395 results about "Open cavity" patented technology

The invention relates to the technical field of semiconductor luminescence, and discloses a manufacturing method of a lens module, a mold, the lens module and a sensor device. The manufacturing method comprises the following steps: S1, arranging at least two cavity structures with upper and lower openings in the bearing part; the upper mold and the lower mold are each internally provided with a mold cavity with an opening in one side. And mold cavities of the upper mold and the lower mold extend into the cavity structure from the upper opening end and the lower opening end of the bearing part correspondingly to be aligned and closed. And a gap is reserved between the upper mold and the lower mold in the mold closing process. And S2, a mold cavity for mold closing is filled with the light-transmitting glue, and the redundant light-transmitting glue flows out through gaps in the peripheries of the upper mold and the lower mold and adheres to the inner wall of the bearing part. And S3, after curing, the upper mold and the lower mold are moved away, and a first lens and a second lens are formed in the two cavity structures respectively. The manufacturing method is simple and high in efficiency, and the manufactured sensor device is simple and stable in structure, good in sealing performance, high in precision and easy to optically design.

The present application relates to the technical field of automobiles, and provides an anti-fouling device for an automobile reverse camera, a control method and an automobile. The device includes: a cleaning chamber, which has an open cavity and is arranged close to the reverse camera, and a liquid spraying port and a blowing port are arranged in the cavity; two lenses, which are connected side by side along a plane and rotatably connected to the cleaning chamber, and the two lenses are respectively located in front of the reverse camera and in the cavity; a rotary motor, which drives the two lenses to rotate; a soft door, which is arranged on the opening of the cleaning chamber and has a door slit; a cleaning member, which is arranged on the inner wall of the cavity; a liquid sprayer is communicated with the liquid spraying port and can spray liquid into the cavity through the liquid spraying port; a hair dryer is communicated with the blowing port and can blow air into the cavity through the blowing port; a controller, which is respectively connected to the rotary motor, the liquid sprayer and the hair dryer. The present application has the effect of automatically cleaning the front lens of the reverse camera, ensuring the normal use of the reverse camera, and improving the safety of automobile driving.

The automatic cat litter basin screening device comprises a base, a roller, a supporting seat and a screen mesh, an arc-shaped open groove matched with the roller is formed in the base, the roller is rotationally arranged in the arc-shaped open groove, an open cavity and a first discharge opening penetrating through the side wall of the open cavity are formed in the roller, and the screen mesh is arranged in the open cavity. The supporting seat is slidably arranged on the inner wall, adjacent to the first discharge port, of the open cavity, the screen is rotatably arranged on the side wall of the supporting seat and located at the bottom of the open cavity, and the supporting seat is used for driving the screen to be lifted to the position above the first discharge port, and then the screen can turn over towards the first discharge port and is used for pouring urine into the first discharge port. After the defecation of the screen is completed, the roller can drive the supporting seat and the screen to rotate, and the screen can turn over back to the first discharge hole, so that the supporting seat can drive the screen to reset. According to the embodiment of the invention, the supporting seat drives the screen to lift up, and after defecation in cat litter is screened out, the defecation is poured through overturning of the screen, so that extrusion to the defecation is effectively avoided, and the adhesion condition of the defecation is reduced.

An assembly tool for a belleville spring assembly is provided with a base, a telescopic boss, a telescopic boss driving device, a positioning stud and a locking nut. The telescopic boss driving device adopts a pneumatic mode and is connected with an external high-pressure air source; the base is a square pedestal, a cavity with an opening in the upper end is formed in the middle of the base and is of a stepped cylindrical hole structure, the diameter of a cavity body of the cavity is smaller than that of the bottom of the cavity, a telescopic boss is assembled in the cavity in a vertically movable mode, and a sealing ring is assembled between the inner wall of the cavity and the telescopic boss. The bottom of the cavity is communicated with the telescopic boss driving device through a gas pipeline; the telescopic boss is of a cylinder structure, and the upper end face of the telescopic boss is a horizontal plane. The positioning studs are fixed to the four corners of the base, and the locking nuts are assembled on the positioning studs. According to the utility model, the assembly quality of the belleville spring assembly is ensured, and the purposes of meeting the use performance requirements of the belleville spring and improving the working efficiency are achieved.

