30results about How to "Winding method is simple" patented technology

The invention provides a cordless curtain, which is used for simplifying the winding method of a stay cord. The specific technical solution of a cordless curtain in the embodiment of the present invention is: a moving part, a telescopic part, a traction rope fixing seat, and a traction rope; one end of the telescopic part is used for fixed connection with the external environment, and the other end is connected with the The parts are connected, and the moving part moves left and right with the telescopic part; the traction rope fixing seat is used for fixed connection with the external environment; the moving part is provided with at least one horizontally arranged first horizontal column, At least one second horizontal column is arranged on the traction rope fixing seat, and the traction rope passing through the curtain body is fixed on the moving part or The traction rope is fixed on the seat.

The embodiments of the present invention disclose an EMI common-mode inductor of a new winding method and a winding method for the EMI common-mode inductor, relating to the technical field of common-mode inductors. The EMI common-mode inductor of the new winding method comprises a toroidal magnetic core, and wound at symmetric positions on two sides of the toroidal magnetic core, two windings and four lead ends. Each winding is a multi-segment winding, and multiple layers are wound around each segment of a winding. Two lead ends of each winding are disposed at two ends of the winding respectively, and one of the lead ends is positioned at the innermost layer of the winding and the other lead end is positioned at the outermost layer of the winding. The embodiments of the present invention can ensure EMI effect, realize automatic winding, effectively improve production efficiency, greatly save labor, lower reject ratio, reduce product cost, and achieve win-win between a client and a supplier.

The invention discloses a radial double split foil winding and a winding method thereof. A first wire outlet copper bar and a second wire outlet copper bar of the winding are positioned on the inner side of the winding; a first-layer copper foil is welded on the first wire outlet copper bar, a first-layer insulation material is coated on the inner side of the first-layer copper foil; a second-layer copper foil is welded on the second wire outlet copper bar; a second-layer insulation material is coated on the inner side of the second-layer copper foil; and the first-layer copper foil and the second copper foil are arranged at an interval. During winding, the first wire outlet copper bar and the first-layer copper foil are wound on a winding former simultaneously; when a semicycle of the inner diameter of the winding is formed, the second-layer copper foil is placed on the inner side of the first-layer insulation material and is wound simultaneously; and the winding method is simple andconvenient and contributes to realizing mechanization of the winding process of the winding. The obtained winding is low in brow leakage, small in axial force and strong in short circuit bearing capacity during short circuit; and turn-to-turn capacitance of the winding along the winding is distributed uniformly, and impulse overvoltage stability of the winding is enhanced.

The invention discloses an endoscopic esophageal variceal ligation apparatus which comprises a ligation outer tube and an endoscope connecting base. The ligation outer tube is in a cone shape of which the front part is thin and the rear part is thick; a ligation inner tube is arranged in the ligation outer tube; the front end of the ligation inner tube is in sealing connection with the front end of the ligation outer tube; the rear end of the ligation inner tube is connected with a negative pressure suction tube; a plurality of positioning holes are distributed at an equal interval front and back on the side wall of the ligation outer tube; a positioning pin is arranged in each positioning hole; a pulling ring is arranged at the inner end of each positioning pin; the pulling rings of a plurality of positioning pins are fixedly connected with a stay wire; the ligation outer tube is sleeved with rubber rings of which the number is equal to that of the positioning pins; each rubber ring is respectively limited by one positioning pin to be prevented from sliding forwards by the self. The endoscopic esophageal variceal ligation apparatus has a simple, small and compact structure, can be used for continuously carrying out ligation and is high in efficiency; the endoscopic esophageal variceal ligation apparatus is convenient and rapid to operate and works stably and ligation success efficiency is improved; moreover, the esophageal wall cannot be contused, so that pain of a patient is reduced and the infection risk is reduced.

The invention provides a precision controllable linear driver comprising a base, a mover part and at least one drive member. The base is provided with a first cavity allowing relative movement of the mover part and a second cavity used for holding the drive members. The mover part comprises two outer end parts and a middle part; the outer end parts are detachably and rigidly connected with or integrated to the middle part; the mover part is made of permeability magnetic material; magnetic circuit structures in mutual action are formed between the drive members and the mover part. The invention further provides a combined precision controllable linear driver based on the precision controllable linear driver. The precision controllable linear driver and its combination are simple in structure and light in weight and meet the need of the modern industry for precision control drive equipment.

