19results about How to "Small rebound" patented technology

The invention provides foldable electronic equipment and a screen assembly. The electronic equipment comprises a screen, a rotating shaft assembly, a first shell, a second shell and an elastic assembly. And the elastic part of the elastic component is made of an elastic material or a non-Newtonian fluid material. And the supporting part of the elastic component is made of a rigid material. The electronic device has an open state and a closed state. When the electronic equipment is in an open state, the elastic assembly is flattened. The screen, the elastic assembly and the rotating shaft assembly are stacked in the thickness direction of the electronic equipment. The elastic part and the supporting part are stacked in the thickness direction of the electronic equipment. The first part of the elastic component is lapped with the first connecting part of the rotating shaft component, and the second part is lapped with the second connecting part of the rotating shaft component. When the electronic equipment is in a closed state, the elastic component is bent, the first part of the elastic component is lapped on the first connecting part, and the second part is lapped on the second connecting part. The falling reliability of the screen of the electronic equipment is high, and the rebound force is small.

The utility model relates to the technical field of batteries, in particular to a cylindrical battery roll core structure, which comprises a roll core piece and a tab, the tab is connected to the axial end of the roll core piece, an indentation groove is arranged on the tab, the indentation groove extends along the direction perpendicular to the axis of the roll core piece, and the indentation groove extends along the direction perpendicular to the axis of the roll core piece. The plurality of indentation grooves are arranged along the axial direction of the core rolling piece; the indentation grooves extend in the direction perpendicular to the axis of the core rolling piece, namely, the indentation grooves extend in the length direction of the tabs, so that the indentation processing mechanism compresses and processes the tabs into the indentation grooves; the plurality of indentation grooves are arranged along the axial direction of the core rolling piece, and the arrangement of the indentation grooves enables the tabs at the end parts of the core rolling piece in the axial direction to be bent from the creases more easily when the tabs are kneaded, so that the required kneading force is smaller, and metal scraps generated during kneading are smaller; therefore, the welding stress between the tabs and the positive pole confluence plate and the negative pole confluence plate is smaller.

A mold structure, pressure processing device, and pressure processing method are disclosed, which can reduce the impact of unstable positioning accuracy caused by the press body, eliminate the need for adjustment of the pressure processing device by a skilled person, have excellent productivity, and are easy to install and disassemble relative to the press body. The mold structure (1) includes a lower mold (3) fixed on a fixed table (2); an upper mold (4) disposed above the lower mold (3); a first elastic body (11) and a stop (10) disposed between the upper mold (4) and the lower mold (3); and a pressure adjustment device (6) connected to the movable table (5) of the upper mold (4). When the pressure processing is not pressurized, the first elastic body (11) separates the upper mold (4) and the lower mold (3). When the pressure processing is pressurized, the stop (10) specifies the bottom dead center position of the upper mold and applies pressure from the movable table (5) to the upper mold (40) through the pressure plate (7) of the pressure adjustment device (6) via the second elastic body (8), thereby clamping the material (30) to be processed between the upper mold (4) and the lower mold (3) for pressurization.

The present invention discloses a flexible circuit board containing a transparent cover film and a preparation method thereof, comprising a transparent composite PI substrate and a transparent cover film formed on at least one side of the transparent composite PI substrate; the transparent composite PI substrate comprises a first copper foil layer, a first UV-resistant transparent polyimide layer, a first UV-resistant transparent adhesive layer and a second copper foil layer from top to bottom; the transparent cover film comprises a second UV-resistant transparent adhesive layer and a second UV-resistant transparent polyimide layer; the glass transition temperature of the first UV-resistant transparent polyimide layer and the glass transition temperature of the second UV-resistant transparent polyimide layer are both greater than 320°C. The circuit board of the present invention has extremely high transmittance, extremely low haze, resistance to QUV irradiation, high Tg, high deflection, low rebound force, voltage resistance and low CTE.

The invention relates to the technical field of agricultural automatic picking equipment, and discloses a tail end grabbing mechanism for picking fruits and vegetables, the tail end grabbing mechanism for picking fruits and vegetables comprises a tail end grabbing mechanism body arranged on a picking mechanical arm, and the tail end grabbing mechanism for picking fruits and vegetables utilizes the arrangement of a movable assembly and the cooperation of bevel gear transmission and thread adjustment to grab the fruits and vegetables. When the flexible fingers clamp fruits and vegetables, a driving block is triggered to slide, a bevel gear is driven by a sliding rod and a rotating shaft to perform transmission, and finally the transmission is converted into lifting motion of a threaded rod and the abutting disc, so that an adaptive clamping space can be provided for picking the fruits and the vegetables, and the abutting disc can be attached to the tops of the fruits and the vegetables during placement to buffer fruit and vegetable falling rebound force; meanwhile, the driving block can be automatically reset through the reset spring, the cyclic operation efficiency of the mechanism is improved, the picking and placing safety is guaranteed, and the risk that fruits and vegetables are damaged is reduced.

