75results about How to "Easy and fast assembly" patented technology

The utility model discloses a detachable cleaning's air purifier filter screen structure, including filter core main part, the filter core main part includes fixed base, the active carbon fiber filter core of annular setting and filter screen subassembly, the active carbon fiber filter core inserts and sets up in the fixed cavity of fixed base, and is fixed through magnetic attraction structure, the filter screen subassembly is fixed on the fixed base from top to bottom, and the outer layer of double filter screen is placed in the outside of fixed base, and the inner layer of filter screen subassembly is placed in the inside of fixed base. The utility model discloses filter core main part adopts split type structure, and active carbon fiber filter core and filter screen subassembly can be independent, quickly and detached from fixed base, greatly facilitate the complete cleaning or replacement to each part, has solved the difficult problem of traditional integrated filter screen inconvenient cleaning.

The utility model discloses a closestool cover plate quick release connecting pipe assembly, which comprises a connecting pipe and two lock catch mechanisms, each lock catch mechanism comprises a push rod, a fixed shaft, a damper and a lock catch spring, a rotating shaft of the damper is exposed out of the connecting pipe when the lock catch mechanism is inserted into the connecting pipe and reaches a working position, and the lock catch spring is inserted into the connecting pipe. The fixing shaft is provided with a first elastic column, the connecting pipe is provided with a positioning hole, and the first elastic column is bounced into the positioning hole when the locking mechanism reaches the working position. The first elastic column is pressed to leave the positioning hole and pushes the damper inwards, so that the damper and the fixing shaft can compress the lock catch spring and then move inwards till the rotating shaft of the damper retracts into the connecting pipe. The lock catch mechanism is assembled and positioned through the first elastic column of the fixing shaft and the positioning hole of the connecting pipe, and the arrangement that the inner side direction reaches the limiting position when the push rod reaches the working position is combined, so that assembling and mounting of the quick-release connecting pipe assembly are more convenient and faster.

The utility model discloses portable cattle body spraying cooling equipment which comprises a telescopic spraying assembly, a plurality of connecting assemblies are connected to the spraying assembly in a clamped mode, and positioning assemblies are installed on the connecting assemblies. The spraying assembly comprises a plurality of corrugated pipes, every two adjacent corrugated pipes communicate with each other through a connecting pipe, spraying heads fixedly communicate with the surfaces of the connecting pipes, fixing inserting rods are symmetrically installed on the surfaces of the connecting pipes, and pipe heads communicate with the two corrugated pipes located at the two ends. And a first splicing head and a second splicing head are fixedly communicated with the two pipe heads respectively. The portable cattle body spraying and cooling equipment is reasonable in structural design and convenient to use, all the assemblies are designed in a splicing mode, large space is not occupied during transportation and carrying, assembling is easy and rapid, the installation stability is good, the equipment can be fixed to a cowshed, multiple pieces of equipment can be spliced and combined, and therefore the spraying area is enlarged, and the working efficiency is improved. And the use effect is excellent.

The invention belongs to the technical field of metal explosive cladding manufacturing, and discloses an explosive welding initiating explosive forming mold, an initiating explosive column and an explosive welding method. The mold comprises a pipe body and a cone assembled in the pipe body. The top end of the cone is upward, and a gap is reserved between the bottom face of the cone and the lower end face of the tube body, so that an upper columnar charging cavity and a lower conical energy gathering cavity are formed in the tube body. By means of the simple split design, traditional manual explosive pit digging operation is converted into a standardized process, the energy-gathered initiating explosive column with the highly-consistent shape, size and explosive loading amount is prepared, personal errors are thoroughly eliminated, and repeatability of initiation energy is guaranteed. And meanwhile, the bottom energy gathering cavity structure is beneficial to improving the energy utilization rate, and is particularly suitable for explosive welding of the multi-layer metal plate with the medium thickness. The device has the remarkable technical advantages of simple structure, low cost, time-saving operation, safety, high efficiency, batch production and the like.

