Skylight day and night curtain

Abstract

The utility model provides a skylight day and night curtain. A frame comprises an upper frame, a lower frame, a left frame track and a right frame track. The upper end of the upper curtain cloth is connected with the upper frame, and the lower end of the upper curtain cloth is provided with a sliding beam; a sliding beam is arranged at the upper end of the lower curtain cloth, and the two ends of the sliding beam slide in the frame rails. The two independent pull rope mechanisms penetrate through the two pieces of curtain cloth respectively, each pull rope mechanism comprises at least one pair of pull ropes, the two ends of each pull rope are fixed, and the pull ropes penetrate through the corresponding curtain cloth in the vertical direction; the left pull rope penetrates out of the curtain cloth, enters the sliding beam and penetrates out of the right end of the sliding beam, and the right pull rope penetrates out of the curtain cloth, enters the sliding beam and penetrates out of the left end of the sliding beam. The ends, penetrating out of the sliding beams, of the pull ropes are fixed to sliding blocks, the sliding blocks are arranged in sliding grooves of the corresponding frame rails, and fixing structures enabling the sliding blocks to be switched between the fixed state and the sliding state are arranged between the sliding blocks and the sliding grooves.

Description

Technical Field

[0001] The utility model belongs to the field of curtains, and in particular relates to a skylight day and night curtain. Background Art

[0002] With the development and progress of society, curtain products are also constantly updated. The day and night honeycomb curtains currently produced and sold on the market are stiff and laborious when pushing and pulling the curtains when opening and closing the curtains, and the debugging method is cumbersome and complicated. Patent CN214170403U discloses a multifunctional honeycomb skylight day and night curtain. This structure also has the problem of inconvenient installation. When the skylight is opened and closed, the resistance generated by the pull rope is not large. It can only be applied to the skylight, and cannot be applied to other windows that need to overcome gravity to maintain balance; and the left and right ends of the curtain are easily pulled to one side. In addition, the day and night honeycomb curtains for skylights currently produced and sold on the market are mostly only suitable for installation on inclined window frames or only suitable for installation on straight window frames. They are not universal, and inclined curtains cannot be installed on straight window frames. Summary of the invention

[0003] The utility model provides a skylight day and night curtain.

[0004] The purpose of the utility model is achieved in the following way: a skylight day and night curtain, the frame includes an upper frame, a lower frame, and two frame tracks on the left and right sides; upper and lower curtains are arranged in the frame, the upper end of the upper curtain is connected to the upper frame, and a sliding beam is arranged at the lower end; a sliding beam is arranged at the upper end of the lower curtain, and the two ends of the sliding beam slide in the frame track; it also includes two independent pull-cord mechanisms that pass through the two curtains respectively, each of the pull-cord mechanisms includes at least one pair of pull cords that are fixed at both ends and pass through the corresponding curtains in the up and down directions, the left pull cord passes through the curtain, enters the sliding beam and passes through the right end of the sliding beam, and the right pull cord passes through the curtain, enters the sliding beam and passes through the left end of the sliding beam; one end of the pull cord passing through the sliding beam is fixed on a slider, the slider is arranged in a sliding groove of the corresponding frame track, and a fixed structure is arranged between the slider and the sliding groove to enable the slider to switch between a fixed state and a sliding state.

[0005] The frame is an inclined frame, and is in the shape of an enlarged trumpet from the outside to the inside.

[0006] The upper frame, the lower frame, and the two frame tracks are provided with a slot on one side facing the window frame. The window frame is a straight window frame. The frame and the curtain are fixed by a plurality of V-shaped mounting frames. The V-shaped mounting frame includes two side panels forming a V shape, one side panel is fixed to the window frame, and the other side panel is fixed in the slot by a clamping structure, and the tip of the V-shaped mounting frame is inward.

[0007] A buckle is arranged on the outer surface of the side panel connected to the slot, and a mounting slot is arranged at a corresponding position in the slot; in the installed state, the buckle is arranged in the mounting slot, the tip of the side panel connected to the slot is in the slot, and the other end extends out of the slot.

