Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

43results about How to "Meet lightweight needs" patented technology

Battery and battery pack

The utility model relates to the technical field of batteries, and discloses a battery and a battery pack. The shell is internally provided with a hollow cavity, the pole group is arranged corresponding to the hollow cavity, a first opening is formed in the first end, in the height direction, of the shell, two opposite first inner walls, in the length direction, of the shell protrude inwards to form first limiting parts, and the first limiting parts and the end face of the pole group are oppositely arranged in a spaced mode in the height direction; the top cover assembly is arranged corresponding to the first opening, the top cover assembly comprises an anti-explosion valve, and the top cover assembly abuts against the end face of the pole group. When the pole group loses the limiting effect of the top cover assembly, if the pole group moves towards the anti-explosion valve, the pole group is limited by the first limiting part along the two sides of the length direction, so that the end surface of the pole group is prevented from being in contact with the anti-explosion valve to cause blockage of the anti-explosion valve, gas in the battery is smoothly discharged from the anti-explosion valve, and the safety of the battery is improved.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Plunger assembly and plunger pump

ActiveCN119467267AReduce pressure pulsationMeet lightweight needsPositive-displacement liquid enginesMulti-cylinder pumpsCylinder blockMechanical engineering
The invention relates to the technical field of plunger pumps, in particular to a plunger assembly and a plunger pump. The plunger assembly comprises a cylinder body unit, a plunger unit and a sliding shoe unit. The plunger unit is inserted into the cylinder body unit in a sliding manner; a plunger cavity is formed between one end, far away from a plunger ball head, of a plunger rod of the plunger unit and the cylinder body unit; a weight reduction cavity in the plunger rod penetrates to the end, away from the plunger ball head, of the plunger rod. A partition part in the weight reduction cavity divides the weight reduction cavity into a buffer containing cavity and a communicating cavity; the communicating cavity is communicated with the plunger cavity; an oil through hole in the plunger ball head is communicated with the communicating cavity; a first damping hole formed in the end, close to the plunger cavity, of the separation part communicates with the buffering containing cavity and the plunger cavity. A second damping hole in the end, close to the plunger ball head, of the separation part communicates with the buffering containing cavity and the oil passing hole. The sliding shoe unit is in ball hinge with the plunger ball head; one end of the oil through hole penetrates to the surface, attached to the sliding shoe unit, of the plunger ball head. In this way, the problem of how to relieve pressure pulsation of the plunger assembly is solved.
Owner:JINCHENG NANJING ELECTROMECHANICAL HYDRAULIC PRESSURE ENG RES CENT AVIATION IND OF CHINA

Battery box body assembly and battery

The invention discloses a battery box body assembly and a battery, the battery box body assembly comprises a box body bottom plate and a frame body mounted on the box body bottom plate, and the frame body is provided with a supporting beam assembly and a plurality of carrying pieces; the frame body comprises a front edge beam, a rear edge beam and two side edge beams, wherein the front edge beam and the rear edge beam are oppositely arranged, and the two side edge beams are connected with the front edge beam and the rear edge beam. The supporting beam in the frame body is composed of the front cross beam, the rear cross beam and at least one longitudinal beam, the front cross beam is installed at the end, close to the front edge beam, in the frame body, the rear cross beam is installed at the end, close to the rear edge beam, in the frame body, and the longitudinal beam is connected between the front cross beam and the rear cross beam. The strength in the front-back direction and the left-right direction of the front end and the rear end of the battery pack box body is ensured; in addition, a plurality of carrying pieces are connected to the outer side of each side edge beam at intervals, and when the battery is collided in the left-right direction, the carrying pieces crumple and deform to absorb energy, so that the battery box body meets the collision requirement, meanwhile, the overall structure is simple, and the light weight requirement of the box body is met.
Owner:DONGFENG MOTOR CO LTD DONGFENG NISSAN PASSENGER VEHICLE CO

AMT system and control method thereof

The invention relates to an AMT (Automated Mechanical Transmission), in particular to an AMT system and a control method thereof, which are used for solving the problems that the existing AMT system has certain defects in the aspects of clutch control, accurate control in a gear shifting process, stability of a self-locking device and comprehensive application of a sensor, so that the gear shifting precision, the response speed and the stability are insufficient. According to the AMT system, the integrated gear selecting and shifting executing mechanism is adopted, and compared with an externally-hung control system, the integrated gear selecting and shifting executing mechanism can improve the gear taking-off and gear shifting response speed of the system, reduce electric control wire harnesses and gas circuit arrangement and greatly reduce the system failure rate.
Owner:SHAANXI FAST GEAR CO LTD

