TWI633235B - For curtains and curtains - Google Patents

Abstract

The utility model relates to a hem under the drapes, which comprises: a double hem connector, a weight bar, a rolling bar and at least one driving bushing. The weight bar is disposed transversely between the two hem connectors; the rolling rod is rotatably disposed transversely between the two hem connectors; the driving sleeve is sleeved on the outer circumference of the rolling rod, the two hem connectors, the counterweight The rod, the rolling rod and the driving sleeve jointly form a wearing space, and the wearing space is provided for the curtain surface of the curtain so that the curtain portion partially surrounds the rolling rod and drives the outer surface of the sleeve to drive the sleeve system It will be driven by the curtain to drive the rolling rod to rotate.

Description

Used for curtains and curtains

The present invention relates to a hem under the curtain and a curtain, and more specifically, a curtain that is engaged with the curtain to be pulled by the curtain to produce a rotating hem, and a draper having the hem.

According to the current indoor space such as homes or offices, curtains are installed in the windows to block the sunlight and protect privacy. In each type of curtains, there is a kind of curtains that are oriented upwards through the shaft. Hanging curtains that cover the window, such as zebra curtains, double curtains, etc., and this type of curtain usually needs to be equipped with a pendulum so that the curtain stays upright and naturally hangs down, and the center of gravity is placed below, increasing the curtain face up Stability when retracting or hanging down.

However, the conventional hem structure usually consists of two side covers and two smooth cylinders disposed between the two side covers. Due to the small contact friction between the smooth cylinder and the curtain surface, the curtain is rolled up and down. When the force is uneven on both sides of the curtain surface, it is easy to cause the curtain surface to slide laterally with respect to the hem, thereby causing friction and damage on both sides of the curtain surface, and in addition, due to the curtain surface The effect of driving the smooth cylinder is not good, causing the swing of the hem to be too large, affecting the smoothness of the control and the smoothness of the curtain surface, and it is obvious that there is still room for improvement.

The reason is that the object of the present invention is to provide a hem under the curtain and a curtain, which has novel structure, good controllability, and can reduce the damage of both sides of the curtain due to friction.

In order to achieve the above object, the present invention provides a hem under the window, characterized by comprising: a double hem connector, a weight bar, a rolling rod and at least one driving sleeve. The weight bar is disposed transversely between the two hem connectors. The rolling rod is rotatably disposed transversely between the two hem connectors. The at least one driving sleeve is sleeved on the outer circumferential surface of the rolling rod, and the two hem connecting members, the weight rod, the rolling rod and the driving sleeve form a wearing space, and the wearing space is provided for The curtain surface of the curtain is disposed such that the curtain portion partially surrounds the rolling rod and the outer circumferential surface of the driving sleeve, and the driving sleeve is driven by the curtain to drive the rolling rod to rotate.

According to the foregoing structural feature, when the curtain surface is driven to be wound up or down, the driving sleeve is driven by the curtain to drive the rolling rod to rotate, thereby reducing the sliding of the curtain relative to the rolling rod. The situation improves the smoothness of the control and reduces the damage caused by friction on both sides of the curtain.

Preferably, the present invention provides a hem under the curtain, and another feature is that the friction between the driving sleeve and the curtain is greater than the friction between the rolling rod and the curtain.

Preferably, the present invention provides a hem under the curtain, and another feature is that the total length of the axial projection of the driving sleeve on the rolling shaft is smaller than the length of the rolling rod.

Preferably, the present invention provides a sash for a curtain, and another feature that the rolling rod has at least one receiving groove radially recessed from an outer peripheral surface thereof, and the driving sleeve is disposed in the capacity Set in the slot.

Preferably, the present invention provides a hem under the drapes, and is characterized in that the rolling rod comprises a rolling body and two receiving sleeves, and the two receiving sleeves are respectively fixed on the two rolling bodies. The receiving slot is located on the rolling body and/or the receiving sleeve.

Preferably, the present invention provides a hem under the curtain, and another feature is that the outer diameter of the driving sleeve is greater than the outer diameter of the rolling body.

Preferably, the present invention provides a hem under the curtain, and another feature is that the number of the driving sleeves is at least two and symmetrically disposed on the rolling rod.

Preferably, the present invention provides a sash for a curtain, and another feature is that each of the receiving sleeves has a tube body and a resisting portion at one end of the tube body, and the outer diameter of the resisting portion is self-joined. The tube body gradually increases toward the outside at one end to form an inclined surface.

