108results about How to "Good shading effect" patented technology

The medical electric control piston type medicine injection pump comprises a fixed box and an adjusting box, the adjusting box is installed on one side of the fixed box, a moving groove is formed in the top face of the adjusting box, a connecting rod is slidably connected to the interior of the moving groove, and the upper end of the connecting rod extends to the position above the moving groove and is connected with a clamping and pushing mechanism. When the device is used, a needle cylinder is flatly placed in the mounting groove, cylinder wings of the needle cylinder are embedded into the fixing groove, a push plate of an injector is clamped through the two clamping plates, during clamping, the clamping plates are opened towards the two sides and are loosened after being placed on the two sides of the push plate, and fixing can be completed, and operation is easy; a shading plate is contained in the fixing box, the shading plate can be driven by a motor to be unfolded, the unfolded shading plate covers the outer side of a needle cylinder, a good shading effect is achieved on liquid medicine needing to be shaded, meanwhile, a certain heating effect can be achieved on an injector through an electric heating wire installed on the inner wall of the shading plate, discomfort caused by use in winter is reduced, and the safety of a patient is improved. And the functionality of the whole injection pump is improved.

The invention relates to a high-cleanness polyester master batch, which is characterized in that silicon dioxide is used as an anti-blocking agent, and the high-cleanness polyester master batch is prepared by grinding, premixing and stirring silicon dioxide and BOPET (Biaxially Oriented Polyester Terephthalate), melting and extruding by mixing and granulating equipment, and granulating. According to the invention, the SiO2 component is added in the BOPET production formula, the mechanical property and temperature resistance of the product can be improved by adding SiO2, and the effect is more obvious compared with that of the nano-scale BOPET; pure PET is difficult to crystallize at a relatively high cooling speed, that is, the crystallization speed of the film can be improved by adding a proper amount of SiO2 master batch in the production of the polyester film, so that the mechanical property and the temperature resistance of the film are further improved; in addition, the titanium dioxide is added, so that the shading effect is improved.

The invention discloses a high-performance photochromic composite fabric and a preparation process thereof, and relates to the technical field of photochromic composite fabrics, the high-performance photochromic composite fabric is composed of a longitudinal fiber layer, a waterproof layer, combed cotton, cool fibers and a photochromic fiber layer; the longitudinal fiber layer is formed by interweaving chinlon and spandex, a waterproof layer is sprayed on the top of the longitudinal fiber layer, a photochromic fiber layer is connected to the top of the waterproof layer in a hot-pressing mode, combed cotton is connected to the bottom of the longitudinal fiber layer in a knitted mode, and cool fibers are connected to the bottom of the combed cotton in a knitted mode; and the surface of the photochromic fiber layer is coated with an ultraviolet light absorber. According to the photochromic composite fabric, the ultraviolet light absorber is sprayed on the surface of the photochromic composite fabric to fill gaps among the photochromic fiber layers, so that the number of ultraviolet rays reaching the photochromic material is reduced in the subsequent use process, the damage degree of the photochromic material due to photodegradation is reduced, and the service life of the fabric is prolonged.

The utility model discloses a light-emitting car logo light shading structure and a light-emitting assembly part adopting the light-emitting car logo light shading structure. The light-emitting car logo light shading structure at least comprises a light shading plate and a double-color mask. The double-color mask comprises a central transparent sheet and a mask black sheet surrounding the central transparent sheet from the periphery; the shading plate is provided with a hollowed-out belt according to the shape needing to be marked, the shading plate covers the central transparent piece, the hollowed-out belt and the central transparent piece are in zero-interval contact in the horizontal direction to form a light-proof structure, and the central transparent piece forms a car logo light-emitting area through the hollowed-out belt. Light leakage is avoided, the uniform effect of completely avoiding light leakage is achieved, and the more uniform light emitting effect can be achieved when the lamp is lightened.