Cutting and positioning method of brazing filler metal foil strip by adopting vacuum brazing process

The invention provides a method for cutting and positioning a brazing filler metal foil strip by adopting a vacuum brazing process, which comprises the following steps of: 1, performing image recognition on a core body of a dot matrix sandwich structure to generate a two-dimensional image of the surface profile of the core body, including image acquisition, rapid image processing and profile recognition; 2, core contour parameters generated in the step 1 are guided into a control system, precise and lossless cutting is conducted on the brazing filler metal foil belt through the ultrafast laser machining technology, and the situation that the microstructure of the brazing filler metal belt is affected by excessive heat input is avoided; step 3, paving a plurality of layers of amorphous brazing filler metal strips prepared in the step 2 according to process requirements to form a complex variable-thickness brazing filler metal foil strip; the complex variable-thickness brazing filler metal foil belt is connected with the dot matrix sandwich structure panel through the micro-resistance spot welding technology, and precise positioning of the brazing filler metal foil belt is achieved. By precisely cutting and positioning the brazing filler metal foil strip, the weight increment of the brazing filler metal is reduced while the welding quality is guaranteed, and the lightweight requirement is met.
Owner:SUZHOU UNIV

connector

The present invention relates to a connector. The connector comprises: a board end connection portion which is to be mated with a wire end connection portion; the wire end connection portion which is provided with a plurality of mating cavities for mating a plurality of wire harness terminals and a retreat-stop member coupling structure; the plurality of wire harness terminals; and a retreat-stop member which is configured to allow the wire harness terminals to be fixed in the mating cavities of the wire end connection portion when the retreat-stop member coupling structure is in a first coupling state, and to allow the wire harness terminals and the wire end connection portion to be detachable when the retreat-stop member coupling structure is in a second coupling state.
Owner:SHANGHAI LINGJING ZHIYUAN TECHNOLOGY CO LTD

Integrated manned lunar rover wheel hub made of dissimilar materials and forging-material adding-re-forging integral forming method of integrated manned lunar rover wheel hub made of dissimilar materials

The invention discloses a dissimilar material integrated manned lunar rover wheel hub and a forging-material adding-re-forging integral forming method thereof, and relates to manned lunar rover wheel hubs and forming methods thereof. The invention aims to solve the problem that the wheel-shaped component made of the dissimilar aluminum alloy material is difficult to integrally form. An integrated manned lunar rover wheel hub made of dissimilar materials is formed by connecting a rim and a spoke, the rim is composed of a rim body, an outer ring assembling ring and strip-shaped reinforcing ribs, and the spoke is composed of a plurality of Y-shaped sheet-shaped thin plates, an axle assembling flange and a transition area. The method comprises the steps of 1, blank making; 2, forging and forming a rim and a transition area; 3, finishing an additive interface; 4, adding materials; 5, homogenizing heat treatment; sixthly, integral forging forming is conducted; 7, aging strengthening treatment; and 8, machining and forming the wheel part. The method is used for the dissimilar material integrated manned lunar rover wheel hub and forging-material adding-re-forging integral forming of the dissimilar material integrated manned lunar rover wheel hub.
Owner:HARBIN INST OF TECH +1

Steering knuckle of vehicle and vehicle

The steering knuckle comprises a steering knuckle body, a beam rod mounting part, a first reinforcing structure, a second reinforcing structure and a third reinforcing structure, the steering knuckle body is suitable for being connected with a hub bearing of the vehicle, the beam rod mounting part is used for mounting a beam rod control arm of the vehicle, and the beam rod mounting part is used for mounting the beam rod control arm of the vehicle. The beam rod mounting part is connected with the steering knuckle body, the first reinforcing structure and the third reinforcing structure are both connected between the beam rod mounting part and the steering knuckle body, the first reinforcing structure and the third reinforcing structure are spaced, and the second reinforcing structure is connected between the beam rod mounting part and the steering knuckle body and located between the first reinforcing structure and the third reinforcing structure. According to the steering knuckle, by arranging the first reinforcing structure, the second reinforcing structure and the third reinforcing structure, the bearing capacity of the beam rod mounting part is improved, the steering knuckle can meet the light weight requirement, meanwhile, the structural strength is guaranteed, the failure probability of the steering knuckle is reduced, and driving safety is guaranteed.
Owner:GREAT WALL MOTOR CO LTD

