41 results about "Open cavity" patented technology

The utility model provides door bottom sound insulation sealing device belongs to door and window sealing technical field, the utility model provides door bottom sound insulation sealing device includes fixed base, sealing structure and lift adjusting assembly. The sealing structure is embedded in the fixed base, sealing structure can move up and down along the height direction of fixed base, and sealing structure is connected with lift adjusting assembly. When the press end of lift adjusting assembly is pressed, make the sealing structure move to the outside of opening cavity with the push part, thereby lift the sealing structure out of the outside of fixed base, the sealing structure fills the gap between the bottom of sound insulation door or sound insulation window and outer frame, thereby reaches the sealing sound insulation effect, and sealing structure sets up in the opening cavity, therefore when the sealing strip is aged, only need to replace sealing structure can solve the technical problem that the sealing strip aging leads to the poor sound insulation effect.

The utility model discloses a kind of processing positioning devices of multi-faceted parts, including bridge plate, the both ends of bridge plate are provided with rotary connecting piece, two rotary connecting pieces have common axis;Bridge plate is provided with several positioning modules, the installation angle of multi-faceted part on each positioning module is different;Positioning module includes oppositely arranged limiting component and pressing assembly, limiting component can limit multi-faceted part, pressing assembly can press multi-faceted part on limiting component;Limiting component and pressing assembly are workpiece positioning open cavity between, each positioning module is linearly arranged along the direction of common axis, and common axis sequentially passes through workpiece positioning open cavity in each positioning module. The utility model can reduce the time required for multi-faceted part clamping, improve the processing efficiency of multi-faceted part.

The utility model relates to food processing technical field, concretely relates to a kind of industrialization multilayer pollution prevention chicken steaming equipment, including support frame, the support frame is U-shaped hollow structure, the both ends of support frame are fixedly installed with multiple hanging parts, multiple the hanging part is all installed with multiple layer plate connecting rod, the inside of both sides layer plate connecting rod is fixedly installed with steaming part.The utility model is through being provided with multiple blood foam groove between layer plate connecting rod, effectively prevent blood foam drop pollution lower chicken body in the steaming process, improve the evenness of colour and lustre and sensory quality of product, by adopting the setting of multilayer stacking, substantially improve space utilization, improve the production capacity of single processing, meet the requirement of industrialization batch production, equipment is semi-open cavity, can make internal steam evenly distribute in the process of steaming, guarantee the stability of processing product.

A connector block for a stator housing is disclosed. The connector block includes a housing forming an open cavity that has first and second access openings and a grommet arranged in the first access opening to seal access into the cavity via the first access opening. A seal having a first surface facing out from the cavity and a second surface facing into the cavity is also included. The seal is arranged in the second access opening to seal access into the cavity via the second access opening. A steel plate is arranged on the second surface of the seal. A terminal is arranged within the cavity. The terminal includes a first opening arranged to receive any connector passing through the grommet and at least one wire crimping element arranged to receive crimping ends of wire or wires passing through the second access opening.

This utility model provides a shock-absorbing and anti-slip device for mounting on the support legs of a washing machine. The device includes an upper shock-absorbing edge area and a lower shock-absorbing and anti-slip area. The shock-absorbing edge area has an open cavity, and a shock-absorbing component is located at the bottom of the cavity. The shock-absorbing component includes multiple buffer columns of the same height. The support legs are housed in the cavity and in close contact with the buffer columns. The shock-absorbing and anti-slip area includes a flat anti-slip layer in the middle of the bottom and a sealing protective layer on the outer perimeter of the bottom. Multiple anti-slip suction cups are located within the flat anti-slip layer, and both the suction cups and the sealing protective layer can adhere to the ground. The shock-absorbing and anti-slip device of this utility model significantly improves the shock-absorbing and anti-slip effect, effectively reducing the impact of washing machine vibration on the surrounding environment and extending the service life of the washing machine.

This invention discloses a method and structure for suppressing the second mode wave of a high-speed boundary layer to delay transition, relating to the field of boundary layer flow control technology. The method for suppressing the second mode wave of a high-speed boundary layer to delay transition includes: determining the synchronization point of a conical high-speed boundary layer according to the design incoming flow conditions; and setting an open cavity between the leading edge of the conical high-speed boundary layer and the synchronization point. The large-sized open cavity on the surface of the conical high-speed boundary layer can effectively suppress the growth of the second mode wave, thereby delaying the transition of the high-speed boundary layer. This is beneficial for achieving laminar flow design of the conical high-speed boundary layer and reducing aerodynamic losses and aerodynamic heat caused by transition in the high-speed boundary layer.