Preferably, the present invention provides a sash for a curtain, and another feature is that each of the receiving sleeves has a pivot hole, the hem connector has a connecting wall and a protruding column, the protruding column One end is fixed to the connecting wall, and the other end of the stud is pivotally disposed in the pivot hole of the receiving sleeve.

Preferably, the present invention provides a hem under the drapes, and another feature is that the ribs of the hem connector are cylindrical and have ends that are arcuate.

Preferably, the present invention provides a hem under the curtain, and another feature is that the driving sleeve is made of silicone or rubber.

Preferably, the present invention provides a hem under the curtain, and another feature is that the receiving sleeve is made of engineering plastic.

In addition, the present invention also provides a curtain comprising the aforementioned lower hem.

Preferably, the curtain provided by the present invention is characterized in that it comprises an upper beam, the curtain surface and the hem. The upper beam includes an upper rail, two side wall seats and a transmission rod. The two side wall seats are respectively fixed at two ends of the upper rail, and the transmission rod is rotatably driven between the two side wall seats. The top end of the curtain is fixed to the upper rail of the upper beam and is placed downwardly. The tail end of the curtain is first passed through the hem space of the hem, and finally is fixedly fastened to the hem. The drive rod of the upper beam.

Detailed construction, features, assembly or use of the hem and curtains provided for use in the present invention will be described in the following description. However, it should be understood by those of ordinary skill in the art that the present invention is not limited by the scope of the invention.

In order to explain in detail the technical features of the present invention, the following embodiments are described with reference to the following, wherein:

Referring to the drawings, the curtain 1 of the first embodiment of the present invention includes an upper beam 10, a curtain surface 20 and a lower pendulum 30.

The upper beam 10 can be made of metal, plastic or composite material, and the upper beam 10 includes an upper rail 12, two side wall seats 14 and a transmission rod 16 (as shown in Figures 1 and 2). It is long and its length can be adjusted according to the needs of use. The two side wall seats 14 are fixed to the two sides of the upper rail 12 to correspond to each other. The transmission rod 16 is rotatably disposed between the two side wall seats 14 by driving, and the rotation of the transmission rod 16 drives the curtain surface 20 to be wound up or down, wherein the driving rod 16 is driven upwardly or downwardly. A drive source (not shown) of the transmission rod 16 can be disposed in the upper rail 12, the side wall bracket 14, the transmission rod 16 or the hem 30, and the driving source can utilize the spring force and the electric motor. Power or tension or thrust of the user's hand, but the actual application is not limited to the above.

The curtain surface 20 can be made of materials such as cloth material, plastic, polyester fiber, paper or hemp. The curtain surface 20 can also be distributed in the form of opaque, semi-transparent or hybrid interference according to requirements. The curtain 20 is disposed between the upper beam 10 and the hem 30 and has a predetermined length and a predetermined width. The top end of the curtain 20 is fixedly attached to the upper rail 12 of the upper beam 10 to be suspended downward. In the state, the trailing end of the curtain 20 is first passed through one of the penetrating spaces 32 of the hem 30, and finally connected to the transmission rod 16 of the upper beam 10 so that when the curtain 20 is unfolded, The invention presents a double curtain surface on both the front side and the back side.

Referring to FIGS. 3 to 5 again, the hem 30 includes a second hem connector 34, a weight bar 36, a rolling rod 40, and a second driving sleeve 50.

The yoke connector 34 has a connecting wall 342, a protruding post 344 and a connecting portion 348. One end of the protruding post 344 and one end of the connecting portion 348 are fixed on the same side of the connecting wall 342 and are vertically distributed. The stud 344 has a cylindrical shape and the other end thereof has a circular arc shape 346.

The weight bar 36 is disposed between the two hem connectors 34. Specifically, the two ends of the weight bar 36 are respectively connected to the connecting portion 348 of the hem connector 34, and further, according to the driving source form. Differently, the weight and shape of the weight bar 36 can be adjusted accordingly.

