9results about How to "Realize the shape" patented technology

The arc-shaped end face dynamic deformation suspended ceiling structure comprises a keel, a plurality of arc-shaped decorative plates arranged in a staggered mode and a light guide illumination structure are connected to the lower portion of the keel, connecting plates are arranged at the two ends of each arc-shaped decorative plate, and the end of each arc-shaped decorative plate is connected with the connecting plate on the corresponding side. The connecting plate is a U-shaped groove plate with an upward opening, a lamp hiding groove is formed in the upper concave portion of the connecting plate, a lamp is arranged in the lamp hiding groove, and the end of the light guide illumination structure is fixedly connected with the lamp. The arc-shaped decorative plates are fixedly connected with the connecting plates through bolts, a plurality of lifting rods and a plurality of supporting rods are arranged on the keel, the arc-shaped decorative plates are fixedly connected with the keel through the supporting rods, the middle and the other end of the light guide illumination structure are connected with the keel in a lifting mode through the lifting rods, and the light guide illumination structure is deformed through lifting of the lifting rods. Dynamic deformation of light and the whole ceiling arc is achieved, the lamp is hidden through the lamp hiding groove, the light is refracted to the lower portion through the light guide strip for illumination, the irradiation area is effectively increased, glare is reduced, the ceiling structure does not need to be damaged, installation is convenient, and maintenance and replacement are convenient.

The construction method comprises the following steps: performing decellularization treatment on a pig heart aorta blood vessel, compounding the treated pig heart aorta blood vessel with polyvinyl alcohol and methacryloylated gelatin to prepare a pre-gel solution, printing a designed model into a hollow tubular mold by using white resin through 3D printing, and preparing the hollow tubular mold into the artificial blood vessel stent with the anticoagulation performance. Injecting the pre-gel solution into a mold for cross-linking to obtain an artificial blood vessel stent with controllable shape and size, and finally loading an anticoagulant drug heparin on the prepared stent to obtain the heparin-loaded artificial blood vessel stent. Materials for preparing the pre-gel solution are selected, and advantage complementation of material functions can be achieved. The acellular matrix is beneficial to adhesion, proliferation and differentiation of cells; the composite polyvinyl alcohol and methacrylated gelatin improve the mechanical properties of the scaffold and improve the cell adhesion. Heparin is loaded on the artificial blood vessel stent to improve the anticoagulation performance of the stent and prevent thrombus. As an excellent biomedical material, the stent has a wide application prospect in the related fields of cardiovascular tissue engineering and biology.

The invention relates to a multi-stimulus-response reprogrammable shape deformation method, and belongs to the field of functional materials. The shape deformation method comprises the following steps: heating the multi-stimulus response nano composite material to a glass-transition temperature, and inducing the nano composite material to deform through external constraint; heating until the temperature exceeds the topological freezing transition temperature, so that a dynamic cross-linked network in a resin matrix of the nano composite material is activated and recombined, and releasing stress to obtain a completely reshaped composite material; cooling and removing the external constraint, and raising the temperature to a glass-transition temperature to realize deformation programming of the nano composite material; the temperature is increased to the glass transition temperature after cooling, and the nanocomposite recovers to the permanent shape after reshaping; the nano composite material is a resin matrix composite material containing dynamic covalent bonds. The method is easy and convenient to operate, various in stimulation and rapid in response, the shape of the material can be reprogrammed, the shape memory function is achieved, and the shape of the formed material is changed.

The present invention discloses an automatic lathe for multi-angle processing of large valve bodies, comprising a base, wherein the base is composed of a rectangular cylinder and a flanging seat arranged at the bottom end of the outer wall of the rectangular cylinder. The beneficial effect of the present invention is that, through the design of combining a fixed tool with an angle-adjusting tool, multi-angle adjustment of the lathe tool is realized, adaptation to complex workpiece shapes and specific cutting requirements is achieved, and the scope of application is expanded. At the same time, the design of the front and back double-sided clamps enables the lathe to clamp two large valve bodies to be processed at the same time, and the positions of the workpieces can be quickly exchanged during the processing without interrupting the processing for a long time, thus shortening the downtime of the lathe, shortening the overall processing cycle, improving the flexibility and response speed of the lathe processing, and improving the processing efficiency. In addition, the design of the unloader simplifies the installation and disassembly steps of the large valve body, further improving the processing efficiency, and the design of the stable structure ensures the stability and safety of the processing process.

