41results about How to "Good appearance" patented technology

The invention discloses degummed tuna oil and a preparation method thereof.The preparation method of the degummed tuna oil comprises the steps that after Jinjiang crude fish oil is heated to a first preset temperature, a mixed adsorbent is added, stirring and degumming are conducted at the first preset temperature, centrifugation is conducted, and a degummed first solution is obtained, the mixed adsorbent comprises attapulgite and activated clay, the mass ratio of the attapulgite to the activated clay is 1: (3-7), the first preset temperature is 75-78 DEG C, and the mass ratio of the mixed adsorbent to the golden gun crude fish oil is (5-10): 100; heating a first solution obtained by degumming to a second preset temperature, adding a citric acid solution into the system solution, performing ultrasonic treatment, stirring at 60-65 DEG C, cooling and centrifuging to obtain the system solution; and heating the system liquid to a third preset temperature, adjusting the pH value to 5.8-6.2, adding a compound enzyme for degumming, taking an upper-layer oil sample after complete reaction, carrying out microwave treatment, removing water in the oil sample, and carrying out enzyme deactivation to obtain the degummed tuna oil.

The invention relates to a composite material for a deck and a preparation method thereof, belongs to the technical field of composite materials, and solves the problems that the composite material for the deck in the prior art is easy to break in the installation process due to poor toughness and insufficient impact resistance, and is easy to whiten and yellow due to insufficient weather resistance. The invention provides a composite material for a deck. The composite material comprises polypropylene A, chopped glass fibers, a flexibilizer, rare earth stearate, a compatilizer, an antioxidant and a composite light stabilizer, wherein the composite light stabilizer is a master batch prepared by mixing and compounding a low-molecular-weight benzotriazole light stabilizer and a high-molecular-weight hindered amine light stabilizer and then banburying with polypropylene B. The composite material is high in strength and toughness matching degree, and is not easy to break during installation; and the environment tolerance is good, the weather resistance can reach 4-5 levels, the appearance of the floating fiber reaches a superior level, and the floating fiber can be widely applied to decks of various aircrafts and other structures or appearance parts.

The invention relates to the technical field of glass fiber reinforced plastic container processing, and particularly discloses a movable multi-axis linkage large-diameter glass fiber reinforced plastic container production unit and a winding method.The movable multi-axis linkage large-diameter glass fiber reinforced plastic container production unit comprises a moving unit and supports distributed at equal intervals in the circumferential direction, a rotating shell is installed on the moving unit through a motor, and a lifting platform is installed on the supports through lifting modules; the lifting platform is fixedly connected with a fixed frame, the fixed frame is provided with a sliding groove, sliding frames which are uniformly distributed are arranged in the sliding groove of the fixed frame, the sliding frames are provided with a supporting frame, the supporting frame is rotationally provided with symmetrical first rotating rollers, the supporting frame is provided with a limiting mechanism, and the fixed frame is provided with a smearing mechanism. According to the large-diameter glass fiber reinforced plastic container winding device, a finished product can be conveniently demolded outside a plant through splitting of the rotating shell and the support, then the large-diameter glass fiber reinforced plastic container is continuously wound in a partitioned mode through the multiple first sliding frames, and the machining efficiency and the overall strength of the product are improved.

The invention discloses a crystal-point-free low-gloss matt coating base film which is sequentially composed of an upper surface layer, a core layer and a lower surface layer, the upper surface layer is a matt layer, and the lower surface layer is an anti-sticking layer; the upper surface layer is prepared from the following raw materials in parts by mass: 1 to 3 parts of modified inorganic matting powder, 0.1 to 0.3 part of antioxidant, 52.2 to 53.5 parts of polypropylene and 44.5 to 45.4 parts of high-density polyethylene. The invention also discloses a preparation method of the crystal-point-free low-gloss matt coating base film. The matt coating base film has the characteristics of low gloss and high haze, is excellent in matt effect, good in mechanical property, free of large-particle crystal point impurities on the surface of the film, and excellent in appearance quality.

The invention relates to the technical field of resin material modification, and particularly provides a polycarbonate material and a preparation method thereof, an air deflector and an air conditioner, and the polycarbonate material is prepared from the following raw materials in parts by weight: 80-91 parts of polycarbonate resin; 6-10 parts by weight of a toughening agent, wherein the toughening agent comprises a siloxane acrylate copolymer and an ethylene-methyl acrylate copolymer; 1-3 parts by weight of a phosphate softener; and 0.5-1 part by weight of a flow modifier. The polycarbonate material provided by the invention has good high and low temperature resistance, the prepared air deflector is not easy to deform under high and low temperature conditions, and the material also has excellent chemical resistance, has small chromatic aberration in an aging or high-temperature environment, and can be used for large-scale production of air deflectors.

