28results about How to "Thin structure" patented technology

The invention discloses a motor with a PCB (printed circuit board) coil structure, and relates to the technical field of motors. A rotating shaft as the rotor assembly; the first induction magnet unit and the second induction magnet unit are disc-shaped; a gap is formed between the first induction magnet unit and the second induction magnet unit, and the first induction magnet unit and the second induction magnet unit are coaxially connected and fixed with the rotating shaft to form a rotor; the PCB coil is connected with the front end cover and the rear end cover to form a stator; the PCB coil is arranged in a gap between the first induction magnet unit and the second induction magnet unit; the PCB coil is electrified to generate a magnetic field which interacts with the magnetic field of the induction magnet unit to drive the rotating shaft to rotate; the application of the PCB coil enables the stator and rotor structures of the motor to be simplified, breaks through the complex structure of a traditional motor, enables the manufacturing cost of the motor to be reduced, and solves the problems that the structure of an existing motor is too complex, and the manufacturing cost of the motor cannot be further reduced.

The utility model discloses a rotatable round display stand which comprises a base and a rotary table which are rotationally connected with each other, the rotary table is located above the base, the base comprises a base plate and an installation column, the installation column is located at the center of the top of the base plate, and a journal is arranged on the edge of the top of the installation column. The shaft neck is fixedly sleeved with an inner ring of a tapered roller bearing, a bearing mounting groove is formed in the center of the top of the mounting column, and a thrust ball bearing is fixedly mounted in the bearing mounting groove; a mounting sleeve is downwards arranged in the center of the bottom of the rotary table, and an inner mounting step part is arranged on the inner wall of the lower end of the mounting sleeve; the driving structure is used for driving the rotary table to rotate; the rotary table is supported in the vertical direction through the thrust ball bearing and the two sets of abutting tables, meanwhile, the overall structure of the rotary table is thin, the overall structure is simple, and the rotary table can be conveniently carried to different positions to be used.

This invention relates to the fields of environmental monitoring and biosafety technology, and in particular to a viral aerosol sampling patch for face masks, comprising: a capture layer for intercepting viral aerosol particles in the air; a culture layer disposed inside the capture layer, the culture layer comprising a culture unit supporting the virus to maintain activity and replicate in the presence of a host, a host bacterium sensitive to the virus, and a visual indicator indicating viral replication or host response; and a base layer disposed inside the culture layer; the sampling patch is fixed to the face mask through the base layer, and viral aerosol collection is achieved without external power through the capture layer, and countable detection results are generated after sampling through the culture layer; utilizing the airflow and humidity conditions naturally formed during wearing, effective interception, activity preservation, and visual detection of viral aerosols are achieved without complex equipment and additional operating steps, and the operation is simple and repeatable.

The present invention provides a one-way valve and an aerostat having the same, wherein the one-way valve comprises: a bottom plate, on which a first flow hole is arranged; a valve plate, which is movably arranged on the bottom plate in a direction perpendicular to the bottom plate, and which has a stop-flow position and a flow-through position, wherein when the valve plate is in the stop-flow position, the valve plate abuts against the bottom plate and covers the first flow-through hole, and when the valve plate is in the flow-through position, a gap is formed between the valve plate and the bottom plate, and the gap is connected to the other side of the bottom plate facing away from the valve plate through the first flow-through hole; a connecting structure, wherein the first end of the connecting structure is connected to the valve plate, and the second end of the connecting structure cooperates with the bottom plate to connect the valve plate to the bottom plate. The technical solution of the present invention solves the problem that the one-way valve in the prior art is not suitable for the airbag structure.

The invention discloses a multi-power nano rare earth electrothermal structure and a manufacturing process thereof, comprising a substrate and a multi-power heating element attached to the substrate; the substrate is a conductive substrate or a non-conductive substrate; the multi-power heating element comprises a plurality of power circuit layers stacked in sequence; the multi-power nano rare earth electrothermal structure further comprises an electrode layer, the electrode layer is attached to the multi-power heating element, and the electrode layers are respectively electrically connected to each of the power circuit layers; the invention enables each power circuit layer to work on a different plane, avoids mutual interference between the power circuit layers and the occurrence of cross-current phenomena, and can realize more power combinations at the same time; and no substrate isolation is required between the power circuit layers, so that the overall structure is thinner, suitable for occasions with limited installation, and has the characteristics of faster heat transfer, light weight and strong practicality.