The utility model discloses an extensible automobile sun shield which comprises a sun shield body and a mirror assembly. The sun shield body is provided with a combined part mounting groove, the mirror combined part is clamped and fixed in the combined part mounting groove, a first rotating shaft mounting hole is formed in one side in the combined part mounting groove, a second rotating shaft mounting hole is formed in the other side in the combined part mounting groove, a first rotating shaft is assembled in the first rotating shaft mounting hole, and a second rotating shaft is assembled in the second rotating shaft mounting hole. A first rotating shaft is assembled in the first rotating shaft mounting hole, a second rotating shaft is assembled in the second rotating shaft mounting hole, the axis of the first rotating shaft coincides with the axis of the second rotating shaft, the sun shield body is rotationally connected with a mirror cover through the first rotating shaft and the second rotating shaft, and a reinforcing sun shield is hinged to one side of the mirror cover through a first elastic element. A second elastic element is arranged in the second rotating shaft mounting hole, and the mirror cover is rotatably connected with the sun shield body in a resettable mode through the second elastic element. The utility model solves the technical problems that the sun-shading effect is poor in the technical field of automotive trim parts, so that traffic accidents are easily caused, and the like.

The invention relates to the field of optical equipment, in particular to a simple and efficient optical path switching device for multichannel optical testing, which comprises interface boards, a shading baffle, a motor, a Y-shaped optical fiber and an emergent optical fiber interface, and is characterized in that the interface boards are provided with a first incident optical fiber interface and a second incident optical fiber interface, and are positioned on two sides of the shading baffle; the light shielding baffle is used for shielding the first incident optical fiber interface and the second incident optical fiber interface, one end of the Y-shaped optical fiber is connected into the emergent optical fiber interface, and the device supports various light shielding baffle structures and movement modes, such as a fan-shaped structure matched with a rotating motor and a circular or square structure matched with a linear guide rail and a lead screw motor. According to the design, the device can be flexibly adjusted according to different application scenes and actual requirements, the adaptability and universality of the device are enhanced, the device can manage a plurality of incident optical fiber interfaces at the same time by adding an additional shading baffle, and efficient multi-channel optical testing is achieved.

The utility model discloses a hollow shutter with a built-in sunshade structure, which comprises a window frame, fixing plates are arranged on two sides in the window frame, a plurality of blades are rotatably connected between the two groups of fixing plates through rotating shafts, a sliding plate is slidably sleeved on the surface of a guide rod, a sunshade component is arranged in the window frame, and when the sunshade effect is adjusted under the condition that the blades are closed, the sunshade structure can be adjusted. The motor can be started to work, an output shaft of the motor rotates forwards to drive the winding drum in the storage box to rotate, so that the rotating winding drum starts to wind the sunshade cloth, one end of the unwound sunshade cloth slides on the surface of the sliding rod under the gravity action of the balancing weight, and the sliding balancing weight drives the sunshade cloth to move from the top of the window frame to the bottom of the window frame; the sunshade cloth is arranged on the back of the window frame, so that the back of the window frame is covered, sunlight penetrating through gaps of the louver is effectively blocked under the action of the sunshade cloth, the sunshade effect of the louver is enhanced, and the sunlight penetrating through the gaps of the louver is prevented from irradiating into a room.

The present invention relates to the field of processing tool tables, and discloses a female needle automatic assembly machine, which installs female needles into plastic shells, comprising: a frame, the frame comprising an operating table and a protective cover, the protective cover is arranged on the operating table, and an operating space is formed between the protective cover and the operating table; the protective cover comprises an openable and closable safety door, the safety door comprises a door panel, a safety sensor and a door lock all arranged on the door panel, the door lock has a locking force to keep the safety door in a closed state, when the door panel is opened with an external force exceeding the locking force, the safety sensor detects that the position of the door panel has changed, and then controls the female needle automatic assembly machine to stop working; a manipulator located in the operating space, the manipulator is located on the operating table.