The utility model provides an auxiliary mounting structure of a permanent magnet synchronous torque motor, which relates to the technical field of machine tool spindles and comprises a permanent magnet synchronous torque motor spindle assembly and a guide shaft. The main shaft assembly comprises a motor stator assembly, a motor rotor assembly, a rear bearing seat and a shaft core assembly; the motor stator assembly is in clearance fit with the rear bearing seat through H8 / f7, the motor stator assembly is fixedly connected with the end face of the rear bearing seat in a threaded mode, and the motor rotor assembly is in H6 / p5 interference fit with the shaft core assembly. The guide shaft is of a through hole shaft structure, an inner hole of the guide shaft and the outer circle of the shaft core assembly form H6 / h5 clearance fit, and the outer circle of the guide shaft and an inner hole of the rear bearing seat form H6 / h5 clearance fit. Only one jig is needed when the permanent magnet synchronous torque motor is installed on the main shaft, and assembling is easy and fast. The jig is simple in structure and easy to machine, and the structural characteristics of the jig are suitable for various permanent magnet synchronous torque motor spindles.

The utility model relates to a kind of speaker box wire outlet structure, comprising: loudspeaker;Silica gel cover, its sleeve is equipped in the outside of loudspeaker;Wire rod, one end is connected with loudspeaker, and the other end of wire rod is threaded through silica gel cover, the outer wall of wire rod and silica gel cover contact is wrapped with sponge, the sponge is clamped on silica gel cover, and sponge is used for balancing the air pressure between loudspeaker and silica gel cover inner and outer cavities.The utility model's speaker box wire outlet structure, wire rod is wrapped with sponge, wire outlet mode clamped in wire outlet position, both can fix wire rod, and can reduce the process of glue fixing wire rod, make assembly more simple and fast, and have the effect of deflation and balancing air pressure in speaker box, satisfy the structure requirement of customer while satisfying the sound quality demand.

The utility model discloses a modular quick disassembly and assembly type coagulative precipitation tank which comprises a sectional tank body and a mud bucket detachably connected to the bottom of the sectional tank body, the sectional tank body is composed of a plurality of sections of tank bodies which are detachably connected in the longitudinal direction, and the height of each section of tank body is not higher than 2m; every two adjacent sections of tank bodies as well as the mud buckets and the sectional tank bodies are fastened and connected through fasteners, and are sealed through first sealing pieces. According to the utility model, the volume and the weight of each component of the sedimentation tank are greatly reduced, and the sedimentation tank can be transported by adopting a conventional transportation mode, so that the requirement of special transportation is avoided. By means of the design, the transportation cost and time are greatly reduced, and the overall efficiency of a project is improved.

The utility model relates to a kind of amide condensation reaction dehydration devices, comprising: reaction kettle, the reaction kettle has internal chamber;Motor, rotating rod, stirring rod, one end of the rotating rod is connected to motor, the stirring rod is installed on the rotating rod, and at least a portion of the rotating rod and the stirring rod are located in the internal chamber of the reaction kettle, so that the motor drives the stirring rod to rotate in the internal chamber of the reaction kettle;Heating assembly, the heating assembly includes heating rod, at least a portion of the heating rod is located in the internal chamber of the reaction kettle, and the heating rod and the stirring rod do not interfere between;Dehydration component, the dehydration component includes condenser tube, the condenser tube is communicated with the internal chamber of the reaction kettle.

The utility model discloses a novel roof separation instrument which comprises an anchor head piece, a traction steel wire rope and a measuring mechanism, and the anchor head piece is connected with the measuring mechanism through the traction steel wire rope. The measuring mechanism comprises a fixed shell, a traction measuring piece and an angle sensor, the fixed shell comprises an inner shell and an outer shell, the outer shell is in a rectangular column shell shape with an opening in one side, the inner shell is in a rectangular column shell shape with an opening in one side, and the opening end of the inner shell is embedded in the inner side of the opening end of the outer shell; the traction measuring piece is located on the inner side of the outer shell and connected with the outer shell. The angle sensor is located on the inner side of the inner shell and connected with the inner shell. When the inner shell is embedded in the inner side of the opening end of the outer shell, the traction measuring piece is connected with the angle sensor. According to the utility model, the stretching amount of the traction steel wire rope and the settlement amount of the roof can be clearly seen, and the use effect of the roof separation instrument is effectively improved.

The utility model relates to the field of electric bed frame, especially four drive integrated formula electric bed frame. Including one side pipe, two drive structures, every side pipe is installed with two drive structures integratively, in this structure, the internal drive piece is directly integrated and installed in the inside installation channel of side pipe, thereby realizes the integrated setting of drive motor and internal drive piece before the delivery of bed frame, can follow the whole transportation of bed frame, and the transportation space occupancy can be greatly reduced, and a large amount of transportation cost can be saved in the mass production transportation process, and the drive motor and internal drive piece also do not need to prepare the storage and transportation box to pack to carry out the split transportation, when transferring to the customer side, the welding and assembly of drive structure are not needed, only need to complete the assembly of subsequent bed frame and bed board through the rotation part, and the assembly is simple and quick.

