WO2023279638A1

WO2023279638A1 - Foldable seamless shielding curtain

Info

Publication number: WO2023279638A1
Application number: PCT/CN2021/134755
Authority: WO
Inventors: 刘奎
Original assignee: 昆山誉球模塑有限公司
Priority date: 2021-07-09
Filing date: 2021-12-01
Publication date: 2023-01-12
Also published as: CN113352992B; CN113352992A

Abstract

The present invention provides a foldable seamless shielding curtain which is easy to use, seamless combination between two curtain bodies is ensured, and the shielding performance is ensured. The structure is simple, and the manufacturing cost is reduced. The foldable seamless shielding curtain comprises: a first curtain assembly which comprises a first curtain fabric, a first outer end cover, a first inner end cover, a first outer pipe and a first inner pipe set, the first inner pipe set driving the first curtain fabric to be wound or rolled up; and a second curtain assembly which comprises a second curtain fabric, a second outer end cover, a second inner end cover, a second outer pipe and a second inner pipe set, the second inner pipe set driving the second curtain fabric to be wound or rolled up. The first inner end cover and the second inner end cover are pivotally connected by means of a rotating shaft to form a rotating structure. In an unfolded state, the length directions of the first inner end cover and the second inner end cover are arranged in a linear state. In the unfolded state, the opposite splicing faces of the first inner end cover and the second inner end cover form a concave-convex structure for splicing and positioning, and the first inner pipe set and the second outer pipe set are arranged in the same horizontal plane state.

Description

foldable seamless curtains

technical field

The invention relates to the technical field of shade structures, in particular to a foldable seamless shade.

Background technique

Curtains are used in automotive interiors, integrating aesthetics and practical functions. At present, there are foldable curtain structures on the market. "Mechanism", which uses the zipper structure to form a seamless structure of the two curtains after being assembled. In actual use, the above structure needs to be manually zippered and aligned, which is relatively cumbersome to use, and the production cost of the overall mechanism is high; In addition, Since the zipper structure is easily damaged, there will be leaks between the two curtain bodies after the zipper is damaged, which will affect the covering performance of the covering curtain.

Contents of the invention

In view of the above problems, the present invention provides a foldable seamless shade, which is easy to use, ensures the seamless combination between the two shades, and guarantees the shade performance; and has a simple structure and reduces the production cost.

The foldable seamless shade is characterized in that it comprises:

The first curtain assembly includes a first curtain, a first outer end cap, a first inner end cap, a first outer tube, and a first inner tube group, and the first inner tube group drives the first curtain to wind or roll receive;

The second curtain assembly includes a second curtain, a second outer end cap, a second inner end cap, a second outer tube, and a second inner tube group, and the second inner tube group drives the second curtain to wind or roll receive;

The first inner end cap and the second inner end cap are pivotally connected by a rotating shaft to form a revolving structure, and in the unfolded state, the length directions of the first inner end cap and the second inner end cap are arranged in a straight line;

In the unfolded state, the facing joint surfaces of the first inner end cap and the second inner end cap form a concavo-convex structure and are positioned together, the first inner tube group and the second outer tube group are arranged on the same horizontal plane, and the first inner tube group is arranged on the same horizontal plane. An inner tube group is arranged at the front position of the second outer tube group deployed toward the curtain, and the first inner tube group and the second inner tube group have a partial spatial overlapping area at the opposite ends in the length direction of the two;

In the unfolded state, the inner curtain of the second curtain is arranged directly above the inner side of the first curtain to form a stacking area, and the covering width W of the stacking area is such that there is no visible seam after the curtain is fully unfolded.

It is further characterized by:

Preferably, a first side convex structure is provided at the front end of the facing joint surface of the first inner end cover, and a profiling is provided at a position corresponding to the first side convex structure on the opposite joint surface of the second inner end cover. the first inner groove, the opposite inner end of the length direction of the first inner tube group extends into the inner cavity of the side convex part of the first side convex structure, and the opposite inner end of the length direction of the second inner tube group extends To the location area of the facing splicing surface of the second inner end cap, it forms a partial space overlapping area in the length direction through the opposite lateral protrusion of the first inner tube group relative to the length direction of the second inner tube group;

Preferably, a second side convex structure is provided at the rear end of the facing joint surface of the second inner end cover, and a simulated side convex structure is provided at a position corresponding to the second side convex structure on the opposite joint surface of the first inner end cover. Shaped second inner groove, the opposite inner end of the length direction of the second inner tube group extends into the inner cavity of the side convex part of the second side convex structure, and the opposite inner end of the length direction of the first inner tube group Extending to the location area of the facing splicing surface of the first inner end cap, which forms a partial spatial overlapping area in the length direction through the opposite lateral protrusion of the second inner tube group relative to the length direction of the first inner tube group;

