32results about How to "Avoid light leakage" patented technology

The utility model discloses a kind of combination lens disc and stage lamp for multi-light source LED stage lamp, including lens fixed cover, lens assembly and lens mounting disc, the lens assembly is between lens fixed cover and lens mounting disc, the lens fixed cover is connected with the lens mounting disc;The lens assembly includes a center lens and the multiple peripheral lenses around the center lens periphery side, the size and shape of the peripheral lens are same;The inside of lens fixed cover and lens mounting disc is equipped with several partitions and mutually corresponding, several partitions are mutually connected and form hollow honeycomb structure;The one side of lens mounting disc towards lens fixed cover is equipped with several bosses, the peripheral lens is composed of multiple lenses, hollow lens break is equipped between the lens and lens, the position and size of the lens break are adapted to the boss, the peripheral lens is connected by the cooperation of lens break and the boss of lens mounting disc.

The utility model discloses a display panel and display device, display panel includes substrate, color filter layer, transparent optical adhesive layer, pixel definition layer and cathode layer, pixel definition layer is located the one side of transparent optical adhesive layer away from substrate, wherein, transparent optical adhesive layer sets up first recess, pixel definition layer includes first definition branch, and cathode includes first cathode branch, along first direction, first recess, first definition branch and first cathode branch three project interlaced, and all with the non opening area projection interlaced of pixel definition layer, part first definition branch is located in first recess, forms first recess, part first cathode branch is located in first recess and forms reflecting electrode. Through setting up first recess in transparent optical adhesive layer, make corresponding first definition branch form first recess, and then make the first cathode branch of being located in first recess form reflecting electrode, utilize reflecting electrode and solve the light leakage problem between adjacent subpixels, improve display effect.

A waterproof panel lamp high in cost performance comprises a disc provided with a light source cavity and a waterproof connector arranged on one side of the disc, a light-transmitting panel is installed at an opening of the light source cavity through an aluminum frame, the edge of the light-transmitting panel is wrapped with a U-shaped sealing strip, the aluminum frame is of a square frame structure on the whole, and a step face is arranged at the connecting position of the aluminum frame and the disc. An opening in the lower portion of the disc is provided with an outer edge attached to the step face and fixedly connected through a screw, the edge of the step face is provided with a sinking groove, the screw is in threaded connection with the sinking groove, the edge of the lower portion of the aluminum frame horizontally extends to form an inner edge, the U-shaped sealing strip is arranged on the inner edge, and the connecting position of the outer edge and the disc is bent downwards to form a pressing edge. The pressing edge is pressed on the upper part of the U-shaped sealing strip; according to the panel lamp structure, the U-shaped sealing strip wraps the edge of the light-transmitting panel, the light-transmitting panel is installed at the opening of the disc through the aluminum frame, the aluminum frame and the disc are fixed through the screws, the pressing edge is arranged at the edge of the disc and connected to the U-shaped sealing strip in a pressed mode, and the whole connecting structure is simple, low in manufacturing cost and good in waterproof effect.

This disclosure provides a display panel and a display device. The display panel includes: a first substrate, comprising a first substrate, thin-film transistors, an organic planarization layer, a first metal layer, and a first transparent electrode layer. The first metal layer includes a first metal trace, a second metal trace, and a first metal connector. The first metal trace extends along a first direction, the second metal trace is disposed along a second direction, and a predetermined gap exists between the second metal trace and the first metal trace. The first metal connector is located within the predetermined gap, and both the second metal trace and the first metal trace are connected to the first metal connector. The orthographic projection of the first metal layer on the first substrate lies within the orthographic projection of the first transparent electrode layer on the first substrate. The second substrate includes a second substrate and a support pillar disposed on the second substrate. The orthographic projection of the support pillar on the first substrate lies within the orthographic projection of the first metal connector on the first substrate. The solution of this disclosure can avoid uneven display caused by touch.

