A high-shielding curtain sheet and a curtain

Abstract

This invention discloses a highly shielding curtain slat, comprising a support plate, a surrounding plate, and a shielding step and a light-blocking plate connected between the support plate and the surrounding plate. The support plate, the shielding step, the light-blocking plate, and the surrounding plate form a concave structure. The surrounding plate can abut against the shielding step of the adjacent curtain slat. The surrounding plate has an avoidance groove, through which the curtain's turning cord can pass. The support plate has a perforation, through which the curtain's lifting cord passes. The invention also includes a shielding mechanism, one end of which is movably connected to a swing cord and located in the avoidance groove. The shielding mechanism can swing around the swing cord and shield the avoidance groove. This invention also discloses a curtain, comprising the curtain slats described above. Using this invention, light can be effectively prevented from passing through from all directions, providing high concealment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shade, in particular to a curtain piece with high shielding property and a shade. BACKGROUND

[0002] The shade is usually used for shielding and light transmission of a room or for decoration of the room. The existing shade is usually composed of multiple curtain pieces arranged vertically and side by side, connected by a lifting rope for lifting and a turning rope for turning. When light transmission is needed, a light transmission space is formed between adjacent curtain pieces, and light can enter from the light transmission space. When light shielding is needed, the curtain pieces are pulled and turned by the turning rope, and at this time, the curtain pieces can block most of the light transmission space to form a shielding effect.

[0003] However, most of the existing shades adopt a straight piece shape. After the curtain piece is turned, the edges of the straight piece curtain piece cannot completely shield the light transmission space, so that part of the inclined light can still be transmitted from the upper and lower edges of the curtain piece, reducing the overall concealment. Although some shades adopt the method of expanding the width of the curtain piece to solve the above problem, the space occupied by the curtain piece in the width direction is large, and the overall thickness of the shade needs to be designed to be very thick. Moreover, after the curtain piece is turned, the curtain piece is blocked by the swing rope used to control the turning of the curtain piece, which increases the turning resistance and makes the turning difficult. At the same time, there is a certain light transmission gap between adjacent curtain pieces, which cannot form a completely shielding state. Some manufacturers use a way of opening a relief groove at the bottom of the curtain piece to reduce the light transmission gap. However, after the light transmission gap between adjacent curtain pieces is reduced, the relief groove itself will also produce a light transmission hole. If the area of the relief groove is designed to be the size of the swing rope, higher matching precision is required to eliminate the light transmission hole. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a curtain piece with high shielding property, which can effectively prevent light from being transmitted in all directions and has high concealment.

[0005] The technical problem to be solved by the present application is also to provide a shade, which can achieve complete light blocking and has high shielding property.

[0006] In order to solve the above technical problems, the present application provides a curtain piece with high shielding property, multiple curtain pieces are installed in a shade and arranged vertically and side by side, comprising a support plate, a surrounding plate and a shielding step and a light shielding plate connected between the support plate and the surrounding plate.

[0007] The shielding step is inclinedly connected to one side of the light shielding plate close to the support plate, the surrounding plate is inclinedly connected to the other side of the light shielding plate away from the support plate, the support plate, the shielding step, the light shielding plate and the surrounding plate form a concave structure, and the surrounding plate can abut against the shielding step of the adjacent curtain piece.

[0008] The enclosure is provided with a clearance groove, and the turning rope of the curtain can be threaded through the clearance groove. The turning rope is used to control the turning of the curtain slats. When the curtain slats turn, the swing rope connected between the turning ropes can be embedded in the clearance groove. The support plate is provided with a perforation, and the lifting rope of the curtain is threaded through the perforation. The lifting rope is used to control the raising and lowering of the curtain slats. When the curtain slats turn, the perforation can swing relative to the lifting rope.

[0009] As an improvement to the above solution, one side of the shielding step is inclinedly connected to the edge of the support plate, and the other side is inclinedly connected to the light-shielding plate. The shielding step and the support plate form an outwardly convex first shielding platform, and the shielding step and the light-shielding plate form an outwardly convex second shielding platform.

[0010] As an improvement to the above solution, the perforation is an oblong hole, the length direction of the perforation is perpendicular to the length direction of the support plate, the perforation is located on the side close to the shielding step, with the axis at 1 / 2 width of the support plate as the center line, and the ratio of the distance from the end of the perforation away from the shielding step to the center line to the distance from the end of the perforation close to the shielding step to the center line is (3-5):10.

[0011] As an improvement to the above solution, the angle between the plane of the enclosure and the plane of the light-shielding plate is an obtuse angle, the clearance groove is provided on the edge of the enclosure, and the width of the clearance groove gradually decreases from the edge of the enclosure towards the direction of the light-shielding plate.

[0012] As an improvement to the above solution, a blocking mechanism is also included, one end of which is movably connected to the swing rope and located in the clearance groove. The blocking mechanism can swing around the swing rope and block the clearance groove.

[0013] As an improvement to the above solution, the shielding mechanism includes a suspension ring and a shielding plate. The suspension ring is sleeved on the swing rope at one end near the side panel. The swing rope is provided with an anti-detachment point, which is located on the side of the suspension ring away from the side panel, so that the suspension ring can be oscillatingly fixed to the end of the swing rope near the side panel. The shielding plate is located at the lower part of the suspension ring. When the side panel abuts against the shielding step of the adjacent curtain slats, the shielding plate can cover the clearance groove. The angle between the plane of the suspension ring and the plane of the shielding plate is an obtuse angle, and the planar shape of the shielding plate is trapezoidal or triangular.