The utility model discloses an endoscope head end which comprises a lamp bead and a lamp wire assembly, the lamp wire assembly comprises two single-core enameled wires, the first ends of the single-core enameled wires are connected with the lamp bead, and the second ends of the single-core enameled wires are used for being connected with a power source. According to the endoscope head end provided by the utility model, the single-core enameled wire is adopted to replace a multi-strand stranded electronic wire in the prior art, the single-core enameled wire is larger than the multi-strand stranded wire, the conductor is larger than the overall cross sectional area of the cable, and the cable is easier to shape during welding.

The utility model relates to an ink box, the ink box is used for being detachably connected with a mounting part of a printer, the ink box comprises an ink storage part, the ink storage part comprises an ink bag, and the ink bag is used for storing ink. The ink bag comprises a composite film and is provided with an ink storage cavity, and the ink storage cavity is defined by the composite film. The composite film comprises a base layer and an adsorption layer, the base layer is closer to the ink storage cavity than the adsorption layer, and the adsorption layer is located on the side, away from the ink storage cavity, of the base layer and used for adsorbing ink. When the base layer has cracks and ink leaks from the ink storage cavity to the side, away from the ink storage cavity, of the base layer through the cracks, the adsorption layer arranged on the side, away from the ink storage cavity, of the base layer can rapidly adsorb the leaked ink so as to limit the diffusion degree of the leaked ink. The color of the adsorption layer is different from that of the ink, so that leaked ink can be found in time.

The present invention addresses the problem of providing an environmentally friendly photosensitive resin composition, a light-shielding film, and a display device, which have both high light-shielding properties and reduced reflectance on both the glass substrate surface side and the film surface side, and which can satisfy the requirements of PFAS specifications and the like by using an extremely small amount of fluorine. The photosensitive resin composition of the present invention contains components (A) to (F), and satisfies the following (i) and (ii) at the same time. (i) When a hardened film of the composition is formed on a glass substrate with an average film thickness in the range of 0.5 to 4.0 [mu] m and the surface of the film is measured by XPS, the ratio of the peak area ASiO2 of SiO2 to the peak area ASiO (ASiO2 / ASiO) in a peak fitting analysis of the Si2p3 / 2 peak value (ASiO2 / ASiO) is 0.10 to 10.0. (ii) The ratio [F / (Si + C + O + F)] of the amount of elemental F present in the film surface to the total amount of Si, C, O, and elemental F is 5.0% or less.

The utility model relates to the technical field of greening maintenance equipment, in particular to a landscaping sapling sun-shading device which comprises four corner connecting rods which are arranged at the four corners of the sun-shading device respectively. A plurality of edge connecting rods are arranged between any two adjacent corner connecting rods, the number of the edge connecting rods on the front face and the back face of the device is equal, and the number of the edge connecting rods on the left side and the right side of the device is equal. Two connecting assemblies are fixedly arranged at the bottoms of the surfaces of the edge connecting rods and the bottoms of the surfaces of the corner connecting rods correspondingly, and inclined sunshade nets are arranged at the tops of the edge connecting rods and the tops of the corner connecting rods correspondingly. According to the landscaping sapling sun-shading device, the sun-shading area is effectively increased, the sun-shading effect is improved, the length of a shear fork frame can be changed, the size of a frame reinforcing structure of the device can be flexibly changed in cooperation with a T-shaped groove plate and a T-shaped plate, reinforcing parts of corresponding sizes do not need to be customized according to different frame sizes, disassembly and assembly are rapid and convenient, and the practicability is high. And the sun-shading position is more convenient to change subsequently.

