16results about How to "Tight fit" patented technology

According to the special-shaped FPC and the manufacturing method thereof, the pre-formed special-shaped flexible base material layer is arranged, the shape of the pre-formed special-shaped flexible base material layer is directly matched with the special-shaped surface of a target installation space, and a circuit layer, an insulation covering layer and a special-shaped supporting layer are all attached to the special-shaped surface of the special-shaped flexible base material layer, so that the FPC does not need to be forcibly bent, twisted or stretched subsequently, and the production efficiency is improved. The problems of circuit breakage and delamination caused by stress concentration are fundamentally avoided, the structural stability of the FPC is improved, and the service life of the FPC is prolonged. The flexible circuit board is used for solving the technical problem that in order to achieve special-shaped layout, the plane of an existing flexible circuit board generally needs to be forcibly bent, twisted or stretched.

This utility model relates to the field of foundation pit protection technology and discloses a protective device for water tank foundation pits. It comprises at least one set of two main protective railings, two connecting plates, and secondary protective railings equidistantly arranged between the two connecting plates. Movable seats are fixedly installed at equal intervals on the inner side of each connecting plate. This device achieves overall optimization of the protection system through a multi-layered reinforcement structure. The double-rib design built into the main protective railings forms a parallel reinforcement structure, effectively resisting the horizontal earth pressure on the sidewalls of the foundation pit. Experimental calculations show that under the same load conditions, the deformation of the railing is reduced by more than 40% compared to traditional single-layer structures. The hollow core slab uses a grid structure composed of reinforcing rib seats and reinforcing rib columns to form a three-dimensional support system. The diameter of the reinforcing rib columns is 1 / 3 to 1 / 2 of the height of the reinforcing rib seats, and the surface is provided with annular reinforcing ribs. This parameter configuration increases the compressive strength of the hollow core slab to over 8 MPa.

The utility model relates to a luminous floor tile which comprises a tile body, the tile body is provided with an installation groove which is arranged in a penetrating mode in the horizontal direction, and a lamp strip is installed in the installation groove in a penetrating mode. The base is attached to the bottom of the brick body in the vertical direction, a wire passing groove is formed in one side of the base, the wire passing groove is connected with the tail end of the mounting groove, and a lead connected with the lamp strip is mounted in the wire passing groove; the adhesive tape layer wraps and is attached to the periphery of the tile body and the periphery of the base in the vertical direction, the adhesive tape layer is made of an elastic material, and the adhesive tape layer is used for filling a gap between the light-emitting floor tile and the ground after the light-emitting floor tile is installed in the ground. By means of the brick body and the base which are arranged in an attached mode, higher bearing strength is achieved, the adhesive tape layer wraps the periphery of the brick body and the base, the integrating degree of the brick body and the ground is high, and material decay and structure looseness caused by rainwater permeation are avoided.

The utility model provides a kind of charging base of magnetic attraction lamp, belong to lamp holder technical field, including base, the upper center of base is equipped with docking groove, still including the lamp body of being inserted in docking groove, it is characterized by: the bottom two sides of lamp body are equipped with two insertion rods, and positioning hole is opened on the circumferential side wall of insertion rod, and the upper two sides of base are equipped with positioning mechanism, when lamp body is inserted in docking groove, positioning mechanism can be inserted into positioning hole, realize the limiting of insertion rod and the plug direction of lamp body;The utility model can limit the plug direction after lamp panel installation, realize double fixing by magnetic attraction and positioning mechanism, improve the stability of lamp panel and charging base connection, prevent lamp panel from appearing loose and falling off.

The utility model belongs to the technical field of rubber pipe joints, and particularly relates to an ultrahigh-pressure rubber pipe joint assembly, which comprises a pipe joint and a flange, and is characterized in that connecting parts are arranged on two sides of the pipe joint, slope structures with wide outsides and narrow insides are arranged on the connecting parts, and slope grooves matched with the slope structures are arranged on one side of the flange; the pipe joint comprises a framework layer, an inner rubber layer arranged in the framework layer and an outer rubber layer arranged outside the framework layer. A slope structure with the wide outer portion and the narrow inner portion is arranged on the connecting portion of the pipe connector and matched with the slope groove in the flange. Due to the design that the slope surface structure is wide outside and narrow inside, the connecting part can be firmly embedded between the flanges when being pressed, so that the compression resistance of the pipe joint is obviously enhanced, and the pressure grade of the whole rubber pipe joint is effectively improved.

The invention provides a stator punching sheet structure, a stator core and a motor, the stator punching sheet structure comprises a yoke part and a tooth part, the yoke part is provided with a second groove and a third groove, along the circumferential direction of the yoke part, the second groove is arranged close to one side of the yoke part, the third groove is arranged close to the other side of the yoke part, and the tooth part is arranged on the yoke part. The tooth part is provided with a second bulge and a third bulge, the second bulge is matched with the second groove, the third bulge is matched with the third groove, the tooth part is positioned at the joint of two adjacent yoke parts, the second bulge is matched with the second groove of one yoke part, and the third bulge is matched with the third groove of the other yoke part. And the third bulge is matched with the third groove of the other yoke part. According to the stator punching sheet, the technical problem that in the prior art, the tooth part and the yoke part of the stator punching sheet must be welded, and consequently the process difficulty is large can be solved.