[0014] As an improvement to the above solution, the blocking mechanism includes a fixed ball and a suspended baffle. The upper side of the fixed ball is fixed to the upper part of the clearance groove. One end of the swing rope near the enclosure passes through the fixed ball. The suspended baffle is movably connected to the lower side of the fixed ball. When the enclosure abuts against the blocking step of the adjacent curtain slats, the suspended baffle can cover the clearance groove.

[0015] As an improvement to the above solution, the fixed ball includes an upper slot and a lower swing slot. The upper slot corresponds to the shape of the upper part of the clearance slot. The upper part of the clearance slot can be inserted into the upper slot to form a fixed connection. The lower swing slot is located below the upper slot. The straight line formed by the projection of the lower swing slot on the horizontal plane is perpendicular to the straight line formed by the projection of the enclosure on the horizontal plane.

[0016] The suspension baffle includes an insertion rod and a blocking plate. The straight line formed by the projection of the insertion rod onto the horizontal plane is perpendicular to the straight line formed by the projection of the lower swing groove onto the horizontal plane. The insertion rod can be inserted into the lower swing groove. The blocking plate is located on the lower side of the insertion rod and can swing around the insertion rod on the inner and outer sides of the clearance groove.

[0017] To solve the above-mentioned technical problems, the present invention also provides a blind, including a lifting rope, a flipping rope, and a curtain slat as described above. The lifting rope and the flipping rope are both vertically arranged. The lifting rope is threaded through the curtain slat. When the curtain slat flips, the perforation can swing laterally relative to the lifting rope. The flipping ropes are respectively arranged on opposite sides of the curtain slat. The flipping ropes on both sides can move relative to each other in the vertical direction to drive the curtain slat to flip. After multiple curtain slats flip, the upper curtain slat's panel can abut against the lower curtain slat's blocking step.

[0018] As an improvement to the above solution, the blind also includes a swing cord. One end of the swing cord is connected to the flip cord on one side of the curtain slat, and the other end of the swing cord passes through the blocking mechanism and is connected to the flip cord on the other side of the curtain slat. The blocking mechanism is located at one end of the swing cord near the clearance groove. There are multiple swing cords that can contact the bottom of the curtain slat. The swing cord can drive the curtain slat to flip. After the curtain slat flips, the blocking mechanism can swing with the swing cord and block the clearance groove.

[0019] Implementing this invention has the following beneficial effects:

[0020] The high-shielding curtain of this invention comprises a support plate, a surrounding plate, and a shielding step and a light-blocking plate connecting the support plate and the surrounding plate. The support plate, the shielding step, the light-blocking plate, and the surrounding plate form a concave structure. When shading is required, the curtain slat flips over, and the surrounding plate abuts against the plane of the shielding step of the adjacent curtain slat. At this time, the surrounding plate and the shielding step of the adjacent curtain slat form a side-blocking structure. Unlike existing traditional straight-panel curtains, the concave structure creates a convex structure after the curtain slat flips over. The invention blocks light entering from an oblique direction, and the concave structure prevents the curtain slats from becoming too wide. The panel has a clearance groove into which the curtain's turning cord can pass. Under the action of the clearance groove, when the curtain slats turn, the friction between the edge of the panel and the turning cord is reduced. Furthermore, the swing cords connecting the turning cords can be embedded in the clearance groove, thus preventing the swing cords from obstructing the edge of the panel, allowing the panel to fully abut against the blocking steps of the adjacent curtain slats. The panel and the light-blocking plate form the first layer of light-blocking structure, blocking light entering from horizontal or oblique directions. The support plate and the blocking steps constitute the second layer of light-blocking mechanism, blocking light passing through the clearance groove. Therefore, this invention effectively prevents light from passing through from all directions, providing high concealment. Attached Figure Description

[0021] Figure 1 This is a partial three-dimensional structural schematic diagram of the high-shielding curtain slat of the present invention;

[0022] Figure 2 This is a partial structural schematic diagram of the high-shield curtain slats of the present invention in a shielded state;

[0023] Figure 3 This is a partial structural diagram of the high-shielding curtain slats of the present invention in a light-transmitting state;

[0024] Figure 4 This is a partial three-dimensional structural schematic diagram of the first embodiment of the high-shielding curtain slat of the present invention;

[0025] Figure 5 This is a partial structural diagram of the first embodiment of the high-shield curtain of the present invention in a shielded state;

[0026] Figure 6 This is a partial structural diagram of the first embodiment of the high-shielding curtain of the present invention in a light-transmitting state;

[0027] Figure 7 This is a partial three-dimensional structural schematic diagram of the second embodiment of the high-shielding curtain slat of the present invention;

[0028] Figure 8 This is a partial structural diagram of the second embodiment of the high-shielding curtain slat of the present invention in a shielding state;

[0029] Figure 9 This is a partial structural diagram of the second embodiment of the high-shielding curtain of the present invention in a light-transmitting state;

[0030] Figure 10 This is a schematic diagram of the structure of the fixed ball and the suspension baffle of the present invention;

[0031] Figure 11 This is a schematic diagram of the structure of the curtain of the present invention. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings. It is hereby declared that the directional terms such as up, down, left, right, front, back, inside, and outside used in this text are based solely on the accompanying drawings and are not intended to specifically limit the invention.

