine, a to-be-cut nonmetallic plate is clamped through clamps on the coordinate table, a steel ball on the fixed holding device holds the nonmetallic plate, and a steel ball on the floating pressing vibration damper presses the nonmetallic plate so as to reduce vibration and frictional resistance of the nonmetallic plate during cutting; an emery wire deviation-proof device reduces transverse and longitudinal vibration during emery wire cutting; the wire conveying mechanism makes an emery wire move, the digital program control system operates a program to control the coordinate table to drive the clamp X and the clamp Y clamping a workpiece to move, and then the cutting shape of the machined workpiece is controlled; and nonmetallic powder generated during cutting is sucked and cleared away by the vacuum pump powder suction system always operating during machining.

The purpose of this invention is to provide a pushbutton switch and a keyboard using the same with excellent operation touch without inhibiting the tongue movement. The pushbutton switch (1) of this invention is provided with: a stationary contact member (21); and a flat spring member (10) configured also as a movable contact member (15) for the contact and separation with respect to the stationary contact member (21), having a dome (10a) allowing the press operation and protruded as a dome shape, and being capable of performing reverse rotation of the dome (10a); the flat spring member (10) has a tongue (10f) protruded inward from the proximity of the top of the dome (10a), and the pressed region (PR) of the flat spring member (10) is an annular portion larger than the tongue (10f) from the top view.

The invention relates to a thread trapper device for a spindle of a spinning or thread machine. The thread trapper device comprises a mounting rack for mounting the thread trapper on a spindle and two retainers capable of mutually oppositely moving and for retaining the thread. At least one loading element uses the loading force to close the retainer and at least one unloading element generates the unloading force opposite to the direction of the loading force. The unloading element moves under centrifugal force with rotating spindle. The retainer is opened by the unloading force. One unloading element is attached at least two positions in the thread trapper such that the different unloading forces are generated at positions during defined spindle speed by the unloading element.

The invention discloses an internet intelligent oil smoke exhaust ventilator. The internet intelligent oil smoke exhaust ventilator comprises a housing (100), at least one photoelectric type oil smokesensor (200), a fan housing (300), a server and a user terminal; the front surface of the housing (100) is inclined from the top down in a front and back manner; an air inlet grille (101) is arrangedon the front surface of the housing (100); the photoelectric type oil smoke sensors (200) are configured on the left side and the right side of the front surface of the housing (100); the server is in wireless connection with a communication module and adjusts the height of the fan housing (300) and the power of a fan based on the amount of oil smoke detected by each photoelectric type oil smokesensor (200); and the user terminal is used for displaying the amount of the oil smoke detected by each photoelectric type oil smoke sensor (200) and the height of the fan housing (300). The concreteposition and the amount degree of the oil smoke are detected by the photoelectric type oil smoke sensors (200), so that the fan can be accurately adjusted to the appropriate position.

A cam pin (2) is provided on a male connector (1). A cam groove (25) is formed on a lever (15) of a female connector (5). On a bottom surface (30) of a cam part (27) of the cam groove (25), an escape hole (32) is formed at the side of a cam surface (28) for separation, with the escape hole (32) penetrates through an outer wall of a cam plate part (17). The groove width of the cam part (27) is larger than the outer diameter of the cam pin (2). Even though foreign matter such as sand penetrates into the cam groove (25) in a fitted state of the female connector (5) and the male connector (1), the foreign matter can be discharged from the escape hole (32) to the outside of the connector. If some foreign matter does not pass through the escape hole (32) but is left in the cam part (27), the groove width of the cam part (27) is larger than the outer diameter of the cam pin (2) so that the foreign matter does not interfere with a movement of the cam pin (2).