The utility model relates to the technical field of batteries, in particular to a collector plate, a cover plate assembly and a cylindrical battery. The collector plate comprises a plate body and a connecting part, a connecting groove is formed in the plate body, one end of the connecting part is connected into the connecting groove, the connecting part has a first bending state and a second bending state relative to the plate body, when the connecting part is in the first bending state, the connecting part is separated from the connecting groove, and when the connecting part is in the second bending state, the connecting part is separated from the connecting groove. And when the connecting part is in the second bending state, the connecting part can be completely accommodated in the connecting groove. And the connecting part is configured to be capable of being bent towards the direction close to the tray body, so that the connecting part is converted from the first bent state to the second bent state. The cover plate assembly comprises the flow collecting disc. The cylindrical battery comprises the cover plate assembly. The current collecting disc and the cover plate assembly are light and thin in structure, and the cylindrical battery has higher battery capacity.

The invention provides a thin-wall structure ultrasonic guided wave nondestructive testing method based on a flexible ultrasonic sensor, which comprises the following steps of: simulating a guided wave focusing sound field to obtain a guided wave phased array focusing excitation scheme of a flexible ultrasonic sensor array, and determining a design scheme and a focusing excitation beam angle threshold value of the flexible ultrasonic sensor array; preparing the flexible ultrasonic sensor array according to the design scheme of the flexible ultrasonic sensor array; testing all channel electro-acoustic parameters of the flexible ultrasonic sensor array, and if the relative error exceeds 10%, returning; performing a thin-wall structure guided wave sound field directivity test on the flexible ultrasonic sensor array, and if a beam angle is greater than a focusing excitation beam angle threshold value, adjusting a guided wave phased array focusing scheme; and carrying out defect detection on the thin-wall structure by utilizing the flexible ultrasonic sensor array. The device is high in structural integration level, thin in structure, small in size, bendable, suitable for defect detection and long-term online monitoring of a thin-wall structure in a narrow detection space, and high in adaptability to the surface flatness of the structure.

The present invention relates to a sound output device having a slim structure and high efficiency, and a display device comprising same, the sound output device comprising: a base plate of a metal material; an inner magnetic portion positioned at the center of the base plate; a voice coil positioned around the circumference of the inner magnetic portion; a plurality of outer magnetic portions positioned around the circumference of the voice coil; an upper cover positioned above the inner magnetic portion, the voice coil, and the outer magnetic portions; a circular diaphragm positioned around the outer magnetic portions; and a bridge passing through between the plurality of outer magnetic portions and connecting the diaphragm to the voice coil, wherein the inner magnetic portion includes a first inner magnet; an inner plate positioned on the upper surface of the inner magnet; and a second inner magnet positioned on the upper surface of the inner plate, and the outer magnetic portions include a plurality of first outer magnets positioned around the outer circumference of the voice coil; an outer plate positioned on the upper surface of the first outer magnets; and a second outer magnet positioned on the upper surface of the outer plate.

The utility model discloses a rotary foot massage device and an automobile seat with the same, which comprises a base, massage parts are rotatably mounted on the upper sides of the left end and the right end of the base, massage bumps are arranged at the top ends of the massage parts, and the massage bumps are arranged to deviate towards one side relative to the rotating center line of the massage parts; a driving mechanism is arranged on the base and used for driving the massage component to rotate in the horizontal plane where the foot bottom is located. The foot massager has the advantages that the massage component is rotatably mounted on the base, the massage component can horizontally rotate in the horizontal plane where the foot sole is located, the massage bumps on the massage component can comprehensively stimulate acupuncture points of the foot sole in a targeted mode, the massage effect is improved, and meanwhile the massage effect is improved. In addition, the massage device is light and thin in overall structure and does not occupy extra space in the automobile.