[0033] See Figures 1-3This invention discloses a highly shielding curtain slat. Multiple curtain slats 10 are installed in a curtain and arranged side-by-side in a vertical direction. While traditional curtain slats employ a straight-sheet structure, in this invention, the curtain slat 10 is divided into multiple parts, including a support plate 1, a surrounding plate 2, and a shielding step 3 and a light-blocking plate 4 connecting the support plate 1 and the surrounding plate 2. The support plate 1 and the surrounding plate 2 are located on opposite sides of the curtain slat 10. When the curtain slat 10 is in a light-transmitting state, the support plate 1 and the surrounding plate 2 are located on the left and right sides of the curtain slat 10. When the curtain slat 10 is in a shielding state, the support plate 1 is located on the upper side of the curtain slat 10, the surrounding plate 2 is located on the lower side of the curtain slat 10, and the shielding step 3 and the light-blocking plate 4 are located between the support plate 1 and the surrounding plate 2. Specifically, the shielding step 3 is inclinedly connected to the side of the light-shielding plate 4 closest to the support plate 1, and the surrounding plate 2 is inclinedly connected to the side of the light-shielding plate 4 furthest from the support plate 1. Each pair of the support plate 1, the shielding step 3, the light-shielding plate 4, and the surrounding plate 2 is at a certain angle, and these components form a concave structure. The curtain slat 10 as a whole also forms a concave structure. Simultaneously, on the side opposite to the concave direction of the curtain slat 10, the outer sides of the support plate 1 and the shielding step 3 can form a convex structure. When applied to the curtain, multiple curtain slats 10 are arranged vertically on the curtain. When the curtain needs to be shielded, multiple curtain slats 10 flip simultaneously. At this time, the surrounding plate 2 of one curtain slat 10 can abut against the plane formed by the shielding step 3 of the adjacent curtain slat 10. Thus, the cooperation between the enclosure 2 and the shielding step 3 is simple and does not require high precision to achieve light blocking. When light enters from the side, the horizontal light will be blocked by the light shield 4, and the oblique light will be blocked by the enclosure 2. The light shield 4 and the enclosure 2 can form the first layer of shielding structure to block light.

[0034] Furthermore, to reduce the difficulty of flipping and improve the precision of the fit, the enclosure 2 is provided with a clearance groove 21. In the light-transmitting state, the curtain slat 10 is in a flat position. At this time, the curtain's flipping rope 20 can be threaded through the clearance groove 21. Therefore, the flipping rope 20 will not obstruct the flipping of the enclosure 2. The flipping rope 20 is used to control the flipping of the curtain slat 10. When light blocking is required, after the curtain slat 10 is flipped by the flipping rope 20, the flipping rope 20 can come out of the clearance groove 21, thereby avoiding the flipping rope 20 from blocking the edge of the enclosure 2. Meanwhile, the flip rope 20 swings freely relative to the clearance groove 21. In traditional curtains, the edge of the curtain 10 will generate excessive friction with the flip rope 20 during the swinging process, which affects both the swinging of the curtain 10 and the service life of the flip rope 20. In this invention, the flip rope 20 swings in the clearance groove 21, which reduces the direct contact between the flip rope 20 and the edge of the curtain 10, thereby reducing friction, facilitating the swinging of the curtain 10, and extending its service life.

[0035] In addition, the flip ropes 20 are located on both sides of the curtain slat 10. In order to facilitate the flipping of the curtain slat 10, a swing rope 30 is provided between the flip ropes 20 on both sides. The swing rope 30 can drive the curtain slat 10 to tilt and swing. When the curtain slat 10 flips, the swing rope 30 connected between the flip ropes 20 can be embedded in the clearance groove 21. Under the clearance action of the clearance groove 21, the swing rope 30 will not directly block the edge of the curtain slat 10, that is, the edge of the panel 2. Therefore, the panel 2 and the shielding step 3 can be completely abutted together to block the light entering from the side. Moreover, the clearance groove 21 can be easily inserted into the swing rope 30, with low fitting requirements and convenient for the curtain slat 10 to flip. Because of the clearance groove 21, light can still enter through the clearance groove 21. At this time, the outer sides of the adjacent support plate 1 and the shielding step 3 can form an outward convex structure. Under the shielding of the outward convex structure, the light that enters obliquely from the clearance groove 21 will be blocked by the outward convex structure. Therefore, the support plate 1 and the shielding step 3 constitute a second layer of shielding structure to block light.

[0036] In addition, the support plate 1 is provided with a through hole 11, and the lifting rope 40 of the curtain is passed through the through hole 11. The lifting rope 40 is used to control the lifting and lowering of the curtain slat 10. When the curtain slat 10 flips, the through hole 11 can swing relative to the lifting rope 40, and the friction between the lifting rope 40 and the curtain slat 10 is reduced, thereby further facilitating the swinging of the curtain slat 10.