It is further characterized by:

The inner end faces of the first inner end cap and the second inner end cap are respectively provided with positioning protrusions of the inner tube group, and the positioning protrusions of the inner tube group are arranged outside the covering area of the corresponding cord, and the inner tube group The positioning protrusion has a built-in central axis positioning cavity, and the central axis of the inner end of the corresponding inner tube group is inserted into the central axis positioning cavity, which makes the width direction inner side of the first curtain cover to the first inner tube set Corresponding to the position of the side outer roller, the inner side of the second curtain in the width direction covers the position of the corresponding side outer roller of the second inner tube group, so that the width cut-off position of the inner side of the curtain is flush with that of the inner outer roller of the corresponding inner tube group The cut-off position makes the whole structure layout convenient and reliable;

The outer rollers of the first inner tube group and the second inner tube group rotate freely relative to the corresponding central axis, and the axial direction of the outer roller relative to the central axis during the unwinding or winding process of the first cord and the second cord Perform displacement compensation adjustment to ensure that there is no gap when the first curtain and the second curtain are unfolded synchronously;

Correspondingly, the inner end cover is provided with a concave avoidance slot corresponding to the position of the positioning protrusion of the inner tube group, so as to ensure the smooth assembly of the structure;

It also includes an inner end cap locking cover, which is used to lock the first inner end cap and the second inner end cap in the unfolded state;

The first curtain assembly also includes a first side plug tube and a first inner pull handle, a first side plug tube is provided at the end area of the first curtain unfolding direction, and a first side plug tube is provided on the inner side of the first side plug tube. The first inner pull handle; the second curtain assembly also includes a second edge plug tube and a second inner pull handle, and a second edge plug tube is provided at the end area of the second curtain unfolding direction, and the second edge plug tube The inner side is provided with a second inner handle;

It also includes a handle fixing cover, and the handle fixing cover is used to lock and attach the first inner handle and the second inner handle in the unfolded state.

After the above technical solution is adopted, the first inner tube group and the second outer tube group are arranged front and back, and there is a partial space overlapping area in the axial direction, so that the inner side areas of the first curtain and the second curtain have a stacking area that overlaps up and down , when the overall expansion of the curtain is driven by an external pull handle or power, the overlapping area of the first curtain and the second curtain completely covers the gap, ensuring the covering performance of the curtain; and because the gap between the first curtain and the second curtain is There is no physical connection structure, so that the disassembly and assembly of the entire covering curtain is convenient and quick; it is easy to use, and ensures the seamless combination between the two curtain bodies, ensuring the covering performance; and its simple structure reduces the production cost.

Description of drawings

Fig. 1 is the perspective view structural representation (expanded state) of the specific embodiment of the present invention;

Fig. 2 is the perspective view of the assembly of two inner end caps and the inner tube group of the specific embodiment of the present invention;

Fig. 3 is a three-dimensional exploded view of a specific embodiment of the present invention;

Fig. 4 is the assembly schematic diagram of two inner end caps of the specific embodiment of the present invention;

Fig. 5 is a schematic cross-sectional view of A-A of Fig. 1;

The names corresponding to the serial numbers in the figure are as follows:

Left curtain assembly 100, left curtain fabric 11, left outer end cover 12, left inner end cover 13, first side convex structure 131, left inner tube group positioning protrusion 132, first inner concave avoidance slot 133, left outer tube 14 , left inner tube group 15, left outer roller 151, left central shaft 152, left plug tube 16, left inner handle 17

Right curtain assembly 200, right curtain fabric 21, right outer end cap 22, right inner end cap 23, first inner groove 231, right inner tube group positioning protrusion 232, second inner concave avoidance slot 233, right outer tube 24 , right inner tube group 25, right outer roller 251, right central shaft 252, right plug tube 26, right inner handle 27

The rotating shaft 40, the linear gap 50, the inner end cover locking cover 60, the locking chute 70, the handle fixing cover 80, and the guide chute 90.

detailed description

Foldable seamless shade, see Figure 1-Figure 5: the first curtain assembly, which includes a first curtain, a first outer end cap, a first inner end cap, a first outer tube, a first inner tube group, The first inner tube group drives the first cord to wind or retract;

The second curtain assembly includes a second curtain, a second outer end cap, a second inner end cap, a second outer tube, and a second inner tube group, and the second inner tube group drives the second curtain to wind or retract;

In the unfolded state, the facing joint surfaces of the first inner end cover and the second inner end cover form a concave-convex structure and are combined and positioned, the first inner tube group and the second outer tube group are arranged on the same horizontal plane, and the first inner tube group is arranged on the At the front position of the second outer tube group towards the deployment of the curtain, the first inner tube group and the second inner tube group have a partial space overlapping area at the opposite ends in the length direction of the two;

In the unfolded state, the inner curtain of the second curtain is arranged directly above the inner side of the first curtain to form a stacking area, and the covering width distance W of the stacking area makes no visible seam after the curtain is fully unfolded.