The invention relates to a foil bearing (30) for supporting a shaft (36), said bearing comprising a sleeve-type bearing housing (32), at least one elastic corrugated foil (34) arranged on the inner circumference of the bearing housing and a respective top foil (38) covering each corrugated foil and forming a bearing surface, means for securing said foils being provided on the inner face of the bearing housing (32). According to the invention, insertion grooves (40, 42) are formed in the inner face of the bearing housing (32), the insertion grooves extending along surface lines, running obliquely from the inside to the outside and being used to hold at least the two end edges (44, 46) which delimit the top foil (38) of each foil arrangement in the circumferential direction and which run substantially in the circumferential direction. Alternatively, end edges (48, 50) which likewise engage in the insertion grooves (40, 42) can be formed on the corrugated foils.

The invention relates to leftover waster material winding and recycling equipment, in particular to a leftover material wrapuping device capable of realizing parallel winding. The leftover material wrapuping device comprises a winding mechanism, a power mechanism and a hauling mechanism, wherein the winding mechanism is used for winding leftover materials; the power mechanism is used for driving the winding mechanism to run; the hauling mechanism is arranged on a passing zone of the leftover materials and used for enabling the width of the leftover materials to be decreased and used for enabling the leftover materials to be winded in parallel in the winding mechanism. According to the leftover material wrapuping device capable of realizing parallel winding, the hauling mechanism is arranged in addition, the position of a winding device is not changed, the parallel winding of the leftover materials on the winding mechanism is realized; the hauling mechanism drives the leftover materials moves in the direction of a shaft line parallel a wind up roll, so the regulation control to winding and feeding direction of the leftover materials on the winding mechanism is realized further, the parallel winding of adjacent winding rings with equal diameter in the length direction of the winding mechanism is realized, the maximization of the winding density is realized, and the recycling and utilization efficiency of the winding is high.

The invention relates to a knitted jacket with mobile phone bags, which comprises a jacket body having a collar and sleeves, wherein the sleeves are provided with the mobile phone accommodation bags. A person who wears the knitted jacket with the mobile phone bags when going out can think of carrying mobile phone. The mobile phone accommodation bag provided with a zipper can be zipped up after small articles such as mobile phone or changes, etc. are placed in, and mobile phone or other small articles can still be carried conveniently in case of clothes without pocket, bringing no impediment to sports.

An actuator suitable for a washing machine lid lock employs a shape memory alloy wire indirectly heated by a temperature regulating heater that provides a sliding coupling to the wire and that may be driven, for example, directly by line voltage without the need for temperature regulation circuitry.

The invention relates to a hollow molecular sieve of a microsphere structure and a preparing method of the sieve. The hollow molecular sieve is in a microsphere state and has the particle size of 4-6mm and the wall thickness of 500-2000 micron. In preparation, a sol-shaped molecular sieve is synthesized under mild conditions, then modified polystyrene resin with positive charges on the surface isadded to the molecular sieve, since substances of the molecular sieve carry negative charges, the molecular sieve can deposit on surfaces of resin particles to form an even molecular sieve film underthe effect of electrostatic adsorption, and finally inner resin particles are removed through high-temperature calcinating to form hollow molecular sieve microspheres. Compared with the prior art, the use efficiency of a porous material in fluid is greatly improved, preparing is simple, and the application range is wide.

The invention discloses a traditional Chinese medicine composition for promoting healing of burn wounds and a preparation method of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from the following raw materials in parts by mass: 10-25 parts of rosin, 15-25 parts of propolis, 15-45 parts of Chinese wax, 30 parts of platycladi seed, 15-25 parts of olibanum, 30 parts of golden cypress, 15-25 parts of beewax, 35 parts of coptis chinensis, 45 parts of polygonum cuspidatum, 35 parts of rheum officinale, 35 parts of ochres, 35 parts of horseshoes, 20 parts of eucommia ulmoides, 25 parts of bletilla striata, 30 parts of rhodiola rosea, 50 parts of ganoderma lucidum, 25 parts of calamine, 40 parts of millet hulls, 35 parts of angelica sinensis, 45 parts of liquidambar formosana hance, 800-1600 parts of sesame oil, 800-1200 parts of linseed oil, 35 parts of gastrodia elata, 30 parts of rehmannia, 45 parts of gypsum rubrum, 15 parts of saffron crocus, 15 parts of musk, 15 parts of calculus bovis, 15 parts of plum slices, 15 parts of wadalee-gum-trees and 15 parts of resina draconis. The composition disclosed by the invention has the beneficial effects that a multifunctional physiological medicine coating can be completely established on the wounds, the disease-resisting and treating and healing capacities of the body are comprehensively induced and excavated, the damaged tissues of the wounds are completely repaired, burn wounds can be treated internally and externally, partially and completely and the curative effect is remarkable.

