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46results about How to "Fully assembled" patented technology

Ordered mesoporous metal oxide material with ultra-large aperture and preparation method thereof

The invention belongs to the field of advanced nano-sized porous materials and techniques, in particular relates to an ordered mesoporous metal oxide material with ultra-large aperture and a preparation method thereof. According to the invention, a block copolymer with ultrahigh-molecular-weight hydrophobic segments is used as a template agent for the mesoporous material, and based on the principle of ligand-assisted self-assembly, the microphase separation of the ultrahigh-molecular-weight hydrophobic segments from hydrophilic phases occurs during the solvent evaporation process, to form an ordered mesoscopic structure. A variety of materials are used for synthesizing the mesoporous material, such as titanium dioxide, aluminum oxide and zinc oxide. The synthesized mesoporous material retains the order of mesopores and has an extremely large aperture not less than 20 nm. The invention provides an effective and convenient method for synthesizing ultra-large aperture mesoporous materials. The material and the synthesis method of the material have wide application prospect in various fields. The method is simple, has easily-available raw materials, and is suitable for large-scale production.
Owner:FUDAN UNIV

Hoisting system for installing a wind turbine

A hoisting system for the installation of a wind turbine wherein said hoisting system comprises measures to achieve a load bearing connection to the tower of the wind turbine and comprises measures to move the hoisting system up and down along the tower wherein the hoisting system, when it is fixed to an already installed part of the wind turbine tower with said load bearing connection, is arranged to install or remove any of a tower segment, a nacelle, a generator, a hub, and a blade in one or more combined hoists or in a single hoist.
Owner:LAGERWEY WIND BV

Spring loaded spacer

A spring loaded spacer for fastening components and control units with touch control face plates or panels wherein the spacer has a barrel portion having at one end means for connecting the spacer to a chassis or the like and at its other end a shank for connecting it to one or more printed circuit boards and / or components or the like, wherein a spring loaded shank is seated within the barrel and is adapted to receive one or more printed circuit boards under tensioned engagement.
Owner:RICHCO

Mounting method for pure board structure assembled house

The invention discloses a mounting method for a pure board structure assembled house. The method includes the following steps that (1) foundation treatment is performed; (2) connecting members, compound wall boards and floor boards are selected and machined; (3) the corresponding connecting members are used for bolted fixed connection with ground ring steel beams; (4) lower-layer vertical face wall bodies are in bolted connection with the connecting members on the ground ring steel beams one by one; (5) the connecting members on the upper portions of the lower-layer vertical face wall bodies are in bolted fixed connection; (6) the upper layers of floor boards are in bolted connection with and fixed to the connecting members arranged in the step (5); and (7) the steps are repeated to perform building upwards in sequence till the top layer of floor board is installed and house top sealing is completed. By means of the mounting method for the pure board structure assembled house, rapid and complete assembly and disassembly of the assembled house can be achieved through a firm connection method and a rapid pure board structure connection mode, and the problem of poor integrality of the assembled house is solved.
Owner:丁献忠

Unilateral prestress all-assembling type self-resetting steel frame joint

The invention discloses a unilateral prestress all-assembling type self-resetting steel frame joint which comprises an H-shaped steel column, an H-shaped steel beam, an energy consuming part and a connecting part. The connecting part comprises an end plate, groove-type connectors, prestress steel strands and an anchorage plate. The end plate is hinged to a flange plate of the H-shaped steel column; the end of a flange plate of the H-shaped steel beam is connected with the end plate through the energy consuming part; the groove-type connectors are symmetrically arranged on the two sides of a web plate of the H-shaped steel beam; and the two ends of the prestress steel strands are anchored on the anchorage plate and the groove bottoms of the groove-type connectors. The unilateral prestress all-assembling type self-resetting steel frame joint does not have to penetrate through a core and can not weaken a column body. The unilateral prestress all-assembling type self-resetting steel framejoint is fixed into the H-shaped steel beam, and avoids additional bending moments generated by the prestress steel strands to the steel column. All assembling is achieved, and joint parts are conveyed to a site after prefabricated in a factory to be directly assembled, so that labor cost is lowered, and the dangerousness of high-altitude operation is lowered.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY +1

Convenient-to-repair fabricated steel structure beam-column joint connection structure and fabricating method thereof

