27results about How to "Smooth structure" patented technology

The application relates to the air conditioning technical field and discloses an indoor unit and an air conditioner. The indoor unit comprises a shell, an air duct formed in the shell, an air inlet and an air outlet, and the air duct is communicated between the air inlet and the air outlet; a heat exchanger located in the air duct; a cross-flow fan located in the air duct, the cross-flow fan comprising a motor; wherein a side wall of the air duct is provided with an exhaust passage communicated with the air duct, the shell is further provided with a heat dissipation passage, the heat dissipation passage is located outside the air duct and is communicated between the exhaust passage and the motor, and airflow in the air duct can flow to the motor through the exhaust passage and the heat dissipation passage. The airflow in the air duct has certain kinetic energy and temperature regulation, thereby providing continuous cooling effect for the motor, so that the heat dissipation efficiency of the motor is remarkably improved, and the service life of the motor is prolonged.

The utility model relates to the field of maintenance frame discloses a maintenance frame for lifting type industrial robot, including base, the top of base is provided with lifting assembly, the top fixed connection of lifting assembly has fixed platform, both sides of fixed platform all are fixedly connected with two connecting frames, the left side fixed connection of connecting frame has support frame, the bottom rotatory connection of support frame has support rod, the other end rotatory connection of support rod has support screw rod, the other end fixed connection of support screw rod has driven rod, the middle rotatory connection of driven rod has fulcrum rod, the side fixed connection of driven rod has adjusting rod. In the utility model, enhance platform stability, this design operation is simple, compact structure, can fixedly spread of extension board fast, is applicable to industrial maintenance scene etc, has the advantages such as smooth unfolding, locking reliable, strong bearing capacity, effectively promotes work efficiency and security.

The utility model discloses an ostomy bag pouring device which effectively solves the problem that an ostomy bag is inconvenient to pour. Comprising a rectangular box in the left-right direction, an opening of the rectangular box faces rightwards, the left end of the rectangular box is detachably connected with a flushing box, the upper end of the flushing box is connected with a flushing pipe, sliding grooves in the left-right direction are formed in the front side wall and the rear side wall of the rectangular box correspondingly, and sliding plates are slidably connected into the sliding grooves; the front side wall and the rear side wall of the rectangular box are each provided with two vertically-symmetrical guide grooves, the guide grooves are in an inverted L shape and located between the two sliding grooves, rectangular blocks are slidably connected into the guide grooves, and inserting columns inserted into the kidney-shaped grooves in the corresponding sides of the rectangular blocks are fixed to the opposite ends of the rectangular blocks on the front side and the rear side correspondingly. Sliding rods in the left-right direction are fixed to the sides, away from the kidney-shaped grooves, of the rectangular blocks correspondingly, and blocking rods are arranged on the upper side and the lower side of an opening of the rectangular box correspondingly; the device is simple in structure, convenient to operate, novel in conception and high in practicability.

The invention discloses an ultrasonic welding device for sanitary towel edge pressing, and belongs to the field of welding knurling, the ultrasonic welding device comprises a pressing platform, a knurling mechanism is arranged on the pressing platform, a driving mechanism is arranged between the knurling mechanism and the pressing platform, the knurling mechanism comprises a mounting bracket rotationally arranged on the pressing platform, and a circular ring rotating shaft is rotationally arranged on the mounting bracket; a circular ring rotating shaft is arranged on the pressing platform, a circular pulling plate is arranged on the circular ring rotating shaft in a sliding mode, a plug pin is fixedly arranged on the circular pulling plate, an embossing welding roller is detachably installed in the circular ring rotating shaft, the embossing welding roller is fixedly connected with the circular ring rotating shaft through the plug pin, and the embossing welding roller can rotate relative to the installation support; according to the embossing welding roller device, the three sets of embossing welding rollers are arranged to meet different embossing requirements, the overall structure of the device is coherent, the functions are matched with one another, finally, the embossing welding rollers are easily disassembled, and time is saved.

