1278results about How to "Won't leave" patented technology

The invention discloses a preparation method of a spinel-type magnetic MFe2O4/graphene composite material. The preparation method utilizes a water-soluble metal M<2+> salt and a Fe<3+> salt as precursors and graphite oxide as a matrix and comprises the following steps of carrying out ultrasonic dispersion of graphite oxide in ethanol or water as a solvent to obtain a graphene oxide dispersion, adding a M<2+> salt and Fe<3+> salt-containing aqueous solution having a M<2+>/Fe<3+> mole ratio of 1: 2 into the graphene oxide dispersion, fully stirring to obtain a mixed solution, adjusting a pH value of the mixed solution to a value more than 10 by an alkali liquor, adding a reducing agent into the mixed solution, stirring at a temperature of 80 to 150 DEG C for a reaction lasting for 4 to 10 hours, after the reaction is finished, carrying out separation, washing, drying and grinding, and carrying out calcination of the grinded powder at a temperature of 300 DEG C in a nitrogen or argon atmosphere for 2 to 10 hours. Magnetic MFe2O4 nano particles of the spinel-type magnetic MFe2O4/graphene composite material have high loading capacity, stable structures, good uniformity, good dispersibility and strong adhesion with graphene. The spinel-type magnetic MFe2O4/graphene composite material can be widely used in the fields of magnetic targeting materials and other related function materials.

A leaf spring suspension system with an air bag lifting axle structure, and a vehicle having same. The leaf spring suspension system with an air bag lifting axle structure comprises: an air bag (4), an equalizing beam (12), a first leaf spring (8), a second leaf spring (15), a first thrust rod (17), a second thrust rod (21), and a front leaf spring support (16), a middle leaf spring support (13), an air bag mounting support (3) and a rear leaf spring support (6) that are respectively and orderly mounted on a frame (5).

The invention discloses a quick implant used for implantable biosensors. The quick implant comprises an implant shell, a sliding seat installed in the implant shell, and a mounting mechanism; an elastic force part which enables the sliding seat to slide in the implant shell, and a control part used for controlling the sliding seat to leave from the original position and slides under the action of the elastic force part; a separation mechanism; an elastic reset device, wherein when a sensor mounting assembly is separated from the sliding seat in the preset position, the elastic reset device applies acting force back to an implantation opening onto the sensor mounting assembly. The quick implant can conveniently, quickly and accurately complete the implantation and the exit of the implantable biosensor. Short time is spent in the whole process, and the pain feeling of a patient in the process of implanting the sensor is greatly reduced, thereby improving the working efficiency.

The invention provides a driving device that enables easy installation and excellent manufacture efficiency of shape memory alloy parts, and a method of manufacturing the same. The driving device comprises shape memory alloy parts (2, 2...), a base body part (4) having fixing portions (3, 3), a movable part (5) that moves relative to the base body part in a way that the shape memory alloy parts contract because power is on , a force applying unit for applying force to the movable part in a direction when the shape memory alloy parts are in a shape under a power-off state, and a terminal fitting (6) that has press plates (20, 21) covering all sides of the fixing portions and is embedded with the fixing portions. An end basic side (2a) of each shape memory alloy part is configured along the surface of each fixing portion, and an end front side (2b) of each shape memory alloy part is configured along the back side of each fixing portion from an end surface portion (14) to a back side of each fixing portion in a returning manner. The end basic side and the end front side are clamped between the fixing portions and the press plates.

A wire having excellent operability while ensuring flexibility at the distal end, and having improved bonding strength between a first wire part and a second wire part. It has a wire main body including a linear first wire part arranged on the distal side and a linear second wire part arranged on the proximal side of the first wire part. A coil having X-ray contrast properties is preferably provided on the outer periphery of the distal end portion of the first guide wire portion. The base end portion of the first guide wire part preferably has a constant outer diameter everywhere along its length direction, and the front end part of the second guide wire part preferably has a tapered part whose outer diameter gradually increases from the front end to the base end direction. constitute. Preferably, the outer diameter of the proximal end of the first wire guide part and the outer diameter of the distal end of the second guide wire part are the same. The outer diameters of the two guide wire parts are joined by welding on the same end surface, and a metal covering layer is preferably formed on the outer periphery of the joint part to relax the outer peripheral surface of the base end part of the first guide wire part and the outer peripheral surface of the taper part. Angle difference between.