The utility model discloses an assembly type walkway board structure, including the board body, the left and right sides of plate body top wall are provided with the support seat respectively, and the left and right sides of two support seat lower extreme are provided with the guide slide groove still, including assembly mechanism, assembly mechanism: it includes fixed plate, clamping plate and linkage mechanism, the inner wall sliding connection of fixed plate all with guide slide groove, the lower extreme of four fixed plates all is provided with clamping plate, and the inside of support seat is provided with linkage mechanism, and fixed plate is driven by linkage mechanism, assembly mechanism still includes cross bar and connecting plate, the cross bar is provided with inside the front and back two sides of support seat respectively, this assembly type walkway board structure can be through the quick assembly of clamping fixed mode, has solved the problem that the stability and safety of board body have been affected because of the bolt body loosening, and the whole assembly process is simple and quick, and the construction efficiency is further improved.

The utility model discloses a kind of reinforced structures of roll type membrane element end cover, belong to reverse osmosis membrane element technical field.The structure includes end cover body and card strip grid.The end cover body includes outer ring, inner ring and multiple end cover support skeletons connecting outer ring and inner ring, the inner circumferential surface of the outer ring is circumferentially distributed with multiple for detachable connection reverse type buckle cooperation structure;The protruding buckle that the card strip grid two ends are equipped with is matched with the reverse type buckle cooperation structure;Multiple the card strip grid is connected between two end cover bodies by the cooperation structure, and form adjustable overall support frame.The utility model is through above-mentioned modular adjustable combination structure, the significant improvement of end cover strength and the balanced adaptation to different diameter membrane element are realized, effectively disperses stress, avoid the problem such as end cover cracking and glass steel fracture caused by stress concentration, significantly prolong the service life of membrane element under high pressure high salt working condition.

The invention discloses a precise positioning button rod assembling device which comprises a bottom fixing plate, an adjustable up-down sliding plate is arranged on the upper side of the bottom fixing plate, a material carrying table is arranged on the front side of the bottom fixing plate, an assembling base is arranged on the left side of the bottom fixing plate, and the precise positioning button rod assembling device further comprises an assembling mechanism; the assembling mechanism comprises a chuck fixing block, a compression spring, an assembling chuck and an assembling-in-place ejector pin, the chuck fixing block is fixedly connected to the front surface of the up-down sliding plate, the assembling chuck is slidably connected to the chuck fixing block, the assembling-in-place ejector pin is slidably connected to the interior of the assembling chuck, the upper end of the assembling-in-place ejector pin is fixedly connected with the chuck fixing block, and the lower end of the assembling-in-place ejector pin is fixedly connected with the compression spring. According to the precise positioning button rod assembling device, the structure is simple, the investment cost is reduced, meanwhile, the assembling process is simple and rapid, and the assembling working hours can be effectively reduced.

The utility model relates to bulldozer safety switch technical field, concretely relates to a safety switch device for bulldozer. The safety switch device includes safety switch mechanism, is used for the fixed mechanism of safety switch mechanism, and the fixed mechanism includes assembly component and operating box, and safety switch mechanism is installed on the inner side wall of operating box through assembly component. The safety switch device of the utility model through the safety switch mechanism is assembled on assembly component outside operating box first, then the safety switch mechanism and assembly component are assembled to operating box together, and the whole safety switch device is formed, and the size accuracy is controllable, and the assembly, maintenance and maintenance are simple and convenient.

The utility model relates to pipeline technical field more specifically, relate to a kind of water seepage prevention hose clamp, including first outer buckle, with the second outer buckle of first outer buckle rotary connection, first waterproof buckle, second waterproof buckle and several first elastic members, the end of first outer buckle is connected with the end of second outer buckle by locking member, first outer buckle inner wall is connected with the outer wall of first waterproof buckle by first elastic member, second outer buckle inner wall is connected with the outer wall of second waterproof buckle by first elastic member, when first outer buckle and second outer buckle are enclosed annular, first elastic member is evenly distributed along the circumference of first outer buckle, first elastic member is evenly distributed along circumference, the elastic force direction of first elastic member is along radial. First elastic member plays the role of buffer, so that first waterproof buckle and second waterproof buckle are more closely attached to the outer wall of hose, the pressure of hose is more uniform, avoid the gap between hose and joint caused by the deformation of hose partial place too small, improve the sealing of joint overall, avoid or reduce the situation of water seepage.

