CN201221302Y

CN201221302Y - Curtain

Info

Publication number: CN201221302Y
Application number: CNU2008201142283U
Authority: CN
Inventors: 王智永
Original assignee: SUZHOU HONGYI DECORATION MATERIALS CO Ltd
Current assignee: SUZHOU HONGYI DECORATION MATERIALS CO Ltd
Priority date: 2008-05-28
Filing date: 2008-05-28
Publication date: 2009-04-15
Anticipated expiration: 2018-05-28

Abstract

The utility model relates to a curtain, comprising an upper rail, a lower rail, a blade group, a wire drawing device and a bead chain device. The wire drawing device comprises two box bodies which are arranged at two sides of the inner part of the upper rail and a flat rope which is wound at the outer edge of a convex ring body of the inner part of the box body thereof; the wire drawing device is connected and combined with one side of an inner transmission group of the bead chain device by a transmission shaft so as to form synchronous transmission and lead the bead chain of the bead chain device to assist the function of winding of a blade group thereof, thus being capable of reducing the transmission load of the bead chain device effectively, reducing transmission load of the transmission group by virtue of the self-weight of the blade group which is equipped with the bead chain device with specific times and leading the user to be convenient to execute the function of the blade group.

Description

Window curtain

Technical Field

The present invention relates to a window curtain, and more particularly to a window curtain with a pulling device and a bead chain device to generate a synchronous transmission mode to control the operation of the blade assembly, so as to provide a user with a convenient design for rolling or unfolding the blade assembly.

Background

There are many types of window covering structures available on the market today, such as: venetian blinds, pleated blinds, roman blinds, etc. installed in household doors and windows to shield sunlight and decoration, and according to the use requirement of different consumers, common blinds may be divided into circular blinds with pulling rope to control the rolling and unfolding action and longer blinds with circular pulling rope to expand into longer blind blades, resulting in easy left and right sliding of the wound round rope and easy damage of the pulling rope and the driving unit, long service life of the blind and long service life of the blind, the longer curtain will result in more consumption of the transmission set, if the transmission set is configured, the replacement frequency of the transmission set will be increased, and overall, the inconvenience of the user to control the curtain or the longer curtain to roll up or unwind is easily caused, so there is a need for further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome the transmission load problem that current longer (window) curtain spends the transmission group when the roll-up, provide one kind and utilize the transmission group to make draw off mechanism and pearl chain device be connected and combine, make draw off mechanism and pearl chain device produce synchronous drive, provide the roll-up and the expansion operation of user's convenient control (window) curtain.

The utility model provides a technical scheme that its technical problem adopted as follows: a curtain mainly comprises an upper rail, a lower rail, a blade group, a wire drawing device and a ball chain device, wherein the blade group is arranged between the upper rail and the lower rail which are opposite at intervals, the wire drawing device comprises two box bodies arranged at two sides in the upper rail and a flat rope which is coiled on the upper outer edge of a convex ring body in the box bodies and is connected and combined with one side of a transmission group in the ball chain device through a transmission shaft, so that the wire drawing device and the ball chain device generate synchronous transmission.

Through the structural combination of the curtain, the following effects can be mainly achieved: one is as follows: when the curtain is furled, the bead chain of the bead chain device is utilized to drive the transmission group, so that the wire drawing device and the bead chain device form a synchronous transmission design, the wire drawing device assists the blade group to be unfolded or furled through the bead chain device, and the transmission load of the bead chain device can be effectively reduced; the second step is as follows: when the rolled longer curtain blade group is unfolded downwards, the transmission load of the transmission group can be reduced by the bead chain device with the specific gravity multiple configured by the weight of the blade group, so that the power load of the longer curtain when the longer curtain is unfolded is reduced.

Drawings

Fig. 1 is a perspective exploded view of the present invention.

Figure 2 is a perspective view of the utility model.

Fig. 3 is a perspective exploded view of the wire pulling device of the present invention.