The invention discloses a manufacturing method of an LNG storage tank, the manufacturing method is used for manufacturing the LNG storage tank, the manufactured LNG storage tank comprises an inner lining layer and a shell layer, the outer side of the inner lining layer is coaxially sleeved with the shell layer, horn-shaped first through openings are formed in the axis positions of the two ends of the inner lining layer, and straight-barrel-shaped second through openings are formed in the axis positions of the two ends of the shell layer. According to the detachable and maintainable LNG storage tank, the shell layer and the lining layer which are separated are arranged and assembled with the mounting end and the reinforcing layer to form the detachable and maintainable LNG storage tank, and the problem that a gap exists between the lining and the shell layer, so that a combined structure is not firm is solved; the machining precision is improved in cooperation with welding equipment, the effect of facilitating assembly and later maintenance is achieved, the maintenance cost is greatly reduced, a protection structure is formed by a protection rod, an installation nut, a short shaft ring buckle and a cable piece, the structural connection strength of the shell layer is enhanced, the protection effect is provided, and the safety is greatly improved.

The present disclosure provides a side opening device for a vehicle, the side opening device being disposed on a functional component within the vehicle and comprising: a base adapted to be attached to the functional component; a cover attached to the base; the locking assembly is attached to the cover body and can be switched between a first position and a second position, in the first position, the locking assembly and the base are in a locking state, in the second position, the locking assembly and the base are in an unlocking state, and in response to the unlocking state of the locking assembly, the cover body pivots relative to the base and is in an opening state, the locking assembly is configured to move from the first position through a preset additional stroke to the second position. According to the side opening device, by providing the additional stroke for the locking assembly to move between the first position and the second position, scraping between the locking assembly and the base can be prevented in the opening and closing process of the cover body, the acting force for opening and closing the cover body is reduced, good appearance quality is provided, meanwhile, stability in the using process is guaranteed, and the service life of the side opening device is prolonged. And the use comfort is improved.

The utility model relates to a novel gooseneck type hidden electronic rearview mirror structure which comprises an outer rearview mirror which at least comprises a base and a camera assembly. The camera assembly is mounted at the end part of the first end of the base and is used for collecting images; a cavity is formed in the vehicle body metal plate and used for containing the outside rear-view mirror; an opening of the cavity is formed in the outer surface of the automobile body metal plate, and a mirror surface on the outside rear-view mirror is matched with the opening; the outside rear-view mirror can move between a hidden position and an unfolded position, and at the hidden position, the mirror surface is hidden in the opening; at the unfolding position, the mirror surface is positioned outside the opening; the driving mechanism drives the base to move, so that the camera assembly extends out of the cavity or is hidden in the cavity; a cavity is formed in the base, a gooseneck bent arm is arranged at the second end of the base, and the driving mechanism is connected with the gooseneck bent arm and drives the gooseneck bent arm to rotate, so that the outside rear-view mirror is rotated out of the cavity; and when the outside rear-view mirror extends out, the mirror surface integrally moves out of the cavity under the action of the gooseneck bent arm and has an arc-shaped moving track.

The utility model provides a segmented cutting forming tool of tricholoma matsutake. The segmented cutting forming tool of tricholoma matsutake includes: the workbench that sets up the inclined groove, the fixed plate is fixedly installed in the inclined groove, the cutting frame is hinged on the fixed plate, and the bottom rotation of cutting frame is installed with the winding shaft, the protective cover is fixedly installed on the cutting frame and is connected with the winding shaft rotation, the torsional spring is fixedly installed in the protective cover and is connected with the winding shaft, the cutting line one end is coiled on the winding shaft, the movable plate is slidably installed on the cutting frame, and the movable plate is fixedly connected with the other end of cutting line. The segmented cutting forming tool of tricholoma matsutake has the advantages that the efficiency of segmented cutting of tricholoma matsutake can be improved, and the production needs are met.