The rolling rod 40 includes a rolling body 42 and two receiving sleeves 44. The two receiving sleeves 44 are respectively fixed at two ends of the rolling body 42. Each of the receiving sleeves 44 has a tube body 442 and a resisting portion. a portion 444 and a pivoting hole 446, one end of the tubular body 442 is bored and fixed to the rolling body 42. The other end of the tubular body 442 is connected to the resisting portion 444. The resisting portion 444 has an inclined surface 447 and an end surface. 448, the outer diameter of the resisting portion 444 is gradually increased from the end connected to the tubular body 442 toward the outer side to form the inclined surface 447. The inner side of the inclined surface 447 is connected to the tubular body 442, and the outer side of the inclined surface 447 is connected to The end surface 448 is formed by the end surface 448 being recessed inwardly for pivoting the protrusion 344 of the hem connector 34, in other words, through the protrusion 344 of the hem connector 34 and the receiving portion The connecting relationship of the pivot holes 446 of the sleeve 44 allows the rolling rod 40 to be rotatably disposed between the two hem connectors 34. Further, the receiving sleeve 44 is made of engineering plastic, and more preferably, the receiving sleeve 44 is made of engineering plastic having a self-lubricating function.

The two driving sleeves 50 are respectively sleeved on the outer circumferential surface of the rolling rod 40, and the friction between the driving sleeve 50 and the curtain surface 20 is greater than the friction between the rolling rod 40 and the curtain surface 20. In the present embodiment, the tubular body 442 of the receiving sleeve 44 of the rolling rod 40 has a receiving groove 46 which is radially concave from the outer peripheral surface thereof. The driving sleeve 50 is sleeved in the receiving groove. Within 46. In addition, the two hem connector 34, the weight bar 36, the rolling rod 40 and the driving sleeve 50 together form the wearing space 32, and the wearing space 32 is provided for the curtain 20 to be The curtain 20 is partially surrounded by the outer peripheral surface of the rolling rod 40 and the driving sleeve 50, whereby the driving sleeve 50 will be subjected to the curtain when the curtain 20 is wound up or down. The pulling of the surface 20 causes the rolling rod 40 to rotate. In this embodiment, the accommodating groove 46 is disposed on the tube body 442 of the receiving sleeve 44. However, the accommodating groove 46 may be disposed in the rolling body 42. The outer peripheral surface (not shown), that is, the outer peripheral surface of the rolling body 42 of the rolling rod 40 is radially recessed to form the receiving groove 46, and then the driving sleeve 50 is sleeved in the receiving groove. In another embodiment, the accommodating groove 46 is not disposed in the rolling body 42 and the receiving sleeve 44, but the driving sleeve 50 is directly sleeved on the rolling body 42 or/and the The sleeve 44 is received.

In addition, it is worth mentioning that the driving sleeve 50 is made of silicone rubber or rubber material, and the number thereof is not necessarily two. In fact, the number of the driving sleeve 50 is one, and in addition, in order to achieve more Preferably, when the number of the driving sleeves 50 is one, the driving sleeve 50 is disposed at the center of the rolling rod 40. When the number of the driving sleeves 50 is two or more, the driving sleeve 50 is The total length of the driving sleeve 50 in the axial direction of the rolling rod 40 is smaller than the length of the rolling rod 40, and the driving sleeve 50 is sleeved on the rolling rod 40. When rolling the body 42 or/and the receiving sleeve 44, the sleeve outer diameter L2 of the driving sleeve 50 is greater than the body outer diameter L1 of the rolling body 42.

The structure of the illustrated embodiment of the present invention has been described above, and the operation mode and effect of the present embodiment will be described next.

Referring to FIGS. 3-7 again, when the curtain 20 is driven to be wound up or down, since the curtain 20 is partially surrounded by the rolling rod 40 and the outer circumference of the driving sleeve 50, The weight of the hem 30 itself causes the driving sleeve 50 to be effectively pulled by the curtain 20 to drive the rolling rod 40 to rotate, thereby reducing the lateral slip of the curtain 20 relative to the rolling rod 40 or When the rolling rod 40 is insufficiently rotated, the swing of the hem 30 is excessively increased, and the smoothness of the control is effectively improved and the two sides of the curtain 20 are damaged by friction.

Finally, it is to be understood that the constituting elements disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the invention. Replacement with other equivalent elements is still within the scope of the patent application scope of the present invention.