The invention discloses a sample pretreatment mechanism which comprises a first material taking mechanism and a cover opening and closing mechanism, the first material taking mechanism is used for carrying a first material to a cover opening position, the cover opening and closing mechanism is used for opening a cover of the first material at the cover opening position, and the first material is used for containing a liquid sample; the second material taking mechanism is used for carrying a second material to a liquid injection position; the liquid separation mechanism comprises a material taking assembly and a driving assembly, the material taking assembly is used for taking a third material, the third material is provided with a volume-variable open cavity, and the driving assembly is used for driving the cavity of the third material to change so as to realize suction and discharge of the liquid sample by the third material; the operation position of the material taking assembly at least passes through the cover opening position and the liquid injection position. The sample pretreatment mechanism provided by the invention can realize automatic arrangement of the sample container and the split charging bottle, and can realize automatic liquid taking and liquid injection processes through the material taking assembly, and manual operation is not needed, so that the split charging efficiency is improved.

The invention relates to a contactless, multimodal biometric device (1) for the biometric verification and / or biometric identification of a person, comprehensive: - one processing unit (20), - a first camera unit (4) arranged to scan a space outside the biometric device (1) or in an open cavity of the biometric device (1) and comprising a first lens (4b) and a first camera sensor (4a) connected to a processing unit (20), and - a first proximity sensor (6) for measuring the distance of an object located in the space detected by the first camera unit (4) from the first proximity sensor (6), which is connected to the processing unit (20) for transmitting the measured distance values, - wherein the first lens (4b) is designed as a liquid lens and is connected to the processing unit (20) to receive signals for its focusing based on the distance values ​​measured by the first proximity sensor (6).

An integrated electronic brake system assembly electrical performance test platform disclosed by the present invention comprises a complete machine frame and a test execution mechanism, the test execution mechanism comprises a base plate, a clamping tool and a thrust test tool are installed on the base plate, the clamping tool comprises two clamping blocks and a positioning bottom block, the two clamping blocks are slidably installed on the base plate, and the thrust test tool is installed on the positioning bottom block. The positioning bottom block is used for supporting an assembly workpiece, the clamping blocks are internally provided with open cavities, the two clamping blocks are configured to be close to each other to slide and clamp the assembly workpiece through the open cavities, the clamping stability is improved, and the clamping blocks are matched with a thrust testing tool to perform force application testing on a push rod of the assembly workpiece. According to the invention, the test of related data can be automatically carried out only by connecting the assembly workpiece with the corresponding signal receiving equipment through the line and the pipeline, the working states of the assembly workpiece in different temperature environments can be simulated through the arrangement of the interlayer and the cooperation of the input pipe and the output pipe, and the diversification of the test data is improved.

An optical integrated circuit includes a substrate, at least one open cavity provided in said substrate, at least one set of optical waveguides for each open cavity, each set including a first optical waveguide and a second optical waveguide. The first and second optical waveguides are arranged in the substrate and include a first end facet ending in the open cavity of that set, and a first collimating element for each set. The first collimating element is arranged in the open cavity at or near the first end facet of the first optical waveguide to collimate light from that waveguide. A second collimating element for each set is arranged in the open cavity at or near the first end facet of the second optical waveguide to collimate light into that waveguide. A method for fabricating the same.

A method of forming a semiconductor device is provided. The method includes placing a semiconductor die and routing structure on a carrier substrate. At least a portion of the semiconductor die and routing structure are encapsulated with an encapsulant. A cavity formed in the encapsulant. A top portion of the routing structure is exposed through the cavity. A conductive trace is formed to interconnect the semiconductor die with the routing structure.