The invention relates to a separation net and a preparation method thereof, the separation net is formed by blending the following components: 70-90% by mass of polypropylene, more than 0% and less than 10% by mass of polyethylene, 5-15% by mass of a toughening component, 0.2-2% by mass of an antibacterial agent, 0.2-2% by mass of a hydrophilic agent, and the balance of a lubricant and an antioxidant, and the sum of the contents of the components is 100% by mass. The separation net disclosed by the invention not only has excellent comprehensive mechanical properties including toughness, strength and dimensional stability, but also has excellent antibacterial property, pollution resistance and hydrophilicity. The separation net can effectively avoid the phenomena of rough surface, sharp corners, non-uniform wire diameter, non-uniform thickness and the like, the appearance quality is better, the thickness is convenient to regulate and control, the membrane (reverse osmosis membrane) is not easy to damage, the treatment efficiency of the membrane element is effectively improved, and the service life of the membrane element is effectively prolonged.

The invention belongs to the field of processing of agricultural products, and particularly relates to a processing method of mulberry leaf white tea, aiming at the problems that the existing product is single in type, heavy in green smell, cool in nature and unfriendly to people with poor spleen and stomach, the invention provides the following scheme: the method comprises the following steps: S1, variety selection: selecting an excellent mulberry variety as a raw material for processing mulberry leaf tea; s2, mulberry leaf picking; s3, mulberry leaf cleaning and cutting: after fresh mulberry leaves are picked, firstly cleaning to remove dust attached to the surfaces, and then rinsing for 2-3 times; after cleaning, cutting into small blocks of 2cm * 4cm; s4, airing: the cleaned mulberry leaves are uniformly spread and then placed in a withering trough, the uniform spreading thickness is smaller than 1.5 cm, and cold air is firstly blown to remove water on the surfaces of the leaves, the mulberry leaf white tea product is developed by adopting an innovative process, the technical parameters such as mulberry variety selection, raw material picking and processing links in mulberry leaf tea processing are optimized, and the appearance and internal quality of the mulberry leaf tea product are improved.

The utility model discloses a stand column structure and a vehicle, the stand column structure comprises an outer plate, an inner plate and a light transmitting piece, the outer plate is connected to the outer side of the inner plate, the outer plate is provided with a first through hole, the inner plate is provided with a first channel, one end of the first channel faces the outer side and is arranged corresponding to the first through hole, and the other end of the first channel faces the inner side; the light-transmitting piece is installed on the outer plate and covers the first through hole. By means of the stand column structure, light in the external space can enter the cabin space of the vehicle, and the comfort of passengers is improved; passengers in the vehicle cabin space can also obtain the visual field outside the stand column structure, the passengers can conveniently obtain the visual field outside the stand column structure, visual field blind areas caused by stand column structures such as columns A and columns B are reduced to a certain degree, and the driving safety is improved; in addition, the light-transmitting piece is arranged on the outer plate of the stand column structure, so that the overall appearance quality of the vehicle is improved, and more vehicle appearance choices are provided.

This invention discloses a hydrophilic organosilicon finishing agent and its preparation method, belonging to the field of textile auxiliaries technology. The finishing agent is prepared by compounding polyurethane-modified silicone oil and amide-modified polyether silicone oil at a mass ratio of 1:1~2, followed by emulsification with an emulsifier. The polyurethane-modified silicone oil is obtained by polymerizing a blocked polyurethane prepolymer with terminal epoxy polyether silicone oil and block silicone oil; the amide-modified polyether silicone oil is obtained by amidation reaction of terminal epoxy polyether silicone oil and polyether amine in the presence of organic acid. This invention, through the synergistic effect of the two-component compound, provides skeletal support and elastic recovery through polyurethane segments and a hydrophilic surface layer through amide groups, effectively solving the problem of balancing hand feel and hydrophilicity in nylon-spandex fabrics. The finished fabric hand feel rating can reach level 4 or higher, water droplet diffusion time can be as low as 0.9s, the emulsion has good stability, and it is not prone to oil drift, significantly superior to similar products on the market.

The invention belongs to the technical field of agricultural product preservation, and particularly relates to a Xinjiang flat peach storage and preservation method and application thereof.The method comprises the steps that 2, 4-epibrassinolide is used for spraying flat peaches seven days before harvesting, after the flat peaches are harvested, the flat peaches are soaked in a 2, 4-epibrassinolide solution, the flat peaches are put into a portable box after being aired, the portable box is pre-cooled, and then the flat peaches are stored in the box; and storing in a refrigeration house. And then putting a 1-methylcyclopropene (1-MCP) preservative into the refrigeration house, rapidly sealing and fumigating. The preservation method effectively delays the reduction of hardness and weight loss ratio of the flat peaches in the storage period, and improves the flavor and quality of the flat peaches.