[0008] The slider includes an inner slider and an outer slider arranged in parallel, the fixing structure includes at least two adjusting bolts passing through the inner slider and the outer slider at the same time, the adjusting bolts are provided with external threads, the adjusting piece is threadedly connected to the inner slider and rotatably connected to the outer slider, the slide groove includes an inner slide groove and an outer slide groove, and a long hole allowing the adjusting piece to slide is provided on the inner wall shared by the inner slide groove and the outer slide groove; the inner slider is arranged in the inner slide groove, and the outer slider is arranged in the outer slide groove.

[0009] The left and right ends of the sliding beam are respectively fixed with detachable end heads, and the end heads are slidably arranged in the corresponding side frame tracks; a long slot channel for the pull rope to pass through is arranged on the sliding beam, a notch is arranged on the end head at the position corresponding to the pull rope, and a cylindrical pin is arranged below the notch; the pull rope passes around the cylindrical pin on the corresponding side.

[0010] The upper frame and the two frame guide rails, and the lower frame and the two frame rails are connected respectively through frame heads, and head grooves are arranged at positions of the upper frame, the lower frame and the frame rails corresponding to the frame heads, and two vertical insertion ends are correspondingly arranged on the frame heads, and the insertion ends are tightly fitted with the head grooves.

[0011] Compared with the prior art, the utility model simplifies the rope threading method, and the operation process is more convenient and simple. The rope adjustment is realized in the frame track, and can be applied to the day and night curtain structure built into the window frame. The end adjustment part of the rope is changed to a slider structure, which is easy to assemble, easy to adjust, and has stable performance.

[0012] The left and right pull cords change direction in the sliding beam, and the sliding beam can be prevented from tilting during the sliding process by threading the pull cords in a cross-line manner. The day and night curtain of the utility model is suitable for the slanted window frame skylight of Velux, and a matching mounting frame is designed for the installation of straight window frame windows, which increases the application range of the curtain. A cylindrical pin is installed at the end face seal, which reduces the friction loss between the pull cord and the end face seal, and also makes the push and pull of the curtain smoother and smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an overall schematic diagram of the utility model.

[0014] Figure 2 yes Figure 1 Exploded diagram.

[0015] Figure 3 It is an exploded view of the upper frame or lower frame and frame head.

[0016] Figure 4 This is a schematic diagram of the frame head and the bypass rope.

[0017] Figure 5 It is an exploded view of the sliding beam and end head.

[0018] Figure 6 This is a zoomed in view of the sliding beam area after hiding the frame track.

[0019] Figure 7 It is a schematic diagram of the end head.

[0020] Figure 8 This is a schematic diagram of the other side of the end head.

[0021] Fig. 9 This is an exploded view of the border track and slider.

[0022] Fig.10 It is a cross-sectional view of the frame track and slider.

[0023] Fig.11 This is an exploded view of the frame rail and V-shaped mounting bracket.

[0024] Fig.12 This is a diagram of the frame rail and V-shaped mounting bracket installed.

[0025] Fig.13 It is the rope pulling state diagram.

[0026] Among them, 1 is the curtain, 2 is the frame track, 21 is the inner slide groove, 22 is the outer slide groove, 3 is the end head, 30 is the positioning protrusion, 4 is the frame head, 5 is the sliding beam, 6 is the pull rope, 7 is the slider, 71 is the inner slider, 72 is the outer slider, 8 is the V-shaped mounting frame, 80 is the buckle, 9 is the slot, 90 is the mounting slot, 10 is the adjusting bolt, 11 is the upper frame, 12 is the lower frame, and 13 is the cylindrical pin. DETAILED DESCRIPTION

[0027] In the present utility model, unless otherwise clearly specified and limited, the technical terms used in this application shall be the common meanings understood by the technicians of the present utility model. The terms "connected", "connected", "fixed", "set", etc. should be understood in a broad sense, and may be fixedly connected, detachably connected, or integrated; may be directly connected, or indirectly connected through an intermediate medium; may be mechanically connected or electrically connected. Unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or indirectly contacted through an intermediate medium. Moreover, the first feature "above" or "above" or "above" the second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below" or "below" or "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. Relational terms such as first, second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The terms used in the description, such as "center", "lateral", "longitudinal", "length", "width", "thickness", "height", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", "clockwise", "counterclockwise", etc., to indicate the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation.

