CN115476656A - Rolling device - Google Patents

Abstract

The invention relates to a rolling device which is used for being arranged in a frame body with a window, and comprises a rolling curtain, two spiral strips and a driving mechanism, wherein the rolling curtain is arranged at one side end of the window of the frame body, the rolling curtain is provided with a cloth curtain scroll and a cloth curtain connected with the cloth curtain scroll, the guiding edges at two opposite sides of the cloth curtain can respectively move in the guide rails at two opposite sides of the frame body, the guiding edges are provided with a plurality of guiding through holes which are arranged in a straight line at equal intervals, the two spiral strips are respectively arranged in the two guide rails of the frame body, the driving mechanism can drive the two spiral strips to synchronously rotate in the positive direction and the reverse direction, the two spiral strips which are driven to rotate can change the positions of the guiding through holes which are spirally arranged at the two guiding edges of the cloth curtain to drive the cloth curtain to unfold or fold, and the guiding edges of the cloth curtain are connected by the spiral strips arranged in the guide rails to prevent the guiding edges of the cloth curtain from separating from the guide rails.

Description

Rolling device

Technical Field

The present invention relates to a roller blind assembly, and more particularly to a roller blind assembly which can be installed in a window or a sunroof of a motor vehicle to provide a sunshade function.

Background

The electric roller shutter device is arranged at a window or a skylight of the motor vehicle, a frame body is arranged at the inner side of the window or the inner side of the skylight, the frame body is provided with two parallel guide rails, the two guide rails are respectively arranged at two opposite sides of the window or the skylight, the electric roller shutter device comprises a roller shutter and a driving component, the roller shutter is provided with a cloth curtain and a cloth curtain reel capable of automatically rolling the cloth curtain, the cloth curtain reel is arranged at the outer side of the window of the frame body, the driving component is provided with a driving part capable of being driven by a motor, the driving part is connected with a movable edge of the cloth curtain, and the driving component can drive the cloth curtain to unfold and fold by a driving arm driven by the motor.

In order to make the curtain fabric smoothly move in the process of unfolding and folding and make the curtain fabric supported by the frame body after the curtain fabric is unfolded, the conventional curtain rolling device is provided with a hard guide edge respectively on the long edges of the two sides of the curtain fabric, the curtain rolling device can move along the guide rail by means of the hard guide edge, and the hard guide edge is positioned in the curtain fabric guide groove of the guide rail and is limited, so that the long edges of the two sides of the curtain fabric are supported by the guide rail, and the long edges of the two sides of the curtain fabric are prevented from being separated from the guide rail.

In the aforementioned conventional roller blind apparatus, the hard guide edges on the two long sides of the fabric curtain are retained in the fabric curtain guide grooves of the guide rail, so that the purpose of preventing the two long sides of the fabric curtain from separating from the guide rail is achieved. However, the hard guide edges on the two long sides of the cloth curtain have certain hardness but still have flexibility due to the requirement of the cloth curtain to be wound on the cloth curtain reel, so when the cloth curtain is pulled and unfolded, the hard guide edges on the two long sides of the cloth curtain move along the guide rail, and the hard guide edges still can be separated from the guide rail. In particular, the curtain with a larger area is easy to separate the hard guide edge from the guide rail because the unfolded curtain hangs down due to the self weight, and further improvement is needed.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a roll up curtain device, solve the problem that the stereoplasm guide limit on the long limit of the cloth curtain both sides of current roll up curtain device prevents to take off the performance of guide rail not enough.

The technical solution proposed by the invention is as follows: the utility model provides a roll up curtain device, it is arranged in a framework that has the window, should roll up curtain device and include a roll up curtain, should roll up the curtain and have a cloth curtain reel and connect a cloth curtain of this cloth curtain reel, two guide edges of this cloth curtain can move along two guide rails of the relative both sides of this window respectively, wherein:

the two guide edges of the cloth curtain are respectively provided with a plurality of guide through holes which are parallel to the length direction of the guide rail and are arranged in a straight line at equal intervals;

the rolling curtain device comprises two spiral strips and a driving mechanism, the two spiral strips are respectively arranged in the two guide rails, the two spiral strips respectively and spirally penetrate through the guide through holes on the two guide edges of the cloth curtain, the driving mechanism is connected with the two spiral strips and can drive the two spiral strips to rotate in the forward direction and the reverse direction, and the two spiral strips can synchronously change the length of the two guide edges in a screwed mode to drive the cloth curtain to unfold and fold.