The counterweight assembly comprises a fixing part and a counterweight part, the fixing part comprises a first part and a second part, the first part comprises a connecting hole channel, and glasses legs of the intelligent glasses can penetrate through the connecting hole channel so that the fixing part can be detachably connected with the glasses legs of the intelligent glasses. The second part is connected with the first part, the second part comprises a mounting cavity and an opening communicated with the mounting cavity, and the counterweight part is detachably mounted in the mounting cavity through the opening. According to the technical scheme, the counterweight assembly is installed on the glasses legs of the intelligent glasses, the wearing experience of a user is optimized by changing the front-back counterweight ratio of the glasses legs and the glasses frame of the intelligent glasses, and the wearing comfort of the intelligent glasses and the appearance attractiveness of the intelligent glasses can be improved.

The application relates to the technical field of medical textile materials, and discloses an antibacterial and breathable medical gauze sheet, which comprises a base material and an antibacterial functional layer loaded on the base material, and the functional layer is formed by chemical reaction of carboxymethyl chitosan, tannic acid, boric acid, citric acid and zinc ions. Through boric acid complexation and citric acid competitive coordination, a double interpenetrating network structure of covalent bonds and coordination bonds is formed inside and outside the gauze fibers. The structure effectively inhibits the oxidative browning of tannic acid and eliminates the difference in the skin-core distribution of the functional components. The obtained gauze sheet is not only high in whiteness and good in breathability, but also has excellent washing fastness and long-acting and broad-spectrum antibacterial performance.

The invention discloses an organic light-emitting diode display and a circular polarization composite film wet process preparation method thereof, the organic light-emitting diode display comprises a circular polarization composite film, and the preparation method of the circular polarization composite film comprises the following steps: 1, uniformly coating a bearing layer with an optical alignment solution to form an optical alignment layer; step 2, uniformly coating a liquid crystal solution on the optical alignment layer; step 3, bonding a reflective linear polarizer on the phase difference layer and pressing the reflective linear polarizer on the phase difference layer; 4, preparing a low-refractive-index coating, coating one side of the phase difference film with the low-refractive-index coating, and performing drying and curing to form a low-refractive-index coating; step 5, adhering the absorption type linear polarizer to one side of the reflection type linear polarizer; and 6, bonding one side, far away from the reflection type linear polarizer, of the absorption type linear polarizer with the lens glass. The phase difference layer made of the liquid crystal material is used for replacing a traditional phase difference film prepared by stretching a polymer film material, and the low-folding coating is arranged on one side of the phase difference film, so that the problems of ghosting and interference color lines are effectively relieved or eliminated.

A front hinge position is formed on a pile head, the glasses leg is divided into a glasses leg main body and a rear hinge position, a slot is formed at the front end of the glasses leg main body, an opening of the slot is forward, an insertion rod is formed at the rear end of the rear hinge position, the insertion rod is completely inserted into the slot from front to back, and the inner end of the insertion rod is pivoted in the slot. Rotating clamping teeth which are matched with each other are formed between the surface of the inserting rod and the inner wall of the inserting groove, the rotating clamping teeth are used for realizing angle adjustment and positioning of vertical rotation of the glasses legs, the rear hinge positions are just exposed out of the inserting groove, and the rear hinge positions and the front hinge positions are pivoted together, so that the glasses legs are hinged and mounted on the pile heads in an unfolding or folding manner. The utility model also discloses a pair of glasses using the structure. According to the structure, the angles of the glasses legs can be adjusted according to personal facial features to be suitable for the best comfortable state of a user, processing production and assembling operation are facilitated, and the glasses are more attractive.

The utility model relates to the technical field of glass fiber reinforced polyamide composite material processing, and discloses a glass fiber part surface treatment device which comprises a main body, the top of the main body is fixedly connected with a moving assembly, the bottom of the moving assembly is fixedly connected with a grinding motor, and the grinding motor is fixedly connected with a grinding wheel. A rotating rod is fixedly connected to the output end of the grinding motor, a grinding head is fixedly connected to the end, away from the grinding motor, of the rotating rod, a smoothing structure is arranged on the top of the main body, and a cleaning structure is arranged on the top of the main body. According to the surface treatment device for the glass fiber parts, the smoothing mechanism is arranged, the surface of a glass fiber product can be smoothed through the smoothing mechanism, meanwhile, rapid movement of the grinding head is matched, burrs on the surface of the glass fiber product are cleaned through the fan along with movement of the grinding head, and the quality and the appearance attractiveness of the glass fiber product are improved.

