314results about How to "Less prone to damage" patented technology

The invention belongs to the technical field of valves, and discloses a self-sealing anti-leakage valve which comprises a valve body and a connecting assembly. A buffer assembly; an adjusting assembly; a cleaning assembly and a cut-off assembly. According to the invention, by installing the cut-off assembly for auxiliary movement, when a piston block reaches a gap of a partition plate and continuously moves downwards, the piston block encounters the pressure of water flow in a right cavity to form a water hammer effect, and at the moment, three metal rods contact a groove ring and move downwards clockwise in a groove; the L-shaped rod can be pushed out under clockwise pushing of the cross plate and the oval groove, the shape of the L-shaped rod is a section conical surface, when the L-shaped rod continuously stretches out to be close to the bottom face of the partition plate, additional downward extension force can be provided for the piston block, the piston block can be assisted to be completely attached to and close a gap in the partition plate, and therefore the sealing effect is good. The problem that in the gradual closing process of an opening and closing piece of the valve, water flow can generate certain impact force on the opening and closing piece, and the water hammer phenomenon is generated to cause leakage is solved.

The invention discloses a multifunctional integrated forging device, which relates to the technical field of forging equipment and comprises a bottom frame, a conveying mechanism is mounted on the bottom frame, a vertical frame covers the bottom frame, a lower die placed on the conveying mechanism can pass through the lower part of the vertical frame, and an upper die is mounted at the top in the vertical frame. Clamping mechanisms are symmetrically installed on the two sides in the vertical frame, each clamping mechanism comprises two base plates which are symmetrically arranged, one side edges of the two base plates are fixedly connected through a bottom plate, multiple sets of belt wheels are rotationally connected between the two base plates, the peripheries of the belt wheels are sleeved with first belts, and second hydraulic telescopic rods are installed on the outer side of the vertical frame; and the output end of the second hydraulic telescopic rod is fixedly mounted on the bottom plate. After the first belts on the two sides make contact with the die, the die cannot be rigidly limited, the die can still move by a certain distance after making contact with the first belts, and after the first belts are completely located below the upper die, movement of the first belts can be limited, so that the stability of the die is kept, and the first belts can be conveniently matched with the upper die for forging.

The invention discloses a mountainous region photovoltaic panel strong-wind-resistant swing suppression device which comprises a fixed base provided with a plurality of mounting holes, a stand column assembly with one end rotatably connected with the fixed base, a photovoltaic panel mounting frame comprising a plurality of transverse supporting beams and longitudinal supporting beams, and a windproof inhaul cable assembly comprising at least three inhaul cables. And the wind direction sensor is mounted at the top of the photovoltaic panel mounting frame. Comprising the following steps of site preparation, fixed base installation, stand column assembly installation, photovoltaic panel installation frame assembling and installation, windproof inhaul cable assembly installation, sensor and controller installation and debugging and detection. The height and the angle of the stand column assembly can be flexibly adjusted according to the actual terrain and installation requirements, and it can be ensured that the device achieves the expected strong-wind-resistant swing restraining effect through debugging and detection steps after installation.

The invention relates to the technical field of environment-friendly material preparation and water treatment, and particularly discloses a recycling method for producing a porous water treatment filler by using sludge and red mud. The raw material formula is optimized, and the red mud, the sludge, the tourmaline powder, the medical stone powder and other components are selected to jointly form the base material. The filler prepared according to the method provided by the invention not only realizes recycling of solid wastes such as sludge and red mud, but also has an ideal pore structure, can be in full contact with sewage, and is beneficial to improving the sewage treatment efficiency. Meanwhile, mullite, aluminum borate, tridymite and part of minerals in the red mud and clay materials are utilized to jointly form a framework structure of the filler, the mechanical performance of the filler is improved, the filler is not prone to damage in the using process, and the defects in related technologies are overcome.