In the above-mentioned roller shutter device, the driving mechanism and the curtain roller are respectively installed at two opposite side ends of the frame body along the guide rail, one end of the spiral strip facing the curtain roller is a spiral head end, the other end of the spiral strip is a connecting end, the two spiral strips are connected with the driving mechanism through the connecting end, and the spiral head ends of the two spiral strips can be sequentially screwed into or screwed out of the guiding through hole of the guiding edge.

In the above-described roll screen device, the diameter of the spiral strip is smaller than the diameter of the guide through hole, and the pitch of the spiral strip is equal to the center distance between every two adjacent guide through holes.

In the above-mentioned roller blind apparatus, the driving mechanism has two motors, and each of the motors is connected to a connecting end of one of the spiral strips.

In the above-mentioned roller shutter device, the driving mechanism has a motor and a gear train transmission assembly connected to the motor, and the gear train transmission assembly is connected to the connecting ends of the two spiral strips.

In the above-mentioned rolling device, the cloth curtain has a movable edge strip capable of moving along the two guide rails; the rolling device also comprises a cloth curtain auxiliary unfolding mechanism, the cloth curtain auxiliary unfolding mechanism is connected with the movable edge strip, and when the cloth curtain is unfolded, the cloth curtain auxiliary unfolding mechanism provides force for pulling the cloth curtain.

In the roller blind apparatus described above, the auxiliary fabric curtain unfolding mechanism includes a wire winding shaft, at least one flexible wire, and an auxiliary motor, the wire winding shaft is rotatably mounted at the other side end of the window opposite to the fabric curtain winding shaft, two ends of the flexible wire are respectively connected to the wire winding shaft and the movable edge strip, the auxiliary motor is connected to the wire winding shaft, and the auxiliary motor can drive the wire winding shaft to rotate forward and backward, and can drive the fabric curtain to unfold and fold in an auxiliary manner through the flexible wire.

In the above-mentioned rolling device, the rolling device has a cloth curtain support rod, the cloth curtain support rod is disposed on the frame body and located between the window and the cloth curtain scroll, and the cloth curtain extends from the cloth curtain scroll and bypasses the cloth curtain support rod, and then the two spiral strips are screwed together.

In the above rolling shutter device, the fabric curtain has a soft fabric material, the guiding edge has a glue body fixed on the long edge of the soft fabric material by hot pressing, and the guiding through hole passes through the long edge of the soft fabric material and the glue body fixed on the long edge.

In the rolling shutter device, the curtain has a soft cloth material, the guiding edge has a film fixedly connected to the long edge of the soft cloth material, and the guiding through hole passes through the long edge of the soft cloth material and the film fixedly arranged on the long edge.

The curtain rolling device has the advantages that the spiral strips respectively arranged in the two guide rails of the frame body are screwed with the cloth curtain and are provided with the two guide edges of the guide through holes, the spiral strips are limited in the guide rails, the two spiral strips driven by the driving mechanism to rotate can change the positions of the guide through holes which are spirally arranged on the two guide edges of the cloth curtain to drive the cloth curtain to be unfolded or folded, and the spiral strips in the guide rails are connected with the guide edges of the cloth curtain to effectively prevent the guide edges of the cloth curtain from being separated from the guide rails.

The rolling device can also be additionally provided with a cloth curtain auxiliary unfolding mechanism which is connected with the movable edge strip of the cloth curtain, and in the process of unfolding the cloth curtain, the cloth curtain auxiliary unfolding mechanism provides auxiliary force for pulling the cloth curtain to unfold so as to offset part of the rolling force of the cloth curtain scroll on the cloth curtain, so that the two spiral strips which are driven to rotate move the cloth curtain to unfold more smoothly.

The rolling device can also add a support rod between the window and the cloth curtain scroll in the frame body, so that the cloth curtain pulled out from the cloth curtain scroll can be leveled by the support rod and then enters the guide rail to be screwed by the spiral strips, thereby the cloth curtain can be leveled into two spiral strips to drive the cloth curtain to be unfolded and folded.