A sandy carbon-building bowl is prepared by soaking glass fiber cloth in a silica solution for wetting, mixing sand and cement with water into a slurry, brushing it on the surface of the wetted glass fiber cloth, stacking the glass fiber cloth and laying it in a carbon-building bowl mold, brushing the slurry once along the inner wall of the mold, and then standing to dry. The present invention uses local materials, prepares slurry with sand and cement in the desert, brushes it on the surface of the glass fiber cloth wetted with silica, and then prepares the carbon-building bowl by multi-layer stacking. The structure is thin, but has excellent mechanical strength, with a maximum bending strength of 39MPa, and excellent air permeability, with an air permeability grade of V and a water permeability coefficient as low as 0.3×10 ‑7 m / s, effectively blocking moisture penetration and preventing moisture diffusion, thereby reducing moisture loss and achieving the excellent effect of being breathable and waterproof.

The utility model discloses a battery monomer and a battery pack with the same, the battery monomer comprises a shell assembly, a pole group and an anti-explosion valve, and the pole group is arranged in the shell assembly; the explosion-proof valve comprises a first explosion-proof part and a second explosion-proof part, the first explosion-proof part and the second explosion-proof part are both arranged on the shell assembly, the second explosion-proof part is connected to the circumferential area of the first explosion-proof part, and the first explosion-proof part and the second explosion-proof part are arranged in a staggered mode in the first direction. And a third explosion-proof part is formed at the joint of the first explosion-proof part and the second explosion-proof part. According to the battery monomer disclosed by the utility model, the first explosion-proof part and the second explosion-proof part are arranged, and the first explosion-proof part and the second explosion-proof part are staggered in the first direction, so that the third explosion-proof part is formed at the joint of the first explosion-proof part and the second explosion-proof part, and the structure at the third explosion-proof part is thinned and is relatively weak in strength; therefore, the explosion-proof valve is easy to open, the comprehensive performance of the explosion-proof valve is improved, and finally the safety performance of the battery is improved.

The utility model provides a photovoltaic electric heating floor system which comprises a floor heating structure and an energy supply structure. The energy supply structure is electrically connected with the floor heating structure; the floor heating structure comprises a floor, a heat conduction layer, a heating layer and a heat reflection layer which are sequentially arranged in an abutting mode from top to bottom. The energy supply structure comprises photovoltaic glass and a storage battery, the output end of the photovoltaic glass is electrically connected with the input end of the storage battery, and the output end of the storage battery is electrically connected with the heating layer and the heat reflection layer. The solar water heater is simple and reasonable in structure, strong in integrity, lower in energy consumption under the same temperature rise, lower in cost, environment-friendly, energy-saving, small in size, light and thin in structure and easy to transport, and the temperature of 40 DEG C is generated on the surface under the low-power heating condition and radiates to the surrounding environment; far infrared wave heat transfer is beneficial to human health; the energy consumption of photovoltaic glass power generation is cleaner, the safety and the environmental protection property are improved, the intelligent temperature control system is combined to adapt to temperature heat supply in different seasons and regions, and the heat supply efficiency of remote regions is effectively improved.

The utility model relates to the technical field of chemical safety production, specifically disclose a kind of safety isolation plate for chemical safety, including mounting block and clamping block, further including isolation mechanism, isolation mechanism includes base, mounting frame, chemical isolation plate, extension plate and first nut, two groups of mounting frame are fixedly connected with base respectively, each mounting block is fixedly connected with corresponding mounting frame respectively, each clamping block is fixedly connected with corresponding mounting frame respectively, the number of chemical isolation plate is two groups, two groups of chemical isolation plate are respectively set in the two sides of two groups of mounting frame, the number of first nut is multiple groups, each first nut is respectively connected with corresponding mounting frame thread, and it is located in the side of corresponding mounting frame respectively, extension plate is detachably connected with two groups of mounting frame, and located in the upper end of two groups of mounting frame. Double protection is carried out through two sides chemical isolation plate, chemical isolation plate is detachable, structure is thin, convenient for storage and transportation, can effectively improve use flexibility.