The utility model provides a traditional chinese medical science raw material smashing mixing integrated machine of anti -sticky wall structure belongs to traditional chinese medicine processing equipment technical field. Including smash mixing main part and smash mixing mechanism, the smash mixing main part includes smash mixing cylinder, two feed ports are equipped on the top of smash mixing cylinder, the seal cover is equipped on the feed port, the smash mixing mechanism is installed in the central position of smash mixing cylinder bottom, the smash mixing mechanism includes no. The plurality of sets of smashing blade is equipped on no. The rotatable frame is concentric with no. Symmetrical two groups of scrapers are equipped on the rotatable frame, the scraper is helical and the front end is silica gel material, the scraper is used for the cleaning of adhering on the inner wall of smash mixing cylinder, the undersurface of smash mixing cylinder is equipped with the screen, and the screen can screen qualified products.

This invention discloses an experimental water tank device for investigating changes in sand ripples on a near-bottom high-concentration sediment bed. The device includes a water storage tank, a straight-channel experimental water tank, and a sedimentation tank. The two sides of the straight-channel experimental water tank are connected to the water storage tank and the sedimentation tank, respectively. A transparent glass panel is installed on the surface of the straight-channel experimental water tank. A trolley track is fixedly installed at the upper end of the straight-channel experimental water tank, and a trolley is mounted on the track. A measuring mechanism is installed on the trolley, and a rangefinder is installed in the middle of the trolley. A flow meter is installed on one side of the trolley, and a 3D scanner is installed on the other side. The 3D scanner is installed on the lower end of the trolley's platform, with its scanning probe facing outwards and tilted downwards. A high-definition camera is positioned on the outside of the transparent glass panel. The measuring mechanism establishes a data transmission connection with a data terminal via a wiring harness. This invention features simple and quick assembly, high automation and efficiency, and the ability to continuously collect data on changes in sand ripples on the sediment bed surface in multiple dimensions.

The utility model discloses an assembled equipotential equalization line for an outdoor charging parking space. The assembled equipotential equalization line comprises a head end parking space equalization line, an expanded parking space equalization line and a charging pile equalization line. Firstly, a head-end parking space equalization line is arranged below a required parking space, then one or more expanded parking space equalization lines are connected through reliable welding, finally, charging pile equalization lines are welded to the parking space equalization lines according to the actual charging pile positions, and finally, installation of equipotential equalization lines below outdoor charging parking spaces is achieved. The main body parts are produced in a standardized mode, assembling is easy and fast, site construction difficulty and workload are reduced (about 90% of site welding workload is reduced), the construction period is shortened, the construction period and labor are saved, the overall construction quality is improved, construction pollution and waste are reduced, the installation efficiency is high, and the construction cost is reduced.

The utility model provides a support-free lens module and a car lamp. The support-free lens module comprises a lens, a substrate, a light source and a heat dissipation assembly. The lens is composed of a lens part and a supporting leg which are integrally formed and are both made of PC materials. The lens part is mounted above the substrate through the supporting legs, and the light source is mounted on the substrate below the lens part; the heat dissipation assembly comprises a fan erected on the back face of the substrate and a plurality of heat dissipation columns installed between the substrate and the fan, and the heat dissipation columns are arranged on the substrate in a matrix mode. The lens is composed of the lens part and the supporting legs which are integrally formed, the lens part and the supporting legs are both made of PC materials, the crystal is directly installed on the substrate through the supporting legs, an additional installation support is not needed, the structure is simplified, the overall size is reduced, and connection between the lens part and the supporting legs is more stable.

The utility model relates to the technical field of storage box, especially a large capacity injection molding storage box convenient to assemble, including bottom plate, two side plates and two panels, two side plates are connected between two panels and jointly constitute a rectangular frame, and the box cover is rotatably connected above one panel, wherein the side plate and the panel are connected through the first buckle structure and the bottom plate, the side plate and the panel are connected through the second buckle structure, the large capacity injection molding storage box of the utility model cleverly utilizes the buckle structure between injection molding parts, makes the assembly process simple and quick, and with the help of the telescopic function of air pressure support rod, the box cover can be easily opened and closed, greatly improving the convenience of operation, secondly, the storage box not only meets the demand of consumers for large capacity storage space, but also has good low weight performance.