The present application relates to the technical field of energy storage, in particular to a circuit board heat dissipation assembly, a preparation method thereof, and an energy storage system, the circuit board heat dissipation assembly comprising a circuit board, a frame, a heat-conducting glue, and a functional component; the circuit board has a heat dissipation area and a connecting area, and the connecting area is arranged around the heat dissipation area; the frame is formed with a heat dissipation cavity; the functional component covers a first open end of the heat dissipation cavity, the circuit board is arranged in the frame through the connecting area to cover a second open end of the heat dissipation cavity, and the heat dissipation area is communicated with the heat dissipation cavity; the heat dissipation area is provided with a glue pouring hole and a glue overflow hole communicated with the heat dissipation cavity; the heat-conducting glue is configured to be injected into the heat dissipation cavity through the glue pouring hole when in a liquid state and solidified, and the heat-conducting glue is fixed to the heat dissipation area and the functional component, respectively. Through the arrangement of the frame and the heat-conducting glue, a heat conduction path is formed between the circuit board and the functional component, heat generated by the circuit board or the functional component can be efficiently conducted and dissipated through the heat-conducting glue, and the operation reliability of the circuit board and the functional component is ensured.

A structure of an intelligent display module for reducing rebound force of a touch FPC comprises a display screen, a display FPC and the touch FPC. The center of the top of the display screen and the touch FPC are arranged together, the center of the bottom of the display screen is provided with a COF driving chip, and the COF driving chip and the display FPC are arranged together; the top of the joint of the touch control FPC and the display FPC is provided with a bending hollowed-out area. According to the structure for reducing the rebound force of the touch control FPC of the intelligent display module, the bending hollowed-out area is arranged at the top position of the joint of the display screen and the touch control FPC, the wires in the bending area are concentrated on the left side and the right side of the touch control FPC, the wires are made to avoid the bending area, and therefore the whole film layer can be hollowed out, and the rebound force of the touch control FPC can be reduced. The rebound stress of the FPC after bending is effectively reduced, and the product reliability is improved.

The application provides a foldable electronic device and a screen assembly. The electronic device comprises a screen, a rotating shaft assembly, a first housing, a second housing and an elastic assembly. The material of the elastic part of the elastic assembly is an elastic material or a non-Newtonian fluid material. The material of the supporting part of the elastic assembly is a rigid material. The electronic device has an open state and a closed state. When the electronic device is in the open state, the elastic assembly is flat. The screen, the elastic assembly and the rotating shaft assembly are stacked in the thickness direction of the electronic device. The elastic part and the supporting part are stacked in the thickness direction of the electronic device. The first part of the elastic assembly overlaps the first connecting part of the rotating shaft assembly, and the second part overlaps the second connecting part of the rotating shaft assembly. When the electronic device is in the closed state, the elastic assembly is bent, the first part of the elastic assembly overlaps the first connecting part, and the second part overlaps the second connecting part. The screen drop reliability of the electronic device is high, and the rebound force is small.

The embodiment of the application provides an electric connector and electronic equipment, relates to the conductive technology field, and is used for solving the problem that the existing electric connector cannot simultaneously have multiple performances. The electric connector comprises an elastic bubble core and a conductive layer. The inside of the elastic bubble core comprises a plurality of bubble holes. The conductive layer is wrapped around the periphery of the elastic bubble core, and the conductive layer comprises at least one nanowire layer. The electric connector can simultaneously meet the comprehensive requirements of low impedance, low rebound force, low harmonic, high rebound and a large working range.

The present application relates to the technical field of cyclone separators, and discloses a cyclone separator for the dry preparation of copper chloride, comprising an outer shell, an inner sleeve movably sleeved at the bottom of the inner cavity of the outer shell, a connecting bracket fixedly mounted at the top of the inner sleeve, a auger disc whose outer surface contacts the top of the inner wall of the outer shell fixedly mounted at the top of the connecting bracket, and an exhaust assembly fixedly mounted at the top of the outer shell. The present application provides a cyclone separator for the dry preparation of copper chloride and its operation method, and for the arrangement of the inner sleeve and its upper structure, when larger solid particles come into contact with the inner wall of the inner sleeve, the inner sleeve can be rotated to reduce the rebound force generated thereon, and then the airflow for conveying the copper chloride solid particles can be increased, while ensuring that the larger solid particles will not rebound and detach, while ensuring that the smaller copper chloride solid particles can effectively contact the inner wall of the inner sleeve.

