484results about How to "Improve use reliability" patented technology

The utility model belongs to the technical field of power distribution, and particularly relates to a power distribution device, a battery device and a power utilization device, the power distribution device comprises a first circuit board, a second circuit board and a flexible electric connector, the first circuit board comprises a first board body and a first electric connector arranged on the first board body, and the first board body is electrically connected with the first electric connector; the second circuit board comprises a second board body and a second electric connecting piece arranged on the second board body, and the second board body is electrically connected with the second electric connecting piece; the first circuit board is a battery control board, and the second circuit board is a battery monomer sampling circuit board; the two ends of the flexible electric connecting piece are electrically connected with the first electric connecting piece and the second electric connecting piece respectively, and bending deformation of the flexible electric connecting piece can make up for installation errors of the first circuit board, the second circuit board, the first electric connecting piece or the second electric connecting piece. Therefore, the flexible electric connecting piece can be electrically connected with the first electric connecting piece and the second electric connecting piece stably and reliably, and the use reliability of the power distribution device can be improved.

The application provides a container assembly and a heating device, the container assembly comprising: a container body, a convex and concave pattern formed by a convex and a groove being arranged on the inner side wall and the inner bottom wall of the container body; a non-stick coating arranged in the groove; the projected area of the non-stick coating on the inner side wall is a, the area of the inner side wall is S1, the projected area of the non-stick coating on the inner bottom wall on the inner bottom wall is b, the area of the inner bottom wall of the container body is S2, and a / S1<=b / S2. According to the scheme, the non-stick coating can be protected by the convex between the grooves, so that the non-stick coating is not easy to be scratched and worn. The heat conduction performance of the non-stick coating is relatively poor compared with the heat conduction performance of the container material, so that the projected area ratio of the non-stick coating on the inner side wall is smaller than the projected area ratio of the non-stick coating on the inner bottom wall, the heat conduction performance of the side wall of the container body can be relatively increased, the heat of the bottom of the container body can be more conducted to the side wall of the container body, and the food materials in the whole container assembly can be heated more uniformly.

This application relates to a wireless Jacquard needle block, a combing device, and a warp knitting machine. The wireless Jacquard needle block includes a connector, a control circuit, a drive circuit, and yarn guide needles. The connector includes a first power pin, a second power pin, a ground pin, and a signal pin. The control circuit connects to the first power pin, the ground pin, and the signal pin. The drive circuit connects to the second power pin, the ground pin, the control circuit, and the yarn guide needles. The first power pin is used to connect to a first power source powering the control circuit, the second power pin is used to connect to a second power source powering the drive circuit, and the signal pin is used to connect to a control signal. The control circuit outputs a drive signal based on the control signal, causing the drive circuit to control the operation of the yarn guide needles according to the drive signal. The lengths of both the first and second power pins are shorter than the length of the ground pin, enabling a reliable grounding connection to be established before power is connected when connecting to the backplate, effectively addressing transient overvoltages caused by hot-plugging and improving reliability.

This utility model provides an easy-to-install toilet seat mounting component, relating to the technical field of toilet parts. It includes a screw, a locking seat, a locking element, a nut, and a stop block. The locking seat has screw holes at both its top and bottom. A screw is threaded through the surface of the screw hole near the top of the locking seat. The nut is located inside the locking seat, and a mounting groove is provided on one side of the locking seat. The nut is vertically positioned inside the locking seat and horizontally within the mounting groove. The nut is threadedly connected to the screw. A stop block is provided on the other side of the locking seat. The nut can be easily adjusted in direction within the locking seat and connected to the screw via the nut mounting groove, eliminating the need for complex operations and professional tools. The locking element is installed through an open groove and a retaining shaft, simplifying the installation process, reducing difficulty, and improving efficiency. Furthermore, the retaining shaft and nut retainer on the inner wall of the locking seat restrict the movement of the retaining shaft and nut, ensuring the stability of the installed component. The locking element cooperates with the stop block and rotates around the retaining shaft, ensuring a tight and reliable fixation of the toilet seat.