The invention provides a monitoring type flaw detection sensor, a preparation method and a monitoring type flaw detection alarm, and belongs to the field of flaw detection, and the method comprises the following steps: for two cut first-size PI films, after a substrate is cleaned and dried, spraying gold powder to two sides of the two PI films by using a metal spraying instrument; the non-substrate PI thin film obtained after spraying treatment is tightly attached to a substrate through a coating technology; the first ends of the two wires are correspondingly attached to the outer surfaces of the two PI films respectively, the two cut copper foils with the second size are attached to the outer surfaces of the two PI films while covering the first ends of the wires respectively, and parts of the copper foils coincide with the PI films; the two pieces of copper foil are pasted and fixed through the two pieces of first PU pasting films which are slightly larger than the copper foil. The sensor obtained by the method is thin and small in size, and has enough mechanical strength and chemical stability; the working mechanism is simple and easy to realize, the preparation process is highly simplified, and the overall reliability is high; the method is not easily influenced by environmental noise, and has higher accuracy.

The utility model relates to a backlight module, which comprises a circuit board, a light guide plate and a light guide plate, the plurality of light-emitting elements are arranged on the circuit board; the light guide part is connected with the circuit board, a groove is formed in the light guide part, a containing space is formed between the groove and the circuit board, and the light-emitting element is located in the containing space; the light control layer is arranged on the inner side face of the groove, and the light control layer comprises a reflecting area with high reflectivity and a light-transmitting hollow-out area. The beneficial effects of the utility model lie in that the light mixing uniformity can be improved, the light loss can be reduced, and the light and thin structure can be realized.

This utility model discloses a heated floor for rail vehicles, belonging to the field of rail vehicle technology, and can solve the problems of easy damage and high cost of existing heated floors. The floor includes: a carbon nanotube heating layer comprising multiple spaced carbon nanotube films for converting electrical energy into heat energy; an encapsulation layer covering the surface of the carbon nanotube heating layer; a support layer covering the surface of the encapsulation layer; a flame-retardant layer covering the surface of the support layer; a floor layer disposed on the surface of the flame-retardant layer; and a power supply electrically connected to the carbon nanotube heating layer for supplying power to the carbon nanotube heating layer. This utility model is used for heating the floor of rail vehicles.

The utility model belongs to the technical field of titanium fiber sintered felts, and particularly relates to an ultrathin aperture gradient structure titanium fiber sintered felt which comprises a titanium fiber sintered felt main body, and the titanium fiber sintered felt main body is formed by sintering and fixing an upper titanium fiber filter layer and a lower titanium fiber filter layer; first filtering holes are uniformly formed in the upper titanium fiber filtering layer, and second filtering holes are uniformly formed in the lower titanium fiber filtering layer; the first filtering holes comprise necking filtering holes with large upper parts and small lower parts and straight filtering holes communicated with the bottom ends of the necking filtering holes, the second filtering holes comprise upper straight holes and lower straight holes communicated with the bottom ends of the upper straight holes, and the diameter of the lower straight holes is smaller than that of the upper straight holes; the titanium fiber sintered felt body is of a double-layer filtering structure formed by sintering and fixing the upper titanium fiber filtering layer and the lower titanium fiber filtering layer, the structure is light and thin, the filtering effect is improved while the strength is improved, a gradient hole structure is formed through the first filtering holes and the second filtering holes, and the pollutant containing amount and the filtering efficiency are effectively improved.

The utility model discloses a thin mining lamp structure with various installation forms, which comprises a lamp main body formed by sequentially assembling a back frame, an LED panel and a lampshade, a lock catch is arranged at the outer edge of the lampshade, the lock catch corresponds to a lock hole arranged at the edge of the inner ring of the back frame, a connecting point is arranged on the LED panel, and the connecting point corresponds to the lock hole. A plug-in type thin light source drive is connected to the connecting points, one end of the light source drive is a contact type terminal, a PCB connecting position used for being in contact connection with the light source drive is arranged in the back frame, and the lampshade buckles the LED panel and the light source drive in the back frame through matching of a lock catch and a lock hole. The mining lamp solves the problems that in the prior art, the installation process of the mining lamp is tedious, the overall thickness is large, and the mining lamp cannot be fixedly installed in various scenes.

