22results about How to "Strong mechanical connection" patented technology

The invention relates to the technical field of batteries, and discloses a riveting top cover, a battery cell cover plate and a battery cell. Wherein the riveting top cover comprises a riveting block and a pole column, the riveting block is provided with a through hole, the through hole comprises a matching hole, a secondary riveting hole and a main riveting hole which are coaxially arranged in sequence, the pole column comprises a base and a protruding part arranged on the base, the protruding part is provided with a matching section, a secondary riveting section and a main riveting section which are in one-to-one correspondence with the matching hole, the secondary riveting hole and the main riveting hole, and the matching section, the secondary riveting section and the main riveting section are in one-to-one correspondence with the matching hole, the secondary riveting hole and the main riveting hole. The first annular cavity is reserved between the secondary riveting section and the secondary riveting hole in the pre-assembly state, the second annular cavity is reserved between the main riveting section and the main riveting hole, and the first annular cavity and the second annular cavity respectively reserve material expansion spaces for the secondary riveting section and the main riveting section. Therefore, part of the first annular cavity can be filled with the secondary riveting section after the secondary riveting section expands under the action force, the phenomenon that the riveting block is locally expanded or deformed due to expansion of the secondary riveting section in the traditional riveting process is avoided, and the yield of the riveted top cover is improved.

The invention discloses a packaging structure and a packaging method of a Mini / Micro LED (Light Emitting Diode) chip. The packaging method comprises the following steps: respectively carrying out electrostatic polarization treatment with opposite charge polarities on conductive particles and a bonding pad of a substrate, and adsorbing the conductive particles on the bonding pad of the substrate; each conductive particle comprises a metal conductive ball and a conductive adhesive coating the surface of the metal conductive ball; an LED chip is attached to the substrate in a counterpoint mode, and a bonding pad on the LED chip makes contact with the corresponding conductive particles; hot-pressing the LED chip, melting the conductive adhesive through heat conduction, and fixing the LED chip on the substrate through the conductive adhesive after cooling; and coating a plastic packaging material on the substrate to wrap the LED chip, and curing to complete packaging of the LED chip. According to the technical scheme, the LED chip packaging process can be simpler, more convenient and faster, stable mechanical connection and excellent electrical connection between the LED chip and the substrate can be achieved, and the problem of chip damage caused by too high temperature is effectively avoided.

The invention discloses an impact-resistant composite thermal insulation ceramic fiber board and a preparation method thereof, and relates to the technical field of composite materials. The composite thermal insulation ceramic fiber board provided by the invention has the advantages of excellent impact resistance, uniform heat conduction performance and high mechanical strength. The composite board comprises a fiber layer, a ceramic layer and a PVDF honeycomb structure layer, the fiber layer is formed by interweaving ceramic fibers and reinforced fibers, and the reinforced fibers are evenly distributed among the ceramic fibers; the ceramic layer is prepared by mixing ceramic powder and a binder; the PVDF honeycomb structure layer is embedded between the fiber layer and the ceramic layer, and all the layers are tightly combined through secondary hot press molding. The invention solves the problems of poor impact resistance, non-uniform heat conduction and insufficient mechanical strength of the existing composite thermal insulation material, and is suitable for various severe environments.

The embodiment of the utility model provides a board card structure and a server with the same, the board card structure comprises a board card body and a board card support, and the board card body is provided with a plurality of first locking holes; the board card body is provided with a plurality of first locking holes, the board card support is provided with a plurality of second locking holes, and the plurality of second locking holes and the plurality of first locking holes are oppositely arranged in a one-to-one correspondence mode, so that the board card body and the board card support are locked by arranging locking parts in the first locking holes and the corresponding second locking holes in a penetrating mode. The problem that in the prior art, a board card and a case are fixed through a buckle and are prone to falling off is at least solved.