The invention discloses an oral cavity device for restraining snores. The snore prevention device is more compact in size and meanwhile improves the wearing feeling. The oral cavity device comprises an upper jaw installation frame, a lower jaw installation frame and an upper jaw forwards-moving unit. The upper jaw installation frame comprises an upper tooth insertion groove for upper teeth to be inserted therein. The upper jaw installation frame is arranged on an upper jaw. The lower jaw installation frame comprises a lower tooth insertion groove for lower teeth to be inserted therein. The lower jaw installation frame is arranged on a lower jaw. The upper jaw forwards-moving unit comprises adjustable devices on the two sides of the upper jaw. The adjustable devices are arranged on the portions corresponding to the two sides of the upper jaw. The adjustable devices on the upper jaw installation frame are convenient to adjust, the upper jaw installation frame is pushed forwards, and the lower jaw installation frame is made to move forwards.

The invention discloses an overturn window structure based on glass rotation. The overturn window structure comprises a glass outer frame which is arranged in a window outer frame and can slide. Bearing pedestals are arranged at the midpoint positions of two opposite edges of the glass outer frame. One end of each rotating shaft is sleeved with the corresponding bearing pedestal, glass clamps are fixed to the other end of each rotating shaft, glass is fixed between every two corresponding glass clamps, and the glass rotates with the connection line of the two rotating shafts as the central line. By means of the overturn window structure, the aim of cleaning the outer side face of a window is sufficiently achieved, operation is easy and convenient, and safety is also ensured.

The warp knitting machine is comprise of: the pattern guide bar(1) containing the yarn guides (4) reciprocated by a driving device; the yarn guides(4) containing the holders(17) extended in the shift direction(6); and the holders(17) connected vertically with the shafts(14) and fixed on the cords(7).

The invention discloses a high-reliability mechanical gripper mechanism. The high-reliability mechanical gripper mechanism at least comprises a set of clamping mechanism, a frame and an outer framework body, wherein the clamping mechanism comprises a sliding rail, a sliding part, a driving device, gripping plates and a driving part; the sliding part comprises an active sliding part and a passive sliding part which are slidably mounted on the sliding rail; the gripping plates are respectively mounted on the active sliding part and the passive sliding part; the driving part comprises an active driving part, a passive driving part, a driving wheel and a guide wheel; guide parts and transitions are arranged on the outer sides of the active driving part and the passive driving part; the frame is a cubical frame formed by interconnection of multiple connection tubes; the outer framework body is mounted outside the frame; the clamping mechanism is mounted insidie the frame; protective rubber plates are mounted on the inner sides of the gripping plates. The invention aims to disclose a high-reliability mechanical gripper mechanism; the high-reliability mechanical gripper mechanism is stable in structure, high in operation stability and stable in operation, and is capable of more tightly and stably gripping brick ladles without damage to the structure of the brick, protecting the brick ladles and accurately gripping the brick ladles.