The invention discloses a convenient-to-repair fabricated steel structure beam-column joint connection structure and a fabricating method thereof. The convenient-to-repair fabricated steel structure beam-column joint connection structure comprises an H-shaped steel column, an H-shaped steel energy-consuming beam segment and an H-shaped steel ordinary beam segment, the H-shaped steel column is fixedly connected with the H-shaped steel energy-consuming beam segment through a T-shaped connecting part, an upper flange of the H-shaped steel energy-consuming beam segment and an upper flange of the H-shaped steel ordinary beam segment are fixedly connected through an upper flange connecting plate, a lower flange of the H-shaped steel energy-consuming beam segment and a lower flange of the H-shaped steel ordinary beam segment are fixedly connected through a lower flange connecting plate, and a web of the H-shaped steel energy-consuming beam segment and a web of the H-shaped steel ordinary beamsegment are fixedly connected through a web connecting plate. Destroying possibly occurring in a column or joint area is transferred and limited in the locally replaceable H-shaped steel energy-consuming beam segment, by utilizing plastic deformation energy consumption of the H-shaped steel energy-consuming beam segment, the purpose of protecting the column and a joint can be achieved, and afteran earthquake, the anti-seismic toughness and the use function of the structure can be quickly restored only by replacing the locally damaged beam segment.
Owner:CHANGAN UNIV

Antistatic flame-retardant casein-based graphene composite fabric and preparation method thereof

The invention particularly relates to an antistatic flame-retardant casein-based graphene composite fabric and a preparation method thereof. The preparation method comprises: preparing graphene oxide(GO) by using an improved Hummers method, and preparing a GO solution to make the GO solution be negatively charged; dissolving casein with a caprolactam-modified acid to make the casein be positivelycharged; and introducing the nanoparticle graphene into the casein matrix by using a layer-by-layer self-assembly method to prepare an antistatic flame-retardant casein-based GO composite fabric, andreducing with NaBH4 to obtain the antistatic flame-retardant casein-based graphene composite fabric. According to the present invention, the prepared antistatic flame-retardant casein-based graphenecomposite fabric has the improved antistatic property and the improved flame retardant property, and is expected to be applied in the fields of leather, food, papermaking and the like.
Owner:SHAANXI UNIV OF SCI & TECH

Floatable transportation and installation structure for transportation and installation of a floating wind turbine, a floating wind turbine and method for transportation and installation of the same

The present invention relates to a floatable transportation and installation structure for transportation and installation of an essentially fully assembled and erected floating wind turbine, wherein said transportation and installation structure is comprising securing means for detachably and temporarily securing the floatable transportation and installation structure to the erected floating wind turbine in such a way that the floating wind turbine is stabilized and can be moved by moving the transportation and installation structure.Further, the invention relates to a floating wind turbine comprising securing counter means connectable to securing means of a floatable transportation and installation structure according to the before mentioned kind and to a method of transportation and installation of such a floating wind turbine.
Owner:MECAL WIND TURBINE DESIGN

Automatically assembling device for rotary switch contact piece

The invention relates to the field of automatically assembling machines, more particularly to an automatically assembling device for a rotary switch contact piece. The automatically assembling devicecomprises a work bench, a circular rotating disk assembly, a standing column loading assembly, a standing column assembling assembly, a contact block loading assembly, a touch block assembling assembly, a pressing assembly and a blanking assembly. The circular rotating disk assembly consists of a power assembly, a first rotating shaft and a working turntable; the first rotating shaft is arranged in the middle of the work bench and is in a coupling relationship with the work bench; and the working turntable is arranged at the top of the work bench. The power assembly is arranged at the bottom of the first rotating shaft; a first detection assembly and a second detection assembly are arranged at the sides of the standing column loading assembly and the contact block loading assembly respectively; the standing column assembling assembly, the first detection assembly, the contact block assembling assembly, the second detection assembly, the pressing assembly, and the blanking assembly arearranged around the working turntable at the periphery of the work bench successively in a counter-clockwise direction; the standing column loading assembly is arranged at the side of the standing column assembling assembly; and the contact block loading assembly is arranged at the side of the touch block assembling assembly. Therefore, the assembling efficiency of the touch piece is improved.
Owner:浙江兴越缝制设备有限公司

Novel fully-fabricated concrete profile steel frame joint and construction method thereof