[0037] The beneficial effects of the embodiments of the present invention are as follows:

[0038] In this embodiment of the invention, a high-shield curtain slat 10 is provided with a support plate 1, a surrounding plate 2, and a shielding step 3 and a light-blocking plate 4 connecting the support plate 1 and the surrounding plate 2. The support plate 1, the shielding step 3, the light-blocking plate 4, and the surrounding plate 2 form a concave structure. When shielding is required, the curtain slat 10 flips over, and the surrounding plate 2 abuts against the shielding step 3 of the adjacent curtain slat 10. At this time, the surrounding plate 2 and the shielding step 3 of the adjacent curtain slat 10 form a side-blocking structure. Unlike existing traditional straight-panel curtains, the concave structure can create a convex structure after the curtain slat 10 flips over, thus blocking light from the side. The light entering at an angle is blocked, and the width of the concave structure prevents the curtain slat 10 from being too wide. The enclosure 2 has a relief groove 21, through which the curtain's turning cord 20 can pass. Under the action of the relief groove 21, when the curtain slat 10 turns, the friction between the edge of the enclosure 2 and the turning cord 20 is reduced. Furthermore, the swing cord 30 connecting the turning cords 20 can be embedded in the relief groove 21, thus preventing the swing cord 30 from obstructing the edge of the enclosure 2, allowing the enclosure 2 to fully abut against the blocking step 3 of the adjacent curtain slat 10. The enclosure 2 and the light-blocking plate 4 form the first layer of light-blocking structure, capable of blocking light entering from a horizontal or oblique direction. The support plate 1 and the blocking step 3 constitute the second layer of light-blocking structure, capable of blocking light passing through the relief groove 21. Therefore, this invention effectively prevents oblique light from passing through and has high concealment.

[0039] Specifically, one side of the shielding step 3 is inclinedly connected to the edge of the support plate 1, and the other side is inclinedly connected to the light-shielding plate 4. The shielding step 3 and the support plate 1 form an outwardly convex first shielding platform 5. Light passing through the clearance groove 21 is blocked by the first shielding platform 5, which is the second layer of light-blocking structure. The shielding step 3 and the light-shielding plate 4 form an outwardly convex second shielding platform 6. Before entering the clearance groove 21, the inclined light is blocked by the second shielding platform 6, which constitutes the third layer of light-blocking structure. Therefore, in this invention, in addition to the first layer of light-blocking structure formed by the enclosure plate 2 and the light-shielding plate 4 and the second layer of light-blocking structure formed by the support plate 1 and the shielding step 3, a third layer of light-blocking structure formed by the enclosure plate 2 and the shielding step 3 is also provided, thereby achieving comprehensive and thorough light blocking with extremely high shielding performance.

[0040] To facilitate the flipping of the curtain slat 10, the perforation 11 is an elongated oval hole, and the length direction of the perforation 11 is perpendicular to the length direction of the support plate 1. The perforation 11 provides a large range of motion for the lifting rope 40, reducing friction between the lifting rope 40 and the curtain slat 10, thus facilitating the flipping of the curtain slat 10. When the curtain slat 10 flips, the lifting rope 40 contacts the edge of the perforation 11, and the curtain slat 10 is at its limit position for light transmission or its limit position for shading. Therefore, the length of the perforation 11 can limit the limit angles of opening and closing of the curtain slat 10. By reasonably setting the length of the perforation 11, when the curtain slat 10 is flipped to its limit angle, the surrounding plate 2 can abut against the blocking step 3 of the adjacent curtain slat 10.

[0041] Furthermore, in this invention, the perforation 11 is offset from the axis of the support plate 1 along its length and is located on the side close to the shielding step 3. Specifically, taking the axis at the width of the support plate 11 / 2 as the center line, the ratio of the distance L1 from the end of the perforation 11 away from the shielding step 3 to the center line to the distance L2 from the end of the perforation 11 close to the shielding step 3 to the center line is (3-5):10. By setting the distances L1 and L2, the center of gravity of the rotation of the support plate 1 and the curtain slat 10 can be shifted, making it easier for the curtain slat 10 to rotate and block light. The perforation 11 is set as an elongated hole and positioned on an axis offset from the length direction of the support plate 1 and close to the shielding step 3. When the curtain slat 10 needs to be opened, the flipping rope 20 drives the curtain slat 10 to flip, and the relative positions of the perforation 11 and the lifting rope 40 can move. That is, the position of the flipping center of the curtain slat 10 will change. Before the curtain slat 10 flips, the lifting rope 40 is located on the side away from the shielding step 3. At this time, the flipping center is far from the center of gravity. As the curtain slat 10 flips, the lifting rope 40 will gradually move towards the direction of the shielding step 3, and the flipping center will gradually shift towards the side closer to the shielding step 3, that is, gradually closer to the center of gravity, thereby minimizing the distance between it and the center of gravity and making it easier to open the curtain slat 10.

[0042] It should be noted that the traditional slat 10 is a symmetrical design, meaning that the two parts of the slat 10 that bend into each other are symmetrical. A significant characteristic of this symmetrical design is that before and after the slat 10 is flipped, the upper and lower edges of the slat 10 will always be in contact with the flipping cords 20 on both sides. The upper and lower edges of the slat 10 will always generate frictional resistance with the flipping cords 20. Moreover, the distance between the two flipping cords 20 is approximately equal to the distance between the two swing cords 30 (or the distance between the two slats 10). Therefore, the distance between the two slats 10 is constrained by the distance between the two flipping cords 20, thereby constraining the density of the slat 10 and thus affecting the light-blocking performance.