The invention discloses a roller brush fast dismounting and mounting device and a cleaning instrument thereof. The roller brush fast dismounting and mounting device comprises an ejection device and a position limiting device, wherein the ejection device exerts axial ejection elastic force on a roller brush; the position limiting device converts the elastic force into elastic potential energy and limits the axial displacement of the roller brush; the ejection device comprises an ejector pin and a pressure spring; the ejector pin is arranged inside an axial blind hole formed in one end of the roller brush; the ejector pin is provided with a flange; the pressure spring exerts axial elastic force on the ejector pin through abutting the flange; an ejector pin press plate for limiting the ejector pin to be disengaged from the blind hole is arranged in the opening position of the blind hole; one end of the roller brush is connected with a bearing seat; the roller brush has the rotating degree of freedom for rotating around the self axial line relative to the bearing seat; the position limiting device is provided with a release key with a projected part and a bearing seat with a position clamping groove; the projected part is matched with the position clamping groove. By using the device, the dismounting or the mounting of the roller brush can be realized only through one step; the cleaning of the roller brush is convenient; the roller brush mounting and dismounting efficiency is further improved; the operation environment is improved.

A molded unit including several members of eyeglasses uses a combination of hard plastic and shape-memory plastic to avoid sliding and protruding of the members. <??>The unit frame comprises a metal core embedded in a substrate made of hard plastic of which heat deformation temperature is higher than 50 degrees centigrade, and shape-memory plastic that is disposed outside the substrate and has a glass-transition temperature of between 20 degrees centigrade and 40 degrees centigrade. The shape-memory plastic is positioned where a human body contacts.

The present invention provides a shoe cover machine. A mounting frame with a PVC heat shrinking film is arranged in the shell of the shoe cover machine; the heat shrinking film is conveyed to a pedal through a conveying device; a film covering device is arranged in the shoe cover machine and a heating device is arranged in the film covering device. The heating device comprises a hot air cavity; a hot air duct is arranged in the hot air cavity; the pedal seals the outlet of the hot air cavity or the hot air duct; the air inlet of the hot air duct is provided with a fan; a heater is arranged in the hot air duct; the outside of the hot air cavity is provided with a heat insulating layer; a repositor is arranged in a pedal lifting mechanism; a control system controls the fan and the temperature of the hot air in the hot air cavity. As the hot air is pre-stored in the hot air duct, the film covering device of the shoe cover machine has rapid film covering and high work efficiency.

The invention relates to the technical field of power cable retracting and deploying vehicles, and discloses a retracting and deploying device of a power cable. The retracting and deploying device comprises a base, wherein slide devices are fixedly mounted on four corners of the bottom end of the base; a transfer frame is fixedly mounted at one side of the front surface of the top end of the base;five rolling shafts are movably in sleeve connection on front and rear surfaces of the transfer frame; a conveyor belt is rolled outside the five rolling shafts; one side, close to the transfer frame, of the back surface of the top end of the base is fixedly equipped with an asynchronous motor; and one rolling shaft penetrates through and extends to the outer part of the back surface of the transfer frame, and is fixedly in sleeve connection with the output shaft of the asynchronous motor. According to the retracting and deploying device of the power cable disclosed by the invention, fixed steel blocks, riveting nuts and rivets are matched for use, so that a cable can pass through a brush, dust and stone aggregates on the surface of the cable can be cleared off by the brush, and the surface of the cable is kept clean, and therefore, the purpose of cleaning the surface of the cable by the retracting and deploying device of the power cable is achieved.