The utility model discloses a horizontal optical cable connector box convenient for flexible installation, which belongs to the technical field of horizontal optical cable connector boxes, and comprises a shell A and a shell B. The shell A and the shell B are detachably connected, the outer surface of the shell A is provided with a support assembly, and the outer surface of the shell B is provided with a protection assembly. The bottom plate of the shell A is close to the supporting face, the distance between the shell A and the bottom plate can be adjusted and fixed through the telescopic frame, the locking piece is used for penetrating through the strip-shaped hole of the bottom plate, the shell A is fixed to the supporting face, the installation process is convenient, supporting stability is good, and the application range is wide. When the bottom plate is placed relative to the metal supporting face, the bottom plate is positioned in an auxiliary mode under the magnetic attraction effect of the permanent magnet. According to use requirements, the shell A and the supporting assembly can be assembled, an assembling plate of the supporting assembly is clamped in an assembling groove, a bolt penetrates through the assembling plate to be pressed in a threaded groove, and the assembling process is convenient.

The invention relates to the field of batteries, and provides a battery clamp and a preparation method thereof. The battery clamp comprises a first clamping plate, and a first clamping groove is formed in the first clamping plate; a second clamping groove is formed in the second clamping plate, and under the condition that the first clamping plate is installed on the second clamping plate, the first clamping groove and the second clamping groove form a clamping space used for clamping the outer circle face of the battery; the telescopic supporting rod is connected to the first clamping plate or the second clamping plate. The battery clamp can effectively clamp the outer circular surface of the battery and prevent the battery from moving or sliding off in the operation process, so that the stability and the safety of operation are ensured. And the design of the clamping groove fully considers the protection of the battery, so that the damage to the battery caused by too large clamping force of a traditional clamp is avoided, the service life of the battery is prolonged, and the maintenance cost is reduced.

The utility model discloses a polisher for guardrail processing, which relates to the technical field of guardrail processing, and comprises a bottom plate, the top end of the bottom plate is fixedly connected with a vertical plate, one end of the vertical plate is provided with a circular groove, the inner surface of the circular groove is fixedly connected with a polishing device, and the polishing device comprises a first motor. The output end of the first motor penetrates through the vertical plate and is fixedly connected with a first short rod, one end of the first short rod is fixedly connected with a first gear, the outer surface of the first gear is connected with two second gears in a meshed mode, and the outer surfaces of the two second gears are jointly connected with a gear ring in a meshed mode; the outer surface of the gear ring is fixedly connected with the inner surface of the circular groove, the outer surface of the first short rod is fixedly connected with a connecting rod in a sleeved mode, and one end of the connecting rod is fixedly connected with two second short rods. And the grinding efficiency is effectively improved.

The invention relates to the field of nut machining equipment, in particular to locknut forming machining equipment which comprises a rack, a feeding device arranged on the rack, a conveying device used for conveying a hot steel section conveyed by the feeding device and a forming device. The forming device is used for sequentially upsetting the heated steel section on the conveying device, punching the upset steel section, forming the upset steel section into a traditional flange nut and notching the formed flange nut, and the forming device is used for notching for multiple times in a sequentially deepening mode to form a sealing groove; the aperture of the center hole of the flange nut is smaller than the specified aperture after the last time of notching of the forming device, and the forming device synchronously punches and corrects the center hole of the flange nut during the last time of notching. The flange nut with the sealing groove can be formed on the heating steel section in a one-time forging and pressing mode, a center hole, deformed due to sealing groove stamping, of the flange nut is corrected while notching is conducted, follow-up tapping is facilitated, the production efficiency is improved, and the quality is ensured.

The invention relates to the technical field of aluminum alloys, in particular to a high-strength corrosion-resistant aluminum material and a preparation method thereof. The preparation method comprises the following steps: mixing a chitosan corrosion inhibitor, an amino acid corrosion inhibitor, polysulfone, lignosulfonate and other raw materials to obtain a microcapsule corrosion inhibitor; and adding the microcapsule corrosion inhibitor into a dopamine solution, and carrying out stirring reaction to obtain the dopamine microcapsule corrosion inhibitor. Adding the dopamine microcapsule corrosion inhibitor and the curing agent into epoxy resin to obtain an epoxy resin coating; and the surface of the pretreated aluminum profile is coated with epoxy resin paint, and a finished product is obtained. The finished product prepared through the method has good corrosion resistance, durability and crack resistance, and therefore the finished product has wide application prospects in the technical field of aluminum alloy.

