CN218347295U - Height-adjustable folding curtain - Google Patents

Abstract

The utility model relates to the technical field of curtains, in particular to a height-adjustable folding curtain, which comprises an upper rail, a lower rail, a curtain body, a stay cord and a rope rolling component, wherein the curtain body comprises a plurality of vertically arranged folding parts, and the lower ends of the folding parts are provided with one or a plurality of first rope penetrating rings at intervals; the first rope threading rings on the folding parts vertically correspond to each other and are arranged in one or more rows; two sides of the first rope threading ring are both provided with first grooves; the height-adjustable folding curtain further comprises connecting rope assemblies corresponding to the first rope penetrating rings in each row, wherein each connecting rope assembly comprises a connecting rope penetrating through the first grooves in the same side and limiting strips connected between the connecting ropes on the two sides and arranged at intervals. The height-adjustable folding curtain adjusts the distance between the two first rope threading rings through the connecting rope component, so that the unfolding state of the folding curtain is adjusted, and the integral unfolding height of the curtain can be adjusted through the connecting rope component according to the use environment.

Description

Height-adjustable folding curtain

Technical Field

The utility model relates to a (window) curtain technical field, concretely relates to height-adjustable's foldable (window) curtain.

Background

Curtain decoration becomes more and more important in people's life, and the opening and closing of folding curtain is very convenient. The roman curtain is one of folding curtains, the roman curtain is made of layered fabric and provided with a plurality of vertically arranged folding parts, and the roman curtain can drive the curtain cloth to fold and unfold through a pull rope arranged on each folding part. The roman shade curtain folds when raised and unfolds when lowered. However, the roman shade in the prior art is in a flat state or a wavy state after being unfolded, and the radian of each wavy shade body cannot be adjusted according to the needs of a user, so that the unfolded state of the roman shade and the unfolded height of the curtain are adjusted, the attractiveness is not high, and the universality is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a height-adjustable's foldable (window) curtain to above problem, this height-adjustable's foldable (window) curtain can come the expansion height that adjusts development state and (window) curtain according to user's demand, and pleasing to the eye degree is high.

In order to achieve the above object, the utility model discloses a height-adjustable's foldable (window) curtain, including last rail, lower rail, install the curtain body between last rail and lower rail, install the stay cord at curtain body rear to and receive and release the serving subassembly of stay cord, its structural feature is: the curtain body comprises a plurality of vertically arranged folding parts, and one or a plurality of first rope threading rings are arranged at the lower ends of the folding parts at intervals in the transverse direction; the first rope threading rings on the folding parts vertically correspond to each other and are arranged in one or more rows; two sides of the first rope threading ring are both provided with first grooves; the height-adjustable folding curtain further comprises connecting rope assemblies corresponding to the first rope penetrating rings in each row, wherein each connecting rope assembly comprises a connecting rope penetrating through the first grooves in the same side and limiting strips connected between the connecting ropes on the two sides and arranged at intervals.

By adopting the structure, the limit distance of the two first rope threading rings is adjusted through the connecting rope component, so that the unfolding state of the curtain is adjusted, the unfolding state of the curtain is adjusted to be a flat state or a wave state according to the use environment, and the size of the wave can be adjusted, so that the integral unfolding height of the curtain is adjusted, the attractiveness of the curtain is improved, and the universality of the curtain is improved; and, the radian of the folding portion of connecting rope subassembly can be to different height dimensions is adjusted, and the radian of every folding portion of (window) curtain can be adjusted into the same or different size as required.

Preferably, the lower end of the upper rail is slidably provided with a stop block, the stop block is provided with a through hole for a pull rope to pass through, an installation seat is clamped in an inner cavity of the upper rail, the bottom end of the installation seat is fixedly connected with a bulge which can be inserted into the through hole, and the bulge is provided with a rope passing hole; the front side of the lower end of the stop block is fixedly connected with a first stop block, the front side of the lower end of the stop block is fixedly connected with a second stop block, and the upper end of the connecting rope assembly is hung on the first stop block; the front side of going up the rail is equipped with and holds the chamber, first stopper supports and leans on hold the opening side in chamber. When the curtain body is installed, the upper end of the curtain body is placed in the accommodating cavity, then the stop block slides to a proper position, the installation seat is pressed into the inner cavity of the upper rail, the protrusion is inserted into the through hole to fix the stop block, and therefore the curtain body is fixed on the upper rail, and the installation and the disassembly of the curtain body are easy to operate; the first limiting block is used for fixedly connecting the rope assembly, so that the connecting rope assembly is prevented from falling off the curtain after the curtain is opened and closed for too many times; and the unfolding distance between the stop block and the uppermost first stringing ring can be adjusted through the connecting rope component, so that the height of the curtain is adjusted.

