WO2013170556A1

WO2013170556A1 - Curtain

Info

Publication number: WO2013170556A1
Application number: PCT/CN2012/080495
Authority: WO
Inventors: 卢先锋; 桑建华
Original assignee: 宁波先锋新材料股份有限公司
Priority date: 2012-05-16
Filing date: 2012-08-23
Publication date: 2013-11-21
Also published as: CN202578446U; BR112014010148A2; BR112014010148A8

Abstract

A curtain comprises a curtain cloth (1), a window cover (5), and a roller (6) rotatably installed inside the window cover (5). Side rails (7) are fixedly connected downwardly from two ends of the window cover (5). A track (2) is provided longitudinally inside the side rail (7). The side rail (7) has a longitudinal opening at the side facing the curtain cloth (1). An opening groove (21) is formed longitudinally at the track (2). The upper opening of the opening groove (21) is in communication with the window cover (5). Positioning pieces are arranged longitudinally inside the opening groove (21). Two side edges of the curtain cloth (1) extend into the opening groove (21) through the longitudinal openings of the side rails (7) and the opening grooves (21) and are horizontally positioned at the positioning pieces. The curtain solves the problem that the curtain cloth (1) flutters under wind pressure, and has the advantages such as a simple structure and desirable stability, reliability, and guiding performance.

Description

Curtain technology field

The invention belongs to the technical field of daily necessities, and in particular relates to a curtain. Background technique

During the hot summer months, people pull down the curtains to block the sun, but the wind that blows in from the open window swings the curtains back and forth. Not only does the shading effect not be good, but the curtains that swing back and forth also make noise, especially in schools, hospitals, etc., which can affect students' rest and study, and patient rest.

To this end, some people have invented windproof sunshade curtains. At present, most of the outdoor windproof sunshade curtains are made of steel wire ropes, but the wire rope can only fix the lower end of the curtain cloth. When the wind is large, the curtains are easily blown up by the whole, and the windproof effect is poor. . There is also a kind of windproof curtain such as Chinese patent (announcement number: CN201519032U). The curtain is connected with a plurality of column weights at equal intervals on the bottom edge of the curtain, and the hook is processed on the bottom surface of the weight, and the thread sleeve is protected on the surface of the column weight. set. Although the curtain can solve the problem that the ordinary curtain has poor stability and is easily blown by the wind, the structure is complicated, and at the same time, the windproof effect can be realized only by completely lowering the curtain, and the function is single. There are also curtains that are equipped with nylon zippers on both sides of the curtain fabric, and the curtains with nylon zippers are attached. Since the thickness of the curtain fabric and the nylon zipper are different, it will shift when the curtain fabric is wound (running off). There is also a classroom-specific energy-saving windproof curtain, such as the Chinese patent (Announcement No.: CN200964780Y), the two ends of the curtain are arranged in two symmetric upper brackets, and one end of the upper winding roller is arranged to drive the upper roller to rotate. a ratchet, the upper ratchet is provided with a ring-shaped ratchet zipper, and an annular connecting strip is arranged between the upper roll and the lower roll at both ends of the upper roll and the lower roll, and the connecting strip is stretched on the upper roll and the lower roll Between the two intermediate supports, a middle roll is provided for rolling the light-shielding web, and the lower end of the light-shielding web is fixed on the two-side annular connecting strip by a cross bar. Although the curtain can also effectively prevent wind, the structure is still cumbersome, the operation is troublesome, the manual operation is simple, and the installation is not convenient. The invention provides a curtain, which effectively solves the problem that the existing curtain cloth flutters after being subjected to wind pressure, and has the advantages of simple structure, stable and reliable, and good guiding property.