[0028] The following will provide a clear and complete description of the technical solution of the present utility model in conjunction with the accompanying drawings and specific embodiments. Figure 1-13As shown, a skylight day and night curtain, the frame includes an upper frame 11, a lower frame 12, and two frame rails 2 on the left and right sides; upper and lower curtains 1 are arranged in the frame, the upper end of the upper curtain 1 is connected to the upper frame 11, and the lower end is provided with a sliding beam 5; the upper end of the lower curtain 1 is provided with a sliding beam 5, and the two ends of the sliding beam 5 slide in the frame rail 2; it also includes two independent pull rope 6 mechanisms that pass through the two curtains 1 respectively, each of the pull rope 6 mechanisms includes at least one pair of pull ropes 6 with fixed ends and passing through the corresponding curtain 1 in the up and down direction, the left pull rope 6 passes through the curtain 1 into the sliding beam 5 and passes through the right end of the sliding beam 5, and the right pull rope 6 passes through the curtain 1 into the sliding beam 5 and passes through the left end of the sliding beam 5; one end of the pull rope 6 passing through the sliding beam 5 is fixed on a slider 7, the slider 7 is arranged in the slide groove of the corresponding frame rail 2, and a fixed structure is arranged between the slider 7 and the slide groove to enable the slider 7 to switch between the fixed and sliding states. The passing here refers to the entire length of the curtain 1 in the up and down direction. The up and down direction can be from top to bottom or from bottom to top. The up and down, upper frame 11, lower frame 12, etc. here are only the directions in the attached drawings, and are not the up and down directions when the day and night curtain is installed. The pull cord 6 passes through the curtain 1, and the friction between the pull cord 6 and the sliding contact part with the pull cord 6 generates resistance so that the curtain 1 remains in position when there is no external force. The utility model simplifies the threading method of the pull cord 6, and the operation process is more convenient and simple. The left and right pull cords 6 change direction in the sliding beam 5. The left and right cross threading method of the pull cord 6 can prevent the sliding beam 5 from tilting during the sliding process, and also increase a part of the friction force. For the upper curtain 1, the left and right pull cords 6 of the pull cord 6 mechanism are preferably arranged in parallel in the curtain 1, and the upper end of the pull cord 6 is located above the outside of the curtain 1 and is knotted or prevented from falling off by other methods. The upper end of the pull cord 6 can be set above the curtain 1 or in the upper frame 11 or elsewhere, as long as one end of the pull cord 6 is fixed and prevented from falling off, and the lower end of the pull cord 6 is fixed on the slider 7. For the lower curtain 1, the left and right drawstrings 6 of the corresponding drawstring 6 mechanism are preferably arranged in parallel in the curtain 1, and the lower end of the drawstring 6 is located below the curtain 1 and is fixed by a knot. The drawstring 6 passes through the sliding beam 5 at the upper end of the curtain 1 and extends from the opposite side, and the upper end of the drawstring 6 is arranged on the slider 7. The structure of the utility model can be applied to a vehicle-mounted skylight or other skylights, and of course can also be applied to other windows. The day and night curtain of the utility model can be a honeycomb curtain, a pleated curtain, etc. that can be pushed to unfold or fold, and a roller curtain cannot be used. The shading degree of the upper curtain 1 and the lower curtain 1 is different to meet different needs during the day and night. The utility model has a simple structure, simple and convenient opening and closing operation, can realize the conversion of opening windows and day and night curtains, and is convenient to adjust the tightness of the drawstring 6. In the structure of the utility model, the adjustment of the drawstring 6 is realized in the frame track 2, and can be applied to the day and night curtain structure built into the window frame.

[0029] Further, the frame is an inclined frame, which is in the shape of an enlarged trumpet from the outside to the inside. The inside here refers to the side facing the room after the day and night curtain is installed. This day and night curtain can be used on the inclined window frame skylight of Velux.