Fig. 4 is a perspective exploded view of the bead chain device of the present invention.

Fig. 5 is a schematic diagram of a transmission side view of the bead chain device of the present invention.

Fig. 6 is a schematic side view of the unfolding of the blade assembly and the flat rope of the wire pulling device.

Fig. 7 is an exploded perspective view of another embodiment of the bead chain device of the present invention.

FIG. 8 is a side view of the bead chain device of FIG. 7.

Fig. 9 is a perspective exploded view of another embodiment of the bead chain device of the present invention.

Fig. 10 is a side view of the ball chain device of fig. 9.

Detailed Description

Referring to fig. 1 and 2, the curtain of the present invention mainly includes an upper rail 10, a lower rail 20, a vane assembly 30, a pulling device 40 and a bead chain device 50, wherein:

the upper rail 10 is a hollow long rail seat, two ends of which are respectively formed with

openings

11, 12, one side opening 11 is provided for a fixing seat 13 to be sleeved, and the bottom end is respectively provided with a first clamping hole 14, a second clamping hole 15 and a channel 16.

The lower rail 20 is a long rail seat with an insertion groove 21 and disposed under the upper rail 10 at an interval, and two ends of the long rail seat respectively form

openings

22 and 23 for being respectively embedded with edge-closing blocks 24 corresponding to the insertion groove 21.

The vane assembly 30 is disposed between the upper rail 10 and the lower rail 20, and includes a vane 31, the vane 31 can be a honeycomb curtain, a venetian blind vane assembly or a venetian blind vane assembly, in the preferred embodiment shown in the figures, the vane 31 is a honeycomb curtain having first and

second inserts

32, 33 formed at upper and lower ends thereof and respectively inserted into the slot 16 of the upper rail 10 and the slot 21 of the lower rail 20 to connect the upper rail 10 and the lower rail 20, and the first and

second inserts

32, 33 and the honeycomb curtain vane assembly 30 are respectively provided with through

holes

321, 331, 311 corresponding to the first and

second locking holes

14, 15 of the upper rail 10.

Referring to fig. 3 and 6, the wire pulling device 40 is disposed inside the upper rail 10 and penetrates through two sides of the transmission shaft 45, and two elastic clamping bodies 414 extending from the bottom end are respectively clamped into the first and

second clamping holes

14 and 15 for positioning, and mainly includes a box 41 and a cover 42 which are nested with each other, a convex ring body 43 which is placed inside the box 41, and a flat rope 44 which is wound around the outer edge of the convex ring body 43, and one end of the flat rope 44 is provided with a clamping body 441 which is positioned on the convex ring body 43; wherein,

a containing chamber 410 is formed at one side of the box 41, a first through hole 411 and a surrounding concave groove 412 are formed at the bottom end surface of the containing chamber 410, a clamping hole 413 is respectively formed at each corner of the containing chamber 410, two corresponding elastic clamping bodies 414 extend from the bottom of the containing chamber to be clamped into the first clamping hole 14 and the second clamping hole 15 of the upper rail 10, and a rope through hole 415 is formed between the two corresponding elastic clamping bodies 414; the cover 42 has the same shape as the case 41, and covers the chamber 410 of the case 41, and has locking blocks 421 which are embedded with the concave grooves 412 of the case 41 at the periphery, and tenons 422 which are embedded into the locking holes 413 at the corners, respectively, and second through holes 423 corresponding to the first through holes 411 at the end surface; the convex ring 43 is disposed inside the chamber 410 of the box 41 and is formed by an inner and an outer

circular rods

431 and 432, wherein the center of the inner circular rod 431 is provided with a pivot hole 4311 corresponding to the first through hole 411 of the box 41 and the second through hole 423 of the cover 42, and the outer edge surface of the outer circular rod 432 is provided with a slot 4321, in which a clamp 441 at one end of a flat rope 44 can be clamped and positioned, and the other end of the flat rope 44 is wound around the outer edge surface of the outer circular rod 432, and finally, the through

holes

321, 311 and 331 penetrating the first insert 32, the blade 31 and the second insert 33 are bound and fixed at the bottom of the second insert 33.