Preferably, the lower end of the folding part is fixedly connected with a middle beam pocket, a middle beam is inserted into the middle beam pocket, and the first rope threading ring is clamped on the outer side of the middle beam pocket after penetrating the middle beam. The middle beam is arranged in the middle beam pocket, so that the middle beam is simple and convenient to disassemble, and the curtain body is convenient to clean, iron and restore.

Preferably, the folding part and the middle beam pocket are integrally woven and formed. The middle beam pocket can be connected with the lower edge of the folding part in a sewing or bonding mode, the scheme adopts an integrally woven structure, the curtain fabric does not need to be processed later, the step of manually sewing the middle beam pocket is saved, and the operation is convenient and rapid; and the curtain body and the middle beam pocket can be cleaned together, so that the time is saved.

Preferably, the clamping end of the first rope threading ring is provided with an arc-shaped groove, the middle beam pocket is clamped in the arc-shaped groove, and the two sides of the arc-shaped groove are provided with limiting parts. The first rope threading ring is simple and convenient to mount and dismount, the mounting time is saved, the position of the first rope threading ring on the middle beam can be adjusted, and the mounting difficulty is reduced; the first rope threading ring can be pulled out under the action of external force, so that the pulling rope and the connecting rope assembly are prevented from being tied to children, and the safety of the curtain is improved.

Preferably, the side wall of the first groove is provided with a second groove. The second recess can play and control spacing effect, has improved the stability of connecting the rope in first recess, when avoiding the curtain body to fold, connects the rope and deviates from first recess.

Preferably, the upper end of the lower rail is fixedly connected with a mounting part, a second rope threading ring is clamped on the mounting part, and the lower end of the pull rope is fixedly connected to the second rope threading ring. The first rope threading ring on the folding part at the lowest end is prevented from bearing too large weight, so that the first rope threading ring falls off, the second rope threading ring which is obliquely arranged can save the space occupied by the lower rail, and the processing cost is saved.

Preferably, the first stringing ring comprises a clamping portion and a stringing portion, and the upper surface and the lower surface of the stringing portion are both provided with inclined planes which are arranged outwards and obliquely downwards. When the pull rope is stored, the rope threading ring is inclined upwards under the pulling of the pull rope, and the thickness of the folded curtain body can be reduced through the arrangement of the inclined planes through the matching of the adjacent inclined planes, so that the space is saved.

Preferably, the rope rolling component comprises a rope rolling shaft rotatably installed in the upper rail, the upper end of the pull rope is installed on the rope rolling shaft through a rope hanging clamp, one end of the rope rolling shaft is coaxially provided with a ball pulling disc, and a ball pulling chain is installed on the ball pulling disc. Through dragging the bead chain, drive and draw the pearl dish and rotate to drive the serving axle and rotate, and then drive the stay cord card and rotate, with the stay cord winding shaft of winding gradually on, thereby realize the folding of (window) curtain.

Preferably, the rope winding shaft is provided with a through groove along the length direction, the rope hanging clamp is an incomplete circular ring, the inner wall of the rope hanging clamp is fixedly connected with an inserting part inserted in the through groove, the outer wall of the rope hanging clamp is fixedly connected with a rope hanging part, and the rope hanging part is provided with an opening for the stay rope to pass through. The stay cord passes the opening and is tied on hanging the rope card, hangs the rope card plug-in and connects on the serving to can follow the axial slip of serving, make can adjust hanging the position of rope card on the serving according to the position of stay cord, reduce the installation degree of difficulty.

To sum up, the beneficial effects of the utility model reside in that:

the limit distance of the two first rope penetrating rings is adjusted through the connecting rope assembly, so that the unfolding state of the curtain is adjusted to be a flat state or a wave state according to the use environment, the radian of each wave curtain body can be adjusted, the whole unfolding height of the curtain is adjusted, the attractiveness of the curtain is improved, and the universality of the curtain is improved. The middle beam is arranged in the middle beam pocket, so that the middle beam is simple and convenient to disassemble, and the curtain body is convenient to clean. The installation and the dismantlement of first reeving ring are simple and convenient, save installation time, can adjust the position of first reeving ring on well roof beam mouth moreover, reduce the installation degree of difficulty.