[0030] The upper frame 11, the lower frame 12, and the two frame rails 2 are provided with a slot 9 on one side facing the window frame. The window frame is a straight window frame. The frame and the curtain are fixed by a plurality of V-shaped mounting frames 8. The V-shaped mounting frame 8 includes two side panels forming a V shape, one side panel is fixed to the window frame, and the other side panel is fixedly arranged in the slot 9 by a snap-fit ​​structure, and the tip of the V-shaped mounting frame 8 is super-inward. The inward direction here also refers to the side facing the room after the day and night curtain is installed. The day and night curtain originally applied to the inclined window frame at the inclined frame can be applied to the straight window frame by the V-shaped mounting frame 8. There can be a variety of snap-fit ​​structures, and the snap-fit ​​installation is mainly achieved by the elasticity of materials such as plastic. The outer surface of the side panel corresponding to the slot 9 is provided with a snap 80, and the mounting groove 90 is provided at the position corresponding to the snap 80 in the slot 9. The side panel of the V-shaped mounting frame 8 is provided with a fixing hole. During installation, the V-shaped mounting frame 8 is first fixed to the four sides of the window frame by screws through the fixing holes. After the day and night curtain is assembled, the frame of the day and night curtain is pressed into the window frame. In this process, the side plate of the V-shaped mounting frame 8 is pressed, and after it is in place, the tip of the V-shaped mounting frame 8 is in the slot 9, and the other end exceeds the slot 9. The bottom plate of the slot 9 is pressed against the tip of the V-shaped mounting frame 8, and the buckle 80 on the side plate is snapped into the mounting slot 90 to fix the curtain. The buckle 80 shape can include an inclined surface, and the inclined surface faces the indoor direction, so that the curtain can be pushed and installed from the inside to the outside. After installation, the clamping is achieved by the slot 9 and the mounting slot 90. One end of the V-shaped mounting frame 8 facing the outdoors exceeds a part of the frame, which is convenient for the removal of the curtain. Most of the skylight day and night curtains currently produced and sold on the market are only suitable for installation on inclined window frames or only suitable for installation on straight window frames, and cannot be used universally. The day and night curtain of the utility model is suitable for the inclined window frame skylight of Velux, and is also designed with a matching mounting frame for the installation of straight window frame windows, which increases the scope of application of the curtain.

[0031] The slider 7 includes an inner slider 71 and an outer slider 72 arranged in parallel, the fixing structure includes at least two adjusting bolts 10 passing through the inner slider 71 and the outer slider 72 at the same time, the adjusting bolt 10 is provided with an external thread, the adjusting member is threadedly connected with the inner slider 71, and is rotatably connected with the outer slider 72, the slide groove includes an inner slide groove 21 and an outer slide groove 22, and a long hole is provided on the inner wall shared by the inner slide groove 21 and the outer slide groove 22 to allow the adjusting member to slide; the inner slider 71 is arranged in the inner slide groove 21, and the outer slider 72 is arranged in the outer slide groove 22. The inner slider 71 is also provided with a hole for fixing the pull rope 6. During installation, the pull rope 6 is fixed to the inner slider 71, and then the inner slider 71 is aligned with the inner slide groove 21, the outer slider 72 is aligned with the outer slide groove 22, and the slider 7 is placed from the end of the frame track 2. The position of the slider 7 is adjusted until the pull rope 6 reaches a suitable resistance. Then, the adjusting bolt 10 is rotated until the inner slider 71 and the outer slider 72 clamp the common inner wall of the inner slide groove 21 and the outer slide groove 22, and the head of the adjusting bolt 10 serves as a stopper for the outer slider 72. When the resistance of the pull rope 6 needs to be adjusted, the adjusting bolt 10 is rotated in the opposite direction, the outer slider 72 and the inner slider 71 are loosened, and the slider 7 can slide. The fixing structure can also be set in other structures or forms, such as a bolt that passes through the slider 7 and is threadedly matched with the slider 7, and the slider 7 is fixed by tightening the slide groove with the bolt, etc.