This application relates to a rice steaming bag and cooking device. The rice steaming bag includes a main body and a lid. The main body has an open placement cavity. The main body includes a circumferential surface defining the placement cavity. The circumferential surface includes a sealing layer, a gel layer, and a breathable layer arranged sequentially from the outside to the inside. The sealing layer is made of a sealing material, the gel layer is made of hydrogel, and the breathable layer has vents communicating with the placement cavity. The gel layer is exposed to the placement cavity through the vents. The lid is placed on the main body and covers the open cavity when the lid is closed. The end faces of the main body (excluding the circumferential surface) and / or the end faces of the lid have vents communicating with the outside. This solution can be applied to microgravity environments, such as space, to steam rice in a microgravity environment. Only washed rice grains need to be placed in the rice steaming bag beforehand; no additional water is needed, making the rice steaming process convenient and simple.

This utility model discloses a construction ventilation device, relating to the field of construction ventilation technology. The utility model includes a main body with a through-cavity on its side. A fan is fixedly installed inside the cavity. A fixing frame is installed on the side of the cavity, and an opening is installed on the side of the fixing frame. A connecting pipe is provided between the cavity and the fixing frame, with its two ends threaded into the cavity and the opening, respectively. Auxiliary mechanisms that can be moved are arranged in a circumferential array at equal intervals on the side of the main body. This utility model optimizes the airflow path and reduces leakage through the cooperation of the retractable connecting pipe and the horn-shaped cavity. The rollers in the auxiliary mechanisms adopt an elastic support structure, and by adjusting the position of the bracket, the rollers adaptively conform to the inner wall of the pipe, ensuring the stability of the device in different pipe diameters and enabling flexible movement via a micro-motor drive. This solves the problems of poor fixation adaptability and difficulty in movement of traditional devices.

The utility model provides a kind of metal wall-hanging board with fireproof function, comprising: plate body;Fireproof layer is arranged on the one side of plate body outer surface, and the periphery of fireproof layer outer surface is provided with bolt, and fireproof layer includes barrier plate, opens cavity, water storage film capsule, fixed plate, water pipe and installation cover, barrier plate is arranged in the middle of one side of plate body outer surface, opens cavity is opened in the middle inside barrier plate, water storage film capsule is arranged in the inside of opens cavity, and fixed plate is fixedly installed in the one side of barrier plate outer surface.The utility model provides a kind of metal wall-hanging board with fireproof function, by assembling fireproof layer on the surface of plate body, barrier plate inside is provided with water storage film capsule to store water source, and water storage film capsule is melted by flame burning barrier plate, and water flows out in water storage film capsule to extinguish fire, the device structure is simple, and practicality is strong, water storage film capsule has the effect of “resisting flame+delay melting+controllable water release” in flame environment, and the fireproof effect of wall-hanging board is improved.

Aspects of the present disclosure provide a surgical robot (10) deployed in a body lumen inside a human or animal subject, the robot comprising: an inflatable frame (12) having a folded state for delivery to a target site in the lumen and an inflated state in which the frame defines an open cavity (18); a manipulator (14) movable within the cavity for operating a medical device; and a soft actuator (16) operable by fluid pressure to move the manipulator (14) by applying force between the frame (12) and the manipulator, the frame (12) being positioned around the soft actuator (16) to provide protection between the soft actuator and the body lumen.

This invention discloses a reagent kit for detecting tacrolimus concentration in whole blood. The kit includes a box, a container rack, multiple reagent bottles, and a working solution preparation tube. The container rack is fixedly installed in the box and has multiple cavities. The reagent bottles and the working solution preparation tube are placed in the cavities. The working solution preparation tube consists of an upper chamber and a lower chamber. The lower chamber is an open cavity. The bottom end of the upper chamber is engaged with the top end of the lower chamber, forming a sealed cavity. A cap is provided at the top end of the upper chamber. A conical portion is provided inside the lower chamber, extending upwards from the bottom end of the lower chamber to contact the bottom end of the upper chamber. This invention simplifies the working solution preparation steps in traditional methods, eliminating the need for repeated weighing and pipetting, improving solution preparation efficiency, further saving time and costs, and increasing detection efficiency.