Drawings

Fig. 1 is a schematic structural view of a viewing angle of the present invention;

fig. 2 is a schematic structural view of another viewing angle of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is an enlarged view of the structure at C in FIG. 2;

FIG. 6 is a schematic cross-sectional view of the upper rail;

fig. 7 is a schematic sectional view in the direction of D-D in fig. 6.

In the figure: an upper rail 1; a stopper 10; a through-hole 100; a first stopper 101; a second stopper 102; an L-shaped opening 103; a limiting bulge 104; a chute 11; a mounting base 12; a protrusion 120; a rope passing hole 121; a third recess 122; a housing chamber 13; a lower rail 2; a mounting portion 20; a curtain body 3; a folded portion 30; a center sill pocket 31; a center sill 32; a pull rope 4; a first reeving ring 5; a first groove 50; an arc-shaped slot 51; a stopper portion 52; the second groove 53; a stringing hole 54; a connecting rope assembly 6; a connecting cord 60; a limit bar 61; a rope reel 70; a through groove 700; a bead pulling disk 71; a drive rod 72; a rope hanging clip 73; a plug-in portion 730; a rope hanging part 731; an opening 732; a bead box 74; a second reeving ring 8.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 7, the curtain of the present invention includes an upper rail 1, a lower rail 2, a curtain body 3 installed between the upper rail 1 and the lower rail 2, a pull rope 4 installed at the rear of the curtain body 3, and a winding assembly for winding and unwinding the pull rope 4. Wherein, the lower extreme of curtain 3 can adopt the mode of magic subsides to paste on lower rail 2. The curtain body 3 comprises a plurality of vertically arranged folding parts 30, and one or a plurality of first rope threading rings 5 are arranged at the lower ends of the folding parts 30 at intervals; the first reeving rings 5 on each folding part 30 vertically correspond to each other and are arranged in one or more rows; first grooves 50 are formed in two sides of the first rope threading ring 5. The lower end of the pull string 4 is preferably fixed to the lower rail, but the lower end of the pull string 4 may be fixed to the lowermost folded portion 30. The height-adjustable folding curtain further comprises a connecting rope assembly 6 corresponding to each row of first rope threading rings 5, wherein the connecting rope assembly 6 comprises a connecting rope 60 penetrating through the first grooves 50 on the same side, connecting ropes 60 on two sides and limiting strips 61 which are connected between the connecting ropes 60 on two sides and are arranged at intervals. In this embodiment, the first string-passing rings 5 are provided in two rows, the two rows of the first string-passing rings 5 are provided on both sides of the curtain body 3, and the connecting string members 6 are provided in two corresponding to the first string-passing rings 5.

When the folding curtain is used, the rope rolling assembly drives the pull rope 4 to be tightened upwards to drive the lower rail 2 to move upwards, the folding part 30 is folded from bottom to top in sequence and finally is folded below the upper rail 1, so that the curtain body 3 is folded, the flatness or the wave size of 7 curtain cloth can be adjusted by adjusting the position of the connecting rope assembly 6 on the rope threading ring 10, and the integral unfolding height of the curtain is adjusted; moreover, the connecting rope assembly 6 can adjust the radian of the folding parts 30 with different height dimensions, and the radian of each folding part 30 of the curtain can be adjusted to be the same or different according to requirements.

When the unfolding state of the curtain is adjusted to be a flat state, the connecting ropes 60 on two sides of the connecting rope assembly 6 are respectively placed in the two first grooves 50 of the first rope threading ring 5, the limiting strips 61 are limited below the first rope threading ring 5, and at the moment, the distance between the limiting strips 61 below two adjacent first rope threading rings 5 in each row is equal to the length of each folding part 30 when the folding parts are unfolded.

When the unfolding state of the curtain is adjusted to be a wavy state, the connecting ropes 60 on both sides of the connecting rope assembly 6 are respectively placed in the two first grooves 50 of the first rope threading ring 5, the limiting strips 61 are limited below the first rope threading ring 5, at this time, the distance between the limiting strips 61 below the two adjacent first rope threading rings 5 in each row is smaller than the length of each folding part 30 when being unfolded, and the larger the wave of the folding part 30 is, the smaller the unfolding height of the curtain body 3 is.

