CN218624008U

CN218624008U - Day and night curtain

Info

Publication number: CN218624008U
Application number: CN202222945574.9U
Authority: CN
Inventors: 姜春
Original assignee: Ningbo Senrui Electromechanical Technology Co ltd
Current assignee: Ningbo Senrui Electromechanical Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-14
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a day night curtain, it includes the upper track, connects two sets of curtain subassemblies in the upper track below and sets up the spring assembly who is used for driving two sets of curtain subassembly actions on the upper track, just two sets of curtain subassembly parallel arrangement. The utility model provides a day and night curtain which has simple structure, convenient production and lower cost.

Description

Day and night curtain

Technical Field

The utility model relates to a (window) curtain technical field especially relates to a day night curtain.

Background

The curtain has the following practical functions: shading, printing opacity shelves privacy, decoration etc. general domestic (window) curtain mainly uses about opening and shutting more, and mostly is the combination of one deck printing opacity yarn and one deck shading cloth. The light-transmitting yarn can transmit light in the daytime and protect privacy; the shading cloth can completely shade light at night, and is helpful for sleeping and resting. However, the curtain cloth combination is expensive, easy to stick dust and breed various bacteria, difficult to clean and not concise in decorative effect.

The day and night honeycomb curtain is composed of perspective yarn and shading fabric, and is in an up-and-down overlapping relationship. The functions of light transmission in the daytime to protect privacy and full shading at night to help rest are realized; the special inner hexagonal structure of the fabric also has the special functions of heat insulation and sound insulation; and after the foldable umbrella is folded in the daytime, dust cannot fall off, and the foldable umbrella is convenient to manage. Due to the particularity of the fabric, light rays are filtered by the fabric, so that the curtain is softer, warm and concise, has excellent functionality and has a good decorative effect. However, the day and night curtains in the prior art are combined up and down, so that the structure is complex, the production threading difficulty is high, the production efficiency is low, the technical requirements on production assembly and various accessories are very high, the after-sale cost is high, and the overall price is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical scheme who solves is: provides the day and night curtain which has simple structure, convenient production and lower cost.

The utility model adopts the technical proposal that: a day and night curtain comprises an upper rail, two groups of curtain components connected below the upper rail and spring components arranged on the upper rail and used for driving the two groups of curtain components to act, wherein the two groups of curtain components are arranged in parallel.

The curtain component comprises a curtain body, a pull rope and a lower beam, the lower beam is connected with the spring component through the pull rope, the curtain body is arranged between the upper rail and the lower beam, and the pull rope penetrates through the curtain body.

Preferably, the number of the spring assemblies is two, each spring assembly comprises a rope winding mechanism and a steering mechanism, the rope winding mechanisms are arranged in the middle of the upper rail, the steering mechanisms are arranged in the upper rail and symmetrically located on two sides of the rope winding mechanisms, one end of each pull rope is connected with the rope winding mechanisms, and the other end of each pull rope is connected to the curtain assembly through the steering mechanisms.

Preferably, an installation cavity is arranged in the upper rail, and the spring assembly is arranged in the installation cavity.

Preferably, the rope winding mechanism comprises a rope winding box, a main guide wheel, an auxiliary guide wheel, two wire coils and a volute spiral spring, wherein the main guide wheel, the auxiliary guide wheel, the two wire coils and the volute spiral spring are arranged in the rope winding box, the inner side end of the volute spiral spring is fixedly wound on the main guide wheel, the outer side end of the volute spiral spring is fixedly wound on the auxiliary guide wheel in a reverse direction, the bottoms of the wire coils, the main guide wheel, the auxiliary guide wheel and the wire coils are sequentially meshed for transmission, and each wire coil is used for winding and connecting a pull rope.

Preferably, the steering mechanism comprises an installation seat and a rotating shaft arranged in the installation seat, a first through hole for the stay cord to horizontally pass through is formed in one side of the installation seat, and a second through hole for the stay cord to vertically pass through is formed in the bottom of the installation seat.