The utility model relates to a wide cowhells and round cowhells one-piece dress with two ends wrapped with cloth, which comprises a dress body, sleeves arranged on two sides of the upper portion of the dress body, a plurality of buttons arranged on one side of the front portion of the dress body along the height direction, a plurality of through holes matched with the buttons arranged on the other side of the front portion of the dress body along the height direction, and wrapping cloth arranged on the waist portion of the dress body. A beef tendon is arranged in the wrapping cloth, and transition parts are reserved between the two ends of the beef tendon in the length direction and the two ends of the wrapping cloth in the length direction. The wrapping cloth is arranged on the outer side of the cowhells, and the transition parts are arranged at the two ends of the wrapping cloth, so that a traditional curing direct splicing mode is broken through, the splicing positions of the cowhells are lighter, thinner and smoother, the attractiveness of the appearance is improved, meanwhile, the firmness of the cowhells is kept, and the overall quality feeling of the skirt body is improved.

The utility model discloses a connector (100) for a multi-strand wire harness. The connector (100) comprises a first semi-enclosed shell (1101) and a second semi-enclosed shell (1102), wherein the first semi-enclosed shell (1101) and the second semi-enclosed shell (1102) are detachably connected with each other to form a pipe section (110). The two ends of the pipe section (110) in the length direction (X) are open, the pipe section (110) is provided with an inner cavity allowing the multiple strands of wire harnesses to extend and penetrate through, the outer side wall of the pipe section (110) is provided with a plurality of outlet pipes (120) which are arranged at intervals and all communicated with the pipe section (110), and the size of each outlet pipe (120) is determined to contain a corresponding wire harness branch in the multiple strands of wire harnesses; and a gasket (126) for limiting the corresponding wire harness in the corresponding wire harness branch is formed in each outlet pipe (120).

The utility model relates to the technical field of air conditioning, in particular to a base for a vertical air conditioner indoor unit, the vertical air conditioner indoor unit and an air conditioner. The base for the indoor unit of the vertical air conditioner comprises a base main body which is provided with a bearing part, and the bearing part is used for supporting a machine shell of the indoor unit of the vertical air conditioner; and each supporting leg is formed by extending downwards from the side, away from the bearing part, of the base body, and the multiple supporting legs are arranged at intervals so as to support the base body. The side, deviating from the machine shell of the vertical air conditioner indoor unit, of the base body directly extends downwards to form the supporting feet, the supporting structure at the bottom of the base is simplified, the production cost of the base is reduced, meanwhile, the contact area between the base and the ground is reduced, the shaking problem caused by large-area contact between the base and the ground is avoided, and the service life of the base is prolonged. And the stability of the vertical air conditioner indoor unit is improved.

The utility model discloses a lateral shutter assembly with a linkage opening and closing mechanism, which comprises a shutter frame and a plurality of shutter plates positioned in the shutter frame, the plurality of shutter plates comprise shutter plate bodies and shutter end cover seats positioned at two ends of the shutter plate bodies, the shutter end cover seat at any end is matched with a linkage rack, and the linkage rack is matched with the linkage rack. The linkage rack is located in the shutter frame, the shutter end cover seat comprises an end cover body, a rotating shaft part and a rotating tooth part, the rotating tooth part is used for being matched with the linkage rack in a meshed mode, and the linkage rack is used for synchronously driving the corresponding rotating tooth part to rotate and achieving overturning of the plurality of shutter plates in a linkage mode. According to the utility model, the embedded linkage rack design is adopted, so that the linkage matching of the louver boards is facilitated, the convenience of the whole linkage is improved, and meanwhile, the appearance is good in aesthetic feeling.

A direct-current power supply system has many advantages, but due to a large number of power electronic equipment in a pulse power supply mode, the pulse working mode of the power electronic equipment enables input power of a power supply side to fluctuate between a no-load state and a full-load state, and the stability and the service life of the power supply system and the power electronic power supply system are seriously affected. The invention provides a two-stage module power supply with a power fluctuation stabilizing function in order to solve the power fluctuation suppression problem of a power supply system under the pulse load condition of an inverter welding machine, a phased array radar and the like in a direct-current power supply system (such as a direct-current micro-grid and a small direct-current power distribution network). An advanced power fluctuation suppression algorithm is adopted, the stability and the service life of a direct current power supply system and a power electronic power supply system under the pulse load condition are greatly improved, and meanwhile the requirement for an energy storage capacitor is lowered.