The invention discloses a continuous bubble scraping type multilayer inflatable bottom transmission type flotation machine. The flotation machine comprises a flotation groove; a mechanical stirring device, an annular column type micro-bubble generator and a bubble scraping device are arranged inside the flotation groove; the mechanical stirring device is located below a mineralized bubble foam layer; the annular column type micro-bubble generator is arranged on the periphery and the upper part of an impeller in a three-layer annular column type mode, air is transversely led into a bottom circular ring of the micro-bubble generator through an opening in the side part of the bottom of the flotation groove, and the purpose of inflation is achieved; the bubble scraping operation adopts two scraping plates for continuous scraping alternatively, and a long-stroke transmission belt wheel is matched. According to the flotation machine, the existing flotation machine mechanical stirring deviceis arranged at the bottom, the problems of middle foam stagnation and secondary sedimentation of mineralized particles are solved, so that the flotation index is improved; the annular column type micro-bubble generator is used as an air inflation device so that the diameter of the bubbles can be reduced, the sedimentation area is reduced, and the foam layer is stable and controllable; and the scraping plates of the flotation machine are two alternative scraping plates, and the belt wheel transmission is adopted, so that the mineralized foam can be timely and continuously scraped, the secondarysedimentation is prevented, and the flotation recovery rate is improved.

The invention provides an anti-falling device for an attached lifting scaffold. The anti-falling device comprises a main body, a movable body, a hinge mechanism, a locking component and a trigger assembly, wherein the main body comprises a first fixed part and a second fixed part; a cavity groove is formed in one side, facing the second fixed part, of the first fixed part; the movable body comprises a movable part; the movable part is connected to the upper surface of the first fixed part in a sliding manner and can horizontally move towards the second fixed part; the movable end can rotate clockwise or anticlockwise around a horizontal line between a guide rail and the movable part; the trigger end and the linkage end rotate clockwise or anticlockwise around the horizontal line at the same time; the trigger end in an initial state is inserted into a window and can rotate and reset along with the up-and-down movement of the guide rail; and the trigger end can rotate towards the ground through friction force and downward impact force, so that the movable end is pushed to be screwed into a first interval and get close to the second fixed part, a flange plate of the guide rail is fixedly clamped between the movable end and the second fixed part, and the guide rail is prevented from falling.

The invention relates to the field of semiconductor processing, in particular to a lead frame tape cutting mechanism, including a rack, the rack is provided with a feed cylinder arranged horizontally,one end of the feeding barrel communicates with a discharging barrel which is perpendicular to the feeding barrel and arranged transversely, the other end of the feeding barrel is slidably connectedwith a push rod, one end of the push rod is positioned in the feeding barrel, the other end of the push rod is positioned outside the feeding barrel, a tension spring is connected between one end of the pushing rod positioned outside the feeding barrel and the discharging barrel, the bottom and the top of the feeding barrel are provided with insertion holes, and the insertion holes on the top of the feeding barrel and the insertion hole on the bottom of the feeding barrel are staggered; pickup units are arranged above and below the feeding cylinder, a hot cutting knife opposite to the insertion hole is slidably connected to the frame, one end of the discharging cylinder is slidably connected with a discharging rod, one end of the discharging rod is positioned in the discharging cylinder, the other end of the discharging rod is positioned outside the discharging cylinder, and the other end of the discharging cylinder is provided with a collection box. The scheme prevents the semiconductor device from vibrating off the rack when the semiconductor device is cut.

The invention relates to a sewing machine, in particular to a copper strip sewing machine. The copper strip sewing machine comprises a frame, an upper installing plate and a lower installing plate, wherein the upper installing plate and the lower installing plate are arranged on the frame. A plurality of upper punching heads penetrating through an upper mold vertically and downwardly are fixed tothe bottom of the upper installing plate. A plurality of lower punching heads penetrating through a lower mold vertically and upwardly are fixed to the lower installing plate. The upper punching headsand the lower punching heads are arranged in a staggered mode in the width direction of copper strips. Threading holes communicating with each other are formed in adjacent end surfaces of the upper and lower punching heads. Notches vertically communicating with the threading holes are formed in end portions of the upper and lower punching heads. Copper wires are threaded through all the threadingholes from one side. When the upper punching heads and the lower punching heads are separated from each other, the copper wires are threaded out of the notches in the upper and lower sides and kept in interlaced punching holes in the two layers of copper strips, and therefore firm sewing is achieved. Moreover, threading devices for threading the copper wires through the threading holes are arranged on the frame and are easy and convenient to operate, and therefore semi-automatic operation and control are achieved, and labor resources are saved.

