9results about How to "Guaranteed deformability" patented technology

This utility model relates to the field of low-temperature resistant sheathing technology, and discloses a low-temperature resistant sheathing tube, including a tube body, a nitrogen layer, and an inner column. The tube body has a hollow cavity inside, and an insulating airbag is fixedly connected to the inner wall of the hollow cavity. The outer wall of the nitrogen layer is fixedly connected to the inner wall of the insulating airbag. An outer column is fixedly connected to the inner wall of the tube body, a sponge is fixedly connected to the inner wall of the outer column, and a dehumidifying layer is fixedly connected to the outer wall of the inner column. A passage component is provided on the inner wall of the insulating airbag, and a reinforcing component is provided on the outer wall of the tube body. In this utility model, a hollow cavity is formed in the tube body, and an insulating airbag is placed in the hollow cavity. Nitrogen gas is injected into the insulating airbag through an inflation port. The interior of the insulating airbag is filled with chambers and air channels. Both the outer and inner columns are equipped with sponges and supplemented with a dehumidifying layer. The entire structure achieves efficient heat preservation and drying effects inside the tube body, providing a stable temperature environment for internal pipelines and cables.

The utility model relates to a battery device and a heat insulation assembly. The battery device at least comprises a first battery cell group and a second battery cell group which are arranged along a first direction, each of the first battery cell group and the second battery cell group comprises a plurality of battery cells arranged along a second direction, and the second direction intersects with the first direction; wherein a heat insulation assembly is arranged between the first battery cell group and the second battery cell group, the heat insulation assembly comprises a first heat insulation piece and a plurality of second heat insulation pieces, the plurality of second heat insulation pieces are arranged on one side of the first heat insulation piece along the first direction, and the plurality of second heat insulation pieces are distributed at intervals along the second direction. The heat insulation assembly can block heat transfer between the first battery cell group and the second battery cell group, so that the risk of thermal runaway of the battery device is reduced.

The invention relates to a high-toughness die-casting aluminum alloy for a new energy automobile and a preparation method of the high-toughness die-casting aluminum alloy, and belongs to the technical field of die-casting aluminum alloys. The preparation method of the high-toughness die-casting aluminum alloy for the new energy automobile comprises the following steps that after a 5-series aluminum alloy and an intermediate alloy are heated and molten, impurities are removed, and a molten alloy is obtained; performing pore-free pressure casting on the molten alloy to obtain a prefabricated aluminum alloy; and after the prefabricated aluminum alloy is subjected to high-temperature heat treatment, cooling heat treatment and normal-temperature cooling, the high-toughness die-casting aluminum alloy is obtained. According to the invention, the Mn and Zr elements are added to effectively refine crystal grains, air holes of a die casting are eliminated through a specific oxygenating die casting process, the aluminum alloy is compact in structure and free of blistering in high-temperature solid solution treatment, and the mechanical property of the alloy can be improved by adding the Mn and Zr elements for recrystallization and combining with ultrafine crystal grains of the oxygenating die casting process and large and coarse crystal grains of the Mg element; coarse grains keep deformability, superfine grains keep high strength, and the macroscopic mechanical property of the material is improved.

The utility model discloses an anti-fracture LED lamp strip which comprises a flexible circuit board, the top end of the flexible circuit board is fixedly connected with a lamp bead, the top end of the flexible circuit board is fixedly connected with a heat conducting piece, the top end of the flexible circuit board is fixedly connected with a protective rubber plate, and the bottom of the protective rubber plate is provided with a heat dissipation groove. A mounting groove is formed in the bottom of the protective rubber plate, a light-transmitting groove is formed in the top of the mounting groove, and a protruding block is fixedly connected into the mounting groove. The protective rubber plate is additionally arranged on the flexible circuit board, so that the lamp strip is protected when being used, the lamp strip is prevented from being damaged due to contact with other objects, the heat conducting piece is arranged on the flexible circuit board, heat generated during work of the lamp strip can be conducted out and conducted into the heat dissipation holes through the heat dissipation grooves, and therefore the heat is discharged to the outside, and the service life of the lamp strip is prolonged. When the lamp strip is bent, the lamp strip can deform through the protruding blocks in the mounting grooves, and the protruding blocks abut against each other, so that rebounding can be achieved.