The stir-frying auxiliary device comprises a connecting rod and a dome which is arranged on the lower side of the connecting rod and is used for supporting rotation, an inner sleeve is arranged at the tail end of the upper side of the connecting rod, an inner sleeve cavity is formed in the inner side of the inner sleeve, a handle is arranged outside the upper side of the inner sleeve, and the outer side of the inner sleeve is provided with an outer sleeve cavity. An inner driving cavity is formed in the inner side of the grip, a spring is arranged in the middle of the inner side of the inner driving cavity and the inner side of the inner sleeve, a driving thread is arranged at the joint of the grip and the inner sleeve, and due to the unique structure and connection mode of the sweeping ring, the sweeping ring can conduct irregular sweeping action at the bottom of the wok. The complex motion trail can cover all areas at the bottom of the wok, and the situation that local heating of the tea leaves is not uniform is avoided. The tea leaves on the edge or the center of the frying pan can be fully stir-fried, it is guaranteed that the heating degree and the stir-frying degree of each piece of tea leaves are consistent in the processing process, and the stir-frying uniformity of the tea leaves is remarkably improved.

The utility model provides a grinding device which relates to the technical field of machining, the grinding device comprises a hoisting rod and a rotary working table, the hoisting rod is located above the rotary working table, the rotary working table is used for placing a concave surface pad to be ground, the concave surface pad is eccentrically arranged relative to the rotary working table, and the concave surface pad is arranged on the hoisting rod. The lower end of the hoisting rod is used for being in swing connection with a convex face pad to be ground, and the convex face part of the convex face pad makes contact with the concave face part of the concave face pad. The rotary workbench drives the concave surface pad to rotate, the concave surface pad drives the convex surface pad at the lower end of the hoisting rod to swing in the rotating process, the convex surface part of the convex surface pad and the concave surface part of the concave surface pad make contact with each other for grinding, the grinding efficiency is higher, the grinding quality is better guaranteed, and the appearance attractiveness of the ground convex-concave surface pad is better. Meanwhile, due to the fact that the concave surface pad is eccentrically arranged relative to the rotating workbench, the concave surface part of the concave surface pad can make contact with more convex surface parts in the rotating process, grinding of the larger convex surface pad can be achieved, and the overall applicability of the device is improved.

The invention relates to the technical field of outer packing carton gloss oil glazing, and discloses an outer packing carton gloss oil glazing process which comprises the following steps: removing dust, paper scraps and other impurities on the surface of an outer packing carton to be glazed through a high-voltage electrostatic dust collection device, controlling the electrostatic voltage to be 30-50kV, and ensuring that the surface of the carton is clean and free of foreign matters; through the synergistic effect of paper box pretreatment, precise coating and gradient curing, the problems of uneven coating thickness and multiple surface flaws of a traditional process are solved, the surface of the coating is flat and smooth, the glossiness can be regulated and controlled according to needs, the adhesive force, the wear resistance and the water resistance of the coating are remarkably improved, and the coating quality is improved. The appearance quality and the protection performance of the carton are greatly improved; and the automatic continuous production process is adopted, the gradient curing technology is combined, the gloss oil drying and curing time is greatly shortened, compared with a traditional technology, the production efficiency is improved by 30%-50%, and meanwhile the manual operation intensity is reduced.

The application discloses an assembled heat-insulation curtain wall window system with in-band casement hidden fan, which comprises a plurality of window sashes, the window sashes are spliced to form a rectangular window structure, side vertical window frames are arranged on both sides of the window structure, side horizontal window frames are arranged on the top and bottom of the window structure, and the side horizontal window frames are used for being connected and fixed with a main body structure of a curtain wall, wherein: a heat-insulation strip is arranged in a gap between two adjacent window sashes, and the gap is shielded by a pressing plate; the side vertical window frame is provided with a heat-insulation strip, and a gap between the side vertical window frame and an adjacent window sash is shielded by a pressing plate; the side horizontal window frame is provided with a heat-insulation strip, and a gap between the side horizontal window frame and an adjacent window sash is shielded by a pressing plate; and the window sash is an opening sash and a fixed sash. The profile has high uniformity, is easy to process and implement, is convenient to install and disassemble, has stable structure, good heat-insulation effect, good adjustability, less material consumption and good visual effect.