The present invention is achieved by the following technical solutions: a curtain comprising a curtain fabric, a window cover, a coiled tubing, the coiled tubing being rotatably assembled within the window covering, and the windshield wrapping the curtain Cloth, the coiled tube rotates to drive the curtain fabric to unfold or rewind, and is characterized in that: the two ends of the window covering are respectively fixedly connected to the side rails, and the side rails have a longitudinal opening toward the side of the curtain fabric; A rail is installed in the longitudinal direction of the side rail, and the rail forms an open slot along the longitudinal direction. The opening of the open slot faces the side of the curtain fabric, and the upper opening of the open slot communicates with the window cover, and a longitudinal slot is arranged in the open slot. a positioning member; the two side edges of the curtain fabric respectively extend into the opening slot through the longitudinal opening of the same side rail and the opening of the opening slot and are laterally positioned on the positioning member. When the wind blows toward the curtain fabric, the side edges of the curtain fabric are each pulled by the positioning member, so that the curtain fabric is always in a tensioned state, so that the curtain fabric does not flutter or bulge after being subjected to the wind pressure.

Preferably, the positioning member is a guiding post, the lower end of the guiding post is fixed, the upper end is a free end, and the upper end is opposite to the inside of the window covering; the two sides of the curtain cloth are respectively respectively coated on the guiding columns on the same side and It can move up and down along the guide column under the driving of the coiled tube. According to the preferred technical solution, compared with the prior art, the guide post is installed in the rail and the guide post is limited to be detached from the rail. The side of the curtain fabric is sleeved on the guide post, and the guide post on both sides of the curtain fabric Straighten the curtains so that the curtains will not be blown up or even blown even in the case of eight winds.

Preferably, the positioning member is a flexible belt; the two side edges of the curtain fabric are respectively fixedly connected with the flexible belts on the same side, or the two sides of the curtain fabric are respectively sheathed on the same side of the flexible belt, and the flexible belt is wound at the upper end. Wrap around the coiled tube; when the curtain fabric is in the unfolded state, the lower end of the flexible strap is fixed to position the curtain fabric laterally; when the lower end of the flexible strap is separated from the fixed position, the coiled tubing can drive the curtain fabric to wind up.

Preferably, the outer diameter of the positioning member is larger than the diameter of the opening of the opening of the rail. Preferably, the two sides of the curtain fabric are fixedly connected to a skirt, and the curtain cloth is laterally positioned on the positioning member through the skirt. The fabric is folded in half to form a skirt having a circumferentially closed space. When the curtain is rolled up by the reel, the skirt is flattened, and the thickness of the skirt is the same as the thickness of the curtain fabric and is kept flat. The whole of the curtain fabric is rolled up on the coiled tube, thereby overcoming the shortage of the curtain cloth when the existing windproof curtain is wound Trapped.

Preferably, the curtain fabric and the skirt are heat-sealed and fixedly connected at a temperature of 200-400 °C.

Preferably, the curtain fabric and the skirt are fixedly connected by sewing.

Preferably, a motor is installed in the coiled tube, and the motor drives the coiler to rotate. The motor drives the coil to rotate, so that the manual control of the curtain fabric is turned into an electric control lift, which is simpler and more convenient. The control of the motor can be realized by a prior art such as a remote control or a push button.

Preferably, the lower end portion of the side rail is fixedly connected to the side rail bulkhead, and the side rail bulkhead is mounted with a fixing block; the lower end of the guiding pillar is inserted on the fixing block. This allows the guide post to be axially fixed to the fixed block, ensuring that the guide post does not move axially with the curtain during the lifting process.

Preferably, the lower end portion of the side rail is fixedly connected to the side rail bulkhead, and the side rail has a hook on the bulkhead; the curtain cloth is in an unfolded state, and the lower end of the flexible strap is hooked on the hook of the side rail; When the lower end of the belt is separated from the hook of the side rail bulkhead, the coiled tubing can drive the curtain fabric to wind up.

Preferably, the upper end portion of the side rail is fixedly connected with a guiding cover, and the guiding cover can longitudinally extend the edge of the curtain cloth.

Through the above-mentioned side rail bulkhead and the guiding stuffing cover to block dust and other debris from entering the side rails, the rails in the side rails are ensured to be clean and tidy, so as to prevent the curtain cloth from lifting and lifting due to obstruction of the rails due to excessive debris. .