The invention relates to the technical field of medical education equipment, and discloses a spinal cord injury teaching model with sensory-motion plane visualization and voice guidance functions. Comprising a human body model body, a plurality of red light emitting diodes, a plurality of blue light emitting diodes, a plurality of micro steering engines, a key input module, a main controller, a voice synthesis module and a rechargeable power supply, when a spinal nerve segment, a body side and a muscle strength level are selected through the key input module, the main controller controls all red light-emitting diodes or blue light-emitting diodes, located on the spinal nerve segment and above the spinal nerve segment, in the selected body side to be turned on. And the control module is used for controlling the voice synthesis module to play voice contents corresponding to the selected spinal nerve segment, the selected body side and the selected muscle strength level, and driving the micro steering engine corresponding to the key movement muscle in the selected body side to rotate to a preset angle corresponding to the selected muscle strength level. The control module is used for controlling the voice synthesis module to play the voice contents corresponding to the selected spinal nerve segment, the body side and the muscle strength level.

The utility model discloses a kind of display equipment, comprising: display panel, including the sub-pixel of array arrangement;Cover plate, located at the light exit side of display panel;Light-absorbing layer, between display panel and cover plate, light-absorbing layer includes multiple first openings corresponding to sub-pixel one by one, the orthographic projection of first opening on display panel covers the light emitting area of corresponding sub-pixel.Such, by setting light-absorbing layer between display panel and cover plate, eliminate the non-light emitting area between the light emitting area of sub-pixel and the light waveguide effect between cover plate, so as to emit when the light emitting area of sub-pixel, eliminate the light ray in non-light emitting area by light waveguide effect emission, further avoid the light leakage at non-light emitting area around light emitting area, avoid the generation of halo around sub-pixel, improve the luminous purity of display equipment, multiple first openings corresponding to sub-pixel one by one on light-absorbing layer then provide the passage for the emission of light emitting area light ray, realize the normal display of display equipment.

The present application relates to the technical field of visual acquisition, in particular to a kind of visual acquisition device of targeting system, including support seat, the lower end outside of support seat is rotatably connected with multiple support legs, and is positioned by bolt, and the upper end of support seat is provided with ranging radar, and ranging radar cylindrical outer wall is provided with ranging window for measuring the distance between target surface, the upper end of ranging radar is connected with camera recorder, and camera recorder is located ranging window one end inside of ranging radar and is provided with acquisition lens, the outside of camera recorder is provided with multiple different magnification magnifying lens at acquisition lens one end, and multiple magnifying lens is provided with conversion disc between, the present application integrates ranging radar and the camera recorder of switchable magnifying lens, camera recorder can be measured with the distance between target surface in real time according to ranging radar, different magnification magnifying lens is manually switched by conversion disc, so that the visual capture of different distance targeting target surface is accurately, in real time, ensure the accuracy of acquisition process.

The utility model relates to a backlight module and a display terminal. The backlight module comprises a backlight main body and an opening adhesive; the opening glue is adhered to the edge of the backlight main body, the opening glue comprises a plurality of adhering sections, the ends, close to each other, of every two adjacent adhering sections are overlapped to form an overlapping part, at least one of the adhering sections and the backlight main body is provided with a thinned opening in the area corresponding to the overlapping part, and the area of the thinned opening is larger than or equal to that of the overlapping part. According to the backlight module, the ends, close to each other, of the two adjacent bonding sections are overlapped to form the overlapping part, so that light leakage between the two adjacent bonding sections is avoided; the thinning opening is formed in the area, corresponding to the overlapping part, of at least one of the bonding section and the backlight body, and the area of the thinning opening is larger than that of the overlapping part, so that the total thickness of the backlight module in the area corresponding to the overlapping part is reduced, and the upper surface of the opening glue is as flat as possible.

The application discloses a light guide assembly and an electronic device. The light guide assembly is used for the electronic device, and comprises a first light guide section, a second light guide section and a third light guide section. The first light guide section, the second light guide section and the third light guide section are sequentially connected. The first light guide section has an incident light side, and the third light guide section has an outgoing light side. In the thickness direction of the light guide assembly, the third light guide section has a height difference with the first light guide section. A reflective film is arranged on the opposite sides of the second light guide section in the thickness direction of the second light guide section. Or the reflective film covers at least the connection between the second light guide section and the first light guide section and the connection between the second light guide section and the third light guide section.