The utility model relates to the technical field of solar wall lamps, and discloses a detachable solar wall lamp, the back of a lamp body is provided with a mounting frame, a worm gear and worm meshing transmission structure, an I-shaped sliding block, a driving rod and a limiting insertion rod linkage mechanism are arranged on the inner side of the mounting frame, a knob is rotated to drive a worm to drive a worm gear to rotate, and the worm gear is driven to rotate. During installation, the insertion blocks are inserted into the insertion grooves to be attached to the limiting pieces, the positioning holes correspond to the limiting insertion rods, the rotary knob is rotated clockwise, and the limiting insertion rods are inserted into the positioning holes to lock the lamp body. During disassembly, the knob is rotated anticlockwise, the limiting insertion rods are separated from the positioning holes and then the lamp body is pulled out, stability is guaranteed through the self-locking characteristic of the worm gear and the worm, synchronous action of the multiple sets of limiting insertion rods is achieved through cooperation of the arc-shaped groove and the driving rod, disassembly and assembly can be completed only by rotating the knob, efficiency is improved, part damage is avoided, and maintenance difficulty and cost are reduced.

The utility model discloses a kind of intelligent card CSP module structure and intelligent card, the module structure aims at solving the problem of complex, low reliability of traditional intelligent card module structure. The module includes substrate, integrated circuit chip, multi-turn coil, conductive blind hole and external contact pad. Chip is directly bonded on the upper surface of substrate by fan-out and flip-chip bonding process. Coil is integrated on the upper surface of substrate and surrounds chip. The utility model is characterized in that, the second radio frequency solder ball of chip and the second terminal of coil are connected to the same spare external contact pad on the lower surface of substrate through the conductive blind hole inside substrate, thereby simply forming the radio frequency loop of near field communication, and the antenna wire bonding process is saved. The module structure is compact, reliable connection, especially suitable for high thickness and reliability requirements of intelligent card product.

The utility model relates to a light weight vacuum cup with integrated structure and filtering function, characterized in that it comprises a vacuum cup, a cup cover, a mounting ring, a thread, a filter screen, a fixing rod and an adjusting screw, etc. The top of the vacuum cup is provided with the cup cover, the inner side of the cup mouth of the vacuum cup is provided with the thread, the outer side of the mounting ring is provided with the thread, the vacuum cup and the mounting ring are fastened and matched through the thread, the vertical fixing rod is connected in the mounting ring, the adjusting screw is rotatably connected in the mounting ring, the filter screen is slidably connected in the mounting ring, one end of the filter screen is slidably connected with the fixing rod, and the other end is threadedly connected with the adjusting screw. The fixing rod and the adjusting screw are symmetrically arranged about the mounting ring. The thread fastening and matching of the mounting ring and the cup mouth of the vacuum cup replace the temporary clamping mode of the funnel and the cup mouth in the prior art, so that the filter assembly and the main body of the vacuum cup form a stable mechanical connection, thereby realizing reliable fixation of the filter assembly and achieving the purpose of preventing the filter funnel from accidentally falling off.

The box body of the battery pack comprises a cover plate and a first edge beam, the cover plate comprises a plate body and an eave portion connected to the periphery of the plate body, an opening is formed in the side, away from the plate body, of the eave portion, the first edge beam comprises a bearing portion and a protruding portion, the bearing portion bears the eave portion, and the protruding portion is arranged on the edge of the eave portion. The protruding part is arranged on the side, facing the eave part, of the bearing part in a protruding mode and located on the side, deviating from the plate body, of the eave part. Wherein the convex part is partially arranged in the opening, a mounting hole is formed in the part, opposite to the opening, of the convex part, and a fastener is arranged in the mounting hole in a penetrating mode so that the first edge beam can be mounted on external equipment. The convex part of the first edge beam is convexly arranged on the side, facing the eave part, of the bearing part and located on the side, deviating from the plate body, of the eave part, and the convex part is partially arranged in the opening of the eave part, so that stable and tight connection of the cover plate and the first edge beam can be realized, and the sealing performance and the space utilization rate of the box body of the battery pack are improved.