The utility model discloses an adjustable unit type transverse floating plate structure, and relates to the technical field of transverse floating plates, the transverse floating plate structure comprises a mounting frame and a movable floating plate, the movable floating plate is movably clamped outside the mounting frame, the rear end of the movable floating plate is open, the mounting frame is mounted on the outer side surface of a wall body, and the movable floating plate is mounted on the outer side surface of the wall body. A window is mounted in the wall body, and the mounting frame is located above the window; the first electric push rod is mounted in the mounting frame, a first through groove is formed in the surface of the front end of the mounting frame and communicates with the interior of the mounting frame, the electric push rod is arranged in the mounting frame, and a telescopic rod at the front end of the electric push rod penetrates through the mounting frame to be connected with the movable floating plate; therefore, the movable floating plate can be driven by the electric push rod to stretch and retract, the stretching and retracting position of the movable floating plate can be adjusted according to actual needs, and the multifunctional requirement is met.

The utility model relates to parking shed support structure technical field discloses a kind of angle-adjustable parking shed support beam fixing frame, including shed roof, support, angle adjusting and locking assembly.Support assembly contains support frame and symmetrically arranged fixed column, fixed column opens multiple sets of positioning hole and is hinged with support frame;Angle adjusting assembly has recess, support diagonal, sliding sleeve and connecting rod, and two groups of sliding sleeves are connected by connecting rod;Locking assembly includes positioning rod, pull button and return spring, and positioning rod penetrates sliding sleeve and fixed column positioning hole.The fixing frame is slid along the fixed column by sliding sleeve, drives support diagonal to adjust the inclination angle of support frame, adapts different sunshine and functional requirement;Positioning rod cooperates with return spring to lock angle quickly, connecting rod ensures synchronous adjustment on both sides, and gives consideration to adjustment flexibility and support stability, adapts various parking shed use scene.

The utility model provides a cap-connected neck protection pillow which comprises a neck pillow body and a cap body, and the cap body is connected with the neck pillow body. Wherein the cap body is provided with an eyeshade corresponding to the eyes of a user, the two ends of the eyeshade are connected with the cap body, and the lower edge of the eyeshade is provided with a structure conforming to the outline of the nose of the user. According to the neck protection pillow connected with the cap, the cap body can cover the head, the back face of the neck and the side face of the neck of a user, the neck can be prevented from being sunburnt by dazzling sunlight, the eyeshade can better conform to the face of the user, the eyes can be effectively shielded, the eyes are prevented from being stimulated by the sunlight, and through cooperation of the neck pillow, the cap body and the eyeshade, the user can feel more comfortable. When a user wears the hat, sun shading and sun blocking can be effectively achieved, the better shading effect is provided, the comfort requirement of the user in the journey is met, and the sleep quality is improved.

The present invention relates to a transmittance-variable optical laminate, a method for manufacturing same, a smart window comprising same, and a vehicle and building window or door employing same, the optical laminate comprising: a first polarizing plate including a first polarizer and a polarization rotation layer; a first transparent conductive layer formed on one surface of the first polarizing plate; a second polarizing plate including a second polarizer and a retardation layer, and facing the first polarizing plate; a second transparent conductive layer formed on one surface of the second polarizing plate, and facing the first transparent conductive layer; and a liquid crystal layer provided between the first transparent conductive layer and the second transparent conductive layer, wherein at least one of the first transparent conductive layer and the second transparent conductive layer is formed to come into direct contact with any one of the first polarizing plate and the second polarizing plate, the polarization rotation layer has reverse wavelength or flat wavelength dispersion characteristics, and the retardation layer includes a negative C plate.

The utility model provides a portable moisture-proof carton which comprises a bottom plate, end plates arranged at the two ends of the bottom plate, surrounding plates arranged on the two sides of the end plates and side plates arranged on the two sides of the bottom plate, the side plates cover the surrounding plates, at least two inserting holes are formed in the surrounding plates, inserting heads corresponding to the inserting holes are arranged on the side plates, and the inserting heads are inserted into the inserting holes in a matched mode. The bottom plate, the end plate, the surrounding plate and the side plate are inserted into the insertion holes in the surrounding plate in a matched mode so that the side plate can be tightly attached to the surrounding plate, bonding aluminum foil is arranged on the inner wall surfaces of the bottom plate, the end plate, the surrounding plate and the side plate, and a thin film is attached to the outer wall surfaces of the bottom plate, the end plate, the surrounding plate and the side plate through a film covering technology. Compared with bonding, the waterproof carton has good assembling performance, the thin film on the outer wall of the carton board has waterproof performance, the situation that the carton is deformed and softened due to the fact that the carton is stained with water can be avoided, the overall stability is greatly improved, the bonding aluminum foil on the inner wall of the carton board has moisture resistance and light shielding performance, and products loaded in the carton can be better protected.