The utility model relates to the field of building sunshade especially relates to a kind of intelligent control double-track telescopic folding sunshade, including crossbeam, connecting steel beam and stringer, the crossbeam and stringer are separately provided with two groups, crossbeam and stringer head-to-tail connection form square frame structure, the both ends of connecting steel beam are connected with the crossbeam of parallel arrangement respectively, the side of the corresponding parallel arrangement crossbeam is respectively provided with fender assembly, drive assembly and mounting bracket, track is installed on mounting bracket, the partition strip vertically arranged in track interior divides track interior into left and right chamber, the strengthening strip of right chamber side array setting in track interior right chamber divides right chamber into upper, middle and lower chamber, mobile assembly is provided in middle chamber, and the mobile assembly of front and rear corresponding setting is installed with cloth support assembly and support assembly on, the utility model is high in intelligent control precision, can satisfy the demand of automatic regulation, and good stability is unfolded, not easy to produce wrinkle, and structural adaptability is strong and high in durability.

The application provides a display module and a display device, relates to the technical field of display, and aims to improve the problem that a polaroid cracks in a reliability temperature impact experiment. The display module comprises a display area and a light-transmitting area in the display area. The display module further comprises a display panel, a first polaroid, a black tape, a backlight source and a light-shielding adhesive layer. The display panel comprises opposite display and non-display surfaces, the first polaroid is arranged on the non-display surface, the first polaroid comprises a first via hole in the light-transmitting area, the black tape is arranged on the non-display surface, the orthographic projection of the black tape on the display panel is annular and located in the range of the orthographic projection of the first via hole on the display panel, the backlight source is arranged on the side of the first polaroid away from the display panel, the backlight source comprises a second via hole in the light-transmitting area, and the light-shielding adhesive layer is at least partially arranged on the sidewall of the second via hole and connected with the black tape.

The application provides a light display structure, a power supply assembly and an atomization device. The light display structure comprises a light emitting assembly, a light blocking piece, a key and a mounting seat. The light emitting assembly comprises a circuit board and at least two light emitting pieces arranged on the circuit board. The light blocking piece is arranged on one side of the circuit board, and the light blocking piece and the circuit board define a first chamber and a second chamber. The key has a first light emitting part for exposing a surface. The mounting seat is arranged on the side of the light blocking piece away from the circuit board, and the mounting seat has a second light emitting part for exposing a surface. The key is movably arranged on the mounting seat, and at least one of the key and the mounting seat is connected with the light blocking piece. At least one light emitting piece is arranged in the first chamber and the second chamber. The first light emitting part is arranged opposite to the first chamber and transmits light in the first chamber. The second light emitting part is arranged opposite to the second chamber and transmits light in the second chamber. The light of the light display structure is easy to identify and convenient to assemble.

A display module capable of preventing light leakage can prevent light leakage while suppressing deformation of the structure. The display module includes an iron bracket having a hollowed-out hole, a light guide plate, a light bar disposed on the side of the light guide plate, and a reinforcing structure disposed in the hollowed-out hole of the iron bracket. The light bar includes a flexible printed circuit board and a plurality of light emitting diodes. The reinforcing structure includes a reinforcing material and an adhesive layer. The reinforcing material is attached to the hollowed-out hole to suppress deformation of the flexible printed circuit board or the light guide plate. The hardness of the reinforcing material is greater than the hardness of polyethylene terephthalate (PET), and the reinforcing material is made of polyimide (PI) or metal, which can suppress deformation of the flexible printed circuit board or the light guide plate. The reinforcing structure is configured such that the reinforcing material covers the entire hollowed-out hole, and the adhesive layer completely covers the corresponding attachment position of the light bar, which can further prevent light leakage.

The utility model discloses a laser light curtain transmitting device for vehicle flow blocking, including installation post, installation mechanism and laser transmitter, the installation mechanism includes the first diamond plate of setting in the inside of installation post, is equipped with the screw rod on the four corners of first diamond plate respectively, is equipped with nut group on the screw rod, is equipped with the second diamond plate between nut group, the outside of second diamond plate is equipped with the installation board that is L type, the laser transmitter sets up in the side portion of installation board, be equipped with first light hole on first diamond plate, is equipped with first lens in first light hole, be equipped with the second light hole of coaxial arrangement with first light hole on second diamond plate, is equipped with second lens in second light hole, be equipped with a plurality of first light transmission hole corresponding with first light hole on the lateral wall of installation post. The utility model can be according to actual highway working condition, the flexible adjustment laser beam diameter, promotes laser visibility, ensures that the driver can clearly identify.