The utility model relates to the technical field of starch processing, and discloses a negative pressure dust removal structure for starch processing, which comprises a dust removal box, a plurality of filter elements and a bottom plate, the left side of the dust removal box is communicated with an inlet pipe, the right side of the dust removal box is communicated with an outlet pipe, and the inner wall of the outlet pipe is fixedly connected with a fan; a partition plate is fixedly connected to the upper middle portion of the inner wall of the dust removal box, a plurality of mounting seats are fixedly connected to the bottom of the partition plate, mounting rings are fixedly connected to the tops of the filter elements, inserting blocks are fixedly connected to the front and rear sides of the tops of the mounting rings, and two inserting openings are formed in the front and rear sides of the bottoms of the mounting seats. According to the utility model, through the combined structure of the mounting seat, the mounting ring, the guide post, the guide block, the insertion block, the insertion opening, the separation blade and the limiting block, the filter element is accurately positioned and quickly fixed in the mounting process, the sealing performance is good, dust leakage is prevented, and meanwhile, subsequent disassembly and maintenance are facilitated.

The invention provides an intelligent bracelet for old people, which comprises a bracelet main body, and a display screen is mounted on the bracelet main body; a health monitoring module is arranged in the bracelet main body and is used for monitoring heart rate, blood oxygen and body temperature of the elderly; a health monitoring module is arranged on one side of the bracelet main body, a key alarm module is arranged on one side of the health monitoring module, the key alarm module is arranged in the bracelet main body, the key alarm module comprises a key device, the key device is arranged on one side of the bracelet main body, the key alarm module further comprises a key monitoring unit and a key alarm unit, and a wireless connection module is arranged on one side of the key alarm module. The wireless connection module is arranged in the bracelet main body, and the wireless connection module is used for being connected with external equipment. Mounting blocks are arranged on the two sides of the bracelet body, and a wrist strap connecting piece is arranged between the two mounting blocks. Through cooperative arrangement of all the structures, flexible wrist wearing adjustment can be conveniently carried out according to wearing requirements of different old people, one-key alarm operation is facilitated, and meanwhile operation is easy and popularization is convenient.

This utility model discloses an anti-theft installation structure for a smart lock, including an inner component and an outer component. Both the inner and outer components are detachably connected to a mounting plate. The four inner corners of both components are detachably connected to a door panel via fixing components. A lock body is positioned between the inner and outer components, and a password panel is located on the upper outer side of the outer component. This structure provides multiple layers of anti-theft protection through a zinc alloy shell, rigid corner fixing, semiconductor live fingerprint recognition, and embedded touch components. A spare lock cylinder ensures emergency use. Wear-resistant sleeves, insulating protective rings, and a sliding elastic connection structure enhance transmission reliability and lifespan. The modular design, combined with the mounting plate, adapts to door panels of different thicknesses, facilitating easy disassembly and maintenance.

The invention provides a liquid red direct dye and a preparation method thereof, and the method comprises the following steps: S1, dispersing 2-amino-5-naphthol-7-sulfonic acid and bis (trichloromethyl) carbonate in water, adjusting the pH value of a reaction system by using a first organic base, and reacting to obtain a scarlet acid aqueous solution; s2, dispersing a sulfo aromatic amine compound and nitrite in water, adjusting the pH value of a reaction system by using inorganic acid, reacting to obtain sulfo aromatic amine diazonium salt precipitate, and performing solid-liquid separation to obtain sulfo aromatic amine diazonium salt; and S3, adding the sulfonic aromatic amine diazonium salt in the step S2 into the scarlet acid aqueous solution in the step S1, adjusting the pH value of the reaction system by using second organic alkali, and reacting to obtain the liquid red direct dye. Through the preparation method, the red direct dye which can stably exist in a liquid form and is suitable for direct use can be obtained.

The utility model provides a kind of foldable stainless steel turnover box, comprising: top frame, first hollow groove is arranged on the top frame through slide bar, hinged seat and support rod, the bottom end of the support rod bottom is rotatably connected with bottom frame through mounting shaft, the second hollow groove that is used in cooperation with support rod is set on the bottom frame, metal guard plate is set on the bottom of the top frame through hinge, metal guard plate is rotatably connected in vertical direction, bottom metal guard plate bottom is connected with bottom frame through hinge, slide plate and plug rod are set in the cavity in the inside of the top frame, the plug hole that is used in cooperation with plug rod is set on the hinged seat. The utility model under the action of hinged seat and slide bar sliding connection and support rod and bottom frame rotatable connection, the convenient folding and unfolding of turnover box is realized, storage space is greatly saved;The cooperation of plug rod and plug hole, in combination with the elastic effect of reset spring, the stability of support rod support state is guaranteed, and the use reliability of box body is improved.