The manufacturing method of the integrated rigid centralizer comprises the steps that S1, steel is subjected to hot rolling to obtain a seamless steel pipe; s2, the seamless steel pipe locally protrudes outwards in the radial direction to deform through internal high-pressure forming, a plurality of spiral centralizing edges are formed on the surface of the seamless steel pipe, and the multiple centralizing edges are arranged on the outer surface of the seamless steel pipe in a surrounding mode; s3, carburizing, quenching and tempering the seamless steel tube with the centralizing edges obtained in the step S2; according to the integrated rigid centralizer, centralizing edges are spiral, the multiple centralizing edges are attached to the outer surface of a cylinder in a surrounding mode and are integrally connected with the cylinder, and smooth arc-shaped transition sections are integrally connected between the cylinder and the centralizing edges. According to the manufacturing method, the integral rigid centralizer without a welding seam or other connecting structures can be manufactured in an internal high-pressure forming mode, and the integral rigid centralizer can smoothly pass through a narrowed part and a bent part of an oil well; the centralizer has the advantages of being high in rigidity, uniform in thickness, high in precision, free of excessive stress concentration, excellent in structural performance, not prone to damage, long in service life and the like.

The utility model provides a panel high-brightness LED (light-emitting diode) lamp, which relates to the technical field of panel high-brightness LED lamps and comprises a lamp base, a plurality of lamp bead blocks are arranged on one side of the lamp base, a lampshade is detachably mounted on one side of the lamp base through bolts, a cleaning and collecting device is arranged on the inner wall of the lampshade, and the cleaning and collecting device is connected with the lamp bead blocks. By arranging the cleaning and collecting device, in the lighting process of the LED lamp, when insect corpses adhere to the interior of a lampshade after the LED lamp is used for a long time, a motor in the inner wall of a first sliding groove can be started to drive a threaded rod to rotate, and therefore a brush and a scraping plate can be driven to move back and forth in the inner wall of the first sliding groove; the insect corpses retained at the bottom of the lampshade are pushed to the two ends of the lampshade, fall out from the L-shaped holes after being pushed to a certain position and fall into the inner wall of the collecting box to be collected, later treatment is facilitated, and the situation that the illumination range of the lamp beads is blocked, and the illumination effect of the lamp bead blocks is affected is avoided.

The utility model relates to the technical field of glass processing, in particular to a cutting table for glass processing, which comprises a processing table, supporting legs fixedly mounted on the bottom surface of the processing table, a supporting frame fixedly mounted on the top surface of the processing table, a cutting device slidably mounted on the inner wall of the upper end of the supporting frame, an adsorption mechanism arranged above the processing table, and fixing mechanisms arranged on two sides of the adsorption mechanism. The adsorption mechanism comprises an adsorption part and a collection part, the adsorption mechanism is used for adsorbing the surface of the glass, the fixing mechanism comprises a connecting part and a fixing part, and the fixing mechanism is used for fixing the glass. Glass is placed on the multiple suction cups, the vacuum pump is started, the vacuum pump extracts air from the two adsorption boxes through the connecting pipe, air in the adsorption boxes is extracted, the multiple suction cups are driven to adsorb and fix the glass, and due to the fact that the suction cups have certain toughness, the glass is subjected to certain shock absorption buffering when the glass is cut, and the glass is prevented from being damaged. The glass is not easy to damage during cutting, and the cutting quality is improved.

The invention provides a mechanism for preventing thermal treatment deformation of an engine exhaust nozzle, and relates to the technical field of mechanisms for preventing thermal treatment deformation of the engine exhaust nozzle, the mechanism comprises a base, the top of the base is rotatably connected with a disc, one side of the disc is provided with an adjusting and supporting device, and a rotating device is arranged between the base and the disc; the adjusting and supporting device comprises a double-shaft motor and a plurality of first supporting blocks, the adjusting and supporting device is arranged, and the inner walls of the bottoms of engine exhaust nozzles of different sizes can be supported and reinforced by adjusting the positions of the first supporting blocks according to actual use requirements; by arranging the rotating device, the rotating disc can drive the fixed bottom of the engine exhaust nozzle to rotate along with the rotating device in the heat treatment process, so that the outer surface of the engine exhaust nozzle is heated more uniformly, the probability of deformation is reduced, and the machining effect and quality are improved.