This utility model relates to the field of transfer equipment technology, specifically disclosing a two-stage telescopic mechanism. The mechanism includes a fixed frame, a first lifting frame, a second lifting frame, and two drive units. The fixed frame includes two first male connectors. The first lifting frame includes a first frame plate, one surface of which is fixed with two first female connectors that slide in cooperation with the first male connectors, and the other surface of which is fixed with two second male connectors. The second lifting frame includes a second frame plate, one surface of which is fixed with two second female connectors that slide in cooperation with the second male connectors, and its bottom has a through-hole, with the two second female connectors located on opposite sides of the through-hole. One drive unit is fixed to the fixed frame and located between the two first male connectors, and the other drive unit is fixed to the first lifting frame and at least partially passes through the through-hole. This mechanism simplifies the specific structure, reduces the space occupied, and achieves precise transfer of products to be processed.

This invention relates to a carrier, which includes a support frame and a first wheel assembly and a second wheel assembly respectively disposed at the bottom of the support frame. The support frame includes a surrounding frame, a support frame disposed below the surrounding frame, and a support assembly connected between the surrounding frame and the support frame. The support assembly is foldable in the vertical direction. During the vertical folding process of the surrounding frame and the support frame, the first wheel frame of the first wheel assembly and the second wheel frame of the second wheel assembly can rotate towards each other and retract relative to the support frame, so that the first wheel body and the second wheel body move closer to each other in the front-back direction. This reduces the number of operation steps, decreases the overall size of the folded carrier, and also makes the structure of the folded carrier flatter.

The utility model discloses a compact line industrial and mining lamp relates to lighting device field, including the lamp shell of strip shape, the edge of both ends of lamp shell width direction is equipped with the flange extending to the direction away from the lamp shell, the back of lamp shell is equipped with a plurality of cooling fins, and the end of cooling fin length direction extends to the flange and is integrated with the flange, and the cooling fin of both ends of lamp shell length direction is equipped with the ceiling structure, and the front of lamp shell is equipped with the recessed groove body to the cooling fin side, and the lens and light source PCB are sequentially arranged in the direction of lamp shell front to back, the middle part of lens is fixedly connected with inductor, and the back of lamp shell is fixedly connected with the power box of being located cooling fin outside and being cylindrical, and the control structure is equipped in the power box, and the wall surface of both sides of power box and lamp shell is equipped with the wire -through part, and this line industrial and mining lamp structure is compact, and the volume is small, and the power box of cylindrical cooperation strip shape lamp shell design makes the appearance of lamp novel.

This invention discloses a three-stage displacement-related friction energy dissipation device and method, comprising a nested layer consisting of an integrally formed U-shaped outer layer and an I-shaped inner layer, with long friction blocks and U-shaped concave surfaces respectively on the U-shaped outer layer and the I-shaped inner layer; it also includes an intercalation layer with short friction blocks and arc-shaped protrusions corresponding to the long friction blocks and U-shaped concave surfaces. The two arms of the intercalation layer are inserted into the gap between the long friction blocks and U-shaped concave surfaces of the U-shaped outer layer and the I-shaped inner layer of the nested layer, and slide relative to the nested layer to achieve the first level of limiting; a second level of limiting is achieved by a screw sequentially penetrating the nested U-shaped outer layer, the intercalation layer, and the I-shaped inner layer. This invention achieves three-stage variable stiffness friction adaptive energy dissipation by providing constant friction force during the small displacement stage, exponentially increasing friction force during the medium displacement stage, and mechanically limiting and locking during the large displacement stage, which can better adapt to the differentiated requirements of structures for damping force and stiffness under earthquakes of different intensities.

This application relates to the field of artificial intelligence technology, and in particular to a knowledge graph question answering method, system, and storage medium based on structural induction and differentiable connectivity constraints. It decomposes natural language questions to obtain seed entities, employs personalized random walks around these seed entities to obtain their structural importance distribution, and integrates this distribution with semantic similarity as a retrieval criterion to filter candidate entity subgraphs. A gated graph neural network with geometric features such as hop count and node degree is introduced into the candidate subgraphs for structural inductive reasoning. Furthermore, differentiable connectivity constraints are constructed to softly model entity rewards and edge costs, ensuring the compact connectivity of the reasoning subgraph. End-to-end optimization is performed by combining question answering main loss, ranking loss, and connectivity regularization, thereby achieving accurate reasoning and prediction of answer entities in the knowledge graph.

