39results about How to "Suppress local deformation" patented technology

A rear door that is provided in an openable and closable manner at a vehicle body rear portion, the rear door having: a frame portion that forms along an external edge of the rear door, a door windshield panel that is provided in the frame portion, and a lateral beam that spans between both lower end corner portions of the windshield panel, wherein at coupling portions of the frame portion and the lateral beam, the frame portion and the lateral beam each have a closed sectional structure, and the closed sections of the frame portion and the lateral beam are continuous.

The present invention is a polishing head which is provided with at least: an annular rigid ring; a rubber film that is bonded to the rigid ring at a uniform tension; a back plate that is joined to the rigid ring so as to form a space together with the rubber film and the rigid ring; and an annular template that is arranged concentrically with the rigid ring in the periphery of the lower surface portion of the rubber film and holds an edge portion of a workpiece. The polishing head polishes the front surface of the workpiece by holding the back surface of the workpiece in the lower surface portion of the rubber film and bringing the front surface of the workpiece in slide contact with a polishing cloth that is bonded to a polishing plate. The polishing head is characterized by additionally comprising a non-compressible fluid that is sealed in the above-described space. Consequently, final polishing of a workpiece can be performed and the entire of the workpiece can be uniformly polished regardless of the thickness of a template by a polishing head that holds the back surface of the workpiece at a rubber film, while holding the edge portion of the workpiece with the template. The present invention also provides a polishing apparatus.

The invention aims to provide a pneumatic tire, which has excellent wetland properties and operation stability. A pneumatic tire 1 comprises a tread portion 2 having an outboard tread edge Te1 to be positioned away from the center of a vehicle body and an inboard tread edge Te2 to be positioned close to the center of the vehicle body. The tread portion 2 is provided with an inboard shoulder main groove 12, and an inboard shoulder land region 15 between the inboard shoulder main groove 12 and the inboard tread edge Te2. The inboard shoulder land region 15 is provided with inboard shoulder rug grooves 21, connecting sipes 22, and inboard shoulder sipes 23. The inboard shoulder sipe 23 is made up of a straight outer part 24 extending from the inboard tread edge Te2 toward the axially inside,and a straight inner part 25 extending to the inboard shoulder main groove 12 at a flexion angle with respect to the outer part 24. The axial length of the inner part 25 is more than the axial lengthof the connecting sipe 22.

The invention relates to the technical field of aluminum alloy, and discloses an aluminum alloy fixing device with outer wall clamping and inner wall supporting functions. The aluminum alloy fixing device comprises a base. The base is used for supporting the whole device, through cooperative use of a first clamping plate, a transverse rod, a limiting rod, a first rotary disc and a second clampingplate, the outer side of aluminum alloy can be fixed, therefore, the stability of the aluminum alloy during machining is guaranteed, the aluminum alloy can be automatically loosened after machining iscompleted, and the intelligence of the whole device is improved; through cooperative use of a disc and a sleeve rod, the inner wall is supported while the outer side of the aluminum alloy is clamped,deformation of the tubular inner wall is prevented, the phenomenon of stress concentration is relieved, finally, local deformation caused by material extension and stress concentration is restrained,through cooperative use of a special-shaped disc, a first supporting rod and a vertical rod, two steps of clamping on the outer side and supporting on the inner wall are linked, therefore, the linkage performance of the whole device is improved, and the operation is easier.

The purpose of the invention is to provide a structural foundation in which a spiral stake for supporting the foundation is fixed in a stable manner without any horizontal displacement or vertical sinking, and the foundation can be easily installed on site without incurring transportation or installation costs. A structural foundation for supporting a structure or part of a structure, the structural foundation (3) having a foundation part (2) fixed to the ground using a spiral stake (1), wherein the foundation part (2) has a cylindrical steel tube (23) for guiding the spiral stake (1) and a horizontal pressure-receiving part (21) disposed so as to enclose the cylindrical steel tube (23), and the foundation part (2) and the spiral stake (1) are provided with fixing means (12, 22) for fixing the foundation part (2) and the spiral stake (1) in place in a state in which the spiral stake (1) has been inserted through the cylindrical steel tube (23) and the spiral stake (1) has been embedded in the ground.