[0043] The high-shielding curtain slat 10 of the present invention has a different shape than the conventional curtain slat 10. In this embodiment, the curtain slat 10 is an asymmetrical design, meaning that the curtain slat 10 itself, composed of the support plate 1, the shielding steps 3, the light-blocking plate 4, and the surrounding plate 2, is an asymmetrical structure. The portion formed by the shielding steps 3, the light-blocking plate 4, and the surrounding plate 2 is inherently heavier than the support plate 1, with its center of gravity lower. Simultaneously, in conjunction with the elongated perforation 11, when the curtain slat 10 flips downwards, its center of gravity shifts downwards, simultaneously causing the entire curtain slat 10 to move downwards along the inclined downward swing cord 30, thereby moving the edge of the support plate 1 away from the flipping cord 20. The downward movement of the entire curtain slat 10 in conjunction with the perforation 11 has three effects:

[0044] ① When the curtain slat 10 is flipped downwards, the side of the support plate 1 closest to the flipping rope 20 will gradually move away from the flipping rope 20. In this way, when the curtain slat 10 is subsequently flipped upwards to open, it will not be affected by the friction of the flipping rope 20 on that side, thereby reducing resistance and facilitating quick opening.

[0045] ② When the curtain slat 10 flips downwards, it also causes the perforation 11 to move closer to the flipping rope 20 on the other side. The movement of the perforation 11 allows the lifting rope 40 to move closer to the center of the two flipping ropes 20. When the curtain slat 10 flips upwards, due to the elongated shape of the perforation 11, the lifting rope 40 does not immediately follow the perforation 11, thus remaining at the center of the two flipping ropes 20. Keeping the lifting rope 40 in the center position facilitates the closing, flipping, and rapid opening of the curtain slat 10, and also facilitates lifting and lowering.

[0046] ③ To further increase the distance between the support plate 1 and the turning rope 20, the total length of the support plate 1 needs to be reduced. This reduces the distance between the two swing ropes 30, thereby increasing the distribution density of the curtain slats 10 and improving the light-blocking performance. The light-blocking plate 4 is connected between the blocking step 3 and the enclosure 2. When in the blocking state, the light-blocking plate 4 is in a vertical position, which can better block most of the side light.

[0047] Furthermore, the angle between the plane of the enclosure 2 and the plane of the light-shielding plate 4 is an obtuse angle, which makes it easier for the enclosure 2 to abut against the blocking steps 3. The clearance groove 21 is provided at the edge of the enclosure 2, and the width of the clearance groove 21 gradually decreases from the edge of the enclosure 2 towards the light-shielding plate 4. The clearance groove 21 has an "eight" shape structure, so the turning rope 20 and the swing rope 30 can be more easily embedded in the clearance groove 21, which is beneficial to the turning of the curtain.

[0048] Since a light-transmitting hole still forms between the clearance groove 21 and the blocking step 3 after the curtain slat 10 is closed, in order to further improve the shielding performance, the high-shielding curtain slat 10 also includes a blocking mechanism 7, one end of which is movably connected to the swing cord 30 and located in the clearance groove 21. Because the blocking mechanism 7 is movably connected, it swings along with the curtain slat 10 when it swings. When the curtain slat 10 is opened, the blocking mechanism 7 droops down under gravity and exposes the clearance groove 21. The flip cord 20 can then pass through the clearance groove 21. The swing rope 30 can also move within the clearance groove 21 after being disengaged from the groove 21. Therefore, the blocking mechanism 7 will not affect the operation of the flip rope 20 and the swing rope 30. The curtain 10 can also be easily opened and closed. When the curtain 10 is closed, the blocking mechanism 7 can block the clearance groove 21, thereby blocking the light-transmitting hole between the clearance groove 21 and the blocking step 3, thus improving the shielding effect. Moreover, the obtuse angle between the plane of the enclosure 2 and the plane of the light-blocking plate 4 not only facilitates the enclosure 2 to abut against the blocking step 3, but also gives the blocking mechanism 7 a large swing space, which is sufficient to provide room for the flip rope 20 and the swing rope 30 to move.

[0049] Specifically, see Figures 4-6In the first embodiment, the blocking mechanism 7 includes a suspension ring 71 and a blocking plate 72. The suspension ring 71 is sleeved on the swing rope 30 at one end near the enclosure 2. The diameter of the suspension ring 71 is larger than the diameter of the swing rope 30, so the blocking plate 72 can swing through the suspension ring 71. The suspension ring 71 can also slide on the swing rope 30. The swing rope 30 is provided with an anti-detachment point 75. The anti-detachment point 75 is located on the side of the suspension ring 71 away from the enclosure 2. The anti-detachment point 75 and the enclosure 2 limit the movement distance of the suspension ring 71, preventing the suspension ring 71 from sliding to a position far away from the enclosure 2 when the curtain 10 is opened. In this way, each time the curtain 10 is closed, the suspension ring 71 can make the blocking plate 72 located on the side of the avoidance groove 21 to quickly block the avoidance groove 21. The suspension ring 71 is swayably fixed to one end of the swing rope 30 near the side panel 2. The shielding plate 72 is located below the suspension ring 71. The surface area of ​​the shielding plate 72 is larger than the area of ​​the clearance groove 21. Therefore, when the side panel 2 abuts against the shielding step 3 of the adjacent curtain slat 10, the shielding plate 72 can cover the clearance groove 21, thereby achieving a better shielding effect. In addition, the angle between the plane of the suspension ring 71 and the plane of the shielding plate 72 is an obtuse angle, which corresponds to the angle between the plane of the side panel 2 and the plane of the light-blocking plate 4. Therefore, the shielding plate 72 can fit more closely to the side panel 2, thereby achieving a better shielding effect. In the first embodiment, the planar shape of the shield 72 is trapezoidal or triangular. The trapezoidal or triangular shape can reduce the blocking area between the upper part of the shield 72 and the light shield 4 or the enclosure 2, thereby reducing the obstruction of the light shield 4 or the enclosure 2 to the swing of the shield 72, and thus ensuring that the shield 72 fits the enclosure 2.