The utility model discloses a riveting buffer that can be guided relates to riveting tool technical field. Including split type buffer ring and split type fixed ring, split type buffer ring is connected in split type fixed ring one end for pre -compaction on the riveting processing surface of board to prevent the deformation of board, and split type fixed ring is used for the positioning guide of the riveting of riveting joint, split type buffer ring includes two groups semicircular buffer ring, and two groups semicircular buffer ring are buckled to form the split type buffer ring of circular ring shape, split type fixed ring includes two groups semicircular fixed ring, and two groups semicircular fixed ring are buckled to form the split type fixed ring of circular ring shape, and the end face on one end of semicircular fixed ring is provided with the connecting structure for with one end fixed connection of semicircular buffer ring, and the butt joint structure is set up between two groups semicircular fixed ring for making two groups semicircular fixed ring butt joint buckling.

The utility model discloses a small-caliber central thermal insulation pipe for a medium-deep geothermal well, which comprises an inner pipe and an outer pipe, two ends of the inner pipe and the outer pipe are annularly connected to form a sealed cavity, a thermal insulation layer wrapping the inner pipe is arranged in the sealed cavity, the thermal insulation layer is of a layered structure, a BOPET (biaxially oriented polyethylene terephthalate) film is used as a base material, and a layer of aluminum film is electroplated on the BOPET film. The BOPET film base material is combined with the electroplated aluminum film, so that the reflection performance of the heat preservation layer is enhanced, outward heat transfer of internal heat is effectively blocked, the light weight and high strength of the heat preservation layer are guaranteed, and the heat preservation layer is compact and flat in structure and convenient to wrap. Due to the design of the strip-shaped ribs, the strength of a coating object is improved, deformation or damage of the heat preservation layer in long-time use is prevented, meanwhile, the strip-shaped ribs can serve as coating datum lines, axis alignment during coating is guaranteed, dislocation of the heat preservation layer at the connector is reduced, flatness is guaranteed, the heat reflectivity and the heat preservation effect are improved, and accurate positioning of constructors is facilitated; the construction efficiency is improved.

The present disclosure provides a light emitting diode and a light emitting diode preparation method. The light emitting diode comprises a first epitaxial structure, a second epitaxial structure, a first insulating reflective layer, a connecting electrode and a second insulating reflective layer; the first epitaxial structure and the second epitaxial structure each comprise a step structure, the step structure comprising a step top surface and a step bottom surface; the first epitaxial structure and the second epitaxial structure are arranged at intervals; the first insulating reflective layer is located in an isolation groove between the first epitaxial structure and the second epitaxial structure, and one side of the surface of the first insulating reflective layer is connected to the step bottom surface of the first epitaxial structure, and the other side of the surface of the first insulating reflective layer is connected to the step top surface of the second epitaxial structure; the connecting electrode is located on the first insulating reflective layer and is electrically connected to the step bottom surface of the first epitaxial structure and the step top surface of the second epitaxial structure, respectively; and the second insulating reflective layer covers the connecting electrode, the first insulating reflective layer, the first epitaxial structure and the second epitaxial structure.

The utility model discloses an integrated casing line structure, door casing line and wall body guard board belong to door and window technical field. One end of adjusting plug -in board and casing board integrative setting are set up with, and the width extension direction of adjusting plug -in board and the width extension direction of casing board are set up perpendicularly, and the end of adjusting plug -in board away from casing board is used for inserting the fixed section bar glue injection slot and is fixed, is equipped with the cutting groove on adjusting plug -in board, and cutting groove is used for guiding cutting adjusting plug -in board to make adjusting plug -in board can be according to the width adjustment of different thickness wall hole. The integrated casing line structure disclosed by the utility model can be adaptively cut according to the need of door hole thickness, and the flexibility of size adjustment is realized.