A pulse transformer comprises a first core body, wherein the first core body is provided with a plurality of electrodes, multiple winding wires wind around the first core body and are connected with corresponding electrodes to form multiple windings, the multiple windings are in corresponding wiring connection with PCB (printed circuit board) welding plates, and accordingly, the characteristics of a transformer product are obtained due to combination with the PCB welding plates; one part of the multiple windings are connected with the corresponding PCB welding plates to form primary windings, and the other part of the multiple windings are connected with the corresponding PCB welding plates to form secondary windings. The invention further discloses a corresponding manufacturing method of the pulse transformer. The pulse transformer is simple to manufacture and has remarkable advantages of avoidance of lead crossing and prevention of poor voltage resistance.

The invention discloses a dry yarn winding forming method for a pressure container. The method comprises the following steps: 1. carrying out outer surface treatment on an inner container of the pressure container, namely coating an adhesive uniformly on the outer surface of the inner container of the cleaned pressure container; 2. carrying out dry yarn winding forming, namely winding on the outer surface of the inner container of the pressure container in a winding mode of alternative longitudinal winding and hoop winding, and carrying out continuous transition between the longitudinal winding and hoop winding under the condition that fibers are not cut off; 3. carrying out loose-proof strapping treatment on the port of a dry yarn winding forming body; 4. carrying out spraying forming treatment on a protective layer at the surface layer of the dry yarn winding forming body; and 5. placing and solidifying at room temperature. The dry yarn winding forming method for the pressure container provided by the invention has the advantages of reasonable design, simplicity and convenience in operation, convenience in control and good winding forming effect; and because an impregnation process and a solidifying process link are omitted, a plurality of practical problems, such as complex forming technology, longer production cycle, higher cost, no large scale of industrial production andthe like, of the existing winding forming process can be solved effectively.

A double-splitting photovoltaic variable structure comprises a barrel-shaped high-voltage coil (1) and a first low-voltage coil (2.1) and a second low-voltage coil (2.2) which are located in the high-voltage coil (1), the first low-voltage coil (2.1) and the second low-voltage coil (2.2) are axially arranged, a gap is formed between the first low-voltage coil (2.1) and the second low-voltage coil (2.2) in the axial direction, the first low-voltage coil (2.1) is provided with a first conductive copper bar (3.1), and the second low-voltage coil (2.2) is provided with a second conductive copper bar (3.2); the double-splitting photovoltaic variable structure further comprises a first transposition copper bar (3.3) and a second transposition copper bar (3.4) which are internally embedded in the low-voltage coils, and the two ends of the first transposition copper bar (3.3) and the two ends of the second transposition copper bar (3.4) are welded to the first low-voltage coil (2.1) and the second low-voltage coil (2.2) respectively.

The invention discloses a three-axis magnetic field coil suitable for an atomic spin gyroscope. According to the three-axis magnetic field coil, the problems that the traditional coil is poor in magnetic consistency and uniformity, single in direction and the like are solved. The three-axis magnetic field coil comprises a magnetic shielding tube, a cylindrical or rectangular hollow framework mounted in the magnetic shielding tube as well as a coil body winding the side face of the hollow framework; the coil body comprises a transverse coil and a longitudinal coil; the transverse coil is parallel to the bottom surface of the hollow framework, is circular-arc-shaped or a rectangular, and can generate a uniform magnetic filed in the Z-axis direction; the longitudinal coil is perpendicular to the bottom surface of the framework and is linear; uniform magnetic fields in the X-axis direction and the Y-axis direction can be generated by changing the direction of coil current. According to the three-axis magnetic field coil disclosed by the invention, the uniform magnetic fields which are independent to one another in the X-axis, Y-axis and Z-axis directions can be generated; the magnetic field in the Z-axis direction is a constant magnetic field B required by the working of the atomic spin gyroscope; the magnetic fields in the X-axis direction and the Y-axis direction can be used for offsetting magnetic field disturbance generated by the outside; the three-axis magnetic field coil is very suitable for the atomic spin gyroscope.

The invention relates to a motor, in particular to a two-stator convolved in a radial winding way. The two-stator is staggered from a special angle of the motor and forms a specific structure through coaxial arrangement with rotors, so that stator loops can be convolved with relatively a small amount of materials and a simple winding way, and the purpose of saving winding time and material is achieved.