A cage bar of at least one of pockets, the cage bar being on one side of the at least one of the pockets in the circumferential direction, has a bent portion that is bent toward one side in an axial direction such that an end face of the cage bar on the other side in the axial direction is recessed toward the one side in the axial direction. Further, a cage bar of the at least one of the pockets, the cage bar being on the other side of the at least one of the pockets in the circumferential direction, has a bent portion that is bent toward the other side in the axial direction such that an end face of the cage bar on the one side in the axial direction is recessed toward the other side in the axial direction.

The invention provides a strengthening structure of sliding door for vehicle, which includes a rigid part comprising an upper and a lower strengthening member, and prevents the post-slide door from moving toward external side by maintaining the clamping between a buckle and a striker of a latch. A beam (24) that extends along front and back direction of the vehicle is set on a door inner plate (21) of the post-slide door (2); a buckle (27) if set on front of the door inner plate (21); the striker of a latch (41) is set on a vertical wall (4a) of a middle pillar (4). When applying force to the post-slide door (2) from inner side of a carriage, the buckle (27) is clamped and held by the striker of a latch (41) at the front side of the post-slide door (2); the lower part of an upper strengthening member (4) and a lower strengthening member (6) are bonded together in an overlapping way around the buckle (27); position of the bonding part is configured as high as the beam (24) when watching from the front.

It is an object of the present invention to provide a rim for a pneumatic tire that can suppress local deformation of the sidewall portion of a mounted tire and thus suppress the occurrence of damage to the sidewall portion. The rim for a pneumatic tire according to the present invention is provided with a pair of bead seat portions separated from each other in a rim width direction and a flange portion extending outwards in a rim radial direction from a rim width direction outer end of each bead seat portion. A rim radial direction outer end of the flange portion is recurved outwards in the rim width direction. A radius of curvature of a surface of the flange portion at a rim width direction outer end portion of the flange portion is at least 0.4 times and at most 1.0 times a radius of curvature of the surface of the flange portion at a rim width direction central portion of the flange portion.

A vehicular door 1 includes an inner panel 5 provided on an inner surface-side of an outer panel 2; a side impact beam 6 provided between the outer panel 2 and the inner panel 5; and a support member 7 which is provided between the inner panel 5 and the side impact beam 6, and which is connected to at least one of the inner panel 5 and the side impact beam 6.

The invention discloses a tubular part punching tooling. The tubular part punching tooling comprises a base, a pressing mechanism and a supporting mechanism; the pressing mechanism is retractably arranged on the base in a penetrating mode; the supporting mechanism comprises a sliding rail, a regulating structure and two supporting plates; the sliding rail is fixedly connected with the base, and the two supporting plates are slidably connected with the sliding rail; the regulating structure is retractably arranged on the sliding rail in a penetrating mode; and the regulating structure comprisesa cam, the cam is arranged between the two supporting plates, and the center line of the cam is coincident with the center line of the pressing mechanism. According to the tubular part punching tooling, positioning of tubular parts to be drilled is realized, supporting for inner hole walls of the tubular parts is realized through the supporting plates, and deformation of inner holes of the tubular parts is prevented; and meanwhile, the phenomenon of stress concentration is relieved, and local deformation caused by material extension and stress concentration is restrained.

The invention discloses a method for preparing a lithium-ion battery core, comprising the following steps of 1) preparing a positive plate, a negative plate and diaphragm paper; and 2) preparing an electric core by the positive plate, the negative plate and the diaphragm paper, and arranging the positive plate, the negative plate and the diaphragm paper sequentially between two layers of teryleneresin films, carrying out hot-composing to obtain a complex consisting of the positive plate, the diaphragm paper and the negative plate; preparing a monomer electric core by two or more complexes andpreparing the electric core by connecting the monomer electric cores in parallel or in series. The lithium-iron battery core prepared by the method can effectively control the irregular expansion ofthe lithium-iron battery core and lead the appearance of the lithium-iron battery to be smooth and regular.