The utility model discloses a mortise and tenon ladder type bridge, including by two sides parallel's edge beam and the ladder type bridge main unit of the connection two side edge beam's a plurality of crosspieces are formed. In the bridge main unit one end, at least one side's edge beam end portion is equipped with tenon, is equipped with the mortise eye that cooperates with it in the other end corresponding position, and the adjacent bridge main unit is inserted into the mortise eye and realizes the insertion connection through tenon. The cooperation structure of tenon and mortise eye can limit the relative displacement of bridge in the plane perpendicular to the insertion direction, and can bear axial tension, and the contact surface guarantees electrical continuity. The mortise and tenon structure can adopt stamping, welding, casting and other modes and is connected with the edge beam, and can cooperate locking device and realize firm connection. The utility model realizes the modularization connection of bridge, and the installation is convenient, and the strength is high, and the conductivity is excellent, is applicable to the quick assembly and maintenance in the cable laying system.

This utility model discloses a top-discharge intermittent reactor, belonging to the field of reactor technology. It includes a reactor body and a top-discharge unit. The top of the reactor body is sealed and fixed with a reactor lid, and a heating jacket is provided on the outside of the reactor body. A stirring motor for driving a stirring paddle is fixed on the reactor lid. The reactor lid also has a feeding gate valve and a discharge port. A discharge pipe is connected to the inside of the discharge port, extending to the bottom of the reactor body, and a safety gap is provided between the discharge pipe and the stirring paddle. The top-discharge unit includes a filter tank supported and fixed to the top of the reactor body by a bracket, with a feeding flange installed on the top of the filter tank. A filter basket is provided inside the filter tank, fitting snugly against the inner wall of the filter tank. The bottom of the filter tank is connected to the inside of the reactor body via a return valve. This top-discharge intermittent reactor can completely discharge the reaction-generated material from the reactor body, ensuring more thorough discharge.

The utility model discloses a novel vacuum glue supply mechanism, include: sheet metal cover, the bottom of sheet metal cover is provided with universal brake wheel, the surface of sheet metal cover is hinged with sealed door, one side of sheet metal cover top is provided with three -color lamp, one side of sheet metal cover inner wall is fixedly connected with vacuum pump, one side of sheet metal cover is fixedly connected with control box, glue component, the bottom of glue component is fixedly connected with sheet metal cover inner wall bottom, and glue component is used to extrude the glue in the bucket downwards, and cooperates vacuum suction to complete glue outlet, the utility model relates to glue supply mechanism technical field. The novel vacuum glue supply mechanism, utilize the setting of glue component, when replacing glue, through the interstice between the pressure plate of vacuum pump, carry out air extraction treatment, until extract a small amount of glue to the interstice of vacuum pressure disc, and the exhaust action is only executed after vacuum keeping stable, and the bottom structure of vacuum pressure disc is relatively flat, and the glue can reach the bottom of the bucket, and the glue loss is very small.

The invention discloses a multi-degree-of-freedom adjustable magnetorheological polishing device for an inner flow channel of a three-dimensional bent pipe, and belongs to the technical field of ultra-precision machining equipment. The device comprises a magnetorheological fluid reciprocating driving system, a multi-degree-of-freedom adjustable clamping platform, a lifting device, a three-dimensional pipe bending workpiece and a sliding guide rail, the magnetorheological fluid reciprocating driving system is matched with a connector through four air cylinders to achieve magnetorheological fluid reciprocating driving, the multi-degree-of-freedom adjustable clamping platform can adjust the angles of the air cylinders in multiple dimensions, a lifting device and a sliding guide rail are matched with bent pipes of different sizes and specifications, and accurate butt joint of the air cylinders and the bent pipes is guaranteed. The problems that a traditional platform can only machine straight pipes and is poor in clamping universality are solved, and the ultra-precision machining platform can be widely applied to ultra-precision machining of various complex inner flow channel components.