Preferably, the spring assemblies are two groups, each group of spring assemblies comprises a sliding wire coil mechanism, a wire coil fixing mechanism and a spring seat mechanism used for providing restoring force for the sliding wire coil mechanism, the spring seat mechanisms and the wire coil fixing mechanisms are fixed in the upper rail, the sliding wire coil mechanisms are arranged between the wire coil fixing mechanisms and the spring seat mechanisms in a sliding mode along the length direction of the upper rail, the spring seat mechanisms and the sliding wire coil mechanisms are connected through connecting lines, the sliding wire coil mechanisms and the wire coil fixing mechanisms are connected through pull ropes, two wire through holes are symmetrically formed in the upper rail in the left-right mode, and two ends of the pull ropes penetrate through the two wire through holes respectively and penetrate through two ends of a curtain body to be connected to the lower beam.

Preferably, the sliding wire coil mechanism comprises a wire coil seat, a wire pulley, an edge pulley and a wire coil cover,

the wire pulley is rotatably connected to the wire coil base and is used for penetrating through the pull rope;

the side pulleys are respectively and rotatably connected to two sides of the wire coil base and are used for driving the wire coil base to slide in the upper rail;

the wire coil seat is combined with the wire coil cover and used for installing the wire pulley and the side pulley.

Preferably, the wire coil fixing mechanism comprises a fixing seat, a fixing pulley and a fixing cover,

the fixed pulley is rotationally connected to the fixed seat and is used for penetrating through the pull rope;

the fixing seat is fixed in the upper rail and is used for installing and fixing the pulley after being combined with the fixing cover.

Preferably, the spring seat mechanism comprises a bracket base, a first spring, a second spring, a reel and a bracket cover,

three shafts, namely a first shaft, a second shaft and a third shaft, are sequentially arranged between the bracket base and the bracket cover;

the first spring is sleeved on the first shaft, one end of the first spring is fixed on the first shaft, and the other end of the first spring is fixed on the reel;

the reel is sleeved on the second shaft, and the connecting wire is wound on the reel;

and the second spring is sleeved on the third shaft, one end of the second spring is fixed on the third shaft, and the other end of the second spring is fixed on the reel.

Compared with the prior art in the structure more than adopting, the utility model has the advantages of it is following: the two curtain components are arranged below the upper rail in parallel, namely, the up-down combination relation of the curtains is changed into the left-right combination relation, so that the effects of the day and night curtains are the same, but the structure of the curtain is simplified into the effect of a common curtain X2, the production difficulty is greatly reduced, the production and assembly become very simple, the cost is greatly reduced, and the popularization of products is facilitated.

Drawings

Fig. 1 is a schematic structural view of a day-night curtain of the present invention.

Fig. 2 is a top view of a day-night curtain according to a first embodiment of the present invention.

Fig. 3 is a side view of a day and night curtain of the first embodiment of the present invention.

Fig. 4 is an exploded view of a day-night shade according to a first embodiment of the present invention.

Fig. 5 is a schematic structural view of a second embodiment of the day and night curtain of the present invention.

Fig. 6 is a top view of a second embodiment of the day/night curtain of the present invention.

Fig. 7 is a side view of a second embodiment of the day and night curtain of the present invention.

Fig. 8 is an exploded view of a day and night shade according to a second embodiment of the present invention.

Fig. 9 is a schematic structural view of a sliding wire coil mechanism in a second embodiment of the day and night shade of the present invention.

Fig. 10 is a schematic structural view of a wire coil fixing mechanism in a second embodiment of the day and night shade of the present invention.

Fig. 11 shows a spring seat mechanism of a day and night shade according to the second embodiment of the present invention.

As shown in the figure: 1. an upper rail; 2. a curtain component; 3. a curtain body; 4. pulling a rope; 5. a lower beam; 6. a rope winding mechanism; 7. a steering mechanism; 8. a sliding wire coil mechanism; 9. a wire coil fixing mechanism; 10. a spring seat mechanism; 11. a connecting wire; 12. a wire reel seat; 13. a wire pulley; 14. a side pulley; 15. a wire coil cover; 16. a fixed seat; 17. fixing the pulley; 18. a fixed cover; 19. a bracket base; 20. a first spring; 21. a second spring; 22. coiling; 23. and (5) a bracket cover.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The first embodiment is as follows:

as shown in fig. 1, 2 and 3, a day and night curtain comprises an upper rail 1, two sets of curtain components 2 and two sets of spring components, wherein the two sets of curtain components 2 are arranged in parallel, wherein:

two mounting cavities are arranged in the upper rail 1 along the width direction and are used for mounting the spring assembly respectively;

each group of curtain components 2 comprises a curtain body 3, a pull rope 4 and a lower beam 5, the curtain bodies 3 of the two groups of curtain components 2 are all honeycomb curtains, each group of curtain components 2 is arranged below the corresponding spring component, namely the lower beam 5 of each group of curtain components 2 is arranged right below the installation cavity where the corresponding spring component is installed, the upper end of the curtain body 3 is connected with the lower end of the upper rail 1, and the lower end of the curtain body 3 is connected with the lower beam 5;

each group of spring components comprises a rope winding mechanism 6 and two steering mechanisms 7, wherein:

the rope coiling mechanism 6 comprises a rope coiling box, a main guide wheel, an auxiliary guide wheel, two wire coils and a spiral spring, wherein the main guide wheel, the auxiliary guide wheel, the two wire coils and the spiral spring are arranged in the rope coiling box, the inner side end of the spiral spring is fixedly wound on the main guide wheel, the outer side end of the spiral spring is fixedly wound on the auxiliary guide wheel in a reverse direction, the bottoms of the wire coils, the main guide wheel, the auxiliary guide wheel and the wire coils are sequentially meshed for transmission, each wire coil is used for winding and connecting a pull rope 4, when a lower beam 5 of the curtain assembly 2 is pulled down, the pull rope 4 is stretched, the spiral spring on the main guide wheel is reversely wound on the auxiliary guide wheel, and when the lower beam 5 is pushed up, the spiral spring is wound on the main guide wheel from the auxiliary guide wheel due to the fact that the elastic winding force of the inner side end of the spiral spring is larger than the outer side end, so that the spiral spring winds up the pull rope 4 in a linkage wire coil mode, and descending and ascending of the curtain assembly 2 are achieved;

the steering mechanism 7 comprises an installation seat and a rotating shaft arranged in the installation seat, wherein a first through hole for the pull rope 4 to horizontally pass through is formed in one side of the installation seat, a second through hole for the pull rope 4 to vertically pass through is formed in the bottom of the installation seat, so that one end of the pull rope 4 is connected into the rope rolling mechanism 6, and the other end of the pull rope 4 passes through the first through hole and then extends out of the second through hole around the rotating shaft to be connected onto the curtain component 2;

the two spring honeycomb curtains are combined to form the spring honeycomb curtain with the double tracks, other working principles are similar to those of a single spring honeycomb curtain, only the upper track 1 is made into the double tracks, and then the two parallel curtain assemblies 2 are arranged below the upper track, so that the function of the day and night curtain can be conveniently realized.

The second embodiment:

as shown in fig. 4, 5, and 6, the difference from the first embodiment is that the spring assembly in the second embodiment is different from the spring assembly in the first embodiment in terms of composition, but the functions are similar, the spring assembly in the second embodiment includes a sliding wire coil mechanism 8, a fixed wire coil mechanism 9, and a spring seat mechanism 10 for providing a restoring force for the sliding wire coil mechanism 8, the spring seat mechanism 10 and the fixed wire coil mechanism 9 are fixed in the upper rail 1, the sliding wire coil mechanism 8 is slidably disposed between the fixed wire coil mechanism 9 and the spring seat mechanism 10 along the length direction of the upper rail 1, the spring seat mechanism 10 and the sliding wire coil mechanism 8 are connected by a connecting wire 11, the sliding wire coil mechanism 8 and the fixed wire coil mechanism 9 are connected by a pulling rope 4, two threading holes are symmetrically formed in the upper rail 1 in the left-right direction, two ends of the pulling rope 4 respectively pass through the two threading holes and pass through the curtain body 3 to be connected to two ends of the lower beam 5, wherein:

as shown in fig. 7, the sliding wire coil mechanism 8 includes a wire coil base 12, a wire pulley 13, an edge pulley 14 and a wire coil cover 15, wherein the wire pulley 13 is rotatably connected to the wire coil base and is used for passing through the pull rope 4; four side pulleys 14 are respectively and rotatably connected to two sides of the wire coil base and used for driving the wire coil base to slide in the upper rail 1; the spool base 12 is combined with a spool cover 15 for mounting the wire pulley 13 and the side pulley 14.