Preferably, the upper surface of the window cover is fitted with a buckle.

Preferably, the upper surface of the window cover forms two opposite slots along the length direction, and the slot is inserted into the buckle. The window cover can be easily fixed to the window frame by the buckle, and the installation is simple and quick.

Preferably, the two ends of the window cover are respectively covered by a bracket, the upper part of the bracket is folded through 90 degrees, and the slot of the upper surface is inserted from the end surface of the window cover; the bracket and the passive wheel tube The plug is rotated.

Preferably, the outer side surface of the bracket is fixed to a cover sheet. Preferably, the lower edge of the curtain fabric is connected with a laterally disposed lower rod.

Preferably, the lower surface of the lower rod is mounted with a rubber strip along its length.

Preferably, the lower surface of the lower rod forms a concave slot along the length direction, and the slot is embedded in the rubber strip, and the rubber strip partially protrudes from the lower surface of the lower rod.

Preferably, the lower rod is hollow, and both ends are sealed by one end cover.

Preferably, the two ends of the lower rod respectively extend into the opening slot through the longitudinal opening of the same side rail and the opening of the opening slot, and the distance between the length of the lower rod and the guiding columns on the two sides. Fitted.

Preferably, one end of the coiled tube is fixed to a bead disk, and the bead disk is driven to rotate by a bead, thereby driving the reel to rotate synchronously.

Compared with the prior art, the present invention provides a positioning member in the track and the positioning member is defined in the track and cannot be separated, and the two sides of the curtain cloth are sleeved on the outside of the positioning member or fixedly connected to the positioning member, which are on both sides of the curtain cloth. The positioning member straightens the curtain so that the curtain fabric is not blown up or even blown even in the case of a large wind. DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a transverse cross-sectional view of one side of a curtain of the first embodiment.

Fig. 2 is a schematic view showing the structure of the C-C of Fig. 1.

Figure 3 is a schematic view showing the structure of the curtain of the first embodiment.

Figure 4 is an exploded perspective view of the curtain of the first embodiment.

Figure 5 is a transverse cross-sectional view of the curtain of the first embodiment.

In the figure, 1, curtain cloth; 2, track; 2 1, open slot 3, guide column; 4, skirt; 5, window cover; 6, coil tube; 7, side rail; 8, lower rod; 10; side rail bulkhead; 1 1, fixed block; 12, guiding stuffy cover; 13, passive wheel plug; 14, buckle; 15, rubber strip; 22, bracket; 23, cover sheet; 24, end cover. detailed description

The technical solutions of the present invention are further described below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the embodiments. Embodiment 1 As shown in FIG. 1-5, this embodiment is an electric curtain, which comprises a curtain fabric 1, a window cover 5, a coiled tube 6 installed in the window cover 5, and is disposed on both sides of the curtain fabric 1. The side rail 7, the lower rod 8 disposed at the lower end of the curtain fabric 1, the motor 9 and the like, the upper surface of the window cover 5 forms two opposite slots along the length direction, and the slots on the two sides are inserted into the two buckles. 14. By attaching the buckle 14 to the upper end surface of the window cover 5, the window cover 5 can be directly fixed to the window frame by the buckle 14.

Both ends of the window cover 5 are respectively folded by a bracket 22, and the upper portion of the bracket 22 is folded through 90 degrees, and is inserted into the slot of the upper surface from the end surface of the window cover 5, and the outer side surface of the bracket 22 is fixed to the cover sheet. twenty three.

The bracket 22 is rotatably engaged with the passive wheel tube plug 13, and the coil tube 6 is wound around the curtain cloth 1, and the coil tube 6 is rotated to drive the curtain cloth 1 to unfold or wind up. The coiled tube 6 is equipped with a motor 9 and a passive wheel tube plug 13, and the passive wheel tube plug 13 is fixedly connected to the coil tube 6, and the motor 9 drives the coil tube 6 to rotate. Therefore, the original manual control of the curtain cloth lifting into electric control lifting, the operation is simpler and more convenient.

