11results about How to "Reduce connection points" patented technology

The invention discloses a piston pump and a clothes processing device, the piston pump comprises a pump body, a piston and a driving assembly, the pump body is of an integrated structure, and the pump body is provided with a piston cavity; the piston is arranged in the piston cavity in a reciprocating sliding mode in the axial direction of the piston cavity. The driving assembly is connected to the pump body, and part of the driving assembly extends into the piston cavity so as to drive the piston to slide in a reciprocating mode. The pump head is connected to the pump body and provided with a liquid outlet and a liquid inlet which are both communicated with the piston cavity. The pump body is of the integrated structure and is provided with the piston cavity, connecting points can be reduced, and therefore possible leakage points and fault points are reduced, the pump body can bear longer-time use, and the stability and reliability of the whole structure of the piston pump are improved. And one part of the pump body is used as a mounting part of the driving assembly, so that the number of parts of the piston pump is reduced, and the assembly process is simplified.

The utility model provides a portable modularized nitrogen making machine. The portable modularized nitrogen making machine comprises a gas inlet seat and a gas outlet seat, wherein the gas inlet seat and the gas outlet seat are respectively provided with a gas inlet channel and a gas outlet channel; the air inlet end and the air outlet end of the adsorption module are respectively communicated with the air outlet end of the air inlet channel and the air inlet end of the air outlet channel; the first connecting piece is detachably arranged at the air inlet end of the air inlet channel in a sealing manner; the second connecting piece is detachably arranged at the air outlet end of the air outlet channel in a sealed mode. Pipeline connection among a compressed air pipeline, an air inlet channel and an air inlet control valve is achieved through a first input channel, a first output channel and a first control cavity which are integrally integrated in a first connecting piece. And the second input channel, the second output channel and the second control cavity which are integrally integrated in the second connecting piece realize pipeline connection among the nitrogen pipeline, the gas outlet channel and the gas outlet control valve, so that the number of pipe fittings required by the nitrogen making machine is greatly reduced, rapid installation of the gas pipeline of the nitrogen making machine is realized, the production efficiency is improved, and the production cost is reduced. And connection points of gas pipelines can be reduced, and the gas leakage risk is reduced.

The underwater propeller comprises an outer cylinder, two or more propelling units are coaxially arranged in the outer cylinder in series in the water flow direction, each propelling unit comprises a cylindrical stator located on the outer ring, a cylindrical rotor is rotationally assembled in the stator through bearings arranged at the two ends, and impeller blades are arranged on the inner wall of the rotor; the outer side of each impeller blade is fixed to the inner wall of the rotor, a permanent magnet is attached to the outer wall of the rotor, coils are distributed on the inner wall of the stator and are coreless coils, and the number of turns of the coils of each propelling unit is sequentially reduced from the water inlet end to the water outlet end. The coil is a coreless coil, the coreless coil eliminates iron loss, and under the condition of the same thrust, the needed current is smaller, more electricity is saved, and the efficiency is higher.

The invention relates to a novel integrated insulator capable of live working and an installation method thereof, and belongs to the technical field of insulators. According to the technical scheme, a lower base is arranged at the top of an insulator body, a lower groove is formed in one end of the lower base, a threaded block is arranged at the other end of the lower base, the middle of a gland is hinged to the lower base, an upper groove is formed in one end of the gland, and the upper groove and the lower groove vertically correspond to each other to form a wire pressing groove; the lower portion of the operation screw is in threaded connection with the threaded block, an operation ring is arranged at the bottom of the operation screw, the upper portion of the operation screw is movably connected to the driven block, a compression spring is arranged on the operation screw between the lower base and the gland, and the outer side faces, where the upper groove of the gland and the lower groove of the lower base are located, of the gland are both wrapped with buffering gaskets. Live-line work operation can be carried out manually or by using a live-line work robot, the operation is simple, the operation safety is improved, the problem that a wire insulating layer is damaged by induction current heating is solved, and meanwhile the windproof and lightning protection performance is good.

The utility model discloses two -way three -way solenoid valve of integrated one -way valve component, including first valve body and second valve body, and first valve body includes import, export and valve cavity, is equipped with first valve port in the valve cavity, second valve body includes on -off module, and on -off module includes electromagnetic assembly and one -way valve component, wherein, electromagnetic assembly includes electromagnetic coil, core pipe and magnetic core, and electromagnetic assembly on -off electricity control first valve port's opening and closing, and one -way valve component includes valve sleeve and check piece, and the one -way flow channel is arranged between valve sleeve exhaust port and exhaust port, and check piece sets up in one -way flow channel, and according to the pressure in -line of one -way flow channel, exhaust port is conducted or closed. The utility model discloses two -way three -way solenoid valve, integrated electromagnetic assembly and one -way valve component, through above -mentioned electromagnetic force drive, mechanical limit and the synergies of fluid pressure balance, realize the accurate control and prevent reverse flow of water flow and steam path.