The present application belongs to the technical field of pressure stabilizing device in fluid transmission and control circuit, and particularly relates to a dosing system with damping pressure stabilization. A safety discharge pipeline and an exhaust pipeline are arranged between a metering pump and a damping pressure stabilization valve, the safety discharge pipeline is connected with a safety valve, the exhaust pipeline is connected with an exhaust valve, and the damping pressure stabilization valve is connected with a dosing pipeline. The damping pressure stabilization valve is structured as follows: a piston column is arranged in a valve seat, an adjusting spring is connected with the upper end of the piston column, a locking nut, an adjusting screw and a protective cap are connected with the upper end of the adjusting spring, and the energy dissipation inner cavity of the damping pressure stabilization valve is divided into two parts by a diaphragm, an upper part is an open cavity, and a lower part is a closed cavity. The damping pressure stabilization valve is provided with a gas supplementing port, and the gas supplementing port is provided with a pressure gauge. The present application guarantees the sealability of the system and the reliability of the equipment.

The application relates to a transfer system applied in the field of material production, which comprises a mounting frame, a feeding station, a core-removing station and a discharging station arranged on the mounting frame in sequence, a material receiving mechanism arranged on the mounting frame, a driving mechanism arranged on the mounting frame and used for driving the material receiving mechanism to move to the feeding station, the core-removing station and the discharging station in sequence, the material receiving mechanism comprising a positioning device and a cavity opening device, the cavity opening device being provided with a receiving space, and the positioning device being used for pushing and positioning a fruit half in the receiving space. The application has the technical effect that the movement of the material receiving mechanism replaces the mechanical hand in the carrying of the opening process and the core-removing process, realizes the continuous circulation of the feeding station-core-removing station-discharging station, reduces the waiting between processes caused by the traditional mechanical hand carrying in the related art, realizes the comprehensive effect of the reduction of the carrying times and the compact connection of the processes, and significantly improves the overall efficiency of the material production.

The present application relates to a backpack blower, wherein the frame body (10) comprises a support member (10a) close to the side where the person carries it. When viewed from the back side of the support member (10a), the support member (10a) comprises a central support portion (1) and an edge support portions (2). The central axis (L1) of the central support portion (1) and the edge line of the edge support portions form a first virtual plane (S1) and a second virtual plane (S2), respectively. The first virtual plane (S1) and the second virtual plane (S2) extend obliquely from the center outward to form an inwardly recessed open cavity on the back side (S) of the support member (10a). When viewed from the side opposite to the back side (S) of the support member (10a), the support member (10a) comprises an operation component mounting portion (4) suitable for mounting and connecting an operation component, which at least comprises a drive motor. The mutually spaced central support portion (1) and edge support portions (2) form an intermittent multi-segment support on the back of the operation component mounting portion (4). This technical solution improves carrying comfort and the structural strength of the backpack frame.

Variations in a thermal structure for an open cavity photonic integrated circuit (OCPIC) having an MRR. The structure includes an air trench in fluid communication with an air cavity that is located under the MRR. The air trench is a gap / opening in the oxide that encircles at least a portion of the MRR and extends outward radially therefrom, with a consistent width, to a diameter D1. An oxide cladding is not removed in areas that are used for metal traces and routing. The structure is characterized by straight walls along the air trench. The structure has a lower diameter D2, measured at a bottom / floor of the air cavity. In various embodiments, D2 is substantially equal to D1.

This application provides a chip packaging structure and electronic device, relating to the field of chip technology, which avoids various problems caused by the use of isolation cavities in the prior art. The packaging structure includes a substrate, a chip disposed on the substrate, a molding structure, and at least one radiation suppression structure. The molding structure encapsulates the chip, and the chip contains a radiating device. The radiation suppression structure includes a metal layer and at least one connection structure, with the connection structure connected to an edge region of the metal layer. The metal layer is disposed on the side of the molding structure away from the substrate, and the metal layer overlaps with the projection of a first region of the chip onto the substrate. The metal layer is electrically connected to a ground terminal in the substrate through the connection structure. The first region is a local area in the chip where the radiating device is disposed. This radiation suppression structure uses an open-cavity resonant structure to suppress radiation, avoiding various problems caused by the use of isolation cavities in the prior art.