The invention belongs to the technical field of ceramics, and particularly relates to a light glazed ceramic large brick and a preparation method thereof. The light glazed ceramic large brick is composed of a blank body layer, a ground coat layer and a surface glazed layer, wherein the blank body layer is prepared from the following components in parts by weight: 35-42 parts of kaolin, 25-30 parts of argil, 8-12 parts of cordierite, 10-15 parts of quartz, 5-9 parts of aluminum oxide, 4-9 parts of potassium feldspar and 1-3 parts of a binder; the ground glaze layer is prepared from the following components in parts by weight: 25-37 parts of potassium feldspar, 15-20 parts of calcined talc, 15-20 parts of frit, 10-25 parts of quartz, 8-10 parts of calcite, 5-10 parts of zirconium silicate and 5-8 parts of calcined zinc oxide; and the surface polishing glaze is prepared from the following components in parts by weight: 30-40 parts of frit, 20-30 parts of clay, 15-22 parts of albite, 10-15 parts of zinc oxide, 10-15 parts of stone powder and 8-13 parts of kaolin. Meanwhile, according to the preparation method of the large ceramic brick, a low-temperature fast firing technology is adopted, the sintering performance of the large ceramic brick is improved, the strength and hardness of the large ceramic brick are improved, and the large ceramic brick is safe, firm and not prone to breakage when bearing certain pressure or impact force.

The invention relates to the technical field of transmission structures, and provides a transmission structure for an impeller shaft of an impeller head and an online rotation detection device, which are convenient for preventing vibration from being transmitted to a motor, so that the motor is not easy to damage, the motor can be independently replaced and overhauled, meanwhile, the dynamic balance state of an impeller shaft body is convenient to detect, and the service life of the impeller shaft body is prolonged. The shot blasting device comprises a shot blasting device body, a bottom plate, a rotation detection assembly and a stabilizing plate, the bottom plate is installed on the shot blasting device body, an impeller shaft body is arranged on the shot blasting device body, a flexible coupler fixedly sleeves the impeller shaft body, a rotating shaft fixedly sleeves the flexible coupler, a fixing plate is rotationally connected to the rotating shaft, and the stabilizing plate is arranged on the bottom plate. The fixing plate is fixedly connected to the bottom plate, the rotation detection assembly is arranged on the bottom plate and used for detecting dynamic balance of an impeller shaft body, the stabilizing plate is fixedly connected to the bottom plate, a rotating shaft is rotationally connected to the stabilizing plate, and a transmission assembly is arranged between the rotating shaft and the rotating shaft.

The utility model discloses a raised floor and a combined floor, comprising a floor body, the floor body is provided with a plurality of first support assemblies and at least one second support assembly; the multiple first supporting assemblies are distributed in the circumferential direction of the floor body. The second supporting assembly is arranged in the middle of the floor body. The first supporting assembly and the second supporting assembly are located on the same side of the floor body. According to the utility model, supporting points to the floor are increased, so that the loading capacity of the floor is effectively improved.

The invention relates to the technical field of otolith sample preparation, in particular to a freshwater fish otolith sample preparation method which comprises the following steps: 1, sampling otolith; 2, otolith cleaning; 3, weighing the otolith; 4, fixing the otolith; 5, vacuumizing and hardening; 6, cutting the otolith; 7, fixing and cutting for the second time; 8, otolith polishing; 9, polishing the otolith; 10, otolith dyeing. According to the method, the freshwater fish otolith sample can be well prepared.

The invention relates to the technical field of composite material preparation, and specifically discloses a composite preparation process for enhancing the mechanical properties of marine laminated wood. Wood powder, epoxy resin, antibacterial modified basalt fiber-titanium dioxide, a stabilizer and a curing agent are uniformly mixed, kneaded in an open mill, and hot-pressed in a hot press to obtain the marine laminated wood. The antibacterial modified basalt fiber-titanium dioxide contains a large number of active groups, which can form a three-dimensional staggered support network in a matrix, generate a cross-linked network structure, and effectively improve the mechanical properties of the matrix. The epoxy resin is used as an adhesive with strong bonding force, and can tightly bond the wood powder and other materials together, thereby reducing the waste of wood and improving the utilization rate of wood to achieve environmental benefits, forming a laminated wood with stable structure and high strength. Through a curing cross-linking reaction, a mesh structure can be formed, which further enhances the overall mechanical strength of the laminated wood and prolongs its service life.