1‧‧‧ curtains

10‧‧‧上梁

12‧‧‧Upper track

14‧‧‧ Sidewall seat

16‧‧‧Drive rod

20‧‧‧Window

30‧‧‧ hem

32‧‧‧Place space

34‧‧‧Bottom connector

342‧‧‧Connecting wall

344‧‧‧Bump

346‧‧‧ arc spherical

348‧‧‧Connecting Department

36‧‧‧Weighing rod

40‧‧‧ rolling rod

42‧‧‧Rolling ontology

44‧‧‧With casing

442‧‧‧ tube body

444‧‧‧Resistance Department

446‧‧‧Pivot hole

447‧‧‧ sloped surface

448‧‧‧ end face

46‧‧‧ accommodating slots

50‧‧‧Drive bushing

L1‧‧‧ body outer diameter

L2‧‧‧ sleeve outer diameter

Figure 1 is a perspective view of the illustrated embodiment of the present invention. Figure 2 is a perspective exploded view of the illustrated embodiment of the present invention. Figure 3 is a left side cross-sectional view of the illustrated embodiment of the present invention. Figure 4 is a partial perspective exploded view of the illustrated embodiment of the present invention. Fig. 5 is a partial cross-sectional view showing the embodiment of the present invention, mainly showing the structure of the hem. Fig. 6 is similar to Fig. 3 and mainly shows the case where the curtain is wound up. Fig. 7 is similar to Fig. 3 and mainly shows the case where the curtain is placed face down.

Claims (12)

The utility model relates to a hem under the drapes, which comprises: a hem joint; a weight bar is arranged transversely between the two hem connectors; a rolling rod is rotatably arranged transversely on the hem And the at least one driving sleeve is sleeved on the outer circumferential surface of the rolling rod, the two hem connecting members, the weight rod, the rolling rod and the driving sleeve jointly form a wearing space, The wearing space is provided for the curtain surface of a curtain so that the curtain portion partially surrounds the outer surface of the rolling rod and the driving sleeve, and the driving sleeve is driven by the sliding of the curtain to drive the rolling The rotating rod has at least one receiving groove radially recessed from the outer peripheral surface thereof, and the driving sleeve is disposed in the receiving groove; the rolling rod comprises a rolling body and two receiving sleeves. The two receiving sleeves are respectively fixed at two ends of the rolling body, and the receiving groove is located at the rolling body or/and the receiving sleeve. The hem under the curtain according to the first aspect of the invention is characterized in that the friction between the driving sleeve and the curtain is greater than the friction between the rolling rod and the curtain. The hem of the curtain according to the second aspect of the invention is characterized in that the total length of the axial projection of the driving sleeve on the rolling rod is smaller than the length of the rolling rod. The hem of the curtain according to the first aspect of the invention is characterized in that the outer diameter of the driving sleeve is larger than the outer diameter of the rolling body. The hem of the curtain according to the first aspect of the invention is characterized in that the number of the driving sleeves is at least two and symmetrically disposed on the rolling rod. The fulcrum for a curtain according to the first aspect of the invention is characterized in that each of the receiving sleeves has a tube body and a resisting portion at one end of the tube body, and the outer diameter of the resisting portion is self-connected thereto. One end of the tubular body gradually increases toward the outside to form an inclined surface. The hem of the curtain according to the first aspect of the invention is characterized in that each of the receiving sleeves has a pivot hole, the hem connector has a connecting wall and a protruding column, and one end of the protruding rod The connecting rod is fixed to the connecting wall, and the other end of the stud is pivotally disposed in the pivot hole of the receiving sleeve. According to the seventh aspect of the invention, the hem of the hem is characterized in that the rib of the hem connector has a cylindrical shape and the ends thereof are arcuate. The hem under the curtain according to the second aspect of the patent application is characterized in that the driving sleeve is made of silicone or rubber. The hem under the curtain according to claim 1 is characterized in that the receiving sleeve is made of engineering plastic. A drapes, comprising: a hem as claimed in any one of claims 1 to 10. The curtain according to claim 11, comprising: an upper beam, the curtain surface and the hem; the upper beam comprises an upper rail, two side wall seats and a transmission rod, wherein the two side wall seats respectively Fixedly disposed at two ends of the upper rail, the transmission rod is rotatably disposed between the two side wall seats, and the top end of the curtain surface is fixedly attached to the upper rail of the upper beam to be suspended downward In the state, the tail end of the curtain is first passed through the venting space of the hem, and finally connected to the transmission rod of the upper beam in a windable manner.