The present invention discloses a shape-adjustable pulse ablation catheter with a liquid perfusion function, which relates to the field of interventional treatment, and includes an annular flexible adjustable ring, a tube body, and a control device, wherein the annular flexible adjustable ring includes a flexible multi-lumen tube, a ring electrode, and a push tube, and the ring electrode is distributed on the surface of the flexible multi-lumen tube, and the control device includes a sliding straightening button, a perfusion joint, and a bending control unit, and the sliding straightening button is used to control the change in shape and size of the annular flexible adjustable ring. The present invention has the functions of annular pulse electric field ablation and electrocardiogram signal mapping, avoids the risk of surgical instrument replacement, and shortens the operation time. The present invention also has the function of temperature monitoring during the ablation process, so that the operator can more intuitively observe the temperature change information of the ablation area, ensuring that the operation is safer and more efficient.

The utility model belongs to the technical field of vehicle lamps, and discloses a lamp with replaceable luminous patterns. The lamp with the replaceable light-emitting patterns comprises a rack and a light-emitting part, the light-emitting part is installed on the rack, and a detachable lens is arranged on the outer side of the light-emitting part; a mounting groove is formed in the rack, and the lens is clamped into the mounting groove to complete mounting. The LED lamp is simple in structure and reasonable in design, the mounting groove is formed in the rack, the lens is clamped into the mounting groove to complete mounting, lens of different styles can be replaced according to different use requirements, various shapes and lighting effects are achieved, and compared with a traditional lamp, the LED lamp is more diversified and flexible, and the experience feeling of a user can be enhanced.

This invention relates to a refrigerator. An embodiment of the refrigerator may include: a storage compartment fan for supplying cold air to the storage compartment; and an ice-making fan capable of adjusting the cold air flow supplied to the compartment. The refrigerator may also include an ice maker disposed in the storage compartment or door, the ice maker including a housing for receiving a tray and an ice-making fan disposed in the housing.

The multi-functional rotating shaft type splicing piece comprises a first connecting end and a second connecting end, and the first connecting end and the second connecting end are connected through an intermediate part; wherein the first connecting end is a cylindrical structure extending in a vertical direction and comprises a first groove; the second connecting end comprises a second groove; the second connecting end further comprises a first protruding part, and the first protruding part is located in the second groove; the first protruding part of the multi-functional rotating shaft type splicing piece is in plug-in cooperation with the first groove of an adjacent multi-functional rotating shaft type splicing piece, the first protruding part is wrapped in the first groove of the adjacent multi-functional rotating shaft type splicing piece, and the first connecting end is wrapped in the second groove of the adjacent multi-functional rotating shaft type splicing piece. The multi-functional rotating shaft type splicing piece can be spliced and formed on site as needed, can accurately adapt to various arc modeling from ordinary arcs to whole-circle large-curvature arcs, and can realize efficient assembly of arc wall surface assembly structures.

The utility model relates to the technical field of food processing equipment, in particular to food decal modeling equipment which comprises a dough kneading and pressing mechanism, a conveying mechanism, a modeling mechanism and a material returning mechanism. The dough kneading and pressing mechanism comprises a dough kneading mechanism and a multi-stage dough pressing mechanism, and dough is kneaded by the dough kneading mechanism and then pressed into a dough belt by the multi-stage dough pressing mechanism; the shaping mechanism comprises a first shaping device and a second shaping device, and the first shaping mechanism is matched with the noodle belt; the conveying mechanism is matched with the food, and the second shaping mechanism is arranged above the conveying mechanism and is matched with the food and the flour belt at the same time; the dough belt passing through the shaping mechanism is matched with the material returning mechanism, and the material returning mechanism is matched with the dough kneading mechanism. According to the utility model, the complex decal modeling of food can be realized, and the positive effect on the improvement of the production efficiency is achieved.