Both ends of the window cover 5 are fixedly connected downward to the side rails 7, and the side rails 7 have a longitudinal opening toward the side of the curtain fabric 1. The lower end of the side rail 7 is fixedly connected to the side rail bulkhead 10, and the fixed rail 1 1 is mounted on the side rail bulkhead 10. The upper end portion of the side rail 7 is fixedly connected to a guiding cover 12, and the guiding cover 12 can longitudinally extend the edge of the curtain cloth 1. Through the side rail bulkhead and the guiding boring cover, dust and other impurities can not enter the side rail, thereby ensuring the cleanliness of the rails in the side rails, and preventing the curtain cloth from lifting and lifting due to excessive blockage of impurities.

A rail 2 is inserted into the side rail 7 in the longitudinal direction. The rail 2 is formed with an opening slot 21 in the longitudinal direction. The opening of the opening slot 21 faces the side of the curtain fabric 1, and the upper opening of the opening slot 21 communicates with the window cover 5, and the opening slot 21 A guide post 3 is disposed in the longitudinal direction of the inner edge; the two side edges of the curtain fabric 1 respectively extend into the opening groove 21 through the longitudinal opening of the same side rail 7 and the opening of the opening groove 21 and are laterally positioned on the guiding post 3. The cross-section of the track opening groove 21 is "convex", that is, the inside of the opening groove has a large diameter, which ensures that the guide post 3 is not overcrowded and the guide post 3 is conveniently installed. The outer diameter of the guide post 3 is larger than the diameter of the opening of the opening groove 21, ensuring that the guide post does not escape from the rail.

A fixed block 1 is mounted on the side rail bulkhead 10, and the lower end of the guide post 3 is inserted on the fixed block 1 1 so that the guide post can be axially fixed on the fixed block to ensure that the curtain cloth is guided during the lifting process. The column does not move axially with the curtain. The upper end of the guide post 3 is a free end, and the upper end faces the inside of the window cover 5. The guide post 3 can be made of plastic or stainless steel tube material. The guide post made of plastic or stainless steel tube material is not only cheap, but also has certain elasticity and flexibility, which ensures that the guide post will not be easily broken when the wind is blown.

Each side edge of the curtain fabric 1 is fixedly connected with a skirt 4, and the skirt 4 is sleeved on the guiding column 3 and can move up and down along the guiding column, and the curtain cloth 1 is laterally positioned on the guiding column 3 through the skirt 4. Thus, when the wind blows toward the curtain fabric 1, the curtain fabric 1 is pulled by the guide post 3 through the skirt 4, so that the curtain fabric is always straightened, and the curtain fabric does not bulge.

The skirt 4 can be made of ordinary nylon composite material or ordinary chemical fiber material, which has good tensile strength and is not easy to be broken. The skirt is folded in half to form a closed space in a week, and the guide post 3 is inserted in the space, so that The guide post is attached to the curtain fabric.

The curtain fabric 1 and the skirt 4 can be heat-sealed by a heat sealing machine at a temperature of 200-400 ° C or sewn together by a sewing machine sewing method, so that the curtain fabric and the skirt are more firmly connected, when a wind is encountered. Next, the guide column pulls the skirt tightly, and the skirt and the curtain fabric are not easily torn by the wind, and the wind resistance is good.

The thickness of the skirt after folding is still very thin. When the curtain fabric is raised and rolled up by the coiled tube, the skirt which is originally folded into a circumferentially closed space is flattened, so that the thickness of the skirt is the same as the thickness of the curtain fabric and remains The flat state, so that the curtain fabric can be neatly rolled on the reel, which ensures that the curtain fabric is always flat when the reel is rolled up or pulled out from the reel, thereby overcoming the existing windproof The problem of curtain shift when the curtain is wound.