The invention provides a micro light-emitting structure, a micro light-emitting device and a preparation method of the micro light-emitting structure. The miniature light-emitting structure comprises a light-emitting array, the light-emitting array comprises a plurality of light-emitting units arranged side by side, each light-emitting unit is of a tabletop structure, the tabletop structure comprises a first tabletop and a second tabletop opposite to the first tabletop, and the area of the first tabletop is larger than that of the second tabletop; each light-emitting unit comprises a first semiconductor layer, a light-emitting layer and a second semiconductor layer which are stacked, the surface, deviating from the light-emitting layer, of the first semiconductor layer is a first table top, and the surface, deviating from the light-emitting layer, of the second semiconductor layer is a second table top; and the metal conductive isolation layer fills the first opening, and the first opening is arranged between the two adjacent first table surfaces.

The utility model provides a four-in-one screen frame assembly used for a projection ray machine, comprising a first heat insulation glass, a heat insulation support, an LCD screen, a screen frame buckle, a screen frame, a second heat insulation glass and a Fresnel lens, the first heat insulation glass is arranged in a mounting groove at the lower end of the heat insulation support, the LCD screen is arranged in a mounting groove at the upper end of the heat insulation support, and the second heat insulation glass is arranged in a mounting groove at the lower end of the heat insulation support. The second heat insulation glass is arranged in the screen frame, the Fresnel lens is arranged in an installation groove in the upper end of the screen frame, the lower end face of the screen frame abuts against the upper end face of the heat insulation support, the area of an opening in the lower end of the screen frame is smaller than the area of the LCD screen, and the upper end and the lower end of the screen frame buckle are correspondingly buckled to the upper side of the second heat insulation glass and the lower side of the first heat insulation glass. A plurality of Fresnel lens buckles are arranged on the edge of the upper end face of the screen frame, and the first heat insulation glass, the heat insulation support, the LCD screen, the screen frame buckles, the screen frame, the second heat insulation glass and the Fresnel lens are assembled into a module, so that the installation precision of the whole module is improved, the possible light leakage phenomenon is effectively avoided, and the heat dissipation effect is improved.

The utility model discloses a vehicle logo assembly, a vehicle logo and a vehicle lamp. The vehicle logo assembly comprises a light transmitting part and a light shading part; the light-transmitting piece is configured to conduct light, a wedge-shaped groove is formed in the light-emitting side of the light-transmitting piece, the wedge-shaped groove is provided with a matching face around the circumferential side of the X-axis direction, and the main light-emitting direction of the light-transmitting piece is parallel to the X-axis direction; the periphery of the shading piece around the X-axis direction is provided with a pressing connection face, and the shading piece is embedded in the wedge-shaped groove so that the pressing connection face can be connected to the matching face in a pressing mode. The wedge-shaped groove is formed in the light-emitting side of the light-transmitting part, the opening of the wedge-shaped groove faces the light-emitting side of the light-transmitting part, the wedge-shaped groove is expanded outwards, when the shading part needs to be embedded into the wedge-shaped groove, the shading part can enter the wedge-shaped groove conveniently, and the assembling efficiency is improved. And meanwhile, the crimping surface is crimped on the matching surface, so that the shading piece can completely shield the groove bottom of the wedge-shaped groove, a gap can be prevented from being formed between the shading piece and the groove wall (the light transmitting piece) of the wedge-shaped groove, and light leakage caused by the fact that light is emitted from the gap is avoided.

The utility model discloses a beauty instrument of key structure improvement, including beauty instrument main part and key module, the inside of beauty instrument main part is equipped with inner casing, and the front side of inner casing is equipped with key installation site, and key module is installed in key installation site, key module includes the key circuit board of being connected in the inside of key installation site from inside to outside setting in proper order, the luminous part of being located on key circuit board and being connected with key circuit board electricity, the receiving member of being installed in the outside of key installation site and the key body of being connected with receiving member, and be equipped with a plurality of key positions on key circuit board, receiving member includes the soft glue part of being connected with key position and the light guide portion of covering luminous part, and the light guide portion between key body and receiving member is equipped with dark color shading part and light color shading part from inside to outside setting in proper order and laminating, the utility model discloses can adapt to light color beauty instrument shell, and the dark color shading part of inner layer ensures the light emitting presentation effect, and the light color shading part of outer layer avoids color penetration to beauty instrument shell.