This utility model relates to vehicles, specifically providing a differential, a vehicle transmission assembly, and a vehicle, aiming to solve the problem of excessive internal oil pressure affecting the sealing effect of the oil seal in the differential. To this end, the differential of this utility model includes: a support base with a first through hole, the inner wall of which has an annular groove; an input shaft; and an adjusting ring disposed within the annular groove, with a clearance fit between the adjusting ring and the inner wall of the annular groove, allowing oil to flow through the gap on both sides of the adjusting ring. This utility model, by setting an adjusting ring within the through hole of the differential support base and ensuring a clearance fit between it and the inner wall of the annular groove, achieves free flow of oil under normal operating conditions; when a large oil pressure difference occurs on both sides of the adjusting ring, the adjusting ring automatically adheres to the inner wall of the annular groove under pressure, promptly sealing the gap and effectively isolating the oil flow. This structure can dynamically adjust the internal oil pressure of the differential without changing the original arrangement.

The utility model relates to an adjustable damping structure which comprises an output shaft, a driving motor, a damping piece and an adjusting assembly. The driving motor is connected with the output shaft and is used for driving the output shaft to rotate; the damping piece is installed on the output shaft and used for generating friction with the output shaft when the output shaft rotates. The adjusting assembly comprises a spring, a rotation stopping gasket and a locking nut which are sequentially installed on the output shaft, the damping piece is arranged on the side, away from the rotation stopping gasket, of the spring, and rotation stopping tooth-shaped parts which can be meshed with each other are arranged on the surface of the rotation stopping gasket and the surface of the locking nut. Wherein the output shaft is provided with a thread matched with the locking nut. The damping torque can be adjusted in real time, operation is easy and convenient, the anti-loosening function is achieved, it can be ensured that the damping torque is output stably, and use reliability is effectively improved.

This application provides a water-cooled roller fixture for strip conveying, including a protective component, a drive component, a coupling, a water-cooled roller, and a water-cooling assembly. The protective component includes a protective cylinder and a first bearing seat and a second bearing seat rotatably located at both ends of the protective cylinder. The drive component is mounted on the first bearing seat. The coupling is placed inside the first bearing seat. One end of the water-cooled roller is inserted into the protective cylinder, and the other end is rotatably engaged with the first bearing seat. The water-cooled roller is connected to the output shaft of the drive component via the coupling. The water-cooling assembly is used to supply cooling water with a circulating path to the water-cooled roller. The water-cooled roller fixture for strip conveying provided by this application allows the water-cooling assembly to transport cooling water to the space where the water-cooled roller is located, cooperating with the existing forced cooling on the outer periphery of the protective cylinder to simultaneously cool the inside and outside of the protective cylinder. The coupling is placed inside the first bearing seat, isolating it from the outside environment and preventing moisture from contacting the coupling.

The application provides a top cover, a cap assembly and a battery. The top cover comprises a supporting outer ring, a plurality of gable connecting pieces and an outer connecting welding piece connected in sequence, the number of the gable connecting pieces is at least two, and a pressure relief channel for pressure relief is formed between each two adjacent gable connecting pieces; a plane where the supporting outer ring is located is defined as a gable reference plane, each gable connecting piece comprises a vertical extension part and a gable extension part, the gable extension part is connected to the vertical extension part and the outer connecting welding piece respectively, one end of the vertical extension part away from the gable extension part is connected to the supporting outer ring, a gable is formed between the surface extension direction of the end of the vertical extension part connected to the gable extension part and the gable reference plane, the degree of the gable is 40°-79°, the inclination angle of each gable connecting piece relative to the supporting outer ring is large, the top cover has good compression deformation resistance, and the compression residual deformation of the top cover is small compared with the cap assembly of the traditional battery.