Drawings

Fig. 1 is a perspective view of a rolling shutter device according to a preferred embodiment of the present invention, wherein the cloth curtain is in a folded state.

Fig. 2 is a perspective view of a rolling shutter device according to another preferred embodiment of the present invention, wherein the cloth curtain is in a retracted state.

Fig. 3 is a schematic sectional view of a preferred embodiment of the leading edge of the cloth curtain in the roll screen apparatus of the present invention.

Fig. 4 is a schematic sectional view of another preferred embodiment of the leading edge of the cloth curtain in the roll blind apparatus of the present invention.

Fig. 5 is a partial sectional view of the leading edge of the curtain screwed by the spiral strips in the guide rail in the preferred embodiment of the rolling blind apparatus of the present invention.

Fig. 6 is a partial perspective view of the leading edge of the curtain screwed by the spiral strip in the guide rail according to the preferred embodiment of the rolling shutter device of the present invention.

Fig. 7 is a partial perspective view of a spiral strip moving curtain in a guide rail according to a preferred embodiment of the rolling shutter device of the present invention.

Fig. 8 is a perspective view illustrating the preferred embodiment of the roll screen device shown in fig. 1 in a state where the cloth screen is unfolded.

Fig. 9 is a perspective view of a cloth curtain in a retracted state according to another preferred embodiment of the rolling shutter device of the present invention.

Fig. 10 is a perspective view of the rolling shutter device shown in fig. 9, in a retracted state.

Description of reference numerals:

1: frame body

101: first side

102: second side

11: window opening

12: guide rail

121: cloth curtain guide groove

2: rolling device

20: rolling screen

21: cloth curtain scroll

22: cloth curtain

220: soft cloth material

2201: long side

221: guide edge

221a: colloid

221b: film and method for producing the same

222: guide perforation

223: movable edge strip

23: support rod

30: spiral strip

31: screw head end

32: connecting end

40: driving mechanism

41: motor with a stator and a rotor

42: gear train transmission assembly

50: auxiliary unfolding mechanism for cloth curtain

51: wire winding shaft

52: flexible wire

53: an auxiliary motor.

Detailed Description

The technical means adopted by the invention to achieve the preset purpose are further described below by combining the accompanying drawings and the preferred embodiments of the invention.

The roller shutter device is suitable for a car window sunshade curtain or a skylight sunshade curtain of a motor vehicle or other products with the opening and closing functions provided by cloth curtains. Referring to fig. 1 and 2, two preferred embodiments of the rolling blind apparatus 2 of the present invention are disclosed, the rolling blind apparatus 2 is configured to be installed in a frame 1 having a window 11, the frame 1 can be installed in a body of a motor vehicle and located at a side of the window or a sunroof, an axial direction is defined in the window 11 of the frame 1, two opposite sides of the frame 1 along the axial direction are respectively a first side 101 and a second side 102, the frame 1 has a guide rail 12 at two opposite sides of the window 11 parallel to the axial direction, that is, the length direction of the guide rail 12 is parallel to the axial direction, each of the guide rails 12 has a curtain guide slot 121 with an opening facing the window 11, and the width of the opening of the curtain guide slot 121 is smaller than the width of the inner space of the curtain guide slot 121. The structure of the frame 1 and the guide rails 12 thereof belongs to the prior art, and will not be described herein.

As shown in fig. 1 and 2, the rolling shutter device 2 includes a rolling shutter 20, two spiral bars 30 and a driving mechanism 40. The rolling blind 20 includes a rolling blind shaft 21 and a rolling blind 22, the rolling blind shaft 21 includes a shaft tube and a rolling receiver installed in the shaft tube, and the rolling blind shaft 21 is a conventional product. The cloth curtain scroll 21 can be rotatably installed on the first side 101 of the frame 1, one side end of the cloth curtain 22 is connected with the cloth curtain scroll 21, the other side end of the cloth curtain 22 is provided with a movable edge strip 223, the cloth curtain 22 can be automatically wound on the cloth curtain scroll 21 for folding, the cloth curtain 22 can be pulled out and unfolded from the cloth curtain scroll 21, two opposite side edges of the cloth curtain 22 parallel to the axial direction are respectively a guiding edge 221, when the cloth curtain 22 is unfolded and folded, the two guiding edges 221 can respectively extend into the cloth curtain guide grooves 121 of the guide rails 12 corresponding to the positions and can move along the guide rails 12, and the two guiding edges 221 are respectively provided with a plurality of guiding through holes 222 which are arranged in a straight line at equal intervals along the axial direction.