The utility model discloses a bendable FPC (Flexible Printed Circuit) structure, which is characterized in that a single-layer wiring connection circuit is directly adopted in a bending area, compared with a double-layer wiring non-bending area, the thickness and the hardness of the bendable FPC structure are smaller, and meanwhile, as a grounding flat cable and a metal flat cable are positioned in the same layer of circuit, the bending stress is reduced, and the bending strength is improved. The grounding flat cable is locally provided with a circular metal block used for being in lap joint with the EMI film. The PI covering and exposing of the grounding flat cable are removed, the hardness of the PI layer is reduced, the softening effect is achieved, the thickness and hardness of the FPC are further reduced, the rebound force of the FPC after bending is reduced, and the softening effect is achieved.

The invention provides a flexible display panel and a flexible display device. The flexible display panel comprises a substrate; the display unit is located on the substrate; the supporting layer is located on the side, away from the display unit, of the substrate; the supporting layer comprises a bending area, a first electrode and a second electrode, the bending area is provided with a plurality of slit structures; the plurality of slit structures are arranged in an array, the row direction is the bending axis direction of the bending area, an offset distance exists between two adjacent rows of slit structures, and the offset distance is smaller than or equal to a preset distance. According to the flexible display panel, the slit structures are arranged in the bending areas of the supporting layer, the rebound force of the bending areas of the supporting layer when the flexible display panel is bent is reduced, the staggered distance of every two adjacent rows of slit structures is limited, the thermal resistance of the bending areas is reduced, the heat transfer performance of the bending areas is improved, and the temperature difference of different areas of the flexible display panel is reduced.

The invention discloses a stamping die for machining a filter plate of a transmission oil filter with an edge limiting mechanism. The invention relates to the technical field of stamping dies, comprising a fixing rod, the fixing rod is fixedly connected to a top plate, the outer side of the fixing rod is slidably connected to a fixing plate, the fixing plate is fixedly connected to a return spring on a side of the fixing plate close to the fixing rod, the return spring is fixedly connected to the top plate at one end away from the fixing plate, the fixing rod passes through the return spring, the bottom of the fixing plate is fixedly connected to a punch, the end of the fixing rod away from the top plate is fixedly connected to a connecting plate, the bottom of the fixing plate is rotatably connected to a supporting rod, and the end of the supporting rod away from the fixing plate is rotatably connected to a pressing wheel. The stamping die for machining a filter plate of a transmission oil filter with an edge limiting mechanism drives a thin iron plate to be flattened toward both ends through the pressing wheel, so as to avoid stacking and wrinkling of materials during feeding, incomplete stamping, and poor quality of stamped parts.

This invention relates to the field of energy storage technology, particularly to circuit board heat dissipation components and their manufacturing methods, as well as energy storage systems. The circuit board heat dissipation component includes a circuit board, a frame, thermally conductive adhesive, and functional components. The circuit board includes a substrate and electronic components, with the substrate having a heat dissipation area. The frame forms a heat dissipation cavity. The functional components and the circuit board respectively seal a first opening and a second opening of the heat dissipation cavity, with the heat dissipation area connected to the heat dissipation cavity. The thermally conductive adhesive is configured to be injected into the heat dissipation cavity through the first or second opening in a liquid state and then solidify, fixing the thermally conductive adhesive to both the heat dissipation area and the functional components. When the substrate thickness is between 1.6 mm and 2.0 mm, the frame hardness is between 38 and 70 degrees, and the frame thickness is not less than 6 mm. Through the arrangement of the frame and the thermally conductive adhesive, a heat conduction path is formed between the circuit board and the functional components, enabling efficient conduction and dissipation of heat generated by the circuit board or functional components, ensuring the operational reliability of the circuit board and functional components.