This utility model relates to the field of self-unloading coal slag, and discloses a self-unloading coal slag box, including a frame, a hopper mounted on the frame, a discharge port at the bottom of the hopper, a discharge plate slidably mounted at the discharge port at the bottom of the hopper, a pneumatic device mounted on the frame at the discharge port, the pneumatic device being connected to the discharge plate and used to drive the discharge plate to open and close at the discharge port, and a dust removal device being mounted at the sliding connection between the discharge port and the discharge plate, the dust removal device being used to discharge the coal slag at the discharge port, and the discharge plate and the dust removal device being linked. The pneumatic device is connected to the discharge plate, and the discharge plate can be directly controlled by the pneumatic device, thereby controlling the opening and closing of the discharge port. When the coal slag box is unloading or after unloading and the device structure is restored, the coal slag embedded in the gaps or grooves is automatically removed, avoiding the jamming problem caused by the accumulation of coal slag. This design significantly improves equipment reliability, reduces the frequency of manual cleaning, avoids equipment failure, simplifies the operation process through the linkage design, and improves efficiency.

This utility model discloses a sealing, anti-retraction, self-locking socket joint, relating to the field of socket joints. The utility model includes a socket joint with multiple parallel convex rings on its outer wall. Annular grooves are also formed on both sides of the outer wall, with a compensation ring and a sealing ring respectively inside the grooves. This utility model utilizes the elastic compensation effect of the nickel-titanium alloy compensation rings to continuously apply pressure to the sealing ring, compensating for aging or gap changes in the sealing ring, solving the problem of "effective sealing in the short term but failure in the long term," and extending the sealing life. Furthermore, the triangular cross-section of the convex rings has the characteristics of "good guidance and tight fit," facilitating insertion into the matching groove of the socket during installation. After insertion, the hypotenuse of the triangle can form a "barbed" engagement with the inner wall of the groove, resulting in stronger axial resistance and preventing the joint from dislodging due to fluid pressure or vibration.

The application belongs to the technical field of building construction, and particularly relates to a prefabricated elevator shaft inner wall anti-falling noise reduction plate and a mounting method, which comprises a noise reduction plate, cast-in-place concrete and an anti-falling connecting piece, the anti-falling connecting piece is horizontally arranged and embedded in the cast-in-place concrete, the noise reduction plate and the cast-in-place concrete are integrally formed through the anti-falling connecting piece, the noise reduction plate comprises a convex block plate and a concave groove plate, a plurality of convex block portions are arranged on the side surface of the convex block plate close to the concave groove plate, a plurality of concave groove portions corresponding to the convex block portions are arranged on the side surface of the concave groove plate, and the side surface of the concave groove plate away from the convex block plate is fixedly connected with the cast-in-place concrete through the anti-falling connecting piece; compared with the prior art, the application has the advantages and positive effects that the cost is low, the wall cost is reduced, the building wall noise reduction and structure integration can be realized, the building wall heat preservation and structure have the same service life, and the problems of high maintenance cost and high maintenance frequency of the traditional sound absorption and noise reduction system are solved.

The utility model discloses an automobile steering lamp 2PIN power supply automobile gauge connector, comprising a rubber base, a rubber shell, a positioning auxiliary member, a male terminal and a female terminal, the rubber base is inserted in the rubber shell, and the male terminal and the female terminal are mutually inserted in two terminal holes of the rubber base; the two sides of the rubber base are provided with abutting surfaces, and the two abutting surfaces are opposite to the two terminal holes. An inserting groove is formed between the two abutting faces in the front-back direction, and limiting holes are formed in the abutting faces. Abutting wings extend from the two sides of the positioning auxiliary part, and the positioning auxiliary part is buckled on the rubber base by covering the abutting surfaces with the abutting wings; a plug connector and an abutting connector are arranged on the bottom face of the positioning auxiliary part, the positioning auxiliary part and the rubber base are fixed in an inserted mode by inserting the plug connector into the plug groove, and abutting of the female terminal is achieved by inserting the abutting connector into the limiting hole. Therefore, good compactness and use strength can be provided. Meanwhile, a buckle is arranged on the positioning auxiliary piece to be locked with the rubber shell, so that the stability can be improved; the whole structure is more compact in matching, higher in bonding strength and more stable.