As shown in fig. 3, the cloth curtain 22 may be made of a soft cloth 220 such as a random cloth or other woven cloth, the guiding edge 221 of the cloth curtain 22 has a colloid 221a fixed to the soft cloth 220 in a hot-pressing manner and parallel to the long edge 2201 of the axial direction, and the guiding through hole 222 passes through the long edge 2201 of the soft cloth 220 and the colloid 221a fixed to the long edge 2201. Alternatively, as shown in fig. 4, the guiding edge 221 has a film 221b fixedly attached to the long side 2201 of the soft cloth 220 parallel to the axial direction by adhesion or sewing, and the guiding through hole 222 passes through the long side 2201 of the soft cloth 220 and the film 221b fixedly attached to the long side 2201. The leading edge 221 of the cloth curtain 22 has appropriate hardness and bending elasticity by the leading edge 221 of the colloid 221a or the film 221b combined with the long edge 2201 of the soft cloth material 220, so that both the soft cloth material 220 and the leading edge 221 of the cloth curtain 22 can be wound on the cloth curtain reel 21, and the long edge 2201 of the soft cloth material 220 is combined with the colloid 221a or the film 221b, so that the cloth curtain has good anti-shedding performance and good wear resistance.

As shown in fig. 1, 2, 5 and 6, the two spiral strips 30 are respectively installed in the two guide rails 12, and the two spiral strips 30 respectively spirally pass through the guiding through holes 222 of the two guiding edges 221 of the cloth curtain 22, and the two spiral strips 30 can be synchronously driven to rotate to change the length of the two guiding edges 221 spirally arranged on the cloth curtain 22, so as to drive the cloth curtain 22 to unfold and fold. Wherein, two spiral strips are defined to drive the cloth curtain 22 to move towards the unfolding direction as a forward rotation, and two spiral strips drive the cloth curtain 22 to move towards the folding direction as a reverse rotation. It should be further noted that the two spiral strips 30 are respectively screwed to the two guiding edges 221 on the two opposite sides of the cloth curtain 22, so that the two spiral strips 30 are synchronously driven to rotate in the forward direction (rotate in the reverse direction), that is, when the forward rotation of one spiral strip 30 is clockwise, the forward rotation of the other spiral strip 30 is counterclockwise, and then the two guiding edges 221 of the cloth curtain 22 are synchronously driven to move in the same direction; similarly, when the reverse rotation of one helical strip 30 is counterclockwise, the reverse rotation of the other helical strip 30 is clockwise.

In the foregoing, one end of each of the two spiral strips 30 has a spiral head 31, the other end of each of the two spiral strips 30 is a connection end 32, the spiral head 31 is located at one end of the spiral strip 30 adjacent to the curtain winding shaft 21 and is a free end, the connection end 32 is located at the other end of the spiral strip 30 away from the curtain winding shaft 21 and extends out of the guide rail 12, the connection end 32 is located at a center line of the spiral strip 30, the two spiral strips 30 can be driven to synchronously rotate in the forward direction and the reverse direction, wherein the curtain 22 is unfolded by screwing the spiral head 31 into the next guide through hole 222 in the guide edge 221 of the curtain 22 from one guide through hole 222 in the guide edge 221 through the forward rotation of the two spiral strips 30, and the curtain 22 is folded by automatically rolling the curtain winding shaft 21 and sequentially separating the spiral head 31 from the guide through hole 222 in the guide edge 221 of the curtain 22.

As shown in fig. 5 and 6, in the preferred embodiment, the diameter of the spiral strip 30 is smaller than the diameter of the guiding through hole 222, and the pitch of the spiral strip 30 is equal to the center distance between every two adjacent guiding through holes 222, so that the spiral strip 30 can easily pass through the guiding through hole 222 of the cloth curtain 22 and be separated from the guiding through hole 222.

