33results about How to "Structural Shape Improvement" patented technology

A buckle includes a male buckle member and a female buckle member. The male buckle member has: a male buckle body having a first coupler at a first end; a guide formed at a second end of the male buckle body and having a first guide surface; and an elastic arm formed at the second end of the male buckle body at a predetermined distance from the guide, being bendable toward the guide, and having a projection and a second guide surface. The female buckle member has: a female buckle body having a second coupler at a first end; a housing formed at a second end of the female buckle body and having a space for receiving the guide and the elastic arm; and a side hole formed to secure the projection of the elastic arm when the guide and the elastic arm are inserted in the space.

A floating energy dissipation and noise reduction device, which is composed of a noise reduction honeycomb panel, a supporting frame, and a floating body. The noise reduction honeycomb panel is arranged on the supporting frame, and the floating body is arranged under the supporting frame. Placed in the pool of the cooling tower, the distance between the lower end of the noise-reducing honeycomb panel and the water surface of the pool is 100-110 mm; the noise-reducing honeycomb panel is composed of several pieces of PVC plastic molding boards, and there are several open ends on it. Special-shaped pipes, each special-shaped pipe is provided with a collection pipe, an inclined-surface noise reduction pipe, and a curved energy-dissipating pipe from top to bottom, and multi-stage energy-dissipating grooves and shunt grooves are arranged on the curved surface energy-dissipating pipe; the supporting frame is made of several FRP I-shaped Profiles, connecting rods, and spacers are connected into a frame structure; since the device is placed in the pool of the cooling tower, the distance between the lower end surface of the noise-reducing honeycomb panel and the water surface of the pool is a constant value, which can effectively prevent the secondary noise of falling water generated, and the noise reduction effect is stable.

The invention discloses an unmanned hidden console of a railway locomotive cab. The unmanned hidden console comprises a supporting skeleton, a console base is arranged on the supporting skeleton, a driving console body is installed on the console base, and the driving console body comprises a displayer and an eave, wherein the displayer and the eave are integrally formed. Decoration plates are arranged on the two sides of the console base, a hidden rotation mechanism is arranged in the console base, and the driving console is controlled by the hidden rotation mechanism to freely switch betweenan opening state and a closing state. In this way, the unmanned hidden console of the railway locomotive cab achieves opening, holding and closing of the driving console body through the hidden rotation mechanism, the whole opening and closing operation is more convenient to control, and great convenience is brought to an operator. When the driving console body is closed, the displayer can be hidden, and the eave and the decoration plates on the two sides are integrated, the structural shape is optimized, and it is achieved that the eave and a displayer installation plate are integrally and rotationally hidden, and the unmanned hidden console is attractive and elegant in appearance.

The invention discloses a high-strength blended chair swing gear and a manufacturing method thereof, comprising the following steps: S1: designing a matching injection mold according to a pre-designed gear structure, and then processing and manufacturing the injection mold; S2: Fully mix the metal powder and the binder, and then granulate; S3: Inject the granulated mixture into a preform through an injection mold; S4: Put the preform into the extraction liquid, and remove the binder; S5: putting the prefabricated body without the binder into the sintering furnace for sintering to obtain the gear member. The high-strength blended chair swing gear and its manufacturing method provided by the present invention replace the existing aluminum die-casting or zinc die-casting manufacturing process, adopt new metal alloy powder injection molding, and greatly improve the various aspects of the swing gear. Mechanical performance, enriching the structural shape of gear parts, bringing various design styles to chair designers.

The invention discloses a pneumatic and structural feature considered three-dimensional geometric structure of a large fan connotative blade of a civil aircraft engine. The rear section of a blade profile at the root part of the large fan which is designed traditionally has a larger bent corner, a smaller acute angle is formed by a trailing edge suction surface and a hub, low-energy gas is accumulated in the acute-angle area, the flow loss is great, and the smaller acute angle between the suction surface and the hub is not beneficial to the structure modeling of the root stretching section of the blade. According to the invention, the change of an outlet metal corner of an element blade profile of the large fan connotative blade (which is the part within 20% of a blade height of the large fan blade) along the blade height is mainly optimized and a distribution curve of the outlet metal corner of a connotative blade and a projection curve of a trailing edge line in a plane vertical to the axial direction are fit. Through the verification of three-dimensional CFD (Computational Fluid Dynamics), the pneumatic and structural feature considered three-dimensional geometric structure disclosed by the invention has the advantages that the flow separation in the acute-angle area formed by the trailing edge suction surface of the fan and the hub can be effectively reduced, the fan connotative efficiency can be increased, a good entrance condition is provided for a pressure boosting grade, and the blade at the root part and the hub are relatively almost vertical, so that convenience is provided for the installation of the blade on a wheel disc.