The two ends of the lower rod 8 respectively extend into the opening groove 21 through the longitudinal opening of the same side rail 7 and the opening of the opening groove 21, and the length of the lower rod 8 is between the length of the lower rod 8 and the guide columns 3 on both sides. The distance is adapted. The lower rod 8 is hollow, and both ends are sealed by an end cap 24. The lower surface of the lower rod 8 is fitted with a rubber strip 15 along its length. The lower surface of the lower rod 8 forms a concave slot along the length direction, and the slot is embedded in the rubber strip 15, and the rubber strip 15 partially protrudes from the lower surface of the lower rod 8.

The second embodiment is different from the first embodiment in that the positioning member is different. The positioning member of the embodiment is a flexible belt, and the two sides of the curtain cloth are respectively fixedly connected with the flexible belt on the same side, or The side edges of the curtain fabric are respectively sheathed on the same side of the flexible belt, flexible The upper end of the belt is wound around the coiled tubing. a hook is provided on the side rail of the lower end of the side rail; the curtain cloth is in an unfolded state, and the lower end of the flexible belt is hooked on the hook of the side rail, so that the curtain cloth is always straightened; when the lower end of the flexible belt is separated from the side When the rail is hooked, the coil can drive the curtain to wind up.

Other contents of this embodiment refer to the first embodiment.

Embodiment 3: The difference between this embodiment and the first embodiment is that the driving method of the coiled tubing is different. In this embodiment, the manual pulling cord driving mode is adopted, thereby eliminating the driving components such as the motor. In this embodiment, one end of the coiled tube is fixed to a bead disk, and the bead disk is driven by a pull ball to rotate, thereby driving the coiled tube to rotate synchronously.

Other contents of this embodiment refer to the first embodiment.

Embodiment 4: The difference between this embodiment and the first embodiment is that the driving method of the coiled tubing is different. In this embodiment, the manual rocker driving method is adopted, thereby eliminating the driving components such as the motor. The manual rocker driving method is a common technique and will not be described in detail herein.

The specific embodiments described herein are merely illustrative of the spirit of the invention. A person skilled in the art can make various modifications or additions to the specific embodiments described, or in a similar manner, without departing from the spirit of the invention or as defined by the appended claims. The scope.

Claims

claims

1. A curtain, including curtain cloth (1), window cover (5), and roll tube (6). The roll tube (6) is rotatably assembled inside the window cover (5). The curtain cloth (1) is wound around the tube (6), and the rolling tube (6) rotates to drive the curtain cloth (1) to unfold or roll up. It is characterized in that: the two ends of the window cover (5) are in each direction. The side rail (7) is fixedly connected to the bottom, and the side rail (7) has a longitudinal opening on one side facing the curtain cloth (1); a track (2) is installed longitudinally inside the side rail (7), and the side rail (7) has a longitudinal opening. The track (2) forms an opening slot (21) along the longitudinal direction. The opening of the opening slot (21) faces the curtain cloth (1) side. The upper opening of the opening slot (21) is connected with the window cover (5). The opening slot (21) is connected to the window cover (5). (21) A positioning piece is arranged longitudinally inside; the edges on both sides of the curtain cloth (1) pass through the longitudinal opening of the side rail (7) on the same side and the opening of the opening groove (21) and then extend into the opening groove (21). 21) and positioned laterally on the positioning piece.

2. The curtain according to claim 1, characterized in that: the positioning member is a guide column (3), the lower end of the guide column (3) is fixed, the upper end is a free end, and the upper end faces the window cover (5) ); The edges on both sides of the curtain cloth (1) are respectively coated with the guide posts (3) on the same side and can move up and down along the guide posts (3) driven by the roll tube (6).

3. The curtain according to claim 1, characterized in that: the positioning member is a flexible belt; the edges on both sides of the curtain cloth (1) are respectively fixedly connected to the flexible belts on the same side or the curtain cloth (1) The two sides of the edge are respectively coated with the flexible belt on the same side, and the upper end of the flexible belt is wound around the roll tube (6); the curtain cloth (1) is in an unfolded state, and the lower end of the flexible belt is fixed so that the curtain cloth

(1) Horizontal positioning; When the lower end of the flexible belt is separated from the fixed position, the rolling tube (6) can drive the curtain cloth (1) to be rolled upward.