As shown in fig. 1 and 2, the driving mechanism 40 is installed on the second side 102 of the frame 1, so that the driving mechanism 40 and the curtain winding shaft 21 are respectively located on two opposite sides of the frame 1 along the axial direction, the driving mechanism 40 is connected to the connecting ends 32 of the two spiral strips 30 and can drive the two spiral strips 30 to synchronously rotate in the forward direction and in the reverse direction, the spiral ends 31 of the two spiral strips 30 rotating synchronously can be sequentially screwed into the guiding through holes 222 of the guiding edges 221 or screwed out of the guiding through holes 222, and further the length of the two guiding edges 221 is changed to drive the curtain 22 to be unfolded and folded.

As shown in fig. 1, the driving mechanism 40 may have two motors 41, and each motor 41 is connected to the connecting end 32 of one of the spiral bars 30. Alternatively, as shown in fig. 2, the driving mechanism 40 has a motor 41 and a gear train transmission assembly 42 connected to the motor 41, and the gear train transmission assembly 42 is connected to the connecting end 32 of the two spiral bars 30, instead of the two motors 42 respectively driving the two spiral bars 30, the gear train transmission assembly 42 may be a pulley set or other equivalent gear train transmission assembly.

As shown in fig. 1, 5, 6 and 7, when the cloth curtain 22 is wound up, the cloth curtain 22 is wound around the cloth curtain reel 21, and the window 11 of the housing 1 is in a non-shielding state in the use state of the rolling device 2. When the cloth curtain 22 is unfolded, the driving mechanism 40 drives the two spiral strips 30 to synchronously rotate in the forward direction, and the spiral heads 31 of the two spiral strips 30 are screwed into the next guiding through hole 222 from one guiding through hole 222 in the guiding edge 221 of the cloth curtain 22, so that the spiral strips 30 are increased in length of the screwed guiding edge 221, and the cloth curtain 22 is driven to be unfolded to shield the window 11 of the frame body 1.

As shown in fig. 1, 5, 6 and 7, during folding, the driving mechanism 40 drives the two spiral strips 30 to rotate in opposite directions, so that the spiral ends 31 sequentially disengage from the guiding through holes 222 in the guiding edge 221 of the curtain 22, and the curtain 22 is gradually wound around the curtain reel 21 to a folded state under the action of the curtain reel 21 automatically winding the curtain 22.

In the preferred embodiment shown in fig. 1 and 7, the rolling blind device 2 can further add a support rod 23 between the window 11 and the blind roller 21 of the frame 1, so that the blind 22 of the rolling blind 20 extends from the blind roller 21, passes through the support rod 23 to be leveled, then extends into the guide rail 12 and is screwed with the two spiral strips 30. Therefore, the cloth curtain 22 can be flatly unfolded and folded by the two spiral strips 30.

The aforementioned combination structure of the two spiral strips 30 driven by the driving mechanism 40 screwed with the guiding through holes 222 of the two guiding edges 221 of the cloth curtain 22, together with the cloth curtain roller 21 connected with the cloth curtain 22, is enough to make the cloth curtain 22 perform the functions of unfolding and folding. As shown in fig. 8 and 9, the rolling device 2 may further include a curtain auxiliary unfolding mechanism 50, the curtain auxiliary unfolding mechanism 50 is connected to the movable edge strip 223 of the curtain 22, and during the unfolding process of the curtain 22, the curtain auxiliary unfolding mechanism 50 provides an auxiliary force for pulling the curtain 22 to unfold so as to offset a part of the winding force of the curtain winding shaft 21 on the curtain 22, so that the two spiral strips 30 driven to rotate drive the curtain 22 to unfold more smoothly.