Image acquisition system, image acquisition method thereof and near-to-eye display glasses

PendingCN119136035Asimple designMeet lightweight needsOphthalmologyEyeTap
The invention provides an image acquisition system, an image acquisition method thereof and near-to-eye display glasses, and relates to the field of near-to-eye display. In use, first imaging light from the eye side is reflected through the first coupling input optical element; transmitting the first imaging light or reflecting a second imaging light originating from the non-eye side through a second coupling input optical element; reflecting the first imaging light or the second imaging light through a coupling output optical element; therefore, different imaging light rays are transmitted to a camera sensor along corresponding optical paths, and corresponding target images are generated. On the basis, only a single camera sensor is utilized, and a reasonable optical path is designed, so that different image acquisition functions are ingeniously realized, the hardware design is simplified, and the requirement of light weight of the glasses is met.
Owner:MATTER INNOVATION PTE LTD

A new type of robot built-in light guide arm rotating unit

ActiveCN224391194UMeet lightweight needsSynchronized motion in real timeManipulatorLaser processingLight guide
The application relates to the technical field of laser processing equipment, in particular to a novel robot built-in light guide arm rotating unit which comprises a robot body, a hard light path module and a flexible joint module, the hard light path module and the flexible joint module are both built-in installed in the robot body, the hard light path module and the flexible joint module are connected with each other, the flexible joint module adopts a 'j' shaped light path structure, and the rotating circle center of the flexible joint module is coincident with the fifth shaft circle center of the robot body. The application has the effect of improving the problems of insufficient flexibility, responsible structure and poor stability of the light guide arm.
Owner:HUAYE LASER TECH (WUXI) CO LTD

Composite cantilever crane and concrete pump truck

The utility model discloses a composite arm support in the technical field of engineering machinery, and aims to solve the problems that a concrete pump truck arm support in the prior art is usually made of steel, and the dead weight of the steel is larger, so that a chassis required by a pump truck is heavier, and the lightweight requirement of the arm support is difficult to meet. The robot arm comprises a box body, an arm head and an arm tail are arranged at the two ends of the box body respectively, the box body, the arm head and the arm tail are each of a composite layer structure, and each composite layer structure comprises a supporting layer and a protection layer arranged on the supporting layer; the supporting layer is made of carbon fibers; the supporting layer is protected by the protective layer in all directions, so that the carbon fibers are not exposed outside, the defect that the carbon fibers are sharp and easy to damage is avoided, the characteristics of low density, high strength, high elastic modulus and good weight reduction effect of the carbon fibers are utilized, and the overall structure of the cantilever crane is lightened through the matching of the supporting layer and the protective layer; the requirement for light weight of the arm support is met, and meanwhile it is guaranteed that the arm support is high in structural strength and rigidity.
Owner:XUZHOU XCMG CONSTR MACHINERY CO LTD BUILDING MACHINERY

Radiation resistant glass, chemically strengthened glass and methods of making and using the same

This application discloses a radiation-resistant glass, a chemically strengthened glass, and their preparation methods and applications, belonging to the field of glass materials technology. The radiation-resistant glass, based on the molar percentage of oxides, comprises: SiO2: 73~76%, Al2O3: 2~4.2%, ZrO2: 0~0.30%, MgO: 0~3.5%, ZnO: 0~1.2%, Na2O: 10.5~13.5%, K2O: 1.2~1.8%, CaO: 0~1.2%, B2O3: 3~5.2%, TiO2: 0~1%, CeO2: 1.2~2.2%, Sb2O3: 0~0.5%; and satisfies: 0.25≤AOS / T≤0.38; 0.065≤(CeO2+TiO2) / AOS≤0.090; where AOS=(Na2O+K2O+MgO+ZnO+2CeO2+2TiO2-B2O3-Al2O3)×2; T=SiO2+B2O3. The radiation-resistant glass of this application can be mass-produced using a slit-pull production line. It also has a low coefficient of thermal expansion, excellent radiation resistance, and high strength. It can be used in applications that require ultraviolet cutoff and resistance to high-energy radiation, such as in solar modules, as a cover plate for solar cell modules in aerospace or outer space environments.
Owner:CHONGQING AUREAVIA HI TECH GLASS CO LTD