[0032] The left and right ends of the sliding beam 5 are respectively fixed with detachable end face heads 3, and the end face heads 3 are slidably arranged in the corresponding side frame track 2; a long slot channel for the pull rope 6 to pass through is arranged on the sliding beam 5, a notch is arranged on the end face head 3 at the position corresponding to the pull rope 6, and a cylindrical pin 13 is arranged below the notch; the pull rope 6 passes around the cylindrical pin 13 on the corresponding side. The cylindrical pin 13 can be fixedly arranged on the end face head 3, or can be rotatably arranged on the end face head 3. A cylindrical pin 13 mounting hole is arranged at the position of the end face head 3 corresponding to the cylindrical pin 13. The friction loss between the pull rope 6 and the end face head 3 is reduced by the cylindrical pin 13, and the curtain is smoother when pulled. The frame track 2 and the end face head 3 are connected by a guide rail slider 7 mechanism. The end face head 3 and the sliding beam 5 are connected in a tightly fitting manner. For example, a positioning protrusion 30 is provided on the side of the end face seal 3 facing the sliding beam 5, and an inclined surface is provided at the end of the positioning protrusion 30 to form a trapezoidal shape; a positioning groove corresponding to the positioning protrusion 30 is provided on the sliding beam 5, and the inclined surface of the positioning protrusion 30 is used for positioning, and the positioning protrusion 30 and the positioning groove cooperate to fix the end face seal 3 and the sliding beam 5. Each end face seal 3 can be provided with one or more positioning protrusions 30.

[0033] The upper frame 11 and the two frame guide rails, and the lower frame 12 and the two frame rails 2 are connected respectively through the frame head 4, and the upper frame 11, the lower frame 12, and the frame rail 2 are provided with a head groove corresponding to the position of the frame head 4, and the frame head 4 is provided with two vertical insertion ends, and the insertion ends are tightly matched with the head groove. Preferably, the two insertion sections of the same frame wind head are arranged vertically. The head groove can be arranged on the back of the frame rail 2, and can be a through groove in the length direction, or it can not be a through groove. The frame head 4 and the upper frame 11, the lower frame 12, and the two frame rails 2 form a rectangular frame. A pull hole for the pull rope 6 to pass through can be provided on the frame head 4. The lower end of the pull rope 6 of the upper curtain 1 bypasses the frame head 4 at the lower end to enter the inner slide groove 21, and the upper end of the pull rope 6 of the lower curtain 1 bypasses the frame wind head at the upper end to enter the inner slide groove 21.

[0034] In addition, the connection method between the curtain 1 and the upper frame 11 and the lower frame 12, and the connection method between the curtain 1 and the sliding rail are prior art and will not be described in detail. The upper and lower ends of the curtain 1 are provided with adhesive strips, which are arranged in the grooves of the upper rail, the lower rail, and the sliding beam 5 to achieve connection.

[0035] During installation, tie a knot at one end of the pull rope 6, and then pass the other end through the curtain 1 and extend from the left and right crosses from the end face heads 3 at both ends of the sliding beam 5, wherein the left pull rope 6 passes through the hole above the right cylindrical pin 13, and the right pull rope 6 passes through the hole above the left cylindrical pin 13. The ends of the four pull ropes 6 are connected to the slider 7 after passing through the corresponding frame heads 4. Connect the two ends of the upper track and the lower track to the frame heads 4 respectively. Insert the two ends of the upper curtain 1 into the grooves of the upper frame 11 and the sliding beam 5 respectively, and insert the two ends of the lower curtain 1 into the grooves of the lower frame 12 and the sliding beam 5 respectively, and the two ends of the sliding beam 5 are set in the frame track 2. Align the slider 7 with the slide groove of the frame track 2 and insert it, and connect the frame heads 4 to the upper and lower ends of the frame guide rails respectively. After installation, adjust the tightness and friction of the pull rope 6 by adjusting the slider 7. After debugging, tighten the adjusting bolt 10 to fix the slider 7.