As shown in fig. 8 and 9, in the preferred embodiment, the auxiliary cloth curtain unrolling mechanism 50 includes a wire winding shaft 51, at least one flexible wire 52 and an auxiliary motor 53, the wire winding shaft 51 is rotatably installed on the second side 102 of the frame 1, two ends of the flexible wire 52 are respectively connected to the wire winding shaft 51 and the movable edge 223, in the preferred embodiment shown in the figure, two flexible wires 52 are connected to the wire winding shaft 51 and the movable edge 223 in parallel at intervals to provide balanced force to the movable edge 223, the auxiliary motor 53 is connected to the wire winding shaft 51, and the auxiliary motor 53 can drive the wire winding shaft 51 to rotate forward and backward, so that the rotating wire winding shaft 51 can wind and release the flexible wire 52. When the wire winding shaft 51 rotates in the forward direction, the flexible wire 52 is wound to apply a pulling force to the movable edge strip 223 of the cloth curtain 22 to assist the two spiral strips 30 to pull the cloth curtain 22 to be unfolded, and when the wire winding shaft 51 rotates in the reverse direction, the wire winding shaft 51 releases the flexible wire 52, so that the cloth curtain 22 is automatically folded under the winding force of the cloth curtain winding shaft 21.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a roll up curtain device, its is arranged in installing a framework that has the window, should roll up curtain device and include a roll curtain, should roll up the curtain and have a cloth curtain spool and connect a cloth curtain of this cloth curtain spool, two guide limits of this cloth curtain can move along two guide rails of the relative both sides of this window respectively, its characterized in that:

the two guide edges of the cloth curtain are respectively provided with a plurality of guide through holes which are parallel to the length direction of the guide rail and are arranged in a straight line at equal intervals;

the rolling curtain device comprises two spiral strips and a driving mechanism, the two spiral strips are respectively arranged in the two guide rails, the two spiral strips respectively and spirally penetrate through the guide through holes on the two guide edges of the cloth curtain, the driving mechanism is connected with the two spiral strips and can drive the two spiral strips to rotate in the forward direction and the reverse direction, and the two spiral strips can synchronously change the length of the two guide edges in a screwed mode to drive the cloth curtain to unfold and fold.

2. The rolling shutter device according to claim 1, wherein the driving mechanism and the curtain roller are respectively installed at two opposite ends of the frame along the guide rail, one end of the spiral strip facing the curtain roller is a spiral head, the other end of the spiral strip is a connection end, the two spiral strips are connected to the driving mechanism through the connection end, and the spiral heads of the two spiral strips can be sequentially screwed into or screwed out of the guiding through hole of the guiding edge.

3. The rolling shutter device according to claim 2, wherein the diameter of the spiral strip is smaller than the diameter of the guide perforations, and the pitch of the spiral strip is equal to the center distance between every two adjacent guide perforations.

4. The roller shade device according to claim 2, wherein the driving mechanism has two motors, each of which is connected to a corresponding connection end of one of the spiral strips.

5. The roller shutter device according to claim 2, wherein the driving mechanism has a motor and a gear train transmission member connected to the motor, the gear train transmission member connecting the connecting ends of the two spiral bars.

6. The blind apparatus of any one of claims 1 to 5 wherein the curtain has a movable edge bar movable along the two guide rails; the rolling device also comprises a cloth curtain auxiliary unfolding mechanism, the cloth curtain auxiliary unfolding mechanism is connected with the movable edge strip, and when the cloth curtain is unfolded, the cloth curtain auxiliary unfolding mechanism provides force for pulling the cloth curtain.

7. The rolling shutter device according to claim 6, wherein the auxiliary curtain-unfolding mechanism includes a wire-winding shaft rotatably mounted at the other side of the window opposite to the curtain-winding shaft, at least one flexible wire connected at its two ends to the wire-winding shaft and the movable edge strip, and an auxiliary motor connected to the wire-winding shaft and capable of driving the wire-winding shaft to rotate forward and backward and driving the curtain to unfold and fold in an auxiliary manner via the flexible wire.

8. The rolling shutter device according to any one of claims 1 to 5, wherein the rolling shutter device has a curtain support rod disposed on the frame and between the window and the curtain roller, the curtain extending from the curtain roller and passing around the curtain support rod to screw the two spiral strips.

9. The rolling shutter device according to any one of claims 1 to 5, wherein the curtain comprises a soft cloth, the guiding edge comprises a glue body thermally pressed and fixed on the long side of the soft cloth, and the guiding through hole passes through the long side of the soft cloth and the glue body fixing the long side.

10. The rolling shutter device according to any one of claims 1 to 5, wherein the curtain is made of soft cloth, the guiding edge has a film fixedly connected to the long side of the soft cloth, and the guiding perforation passes through the long side of the soft cloth and the film fixedly connected to the long side.

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