As shown in fig. 1, two ends of the wire pulling device 40 at one side of the inner portion of the upper rail 10 respectively penetrate into the transmission shaft 45 through a fixing block 46 having a shaft hole 461, and an inner threaded hole 462 penetrating the shaft hole 461 is formed on the fixing block 46, and a fixing element 463 such as a screw is screwed into the inner threaded hole 462, so that the fixing block 46 fixes the two ends of the wire pulling device 40, and the wire pulling device 40 is prevented from moving left and right on the transmission shaft 45.

In addition, referring to fig. 1, 4 and 5, the ball chain device 50 is embedded on the other side opening 12 of the upper rail 10, and includes a first box 51, a second box 52 and a transmission set 53 pivotally connected inside the first box 51, the second box 52; wherein:

the first case 51 has a protrusion 511 and a plurality of through holes 512 formed around one side thereof, the protrusion 511 is inserted into the opening 12 of the upper rail 10, a protrusion rod 514 with a receiving groove 513 and a front end hole 5131 extends therein, and a protrusion 515 with a groove 516 is formed around the other side thereof.

The second box 52 has the same shape as the first box 51, and has a receiving portion 521 at one side thereof, which is covered with the first box 51 and has a lower space, and a protrusion rod 522 and a flat protrusion 523 are engaged with the through hole 512 and the protrusion 515 having the insertion groove 516 in the receiving portion 521, and a protrusion 524 corresponding to the insertion groove 513 is disposed on the receiving portion 521.

The transmission set 53 at least includes a ring body 531, which is a hollow body made of metal material and is sleeved into the inner edge of the containing slot 513 of the protruding rod portion 514;

an elastic element 54, which is sleeved on the lower half part of the inner edge of the ring body 531, and the two end parts of the elastic element form a first convex part 541 and a second convex part 542 which correspond to each other;

a sleeve body 55, which is a hollow body and is sleeved on the upper half part of the inner edge of the ring body 531 and is arranged above the elastic element 54;

a moving body 56, one end of which is provided with a convex body 561 which forms a sleeve with the sleeve hole 5131 of the first box body 51, the convex body 561 is internally provided with a first shaft hole 562 for inserting the other end of the transmission shaft 45, the tail end of the convex body 561 is extended with an arc-shaped column 563, two ends of the arc-shaped column 563 respectively form a plane 564 for the first and second

convex parts

541, 542 of the elastic element 54 to form a rotation movement for being clamped;

a pivot body 57, a side surface of which is provided with a ring convex wall 571 and an arc convex rod 572, the ring convex wall 571 is sleeved on the containing groove 513 of the first box body 51, and the arc convex rod 572 penetrates into the sleeve body 55 and is arranged corresponding to the arc column 563, and the other side surface of the arc convex rod 572 is provided with a second shaft hole 573;

a bead chain 58, which is formed by connecting the beads 581 in series at equal intervals;

a rotating body 59, which has a plurality of grooves 591 on the periphery for receiving the beads 58 of the bead chain 58 to be inserted, to be inserted into the receiving portion 521 of the second case 52, a protruding shaft 592 extending on one side thereof for receiving the second shaft hole 573 of the arc protruding rod 572, and a concave hole 593 on the other side opposite to the second shaft hole 573, to be inserted into the concave hole 593 by the convex connecting body 524 of the second case 52.

The components are assembled to form the utility model curtain.