The limit distance of the two first rope penetrating rings 5 is adjusted by adjusting the positions of the connecting rope assemblies 6 on the first rope penetrating rings 5, so that the unfolding state and the unfolding height of the curtain are adjusted, the unfolding state of the curtain is adjusted to be a flat state or a wave state according to the use environment, the radian of each wave curtain body can be adjusted, the attractiveness of the curtain is improved, and the universality of the curtain is improved.

In order to facilitate the cleaning of the curtain body 3, a middle beam pocket 31 is fixedly connected to the lower end of the folding part 30, a middle beam 32 is inserted into the middle beam pocket 31, and the first rope threading ring 5 is clamped on the outer side of the middle beam pocket 31 after penetrating through the middle beam 32. The center sill 32 can be easily and conveniently detached by installing the center sill 32 in the center sill pocket 31.

As a preferred example of the present embodiment, referring to the drawings, a stopper 10 is slidably mounted at the lower end of the upper rail 1, specifically, the lower end of the upper rail 1 is provided with a chute 11, the upper end of the stopper 10 is slidably mounted in the chute 11, the stopper 10 is provided with a through hole 100 for the rope 4 to pass through, a mounting seat 12 is clamped in an inner cavity of the upper rail 1, the clamping structure and the clamping manner are common knowledge that should be known to those skilled in the art, and are not described herein again, a protrusion 120 that can be inserted into the through hole 100 is fixedly connected to the bottom end of the mounting seat 12, and a rope passing hole 121 is formed in the protrusion 120; a first limiting block 101 is fixedly connected to the front side of the lower end of the stop block 10, a second limiting block 102 is fixedly connected to the front side of the lower end of the stop block 10, and the upper end of the connecting rope assembly 6 is hung on the first limiting block 102; the front side of upper rail 1 is equipped with and holds chamber 13, and first stopper 101 supports and leans on the opening side that holds chamber 13. When the curtain body 3 is installed, the upper end of the curtain body 3 is placed in the accommodating cavity 13, then the stop block 10 slides to a proper position, the installation seat 12 is pressed into the inner cavity of the upper rail 1, the protrusion 120 is inserted into the through hole 100, and the stop block 10 is fixed, so that the curtain body 3 is fixed on the upper rail 1, and the installation and the disassembly of the curtain body 3 are easy to operate; the first limiting block 101 is used for fixedly connecting the rope assembly 6, so that the connecting rope assembly 6 is prevented from falling off from the curtain after the curtain is opened and closed for too many times; and the spreading distance between the stopper 10 and the uppermost first stringing ring 5 can be adjusted by the connecting string assembly 6, thereby adjusting the height of the window covering.

The pull rope 4 passes through the through hole 100 and the rope passing hole 121 and is installed on the rope hanging clamp 73, the first limiting block 101 is provided with an inverted L-shaped opening 103, and a limiting bulge 104 is fixedly connected to the inner side of the horizontal part of the L-shaped opening 103. Preferably, the connecting rope 60 is arranged in an inverted U shape, the top end of the connecting rope 60 is hung in the L-shaped opening 103, and rope bodies on two sides of the connecting rope 60 are respectively arranged in the first grooves 50 on the same side in a penetrating manner. The limiting protrusion 104 prevents the connecting rope assembly 6 from falling out of the L-shaped opening 103. When the curtain is folded, the stopper 10 stops the curtain body 3 to prevent the first rope threading ring 5 from impacting the upper rail 1, the first limiting block 101 is arranged to fixedly connect the rope assembly 6, and the connecting rope assembly 6 is prevented from falling off from the curtain after the curtain is opened and closed for too many times; and the spreading distance between the stopper 10 and the uppermost first reeving ring 5 can be adjusted by connecting the rope assembly 6, thereby adjusting the height of the window curtain.

As a preferred example of the present embodiment, referring to the drawings, the folded portion 30 and the bridge pocket 31 are integrally woven. The fabric of the curtain body 3 does not need to be reprocessed later, so that the step of manually sewing the middle beam pocket 31 is saved, and the method is convenient and quick; and the curtain body 3 and the middle beam pocket 31 can be cleaned together, so that the time is saved.