As shown in fig. 8, the wire coil fixing mechanism 9 includes a fixing seat 16, a fixing pulley 17 and a fixing cover 18, wherein the fixing pulley 17 is rotatably connected to the fixing seat 16 and is used for passing through the pull rope 4; and the fixed seat 16 is fixed in the upper rail 1 and is combined with the fixed cover 18 to be used for installing the fixed pulley 17.

The pull rope 4 is wound between the wire pulley 13 and the fixed pulley 17, and then two ends of the pull rope 4 penetrate through holes on two sides of the bottom of the upper track 1 to be connected to the curtain component 2;

as shown in fig. 9, the spring seat mechanism 10 includes a support base 19, a first spring 20, a second spring 21, a reel 22 and a support cover 23, wherein three shafts, namely a first shaft, a second shaft and a third shaft, are sequentially arranged between the support base 19 and the support cover 23; the first spring 20 is sleeved on the first shaft, one end of the first spring 20 is fixed on the first shaft, and the other end of the first spring 20 is fixed on the reel 22; the reel 22 is sleeved on the second shaft, and the connecting wire 11 is wound on the reel 22; and the second spring 21 is sleeved on the third shaft, one end of the second spring 21 is fixed on the third shaft, and the other end of the second spring 21 is fixed on the reel 22.

The working principle of the embodiment is as follows: when the curtain needs to be opened, the lower beam 5 is only required to be stretched downwards, the lower beam 5 drives the pull rope 4 to be elongated, the sliding wire coil mechanism 8 slides towards the fixed wire coil mechanism 9, the pull rope 4 between the sliding wire coil mechanism 8 and the fixed wire coil mechanism 9 is shortened, the connecting line 11 between the sliding wire coil mechanism 8 and the spring seat mechanism 10 is elongated, the lower beam 5 is pulled to a proper position, the pulling can be stopped, the lower beam 5 is kept still, and the curtain is pulled open; when the curtain needs to be contracted, the lower beam 5 is pushed upwards, the connecting wire 11 pulls the sliding wire coil mechanism 8 to slide towards the spring seat mechanism 10, the pull rope 4 between the sliding wire coil mechanism 8 and the fixed wire coil mechanism 9 is stretched, and the curtain is contracted.

The two spring honeycomb curtains are combined to form the spring honeycomb curtain with the double tracks, other working principles are similar to those of a single spring honeycomb curtain, only the upper track 1 is made into the double tracks, and then the two parallel curtain components 2 are arranged below the upper track, so that the function of the day and night curtain can be conveniently realized.

Example three:

the difference from the first embodiment is that the blinds 3 in the two sets of blind assemblies 2 in the third embodiment are not all cellular blinds, but one is cellular blinds, and one is venetian blinds, and the two independent blind systems are evolved into various blind type combinations, so that the combination is not limited to the combination of the two cellular blinds in the first embodiment, and is not limited to the combination of the venetian blinds and the cellular blinds in the third embodiment.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Various alterations and modifications will no doubt become apparent to those skilled in the art after having read the above description. It is therefore intended that the appended claims be interpreted as covering all alterations and modifications as fall within the true spirit and scope of the invention. Any and all equivalent ranges and contents within the scope of the claims should be considered to be within the intent and scope of the present invention.

Claims

1. A day and night curtain, characterized in that: the curtain rail comprises an upper rail (1), two groups of curtain components (2) connected below the upper rail (1) and spring components arranged on the upper rail (1) and used for driving the two groups of curtain components (2) to act, wherein the two groups of curtain components (2) are arranged in parallel.

2. A day-and-night shade as defined in claim 1, wherein: the curtain component (2) comprises a curtain body (3), a pull rope (4) and a lower beam (5), the lower beam (5) is connected with the spring component through the pull rope (4), the curtain body (3) is arranged between the upper rail (1) and the lower beam (5), and the pull rope (4) penetrates through the curtain body (3).

3. A day-and-night shade as defined in claim 2, wherein: an installation cavity is arranged in the upper rail, and the spring assembly is arranged in the installation cavity.