This utility model relates to the field of furniture lighting technology, and in particular to a light-emitting structure with a concealed light effect. This application provides a light-emitting structure with a concealed light effect, the technical solution of which is as follows: a ring frame, the middle of which encloses a cavity and has an opening on at least one side; the ring frame has a slot on the inner wall of the cavity opening; a ring-shaped light-shielding sheet has an insert plate on its edge, the insert plate being inserted into the slot to achieve initial positioning of the ring-shaped light-shielding sheet within the cavity, and the ring-shaped light-shielding sheet being fixedly connected to the ring frame after positioning; a panel, fixedly installed on the outer side of the ring-shaped light-shielding sheet; a flexible light strip, disposed on the inner wall of the cavity; wherein the light emitted by the flexible light strip passes sequentially through the central light-transmitting area of ​​the ring-shaped light-shielding sheet and the panel, and is projected outward to form a light effect. This solution has the advantages of improving installation accuracy, avoiding light leakage, and improving structural reliability.

This utility model relates to the field of automotive component testing technology, and more specifically, to an auxiliary light-shielding device for automotive headlight testing. The device includes a light-shielding assembly with a front light-shielding surface and a side light-shielding surface. The front and side light-shielding surfaces together form an accommodating space that allows partial entry into the vehicle. This utility model overcomes the shortcomings of existing technologies that use cardboard for light shielding, which result in side light leakage and inaccurate headlight testing results. The light-shielding assembly of this utility model has a front and side light-shielding surface. The front light-shielding surface blocks light from the front of the vehicle body, and the side light-shielding surface blocks light from the sides of the vehicle body, preventing light leakage from the sides and thus reducing the impact of stray light on the testing results, improving the accuracy of the testing results.

The utility model relates to the technical field of eye protection lighting lamps, and discloses a multifunctional large street lamp which comprises a base, a supporting rod and a lamp holder. The lamp holder comprises a shell, a main light source assembly is arranged at the bottom of the shell, and the light emitting side of the main light source assembly faces downwards. At least one side of the shell is provided with a side light source assembly, the side light source assembly comprises a plurality of side light source pieces, the side light source pieces are all in signal connection with the controller, and the controller can control the side light source pieces to emit light in a rhythm mode. The side light source assembly has the beneficial effects that the side light source assembly utilizes the advantage that the position of a lamp cap of a large street lamp is high, so that illumination of lamplight emitted by the side light source assembly in a rhythm mode is evenly distributed in a room, the room is full of dynamic feeling, relaxing after the large street lamp is used for working or studying is facilitated, and particularly a better effect is achieved in cooperation with music; and in addition, the use scenes of the large street lamp are enriched, and the practicability and adaptability of the large street lamp are higher.

The utility model discloses a detection device and wearable equipment relates to intelligent wearable equipment technical field. The detection device includes lens subassembly and detection component, and the lens subassembly includes lens body and sets up in the first shading ring of first shading ring in lens body, first shading ring will lens body divide into first light path channel and second light path channel, first light path channel is located in first shading ring, and second light path channel is located outside first shading ring, detection component includes light source and light receiving element, and light source and light receiving element are located in the same side of lens body, and light source is located in the range of first light path channel, and light receiving element is located in the range of second light path channel. The detection device can prevent the inside of lens body from leaking and light, and improve the accuracy of detection.

The utility model discloses a leaf clamp device for chlorophyll fluorescence detection, which comprises a leaf chamber, a cavity is arranged in the leaf chamber in a penetrating manner along the vertical direction, and a shading plate capable of transversely moving is mounted at the top of the cavity; a probe is clamped to the top of the leaf chamber, clamping strips are arranged on the left side and the right side of the bottom of the probe respectively, clamping grooves matched with the clamping strips are formed in the top of the leaf chamber, and the probe is located above a leaf chamber cavity; a clamping plate is hinged to the bottom of the blade chamber, a spring is installed between one end of the clamping plate and the blade chamber, a pressing plate is hinged to the other end of the clamping plate, and the pressing plate tightly presses the blade to the opening end of the bottom of the blade chamber. The leaf clamp device for chlorophyll fluorescence detection provided by the utility model can be adapted to leaves with different thicknesses, so that the leaves are uniformly stressed, and the problem of light leakage in the clamping process is avoided; the shading process is simple and easy to operate and high in reliability.