The application provides a vehicle. It belongs to the technical field of vehicles. The vehicle comprises a vehicle body frame, which comprises: a frame beam body having a first side facing the inside of the vehicle body and a second side facing the outside of the vehicle body, the frame beam body being formed with a groove recessed towards the second side; a first reinforcing column at least partially filling the first side of the groove of the frame beam body; a connecting piece, at least part of the connecting piece being arranged in the first reinforcing column along the inside-outside direction of the vehicle body and connected with the first reinforcing column; a door hinge connected with a door; and a fastening assembly comprising a first fastener and a second fastener, the door hinge being connected with the connecting piece through the first fastener and the second fastener. Thus, the vertical rigidity of the door can be improved.

The utility model discloses an FFC flexible flat cable high resolution transmission device, which relates to the FFC flat cable technology field, and comprises a connector main body and an interface slot, the interface slot is provided with a flat cable main body, and the joint of the flat cable main body and the interface slot is provided with a flat cable protection mechanism. The flat cable protection mechanism comprises a contraction cylinder, a straight cylinder and an expansion cylinder which sleeve one end, close to the interface slot, of the flat cable main body, the contraction cylinder and the expansion cylinder are positioned on two sides of the straight cylinder and are arranged in a mirror image manner, and the longitudinal sections of the expansion cylinder and the straight cylinder are semicircles which are gradually reduced towards the straight cylinder; according to the utility model, a progressive protection channel is formed through the flat cable protection mechanism composed of the contraction cylinder, the straight cylinder and the expansion cylinder, the diameter of the inlet end of the contraction cylinder is large, flat cables can enter smoothly, and the semi-arc-shaped raised lines on the inner wall of the straight cylinder are made of elastic rubber materials, so that the frictional wear between the flat cables and the channel is reduced, and the service life of the flat cables is prolonged. And the outlet end of the expansion cylinder is gradually expanded, so that the bending stress of the flat cable is effectively relieved.

The utility model relates to a hollow plate hot mark pressing device which is suitable for the field of hollow plate processing. The device comprises a support, two hot-pressing rollers rotating relatively are arranged on the support, a plurality of protruding annular hot-pressing teeth are evenly distributed on the hot-pressing rollers in the radial direction, a hot-pressing mark channel is formed, a motor drives a chain to conduct transmission, continuous machining of the hollow plate is achieved, and efficiency is improved. The hot-pressing roller is hollow to form a heat-conducting oil cavity, the hollow rotating shaft serves as an oil inlet and outlet channel, heat-conducting oil is circularly heated under the action of the conveying pump, the temperature is maintained at 180-220 DEG C, and it is ensured that the indentation quality is stable. A protective shell is arranged at the top of the device, and a feeding port and a discharging port are provided with height-adjustable L-shaped pressing plates, so that the device is suitable for plates with different thicknesses. According to the device, by optimizing the structural design, efficient and accurate hot-pressing mark machining is achieved, the machining quality of the hollow plate is remarkably improved, the service life of the hollow plate is remarkably prolonged, the production cost is reduced, and good market application prospects are achieved.

The utility model discloses a faucet switching valve, and belongs to the technical field of bathroom accessories. The switching valve comprises a switching valve body, a control assembly and a driving assembly, the switching valve body is provided with a water inlet, a first water outlet and a second water outlet, the control assembly comprises a diaphragm seat and a valve element driving rod which are installed at the two water outlets respectively, the diaphragm seat can slide, and a sliding hole is formed in the diaphragm seat and used for being connected with the valve element driving rod; the other end of the valve element driving rod is connected with the driving assembly. The driving assembly can be switched between a first working position and a second working position, and when the driving assembly is located at the first working position, the first water outlet is opened, and the second water outlet is closed; and when in the second working position, the second water outlet is opened, and the first water outlet is closed. The faucet switching valve solves the problem that when backpressure of a water outlet of an existing faucet switching valve is large, force applied by a driving assembly is large, and switching of two water outlet channels can be achieved.