A reciprocating linear movement massaging apparatus, having a shell, a massaging assembly provided in the shell, a driving mechanism for driving the massaging assembly to perform reciprocating linear movement axially along the shell, and an electric control device for controlling the driving mechanism; the driving mechanism comprises a stator assembly and a mover assembly, an air gap is provided between the stator assembly and the mover assembly; the stator assembly comprises (an) annular coil(s) provided in the shell, the mover assembly comprises a plurality of magnets provided in the annular coil(s), the plurality of magnets enclose to be an annular magnet; the annular magnet is transmissively connected with the massaging assembly and the massaging assembly is located in an annular space enclosed by the annular magnet, and an open cavity is provided in the massaging assembly for receiving a human part to be massaged.

An electronic device can include a housing defining an internal volume and having a thickness, a pressure sensor disposed in the internal volume, a display assembly coupled to the housing, the display assembly including a transparent cover defining an external surface. The transparent cover can be separated from the housing to define an open cavity in fluid communication with an external environment, and a port can be defined by the housing and can extend within a thickness of the housing, the port extending from the cavity to the pressure sensor.

The application discloses a height adjusting structure of a shower rod upper slide seat, which comprises a shower rod and a slide seat arranged outside the shower rod, wherein a socket for placing a shower head is arranged on the slide seat, the socket is located on one side of the shower rod, and the slide seat comprises a slide seat body, an open cavity with an opening arranged at one end of the slide seat body, a through hole communicating with the cavity and penetrating through the slide seat body from top to bottom, the shower rod is arranged in the through hole, and the socket is slidably arranged at the opening; a friction assembly is movably arranged in the cavity and can be in abutting cooperation or separated cooperation with the side of the shower rod away from the socket; the socket is linked with the friction assembly, when the socket drives the friction assembly to be separated from the shower rod along the radial direction of the shower rod; and a reset member is arranged in the cavity and is used for providing a reset force for the friction assembly and the socket. The application does not need to additionally arrange a button or a knob, the slide seat can be driven to slide up and down by directly driving the socket, the structure is simple, the operation is convenient, and the appearance is more simple.

The utility model discloses an outer pipe assembly which comprises an outer pipe body, a working cylinder, an electromagnetic valve pipe, a connecting sealing ring, a connecting sealing lining, a bottom cover, a connecting fork, a bottom valve assembly, an inner open cavity, a piston, a sealing auxiliary part, a check ring, a clamping spring and a guider outer O-shaped ring. The temperature sensor further comprises an external seat, an inner insertion cavity, an external circuit board, a temperature sensor and an inner limiting assembly. The utility model has the following advantages and effects: the temperature at the piston is monitored by arranging the temperature sensor, and the temperature sensor also has the advantage of being convenient to mount / dismount.

The utility model discloses mechanical equipment, and relates to the technical field of mowers, and the mechanical equipment comprises a shell and a top module external structure; the top module external structure comprises a communication module and a module mounting groove formed in the shell, the module mounting groove is opened upwards, an opening cavity is formed in the module mounting groove, the opening cavity is located on the inner side of the shell and communicates with the outer side of the shell at the opening position, and a module outer sealing plate is mounted at the opening position of the module mounting groove; a module connecting hole is formed in the bottom of the open cavity, and the communication module is vertically installed in the open cavity and is fixedly connected with a module interface in the module connecting hole in an inserted mode. According to the mechanical equipment, rapid installation and replacement of the communication module are realized, the problem of poor accessibility and replaceability caused by a built-in module in the prior art is effectively solved, and meanwhile, the installation stability of the communication module and the communication stability of the equipment under complex terrains are enhanced.

A dynamoelectric machine includes a shaft, a rotor arranged fixedly on the shaft for conjoint rotation, and a slip ring system enabling a rotor winding system to be contacted electrically and including a slip ring body having slip rings arranged spaced-apart axially behind one another and assigned to an electrical phase. The slip ring body is connected fixedly to the shaft for conjoint rotation and has between an inner side thereof and the shaft a section which forms an axially open cavity on both skies. In a region of the slip ring system, the shaft is hollow with a hollow shaft portion assigned to the slip ring system for routing feed lines to the rotor winding system. Recesses are provided on the cavity axially on an inside and axially on an outside for introducing a cooling medium flow axially into the cavity and discharge thereof into an outlet region.