The utility model relates to the technical field of socketed sunglasses, and specifically discloses socketed sunglasses, which comprise a mirror frame and a lens installed on the mirror frame, the mirror frame comprises an upper frame strip corresponding to the upper side of the lens, the inner side of the upper frame strip is provided with a leaning support, the leaning support is used for leaning on the upper side of the mirror frame of optical glasses, the height difference between the top surface of the upper frame strip and the bottom surface of the leaning support is not less than 1mm, so that the upper frame strip of the socketed sunglasses can be higher than the eyebrow of the human body to shield the eyebrow when being worn and used, that is, the top side edge of the mirror frame will shield the eyebrow of the user, thereby achieving better sun-shading effect and being more fashionable and beautiful.

The utility model discloses a portable multifunctional sunscreen clothes structure which comprises a sunscreen clothes body, a sunshade assembly used for shielding the sun of the face and a girdling assembly capable of enabling the sunscreen clothes body to be more close-fitting are arranged on the sunscreen clothes body, and a storage assembly used for storing articles is arranged above the back of the sunscreen clothes body. The sunshade assembly is detachably connected with the sunscreen clothes body, and the brim is detachably connected with the sunshade plate, so that a user can determine whether to use the sunshade assembly or the sunshade plate or not according to the use requirements of the user, the helmet can be worn after the whole sunshade assembly is detached, and the sunshade assembly is prevented from affecting wearing of the helmet; when the outside air environment is under the condition of no wind or small wind power, the sun shield can be detached, and only the hat brim is used; when the wind power in the external air environment is large, the sun shield can be assembled with the brim for use, the situation that the brim deforms due to the action of the wind, turns over and even shields the sight of a user is avoided, the sun-shading effect is improved, and the use experience of the user is improved.

The invention relates to the technical field of disinfection of incubators, and discloses an automatic disinfection device for a ginger detoxification breeding incubator, which comprises an incubator, a plurality of culture mediums for planting ginger are placed in the incubator, a plurality of groups of ultraviolet laser lamps for disinfection are arranged in the incubator, and a blocking plate is arranged on one side of the incubator. A transparent observation plate is fixedly installed in the middle of the plugging plate, a shielding assembly is arranged on one side of the transparent observation plate and used for shielding the transparent observation plate when the incubator is disinfected, and a sweeping assembly for cleaning the transparent observation plate is arranged on one side of the shielding assembly. When the incubator is disinfected, the shielding cloth can be gradually unfolded, the surface of the transparent observation plate is shielded when the shielding cloth is unfolded to the transparent observation plate, and the situation that an operator can observe the internal situation of the incubator in the disinfection process, and potential hazards are brought to eyes and skin of the human body is avoided.

The utility model is suitable for the field of electronic films, and provides a shading film with a good shading effect, which comprises a base layer, a first shading unit and a second shading unit, the first shading unit comprises a first black ink layer arranged on the outer surface of the base layer; the reflective layer is arranged on the outer side of the first black ink layer; the second black ink layer is arranged on the outer side of the reflective layer; the antistatic coating is arranged on the outer side of the second black ink layer; the third black ink layer is arranged on the outer side of the antistatic coating; the protective coating is arranged on the outer side of the third black ink layer; the base layer is connected with the first black ink layer, the reflective layer, the second black ink layer, the antistatic coating, the third black ink layer and the protective coating through glue; the shading film adopts a multi-layer structural design, realizes efficient shading, enhances weather resistance, stability and service life, keeps efficient shading by introducing the flexible layer, has excellent flexibility and crease resistance, can easily adapt to different curved surfaces and shapes, and widens the application range.