Yellowing-resistant polyurethane elastomer shoe outsole material and preparation method thereof

The invention discloses a yellowing-resistant polyurethane elastomer shoe outsole material and a preparation method thereof, and relates to the technical field of polyurethane elastomers, including a composite chain extender P component and a polyurethane prepolymer I component with a mass ratio of 1: (0.95-1.34); the composite chain extender P component includes 77.39-83.89 parts of polytetramethylene ether glycol, 10-13 parts of small molecule polyols, 2-5 parts of long-chain high-carbon fatty alcohols, 2-5 parts of multifunctional polyether polyols, 0.2-0.4 parts of antioxidants, 0.2-0.4 parts of ultraviolet absorbers, 0.7-1 parts of catalysts, and 0.01-0.03 parts of silicon defoamers; the polyurethane prepolymer I component includes 32.1-62.3 parts of polytetramethylene ether glycol, 37.1-67.2 parts of aliphatic isocyanates, and 0.6-0.8 parts of antioxidants. The invention meets the market requirements for high-performance CPU shoe outsoles.
Owner:SHANDONG INOV POLYURETHANE

A lightweight, energy-saving molded cable tray

This utility model discloses a lightweight, energy-saving molded cable tray, relating to the field of cable tray technology. It includes a cable tray body comprising a base plate and two side plates. Multiple first reinforcing components are evenly spaced on the base plate, each first reinforcing component including a first rectangular protrusion. This utility model features a rationally designed structure. By setting rectangular protrusions with weight-reducing grooves on the base plate and side plates, and using a stamping process to form the first and second weight-reducing grooves, the weight of the cable tray is significantly reduced, meeting lightweight requirements. The first and second support rods fixed within the weight-reducing grooves act like an internal "invisible skeleton," providing strong support for the cable tray. Combined with the molded reinforcing grooves, the structural strength is enhanced both laterally and longitudinally, enabling the cable tray to maintain reliable load-bearing capacity and deformation resistance while remaining lightweight. This solves the contradiction between lightweight and high strength inherent in traditional cable trays.
Owner:ZHENGZHOU CHANGTONG ELECTROMECHANICAL CO LTD

Braking system and two-wheeled vehicle

The utility model provides a kind of brake system, applied to two-wheeled vehicle, comprising: hydraulic brake device, the hydraulic brake device is set for any one wheel in front wheel and rear wheel;Electric brake device, the electric brake device is set for another wheel in the front wheel and the rear wheel, the inside of the electric brake device is provided with first communication module;First operating device, the first operating device is set on any handlebar, the hydraulic brake device is communicated with the first operating device by oil pipe;Second operating device, the second operating device is set on another handlebar, the second operating device is internally provided with the second communication module that is wirelessly connected with the first communication module.The utility model solves the technical problem that traditional bicycle brake system structure is complex.
Owner:ZHUHAI L-TWOO SPORT TECH CO LTD

Lightweight scattering communication-in-motion modulation and demodulation device

The invention discloses a light-weight scattering communication-in-motion modulation and demodulation device, and relates to the technical field of wireless communication. The system comprises a service processing module, a coding and decoding module, a modulation unit, a demodulation unit, a modulation and demodulation control module, a monitoring software module and an AD / DA module. Through a frequency domain FFT frequency offset analysis method, the frequency offset of a received signal is calculated in real time, and the frequency offset compensation of the received signal is carried out per second, so that the device can adapt to Doppler frequency offset change in a communication-in-moving environment; the channel quality is evaluated in real time through a received signal-to-noise ratio, and a signal rate fast-increasing and fast-decreasing strategy is adopted according to the evaluated channel quality, so that the device can adapt to a time-varying channel in a communication-in-moving environment; through a special broken link processing function, the device can adapt to a blocked channel condition in a communication-in-moving environment; and all software modules are integrated on two pieces of XC7Z045-2FFG900I, so that the hardware integration degree is high, and the lightweight requirement of the device is met.
Owner:THE 54TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION

Die-casting forming assembly, die-casting machine and die-casting forming method

PendingCN119114901AImprove liquidityAvoid slag inclusionsMetallurgyDie casting
The invention provides a die-casting forming assembly, a die-casting machine and a die-casting forming method, and can be applied to the technical field of die casting. The die-casting forming assembly comprises a die unit, an injection unit and a first heating unit, the die unit comprises a male die core and a female die core, the male die core and the female die core form a cavity in a die assembly state, the cavity is communicated with the injection unit, and cooling runners allowing cooling liquid to flow are formed in the male die core and the female die core; the injection unit is used for injecting the metal slurry in a semi-solid state into the cavity; wherein the first heating unit is used for heating the metal slurry in the cavity, so that the metal slurry in the cavity is kept in a semi-solid state; and the cooling unit is used for introducing cooling liquid into the cooling runner after injection filling is completed, so that the metal slurry in the cavity is cooled and formed. The die casting with uniform crystallization, compact structure and uniform surface quality can be obtained, and the surface quality of the die casting is effectively improved.
Owner:NANCHANG HUAQIN ELECTRONIC TECH CO LTD

Three-dimensional orthogonal woven ablation-resistant thermal-insulation composite material and preparation method thereof

The application discloses a three-dimensional orthogonal woven ablation-resistant and heat-insulating composite material and a preparation method thereof, and belongs to the field of functional composite materials. The three-dimensional orthogonal woven hybrid preform is prepared by adopting carbon fibers and alumina fibers as raw materials, a three-layer structure of carbon fibers-alumina fibers-carbon fibers, and alternately binding the three-layer structure by using normal yarns through a three-dimensional weaving process; then, a boron-modified phenolic resin matrix is used to realize the preparation of the three-dimensional orthogonal woven ablation-resistant and heat-insulating composite material through a resin transfer molding technology. The three-dimensional orthogonal woven ablation-resistant and heat-insulating composite material prepared by the application is ablation-resistant, heat-insulating, high in bearing capacity and low in density, and meets the requirements of structural lightweight, ablation resistance and heat-insulating performance of a super-speed aircraft.
Owner:YIXING XINLI WEAVING CO LTD

A single-sided detachable loading ladder for a mixer truck

ActiveCN224617567Ureduce weightMeet lightweight needsControl theoryTruck
This utility model discloses a single-sided detachable loading ladder for a concrete mixer truck, relating to the technical field of auxiliary equipment for concrete mixer trucks. It includes a right-side ladder, a left-side ladder, and a connecting seat. One of the right-side and left-side ladders is fixedly mounted on a rear support, while the other is detachably mounted on the rear support. The connecting seat, fixedly mounted on the rear support, includes a fixing plate and a connecting pipe. One end of the connecting pipe is fixedly mounted on the rear support, and the other end is connected to the fixing plate. The detachably mounted ladder on the rear support includes a main body and a mounting plate, which are fixedly connected to the fixing plate by a first fastener. This single-sided detachable loading ladder for a concrete mixer truck, with one of the right-side and left-side ladders fixedly mounted on the rear support and the other detachably mounted, allows for the removal of one ladder as needed, facilitating applications in specific scenarios. Furthermore, it reduces the overall weight of the concrete mixer truck, thus meeting the requirements for vehicle lightweighting.
Owner:ANHUI XINGMA SPECIAL PURPOSE VEHICLE

High-strength and high-toughness composite plastic tray and preparation method thereof

The invention relates to the technical field of plastic products, in particular to a high-strength and high-toughness composite plastic tray and a preparation method thereof. The invention discloses a high-strength and high-toughness composite plastic tray. The high-density polyethylene composite material is prepared from the following raw materials in percentage by mass: 20 to 40 percent of high-density polyethylene (HDPE), 0 to 5 percent of linear low-density polyethylene (LLDPE), 3 to 6 percent of compatilizer composition, 5 to 20 percent of flexibilizer composition, 1 to 5 percent of toughening and reinforcing filler composition, 0.5 to 2 percent of silicone master batch, 1 to 3 percent of anti-aging aid, 0.5 to 1.0 percent of rheological master batch and the balance of polypropylene (PP). The flexibilizer composition is polyurethane with a core-shell structure, and the core of the polyurethane with the core-shell structure is polyurethane (PU). The plastic tray is low in density, meets the requirement for light weight, has the advantages of being high in stacking limit load and impact toughness, and can improve the quantity of goods transported every day, so that the logistics level is improved, and economic development is promoted.
Owner:ZHEJIANG SHENYUAN INTELLIGENT MANUFACTURING CO LTD