The invention discloses an acoustic cavity structure, a manufacturing method thereof and electronic equipment. The sound cavity structure comprises a middle frame assembly, a screen assembly and a loudspeaker, the middle frame assembly comprises a middle frame and a sealing dustproof piece, the middle frame comprises a first through hole, and the sealing dustproof piece comprises a second through hole. The sealing dustproof piece is attached to the second surface of the middle frame and covers the first through hole, and the first through hole is communicated with the second through hole. The screen assembly is attached to the first surface of the middle frame, and the loudspeaker is attached to the sealing dustproof piece. The loudspeaker comprises an open cavity facing the first through hole, and the open cavity, the second through hole, the first through hole and the screen assembly define an equivalent sound cavity of the loudspeaker. By adopting the loudspeaker with the open cavity, the thickness of the acoustic cavity structure can be reduced. In this way, the electronic equipment can be lightened and thinned, and meanwhile the equivalent sound cavity can be used for providing a working cavity with the same or higher size for the loudspeaker. The sound cavity structure can be effectively sealed, so that the electronic equipment can be effectively waterproof, and the audio performance of the loudspeaker can be ensured.

A method for manufacturing an implantable lead including an elongated lead body with a plurality of wires and an electrically isolating outer layer, wherein the method comprises:Providing a sleeve having a sealed end and an open cavity opposite the sealed end and including electrically conducting material;Pulling at least one wire out of the lead body;Positioning the pulled end of the at least one wire within the cavity of the sleeve;Forming the sleeve using a pressing tool such that the volume of the cavity is reduced, that the wire is fixed within the sleeve and that an electrical connection of the at least one wire and the formed sleeve is established;Attaching a contact element to the lead body such that the contact element fixes the formed sleeve at the lead body and establishes an electrical connection to the sleeve.

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 relates to the technical field of bone conduction product testing, in particular to bone conduction product testing equipment which comprises a bone conduction sensor device, a sound transmission and sound leakage prevention structure installed on the bone conduction sensor device, and a bone conduction receiver used in cooperation with the sound transmission and sound leakage prevention structure. The sound transmission and sound leakage prevention structure comprises a profiling receiver side part and a profiling receiver bottom part, and the profiling receiver side part is connected to the periphery of the profiling receiver bottom part in a surrounding mode to form a concave open cavity. A profiling sensor bottom is arranged at the bottom of the profiling receiver bottom, and the profiling sensor bottom and the profiling receiver bottom are oppositely arranged; according to the utility model, through the arrangement of the sound transmission and sound leakage prevention structure, when the bone conduction sensor device tests the bone conduction receiver, the vibration of the vibration transmission surface of the bone conduction receiver is transmitted to the bone conduction sensor protruding part of the bone conduction sensor device, and sound leakage between the vibration transmission surface of the bone conduction receiver and the bone conduction sensor protruding part is blocked; and the stability of test work is ensured.

The invention belongs to the technical field of photovoltaic module forming devices, and particularly relates to a photovoltaic module centrifugal forming device which comprises a mounting seat, a forming rotary drum and a multi-shaft driving mechanism, and the mounting seat is provided with an opening cavity formed in the horizontal direction; the forming rotary drum is rotationally connected into the opening cavity, and a first gap is formed between the forming rotary drum and the inner wall of the opening cavity; the multi-shaft driving mechanism is arranged on the mounting base, and a sealing door is arranged at the output end of the multi-shaft driving mechanism. The automatic sealing door is adopted, the door opening or closing speed is effectively increased, meanwhile, even if the temperature of the formed opening cavity is high, the automatic sealing door can linearly open the sealing door, and the cooling efficiency of the opening cavity can be improved; and the cavity opening corresponding to the large-volume sealing door provides a larger operation space for the blanking operation of an operator, so that the operation convenience and practicability of the centrifugal forming device for the photovoltaic module are effectively improved, and the forming efficiency of the photovoltaic module is further improved.