The invention discloses an LCP high-frequency substrate with high Dk and low Df characteristics, comprising at least one copper foil layer, at least one high-dielectric LCP core layer and at least one high-dielectric adhesive layer, wherein the high-dielectric LCP core layer is located between the copper foil layer and the high-dielectric adhesive layer, the high-dielectric LCP core layer refers to a core layer with a Dk value of 6-100 and a Df value of 0.002-0.010, and the high-dielectric adhesive layer refers to an adhesive layer with a Dk value of 6-100 and a Df value of 0.002-0.010; the thickness of the copper foil layer is 1-35 μm; the thickness of the high-dielectric LCP core layer is 12-100 μm, and the thickness of the high-dielectric adhesive layer is 12-100 μm. In the present invention, since both the high-dielectric LCP core layer and the high-dielectric adhesive layer have the characteristics of high Dk and low Df, the prepared LCP high-frequency substrate has excellent high-speed transmission, low loss, high Dk and low Df performance, low roughness, ultra-low water absorption, low rebound force suitable for high-density assembly, good UV laser drilling ability and excellent mechanical properties.

The present invention provides a bending device for steel profile processing and a bending method thereof, belonging to the technical field of steel profile bending. The bending device for steel profile processing comprises a processing table, legs and a bending mechanism, the bottom of the processing table is provided with legs, the bending mechanism is installed on the surface of the processing table, and the bending mechanism comprises a first rotating shaft, a heating chamber, a sleeve and a limit frame. The present invention sets a bending mechanism, drives the sleeve to rotate clockwise through an electric telescopic rod to perform bending, and at the same time, the bracket drives the push rod to move synchronously, thereby driving the first abutment plate to move toward the first cylinder direction, injecting air into the heating chamber through the cavity, and after being heated by the heating coil, spraying it from the first spray hole to the bending part of the profile, uniformly heating the profile, which can improve the plasticity of the material, make more deformation become irreversible plastic deformation, reduce the elastic deformation part, release and reduce the residual stress inside the profile, thereby reducing the rebound force of the profile after bending.

The invention discloses a display module and a manufacturing method thereof.A corner curved surface area of the display module comprises a second transparent adhesive layer, the second transparent adhesive layer is arranged on the surface, facing a display panel, of a cover plate, a part of the second transparent adhesive layer fills a concave part, and the second transparent adhesive layer is arranged on the surface, facing the display panel, of the cover plate; a part of the first transparent adhesive layer is connected with the cover plate, and a part of the first transparent adhesive layer is connected with the second transparent adhesive layer; the second transparent adhesive layer is independently arranged in the corner curved surface area of the display module corresponding to the cover plate and used for filling the concave part of the cover plate, so that the curvature radius of the corner curved surface area of the display module can be reduced, and the bending degree of the module on the side of the display panel fixed to the cover plate is reduced; therefore, the rebound force of the module on the side of the display panel fixed to the cover plate is reduced, and the problem of bubbles generated after the cover plate and the display panel are attached and fixed is solved.

The utility model relates to the technical field of water conservancy mud flat supports, in particular to a water conservancy mud flat support device which comprises a support frame and a bearing plate, the bearing plate is connected to the inner side of the support frame in a sliding mode, and the lower end face of the support frame is fixedly connected with a plurality of protection type support assemblies. The protective support assembly comprises an adjusting screw rod fixedly connected to the lower end face of the support frame, the adjusting screw rod is in threaded connection with a screw sleeve, the lower end of the screw sleeve is fixedly connected with a spiral grounding part, the spiral grounding part is used for fixing the support frame, and a sealing bearing is fixedly installed on the peripheral wall of the screw sleeve. And the outer ring of the sealing bearing is fixedly connected with an outer sleeve. According to the utility model, the adjusting screw rod and the screw sleeve can be effectively prevented from being eroded by water vapor, the operation smoothness of a connecting and adjusting structure in the mud flat supporting device is ensured, the use stability of the mud flat supporting device is ensured, the supporting bracket can be timely and fully cushioned, supported and protected, and the structural strength of the mud flat supporting device is favorably kept.

The utility model provides a kind of cover plate assembly and secondary battery of battery, cover plate assembly includes cover plate, pole and sealing ring;Cover plate includes cover plate body and first communication hole, pole includes first pole part and second pole part, sealing ring includes first sealing part and second sealing part, first pole part passes through first communication hole, first sealing part is set to the outer periphery of first pole part and extends into first communication hole, second sealing part is clamped between cover plate body and second pole part;Second sealing part includes compression segment, the ratio of the thickness of compression segment and ring width is less than 0.4.The utility model increases the escape travel of electrolyte in the radial direction of first communication hole by the ring width of compression segment is designed to be larger value to increase electrolyte escape difficulty, improve the sealing performance of sealing ring without changing the thickness of compression segment.And because the thickness of compression segment is invariable, the rebound force generated after compression segment is compressed is reduced, so the installation difficulty of cover plate assembly is reduced.