This utility model provides a rotatable and retractable trachea with connectors, belonging to the field of tracheal tube technology. It includes a trachea body and trachea connectors. The trachea body includes a corrugated trachea with connectors at both ends, each connector being threaded to the trachea connector. The trachea connector includes a first connector and a second connector. The first connector has a first connecting sleeve at its tail end, with a first threaded groove inside. The first connector has a retractable first sealing plug inside, and the second connector also has a retractable second sealing plug inside. Both the first and second sealing plugs have sealing layers on their outer sides.

The utility model provides a kind of brake system integrated module and vehicle with it.The brake system integrated module includes: support assembly, support assembly includes: first support, second support and third support, first support is provided with multiple, multiple first support interval setting, adjacent first support is connected by third support, at least part third support protrudes first support bottom setting, third support is provided with multiple, third support is interval setting along the length direction of first support;The one end of second support is connected with the one end of first support, and the other end of second support is connected with the other end corresponding to first support, and the top of second support is provided with a distance from the bottom of first support, wherein, each first support is correspondingly provided with second support.The present application solves the problem that the air brake system components are dispersedly arranged in the prior art, which occupies a larger longitudinal beam fixing space of the vehicle frame, and the installation time is longer on the assembly line.

This utility model discloses a hinged structure for an eyeglass frame, including a headstock (7) and a hinge structure installed within the headstock (7). The headstock (7) is used to connect to the eyeglass frame, and the hinge structure is used to connect the temples (2). The temples (2) are rotatably installed within the headstock (7) via the hinge structure and can be fixed in place via the hinge structure. This structure optimizes the assembly method of the headstock and the hinge structure, avoiding problems such as loosening, falling off, and complex assembly that exist in traditional screw or welding connections. It achieves a stable and reliable structure with simple and quick assembly. At the same time, the temples can be stably stopped at a specific angle when opened, improving wearing comfort and ease of use.

The utility model provides the pressure gauge device of liquid crystal combination instrument production facility belongs to production facility technical field. Including main part mechanism, elevating system and positioning mechanism, the main part mechanism includes base, the base upper end is erected with the frame, the frame four struts inside all are equipped with the slide bar, the base lower extreme is equipped with four groups of support leg, the frame is installed with elevating system, the elevating system includes upper connecting plate and lower connecting plate, upper connecting plate and lower connecting plate four ends all are equipped with the sliding block and slide bar sliding connection, the positioning mechanism includes the mobile tray, the base upper end is equipped with the slide rail, the slide rail with mobile tray sliding connection.

The utility model discloses a spacing-adjustable electric tool battery plug, which comprises an upper shell, a lower shell is fixedly connected below the upper shell, and a movable plug structure is arranged in a space formed by the upper shell and the lower shell; the position of the plug is fixed through damping between the moving plate and the moving groove, the plug can adapt to different sockets, adjustment can be carried out without rotation, the production and manufacturing cost is low, and assembly is simple and fast.

This utility model provides a bidirectional piston for an air pump, including a piston body. An air pump body is provided on the outside of the piston body, dividing the air pump body into an upper air chamber and a lower air chamber. An inner cylinder is provided at the center of the piston body, and an outer cylinder is sleeved on the outside of the inner cylinder. The inner cylinder is connected to the inner tube of the air pump, and the outer cylinder is connected to the outer tube of the air pump. Multiple sets of reinforcing members are arranged around the outer wall of the outer cylinder. The piston outer wall is provided on the outside of the reinforcing members. A groove is provided on the lower part of the piston outer wall and the reinforcing members. A sealing rubber ring is provided inside the groove. The lower end of the inner cylinder is connected to a first air guide channel. The outlet end of the first air guide channel is connected to the groove. An upper valve port and a lower valve port are symmetrically opened at the upper and lower centers of the piston body. The outer cylinder and the inner cylinder form a third air guide channel. The lower end of the third air guide channel is connected to a second air guide channel. The second air guide channel is located inside the piston body and is used to connect to the upper valve port and the lower valve port respectively.