The invention relates to a material receiving device and a material receiving method for preparing a carbon nano tube, and belongs to the technical field of carbon nano tube aggregate preparation and high-temperature chemical process equipment. The invention provides a material receiving device for preparing a carbon nano tube. The material receiving device mainly comprises a bin body, and a clean gas chamber, a dirty gas chamber and other structures which are arranged in the bin body. The invention aims to overcome the defects in the prior art and provides an integrated material receiving device special for preparing the carbon nanotube aggregate under the conditions of high temperature and high flow. According to the invention, a low-efficiency multi-stage series connection mode with potential safety hazards is abandoned, cooling, filtering, unloading and safety monitoring functions are integrated in a single pressure container through a highly integrated design, and continuous, safe and efficient material receiving under the protection of a fully-closed inert atmosphere in the whole process is realized.

The application provides a urea nozzle cooling system, an engine assembly and a vehicle, and belongs to the technical field of engines, and comprises a water pump and a urea nozzle assembly; the water pump is connected to the outer wall of an engine, a liquid taking pipe and a pumping pipe are connected to the water pump, and the liquid taking pipe is connected to the bypass outlet of the cooling liquid of the engine; the urea nozzle assembly is connected to the exhaust manifold of the engine and connected to the pumping pipe, a liquid returning pipe is connected to the urea nozzle assembly, and the liquid returning pipe is connected to the bypass inlet of the cooling liquid beside the bypass outlet of the cooling liquid. The urea nozzle cooling system provided by the application connects the liquid taking pipe and the liquid returning pipe to the pumping pipe through integrated supports to form an integrated pipeline, and arranges the bypass outlet of the cooling liquid and the bypass inlet of the cooling liquid close to each other, so that the length of the pipeline can be shortened, the integrated pipeline can be connected to the engine with the help of at least one integrated support, the difficulty of disassembly and maintenance can be reduced, and the integration and light weight of the overall structure of the engine are promoted.

This utility model discloses a commutation busbar for GIS (Gas-Insulated Switchgear), comprising a housing, two basin-type insulators, and six L-shaped conductors. Different combinations of L-shaped conductors are used to achieve different connection methods between the first and second basin-type insulators. The connection methods include: 1) the first R terminal is connected to the second R terminal via the first L-shaped conductor, the first S terminal is connected to the second S terminal via the second L-shaped conductor, and the first T terminal is connected to the second T terminal via the third L-shaped conductor; 2) the first R terminal is connected to the second R terminal via the fourth L-shaped conductor, the first S terminal is connected to the second T terminal via the fifth L-shaped conductor, and the first T terminal is connected to the second S terminal via the sixth L-shaped conductor. The commutation busbar of this utility model has a simple structure, occupies little space, and has high assembly efficiency.

The present application relates to a method and device for filling redundant metal in a chip, a chip and a semiconductor device. The method comprises: dividing each metal layer of a chip comprising a plurality of metal layers into a plurality of regions; selecting, from the plurality of regions of each metal layer, a region requiring addition of redundant metal as a to-be-filled region based on a layout of each metal layer after routing; determining whether each to-be-filled region of an adjacent metal layer overlaps in a thickness direction of the metal layer; in response to no overlap, performing interdigital redundant metal filling on the to-be-filled region of each metal layer respectively; in response to an overlap, connecting the to-be-filled regions of adjacent layers by a via, and performing interdigital redundant metal filling on one of the plurality of to-be-filled regions having the overlap, and performing floating metal filling on the remaining to-be-filled regions of the plurality of to-be-filled regions having the overlap. The present application significantly improves the capacitance value and the utilization rate of redundant metal in a limited space.

This utility model discloses a crossbeam and M-shaped water trough combination structure and a rooftop photovoltaic power station, solving the problem that the weak flange structure of the existing M-shaped water trough is easily deformed by the pressure plate during installation and stepping. The crossbeam and M-shaped water trough combination structure includes an M-shaped water trough that is vertically and intersectingly fixed above a crossbeam. The M-shaped water trough includes side walls on both sides of the transverse direction, a recess in the middle of the transverse direction, and flanges extending outward from the bottom of the side walls. A crossbeam is provided above the M-shaped water trough at the position corresponding to the crossbeam. The crossbeam includes a crossbeam part supporting the top of the M-shaped water trough, two lateral parts corresponding to the outer sides of the two side walls of the M-shaped water trough, and a pressing edge pressed onto the flange. Fasteners are provided between the pressing edge and the flange.

The utility model provides a soft package lithium battery for a light electric vehicle, which comprises a shell and a soft package module positioned in the shell, the shell comprises an upper shell and a lower shell which are mutually covered, the soft package module comprises a plurality of soft package battery cells which are sequentially stacked, and the adjacent soft package battery cells are bonded and connected through double-sided foam; the top surface of each soft package battery cell is provided with a battery cell tab, an epoxy plate is padded above the battery cell tab, a sampling plate is arranged above the epoxy plate, a protection plate is arranged above the sampling plate, the epoxy plate and the sampling plate are respectively provided with a mounting hole for the battery cell tab to pass through, and each soft package battery cell is welded and connected with the sampling plate through the battery cell tab. According to the PACK structure technology, a support and an inner container are omitted, the soft package module is directly arranged in the lower shell, material use and machining procedures can be reduced, the production technology is simplified, cost is reduced, and production efficiency is improved; and the size is optimized, so that the size of the battery PACK is more compact, the volume is reduced, and the energy density is improved.