This invention discloses a repeatable locking mechanism based on disc spring unstable switching, including a support housing, a spindle, a motor assembly, a screw, a slider, a nut slider, a conical coil spring, a disc spring, and a self-locking mechanism. The invention also discloses a method for operating the above-mentioned repeatable locking mechanism, including: the motor assembly driving the spindle to rotate; the slider moving to a first driving position engaging with the upper screw, the spindle driving the upper screw to rotate via the slider; the upper screw driving the upper nut slider to move up and down, locking or unlocking the self-locking mechanism A; the upper screw driving the upper nut slider to continue moving downwards, after the conical coil spring undergoes torsional deformation, the nut slider pushes the slider downwards, causing the slider to move to a second driving position engaging with the lower screw, the spindle driving the lower screw to rotate via the slider. This invention enables selective locking and further improves the stiffness of the flexible arm.

The application discloses an airway stent, which comprises at least one stent unit, wherein the stent unit comprises a tubular stent body and an outer membrane covering the surface of the stent body, the outer membrane extends to the inner cavity of the stent body to form an intracavity membrane separating the inner cavity into two independent spaces, a tear line is arranged on the intracavity membrane, and the outer membrane extends along the distal end of the stent body to form an extension membrane. Different combination forms of the airway stent are selected to adapt to different types of airway diseases; adjacent stent units are connected by the distal stent body and the extension membrane under pressure to ensure the flexibility and certain deformation capacity of the whole airway stent; mutual restraint of each stent unit is realized, so that the displacement of the whole airway stent is avoided, and the granulation tissue proliferation caused by the shearing friction between the airway stent and the airway is reduced.

The utility model relates to the technical field of electric power, in particular to an anti-deformation wiring board for a circuit breaker, which comprises a wiring board part used for installing the circuit breaker; the mounting part is arranged on the wire board part; and the reinforcing part is arranged on the wire board part, and the wire board part comprises an aluminum oxide supporting strip used for supporting the circuit breaker. According to the technical scheme, a set of wiring board assembly with high use strength and good deformation resistance is provided for the assembly of the circuit breaker through the assembly consisting of the wiring board part, the reinforcing part and the mounting part. According to the utility model, the aluminum oxide support strip is enabled to resist external force more easily, stress can be dispersed better, concentrated stress is avoided, the deformation resistance after the circuit breaker is assembled is improved, the stability after the circuit breaker is installed is ensured, the support stress of the whole wiring board is dispersed, and the wiring board is not easy to deform or bend under the action of external force, so that the wiring board has better deformation resistance.

The invention provides a fair-faced concrete wall which comprises a steel bar frame, the steel bar frame at least comprises a first steel bar and a second steel bar which extend in the horizontal direction, one end of the first steel bar is connected with one end of a first beam support, and the other end of the first beam support is arranged in a frame column or a vertical beam. One end, close to the first beam support, of the second steel bar is bent towards the first steel bar and is not connected with the first beam support; the detachable fair-faced concrete surface layer covers the outer side of the steel bar frame, a containing space for containing fair-faced concrete is formed in the inner side of the fair-faced concrete surface layer, and the fair-faced concrete surface layer can be detached after construction is finished. One steel bar extending in the horizontal direction in the steel bar frame is normally connected with the beam support, one end of the other steel bar is bent and is not connected with the beam support, the fair-faced concrete architectural effect of the exterior facade can be achieved, the stress performance of a main body structure is not affected, and the construction cost is reduced. And due to flexible connection with the main body structure, enough deformation capability can be provided.

The utility model discloses a kind of electric heat tracing band of tensile strength, including heating inner core, outer sheath, auxiliary tensile wire and deformation protection layer, outer sheath is wrapped in the outside of heating inner core, two groups of wire ducts are symmetrically processed and formed in the two sides of outer sheath, auxiliary tensile wire is separately embedded in two groups of wire ducts, auxiliary tensile wire includes reinforcing thread and several groups of positioning block evenly distributed on reinforcing thread, several groups of positioning block are equidistantly fixed in wire duct, deformation protection layer is processed and formed in the inside of outer sheath, deformation protection layer includes main vein and several groups of branch vein distributed in the two sides of main vein, main vein is located in the middle of outer sheath, several groups of branch vein are distributed in the edge of outer sheath, the outer end of branch vein extends to wire duct place.The electric heat tracing band designed in the utility model can effectively improve the tensile resistance of electric heat tracing band, reduce the possibility of damage when laying electric heat tracing band.