4. A day-and-night shade as defined in claim 3, wherein: the curtain rod is characterized in that the spring assemblies are two groups, each group of spring assemblies comprises a rope winding mechanism (6) and a steering mechanism (7), the rope winding mechanisms (6) are arranged in the middle of the upper rail (1), the steering mechanisms (7) are arranged in the upper rail (1) and are symmetrically arranged on two sides of the rope winding mechanisms (6), one end of the pull rope (4) is connected with the rope winding mechanisms (6), and the other end of the pull rope (4) is connected to the curtain assembly (2) through the steering mechanism (7).

5. A day-and-night shade as defined in claim 4, wherein: the rope coiling mechanism (6) comprises a rope coiling box, a main guide wheel, an auxiliary guide wheel, two wire coils and a volute spiral spring, wherein the main guide wheel, the auxiliary guide wheel, the two wire coils and the volute spiral spring are arranged in the rope coiling box, the inner side end of the volute spiral spring is fixedly wound on the main guide wheel, the outer side end of the volute spiral spring is fixedly wound on the auxiliary guide wheel in a reverse direction, the bottoms of the wire coils, the main guide wheel, the auxiliary guide wheel and the wire coils are sequentially meshed for transmission, and each wire coil is provided with a pull rope (4) for winding connection.

6. A day-and-night shade as defined in claim 4, wherein: the steering mechanism (7) comprises a mounting seat and a rotating shaft arranged in the mounting seat, a first through hole for the pull rope (4) to horizontally pass through is formed in one side of the mounting seat, and a second through hole for the pull rope (4) to vertically pass through is formed in the bottom of the mounting seat.

7. A day-and-night shade as defined in claim 3, wherein: the spring assembly is two sets of, and every group spring assembly includes slip drum mechanism (8), fixed drum mechanism (9) and is used for providing spring seat mechanism (10) of restoring force for slip drum mechanism (8), spring seat mechanism (10) and fixed drum mechanism (9) are fixed in last track (1), slip drum mechanism (8) slide along last track (1) length direction and set up between fixed drum mechanism (9) and spring seat mechanism (10), be connected through connecting wire (11) between spring seat mechanism (10) and slip drum mechanism (8), be connected through stay cord (4) between slip drum mechanism (8) and the fixed drum mechanism (9), two through wires holes have been seted up to last track (1) interior bilateral symmetry, the both ends of stay cord (4) are passed two through the through wires hole respectively and are run through curtain body (3) and are connected to the both ends of underbeam (5).

8. A day and night shade as defined in claim 7, wherein: the sliding wire coil mechanism (8) comprises a wire coil seat (12), a wire pulley (13), an edge pulley (14) and a wire coil cover (15),

the wire pulley (13) is rotatably connected to the wire coil base and is used for penetrating through the pull rope (4);

the side pulleys (14) are respectively and rotatably connected to two sides of the wire coil base and are used for driving the wire coil base to slide in the upper rail (1);

the wire coil base (12) is combined with the wire coil cover (15) and used for installing the wire pulley (13) and the side pulley (14).

9. A day and night shade as defined in claim 7, wherein: the wire coil fixing mechanism (9) comprises a fixed seat (16), a fixed pulley (17) and a fixed cover (18),

the fixed pulley (17) is rotationally connected to the fixed seat (16) and is used for penetrating through the pull rope (4);

and the fixed seat (16) is fixed in the upper rail (1) and is combined with the fixed cover (18) to be used for installing the fixed pulley (17).

10. A day-and-night shade as defined in claim 7, wherein: the spring seat mechanism (10) comprises a bracket base (19), a first spring (20), a second spring (21), a reel (22) and a bracket cover (23),

three shafts, namely a first shaft, a second shaft and a third shaft, are sequentially arranged between the support base (19) and the support cover (23);

the first spring (20) is sleeved on the first shaft, one end of the first spring (20) is fixed on the first shaft, and the other end of the first spring (20) is fixed on the reel (22);

the reel (22) is sleeved on the second shaft, and the connecting wire (11) is wound on the reel (22);

and the second spring (21) is sleeved on the third shaft, one end of the second spring (21) is fixed on the third shaft, and the other end of the second spring (21) is fixed on the reel (22).