A towing hook mounting structure includes a frame of a vehicle and a towing hook. The frame includes a first surface and a second surface having a planar direction different from that of the first surface. The towing hook includes a first hook portion and a second hook portion different from the first hook portion. The first hook portion of the towing hook is fixedly mounted to the first surface of the frame, and the second hook portion of the towing hook is fixedly mounted to the second surface of the frame.

Disclosed is a very thin hard steel sheet having a thickness of not more than 0.400 mm and containing, in mass %, 0-0.800% (inclusive) of C, 0-0.600% (inclusive) of N, 0-2.0% (inclusive) of Si, 0-2.0% (inclusive) of Mn, 0-0.10% (inclusive) of P, 0-0.100% (inclusive) of S, 0-3.0% (inclusive) of Al and 0-0.200% (inclusive) of O. Secondary phases having an average length of not less than 0.10 [mu]m and an average breadth of not less than 0.05 mu m, while satisfying the following relation: average length / average breadth >= 2.0 are contained in the steel sheet at a volume fraction of not less than0.05%.

A vehicle sunshade device including: a sunshade configured to block at least a portion of light entering a vehicle cabin, by being disposed along a door glass of a vehicle; a knob attached to the sunshade; and a case configured to internally stow the sunshade, such that stowing of the sunshade is complete in a state in which the knob contacts the case.

The invention relates to a method for controlling surface groove defects of a three-layer hollow sandwich structure in the field of welding technology. The method includes: performing high-energy beam modification treatment on both sides of the diffusion connection part of the upper panel and the lower panel of the titanium alloy, obtaining a gradient structure with high temperature deformation resistance, and suppressing local deformation around the connection part during superplastic forming; The surfaces of the upper panel, the lower panel and the core plate of the gradient tissue are all cleaned; an upper cover and a lower cover suitable for the size of the upper panel and the lower panel are prepared, and the upper cover and the lower cover are The deformation resistance of the titanium alloy panel is higher than that of the plastic deformation resistance of the titanium alloy panel; the lower sheath, the lower panel, the core board, the upper panel and the upper sheath are coated with solder stopper and then stacked from bottom to top, and the laminated structure is surrounded. The seal is welded and sealed, and vent holes are reserved; the upper and lower sheaths are removed after the laminated sealed structure is heated and pressurized to realize diffusion connection and superplastic forming.

Provided is a conveyance roller for a heating furnace, the roller being resistant to local deformation. A steel sheet is conveyed in a state held entirely by holding projections (70), which are made of a heat-resistant alloy and protrude higher than a shielding member (72), at multiple positions on the outer circumferential surface of a roller body (68) at a specified interval in the longitudinaldirection of the roller body (68). The holding projections (70) made of a heat-resistant alloy contact the inward-conveyed, cold steel sheet over little contact area, so the transmission of heat fromthe roller body (68) to the steel sheet is minimal, rapid cooling of the roller body (68) is suppressed due to radiative cooling from the hot roller body (68) being shielded by the shielding member (72) provided between the holding projections (70), and local deformation of the outer circumferential surface of the roller body (68) is suppressed. As a result, the holding projections (70) do not deform, and the occurrence of hindrances to the conveyance of the steel sheet is resolved.

In a floor structure of a vehicle body center section, a floor side member is provided at lower portions of a main floor panel, a vertical wall is formed at a front side of a rear floor panel, a rear seat is installed on the rear floor panel, a rear seat leg extends downward along the vertical wall, a lower end portion of the rear seat leg is mounted to a portion of the rear floor panel, a rear seat leg reinforcement member that extends in a vehicle longitudinal direction is disposed on each of upper portions at both left and right sides of the floor panels, a rear end portion of the reinforcement member is connected to the lower end portion of the rear seat leg, and a front end portion of the reinforcement member is connected to the main floor panel and the floor side member.