The invention provides a semiconductor device, a manufacturing method thereof and electronic equipment. The manufacturing method of the semiconductor device comprises the following steps: sequentially and alternately manufacturing initial sacrificial layers and initial semiconductor layers on a first surface of a substrate; bonding the outermost initial sacrificial layer on the first surface of the substrate with the first substrate; thinning the substrate until the thickness of the substrate is equal to that of the initial semiconductor layer; sequentially and alternately manufacturing an initial sacrificial layer and an initial semiconductor layer on the second surface of the thinned substrate to obtain a laminated structure arranged on one surface of the first substrate; manufacturing a first storage unit lamination based on the lamination structure; a first interconnection lamination layer is manufactured, the first interconnection lamination layer is at least electrically connected with the first storage unit lamination layer, and a first semiconductor structure is obtained; manufacturing a second semiconductor structure based on the same steps; and bonding the first semiconductor structure and the second semiconductor structure to obtain the semiconductor device. According to the invention, the number of epitaxial layers and the overall thickness of the semiconductor device are increased, and the problem of wafer warping is relieved.

The utility model relates to textile machinery technical field discloses a kind of knitted fabric density's knitted fabric machine head structure, including needle body and positioning box, the top of needle body is fixedly connected with the locking assembly for being locked with external structure, the top of locking assembly is fixedly connected with sharp needle, the inside of positioning box is slidably connected with sliding box, the inside of sliding box is equipped with two card mouth, the inner wall of sharp needle is slidably connected in the positioning box, the inner wall of card mouth is movably connected with movable ball, the inner wall of sliding box is fixedly connected with magnetic disc, in the utility model, external connecting rod drives sharp needle to change position, so that two movable balls are clamped into the inner wall of two buckles, when needle head knits, its top is using magnetic attraction locking detachable connection structure, the quick installation and replacement of needle head are facilitated, production efficiency is improved, and connection is stable.

The application discloses a medical composite catheter, which comprises a tube body, the tube body comprises an inner layer, a middle supporting layer and an outer layer, the tube body is provided with an expansion detection assembly at the end, a plurality of movable pull wires are arranged between the middle supporting layer and the outer layer, the expansion detection assembly comprises at least two ring bodies, the pull wires pass through one of the ring bodies and are connected to the other ring body, a plurality of elastic members are arranged between the two ring bodies through which the pull wires pass, the plurality of ring bodies are covered with an elastic film, a plurality of detection units are arranged on the elastic film, the plurality of pull wires are pulled at the same time to drive the elastic members to bend, so that the expansion detection assembly expands outward, and the detection unit comprises a temperature sensor and a pressure sensor. The expansion detection assembly is arranged at the end of the tube body, the detection units are arranged on the expansion detection assembly, the plurality of pull wires are pulled at the same time to drive the elastic members to bend, the elastic film expands outward, is closely attached to soft tissues, and the temperature and the pressure can be detected at the same time.

This utility model discloses an adjustable prefabricated sub-frame for variable cross-section glass in glass curtain walls, including tempered insulated glass. A column is provided on one side of the tempered insulated glass, and a foam rod is bonded to the column. A glass support block is fixed to one end of the foam rod. A first crossbeam cover is provided on the left side of the glass support block. An adjustable crossbeam is located on the left side of the first crossbeam cover, and a second crossbeam cover is installed on the left side of the crossbeam. This optimized adjustable sub-frame allows for easy adjustment to maintain a flat glass surface even with different glass thicknesses on the exterior glass curtain wall. It also offers good stability, a simple structure, saves time and labor, and is highly practical. By verifying the actual thickness required for the glass curtain wall after segmentation based on the actual site dimensions, the adjustable sub-frame can be mass-produced using molds, making the entire construction process, installation, and disassembly more convenient.

The application relates to the field of space intelligence, and provides a cross-scene space intelligent semantic topology generation method and system. In the process of constructing a cross-scene space semantic topology, a transition region modeling mechanism with a transition node as a core is introduced, regions where mutations in geometric structures, semantic attributes and topological scales simultaneously occur between different space scenes are identified, expanded and processed as independent objects, and the problem of semantic rupture, topological distortion and space incoherence caused by simple splicing at the scene boundary level in the prior art is avoided. The transition node is structurally expanded based on a topological connection relationship, a transition region reflecting the connectivity of different space scenes is constructed, and semantic transition consistency constraints and topological structure deformation compensation are implemented in the transition region. In addition, the application combines a multi-scale topological self-adaptive adjustment mechanism, so that the cross-scene semantic topology can dynamically adjust node granularity and topological levels under different space scales.