During specific implementation: the front end position of the opposite joint surface of the first inner end cover is provided with a first side convex structure, and the position of the opposite joint surface of the second inner end cover corresponding to the position of the first side convex structure is provided with a profiling first The inner groove, the opposite inner end of the length direction of the first inner tube group extends to the inner cavity of the side convex part of the first side convex structure, and the opposite inner end of the second inner tube group in the length direction extends to the second inner end cover The location area of the opposite split surface forms a partial space overlapping area in the length direction through the relative lateral protrusion of the first inner tube group relative to the second inner tube group in the length direction.

Another specific embodiment: a second side convex structure is provided at the rear end of the facing joint surface of the second inner end cover, and a profiling is provided on the facing joint surface of the first inner end cover corresponding to the position of the second side convex structure. The second inner groove, the opposite inner end of the second inner tube group in the length direction extends to the inner cavity of the side convex part of the second side convex structure, and the opposite inner end of the first inner tube group in the length direction extends to the first inner The location area of the facing splicing surfaces of the end caps forms a partial space overlapping area in the length direction through the opposite lateral protrusion of the second inner tube group relative to the first inner tube group in the length direction.

Specific embodiments, see Fig. 1-Fig. 5: the first curtain assembly is left curtain assembly 100, and left curtain assembly 100 includes left curtain fabric 11, left outer end cap 12, left inner end cap 13, left outer pipe 14, left inner The tube group 15, the left plug tube 16, the left inner handle 17, the left inner tube group 15 drives the left curtain 11 to wind or retract through the winding gap of the left outer tube 14; the end area of the left curtain 11 in the unfolding direction is set There is a left plug tube 16, and the inner side of the left plug tube 16 is provided with a left inner handle 17;

The second curtain assembly is the right curtain assembly 200, and the right curtain assembly 200 includes a right curtain 21, a right outer end cap 22, a right inner end cap 23, a right outer tube 24, a right inner tube group 25, a right plug tube 26, and a right inner The pull handle 27 and the right inner tube group 25 drive the right curtain 21 to wind or retract through the winding gap of the right outer tube 24. The end area of the right curtain 21 in the unfolding direction is provided with a right plug tube 26, and the right plug tube 26 The inner side is provided with a right inner pull handle 27;

The left inner end cover 13 and the right inner end cover 23 are pivotally connected by the rotating shaft 40 to form a revolving structure. In the unfolded state, the length directions of the left inner end cover 13 and the right inner end cover 23 are arranged in a straight line;

In the unfolded state, the facing joint surfaces of the left inner end cover 13 and the right inner end cover 23 form a concavo-convex structure for joint positioning, the left inner tube group 15 and the right outer tube group 25 are arranged on the same horizontal plane, and the left inner tube group 15 is arranged on the The front position of the right outer tube group 25 is deployed toward the curtain, the left inner tube group 15 and the right inner tube group 25 have a partial spatial overlapping area A at the opposite ends of the length direction of the two;

In the unfolded state, the inner curtain of the right curtain 21 is arranged directly above the inner side of the left curtain 11 to form a stacking area, and the coverage width W of the stacking area is such that there is no visible seam after the curtain is fully unfolded.

In the combined state, the winding notch of the left outer tube 14 and the winding notch of the right outer tube 24 form a connected linear notch 50, and the height of the linear notch 50 ensures the smooth passage of the laminated cord.

A first side convex structure 131 is provided at the front end of the facing joint surface of the left inner end cover 13, and a profiling first concave is provided on the facing joint surface of the right inner end cover 23 corresponding to the position of the first side convex structure 131. The groove 231, the opposite inner end of the left inner tube group 15 in the length direction extends to the inner cavity of the side convex part of the first side convex structure 131, and the opposite inner end of the right inner tube group 25 in the length direction extends to the right inner end cover 23 The position area of the facing splicing surface, which forms a partial space overlapping area A in the length direction through the relative lateral convexity of the left inner tube group 15 relative to the length direction of the right inner tube group 25;