The invention relates to a rice sieve device for high-nutrition grain processing, and relates to the technical field of grain screening, the rice sieve device comprises a rack, and the rack is provided with a feeding hopper and an elevator; the sieve plates are arranged on the rack, the aperture specifications of the sieve plates are different, the sieve plates are arranged in the height direction, and each sieve plate is provided with a plurality of sieve regions in the length direction of the sieve plate; the collecting hoppers are fixedly arranged on the rack, the number of the collecting hoppers is multiple, and a conveying belt is arranged below each collecting hopper; the vibration devices are arranged below the sieve plate and are arranged in the length direction of the sieve plate; and the self-switching mechanism is arranged between the rack and the vibration device and used for separating or connecting the sieve plate and the vibration device, driving the sieve plate to transversely move and locking the position of the sieve plate. The rice sieve device has the advantages that the space requirement for purchasing multiple rice sieve devices is lowered, the occupied area is reduced, the space utilization rate is increased, and meanwhile the effect of automatically and rapidly switching the sieve plates is achieved.

The present application relates to the field of nut processing equipment, and in particular to a kind of anti-loosening nut forming processing equipment, including a frame, a feeding device arranged on the frame, a conveying device for transporting the hot steel section conveyed by the feeding device, and a forming device, the forming device is used to sequentially upset the heated steel section on the conveying device, punch holes in the upset steel section and form it into a traditional flange nut, and notch the formed flange nut, the forming device punches grooves multiple times in a sequentially deepening manner to form a sealing groove, the aperture of the center hole of the flange nut after the last notch of the forming device is smaller than the specified aperture, and the forming device synchronously corrects the punching of the center hole of the flange nut during the last notch. The present application can forge a flange nut with a sealing groove for the heated steel section at one time, and at the same time as notching, correct the center hole of the flange nut that is deformed due to the stamping of the sealing groove, which is convenient for subsequent tapping, improves production efficiency, and ensures quality.

The utility model discloses a mattress hold-down device of a mattress button machine, which comprises a device main body, both sides of the top end of the device main body are provided with control grooves, the interiors of the control grooves are rotatably connected with two-way screws, both sides of the middle part of each two-way screw are in threaded connection with threaded blocks, the bottom ends of the threaded blocks are fixedly connected with rotating shafts, and the rotating shafts are in threaded connection with the two sides of the top end of the device main body. A rotating rod is rotationally connected to one side of the rotating shaft, a mounting plate is rotationally connected to one end of the rotating rod, and a pressing plate is arranged on the outer side of the mounting plate. According to the device, the motor box, the two-way screw, the threaded block and the pressing plate are arranged, the first bevel gear is controlled by the driving motor in the motor box to rotate, and the first bevel gear is meshed with the second bevel gear after rotation, so that the two-way screw can be rotated to be in threaded fit with the threaded block; the mounting plate can be supported through rotation of the two ends of the rotating rod, and the mattress main body is pressed through the pressing plate after the mounting plate descends.

This application provides a systematic treatment device for building waterproofing, relating to the field of building waterproofing. It includes: a support assembly and a treatment mechanism disposed on the support assembly for treating the wall. The support assembly includes: a base plate, support legs, an upper plate, a lower plate, a drive motor, a transmission belt, and two lead screws. The support legs are fixed to the base plate. One end of each lead screw is rotatably mounted on the base plate, and the other end passes through the upper and lower plates and is threadedly connected to them. The output shaft of the drive motor is coaxially fixed to either lead screw. The transmission belt drives the transmission between the two lead screws. This application has the effect of accurately identifying leakage points.

The utility model discloses a reusable felt, which relates to the technical field of felts, and comprises a felt body and a fireproof layer, the bottom of the felt body is connected with an elastic layer, the bottom of the elastic layer is connected with a noise reduction layer, the fireproof layer is connected to the bottom of the noise reduction layer, the elastic layer comprises a first rubber layer and a second rubber layer, and a first rubber strip, a second rubber strip and a third rubber strip are mounted in each of the first rubber layer and the second rubber layer. When the reusable felt is used, the whole felt is extruded to deform, so that the first rubber strip, the second rubber strip and the third rubber strip are mutually extruded and collided, and the first rubber strip, the second rubber strip and the third rubber strip have good elastic recovery effects; therefore, the first rubber layer and the second rubber layer have a better recovery effect, the whole felt is not prone to damage, a user can repeatedly use the felt, and the service life of the whole felt is prolonged.