This utility model relates to the field of flowerpot technology, and discloses a flowerpot and its water tank detection and connection structure, as well as its water-absorbing core anti-pull structure. A flowerpot includes: a pot body, a water tank, and a fixing component. The pot body has an open planting cavity for accommodating planting substrate and plants, and also has an open mounting cavity. The water tank is slidably installed in the mounting cavity through the open cavity, forming a conductive space between the water tank and the planting cavity. The water tank stores water and supplies water to the planting substrate and plants in the planting cavity through the conductive space. The fixing component is disposed between the pot body and the water tank, and is used to restrict the relative movement of the pot body and the water tank. By setting the fixing component between the pot body and the water tank, the water tank is ensured to be stable and reliable during sliding operations or daily use, effectively preventing accidental detachment due to external forces such as movement, wind, or accidental contact.

This invention relates to the technical field of converter enclosures, and more particularly to a converter enclosure and assembly cabinet, comprising a mounting frame including four vertically distributed columns and connecting columns at both ends of the columns, with a connecting column between each pair of adjacent columns, the four connecting columns at one end of the columns forming a U-shape; and a closed frame including cover plates at both ends of the columns and connected to the connecting columns, wherein a door panel, a back panel, and a partition are respectively provided between three sets of adjacent pairs of columns, and the cover plates, door panels, back panels, and partitions form an open cavity. This converter enclosure and assembly cabinet, by setting the cover plates, door panels, back panels, and partitions to form an open cavity, allows adjacent converter enclosures to be connected through the open cavity when multiple converter enclosures are assembled into an assembly cabinet, saving redundant partitions and reducing material consumption, processing time, and auxiliary material costs.

This utility model discloses a front anti-collision structure that balances the installation of adjacent components and MPDB barrier collision compatibility, including an anti-collision beam and an energy-absorbing box. The anti-collision beam is a B-shaped integrated structure with a lower flange, composed of a vertically arranged upper cavity, middle cavity, lower cavity, and flange. The anti-collision beam is rolled from a single piece of steel plate. The upper and lower cavities are closed cavities, while the middle cavity is an open cavity with its opening facing the energy-absorbing box. The flange is located on the front side of the anti-collision beam. The head of the energy-absorbing box matches the shape of the anti-collision beam. The upper and lower cavities of the anti-collision beam are respectively connected to the energy-absorbing box. This utility model features convenient installation of adjacent components and good MPDB barrier collision compatibility.

An electronic circuit and an electromagnetic shielding cap for the electronic circuit are disclosed. The electromagnetic shielding cap includes: a main surface; four side surfaces; a first side surface of the four side surfaces including a recessed portion formed by an open cavity located in and at the base of the first side surface; the height of the first side surface is less than the height of the other side surfaces of the four side surfaces. The electronic circuit includes: a substrate having a first main surface including at least one metal pad; a chip bonded to the first main surface of the substrate; a first cap forming the electromagnetic shielding cap; and a second cap stacked and disposed on the first main surface of the substrate; the first cap includes a main surface and four side surfaces; the first side surface of the four side surfaces includes a recessed portion formed by an open cavity located in and at the base of the first side surface; solder joints disposed in the recessed portion, which are soldered to the metal pads and to at least one wall of the recessed portion, the solder joints being configured to assemble the first cap and the substrate to each other.

The utility model discloses a kind of wax products pickling's baking device, it includes baking cavity, adjusting screw rod, telescopic cover, movable baffle and transmission assembly.By rotating adjusting screw rod, drive transmission sleeve to rise, stretch telescopic cover covers baking cavity top to form closed environment, while movable baffle rotates folding and opens cavity side wall under the action of guide slide rail, convenient to load and unload wax products.In addition, transmission pin B and transmission track cooperate to realize linkage, further optimize operation efficiency.The present application can effectively reduce heat loss, improve heat energy utilization, and simplify loading and unloading steps, significantly improve work efficiency.

The present invention relates to a holding device (100) for a bottle cap applicator (300). The holding device (100) comprises an open cavity (102) configured to accommodate a bottle cap (200). One or more protrusions (120) are provided on a circumferential surface portion (104) of the open cavity (102) and extend radially inwardly from the circumferential surface portion (104), wherein the one or more protrusions (120) are configured to cooperate with a circumferential weakening line (202a, 202b) of the bottle cap (200) by pressing the bottle cap (200) at a location (L) of the weakening line (202a, 202b) when the bottle cap (200) is accommodated in the open cavity (102); or the one or more protrusions (120) cooperate with a bottom edge (204) of the bottle cap (200) by engaging the bottle cap (200) at a location (L') of the bottom edge (204) when the bottle cap (200) is accommodated in the open cavity (102), thereby preventing the bottle cap (200) from being accidentally removed from the open cavity (102). The present invention further provides a bottle cap applicator (300), a food packaging system (400) and a method (500).