The invention relates to the technical field of design and manufacture of a polysilicon ingot furnace, and aims to provide a thermal field structure of a moving thermal insulation ring for vertically oriented growth of polysilicon. The heat field structure includes a furnace chamber with a side-enclosed heat-insulation cage, the crucible and the heat field are placed in the heat-insulation cage, and the upper end of the heat-insulation cage is connected with the lifting device; the upper and lower sides of the heat-insulation cage The top insulation board and the lower insulation layer are respectively arranged, wherein the top insulation board is fixedly suspended on the electrode, the lower insulation layer and the heat exchange platform are fixed on the support column, the top insulation board is connected with the upper end of the heat insulation cage, and the lower The insulation layer is movably connected with the lower end of the heat insulation cage; an annular follower heat insulation ring is fixed inside the heat insulation cage through several connecting devices. The invention has a reasonable design, can increase polysilicon crystal grains, reduce grain boundaries, improve the verticality of crystal growth direction, thereby improving the quality of polysilicon ingots, and at the same time, the follower heat insulation ring also plays a role in reducing energy consumption.

The invention relates to the technical field of microelectronic packaging, in particular to a high-power crimping type IGBT packaging module. Upper cover, sub-module, gate pin, lower base, the upper cover is covered on the lower base, the sub-module is set between the upper cover and the lower base, and the gate pin is set in the groove of the insulating bottom plate in the lower base Inside. The sub-module includes a top molybdenum sheet, a chip, a bottom molybdenum sheet, a conductive silver sheet and a PBI high-performance plastic frame, and the top molybdenum sheet, a chip, a bottom molybdenum sheet and a conductive silver sheet in the groove surface of the PBI high-performance plastic frame Pressing sequentially from top to bottom, the upper surface of the top molybdenum sheet is in electrode contact with the lower surface of the upper cover, and the lower surface of the conductive silver sheet in the sub-module is crimped with the upper surface of the boss in the lower base. The invention has the advantages of simpler manufacture and assembly, better connection reliability, better heat dissipation performance and the like.

A method for 3D printing a high temperature resistant graphene-based conductive structure, and the invention relates to a method for 3D printing a conductive structure. The invention solves the problems that the existing graphene-based electrode slurry has low solid phase content and shrinks and deforms after molding, which makes the structure difficult to maintain the design shape and accuracy. Preparation methods: 1. Preparation of graphene oxide; 2. Preparation of graphene oxide / graphite 3D printing slurry; 3. Graphene oxide / graphite 3D printing molding; 4. 3D printing graphene oxide / graphite high temperature reduction. The invention is used for 3D printing a high temperature resistant graphene-based conductive structure.

The invention relates to a connection method of the hypo-side conductor of the straight line motor and the hypo-side iron core and its equipment, the hypo-side conductor of the straight line motor and the hypo-side iron core used the external pressure pattern to be fixed fixedly, the hypo-side conductor through the bolt compact installment directly fixed on the hypo-side iron core base from the out surface of the hypo-side conductor. The fix installment of the hypo-side conductor includes the hypo-side conductor, the hypo-side iron core and the base. The hypo-side conductor covers out of the hypo-side iron core. The inter surface of the hypo-side conductor cling with the base of the hypo-side iron core. The outface of the hypo-side conductor press side joint with the compaction bolt installment, and the compaction bolt installment fixed on the base of the hypo-side iron core.

The invention discloses a high-efficiency dust-removing and dust-filtering device for a sweeping-suction type sweeper, which is characterized in that it is composed of a sweeping-suction system, a three-stage filtering system and a dust-removing device outlet system; the sweeping-suction system consists of a main brush (1) and a collector A dust box (2) is formed; the three-stage filtration system is composed of a filter screen (8), a cyclone pre-filtering air duct (3) and a filter element filter (4); the outlet system of the dust removal device includes a lower air duct (6). ), the outlet of the dust removal device (7) and the vacuum fan (5); by setting up a three-stage filtration system and improving the shape of the filter air duct, the swirl flow and centrifugal force during the filtration of dust-laden gas are increased, and the dust removal efficiency of the dust removal device of the sweeper is improved. and service life; test and simulation analysis show that the dust-laden gas entering the cyclone pre-filter air duct captures and settles 98% of the gravel with a particle size of 0.1 to 1.5 mm.