10results about How to "Reduce local stress" patented technology

This utility model provides a car bumper with a layered energy-absorbing structure, relating to the field of automotive parts technology. Its features include a fixed bracket, a protective plate fixedly mounted on the front side of the fixed bracket, and connecting ear plates symmetrically arranged on both sides of the fixed bracket. The fixed bracket is a bent bracket, and a groove is provided between the upper part of the fixed bracket and the protective plate. The groove is filled with buffer rubber. A hydraulic damper is fixedly mounted between the connecting ear plates and the protective plate. A license plate frame is fixedly mounted at the middle of the front side of the protective plate. The end of the license plate frame is U-shaped, protruding to the front side of the protective plate, and the width of the front side of the license plate frame is greater than the width of the rear side. This utility model, through the bent structure of the fixed bracket, the buffer rubber in the groove, and the hydraulic damper, forms a multi-stage energy-absorbing system, effectively absorbing collision energy, improving safety, adapting to collision loads at different angles, and improving energy absorption efficiency.

This invention discloses a GH4169 alloy extra-large turbine disk skin structure and its design method, belonging to the field of metal material forming. The skin structure, with its forging surface radially along the center hole of the rough-machined turbine disk delivery part, includes a skin center section, a second transition section, and a first transition section connected sequentially from the inside to the outside. Both the first and second transition sections are conical surfaces, with rounded corners at their intersection. The angle between the generatrix of the first transition section and the vertical direction is θ1, and the angle between the generatrix of the second transition section and the vertical direction is θ2, where θ1 > θ2. The two-stage transition section design of the forging surface of the skin structure effectively disperses stress concentration in the central area of ​​the die during forging, significantly reducing local stress at the contact point between the die punch and the blank. The stress value can be controlled below 320 MPa, avoiding punch deformation or damage; reducing fatigue damage to the die under high stress, extending die service life, and reducing production costs.

The utility model discloses a kind of cooking utensils, it includes pot body, lug, pot cover and push button, the lug is located at the outer periphery of the pot body, the lug is integrally formed with the pot body, the lug is equipped with sliding slot, the pot cover is equipped in the upper end of the pot body, the sliding slot is opened to the side of the pot cover and is arranged, the push button has elasticity to be installed in the sliding slot, the push button is movable relative to the lug along the direction towards the pot cover and away from the pot cover to have unlocking position and lock position, in the lock position, the push button is located on the top surface of the pot cover, in the unlocking position, the push button is away from the pot cover. The connecting structure of the pot body and the pot cover of the cooking utensil of the utility model embodiment is simple, and assembly efficiency is improved.

The utility model provides a kind of double-sided planing groove board material turnover device, it is related to plate processing technical field, and it includes: hoisting mechanism, the traction end of hoisting mechanism connects clamping assembly;Clamping assembly includes U-shaped strip and the U-shaped outer groove of being set in the outside of U-shaped strip;The U-shaped opening direction of U-shaped strip and U-shaped outer groove is identical;U-shaped outer groove includes first outer side wall, second outer side wall and outer top wall;U-shaped strip includes the first inner side wall, second inner side wall and inner top wall for surrounding board piece clamping area, and the inner wall surface of second inner side wall and second outer side wall is fixedly connected;First outer side wall is provided with threaded hole along thickness direction, and threaded hole is towards first inner side wall;Adjusting bolt is threadedly connected with threaded hole, and the end of adjusting bolt is provided with pressing plate, and the axial displacement interval of adjusting bolt includes the locking position of making pressing plate and first inner side wall abutting tightly, reduce the damage degree when planing groove gypsum board turnover, provide support for planing groove processing, realize the quick low-damage overturning of planing groove gypsum board.

The application discloses a tire pattern structure with anti-puncture and active stone discharge for gravel pavement, and relates to the technical field of tires.The technical scheme is as follows: a pattern block is arranged on a tread, pattern grooves are arranged between the pattern blocks, the groove bottoms of the pattern grooves are provided with elastic protection teeth in a zip fastener shape and engaged with each other in the circumferential direction of the tire, the elastic protection teeth are provided with an engagement gap therebetween for discharging stones, and the groove bottoms of the pattern grooves are provided with a gradient hardness buffer layer below the elastic protection teeth, wherein the Shore hardness of the gradient hardness buffer layer gradually changes from 75HA to 65HA from a surface layer in contact with the elastic protection teeth to an inner layer away from the elastic protection teeth.The application realizes the organic combination of stone discharge and anti-puncture through the synergistic effect of multiple structures, greatly reduces the early damage probability of the tire when driving on the gravel pavement, effectively prolongs the actual service life of the tire, improves the safety of the tire when driving on the gravel pavement, and has significant technical advantages and practical value compared with the prior art.