The utility model relates to an SMD (Surface Mount Device) type miniature current transformer which comprises a rectangular transformer shell, one side surface of the transformer shell is provided with an open cavity, the center of the open cavity is provided with an insulating column arranged along the opening direction, the insulating column of the open cavity is sleeved with a circular ring-shaped secondary coil, and the secondary coil is provided with a secondary coil. The secondary coil comprises an annular iron core framework, a coil is wound on the iron core framework, binding posts are arranged at the two ends of the coil, epoxy resin is filled in the open containing cavity, and a sealing cover is arranged at an opening of the open containing cavity. A through core hole is formed in the insulation column, a wire column arranged in the opening direction is arranged at one corner of the open containing cavity, a through wire core hole is formed in the wire column, and a wire groove is formed in the outer side face, corresponding to the bottom face of the open containing cavity, of the mutual inductor shell. The core hole, the wire groove and the wire core hole form a U-shaped cavity, and a U-shaped primary coil is installed in the U-shaped cavity.

The golf club head comprises a club head body, a supporting assembly, a straight rod and a pressing assembly, a straight groove is formed in one side of the club head body, the supporting assembly comprises a supporting plate arranged on the straight groove, a cover plate is arranged on the supporting plate, and the supporting plate can rotate to drive the cover plate to form a closed cavity or an open cavity with the inner wall of the straight groove. The straight rod is fixedly connected to the supporting plate, the straight rod is at least sleeved with one balancing weight, the downward pressing assembly comprises a spring arranged on the inner top wall of the straight groove, the spring is connected with a pressing block, the spring can stretch out to drive the pressing block to be connected to the topmost balancing weight in a pressed mode, and the supporting plate is connected with the inner bottom wall of the straight groove through a connecting assembly and used for fixing the closed cavity. When the gravity center of the rod head body is adjusted, the number of the balancing weights on the straight rod can be directly observed, the number of sleeves on the straight rod is increased or decreased according to the number of the balancing weights, the supporting plate is rotated to drive the cover plate and the inner wall of the straight groove to form a closed cavity for containing the straight rod, and dust, grass clippings and other impurities are not prone to entering in the using process.

The cooking cage structure comprises a plurality of cooking cage frames, the cooking cage frames are stacked in the height direction, and each cooking cage frame is provided with an open rice dumpling containing cavity; supporting columns are arranged on the surfaces, provided with the rice dumpling containing cavities, of the cooking cage frames, the cooking cage frame located on the top layer is detachably provided with an anti-floating cover through the supporting columns, hanging and connecting pieces are arranged on the peripheral side of the anti-floating cover, and the anti-floating cover is connected to the cooking cage frames through the supporting columns and the hanging and connecting pieces. The detachable anti-floating cover covers the cooking cage frame on the top layer, so that the rice dumplings in the cooking cage frame on the top layer are prevented from floating in the water cooking process, the rice dumplings on the top layer are completely immersed in water and are uniformly heated, and the taste of the rice dumplings is improved; the anti-floating cover is detachably installed on the cooking cage frame on the top layer through the hanging pieces and is matched with the supporting columns to achieve rapid positioning and installation, and the working efficiency is improved.

The box structure for range hood and the range hood, the box structure comprises: fan box main body, the inside hollow forms the bottom and the front side open cavity, so that the fan system for range hood is arranged in it, the top wall of the cavity is equipped with the exhaust port for being connected with the air outlet of the fan system, the left and right side edges of the front side open cavity are all folded to the back and extend to the cavity interior to form the folded edge; the back of the cover plate is attached to the front side of the two folded edges to close the front side opening; the first stop piece is arranged on the back of the cover plate and is adjacent to or attached to the back of the two folded edges to block the cover plate from separating from the folded edge; the second stop piece is arranged on the back of the cover plate, above the first stop piece, and is supported on the top wall of the cavity and connected between the top wall of the cavity in a detachable manner; meanwhile, the first stop piece can be moved under the action of the actuator to release the constraint on the two folded edges. The application is convenient to disassemble and can ensure the structural stability.