The utility model relates to the technical field of medical equipment, and discloses an infusion support which comprises a vertical rod, a side groove and a light shield, the side groove is formed in the side edge surface of the vertical rod, a transverse base is fixed to the bottom of the vertical rod, a vertically-distributed electric heating plate is fixed to the inner surface of the side groove, and an arc groove is vertically formed in the surface of the electric heating plate. A rotatable side cover is installed at the front end of the side groove through a hinge, a supporting plate is fixed to the outer ring of the vertical rod above the side groove in a surrounding mode, a plurality of hooks are evenly fixed to the outer ring of the top of the vertical rod, and the outer diameter of the light shield is smaller than the diameter of the supporting plate. According to the technical scheme, the side groove is formed in the side surface of the vertical rod, the electric heating plate is arranged on the inner surface of the vertical rod, an infusion apparatus can make contact with the electric heating plate after passing through the side groove, a larger contact area is achieved, liquid medicine can be conveniently heated in winter, the infusion comfort is improved, a brown infusion apparatus can penetrate through the side groove, and the shading effect is improved; the brown infusion bottle is shielded by the light shield, so that the light shielding effect is improved, and the liquid medicine irradiation reaction is avoided.

The invention provides a packaging device for an ultraviolet light absorber finished product, and relates to the field of ultraviolet light absorbers. The packaging device for the ultraviolet light absorber finished product comprises a bottom shell and further comprises a rotary packaging assembly, a material containing assembly and a rotary discharging assembly, the rotary packaging assembly is installed on the bottom shell, and the material containing assembly is installed on the rotary packaging assembly. According to the packaging device for the ultraviolet light absorber finished product, long-time storage can be achieved through the arrangement of the containing assembly, the whole device can be freely transferred, the effect of smooth discharging can be achieved when a powdery ultraviolet light absorber is discharged through the arrangement of the rotary discharging assembly, and the packaging efficiency is improved through the arrangement of the rotary packaging assembly. A good shading effect can be achieved, the problem of failure of part of powder is avoided, the problem of illumination failure is avoided by arranging an end cover discharging device and a cover sealing device, and after cover sealing is completed, a material taking barrel rotates to an outlet, and a shading pad can be jacked open along with stretching of a telescopic pipe for taking out.

The invention discloses a fenerenone oral sustained-release dry suspension, which comprises particles, and a coating layer and a suspending aid layer which are sequentially coated on the surfaces of the particles, the granules are prepared from the following raw materials in parts by weight: 18 to 22 parts of fenerenone, 90 to 110 parts of microcrystalline cellulose, 76 to 80 parts of lactose monohydrate, 50 to 54 parts of hydroxypropyl methylcellulose, 8 to 10 parts of croscarmellose sodium and 0.8 to 1.2 parts of lauryl sodium sulfate. The invention also discloses a preparation method of the oral slow-release dry suspension of the fenerenone. According to the invention, auxiliary materials are matched with one another, so that the oral slow-release finerenone dry suspension has good slow-release performance and stability.

The utility model relates to the technical field of bee breeding equipment, and discloses a sunshade and rainproof device for a beehive, which comprises a first support and a second support, the first support is movably connected with the second support through two folding components, connecting rods are symmetrically and fixedly connected to the top surfaces of the first support and the second support, and the connecting rods are connected with the first support and the second support. The top end of each connecting rod is rotationally connected with a first sliding block, and the top ends of the four first sliding blocks are jointly and slidably connected with a ceiling assembly. By means of the folding assembly, the lifting plate drives the driving rod to ascend to open the ceiling assembly, meanwhile, positioning is completed through the clamping blocks and the limiting holes, extra pressing and covering operation is not needed, by means of the ceiling assembly, the folded covering cloth is unfolded and inclined by a certain angle, and the good sunshade effect is achieved; in addition, rainwater can be drained in time when it rains.