When the blade assembly 30 of the present invention is to be unfolded, the ball chain 58 of the ball chain device 50 is pulled by hand, each ball 581 of the ball chain 58 drives the rotator 59 of the transmission assembly 53 to rotate counterclockwise, and the transmission shaft 45 drives the flat ropes 44 of the wire pulling devices 40 at both sides to stretch simultaneously and synchronously, at this time, the blades 31 of the blade assembly 30 are unfolded (as shown in fig. 6); conversely, when the ball chain 58 of the ball chain device 50 is pulled by hand to rotate clockwise, the ball bodies 581 of the ball chain 58 drive the rolling bodies 59 of the transmission set 53 to rotate clockwise, and when the rolling bodies 59 rotate and simultaneously cause the transmission shaft 45 to drive the flat ropes 44 of the wire pulling devices 40 at both sides to roll up, the blades 31 of the blade set 30 are rolled up.

As shown in fig. 7 and 8, in another embodiment of the bead chain device 50, an obliquely disposed guide groove 520a is formed in the accommodating portion 521a of the second case 52a of the bead chain device 50a, and the first case 51a with an obliquely inserted body 510a is matched to cover the accommodating portion, so that each bead 581 of the bead chain 58 can be obliquely disposed at the front end of the bead chain device 50a along the guide groove 520a, which is convenient for a user to pull the bead chain 58 with his/her hand.

The utility model discloses a when this longer heavier (window) curtain of roll-up is used in the actual operation, please show in fig. 9, 10, install a gear train 64 of pin joint at first,

second box body

61, 62 one side transmission group 63 side additional with pearl chain device 60 according to the configuration of longer (window) curtain proportion multiple, make the user can utilize gear train 64 first gear 641 to form the engagement with its a plurality of second gears 642 that encircle to establish, and form the design of synchronous drive through a plurality of second gears 642 and a insection hole 651 of establishing in first box body 61 one side cup joint portion 65, make two draw-off mechanism (not shown in the figure) assist its function of roll-up through pearl chain device 60, can effectively reduce its transmission group 63 transmission load; in addition, when the rolled-up longer curtain blade group (not shown) is unfolded downwards, the transmission load of the transmission shaft (not shown) can be reduced by means of the bead chain devices 60 with different specific gravity multiples, so that the transmission load of the longer curtain when the longer curtain is unfolded is reduced.

Claims

1. A window covering, comprising: the curtain comprises: the upper rail (10) is a hollow long rail seat, two ends of the upper rail seat are respectively provided with openings (11) and (12), one side opening (11) is sleeved with a fixed seat (13), and the bottom end of the upper rail seat is respectively provided with a first clamping hole (14), a second clamping hole (15) and a channel (16); the lower rail (20) is a long rail seat which is arranged below the upper rail (10) at intervals and is provided with an embedded groove (21), and two ends of the lower rail are respectively provided with openings (22) and (23) which are respectively used for being nested with edge-closing blocks (24) corresponding to the embedded groove (21); the blade group (30) is arranged between the upper rail (10) and the lower rail (20) and comprises a blade (31), the upper end and the lower end of the blade (31) are provided with a first embedded sheet (32) and a second embedded sheet (33) which are respectively embedded into the groove channel (16) of the upper rail (10) and the embedded groove (21) of the lower rail (20) and are connected with the upper rail (10) and the lower rail (20); the wire drawing device (40) is respectively arranged in the upper rail (10) and penetrates through two sides of the transmission shaft (45), comprises a box body (41) and a cover body (42) which are nested with each other, a convex ring body (43) which is arranged in the box body (41), and a flat rope (44) which is wound on the outer edge of the convex ring body (43), and is positioned on the convex ring body (43) by a clamping body (441) which is arranged at one end, two corresponding elastic clamping bodies (414) extend from the bottom end of the box body (41) and are respectively clamped in the first clamping hole (14) and the second clamping hole (15) for positioning, and a rope penetrating hole (415) for penetrating the flat rope (44) is formed between the two corresponding elastic clamping bodies (414); the ball chain device (50) is embedded on the opening (12) at the other side of the upper rail (10) and comprises a first box body (51), a second box body (52) and a transmission group (53) which is pivoted in the first box body (51) and the second box body (52), the transmission set (53) at least comprises a ring body (531), an elastic element (54) which is sleeved on the lower half part of the inner edge of the ring body (531), and two end parts of the elastic element respectively form a first convex part (541) and a second convex part (542) which correspond to each other, a sleeve body (55) which is sleeved on the upper half part of the inner edge of the ring body (531) and is arranged above the elastic element (54), a moving body (56) which is sleeved with the first box body (51) at one end, a pivoting body (57) which is sleeved on the first box body (51), a ball chain (58) which drives the transmission set (53) to transmit, and a rotating body (59) which is sleeved inside the second box body (52) and is provided with the ball chain (58) in a surrounding way.