Low-cost c-mn-ti system 450mpa grade green clean surface automobile beam steel plate

The application provides a low-cost C-Mn-Ti 450 MPa grade green clean surface automobile beam steel plate and a manufacturing method thereof. The chemical composition of the steel plate is as follows in terms of mass percentage: C 0.05-0.08%, Si 0.05-0.15%, Mn 0.90-1.10%, Als 0.015-0.045%, Ti 0.025-0.040%, P≤0.020%, S≤0.010%, (Ti×100) / (C×10)≤6.5, Mn+10×Ti≤1.50, and the balance of Fe and inevitable impurities. The manufacturing method comprises smelting, medium-thin slab continuous casting, heating, direct rolling, controlled cooling and EPS green clean surface treatment. The yield strength ReL of the steel plate is≥380 MPa, the tensile strength Rm is≥450 MPa, the elongation after fracture A is≥23%, the surface roughness Ra is 3.0-4.5 μm, the surface cleanliness Sa is not less than level 3, and the thickness of the finished product is 3-12 mm.
Owner:ANGANG STEEL CO LTD

Alpha + beta type easy-to-form high-strength titanium alloy containing active eutectoid elements and preparation method

PendingCN119307780AGuaranteed plasticityhigh yield strengthChemical compositionCu element
The invention relates to the field of titanium alloy materials, in particular to an alpha + beta type easy-to-form high-strength titanium alloy containing active eutectoid elements and a preparation method. The titanium alloy comprises the following chemical components in percentage by mass: 5.0%-7.0% of an Al element, 2.0%-4.0% of an Nb element, 1.0%-3.0% of a Mo element, 1.0%-3.0% of a V element, 1.0%-2.0% of a Zr element, 3.0%-6.0% of a Cu element and the balance of Ti. Alpha + beta type easy-to-form high-strength titanium alloys with different strength levels are obtained according to the content of the Cu element, a nano Ti2Cu compound is rapidly formed at the eutectoid temperature by adding a high-activity eutectoid beta stable element Cu, the precipitation proportion of Ti2Cu is regulated and controlled by adjusting the content of Cu, and then the strength of the titanium alloy is regulated and controlled. The method can be widely applied to the important fields of aerospace, ocean engineering, weaponry, petrochemical engineering, automobile industry, biomedical treatment and the like.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Bicycle rim with spoke hole base ring

The bicycle rim with the spoke hole base ring comprises a rim body, the spoke hole base ring, spoke nuts and spokes, an annular closed cavity is formed in the rim body, and the spoke hole base ring is arranged on the bottom wall, corresponding to the radial inner side of the closed cavity, of the rim body. The spoke hole base ring comprises a ring belt and a plurality of spoke hole bases arranged on the ring belt, spoke holes are formed in the spoke hole bases, the tooth cap ends of the spokes penetrate through the spoke holes to be coaxially assembled with the spoke nuts, the surfaces of the spoke hole bases are perpendicular to the axis direction of the spokes, and the spoke holes are formed in the spoke hole bases. The installation direction of the spoke nut is the same as the installation direction of the spoke, one side of the spoke can be prevented from deviating and making contact with the spoke nut to form a break angle so as to be broken, meanwhile, the other side of the spoke is prevented from being not in contact with the spoke nut to be loosened, the tension of the spoke is prevented from being reduced, and the spoke is more worry-saving and durable. And meanwhile, the riding safety of a user is improved, and the requirement for light weight of the rim is met.
Owner:XIAMEN CARBONKING COMPOSITES TECHNOLOGY CO LTD