[0050] See Figures 7-9 In the second embodiment, the shielding mechanism 7 includes a fixed ball 73 and a suspended baffle 74. The upper side of the fixed ball 73 is fixed to the upper part of the clearance groove 21. One end of the swing rope 30 near the enclosure 2 passes through the fixed ball 73, and the swing rope 30 can move back and forth in the fixed ball 73, so as not to hinder the swing of the curtain slat 10. In the second embodiment, unlike the first embodiment where the suspension ring 71 can slide, the fixed ball 73 is fixed to the upper part of the clearance groove 21, and the suspended baffle 74 is movably connected to the lower side of the fixed ball 73. The suspended baffle 74 can swing relative to the fixed ball 73. When the enclosure 2 abuts against the shielding step 3 of the adjacent curtain slat 10, the suspended baffle 74 can cover the clearance groove 21, thereby obtaining better shielding.

[0051] Further, see Figure 10 The fixed ball 73 includes an upper slot 731 and a lower swing slot 732. The upper slot 731 corresponds to the shape of the upper part of the clearance slot 21, so the upper part of the clearance slot 21 can be inserted into the upper slot 731 to form a fixed connection. The lower swing slot 732 is located below the upper slot 731. The straight line formed by the projection of the lower swing slot 732 on the horizontal plane is perpendicular to the straight line formed by the projection of the panel 2 on the horizontal plane. The lower swing slot 732 facilitates the swinging of the hanging baffle 74 and can accommodate the flip rope 20 when the curtain 10 is open, thus not hindering the use of the flip rope 20. When the curtain 10 is opened, under the action of gravity, the hanging baffle 74 will slide to the end of the lower swing slot 732 away from the flip rope 20. At this time, the space in the lower swing slot 732 can accommodate the flip rope 20, thus facilitating the flipping of the flip rope 20.

[0052] The suspension baffle 74 includes an insertion rod 741 and a blocking plate 742. The straight line formed by the projection of the insertion rod 741 onto the horizontal plane is perpendicular to the straight line formed by the projection of the lower swing groove 732 onto the horizontal plane. The blocking plate 742 is located on the lower side of the insertion rod 741. The blocking plate 742 can swing around the insertion rod 741 on the inner and outer sides of the clearance groove 21, rotating the insertion rod 741 by 90° so that the insertion rod 741 can be inserted into the lower swing groove 732. Then, the insertion rod 741 is rotated back to its original position by 90°. In this way, after the insertion rod 741 is inserted into the lower swing groove 732, it can be locked in the fixed ball 73 and can also swing and slide.

[0053] See Figure 11 The present invention also discloses a blind, including a lifting rope 40, a flipping rope 20, and a curtain slat 10 as described above. Both the lifting rope 40 and the flipping rope 20 are vertically arranged. The lifting rope 40 is connected to the curtain slat 10. When the lifting rope 40 rises or falls, it can drive the curtain slat 10 to rise or fall, thereby opening and closing the blind as a whole. The lifting rope 40 passes through a perforation 11. When the curtain slat 10 flips, the perforation 11 can swing laterally relative to the lifting rope 40, providing space for the lifting rope 40 to avoid obstructing the flipping of the curtain slat 10. The flipping ropes 20 are respectively located on opposite sides of the curtain slat 10, and the flipping ropes 20 on both sides can move relative to each other in the vertical direction to drive the curtain slat 10 to flip.

[0054] After the multiple curtain slats 10 are flipped, the upper curtain slat 10's surrounding plate 2 can abut against the lower curtain slat 10's blocking step 3. When light enters from the side, horizontal light is blocked by the light-blocking plate 4, and oblique light is blocked by the surrounding plate 2. The light-blocking plate 4 and the surrounding plate 2 can form a first layer of light-blocking structure. The surrounding plate 2 is provided with a relief groove 21. The flipping rope 20 swings freely relative to the relief groove 21, reducing the direct contact between the flipping rope 20 and the edge of the curtain slat 10, thereby reducing friction. The light obliquely entering from the relief groove 21 will be blocked by the first blocking platform 5 formed by the support plate 1 and the first step plate 31. Therefore, the support plate 1 and the blocking step 3 constitute a second layer of light-blocking structure. Before entering the relief groove 21, oblique light will be blocked by the second blocking platform 6 formed by the surrounding plate 2 and the second step plate 32. The second blocking platform 6 constitutes a third layer of light-blocking structure. With the help of the above three-layer shielding structure, the curtain of the present invention can achieve complete and thorough light blocking and has extremely high shielding performance.