The utility model discloses a composite type curtain relates to the technical field of curtain. The composite type curtain, including the curtain body, the curtain body is composed of the decorative layer, shading layer and antibacterial layer, the decorative layer, shading layer and antibacterial layer are connected as an organic whole through ultrasonic compound technology, the upper end fixedly connected with the upper lining of the curtain body, the lower end fixedly connected with the lower lining of the curtain body, the both sides fixedly connected with the magnet positioning block of the curtain body, and the sliding ring is inlayed on the curtain body. The shading layer is composed of high density shading base cloth, nano shading coating and micro air bag heat insulation layer, and the inside fixedly connected with silica gel strip of the upper lining. The composite type curtain, the function is comprehensive, and the decoration, shading, heat insulation, antibacterial, antifouling and a variety of functions are integrated, can satisfy the diversified demand of user, need not to adopt multilayer curtain combination, reduces the installation cost and space occupation, and it is more convenient to use.

The utility model relates to the technical field of casement windows, and provides an aluminum alloy ventilation and sunshade integrated casement window which comprises an outer frame and a sunshade structure, the sunshade structure is arranged at the top end of the outer frame, and the sunshade structure comprises a protective shell, a motor shell, a driving motor, a first rotating shaft, sunshade cloth, a balance weight rod and a cleaning assembly. The protective shell is fixed to the top end of the outer frame, a motor shell is fixed to one side of the protective shell, a driving motor is arranged in the motor shell, a first rotating shaft is arranged on one side in the protective shell, and sunshade cloth is arranged on the outer side of the first rotating shaft. The cleaning assembly is arranged, the first rotating shaft rotates to drive the driving wheel to rotate, and the driven wheel is driven to rotate under the action of the transmission belt, so that the second rotating shaft drives the rotating brush to rotate, and when the sunshade cloth is pulled out or folded from the first rotating shaft, the surface of the sunshade cloth is cleaned by the rotating brush; dust is prevented from being accumulated on the sunshade cloth, so that the dustproof effect is achieved.

The invention relates to a PE black and white shading film and a preparation method thereof, the PE black and white shading film comprises a black film and a white film, the black film comprises the following raw materials by weight: 80-100 parts of low density polyethylene, 1-1.5 parts of a cross-linking agent, 0.5-1.0 part of a lubricant, 0.1-0.5 part of an antioxidant, and 15-35 parts of carbon black; the white film is prepared from the following raw materials in parts by weight: 80 to 100 parts of low-density polyethylene, 1 to 1.5 parts of a cross-linking agent, 0.5 to 1.0 part of a lubricating agent, 0.1 to 0.5 part of an antioxidant and 5 to 20 parts of white filler, and the white filler comprises 4 to 20 parts of white flaky mica powder; the melt index of the low-density polyethylene in the black film is 0.7-0.9 g / 10min, and the melt index of the low-density polyethylene in the white film is 0.38-0.42 g / 10min. The PE black and white shading film prepared by the invention is high in shading rate and high in tearing strength.

The utility model discloses a light sunshade rain shelter, relate to building sunshade rain facility technical field, aim at solving the sunshade rain demand of toll station etc. scene. Include: concrete foundation, its inside pre -buried foundation bolt, stand column subassembly, through the column foot and the detachable connection of concrete foundation's foundation bolt, crossbeam subassembly, horizontal connection between adjacent stand column subassembly, shading screen, lay on crossbeam subassembly and stand column subassembly, form the grid structure by the metal wire interlaced weaving, the utility model discloses can effectively block rainwater and sunlight, still can cover bionic green layer as needed and promote the aesthetic degree, overall structure is light, and the installation is convenient, is applicable to toll station etc. place.