[0036] Install the day and night curtain to the frame. If the day and night curtain has an inclined frame, if it is installed on a Velux inclined window frame, after the curtain is inserted into the window frame, nail the curtain directly on the side to fix it. If it is a straight window frame, first fix the V-shaped mounting frame to the frame with screws, and then press the curtain in. When removing the curtain, press the V-shaped mounting frame beyond the curtain part to make the V-shaped mounting frame produce elastic deformation, and the buckle 80 of the V-shaped mounting frame will be separated from the V-shaped groove of the track. After losing the limit on the skylight day and night honeycomb curtain, the curtain can be removed.

[0037] The technical features of the above-mentioned embodiments can be combined arbitrarily, and as long as there is no contradiction in the combination of these technical features, they should be considered as the scope of this specification. Without departing from the overall concept of the utility model, the technical solution of the utility model and the equivalent replacement or change, as well as the changes and improvements made, should also be regarded as the protection scope of the utility model.

Claims

1. A skylight day and night curtain, the frame includes an upper frame, a lower frame, and two frame tracks on the left and right sides; upper and lower curtains are arranged in the frame, the upper end of the upper curtain is connected to the upper frame, and a sliding beam is arranged at the lower end; a sliding beam is arranged at the upper end of the lower curtain, and both ends of the sliding beam slide in the frame track; the characteristics are: It also includes two independent pull-rope mechanisms that pass through the two curtains respectively, each of the pull-rope mechanisms includes at least one pair of pull ropes whose two ends are fixed and pass through the corresponding curtains in the up and down directions, the left pull rope passes through the curtain, enters the sliding beam and passes through the right end of the sliding beam, and the right pull rope passes through the curtain, enters the sliding beam and passes through the left end of the sliding beam; one end of the pull rope passing through the sliding beam is fixed on a slider, and the slider is set in a sliding groove of the corresponding frame track, and a fixed structure is set between the slider and the sliding groove to enable the slider to switch between a fixed state and a sliding state.

2. The skylight day and night curtain according to claim 1, characterized in that: The frame is an inclined frame, and is in the shape of an enlarged trumpet from the outside to the inside.

3. The skylight day and night curtain according to claim 2, characterized in that: The upper frame, the lower frame, and the two frame tracks are provided with a slot on one side facing the window frame. The window frame is a straight window frame. The frame and the curtain are fixed by a plurality of V-shaped mounting frames. The V-shaped mounting frame includes two side panels forming a V shape, one side panel is fixed to the window frame, and the other side panel is fixed in the slot by a clamping structure, and the tip of the V-shaped mounting frame is inward.

4. The skylight day and night curtain according to claim 3, characterized in that: A buckle is arranged on the outer surface of the side panel connected to the slot, and a mounting slot is arranged at a corresponding position in the slot; in the installed state, the buckle is arranged in the mounting slot, the tip of the side panel connected to the slot is in the slot, and the other end extends out of the slot.

5. The skylight day and night curtain according to claim 1, characterized in that: The slider includes an inner slider and an outer slider arranged in parallel, the fixing structure includes at least two adjusting bolts passing through the inner slider and the outer slider at the same time, the adjusting bolts are provided with external threads, the adjusting piece is threadedly connected to the inner slider and rotatably connected to the outer slider, the slide groove includes an inner slide groove and an outer slide groove, and a long hole allowing the adjusting piece to slide is provided on the inner wall shared by the inner slide groove and the outer slide groove; the inner slider is arranged in the inner slide groove, and the outer slider is arranged in the outer slide groove.

6. A day-night curtain according to claim 1, characterized in that: The left and right ends of the sliding beam are respectively fixed with detachable end heads, and the end heads are slidably arranged in the corresponding side frame tracks; a long slot channel for the pull rope to pass through is arranged on the sliding beam, a notch is arranged on the end head at the position corresponding to the pull rope, and a cylindrical pin is arranged below the notch; the pull rope passes around the cylindrical pin on the corresponding side.

7. The day-night curtain according to claim 1, characterized in that: The upper frame and the two frame guide rails, and the lower frame and the two frame rails are connected respectively through frame heads, and head grooves are arranged at positions of the upper frame, the lower frame and the frame rails corresponding to the frame heads, and two vertical insertion ends are correspondingly arranged on the frame heads, and the insertion ends are tightly fitted with the head grooves.

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