The right side of the first side convex structure 131 of the left inner end cover 13 is also provided with a left inner tube group positioning protrusion 132, and the left inner tube group positioning protrusion 132 is arranged outside the area covered by the left curtain 11, and the right inner end cover 23 corresponds to the positioning position of the right inner tube group 25 is provided with a right inner tube group positioning protrusion 232, the right inner tube group positioning protrusion 232 is arranged outside the area covered by the right curtain 21, and the left inner tube group positioning protrusion 132 1. The positioning projections 232 of the right inner tube group are respectively provided with corresponding central shaft positioning cavities. The left inner tube assembly 15 includes a left outer roller 151 and a left central shaft 152. The corresponding end of the left central shaft 152 is inserted into the left inner tube for positioning. The central axis positioning cavity of the protrusion 132 is arranged. The right inner tube assembly 25 includes a right outer roller 251 and a right central axis 252. The corresponding end of the right central axis 252 is inserted into the central axis positioning cavity of the right inner tube positioning protrusion 232. Make the inner side of the left curtain 11 in the width direction cover to the position of the corresponding side outer roller surface of the left inner tube group 15, and the inner side of the right curtain 21 in the width direction cover to the position of the corresponding side outer roller of the right inner tube group 25, so that the width of the inner side of the curtain The cut-off is flush with the cut-off position of the inner and outer rollers of the corresponding inner tube group, making the whole structure convenient and reliable;

The outer rollers of the left inner tube group 15 and the right inner tube group 25 rotate freely relative to the corresponding central axis, and the outer rollers are displaced axially relative to the central axis during the unwinding or winding process of the left curtain 11 and the right curtain 21 Compensation adjustment to ensure that there is no gap when the left curtain 11 and the right curtain 21 are unfolded synchronously;

The left inner end cap 13 is provided with a first concave avoidance slot 133 corresponding to the position of the right inner tube positioning protrusion 232, and the right inner end cover 23 is provided with a second inner concave avoidance slot corresponding to the position of the left inner tube positioning protrusion 132 233. Ensure the smooth assembly of the structure.

During specific implementation, see Fig. 5, the left curtain 11 and the right curtain 21 are continuous fabrics of the same thickness. The coverage width W of the area is such that there are no visible seams when the ply is fully unrolled.

During specific implementation, the upper roller surface of the right outer roller 251 is higher than the upper roller surface of the left outer roller 151, and the higher distance is greater than the corresponding cord thickness, so that when folding, the left cord 11 and the right cord 21 are quickly separated, and when assembled , the corresponding part of the right curtain 21 is quickly stacked on the upper area of the left curtain. The specific height difference of the upper roller surface between the two outer rollers only needs to ensure that the assembly is carried out normally. In another embodiment, the height of the upper roller surface between the two outer rollers is the same, and at this time, the operator needs to manually assist the curtain stacking.

During specific implementation, an inner end cover locking cover 60 is also provided, and the inner end cover locking cover 60 is used to lock the left inner end cover 13 and the right inner end cover 23 in the unfolded state; the left inner end cover 13 and the right inner end cover The end caps 23 are respectively provided with locking chute 70, and the locking structure 61 of the inner end cap locking cover 60 is embedded in the locking chute 70, and the inner end cap locking cover 60 slides along the locking chute 70 of the right inner end cap 23. After the groove 70 slides away from the left inner end cap 13, it forms an unlocked state. When locking is required, the inner end cap locking cover 60 is pushed into the locking chute 70 of the left inner end cap 13 again.

During specific implementation, a handle fixing cover 80 is also provided, and the handle fixing cover 80 is used to lock the left inner handle 17 and the right inner handle 27 in the unfolded state, and the left inner handle 17 and the right inner handle The upper surface of 27 is provided with guiding chute 90 embedded respectively, and the lower surface of handle fixed cover 80 is provided with protruding protruding bar (blocked in the figure), and handle fixed cover 80 guides along the right inner handle 27. After the chute 90 slides away from the left inner handle 17 to form an unlocked state, when locking is required, the handle fixing cover 80 is pushed into the guide chute 90 of the left inner handle 17 again.

During specific implementation, the positions of the left curtain assembly 100 and the right curtain assembly 200 can be interchanged without affecting the use.