The utility model relates to the field of metal material pin type pressure-bearing tools, and discloses a device capable of realizing non-contact measurement of a high-temperature hole pressure-bearing test deformation process, which comprises an upper tool, a lower tool, a scale distance pin assembly and a scale distance clamp, a V-shaped groove is arranged at the inner bottom of the upper tool, a mounting groove I is arranged at the bottom of the upper tool, and a mounting groove II is arranged at the bottom of the lower tool. A first threaded connector is connected to the top of the upper tool, a scale distance pin assembly is installed at the position, close to the bottom, of the front portion of the upper tool, the scale distance pin assembly comprises a feature point marking plate and a second pin, the second pin is placed on the V-shaped groove, and the feature point marking plate is located at the position, close to the bottom, of the front portion of the upper tool and fixedly connected with one end of the second pin. By reasonably assembling the feature point marking plate, the upper tool and the lower tool and cooperating with the video extensometer, the occurrence of adverse factors such as test failure or equipment damage caused by deformation of a sample in the thickness direction of an existing device is avoided, and the test can be conveniently carried out in a high-temperature test environment.

The utility model provides an intelligent terminal compatible with wall hanging and desktop use, which relates to the technical field of display equipment assembly and comprises a terminal body and an on-hook plate, and the terminal body comprises a rear cover and a support plate rotatably connected with the rear cover. The rear cover is provided with an installation cavity forming a protruding part, one end of the hinge is embedded in the installation cavity, and the other end of the hinge is connected with the supporting plate and used for supporting the terminal body when the table top is used. And the rear cover is provided with a power supply interface, and the power supply interface sequentially penetrates through the supporting plate and the on-hook plate to be connected to a wall junction box. A positioning part is arranged on the rear cover, a magnetic sheet is embedded in the rear cover, a positioning protrusion made of magnetic conductive materials is arranged on the hanging plate, and stable positioning is achieved through magnetic attraction. The whole structure is compact, assembling and switching operations are simple and fast, the number of extra assemblies is reduced, the manufacturing cost is reduced, and the user experience is improved.

The utility model discloses a single-line circulation type hanging tablet for a clothing hang tag, which comprises a braid rope, the outer sides of the two ends of the braid rope are fixedly connected with limiting seats, the central position of one end of each limiting seat is fixedly connected with a secondary buckle, the center of the interior of each secondary buckle is provided with a rope penetrating hole, the outer side of each secondary buckle is sleeved with a primary buckle, and the center of the interior of each primary buckle is provided with a through hole; one side of the interior of the through hole is fixedly connected with a first retaining piece, the outer side of the first retaining piece is attached to the son buckle, a second retaining piece is arranged right opposite to the first retaining piece, one side of the second retaining piece is fixed to the mother buckle, the other side of the second retaining piece is attached to the son buckle, and the hole diameter of the rope penetrating hole is equal to the diameter of a braid rope. The hanging tablet can be repeatedly used, so that materials are saved, the cost is reduced, and monomer circulating hanging tablets with different colors can be formed by mixing and matching the mother buckles, the son buckles and the woven belt ropes with different colors, so that the overall attractiveness of the hanging tablet is improved, and the purchasing desire of consumers is enhanced.

The utility model relates to the technical field of door leaves, and discloses a novel aluminum alloy door leaf sectional material, which comprises an arc-shaped vertical frame sectional material, a vertical frame flapper sectional material and a sealing glue solution, and is characterized in that the arc-shaped vertical frame sectional material is an integrally formed part, and arc-shaped decorative panels are arranged on two sides of the top of the arc-shaped vertical frame sectional material; a panel mounting groove is formed in the center of the arc-shaped vertical frame profile and used for mounting a glass panel, connecting tables are arranged at the bottoms of the two ends of the decoration panel, connecting feet are arranged on the inner sides of the connecting tables in a downward extending mode, and clamping feet are arranged on the panel on the outer sides of the connecting feet. A reinforcing groove plate is arranged at the bottom of the panel mounting groove in an extending mode, and small cavities are formed in the positions, located above the reinforcing groove plate, of the two sides of the panel mounting groove; through the unique design of the connecting seat of the arc-shaped vertical frame section bar, the connection distance between the whole aluminum alloy door leaf and the hinge, the door frame or the wall surface is shortened and firmer, the stability of the connection between the aluminum alloy door leaf and the hinge is greatly improved, and the whole door leaf is more stable and durable.