2. The window covering of claim 1, wherein: the blades (31) are honeycomb blinds, shutter curtain blade groups and shutter curtain blade groups.

3. The window covering of claim 1, wherein: the first and second embedded sheets (32, 33) and the blade group (30) are respectively provided with through holes (321, 331, 311) corresponding to the first and second clamping holes (14, 15) of the upper rail (10).

4. The window covering of claim 1, wherein: a containing chamber (410) is formed at one side of the box body (41), a first through hole (411) is formed on the bottom end surface of the containing chamber (410), a concave groove (412) is formed around the containing chamber, and clamping holes (413) are formed at each corner of the containing chamber respectively.

5. The window covering of claim 1, wherein: the cover body (42) is provided with clamping blocks (421) on the periphery, tenons (422) on the corners respectively, and second through holes (423) on the end face.

6. The window covering of claim 1, wherein: the convex ring body (43) is arranged inside the box body (41) and is formed by annularly connecting an inner circular rod (431) and an outer circular rod (432), the center of the inner circular rod (431) is provided with a pivoting hole (4311), and the outer edge surface of the outer circular rod (432) is provided with a clamping groove (4321).

7. The window covering of claim 1, wherein: two ends of the wire drawing device (40) on one side inside the upper rail (10) are respectively positioned on the transmission shaft (45) through a fixing block (46) with a shaft hole (461).

8. The window covering of claim 1, wherein: the first box body (51) is provided with a convex inlay body (511) and through holes (512) in distribution at the periphery at one side, a convex rod part (514) with a containing groove (513) and a sleeve hole (5131) at the front end extends in the convex inlay body, and a convex inlay body (515) with an embedding groove (516) is arranged at the periphery at the other side.

9. The window covering of claim 1, wherein: an accommodating part (521) is arranged on one side of the second box body (52), a convex rod (522) and a flat convex body (523) are arranged in the accommodating part (521), and a convex connecting body (524) is arranged on the accommodating part (521).

10. The window covering of claim 9, wherein: the accommodating part of the second box body is provided with a guide groove (520a) which is obliquely arranged.

11. The window covering of claim 1, wherein: one end of the moving body (56) is provided with a convex body (561), a first shaft hole (562) is formed in the convex body (561), an arc-shaped column (563) is arranged at the tail end of the convex body (561) in an extending mode, and planes (564) are formed at two ends of the arc-shaped column (563) respectively.

12. The window covering of claim 1, wherein: one side surface of the pivoting body (57) is provided with a ring convex wall (571) and an arc convex rod (572), and the other side surface of the arc convex rod (572) is provided with a second shaft hole (573).

13. The window covering of claim 1, wherein: the periphery of the rotating body (59) is provided with a plurality of grooves (591), one side of each groove extends to form a protruding shaft (592), and the other side of each groove is provided with a concave hole (593).

14. The window covering of claim 1, wherein: the bead chain device is additionally provided with a gear set (64) which is pivoted on the side edges of the transmission sets at one sides of the first box body and the second box body.

15. The window covering of claim 14, wherein: the gear set (64) is provided with a first gear (641) and a plurality of second gears (642) which are meshed with each other, and the plurality of second gears (642) and a gear hole (651) arranged on the sleeving part (65) on one side of the first box body form synchronous transmission.