The invention is provided, in which the rigidity of the suspension can be increased without impeding the motion of the suspension responding to the expansion and contraction of the piezoelectric element. In accordance with an embodiment of the present invention, the base plate 205 is affixed to the top of the second section 435 of the deformable plate 204 behind the piezoelectric element 206. The base plate 205 includes left and right projection members 252a and 252b on the front edge. The projection members 252a and 252b project toward the first section 434, which is forward, while avoiding the piezoelectric element 206. The front edges 521a and 521b of the projection members 252a and 252b are positioned further forward than the position of the back edge 411 of the hole 241. The rigidity of the suspension 110 can be increased and the resonant frequency can be raised by the projection members 252a and 252b having this kind of shape.

A fabrication method of a high-conductivity cable belongs to the field of cable production and is used for solving the problems that a cable fabricated by an existing production method of a high-conductivity cable is not uniform in conductive medium and not good in conductive effect. The method comprises the steps of S1, taking a metal conductor as a raw material; S2, allowing the conductor to pass through a magnetron sputtering machine to form a graphene film, wherein the conductor automatically rotates to pass through the magnetron sputtering machine, the magnetron sputtering machine takes the graphene as a target material and is provided with a grounding line, and the grounding line is connected with the conductor through a carbon brush; S3, allowing the conductor to pass through an extruding machine to form an insulation layer outside the graphene film; S4, enabling the conductor after extrusion to pass through a cooling water groove; and winding a line. By the fabrication method, the graphene film can be uniformly formed on a surface of the conductor, and the conductor medium is uniform.

The invention discloses a negative pressure type automatic tightening loop ligature device. The device comprises a gun shell, wherein a main body of the gun shell is gun-shaped; a pull rope mechanismand a firing mechanism are arranged in the gun shell; the pull rope mechanism comprises a loop ligature wire; one side of the gun shell is in sliding connection with a stretching rod button; a throughhole is formed in the inner wall of the gun shell, and the inner wall of the through hole is in sliding connection with a pull rope rod; one end of the pull rope rod is connected with the loop ligature wire, and the other end of the pull rope rod is connected with a pull rope rod spring; a positioning pin is installed in the gun shell, and one end of the pull rope rod spring is connected to the positioning pin in a sleeved mode; the inner wall of the gun shell is movably connected with a tension spring wrench through a hinge, and the tension spring wrench is L-shaped; one end of the tension spring wrench protrudes outwards to form a sharp corner, and the sharp corner abuts against one position of the pull rope rod; the other end of the tension spring wrench extends out of the outer wall of the gun shell; and the firing mechanism comprises an outer sleeve. According to the negative pressure type automatic tightening loop ligature device, the device has the characteristics of being accurate in pressure control and convenient to remove.

Device for connecting an agricultural accessory to an agricultural tractor vehicle, comprising a lock actuation part, a connecting part and an arming member, wherein the coupling member of the agricultural vehicle actuates the pawl in order to effect a connecting, the said coupling member actuating the lock actuation part in order to lock the pawl and prevent the movement of the coupling member, and the said coupling member actuating the pawl once again and then the arming member in order to effect a disconnection and leave the device ready for a new connecting.

The invention discloses ceramic tile soaking equipment convenient to use. The ceramic tile soaking equipment comprises a base, a lifting frame for stacking ceramic tiles is arranged in the base, openings are formed in the two sides of the lower end of the lifting frame correspondingly, a lifting mechanism is arranged between the lifting frame and the base, a supporting mechanism for maintaining the rising state of the lifting frame is arranged at the upper end of the base, a buffering mechanism is arranged at the lower end in the base, and a cleaning mechanism for removing water accumulated onthe surfaces of the ceramic tiles is arranged in the lifting frame. The ceramic tile soaking equipment has the beneficial effects that the height of the lifting frame for containing the ceramic tilesis automatically fixed after the lifting frame rises, the lifting frame can be lowered and reset after simple operation, the operation steps of a user are simplified, and the working efficiency is improved.