Its working principle is as follows: the handle fixing cover combines the left inner handle and the right inner handle into one handle, the left inner tube group and the right outer tube group are arranged front and back, and there is a partial space overlapping area in the axial direction, so that the left curtain, There is an upper and lower stacking area on the opposite inner side of the right curtain. The curtain is unfolded by manually driving the pull handle. The stacking area of the first curtain and the second curtain completely covers the gap, ensuring the covering performance of the covering curtain. ; and because there is no physical connection structure between the first curtain and the second curtain, the disassembly and assembly of the entire covering curtain is convenient and quick.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims

The foldable seamless shade is characterized in that it comprises:

The first curtain assembly includes a first curtain, a first outer end cap, a first inner end cap, a first outer tube, and a first inner tube group, and the first inner tube group drives the first curtain to wind or roll receive;

The second curtain assembly includes a second curtain, a second outer end cap, a second inner end cap, a second outer tube, and a second inner tube group, and the second inner tube group drives the second curtain to wind or roll receive;

The first inner end cap and the second inner end cap are pivotally connected by a rotating shaft to form a revolving structure, and in the unfolded state, the length directions of the first inner end cap and the second inner end cap are arranged in a straight line;

In the unfolded state, the facing joint surfaces of the first inner end cap and the second inner end cap form a concavo-convex structure and are positioned together, the first inner tube group and the second outer tube group are arranged on the same horizontal plane, and the first inner tube group is arranged on the same horizontal plane. An inner tube group is arranged at the front position of the second outer tube group deployed toward the curtain, and the first inner tube group and the second inner tube group have a partial spatial overlapping area at the opposite ends in the length direction of the two;

In the unfolded state, the inner curtain of the second curtain is arranged directly above the inner side of the first curtain to form a stacking area, and the covering width W of the stacking area is such that there is no visible seam after the curtain is fully unfolded.
The foldable seamless shade according to claim 1, characterized in that: a first side convex structure is provided at the front end of the opposing splicing surfaces of the first inner end cap, A profiling first inner groove is provided on the joint surface corresponding to the position of the first side convex structure, and the opposite inner end of the first inner tube group in the length direction extends to the inner cavity of the side convex part of the first side convex structure Inside, the opposite inner end of the second inner tube group in the length direction extends to the position area of the opposite splicing surface of the second inner end cover, which passes through the opposite side of the first inner tube group relative to the length direction of the second inner tube group The convexity forms a partially spatially overlapping region in the length direction.
The foldable seamless shade according to claim 1, characterized in that: a second side convex structure is provided at the rear end of the facing spliced surface of the second inner end cover, and the first inner end cover The position corresponding to the second side convex structure is provided with a profiled second inner groove on the opposite split surface, and the opposite inner end of the second inner tube group in the length direction extends to the inside of the side convex part of the second side convex structure In the cavity, the opposite inner end of the first inner tube group in the length direction extends to the position area of the facing splicing surface of the first inner end cover, which is passed by the relative length direction of the second inner tube group relative to the first inner tube group. The side convex forms a partial spatial overlapping area in the length direction.
The foldable seamless shade according to claim 2 or 3, characterized in that: the inner end faces of the first inner end cap and the second inner end cap are respectively provided with inner tube group positioning protrusions, and the inner The positioning protrusions of the tube group are arranged on the outside of the covering area of the corresponding cord. The positioning protrusion of the inner tube group has a central axis positioning cavity built in, and the central axis of the inner end of the corresponding inner tube group is inserted into the central axis positioning cavity. It makes the widthwise inner side of the first curtain cover to the position of the corresponding side outer roller of the first inner tube group, and the widthwise inner side of the second curtain covers to the position of the corresponding side outer roller of the second inner tube group. position, so that the cut-off position of the width of the inner side of the curtain is flush with the cut-off position of the inner outer roller of the corresponding inner tube group.
The foldable seamless shade according to claim 4, characterized in that: the outer rollers of the first inner tube group and the second inner tube group rotate freely relative to the corresponding central axis, the first curtain, the second During the unwinding or winding process of the second curtain, the displacement compensation adjustment of the outer roller relative to the central axis is carried out.
The foldable seamless shade according to claim 4, characterized in that: the corresponding inner end caps are provided with recessed avoidance slots corresponding to the positions of the positioning protrusions of the inner tube group.
The foldable seamless shade according to claim 1, further comprising an inner end cover locking cover, the inner end cover locking cover is used to lock the first inner end in the unfolded state cover, the second inner end cover.
The foldable seamless shade according to claim 1, wherein the first shade assembly further comprises a first side plug tube, a first inner pull handle, and an end area of the first shade in the unfolding direction A first side plug tube is provided, and a first inner handle is provided on the inner side of the first side plug tube; the second curtain assembly also includes a second side plug tube, a second inner handle, and the second curtain The end area in the deployment direction is provided with a second side plug tube, and the inner side of the second side plug tube is provided with a second inner handle.
The foldable seamless shade according to claim 8, characterized in that it also includes a handle fixing cover, and the handle fixing cover is used to lock the first inner handle in the unfolded state, Second inner pull handle.