The utility model relates to a kind of light-emitting assembly and backlight module, the light-emitting assembly includes: lamp panel, it is equipped with light source and first connecting structure;Lens, to cover the light source;The lens includes light-entering side surface and light-exit side surface, the light-entering side surface is equipped with second connecting structure and multiple support blocks;All the support blocks are spaced apart distribution, to form heat dissipation channel on the light-entering side surface;Wherein, the support block is equipped with multiple microstructure, the support block is through the microstructure and the lamp panel abuts;The first connecting structure is connected with the second connecting structure, to install the lens on the lamp panel.The utility model's light-emitting assembly, the structure of lens and lamp panel is optimized, can accelerate heat dissipation, can improve the stability of lens and lamp panel both connection, improve the light efficiency of lens.

The utility model relates to the technical field of car lamp design, in particular to a car lamp structure with an interactive function. Comprising an optical module and an outer lampshade, the optical module comprises a circuit board and a plurality of LED light sources, the LED light sources are located between the circuit board and the outer lampshade and evenly distributed on the circuit board, the optical module is connected with a double-color inner lampshade through a plurality of light blocking supports, and the double-color inner lampshade comprises an inner lampshade light-transmitting part and an inner lampshade light-proof part which are regularly arranged. One end of the light blocking support is connected to the circuit board and located between the adjacent LED light sources, and the other end of the light blocking support is connected with the light-proof part of the corresponding inner lampshade. The side, away from the LED light source, of the double-color inner lampshade is connected with the outer lampshade. Light emitted by the LED light source can sequentially pass through the gap between the light blocking supports, the light transmitting part of the inner lampshade and the outer lampshade. The double-color inner lampshade and the light blocking support are used for blocking light, so that the phenomena of light channeling of adjacent point pixels, unclear pattern boundaries and the like are avoided, and the optical uniformity is improved.

The utility model discloses a light-emitting control device and an optical fiber laser. The device comprises a power supply control module, a driving enabling module, a light emitting driving module and a driving control module, the external power supply module is electrically connected with the input end of the light-emitting module through the power supply control module; the output end of the light-emitting module is electrically connected with the output end of the light-emitting driving module; the power supply control module outputs a power signal according to a power mode signal output by the external power module; the driving enabling module is electrically connected with the input end of the light-emitting driving module; the driving enabling module outputs a driving enabling signal to the light emitting driving module according to the control instruction; the driving control module is electrically connected with the input end of the light-emitting driving module; the driving control module outputs a driving voltage signal to the light-emitting driving module; the light-emitting driving module outputs a light-emitting control signal to the light-emitting module according to the driving enable signal and the driving voltage signal.

The utility model provides a reflecting cover and a lighting system, the reflecting cover can be matched with a lamp for use, and the reflecting cover comprises a shell, a chuck and a plurality of reflecting sheets. Wherein the two ends of the shell are open and hollow, and the openings in the two ends of the shell are a light inlet and a light outlet respectively; the chuck is annular and is connected to the end part, close to the light inlet, of the shell; the multiple reflectors are spliced in the circumferential direction of the shell to jointly define a reflection cavity. The end, close to the light inlet, of the reflector is provided with a turnup, and the turnup is arranged on the side, away from the shell, of the chuck, so that a gap between the reflector and the chuck can be covered with the reflector, light emitted by the lamp is prevented from leaking out of the gap between the light-emitting piece and the chuck, the light leakage phenomenon is prevented, and the light utilization rate is increased.

This utility model belongs to the field of residential sun shading, and specifically relates to an adjustable sun shading structure for residential windows. The technology includes two vertically arranged guide rods, symmetrically distributed at left and right intervals. Support plates are vertically fixed to the top of the two guide rods. A rotating shaft is horizontally installed between the two support plates, and a curtain is fixed to the rotating shaft. A driving device is provided on one of the support plates. Several guide blocks are evenly fixed to the left and right edges of the curtain. Vertically connected guide grooves are formed on the inner sidewalls of the two guide rods. Positioning components are provided on the two support plates. The driving device drives the curtain to unfold and fall, and the guide blocks on both edges of the curtain slide smoothly along the guide grooves. The guide grooves guide and limit the guide blocks to restrain the left and right edges of the curtain, preventing the curtain from swaying and flapping when blown by the wind or pushed by external forces, thus preventing injury to people during the curtain's movement. When the rotating shaft rolls up the curtain, the guide blocks slide smoothly upward along the guide grooves, and the positioning components guide and position the guide blocks simultaneously.