Wherein, the arc wall 51 has been seted up to the joint end of first wire rope handling ring 5, and the well roof beam pocket 31 card after penetrating well roof beam 32 is established in the arc wall 51, and the both sides of arc wall 51 are provided with spacing portion 52, and spacing portion 52 is two fastener of establishing in opposite directions, and the opening distance between two fasteners is less than well roof beam 32's external diameter. When the middle beam is used, after the middle beam 32 is installed in the middle beam pocket 31, the first rope threading ring 5 is installed on the middle beam pocket 31, the arc-shaped groove 51 is sleeved outside the middle beam pocket 31, the limiting part 52 limits the middle beam pocket 31, the first rope threading ring 5 is prevented from leaving from the middle beam pocket 31, the first rope threading ring 5 is simple and convenient to install and disassemble, the installation time is saved, the position of the first rope threading ring 5 on the middle beam 32 can be adjusted, and the installation difficulty is reduced; the first rope threading ring 5 can be pulled out under the action of external force, so that the pulling rope 4 and the connecting rope assembly 6 are prevented from being tied to children, and the safety of the curtain is improved.

As a preferred example of the present embodiment, referring to the drawings, a second groove 53 is formed on a sidewall of the first groove 50. The second groove 53 can increase the depth of the first groove 50, improve the stability of the connecting rope 60 in the first groove 50, and prevent the connecting rope 60 from being separated from the first groove 50 when the curtain body 3 is folded.

As a preferable example of the present embodiment, referring to the drawings, the first thread ring 5 includes a catching portion and a thread portion, and both upper and lower surfaces of the thread portion are provided as inclined surfaces inclined outward and downward, so that the thickness of the inner end of the thread portion connected to the catching portion is smaller than the thickness of the outer end of the thread portion. The clamping portion is provided with an arc-shaped groove 51, the clamping portion is used for fixing the first rope threading ring 5 on the middle beam pocket 31, the rope threading portion is provided with a rope threading hole 54, and the rope threading portion is used for installing the pull rope 4. When the pulling rope 4 is stored, the first rope threading ring 5 is inclined upwards under the pulling of the pulling rope 4, so the thickness of the folded curtain body 3 can be reduced by the inclined surface, and the space is saved.

Wherein, the rope winding assembly includes that the rotation is installed the serving axle 70 in the upper rail 1, offers the third recess 122 that supplies the serving axle 70 to pass through on the mount pad 12, and the upper end of stay cord 4 is installed on the serving axle 70 through hanging rope card 73, and the one end coaxial arrangement of serving axle 70 draws pearl dish 71, draws and installs on the pearl dish 71 and draws the pearl chain. Specifically, one end of the rope winding shaft 70 is coaxially and fixedly connected with a driving rod 72, a ball pulling disc 71 is installed on the driving rod 72, and a ball pulling box 74 which covers the ball pulling disc 71 is installed at one end of the upper rail 1. The structure and arrangement of the bead pulling disk 71, the bead pulling box 74 and the bead pulling chain are common knowledge known to those skilled in the art, and are not described herein. When the curtain is used, the bead pulling chain is pulled to drive the bead pulling disc 71 to rotate, so that the rope rolling shaft 70 is driven to rotate, the rope hanging clamp 73 is driven to rotate, the pulling rope 4 is gradually wound on the rope rolling shaft 70, and the curtain is folded.

As a preferable example of the present embodiment, referring to the drawings, the rope reel 70 is provided with a through groove 700 along a longitudinal direction thereof, the rope hook 73 is an incomplete ring, an insertion portion 730 inserted into the through groove 700 is fixedly connected to an inner wall of the rope hook 73, a rope hook portion 731 is fixedly connected to an outer wall of the rope hook 73, and an opening 732 through which the rope 4 passes is formed in the rope hook portion 731. The rope hanging clamp 73 is slidably sleeved on the rope winding shaft 70, the insertion part 730 limits circumferential rotation of the rope hanging clamp 73, the pull rope 4 passes through the opening 732 to be tied on the rope hanging clamp 73, and the rope hanging clamp 73 is inserted on the rope winding shaft 70 and can slide along the axial direction of the rope winding shaft 70. When the rope winding device is used, the position of the rope hanging clamp 73 on the rope winding shaft 70 can be adjusted according to the position of the pull rope 4, and the installation difficulty is reduced.