The invention relates to the technical field of quick-closing valves, and discloses a sleeve quick-closing valve which comprises a valve seat, a mounting block, a valve element and a fixing block. A sleeve is installed on the upper surface of the valve seat, an adjusting rod is screwed to the upper surface of the sleeve, and a lifting block is arranged at the bottom end of the adjusting rod. The mounting block is arranged at the bottom of the lifting block, a limiting rod is inserted into an inner cavity of the mounting block, a piston is mounted at the bottom end of the limiting rod, and a first spring is arranged between the piston and the mounting block; limiting strips are mounted on the two sides of the surface of the limiting rod, and limiting grooves are formed in the corresponding positions of an inner cavity of the mounting block. Mounting cylinders are uniformly distributed on the surfaces of the fixing blocks, second springs are mounted on the surfaces of the mounting cylinders, and extrusion plates are mounted at the output ends of the second springs. Through cooperation of all the structures, precise butt joint and separation of the valve element and the valve seat are achieved, movement stability and sealing reliability are guaranteed, opening and closing response efficiency is optimized, impact force is buffered, abrasion is reduced, the service life is prolonged, and operation stability and use reliability are improved.

The invention discloses a low-expansion three-temperature cold and hot plate and a preparation method, and belongs to the field of precise alloy components. The cold and hot plate is made of titanium-niobium-based alloy, the titanium-niobium-based alloy comprises, by atomic percent, 25%-35% of Nb, the total content of V and / or Ta smaller than or equal to 3% and the balance Ti, the titanium-niobium-based alloy comprises a three-temperature structure of a low-temperature adaptation area, a normal-temperature stable area and a high-temperature tolerance area, the thickness of the titanium-niobium-based alloy ranges from 1.5 mm to 2 mm, and the surface of the titanium-niobium-based alloy is provided with a nitride layer or a passive film. The preparation method comprises the steps of burdening, 2-3 times of vacuum consumable smelting, hot forging, hot rolling, partition cutting, pre-deformation regulation and control, solid solution quenching, cold rolling finishing, splicing forming and the like, and vacuum stress relief annealing and dual performance detection are matched. The method is suitable for scenes such as chip packaging and precision detection, and is low in cost and high in qualified rate.

The utility model discloses a kind of end small wheel supporting type mechanical arm and tracked driving platform, belong to mechanical arm technical field.The mechanical arm includes: mechanical arm base, joint arm and small wheel auxiliary support module;The joint arm is sequentially connected by rotating joint, first pitch joint, intermediate section, second pitch joint and end section;The rotating joint is arranged in the upper end surface of the mechanical arm base, relative the mechanical arm base rotates;The end section is equipped with at least one mechanical installation interface, one of which is used to install small wheel auxiliary support module to make the small wheel auxiliary support module move with joint arm;The small wheel auxiliary support module includes: support rod, small wheel and wheel shaft;One end of the support rod is machined with outwardly extending mounting base for connecting the joint arm, the other end is provided with recess;The small wheel is installed in the recess;The wheel shaft is sequentially fixed after passing through recess side, small wheel inner ring and recess other side.

The application discloses a forming die and process of a U-shaped pressure relief separation guard plate with multiple T-shaped reinforcing ribs, relates to the technical field of composite material forming, and discloses the following technical scheme: the forming die comprises a male die, an outer female die, an integral lateral pressing block, multiple reinforcing rib split pre-paving blocks and reinforcing rib split connecting beams; each of the reinforcing rib split pre-paving blocks is provided with a T-shaped connecting groove; the reinforcing rib split connecting beams pass through the T-shaped connecting grooves in sequence to connect and fix the reinforcing rib split pre-paving blocks into a combined pressing block; the U-shaped main body formed by the integral lateral pressing block and the combined pressing block is placed at a die position of the male die; and the integral lateral pressing block and the combined pressing block are provided with the outer female die at the periphery. The application has high integral strength, high reliability and good stability, does not need a post-assembly process, greatly reduces production cost, is suitable for batch production of products, and has a wide application prospect.

This invention discloses a chemical equipment exhaust gas filtration device, belonging to the field of chemical equipment technology. The chemical equipment exhaust gas filtration device includes a purification cylinder, with a connecting member installed on the upper surface of the purification cylinder, and a filter assembly installed inside the connecting member. The filter assembly includes a purification mechanism for purifying impurities and a cleaning mechanism for removing sticky impurities, with the cleaning mechanism installed inside the purification mechanism. The purification mechanism includes a partition fixedly connected inside the purification cylinder. This invention, by setting a dedicated cleaning mechanism, can efficiently and thoroughly clean oily impurities and viscous dirt adhering to the inside of the purification mechanism, effectively avoiding problems such as blockage and increased resistance caused by impurity accumulation. The purification device, after timely cleaning, can maintain good operating conditions and achieve long-term stable continuous operation, thereby ensuring that the overall treatment efficiency is not affected and significantly improving the service life and reliability of the device.