The invention relates to the technical field of machine learning, and particularly provides a time sequence prediction method and system based on multi-scale feature reconstruction and multi-expert fusion, and the method comprises the steps: obtaining and preprocessing multi-source time sequence data, and constructing a structured feature matrix; performing multi-scale feature reconstruction on the sequence in the matrix by using three groups of one-dimensional convolutional networks with different receptive fields to obtain reconstructed feature sample sets with local, medium and global scales; performing time sequence slicing on the sample set, and calculating statistical characteristics in each slice; for the sample slices of each scale, respectively obtaining three prediction components of basic linear extrapolation, covariant linear correction and nonlinear residual through parallel branches; based on the statistical characteristics, dynamically fusing the three components through a gating network to obtain branch prediction results of all scales; and finally, fusing all branch prediction results through a full-connection network, and outputting a final prediction value. According to the method, the accuracy, robustness and practicability of time sequence prediction are effectively improved.

Provided is a treated copper foil which can be firmly adhered to a substrate at a smooth interface having small irregularities. Also provided are: a laminate in which a substrate and a treated copper foil are firmly adhered to each other at a smooth interface having small irregularities; and a method for producing the laminate. It is found that by using a treated copper foil in which a conductive layer (B) containing silver (b1) is laminated on a copper foil (A) having small irregularities on a surface, the copper foil (A) and a base material (D) can be firmly bonded in close contact at a smooth interface having small irregularities, thereby completing the present invention.

This application relates to an extraction needle for use in a beverage machine extractor, comprising an extraction needle body, which includes a step, a main body, a connecting shaft, and a needle. One end of the step is connected to the main body, and the outer circumference of the main body is provided with external threads. One end of the main body is provided with a connecting shaft, which has symmetrically provided opening grooves on its circumference. The other end of the step is provided with a needle, which has a through hole inside and a lateral hole that can be formed on its side wall. The main body has a countersunk hole, the end of which communicates with the through hole. The needle may have a connecting cone, the small end of which is connected to the top point. The top point is conical with a bevel to form a needle tip, and its surface can be hardened. Symmetrical keyways are provided on both sides of the outer circumference of the main body, and blind holes are provided inside. A central shaft is provided at the center of the blind holes. Several reinforcing ribs are provided circumferentially between the outer circumference of the central shaft and the inner circumference of the blind holes to form a cavity. An internally threaded hole may be provided at the end of the central shaft. This application has the advantages of stable structure, reliable connection, good piercing effect, and convenient fluid transportation and installation.

The utility model discloses a kind of anti-static filter bag support, it is related to anti-static filter bag field, including fixed mounting plate, mounting lug seat and support ring, the quantity of fixed mounting plate is two, the mounting lug seat is integrally formed in the front end of fixed mounting plate, the support ring is located in the middle of two mounting lug seats, the side of mounting lug seat is threadedly installed with adjusting installation knob. The utility model can adjust the left and right positions and use angle of support ring, so that the support can be quickly adapted to different installation space, avoid the deformation or static electricity accumulation of filter bag due to position deviation, automatic opening mechanism ensures that filter bag does not collapse in use, reduces the generation of frictional electrostatic, filter bag is outwardly pried open after installation, maintains stable airflow distribution, reduces electrostatic discharge risk, simultaneously through the setting of lifting installation structure, lifting sleeve ring slides along extension mounting rod, fastens position by positioning knob, can freely adjust the height of filter bag mounting plate according to filter bag size.

An auxiliary clamping device of a blowing mold comprises an operation table, supporting plates, hydraulic cylinders, a left clamping arm and a right clamping arm, the supporting plates are fixedly arranged at the two ends of the upper portion of the operation table respectively, the hydraulic cylinders are fixedly installed on the supporting plates respectively, the telescopic end of one hydraulic cylinder is connected with the left clamping arm, and the telescopic end of the other hydraulic cylinder is connected with the right clamping arm. The clamping device is characterized in that the left clamping arm and the right clamping arm are connected with the hydraulic cylinders through quick release assemblies, elastic ropes are arranged on the outer side faces of the two ends of the left clamping arm respectively, the tail ends of the elastic ropes are connected with fixing rings, the fixing rings are matched with fixing columns, and the fixing columns are connected with the left clamping arm and the right clamping arm respectively. The fixing column is installed on the outer side face of the right clamping arm, detachable connection between the two clamping arms used for clamping the die and the telescopic end of the hydraulic cylinder is achieved by designing the quick disassembly assembly, and therefore the requirement that the matched clamping arms can be replaced for dies of different models and types is met, and the practicability of the auxiliary clamping equipment is enhanced.

The application relates to the research field of artificial intelligence assisted nanoparticle property prediction and design, and discloses a nanoparticle reverse design method based on Quasi-SMILES and a recurrent neural network, which designs a generation module and a prediction module: the generation module mainly utilizes a recurrent neural network to learn structure information of the nanoparticle, a nuclear species, a shape, a particle size, a ligand and a ligand number, and automatically generates a brand-new nano structure; the prediction module predicts numerical values of nanoparticle hydrophilicity and cell uptake through a model constructed by a classical machine learning algorithm; finally, researchers can select nanoparticles with required properties for synthesis and experimental verification according to the predicted values. Through the method, researchers can reasonably design nanoparticles with required properties and biological effects according to the model constructed by the researchers without constructing a huge compound library with prior knowledge.