The utility model discloses an anti-drop false PIN structure and a plug-in inductor, the anti-drop false PIN structure comprises at least one false PIN body and a base, the number of the false PIN body is at least one, the false PIN body comprises a plugging end and a clamping end, the plugging end is used for plugging of a PCB, and the periphery of the clamping end is provided with a first clamping part; the bottom of the base is provided with at least one plugging hole plugged with the clamping end, a second clamping part is arranged in the plugging hole, the second clamping part is used for being matched and clamped with the first clamping part, the plug-in inductor is installed on the anti-falling false PIN structure, and the first clamping part of the false PIN body is matched and clamped with the second clamping part of the plugging hole, so that the clamping stability is improved, and the plug-in inductor is installed on the anti-falling false PIN structure. Therefore, the false PIN body is stably connected with the base in the wave soldering process, and falling or loosening caused by high temperature is avoided. The utility model is suitable for the technical field of electronics.

The utility model discloses a glass fiber composite stitch-bonded felt, and particularly relates to the technical field of glass fiber composite stitch-bonded felts.The glass fiber composite stitch-bonded felt comprises a fiber felt body, a splicing mechanism is fixedly installed outside the fiber felt body and comprises a rectangular sleeve, and two sets of outer edges connected with the rectangular sleeve form splicing edges; a plurality of convex parts are fixedly mounted on one side of the splicing edge, a locking edge is formed by the other two groups of connected outer edges of the rectangular sleeve, a plurality of grooves are formed in the locking edge, and a curled edge is movably mounted at the top of the locking edge. According to the glass fiber composite stitch-bonded felt, when the glass fiber composite stitch-bonded felt is laid and used in a large area, the splicing edges of one set of composite felt and the locking edges of the other set of composite felt can be locked in a matched mode, stable mechanical connection between the adjacent composite felts is allowed, and the anti-stripping capacity and the bearing capacity of a system are enhanced; a large number of composite felts can form a continuous and firm whole, and the performance and durability in final application are effectively improved.

The utility model discloses a flooding high-temperature vaporizing device which comprises a fixing frame, a connecting mechanism is arranged on the fixing frame, the connecting mechanism comprises a plurality of bearing seats, a spraying roller, a fixing pipe and an air inlet pipe, the bearing seats are respectively installed on the fixing frame, the spraying roller is rotatably communicated in the bearing seats, and the air inlet pipe is communicated with the spraying roller. The fixing pipe is communicated to the bearing seat, one end of the air inlet pipe is connected to external air inlet equipment, and the other end of the air inlet pipe is connected into the fixing pipe in a sliding mode. The technical problems that traditional equipment is inconvenient in steam connection and unstable in sealing are effectively solved.

This utility model discloses a light guide plate rechargeable wall lamp, including a mounting plate. The mounting plate has a crossbar fixedly connected to it, and a mounting part is fixedly connected to the outer side of the crossbar. Two lamp tubes are symmetrically connected to the mounting part, and the lamp tubes are connected to the mounting part through a conductive structure. The conductive structure includes a conductive rod, and the mounting part has two symmetrically opened connection holes. The conductive rod is fixedly connected to the inside of the corresponding connection hole. One end of the lamp tube is fixedly connected to a connecting part, and the connecting part has a socket that cooperates with the conductive rod. This utility model, by setting up a mounting part with an integrated power supply line and a quick-plug conductive structure including a conductive rod and a socket, achieves tool-free, zero-contact resistance electrical connection and quick replacement of the lamp tubes. Compared with traditional wall lamps that require wiring or complex clips for fixing, it is more convenient to operate, has more reliable contact, and is more efficient to maintain.