PendingCN109372130AGood shock resistanceStrong structural integrityStrutsPillarsEngineeringPre embedding
The invention relates to a novel fully-fabricated concrete profile steel frame joint and a construction method thereof. The novel fully-fabricated concrete profile steel frame joint comprises a vertically-arranged prefabricated concrete column, a rectangular vertical steel pipe is pre-embedded in a joint area of the prefabricated concrete column, pieces of horizontal H-shaped steel are welded to the two sides of the vertical steel pipe correspondingly, triangular stiffening ribs are arranged at the junctions of flange plates of the horizontal H-shaped steel and the column wall of the verticalsteel pipe, and a plurality of through holes are formed in web plates of the end, close to the vertical steel pipe, of the horizontal H-shaped steel; a plurality of column stirrups surrounding the vertical steel pipe is arranged in a mode of penetrating through the through holes; and the ends, away from the vertical steel pipe, of the horizontal H-shaped steel are in bolted and welded connection with beam-end H-shaped steel pre-embedded at prefabricated concrete beams. The novel fully-fabricated concrete profile steel frame joint is creatively put forwards, and is good in anti-seismic performance, high in structure integrity, concise and attractive in design, and convenient to assemble on site.
Owner:HEFEI UNIV OF TECH +1

Assembled type steel structure concrete external wall panel and node and construction method of node

PendingCN110777994ALess welding workReduce high-altitude welding operationsWallsKeelArchitectural engineering
The invention discloses an assembled type steel structure concrete external wall panel and a node and a construction method of the node. The method comprises the following steps of 1) preparing the assembly node in an assembled type steel structure steel beam; 2) preparing the light-weight concrete external wall panel with a hook embedded part and a curtain wall main keel embedded part; 3) weldinga curtain wall main keel and the curtain wall main keel embedded part, a hook and the hook embedded part; and 4) hanging the light-weight concrete external wall panel with the curtain wall main keelon a fixed clamping plate and a fixed angle steel. According to the assembled type steel structure hook type light-weight concrete external wall panel with the composite curtain wall main keel, the on-site welding operation is less, the high-altitude welding operations is reduced, the full assembly of the construction is realized, at the same time, compared with the traditional connection method,the structure is simple, the installation speed is greatly increased, the construction efficiency is high, and the bearing capacity is greatly improved.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1

Dual-purpose detonating device for detonating perforating gun

The invention relates to a dual-purpose detonating device for detonating a perforating gun, which is characterized by comprising an upper body, a piston component, a lower body and a detonating component, wherein the upper body and the lower body are fixedly connected through screws; the piston component and the detonating component are sequentially arranged in a through hole; a nailhead end of a ramming piston of the piston component is arranged in the upper body and in the through hole matched with the nailhead end, and the nail point end thereof is arranged in a axle center through hole of a pin striking seat of the detonating component; three steps are arranged in the through hole formed by the upper body and the lower body; a pressure piston sleeve is clamped between two middle steps; the width of each step is equal to the thickness of the pressure piston sleeve; and the detonating component is connected with the step at the bottom of the lower body. The detonating device provided by the invention, which is suitable for tubing conveyed perforating operation of an oil and gas well, has the advantages of compact structure, complete assembly, and reliable function, has two-path detonating functions of rod throwing and pressurizing, and integrates the efficacy of striking detonating and wellhead pressurizing detonating.
Owner:WUHUA ENERGY TECH CO LTD

Face shield and method of making the same

A method of making a face shield using a bar tack stitch to join a face shield lens to a backing. The backing may be a headband or the combination of the headband and a cushion. The lens and the optional cushion may be joined together and then the lens may be stitched to the cushion and the headband. A bar tack stitch may be used to join the backing and lens together. Stitching the lens to its backing produces a novel face shield with high quality structural integrity that can be made quickly and cost effectively to eliminate limitations associated with bonded face shield lenses and removable joined face shield lenses.
Owner:LIFETHEREAL LLC