The utility model relates to a waterproof protective sleeve combined product structure which comprises a corrugated hose and a connecting end which can be separated, one end of the corrugated hose is provided with the connecting end, the connecting end is provided with an open cavity, and the open cavity is communicated with the corrugated hose. The automobile tail door connecting device is simple and ingenious in structure, the corrugated pipe and the connecting end are designed to form a separable mode, and the automobile tail door connecting device can be rapidly installed on an automobile tail door supporting rod.

The application discloses a kind of oil-water separation devices for collecting oil from floating oil in dirty oil pool, including first shell, first shell has multiple, multiple first shell is enclosed to be a closed area, support frame is arranged at the central position of the area enclosed by multiple first shell, support frame can rotate, and outlet and stirring member are set on support frame, oil-water mixture enters into first shell through outlet, first shell has upwardly open cavity, and the lower end surface of cavity has inclined bottom surface, water outlet is set at the central position of bottom surface, valve assembly is set in water outlet.In the use of the device, the oil-water mixture in the first shell can be extracted by the suction assembly, and the use of the limiting assembly can prevent the suction assembly from extracting the lower layer of water (or reduce the amount of water extracted), thereby facilitating the user to use the device.

The invention discloses an optical sensor for measuring gas components of mixing equipment, and belongs to the technical field of gas component detection. Comprising a plurality of arrayed measuring units, and each measuring unit comprises a laser and a detector; the measuring unit further comprises an optical assembly, an air suction cavity, an open type cavity and a main hollow roof prism which are sequentially arranged in the direction of an incident light beam emitted by the laser, the optical assembly is connected with the air suction cavity in a sealed mode, and the air suction cavity is communicated with the open type cavity; the laser and the detector are arranged at the same end of the optical assembly. The compact layout of each structure in the measurement unit is realized, and a plurality of reciprocating light paths are formed in the gas absorption cell formed by the suction cavity and the open cavity by utilizing the reflection of the main hollow roof prism and the optical component to the incident light beam, so that the absorption optical path required by various gas detection is ensured, and the detection accuracy is improved. And the measurement requirements of mixing equipment with various sizes are met.

The invention relates to the technical field of protective emergency masks and oxygen supply, and discloses a mine lifesaving escape oxygen supply mask which comprises a placing box body, a door plate and a pull ring, the door plate is hinged to the middle of one side of the placing box body, the pull ring is fixedly installed in the middle of the inner wall of the door plate, and an insertion buckle is annularly connected to the middle of the pull ring. One end of each inserting buckle is in a trifurcate shape, the adjacent portion of each inserting buckle is an open cavity and is irregular, the visual panel is arranged through the containing box body, miners can conveniently and visually check the state of the face mask, the smoke sensing device and the LED display lamp are combined, a fire disaster can be found in time, the position of the face mask can be accurately indicated, and it is ensured that the miners can rapidly find and use the face mask; the mask body is attached to the face, the soft cushion mouth-nose mask is arranged, the mask is comfortable to wear and free of oppression, the oxygen supply system effectively prevents oxygen from leaking and harmful gas from entering through the design of double filter screens and a sealing gasket, breathing safety is ensured, the oxygen inhalation port and the oxygen exhalation port are separated, gas backflow is avoided, and breathing smoothness is ensured.

A scraper calibration device of additive manufacturing equipment comprises a calibration base, a plurality of distance measuring instruments and a standard block, a stepped and open cavity is formed in the calibration base, and the calibration base is at least provided with a first supporting face, a second supporting face and a mounting face from bottom to top by forming the cavity, a plurality of distance measuring instruments are placed on the first supporting surface, a standard block is placed on the second supporting surface, and the bottom of the standard block is in contact with the tops of the distance measuring instruments; and after the calibration seat is calibrated by the standard block and the cavity is removed, a scraper assembly is placed between the mounting surface and the second supporting surface. The vertical dial indicator and the standard block are combined for calibration, compared with a feeler gauge in the prior art, calibration is more accurate, and for some materials with relatively low scraper strip hardness, as the top of the scraper assembly is installed on the calibration base through the screw, the scraper strip freely falls and is not influenced by the gravity of the scraper assembly, and the calibration accuracy is improved. Therefore, deformation caused by self weight of the scraper assembly can be greatly reduced.