The utility model discloses a watch buckle structure and a smart watch, the watch buckle structure is used for buckling a first watchband and a second watchband, the watch buckle structure comprises a first watch buckle and a second watch buckle, the first watch buckle is arranged on the first watchband, the second watch buckle is arranged on the second watchband, the middle part of the first watch buckle is hollowed to form a buckling hole, and the buckling hole is arranged in the second watchband. And the second watch buckle is convexly provided with a buckling assembly which is buckled with the buckling hole in a matching manner. According to the watch buckle structure, one layer of structural wall thickness is reduced through design, so that the whole watch buckle structure is thinner, and the overall attractiveness and wearing comfort are effectively improved.

The invention relates to the technical field of massage cushions, and discloses a hard-shell-free flexible massage cushion which comprises an outer-layer sleeve bag, a frame assembly, a massage unit and a ventilation unit. Wherein the frame assembly, the massage unit and the ventilation unit are all arranged in the outer-layer cap bag, an opening is formed in one end of the outer-layer cap bag, a zipper is arranged at the position of the opening, a plurality of air holes are formed in the outer-layer cap bag, covering cloth is arranged on the side face of the outer-layer cap bag, the covering cloth is arranged right opposite to the air holes, and the outer-layer cap bag is arranged on the outer-layer cap bag. And one side of the covering cloth is fixedly connected with the outer-layer cap bag. By adopting the design of the shell-free flexible back cushion, the whole structure is lighter and thinner, the occupied space is reduced, the flexible rack design replaces a traditional hard shell structure, the attractiveness of the product is improved, and the back cushion better meets the aesthetic requirements of modern home furnishing.

This application provides a novel pressure gripper mechanism, belonging to the field of pressure gripper technology. It includes a pressure gripper base, on which a cylinder, a first limiting block, and a guide rail are mounted. A fixed shaft is mounted on the cylinder, and a power block is mounted on the fixed shaft. A clamping shaft is connected to the power block. A moving block is mounted on the guide rail. A buffer block is connected to the clamping shaft, and a compression spring is mounted on the buffer block. A second bearing is mounted on the buffer block via a bearing pin. A rotating block is rotatably connected to the moving block via a rotating shaft. A pressure plate is fixed on the rotating block. A second limiting block, a spring support, a tension spring, and a guide shaft are mounted on the moving block. The rotating block makes wedge-shaped contact with the second bearing, and a clamping structure is formed between the rotating block and the second bearing via the tension spring. The fixed shaft is connected to the power block via bolts. This application solves the problems of existing pressure gripper structures having large structural thickness and limited movement modes.

This invention discloses an automatic welding equipment wire feeding angle adjustment device, relating to the field of automatic welding technology, to solve the problems of existing wire feeding angle adjustment devices on welding equipment, such as complex structure, large size, poor adjustment flexibility, and inability to be applied in confined spaces. The device includes: a wire feeding tube fixed on a wire feeding tube fixing seat; the wire feeding tube fixing seat is mounted on a movable seat via a vertical displacement adjustment mechanism; the wire feeding tube fixing seat is equipped with a vertical limiting mechanism to limit and lock the vertical displacement adjustment mechanism; the movable seat is mounted on a connecting seat via a front-rear displacement adjustment mechanism; the movable seat is equipped with a front-rear locking mechanism to lock the front-rear displacement adjustment mechanism; the wire feeding tube includes: an upper wire feeding tube and a lower wire feeding tube connected by a welding wire stabilizer.

The utility model discloses a kind of Mini LED display module and display, it is related to Mini LED display module technical field.The Mini LED display module includes glass backplane, Mini LED lamp bead and panel assembly, the panel assembly is laminated in the surface of the glass backplane, the surface of the glass backplane close to the panel assembly is equipped with mounting groove and circuit slot, the Mini LED lamp bead is installed in the mounting groove, the circuit slot is equipped with conductive circuit, and the conductive circuit is used to power supply to the Mini LED lamp bead.Through glass backplane replaces traditional metal or PCB material, reduce module thickness and weight, simultaneously utilize the thermal expansion coefficient similar to glass and Mini LED chip to reduce thermal stress, with the advantages of light and thin structure, high thermal reliability and simple assembly process.