Prefabricated large-span triangular steel truss structure

The invention discloses a prefabricated large-span triangular steel truss structure, comprising a first upper chord circular tube, a second upper chord circular tube, a lower chord circular tube, first inclined web member units, second inclined web member units and upper chord connecting rods, wherein the upper chord connecting rods, which are continuously distributed at intervals, are arranged between the first upper chord circular tube and the second upper chord circular tube; the first inclined web member units and the second inclined web member units are arranged among the first upper chord circular tube, the second upper chord circular tube and the lower chord circular tube, wherein the first inclined web member units are continuously distributed at intervals, and the second inclinedweb member units are arranged adjacent to the first inclined web member units; the first upper chord circular tube and the upper chord connecting rods are fixed with the first inclined web member units and the second inclined web member units respectively by means of hoops and connecting plates welded on the hoops, the second upper chord circular tube and the upper chord connecting rods are fixedwith the first inclined web member units and the second inclined web member units respectively by means of the hoops and the connecting plates welded on the hoops, the lower chord circular tube is fixed with the first inclined web member units and the second inclined web member units separately by means of a hoop and a connecting plate welded on the hoop, so that the assembly of the structure is realized; welding does not need to be performed in a construction site, so that manpower and material resources are saved, the assembling efficiency is increased, the construction period is shortened,and the economic benefit is improved.
Owner:科顿环境科学股份有限公司

Integral assembly type frame structure house

The invention discloses an integral assembly type frame structure house, which comprises a base, a cross beam, stand columns, a central joint and a wallboard, wherein the base is connected with the stand columns in the vertical direction, and the base is connected with the cross beam in the horizontal direction; the central joint is connected with two adjacent upright posts in the vertical direction; the portions, located between a base plate and a bottom plate, of the studs are sleeved with fine adjustment nuts and gaskets, a lower supporting part is fixed on the lower surface of a lower ironsheet; iron sheets are welded at the two ends of the stand column respectively; a plurality of screw rods used for being embedded into the base cover plate connecting holes or the center joint mounting through holes are fixed to the iron sheets, the cross beam is composed of I-shaped steel and cross beam connecting pieces fixed to the two end faces of the I-shaped steel, and a plurality of crossbeam mounting holes corresponding to the base mounting holes or the center joint mounting through holes are formed in the cross beam connecting pieces respectively. Through the arrangement of the mounting plate and the reinforcing rib beams, the stability and strength of the bottom structure of the house are improved, and therefore the overall strength and stability of the house are guaranteed.
Owner:朗世坤成房屋科技有限公司

One-way valve assembling and detecting machine

The invention discloses a one-way valve assembling and detecting machine. The one-way valve assembling and detecting machine comprises a one-way valve to be assembled, an assembling rotating disc, a water outlet end assembling and detecting mechanism, a rubber sleeve assembling and machining mechanism, a water inlet end assembling and detecting mechanism, a secondary press fitting mechanism, a pressure starting and leakage detecting mechanism and a finished product collecting mechanism, wherein the assembling rotating disc, the water outlet end assembling and detecting mechanism, the rubber sleeve assembling and machining mechanism, the water inlet end assembling and detecting mechanism, the secondary press fitting mechanism, the pressure starting and leakage detecting mechanism and the finished product collecting mechanism are sequentially arranged. The one-way valve assembling and detecting machine has the beneficial effects that the assembling process of the one-way valve is divided into the process in which three portions, namely a water outlet end, the rubber sleeve and the water inlet end, of the one-way valve are assembled and detected, so that automatic assembling of the one-way valve is realized, the working efficiency is improved, meanwhile, the high labor cost expenditure is reduced, the pressure starting and leakage detecting mechanism is arranged to be used for performing quality detection on the assembled one-way valve, it is guaranteed that the quality of a product meets the delivery requirement, and the quality of the machining technology is improved.
Owner:SUZHOU TONGJIN PRECISION IND

Auxiliary jig used for manipulator

The invention provides an auxiliary jig used for a manipulator. By means of the auxiliary jig, the manipulator can conveniently grab a part, so a product is completely assembled, and quality of the product is guaranteed. The auxiliary jig comprises an installation plate, wherein an insertion hole is formed in the installation plate. The auxiliary jig is characterized by further comprising a support and an ejection structure. The support comprises supporting blocks and a bottom plate, and the supporting blocks are vertically installed on the two transverse sides of the bottom plate. The two transverse sides of the installation plate are fixed to the two supporting blocks of the support, and the insertion hole is a penetration hole penetrating through the installation plate. The ejection structure comprises an ejection plate and a lifting drive device, the lifting drive device is installed on the bottom plate, the ejection plate is fixedly connected with the output end of the lifting drive device, the ejection plate is located under the installation plate and is provided with an ejection pin right corresponding to the insertion hole, and the ejection pin moves upwards and downwards in the insertion hole under the drive of the lifting drive device.
Owner:WUXI MATEX PRECISION