This invention discloses a drone lifting and locking mechanism, system, and docking control method. It includes a suspension device and a locking seat. The suspension device comprises a suspension section with a suspension seat at its top. A positioning seat is mounted on the lower side of the suspension section via multiple connecting rods. Half-gears are rotatably mounted on the connecting rods. A driver is mounted on the suspension section, and a drive gear is mounted on the output shaft of the driver, simultaneously meshing with each half-gear. A groove is provided in the middle of the upper side of the locking seat to mate with the positioning seat, and an annular groove is provided within the groove. When the driver drives each half-gear to rotate, a portion of the half-gear extends out of the positioning seat and inserts into the annular groove. This connects and locks the suspension device to the locking seat, eliminating the need for manual hooking or binding when docking the drone with cargo, making docking more convenient and reducing safety risks.

The utility model relates to detection device technical field, concretely relates to a kind of automobile parts air tightness detection device, including detection workbench and the air tightness detection mechanism being set on detection workbench, the upper end of the detection workbench is fixedly installed with support plate at both sides, the upper end of the detection workbench is placed with automobile fuel pipe, the inside fixed sleeve of the support plate is connected with connecting barrel, one end of the connecting barrel is provided with air inlet valve, sealing fixed component is provided between the connecting barrel and automobile fuel pipe, the radial sealing fixation of fuel pipe is realized by sealing fixed component, compared with traditional mode relies on artificial with the help of sleeve ring and other tools fuel pipe end and air inlet valve pipe end clamping fixed situation, avoid the clamping connection of air inlet valve pipe end and fuel pipe end to appear gap, prevent causing gas leakage, to avoid causing automobile fuel pipe air tightness detection result inaccurate.

The utility model discloses an ultrasonic anemograph dismounting tool capable of being rapidly dismounted, and relates to the technical field of auxiliary dismounting, in particular to the ultrasonic anemograph dismounting tool capable of being rapidly dismounted. Comprising a main body, a nipper pliers tool bit, a dismounting device, a temperature sensor, an internal heat conductor, an external heat insulation layer, a heating electromagnetic coil, a neodymium magnet connector, a buckle and a groove. According to the utility model, through a self-locking mechanism of the neodymium magnet connector and the buckle groove, rapid dismounting and reliable connection of the anemograph are realized, and the operation efficiency and the equipment safety are greatly improved. Meanwhile, the constant-temperature grip internally provided with the heating electromagnetic coil and the temperature sensor can provide warm and comfortable hand care for operators in a severe environment, and operation health is guaranteed. In addition, high integration and optimization of the equipment are embodied through the human engineering main body design, the reasonable matching of the inner and outer heat conduction and heat insulation layers and the exquisite matching of the tool bit, the dismounting device and other components.

The utility model provides a kind of electronic commutating motor, including motor and driver, the output shaft of motor is located at the front end of motor, and driver includes main control board and shell;Main control board is located at the one end of motor away from output shaft, and shell cover is located at main control board;Main control board is divided into first area and second area;The side of main control board away from motor bears electrical element;Electrical element includes first electrical element and second electrical element, first electrical element is located in first area, and second electrical element is located in second area;The power of first electrical element is higher than the power of second electrical element. By arranging the electrical element with larger heat output in first area and arranging the electrical element with smaller heat output in first area, the concentrated heat dissipation of key heating elements is realized.

This utility model discloses a connection structure, a battery string, and a photovoltaic module, relating to the field of photovoltaic module technology. The connection structure includes: a carrier adhesive film covering the back of multiple BC battery cells; solder ribbons spaced apart on the side of the carrier adhesive film that contacts the back of the BC battery cells; and a conductive metal paste disposed on the side of the solder ribbons that does not contact the carrier adhesive film, used to connect the solder ribbons to the BC battery cells. This embodiment simplifies the BC battery cell structure and reduces the possibility of poor contact or detachment of the solder ribbons from the electrodes.