Lightweight start-stop starter switch

The utility model discloses a light-weight start-stop starter switch, which comprises a switch main body and a movable iron core assembly, the switch main body comprises a switch cover and a switch shell connected with the switch cover; the switch cover is connected with a first contact bolt and a second contact bolt, and a coil is arranged in the switch shell. The movable iron core assembly comprises an integrally-formed movable iron core, one end of the movable iron core is connected with a push rod, the other end of the movable iron core is connected with a pull rod, and the push rod is connected with a contact copper plate. The movable iron core is movably arranged on the switch shell, and one end of the movable iron core extends out of the outer side of the switch shell; an annular flange is arranged on the outer side of the movable iron core, the reset spring is connected to the movable iron core in a sleeving mode and located on the outer side of the switch shell, one end of the reset spring abuts against the outer wall of the switch shell, and the other end of the reset spring abuts against the annular flange. According to the utility model, the axial length of the switch main body is reduced, the light weight requirement of the starter switch is met, and the reliability and the service life of the starter switch are improved.
Owner:HUBEI SHENDIAN AUTOMOBILE ELECTRIC MOTORS CO LTD

Heavy cantilevered slab installation assembly

The utility model relates to wallboard installation process field discloses a heavy cantilever layerboard installation assembly, including with wall body connecting piece of wall body connecting piece's other side fixed connection has two snap -on connectors A, and the slide groove is formed between two snap -on connectors A, is used for the insertion of mounting connecting piece, the cantilever layerboard body of sliding connection has in mounting connecting piece, the cantilever layerboard body is located the inside one end of mounting connecting piece and is provided with snap -on connector B, and snap -on connector B and the inside of mounting connecting piece are connected. In the utility model, use hardware to combine wallboard installation process, wall independent layerboard installation process etc. Comprehensive factor, use aluminium material extrusion forming, satisfy the wall independent layerboard installation requirement under a variety of environments, stably bear heavy load, avoid layerboard deformation or loose, satisfy the lightweight demand, ensure the structural stability in long -term use, be applicable to high load -bearing scene.
Owner:LESTINE SMART HOME CO LTD

Flexible screen bending device

The invention discloses a flexible screen bending device which comprises a first middle frame, a second middle frame, a long-strip-shaped middle supporting plate arranged between the first middle frame and the second middle frame, a first transmission rod and a second transmission rod. The first transmission rod and the second transmission rod are installed on the middle supporting plate and reversely extend towards the outer side of the middle supporting plate. The side, away from the first transmission rod or the second transmission rod, of the movable door plate is rotationally connected with the first middle frame or the second middle frame, and the lower surface of the movable door plate is provided with a mounting block provided with a strip-shaped hole. The two side surfaces of the connecting rod parts of the first transmission rod and the second transmission rod are each provided with a protruding block, the first middle frame and the second middle frame are each provided with a sliding groove allowing one end of each connecting rod part to be embedded therein, and the two inner walls of each sliding groove are each provided with a guide groove extending in the sliding direction of the corresponding connecting rod part. The overall weight of the device is greatly reduced, the lightweight requirement of the electronic device is met, the user experience is improved, the flexible screen is prevented from being folded in the repeated opening and closing process of the device, and the service life of the flexible screen is prolonged.
Owner:KUNSHAN KERSEN SCI & TECH

Rocket engine injection direction adjusting mechanism for light ejection seat

PendingCN121778165AMeet lightweight needsAchieve small angle rotation requirementsAircraft ejection meansWeight reduction
The invention belongs to the technical field of ejection seats, and provides a rocket engine ejection direction adjusting mechanism for a light ejection seat, which comprises an active adjusting mechanism which is arranged on a side plate of the seat and is provided with an adjusting main body, a sliding shaft, a rotating shaft, a pull rod and a limiting piece, and the side plate is provided with a round hole and a waist-shaped hole; the sliding shaft and the rotating shaft are in clearance fit with the kidney-shaped hole and the round hole respectively, the two ends of the sliding shaft and the rotating shaft are connected with the rocket engine and the adjusting body respectively, the limiting piece is arranged on the adjusting body, and the adjusting body is driven to rotate through the pull rod and positioned through the limiting piece, so that the injection direction of the rocket engine is changed. The driven adjusting mechanism is installed on the opposite side plates of the seat, provided with a sliding shaft and a rotating shaft and matched with the driving adjusting mechanism to act. The requirement that the light ejection seat can still obtain the optimal air posture when facing pilots in a large-span body weight range is met, and the function of changing the direction of a nozzle of a rocket engine is achieved.
Owner:CHINA AVIATION LIFESAVING INST