The present application relates to a kind of nonwoven cloth across scale sound-absorbing-carrying integrated material based on bionic turtle shell structure and its preparation method, the material includes successively from top to bottom: surface layer plane nonwoven cloth, first bionic turtle shell arc nonwoven cloth layer, second bionic turtle shell arc nonwoven cloth layer and bottom layer plane nonwoven cloth;The first and second bionic turtle shell arc nonwoven cloth layer surface has periodic arrangement arc unit, and the convex surface of the arc unit of two bionic turtle shell arc nonwoven cloth layer is opposite and adheres, forms the core layer with hollow rhombic cavity array;The surface layer, bottom layer plane nonwoven cloth are respectively adhered to the concave surface of the arc unit of first and second bionic turtle shell arc nonwoven cloth layer, constitute semicircular cavity.The present application is through bionic turtle shell structure and hollow rhombic cavity, synergistically improves the lightweight, high carrying and cross-scale wideband sound-absorbing performance of material, applicable to building acoustics, traffic noise reduction and industrial protection and other fields.

The invention discloses a spine anterior structural bone grafting internal fixing device which comprises a fixing sheath and a steel nail set, the steel nail set is arranged in the fixing sheath and comprises a first fixing nail, a second fixing nail and a third fixing nail, the top of the first fixing nail is connected with a bent first connecting arm, and the top of the second fixing nail is connected with a bent second connecting arm. The top of the second fixing nail is connected with a bent second connecting arm; a convex ring on the inner wall of the fixing sheath is sleeved with an adjusting piece for adjusting the telescopic length of the first connecting arm and the second connecting arm in a clearance fit mode, and a locking piece is arranged above the convex ring; the third fixing nail is arranged in the through hole of the fixing sheath, a pressing block is arranged on the top face of the third fixing nail, and the locking piece is pressed between the protruding ring and the adjusting piece through the pressing block. After the whole structure of the device is combined, the stability is good, and a bone grafting block is firmly fixed; and secondly, the device is light and thin in structure and small in volume, so that a wound needing to be formed is small, bleeding is little, damage to bones is small, and trauma in an operation or after the operation is reduced.

The utility model relates to a kind of foreign matter prevention heat dissipation structure and wireless charging device, wherein foreign matter prevention heat dissipation structure includes: mounting seat, including the air duct extending along height direction;And fan assembly, including fan seat and fan, the fan seat is connected with the mounting seat to form cavity, the fan is located in the cavity, the cavity is communicated with one end of the air duct, the other end of the air duct forms air outlet, the air outlet is equipped with non-woven fabric.The utility model can effectively block the invasion of external foreign matter from air outlet into air duct inside while not affecting the exhaust of heat dissipation airflow, ensure the heat dissipation efficiency and service life of heat dissipation structure.

The utility model relates to the technical field of sound boxes, and discloses a light guide structure for a sound box and the sound box. The light guide structure for the sound box comprises a light guide piece and a lamp panel. The light guide part is provided with an accommodating cavity which is used for accommodating the sound box main body; one end of the light guide member forms a light-in surface, the outer wall of the light guide member forms a second reflective surface, the inner wall of the light guide member forms a first reflective surface and a light-out surface, and the first reflective surface is located on one side of the light-out surface close to the light-in surface; the cross sectional area of the inner wall of the light guide part and the cross sectional area of the outer wall of the light guide part are gradually increased from the light incident surface to the direction close to the light emergent surface; the lamp panel is arranged on one side of the light incidence face, and light of the lamp panel can irradiate the light incidence face. Under the condition that the light-emitting surface of the light guide piece is wide, the light guide effect of uniform light emitting can be achieved by using a single circle of LED lamps, the production cost is reduced, the distance between the lamp panel and the light-emitting surface is small, and the structure is light and thin.

The invention discloses an artificial false eyelash and a manufacturing method thereof. The manufacturing method of the artificial false eyelash comprises the steps that a plastic sheet is prepared, the plastic sheet is cut to form a plurality of eyelash units, the bases of the eyelash units are bonded to form a false eyelash body, and a stem line is arranged. The artificial false eyelash is provided with a stem line and a plurality of eyelash groups, and the stem line is designed to connect a plurality of eyelash filaments in the eyelash groups in series and bond the eyelash filaments in the eyelash groups. The structure is reasonable, the technological process is simplified, and the quality of finished products is improved.