[0055] In addition, the curtain also includes a swing cord 30. One end of the swing cord 30 is connected to the flip cord 20 on one side of the curtain slat 10, and the other end of the swing cord 30 passes through the blocking mechanism 7 and is connected to the flip cord 20 on the other side of the curtain slat 10. The blocking mechanism 7 is located at one end of the swing cord 30 near the clearance groove 21. There are multiple swing cords 30 and they can contact the bottom of the curtain slat 10. The swing cord 30 can drive the curtain slat 10 to flip. After the curtain slat 10 flips, the blocking mechanism 7 can swing with the swing cord 30 and block the clearance groove 21. The swing cord 30 will not directly block the edge of the curtain slat 10, i.e. the edge of the panel 2. Therefore, the panel 2 and the blocking step 3 can be completely abutted together to block the light entering from the side.

[0056] In one embodiment, the blocking mechanism 7 includes a suspension ring 71 and a blocking plate 72. The suspension ring 71 is sleeved on the swing rope 30 at one end near the side panel 2. The diameter of the suspension ring 71 is larger than the diameter of the swing rope 30, so the blocking plate 72 can swing through the suspension ring 71. The suspension ring 71 can also slide on the swing rope 30. The swing rope 30 is provided with an anti-detachment point 75, which is located on the side of the suspension ring 71 away from the side panel 2. The anti-detachment point 75 and the side panel 2 limit the movement distance of the suspension ring 71, preventing the suspension ring 71 from sliding to a position far away from the side panel 2 when the curtain 10 is opened. In this way, each time the curtain 10 is closed, the suspension ring 71 can make the blocking plate 72 located on the side of the avoidance groove 21 to quickly block the avoidance groove 21. The suspension ring 71 is swayably fixed to one end of the swing rope 30 near the side panel 2. The shielding plate 72 is located below the suspension ring 71. The surface area of ​​the shielding plate 72 is larger than the area of ​​the clearance groove 21. Therefore, when the side panel 2 abuts against the shielding step 3 of the adjacent curtain slat 10, the shielding plate 72 can cover the clearance groove 21, thereby achieving a better shielding effect. In addition, the angle between the plane of the suspension ring 71 and the plane of the shielding plate 72 is an obtuse angle, which corresponds to the angle between the plane of the side panel 2 and the plane of the light-blocking plate 4. Therefore, the shielding plate 72 can fit more closely to the side panel 2, thereby achieving a better shielding effect. In the first embodiment, the planar shape of the shield 72 is trapezoidal or triangular. The trapezoidal or triangular shape can reduce the blocking area between the upper part of the shield 72 and the light shield 4 or the enclosure 2, thereby reducing the obstruction of the light shield 4 or the enclosure 2 to the swing of the shield 72, and thus ensuring that the shield 72 fits the enclosure 2.

[0057] In another embodiment, the shielding mechanism 7 includes a fixed ball 73 and a suspended baffle 74. The upper side of the fixed ball 73 is fixed to the upper part of the clearance groove 21. One end of the swing rope 30 near the enclosure 2 passes through the fixed ball 73, and the swing rope 30 can move back and forth in the fixed ball 73, so as not to hinder the swing of the curtain slat 10. In the second embodiment, unlike the first embodiment where the suspension ring 71 can slide, the fixed ball 73 is fixed to the upper part of the clearance groove 21, and the suspended baffle 74 is movably connected to the lower side of the fixed ball 73. The suspended baffle 74 can swing relative to the fixed ball 73. When the enclosure 2 abuts against the shielding step 3 of the adjacent curtain slat 10, the suspended baffle 74 can cover the clearance groove 21, thereby obtaining better shielding.

[0058] Furthermore, the fixed ball 73 includes an upper slot 731 and a lower swing slot 732. The upper slot 731 corresponds to the shape of the upper part of the clearance slot 21, so the upper part of the clearance slot 21 can be inserted into the upper slot 731 to form a fixed connection. The lower swing slot 732 is located below the upper slot 731. The straight line formed by the projection of the lower swing slot 732 on the horizontal plane is perpendicular to the straight line formed by the projection of the enclosure 2 on the horizontal plane. The lower swing slot 732 facilitates the swinging of the hanging baffle 74 and can accommodate the flip rope 20 when the curtain 10 is opened, thus not hindering the use of the flip rope 20. When the curtain 10 is opened, under the action of gravity, the hanging baffle 74 will slide to the end of the lower swing slot 732 away from the flip rope 20. At this time, the space vacated in the lower swing slot 732 can accommodate the flip rope 20, thus facilitating the flipping of the flip rope 20.

[0059] The suspension baffle 74 includes an insertion rod 741 and a blocking plate 742. The straight line formed by the projection of the insertion rod 741 onto the horizontal plane is perpendicular to the straight line formed by the projection of the lower swing groove 732 onto the horizontal plane. The blocking plate 742 is located on the lower side of the insertion rod 741. The blocking plate 742 can swing around the insertion rod 741 on the inner and outer sides of the clearance groove 21, rotating the insertion rod 741 by 90° so that the insertion rod 741 can be inserted into the lower swing groove 732. Then, the insertion rod 741 is rotated back to its original position by 90°. In this way, after the insertion rod 741 is inserted into the lower swing groove 732, it can be locked in the fixed ball 73 and can also swing and slide.