Assembly type double-sleeve self-resetting energy dissipation steel support with SMA cable

The invention discloses an assembly type SMA self-resetting energy dissipation steel support which fully utilizes the hyperelasticity characteristic of an SMA material, and in the pulling and pressing reciprocating motion process of the support, a sleeve generates relative motion, so that an SMA cable is always kept to be pulled, the SMA cable continuously provides resistance rigidity for the support, and residual deformation is not generated after the support is unloaded; meanwhile, pre-tightening force is applied to the high-strength bolts, so that friction force generated by the friction surface is increased, and the energy dissipation capacity of the supporting friction energy dissipation system is further improved; the supporting structure is simple in assembling procedure, full-assembly installation can be achieved, the supporting installation and replacement efficiency is improved, and the supporting structure has stable lateral stiffness resistance and good energy dissipation capacity, is suitable for being used as a main lateral force resistance and energy dissipation component of an anti-seismic structure and has wide engineering application prospects in earthquake-prone areas; and meanwhile, the support can be rapidly installed and replaced, has the potential of integration of production, assembly and installation industries, and also has wide prospects in the field of green building assembly.
Owner:CHONGQING UNIV

Novel assembly type self-resetting buckling restrained brace device with SMA (Shape Memory Alloy)

The invention provides a novel assembly type self-resetting buckling restrained brace device with SMA (Shape Memory Alloy). According to the self-resetting system of the device, the SMA cable material is pulled no matter the whole structure is pressed or pulled, so that considerable self-resetting performance is provided for the structure. An energy consumption system of the device enables the whole structure to have excellent energy consumption performance. Therefore, when the whole structure is applied to engineering through an external connecting system, the anti-seismic function that a building structure is not damaged in small earthquakes and medium earthquakes and can be replaced in large earthquakes can be achieved, it is guaranteed that a building only generates small residual deformation, and meanwhile the excellent energy dissipation performance is achieved; and the requirements of rigidity, energy consumption and bearing capacity in the design of a normal use limit state and a bearing capacity limit state of a building structure can be met.
Owner:CHONGQING UNIV

Dual-purpose detonating device for detonating perforating gun

The invention relates to a dual-purpose detonating device for detonating a perforating gun, which is characterized by comprising an upper body, a piston component, a lower body and a detonating component, wherein the upper body and the lower body are fixedly connected through screws; the piston component and the detonating component are sequentially arranged in a through hole; a nailhead end of a ramming piston of the piston component is arranged in the upper body and in the through hole matched with the nailhead end, and the nail point end thereof is arranged in a axle center through hole of a pin striking seat of the detonating component; three steps are arranged in the through hole formed by the upper body and the lower body; a pressure piston sleeve is clamped between two middle steps; the width of each step is equal to the thickness of the pressure piston sleeve; and the detonating component is connected with the step at the bottom of the lower body. The detonating device provided by the invention, which is suitable for tubing conveyed perforating operation of an oil and gas well, has the advantages of compact structure, complete assembly, and reliable function, has two-path detonating functions of rod throwing and pressurizing, and integrates the efficacy of striking detonating and wellhead pressurizing detonating.
Owner:WUHUA ENERGY TECH CO LTD

Design method of excavation-free assembly type stereo garage foundation structure

The invention discloses a design method of an excavation-free assembly type stereo garage foundation structure. The method is characterized by comprising the following steps that the load of a central inner ring of a stereo garage is set as A, the load of a middle inner ring is set as B, and the load of an outer ring is set as C; stand columns in each ring of the stereo garage are sequentially labeled as 1, 2, 3 and so on according to the clockwise direction; the component internal force, the dead-load maximum deflection and the live-load maximum deflection of the stereo garage foundation structure are subjected to checking calculation; thw bolt shear bearing capacity and the internal force at a node unit are subjected to checking calculation; a precast concrete plate is checked, and an adjustable support base is checked. When the stereo garage is applied, no excavation is needed, the stereo garage is suitable for the ground different in flatness, and the disassembly is convenient.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Space-saving combined desk, bed, bookshelf stepping device and using method