The utility model belongs to the technical field of butterfly valves, and discloses a high-performance center line-type butterfly valve which comprises a valve body, a valve seat is installed in the valve body, a valve rod is arranged in the valve seat in a penetrating mode, a butterfly plate is installed on the outer wall of the valve rod, the valve rod drives the butterfly plate through rotation, the outer edge of the butterfly plate and the valve seat form a sealing pair, and the valve seat and the butterfly plate are connected through a connecting rod. A sealing ring is installed on the outer side of the butterfly plate, the sealing pair is of a spherical surface structure design, the outer edge of the sealing ring is also of a spherical surface structure, in the using process of the butterfly valve, the sealing pair and the sealing ring are of the spherical surface structure design, the sealing position of the valve seat and the butterfly plate is specially processed, and the contact portion is in smooth transition. Therefore, in the opening and closing process of the valve body, the sealing pair can achieve smooth displacement, and friction and abrasion are greatly reduced. Therefore, the torque needed by the valve body in the operation process is small, the operation difficulty is reduced, the service life of the valve body is remarkably prolonged, and the overall reliability of the valve body is remarkably improved.

The utility model discloses a handle is cleaned to tooth cleaner cleaning, is related to tooth cleaner technical field, including handle, water delivery channel, tooth cleaner joint and flow regulation cylinder, install valve stem in flow regulation cylinder, and the upper middle part of valve stem is annular and is provided with flow regulation notched, and the outer wall of upper end and lower end of valve stem all is provided with sealing groove, and sealing groove is connected with sealing ring in the sleeve, and the top of valve stem still is connected with the adjusting button, the bottom of flow regulation cylinder is provided with the plug, and the inside of flow regulation cylinder is located between valve stem and plug still is provided with spring, this design is through pressing the adjusting button and drives valve stem to slide up and down, utilizes the relative position change of flow regulation notched and water delivery channel, can realize the stepless regulation of water flow size, satisfies the demand of different cleaning scene, in addition, the sealing ring on valve stem and the O shape sealing ring between plug and flow regulation cylinder, form multiple sealing structure, effectively prevent the occurrence of the phenomenon of water leakage, improve the use safety and reliability of equipment.

The utility model discloses the structure of child and mother window of business car, it mainly applies to the rear window area of the car body of business car. The structure of child and mother window of business car contains a fixed window, and the fixed window is installed to the car body and forms an opening, the inner side end face mother frame of setting in the fixed window, and is equipped with the slide rail in the mother frame, a movable window frame, the movable window frame can be slidably configured in the slide rail, and a movable window, the movable window is installed in the movable window frame, when closing state, the movable window can close the opening, and with the outer surface of fixed window keeps the same plane, to ensure that the car body appearance integrity, and promote air tightness and sound insulation. Through this design, the utility model can effectively improve the inconvenience that the traditional business car rear window cannot open, provide the window structure of car appearance consistent, sound insulation, waterproof and ventilation demand.

This invention provides a charge-type control circuit, control system, and control method for a three-arm resonant topology. The charge-type control circuit controls a three-arm resonant topology circuit to perform six-step commutation. A circuit output feedback module collects the output electrical signal of the three-arm resonant topology circuit and processes the signal to obtain a feedback result. An integral comparison module collects the primary resonant signal, calculates the integral result, compares the integral result with the feedback result, and outputs a pulse trigger signal based on the comparison result. A drive generation module outputs a frequency adjustment signal to the three-arm resonant topology circuit based on the pulse trigger signal. The frequency adjustment signal controls the three-arm resonant topology circuit to perform six-step commutation. By triggering the state flip of the switching transistor when the integral calculation result reaches a preset threshold, inconsistencies in the parameters of the resonant components between the bridge arms that lead to uneven current flow are avoided, thus improving the device's lifespan and reliability.