The utility model discloses a low -noise motorcycle engine cylinder cover belongs to cylinder cover technical field, it includes cylinder cover body, the inside wall of cylinder cover body is equipped with the noise reduction structure, the inside wall center place of cylinder cover body is equipped with cooling structure, the inside center upper place of cylinder cover body is equipped with support structure, the cooling structure includes cavity, the inside wall center place of cylinder cover body is equipped with the cavity, the inside center upper place of cavity is equipped with cooling pipe, in addition, the utility model discloses, can be targeted to attenuate valve knock, gas turbulence etc. high frequency noise, and the noise reduction amount reaches 10 15dB, solve the problem that high frequency noise penetrability is strong, simultaneously, absorb the vibration energy that cylinder body resonance and component low frequency impact produced, and the barrier efficiency improves 20 30%, solved the defect that low frequency noise suppression is insufficient, and, reduce gas leakage noise 8 12dB, also through the rigid vibration transmission of elastic contact reduction cylinder cover and cylinder, avoid resonance and produce additional noise.

The application provides a battery monomer, a battery and a power utilization device. The battery monomer comprises: a shell (10) comprising a first wall; an electrode assembly (4) arranged in the shell (10), the electrode assembly (4) comprising an electrode main body (41) and a tab, and the tab being led out from the electrode main body (41); and a terminal assembly (3) comprising a connecting piece (31) and at least two terminals (30), the at least two terminals (30) are arranged on the first wall, the connecting piece (31) is arranged at least partially around the at least two terminals (30), the terminal (30) is arranged at least partially between the connecting piece (31) and the first wall along the thickness direction of the first wall, the connecting piece (31) is connected with the first wall, and the terminal (30) is electrically connected with the corresponding tab.

The utility model provides a kind of material collecting mechanism for dye grinding equipment, including collecting barrel, first cleaning mechanism, second cleaning mechanism, annular support, driving mechanism, positioning assembly, transmission mechanism, fixed support and rotating structure;Collecting barrel is located in the barrel body inside of grinding equipment;First cleaning mechanism, second cleaning mechanism, annular support are all with the inside of collecting barrel, and the upper end surface of annular support is fixedly connected with the bottom of first cleaning mechanism.The material collecting mechanism for dye grinding equipment of the utility model solves the problem that the collection container in the related art lacks an anti-adhesion structure, resulting in continuous deposition of high-viscosity dye slurry on the inner wall of the container.

This application relates to a painting fixture and painting system, belonging to the field of painting technology. The painting fixture includes a positioning component and a support component. The positioning component extends along a first direction, and the support component is disposed on one side of the positioning component and connected to it. The support component extends along a second direction. The positioning component and the support component are used to cooperate in supporting the plastic tailgate during the painting process; wherein, the first direction and the second direction intersect. The positioning component of this application is used to position the plastic tailgate, and the support component is used to support the plastic tailgate. By setting the positioning component and the support component to intersect, it is possible to achieve both large-scale positioning of the plastic tailgate along the first direction and large-scale support along the second direction, thereby achieving multi-point support for the plastic tailgate, reducing local stress, and thus effectively reducing the possibility of deformation of the plastic tailgate in high-temperature environments, improving the yield rate of the plastic tailgate.

This utility model relates to a reaction device, a reaction vessel for resin production, including a stirring shaft and a vessel body. The lower end of the stirring shaft extends into the vessel body along the upper end and is connected to stirring blades and a trigger rod. The upper end of the stirring shaft is connected to a drive motor. The trigger rod includes a rod body perpendicular to the stirring shaft. A groove is formed along the axial direction of the end of the rod body away from the stirring shaft. Limiting grooves are formed on opposite sides of the inner wall of the groove, consistent with the direction of the groove. An alloy contact is provided in the groove. With the cooperation of a spring and a guide block, the alloy contact of this utility model can stably contact the spherical protrusion during stirring, generating regular vibration. This vibration can effectively drive the flow of reactants near the side wall in the vessel body, making the reactants more thoroughly mixed. At the same time, the vibration can reduce the adhesion of reactants to the side wall of the vessel body, significantly improving reaction efficiency, reducing material waste and equipment cleaning difficulty.