The utility model provides a polishing wheel. The polishing wheel comprises a wheel body; the polishing pieces are arranged on the edge, in the radial direction, of the wheel body, and the polishing pieces are sequentially arranged around the axis of the wheel body; the connecting piece is arranged at at least one axial end of the wheel body, one part of the connecting piece is inserted into the wheel body in the axial direction, and the other part of the connecting piece is inserted into the polishing piece in the axial direction. The polishing part can be conveniently mounted and dismounted, and the replacement cost of the polishing wheel is reduced.

The utility model relates to the technical field of silicon powder heating, specifically relates to a heating device for powder purification of direct pulling method, including heating block, the lower part of heating block is provided with the footboard, the footboard is connected with heating block through the connecting device, the connecting device includes the connecting hole of setting at the top of footboard, the bottom of connecting hole is provided with the plug pipe, a plurality of expansion joints are provided on the pipe body of plug pipe, improve the fixed effect of connection, guarantee the safe use, prolong the life, reduce the production cost.

This utility model discloses a robustly installed PCBA structure and server. The robustly installed PCBA structure includes a PCBA board and mounting screws. The PCBA board has mounting holes. Each mounting screw, from one end to the other, includes a threaded section, a tapered guide section, and a screw head. The tapered guide section passes through the mounting hole to secure the PCBA board to the server. The threaded section is used for threaded connection to the server. The tapered guide section is used to push and correct the position of the PCBA board. The screw head presses against the PCBA board. An elastic sealing ring is fitted around the outer periphery of the mounting screw, located between the outer periphery of the mounting screw and the inner periphery of the mounting hole. This utility model facilitates installation and ensures stability after installation.

The invention relates to the field of teaching equipment, in particular to an English teaching moving device which comprises a base, a positioning sliding groove is formed in the upper end of the base, protective covers are slidably connected to the two sides of an opening of the positioning sliding groove, and positioning sliding blocks are fixedly connected to the lower ends of the two protective covers. And the positioning sliding blocks are slidably connected to the interiors of the positioning sliding grooves, the upper end of the base is fixedly connected with a vertical plate, a lifting groove is formed in the outer wall of the vertical plate, and the upper end of the vertical plate is fixedly connected with a hydraulic cylinder. The display screen is slidably connected to the vertical plate through the lifting block, two protective covers matched with the display screen in size are arranged on the base, when the display screen is moved, the display screen can be lowered, the weight of the display screen is concentrated at the lower end of the vertical plate, the stability of the display screen is improved, and the display screen is not prone to toppling during movement; meanwhile, the display screen can be covered with the two protective covers, so that the display screen is not prone to damage in the moving process.

The garbage can convenient to use comprises a can body with a waste space, a first opening is formed in the top of the can body, and a can cover is arranged at the first opening; the can cover comprises an assembling part with a second opening, a cover plate arranged at the second opening, a driving device for controlling the cover plate to open and close and a control panel for controlling the driving device to work; the control panels are detachably arranged at different ends of the assembling part; by means of the detachable design of the control panel, a user can arrange the control panel at the position most suitable for himself or herself according to the using habit and the requirement for space layout, space is saved, the garbage can better conforms to the ergonomic principle, the user can conveniently operate the control panel without bending down or adjusting the standing position, and the user experience is improved. Therefore, the use convenience and comfort are greatly improved.

The utility model relates to a high-capacity chip multilayer ceramic capacitor, which belongs to the technical field of ceramic capacitors and comprises a ceramic medium, outer electrodes are fixed on the left side and the right side of the ceramic medium, a plurality of inner electrodes distributed in a staggered manner are fixed in the ceramic medium, a plurality of first extension electrodes are fixed on the outer side of each inner electrode, and a plurality of second extension electrodes are fixed on the outer side of each first extension electrode. The ceramic dielectric is provided with a protection mechanism used for improving the strength of the capacitor. According to the high-capacity chip multilayer ceramic capacitor, through cooperation of the insulating layers, the overall operation stability of the interior of the capacitor can be improved, through cooperation of the protective layers, the strength of the capacitor can be improved, so that the capacitor is not prone to damage, and the service life is prolonged; the capacitor can be connected with the inner electrode in the ceramic dielectric, the internal part of the capacitor can be prevented from being damaged when the circuit is short-circuited due to fault through the cooperation of the barrier layer, and the capacitor can be conveniently connected and installed through the cooperation of the terminal layer.