The present application relates to the technical field of lighting equipment, and more particularly to a lighting device for smart home. The technical scheme comprises a fixing base, a lampshade mounted at the bottom end of the fixing base, a mounting assembly, a lamp body assembly, a rotary clamping mechanism, an LED lamp, an abutting assembly, a reset assembly, a fixing assembly and an unlocking assembly. The lamp body assembly is detachably connected to the lampshade through the mounting assembly. The rotary clamping mechanism is arranged in the lampshade and used for clamping and fixing the lamp body assembly during installation. The abutting assembly is movably arranged in the lamp body assembly and abuts against the rotary clamping mechanism. The lamp body assembly is lifted up during installation, the rotary clamping mechanism is automatically clamped and fixed through linkage driving, and the abutting assembly is simultaneously pressed down to trigger the fixing assembly to lock the LED lamp. Reverse operation is performed during disassembly, the clamping is released, and the abutting assembly is reset through the reset assembly, so that the unlocking assembly is triggered to eject the LED lamp. The overall installation and disassembly are realized, and the LED lamp is assisted in being fixed and taken out.

The invention provides a full-tab battery, electric equipment and a tab pretreatment device, and relates to the technical field of batteries. The full-tab battery comprises a full-tab roll core and a collector plate, the full-tab roll core is provided with a winding axis and tabs, and the tabs comprise a positive tab and a negative tab; the positive pole lug and / or the negative pole lug are / is obliquely arranged towards the winding axis of the full pole lug winding core; a current collecting disc is arranged at one end of the full-tab roll core, where a tab which is obliquely arranged towards the winding axis of the full-tab roll core is located, the current collecting disc is provided with a current collecting disc axis and a plurality of welding grooves, and the plurality of welding grooves are located at one end, deviating from the full-tab roll core, of the current collecting disc and are arranged at intervals in the circumferential direction of the current collecting disc axis; the welding grooves extend in the preset direction, and the bottoms of the welding grooves are welded to the corresponding tabs. According to the full-tab battery provided by the invention, the poor welding condition during welding of the tabs and the current collector or the steel shell can be relieved, the welding area between the tabs and the current collector plate can be increased, and the internal resistance of the battery can be reduced.

The utility model relates to the technical field of engineering machinery, and discloses a connecting structure for connecting a milling and digging head and an excavator, which comprises an excavator main body, the milling and digging head is arranged at the front part of the excavator main body, a connecting arm is fixedly connected at the rear part of the milling and digging head, and a mounting block is fixedly connected at the left part of the connecting arm. A fixing frame is fixedly connected to the inner bottom of the mounting block, a sliding rod is fixedly connected to the middle side of the interior of the fixing frame, two moving plates are slidably connected to the exterior of the sliding rod, second springs are arranged on the exterior of the sliding rod, the second springs are arranged on the moving plates, and guide columns are fixedly connected to the front side and the rear side of the interior of the fixing frame. According to the utility model, the movable plate is extruded by the mounting plate, so that the movable plate slides inwards, the movable plate is buffered by extruding the spring I and the spring II, and the impact force during working is buffered, so that the aim of protecting the connection between the movable plate and the mounting block from being loosened easily is fulfilled.

The utility model discloses an antenna assembly relates to antenna assembly technical field, including signal processing module, signal processing module one side is provided with dustproof mechanism, and signal processing module horizontal direction both ends are installed with the connecting end respectively, and the connecting end one end all is equipped with the outer thread, and the connecting end is connected with signal receiver through thread cooperation, and signal processing module lower extreme is equipped with four thread holes with rectangular distribution, and the supporting mechanism is assembled with thread hole through thread connection, in the utility model, through the cooperation of fixed frame and dust screen, can effectively block the dust into the equipment inside, improved the high efficiency of equipment use, and then realized the function of increasing the service life of equipment, and through the cooperation of thread connection hole and sucking disc, the antenna assembly is conveniently and stably fixed on the equipment surface, the stability of equipment whole is improved, and then the equipment is placed firm The function of, finally solved the problem of short service life and easy damage of equipment.