The invention relates to a clamping mechanism of a beverage preparation device, comprising a base frame, a first machine element and a second machine element. The clamping mechanism is characterized by also comprising a clamping plate, a driving bracket and a tension spring, wherein the clamping plate is positioned in right front of the second machine member and can laterally slip relative to the front end face of the second machine member; a connecting foot extending backward is arranged at the rear part of the clamping plate, and movably passes through and extends out of the second machine member; the driving bracket is positioned in rear part of the second machine member and can laterally move relative to the second machine member; the lower part of the second machine member is connected with the connecting foot extending out of the rear end face of the second machine member; the base frame is provided with a shift structure matched with the driving bracket; and the tension spring is connected between the driving bracket and the base frame and acts on the driving bracket and the clamping plate to enable the clamping plate to keep the trend of attaching to the front end face of the second machine member. The clamping plate is attached to the front end face of the second machine member and clamps an annular space ring of a beverage bag so as to clamp the beverage bag.

The embodiments of the invention provide an image recording method and an electronic device. Firstly, a region of interest comprising a target object is determined in a display interface displaying a video frame; since when a carrier carrying an electronic device shakes, the electronic device generates first movement displacement, and after the electronic device moves the first movement displacement, the target object has movement pixel information in the display interface in a subsequently shot video frame; and at the moment, according to the movement pixel information, the position of the region of interest in the display interface in the subsequently shot video frame is adjusted, and the region of interest in the subsequently shot video frame is enabled to comprise the target object. In such a way, the target object is enabled not to away from the region of interest.

The invention relates to a trolley conductor and a collector applied to unbalance loading and curve places, and provides a sliding contact moving conduction device still capable of keeping normal power supply between an electric brush and the trolley conductor when a balance loading force is generated. The device comprises the trolley conductor, a guide rail and a running part with a collector. By the device, a conventional plane contact designing scheme in the field is changed, the electric brush is improved into a tile shape, and a trolley conductor working surface is changed into an arc shape, so a centrifugal force which is an unbalance loading force for the electric brush and is caused by the automatic generation of a centrifugal force at a curve of a production line can be overcome to a certain extent; and when the unbalance loading force is relatively stronger, an electric brush working surface is preferably arched, so that an 'enveloping' effect can be achieved for the trolley conductor working surface to prevent the electric brush from sliding out of the guide rail. By the device, stable power transmission is ensured, and simultaneously, the electric brush can be ensured not to be deviated and separated from the trolley conductor to further improve the running safety, stability and reliability of equipment.

The invention relates to a dynamic seat. The dynamic seat comprise a first base; a second base that turns to left or right relative to the first base; a seat support member configured to support a human body when sitting; a first crank of which one end is hinged to the first base and the other end is rotatably connected to the seat support member, wherein a rotatable connection between the first crank and the seat support member is flexible; a second crank of which the two ends are hinged to the second base and the seat support member respectively; and a rocker configured to connect a seat back assembly and integrate with the second crank. The first crank, the seat support member, the second crank, the first base and the second base constitute a four-link mechanism. When the seat support member and the second base jointly turns to left or right around the first base, the rotatable connection between the first crank and the seat support member is deformed under action of a torsional force transmitted by the seat support member, and restored to an original state in case of disappearance of the torsional force. A user can swing left and right or lean forward and backward, so that thedynamic seat meets different postures of the user.

The invention discloses a rotating tool magazine and a using method thereof. The rotating tool magazine comprises a supporting device, a rotating device and a control device, the supporting device isprovided with a top plate, a bottom plate and a supporting frame, and a protective cavity is formed by the top plate, the bottom plate and the supporting frame; the rotating device comprises at leasttwo rotating discs, a rotating shaft and a rotating machine, the rotating shaft is arranged in the middles of the rotating discs and connected with the rotating machine, the rotating discs are coaxially arranged, and the rotating discs are provided with a plurality of placing ports which are evenly formed in the rotating discs; and the control device comprises reader-writers and a processor, the reader-writers are connected with the processor, located in the protective cavity and opposite to the rotating discs, and the number of the reader-writers corresponds to that of the rotating discs. Therotating tool magazine can solve the problems of long tool getting time, influence to the production efficiency, low operation efficiency, missing providing or wrong-providing of tools, no timely feedback when a tool magazine is lack of the tools, large tool management difficulty and the like in the managing process of the tool magazine.