This utility model belongs to the technical field of lighting equipment, and provides a supplementary light and a camera device incorporating it. The supplementary light includes a supplementary lighting device, a heat dissipation device, a driving device, and a power conversion device. The heat dissipation device is connected to the supplementary lighting device on the side facing away from the light-emitting surface of the supplementary lighting device to dissipate heat. One side of the driving device drives and connects to the supplementary lighting device. The power conversion device is located on the side of the supplementary lighting device and is connected to the driving device on the other side. The supplementary light proposed by this utility model can dissipate heat from the supplementary lighting device through the heat dissipation device, ensuring that the supplementary light can provide a stable and continuous light source. The various components of the supplementary light have reasonable relative positions, making the overall structure of the supplementary light more compact, reducing the space occupied by the supplementary light, facilitating user operation, and helping to improve the overall stability of the equipment, while reducing production costs and complexity.

The invention provides a preparation method of a large-area ultrathin perovskite single crystal. The preparation method comprises the following steps: S1, obtaining a perovskite seed crystal; s2, putting the perovskite seed crystal in the step S1 into a first solvent, and heating to carry out heat treatment on the perovskite seed crystal to change a surface microstructure; s3, placing the treated perovskite seed crystal in a glass container, sequentially adding a second solvent and a perovskite precursor growth solution, and placing the glass container on a heating stage to obtain a perovskite single crystal with the thickness of 1-2cm; s4, fixing the perovskite single crystal on a glass sheet by using paraffin, cutting off seed crystals in the perovskite single crystal by using a blade, and thinning the perovskite single crystal to obtain a large-area ultrathin perovskite single crystal wafer; wherein the second solvent in the step S3 is immiscible with the perovskite precursor growth solution, and the density of the second solvent is smaller than that of the perovskite precursor growth solution. The method has the advantages of inhibiting the growth of the crystal in the vertical direction, reducing the carrier recombination rate and reducing the crack and breakage probability.

The application discloses an oral ulcer film and a preparation method thereof, and belongs to the medical field. The oral ulcer film comprises a double-layer film layer and a carrier layer of a loaded film layer. The double-layer film layer comprises a tightly adhered outer film layer and an inner film layer. The outer film layer is adhered to the carrier layer. The inner film layer comprises the following components in weight fractions: 20-25 parts of phosphorylated chitosan, 15-20 parts of polyvinyl alcohol, 10-12 parts of gelatin protein and 3-5 parts of a TG enzyme-antipain complex. The outer film layer comprises the following components in weight fractions: 35-40 parts of a temperature-sensitive salt condensation polymer, 20-25 parts of a carboxylated protein and 8-10 parts of glycerol monostearate. The carrier layer comprises the following components in weight fractions: 70-80 parts of a hydrophilic fiber-gelatin modifier, 6-8 parts of a saliva stimulating factor and 15-20 parts of glycerol. The film can maintain good structural flatness.

This utility model belongs to the field of double-sided tape production, and in particular, it is a die-cutting waste removal device for double-sided tape production. Addressing the problems of existing roll structures being fixed and unable to shrink, making it difficult to quickly separate the roll from the waste material and inconvenient to remove, the following solution is proposed: A mounting plate is provided, with a guide roller and an air shaft rotatably connected to one side of the mounting plate; a roll is sleeved on the outside of the air shaft, and the roll includes a first arc-shaped plate and a second arc-shaped plate, both coaxial with the air shaft; multiple connecting parts are arranged in two rows opposite the first and second arc-shaped plates, and the connecting parts include connecting sleeves and connecting rods. In this utility model, the roll can be detached from the air shaft and then retracted, reducing the resistance between the roll and the waste material, facilitating the removal of the wound waste material, and ensuring the continuous overall structure of the roll's outer edge, preventing the waste material from being cut during removal.