The application belongs to the technical field of magnetic core manufacturing, and discloses a magnetic core forming die and a magnetic core production method. The magnetic core forming die comprises a female die, a floating die, a lower die, a core rod and an upper die. The female die, the floating die, the lower die and the core rod are sequentially sleeved and form an open cavity. The end of the core rod protrudes from the open cavity or is flush with the edge of the open cavity. The floating die, the lower die and the core rod form a first groove. The floating die is slidably connected with the groove and the core rod. The upper die is provided with a second groove. The upper die can be pressed into the open cavity to compact the magnetic powder in the open cavity and the first groove. When the upper die is pressed into the open cavity, the end of the core rod extends into the second groove, thereby realizing the effects of adjusting the density of the winding part and forming the weight-reducing holes on the winding part.

The application provides a steam generator, belonging to the technical field of steam generation, which comprises a heat exchange part, an upper header provided with a steam outlet at the top, and a lower header provided with a water inlet at the bottom. The upper header is in annular structure and is communicated with the lower header through a plurality of finned tubes. The upper header is sunken into a combustion chamber, and a vapor-liquid separation plate and a spiral plate are sequentially arranged in the upper header from bottom to top. An open cavity is arranged on the spiral plate. The steam generator can quickly generate high-saturation steam, effectively improving energy efficiency and production efficiency.

The present application relates to the technical field of aero-engine manufacturing, and particularly relates to a protection tool and method for shot blasting of a turbine disk of an aero-engine. The protection tool comprises a protection cover provided with a left-side open cavity, and the inner surfaces of the front and rear side walls of the protection cover are provided with a plurality of fitting ribs for being embedded into tooth grooves on the side surfaces of tenons, and the protection cover is tightly covered through precise fitting of the fitting ribs and the tooth grooves. Preferably, the tool further comprises a clamp composed of a U-shaped frame, a driving screw and a pressing block, which is used for tightly clamping the protection cover on the tenons. The protection cover is made of elastic and wear-resistant materials such as rubber. The protection tool of the present application can accurately and reliably protect the tooth profile surfaces on both sides of the tenons from being damaged by shot particles during the shot blasting process, and solves the problems of the traditional adhesive tape protection method, such as poor fitting, low efficiency, easy residue of adhesive stains and the like, significantly improves the quality and efficiency of the shot blasting strengthening process, and reduces the production cost.

The utility model discloses a hidden panel structure for furniture, including hand -held seat, panel and locking device, the hand -held seat is the cavity of upper end is equipped with opening, the rear wall of cavity is arc shape and is surrounded into the guide cavity, the rear end both sides arc of panel extend and have the crank, the crank includes arc portion and horizontal portion, the horizontal portion is horizontal with panel, the end of horizontal portion is equipped with pivot part, pivot part rotatory mounting is in the both sides of hand -held seat, the rear end of panel is in line with the guide cavity, the locking device is located in the both sides of hand -held seat, and the locking device is used for locking when the opening of panel is shielded, when the locking device is unlocked, the panel can be driven under the elasticity and stretches into the cavity and makes its upper end part stretch out. Through being equipped with the cooperation of the opening cavity hand -held seat and the panel, and then can realize the hiding of panel when opening, and the hand -held seat and the panel are integrative when the opening is closed, have improved the design aesthetic feeling of furniture.

This invention provides a molding die for concrete performance testing, comprising a base plate, a fixed limiting structure, a movable clamping unit, and an adjusting component. The fixed limiting structure has a first open cavity with one side open; the movable clamping unit has a second open cavity with its opening facing the first open cavity and movable in the opening direction of the first open cavity; the adjusting component is disposed between the fixed limiting structure and the movable clamping unit, and is used to enclose the base plate, the first open cavity, and the second open cavity to form a variable molding cavity. The molding die for concrete performance testing provided by this invention, with the adjusting component enclosing the base plate, the first open cavity, and the second open cavity to form a variable molding cavity, allows the second open cavity to move in the opening direction of the first open cavity. This enables the adjusting component to adjust the size of the molding cavity, facilitating the production of concrete blocks of different sizes to adapt to different performance testing tasks, resulting in good applicability, reduced production costs, and high practicality.