The invention discloses a space-saving combined desk, bed, bookshelf stepping device and a using method. The composition comprises: a left support plate and a right support plate, the front end of theleft support plate is provided with a set of left rectangular turns, and the front end of the right support plate is provided with a set of right rectangular turns, the top of the left rectangular turn and the top of the right rectangular turn are fixedly connected through a pedal, the inner side surface of the left rectangular turn in connected to a left vertical fixed magnetic strip, and the inner side surface of the right rectangular turns connected to a right vertical fixed magnetic strip, the front end of the pedal is connected with an inverted support plate by the hinge connection, theinner left side of the inverted support plate is connected with the left vertical magnetic strip, and the inner right side of the inverted support plate is connected with the right vertical magnetic strip, the inverted support plate supports the pedal, and the left vertical magnetic strip is sucked by the left vertical fixed magnetic strip, and the right vertical fixed magnetic strip attracts theright vertical magnetic strip for fixing. The space-saving combined desk, bed, bookshelf stepping device is used for a combined desk, bed and bookshelf ladder device.
Owner:王丹

Short-fiber rove and filament positioning collector for composite yarn spinning and application thereof

The invention provides a short-fiber rove and filament positioning collector for composite yarn spinning. The positioning collector is arranged between a front roller and a top roller of a spinning frame and comprises a first counterweight plate, a second counterweight plate, two protection blocks and two triangular stabilizing blocks; the first counterweight plate and the second counterweight plate are rectangular plates which are horizontally arranged side by side, the upper ends of the sides, away from each other, of the two counterweight plates are connected with the lower ends of the protection blocks which are correspondingly arranged at the upper portions respectively, and the lower ends of the sides, away from each other, of the two counterweight plates are connected with the upperends of the triangular stabilizing blocks which are correspondingly arranged at the lower portions respectively; the two triangular stabilizing blocks are provided with collecting grooves for filaments and cotton roves to pass through, and the first counterweight plate and the second counterweight plate move in the horizontal direction to get close to or away from each other, so that the two collecting grooves are driven to move to get close to or away from each other. The short-fiber rove and filament positioning collector for composite yarn spinning is wide in application, simple in operation, precise in regulation, high in work efficiency and capable of improving the product quality.
Owner:WUHAN TEXTILE UNIV

Burst wine cap with novel burst ring

InactiveCN104528152AReduced outer diameter sizeReduce wasteLocking devicesStress concentrationEngineering
The invention discloses a burst wine cap with a novel burst ring. The burst wine cap comprises a crown type cap, a burst inner cap, the burst ring, a wine pourer and an outer sleeve, wherein the burst ring comprises a ring body, protrusions, fixing gaps and stress concentration gaps, the stress concentration gaps are provided with easily-breaking gaps and stress pawls, the width of each protrusion is not larger than that of each stress concentration gap, the outer diameter of the burst ring is 0.1 mm -0.8 mm smaller than that of the outer sleeve, the fixing gaps are double-trapezoid recesses large in outside and small in inside, the width of each fixing gap ranges from 2.0 mm to 3.0 mm, and the thickness of the burst ring at the corresponding fixing gap ranges from 0.4 mm to 0.8 mm. The burst wine cap is wholly safe and reliable, order and attractive and convenient to produce and assemble, and working efficiency is improved.
Owner:安徽金星包装有限公司

Water pump installation structure of mop cleaning barrel

A water pump installation structure of a mop cleaning barrel comprises a barrel body, a transmission shaft, a wheel cover and a pump wheel, the pump wheel is covered with the wheel cover, and the transmission shaft penetrates through a penetrating hole in the wheel cover and then is connected with the pump wheel. The installation structure is characterized in that a step-shaped concave cavity is formed in the bottom of the barrel body, the pump wheel and the wheel cover are both arranged in the concave cavity, the opening end of the concave cavity is covered with a pump cover so that the concave cavity can form a clear water cavity, the transmission shaft upwards penetrates out of the pump cover, and a water spraying channel and a water supplementing channel which are communicated with the clear water cavity and the outside are formed in the pump cover. An inner cavity of the wheel cover is communicated with the water spraying channel in an inserted mode through a water outlet channel in the wheel cover, and the inner cavity of the wheel cover is communicated with the clean water cavity so that water can enter the inner cavity. The concave cavity is formed in the barrel body to serve as a lower shell in a traditional pump shell, one part is omitted, consumables are reduced, a pair of molds is omitted, and cost is effectively reduced.
Owner:NINGBO DERUNTANG INTELLIGENT TECH CO LTD
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