4. The curtain according to any one of claims 1 to 3, characterized in that: the outer diameter of the positioning member is larger than the diameter of the opening of the opening groove (21) of the track (2).

5. The curtain according to any one of claims 1 to 3, characterized in that: each side edge of the curtain cloth (1) is fixedly connected to a skirt (4), and the curtain cloth (1) passes through The skirt (4) is positioned laterally on the positioning member.

6. The curtain according to claim 5, characterized in that: the curtain cloth (1) and the skirt (4) are heat-sealed and fixedly connected at a temperature of 200-400°C.

7. The curtain according to claim 5, characterized in that: the curtain cloth (1) and the skirt (4) are fixedly connected by sewing.

8. The curtain according to any one of claims 1 to 3, characterized in that a motor (9) is installed in the roller tube (6), and the motor (9) drives the roller tube (6) to rotate .

9. The curtain according to claim 2, characterized in that the lower end of the side rail (7) is fixedly connected to a side rail bulkhead (10), and a fixed block is installed on the side rail bulkhead (10).

(11); The lower end of the guide column (3) is fixed on the fixed block (11).

10. The curtain according to claim 3, characterized in that the lower end of the side rail (7) is fixedly connected to a side rail bulkhead (10), and a hook is provided on the side rail bulkhead (10); Curtain fabric (1) In the unfolded state, the lower end of the flexible belt is hooked on the hook of the side rail bulkhead (10); when the lower end of the flexible belt is separated from the hook of the side rail bulkhead (10), the coiled tube (6) can drive Roll up the curtain fabric (1).

11. The curtain according to any one of claims 1-3 or 9 and 10, characterized in that the upper end of the side rail (7) is fixedly connected to a guide cover (12), and the guide cover (12) The edge of the curtain cloth (1) can be stretched longitudinally.

12. The curtain according to any one of claims 1-3 or 9 and 10, characterized in that a buckle (14) is installed on the upper surface of the window cover (5).

13. The curtain according to claim 12, characterized in that the upper surface of the window cover (5) forms two opposite slots along the length direction, and the slots are inserted into the buckles (14). ).

14. The curtain according to claim 13, characterized in that, both ends of the window cover (5) are each covered by a bracket (22), and the upper part of the bracket (22) is folded 90 degrees, and from window covering

The end face of (5) is inserted into the slot on its upper surface; the bracket (22) rotates with the passive wheel tube plug (13).

15. The curtain according to claim 14, characterized in that a cover sheet (23) is fixed to the outer side of the bracket (22).

16. The curtain according to any one of claims 1-3 or 9 and 10, characterized in that the lower end of the curtain cloth (1) is connected to a lower rod (8) arranged laterally.

17. The curtain according to claim 16, characterized in that a rubber strip (15) is installed on the lower surface of the lower rod (8) along its length direction.

18. The curtain according to claim 17, characterized in that the lower rod (8) The lower surface forms a concave slot along the length direction, and the slot is embedded in the rubber strip.

(15), the rubber strip (15) partially protrudes from the lower surface of the lower rod (8).

19. The curtain according to claim 17, characterized in that the lower rod (8) is hollow, and both ends are sealed by an end cover (24).

20. The curtain according to claim 16, characterized in that the two ends of the lower rod (8) slide up and down after passing through the longitudinal opening of the side rail (7) and the opening of the opening groove (21) respectively. Extend into the opening slot (21), and the length of the lower rod (8) matches the distance between the guide posts (3) on both sides.

21. The curtain according to any one of claims 1-3 or 9 and 10, characterized in that one end of the rolling tube (6) is externally connected to a bead disk, and the bead disk is driven to rotate by a pull bead, This in turn drives the coil tube (6) to rotate synchronously.