Wherein, the upper end rigid coupling of lower rail 2 has installation department 20, clamps on the installation department 20 and has second rope ring 8, and installation department 20 is the arc setting, and the shape and the structure of second rope ring 8 are the same with first rope ring 5, and the mounting means of second rope ring 8 is also the same with first rope ring 5. The lower end of the pull rope 4 is fixedly connected to a second rope threading ring 8, and the second rope threading ring 8 is obliquely arranged upwards. During the use, drive the rising of lower rail 2 through second wire rope handling ring 8, avoid the weight that first wire rope handling ring 5 on the folding portion 30 of lower extreme bore too big, lead to first wire rope handling ring 5 to drop, the second wire rope handling ring 8 that the slope set up can save the space that lower rail 2 occupy, saves the processing cost.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. A height-adjustable folding curtain comprises an upper rail (1), a lower rail (2), a curtain body (3) arranged between the upper rail (1) and the lower rail (2), a pull rope (4) arranged behind the curtain body (3), and a rope winding assembly for winding and unwinding the pull rope (4), and is characterized in that the curtain body (3) comprises a plurality of vertically-arranged folding parts (30), and one or a plurality of first rope penetrating rings are arranged at the lower ends of the folding parts (30) at intervals in the transverse direction; the first rope threading rings (5) on the folding parts (30) are vertically corresponding and arranged in one or more rows; two sides of the first rope threading ring (5) are provided with first grooves (50); the height-adjustable folding curtain further comprises a connecting rope assembly (6) corresponding to each row of first rope threading rings (5), wherein the connecting rope assembly (6) comprises connecting ropes (60) penetrating through the first grooves (50) on the same side and limiting strips (61) which are connected between the connecting ropes (60) on the two sides and are arranged at intervals.

2. The height-adjustable folding curtain as claimed in claim 1, wherein a stopper (10) is slidably mounted at the lower end of the upper rail (1), a through hole (100) for the pull rope (4) to pass through is formed in the stopper (10), a mounting seat (12) is clamped in the inner cavity of the upper rail (1), a protrusion (120) capable of being inserted into the through hole (100) is fixedly connected to the bottom end of the mounting seat (12), and a rope passing hole (121) is formed in the protrusion (120); a first limiting block (101) is fixedly connected to the front side of the lower end of the stop block (10), a second limiting block (102) is fixedly connected to the rear side of the lower end of the stop block (10), and the upper end of the connecting rope assembly (6) is hung on the first limiting block (101); the front side of upper rail (1) is equipped with and holds chamber (122), first stopper (101) support and lean on hold the opening side in chamber (122).

3. The height-adjustable folding curtain as claimed in claim 1, wherein a center sill pocket (31) is fixedly connected to the lower end of the folding portion (30), a center sill (32) is inserted into the center sill pocket (31), and the first string-threading ring (5) is fastened to the outer side of the center sill pocket (31) after penetrating through the center sill (32).

4. The height adjustable folding window covering of claim 3, wherein the fold (30) and the mullion pocket (31) are integrally woven.

5. The height-adjustable folding curtain as claimed in claim 3, wherein the clamping end of the first stringing ring (5) is provided with an arc-shaped groove (51), the middle beam pocket (31) is clamped in the arc-shaped groove (51), and both sides of the arc-shaped groove (51) are provided with limiting parts (52).

6. The height-adjustable folding curtain as claimed in claim 1, wherein the side wall of the first recess (50) is provided with a second recess (53).

7. The height adjustable folding curtain as claimed in claim 1, wherein a mounting portion (20) is fixedly connected to the upper end of the lower rail (2), a second stringing ring (8) is clamped on the mounting portion (20), and the lower end of the pulling rope (4) is fixedly connected to the second stringing ring (8).

8. The height adjustable folding window covering according to claim 1, wherein the first string-threading ring (5) includes a catching portion and a string-threading portion, and both upper and lower surfaces of the string-threading portion are provided as slopes obliquely disposed outward and downward.

9. The height adjustable folding window covering according to claim 2, wherein said cord winding assembly comprises a cord winding shaft (70) rotatably mounted in said head rail (1), the upper end of said cord (4) is mounted on said cord winding shaft (70) by a cord hanging clip (73), one end of said cord winding shaft (70) is coaxially mounted with a bead pulling disk (71), and said bead pulling disk (71) is mounted with a bead pulling chain.

10. The height-adjustable foldable window curtain as claimed in claim 9, wherein a through groove (700) is formed in the rope winding shaft (70) along the length direction thereof, the rope hanging clip (73) is an incomplete circular ring, an insertion part (730) inserted into the through groove (700) is fixedly connected to the inner wall of the rope hanging clip (73), a rope hanging part (731) is fixedly connected to the outer wall of the rope hanging clip (73), and an opening (732) through which the pulling rope (4) passes is formed in the rope hanging part (731).

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