[0060] The above are preferred embodiments of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A high-shielding curtain slat, wherein a plurality of said curtain slats are installed in a curtain and arranged side by side in a vertical direction, characterized in that, Includes a support plate, a surrounding panel, and a shielding step and a light-shielding plate connecting the support plate and the surrounding panel; The shielding step is inclinedly connected to the side of the light-shielding plate near the support plate, and the surrounding plate is inclinedly connected to the side of the light-shielding plate away from the support plate. The support plate, the shielding step, the light-shielding plate and the surrounding plate form a concave structure, and the surrounding plate can abut against the plane of the shielding step of the adjacent curtain slat. The enclosure is provided with a clearance groove, and the turning rope of the curtain can be threaded through the clearance groove. The turning rope is used to control the turning of the curtain slats. When the curtain slats turn, the swing rope connected between the turning ropes can be embedded in the clearance groove. The support plate is provided with a perforation, and the lifting rope of the curtain is threaded through the perforation. The lifting rope is used to control the lifting of the curtain slats. When the curtain slats turn, the perforation can swing relative to the lifting rope. The perforation is an oblong hole, and the length direction of the perforation is perpendicular to the length direction of the support plate. The perforation is located on the side close to the shielding step, with the axis at 1 / 2 width of the support plate as the center line. The ratio of the distance from the end of the perforation away from the shielding step to the center line to the distance from the end of the perforation close to the shielding step to the center line is (3-5):

10. The support plate, the shielding steps, the light-shielding plate, and the enclosure form an asymmetrical structure.

2. The high-shielding curtain slat according to claim 1, characterized in that, One side of the shielding step is inclinedly connected to the edge of the support plate, and the other side is inclinedly connected to the light-shielding plate. The shielding step and the support plate form an outwardly convex first shielding platform, and the shielding step and the light-shielding plate form an outwardly convex second shielding platform.

3. The high-shielding curtain slat according to claim 1, characterized in that, The angle between the plane of the enclosure and the plane of the light-shielding plate is an obtuse angle. The clearance groove is provided on the edge of the enclosure, and the width of the clearance groove gradually decreases from the edge of the enclosure towards the light-shielding plate.

4. The high-shielding curtain slat according to claim 1, characterized in that, It also includes a blocking mechanism, one end of which is movably connected to the swing rope and located in the clearance groove. The blocking mechanism can swing around the swing rope and block the clearance groove.

5. The high-shielding slat according to claim 4, characterized in that, The shielding mechanism includes a suspension ring and a shielding plate. The suspension ring is sleeved on the swing rope at one end near the side panel. The swing rope has an anti-detachment point located on the side of the suspension ring away from the side panel, so that the suspension ring can be oscillatingly fixed to the end of the swing rope near the side panel. The shielding plate is located at the lower part of the suspension ring. When the side panel abuts against the shielding step of the adjacent curtain slat, the shielding plate can cover the clearance groove. The angle between the plane of the suspension ring and the plane of the shielding plate is an obtuse angle. The planar shape of the shielding plate is trapezoidal or triangular.

6. The high-shielding slat according to claim 4, characterized in that, The blocking mechanism includes a fixed ball and a suspended baffle. The upper side of the fixed ball is fixed to the upper part of the clearance groove. One end of the swing rope near the enclosure passes through the fixed ball. The suspended baffle is movably connected to the lower side of the fixed ball. When the enclosure abuts against the blocking step of the adjacent curtain slat, the suspended baffle can cover the clearance groove.

7. The high-shielding curtain slat according to claim 6, characterized in that, The fixed ball includes an upper slot and a lower swing slot. The upper slot corresponds to the shape of the upper part of the clearance slot. The upper part of the clearance slot can be inserted into the upper slot to form a fixed connection. The lower swing slot is located below the upper slot. The straight line formed by the projection of the lower swing slot on the horizontal plane is perpendicular to the straight line formed by the projection of the enclosure on the horizontal plane. The suspension baffle includes an insertion rod and a blocking plate. The straight line formed by the projection of the insertion rod onto the horizontal plane is perpendicular to the straight line formed by the projection of the lower swing groove onto the horizontal plane. The insertion rod can be inserted into the lower swing groove. The blocking plate is located on the lower side of the insertion rod and can swing around the insertion rod on the inner and outer sides of the clearance groove.

8. A curtain, characterized in that, The system includes a lifting cord, a flipping cord, and a slat as described in any one of claims 5-7. Both the lifting cord and the flipping cord are vertically arranged. The lifting cord passes through the slat. When the slat flips, the perforation can swing laterally relative to the lifting cord. The flipping cords are respectively located on opposite sides of the slat. The flipping cords on both sides can move relative to each other in the vertical direction to drive the slat to flip. After multiple slats flip, the upper slat's enclosure can abut against the lower slat's blocking step.

9. The curtain according to claim 8, characterized in that, The blind also includes a swing cord, one end of which is connected to the flip cord on one side of the curtain slat, and the other end of which passes through the blocking mechanism and is connected to the flip cord on the other side of the curtain slat. The blocking mechanism is located at one end of the swing cord near the clearance groove. There are multiple swing cords that can contact the bottom of the curtain slat. The swing cord can drive the curtain slat to flip. After the curtain slat flips, the blocking mechanism can swing with the swing cord and block the clearance groove.

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