Curtain system for controlling opening and closing of vertical venetian blinds and dimming of blades through single-cycle pull ropes
By using a single-loop pull cord control system, the operation of curtains can be simplified and the adjustment of large angles can be achieved through linkage actuators and switching components, which solves the problem of tangled curtain pull cords and improves the user experience.
Patent Information
- Application Number
- CN202423285004.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The pull cords on existing curtains are prone to tangling, making them inconvenient to use.
A single-cycle pull rope control system is adopted, which realizes the opening and dimming functions of the vertical venetian blind through the linkage drive and switching component. The switching component in the linkage drive realizes the switching between the drive shaft and the blade opening and closing drive shaft and the dimming drive shaft, simplifying the pull rope operation.
It simplifies the operation of the curtains and allows for a wide range of angle adjustments, avoiding tangled pull cords and improving the user experience.
Smart Images

Figure CN223724487U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a window curtain field, concretely relates to a single circulation pull rope control vertical louver blind opening and closing and page piece light modulation window curtain system. BACKGROUND
[0002] The existing window curtain usually is provided with two pull ropes, one is used for controlling the window curtain to unfold, the other is used for rotating the window curtain leaf, thereby corresponding adjustment shading, since the window curtain height is very high, and the user needs to pull the pull rope in the lower part of the window curtain, thereby making the existing window curtain pull rope even very long, and the two pull ropes are very easy to be wound together, thereby making the window curtain inconvenient to use SUMMARY
[0003] Therefore, the utility model aims at providing a single circulation pull rope control vertical louver blind opening and closing and page piece light modulation window curtain system, which is used for solving the above problems.
[0004] In order to solve the above technical problems, the technical scheme of the utility model is: a single cycle pull rope control vertical louver curtain opening and closing and page piece light adjusting window curtain system, including window rail, transmission box frame, pull rope, pull rope wheel, driving shaft, linkage transmission, leaf opening and closing transmission shaft, light adjusting transmission shaft, a plurality of mobile louver hooks, transmission box frame is provided with a plurality of, and fixedly installed in the inside of window rail, the driving shaft is rotatably connected on transmission box frame, one end of driving shaft is fixedly installed with pull rope wheel, pull rope is sleeved on pull rope wheel, the other end of driving shaft is connected with the input end of linkage transmission, linkage transmission is fixedly installed on transmission box frame, linkage transmission is provided with two output ends, leaf opening and closing transmission shaft and light adjusting transmission shaft are fixedly connected with the output end of linkage transmission respectively, the other end of leaf opening and closing transmission shaft and light adjusting transmission shaft is rotatably connected with window rail, the bottom of mobile louver hook is hung with vertical louver window curtain, mobile louver hook is sleeved in leaf opening and closing transmission shaft and light adjusting transmission shaft and is corresponding transmission cooperation with leaf opening and closing transmission shaft and light adjusting transmission shaft, linkage transmission includes input shaft, first gear, first output shaft, second output shaft, second gear, third gear, fourth gear and switching assembly, switching assembly is sleeved on input shaft, first gear and second gear are sleeved on input shaft, switching assembly includes two switching ends respectively with the position of first gear and second gear corresponds, switching assembly realizes first gear and second gear respectively with input shaft abutment fixed through the switching end after extension, so that first gear and second gear respectively with input shaft synchronous rotation is realized, first output shaft and second output shaft are fixedly connected with leaf opening and closing transmission shaft and light adjusting transmission shaft respectively, third gear is fixedly installed on first output shaft, fourth gear is fixedly installed on second output shaft, third gear and fourth gear are respectively meshed with first gear and second gear, leaf opening and closing transmission shaft is used for driving mobile louver hook to move and unfold after rotating, light adjusting transmission shaft is used for driving the hook to turn after rotating.
[0005] As preferred, the switching assembly further comprises a shaft sleeve, a first ratchet disc, a second ratchet disc, a ratchet wheel and an elastic member; the shaft sleeve is sleeved on the input shaft, the first gear and the second gear are sleeved on the shaft sleeve, a plurality of movable grooves are arranged in the shaft sleeve in an annular array, and the movable grooves correspond to positions of the first gear and the second gear respectively; the switching end is arranged in the movable groove, the input shaft is provided with a first recess and a second recess corresponding to the movable groove, the first recess and the second recess correspond to positions of the first gear and the second gear respectively, and there is an angle difference of 90° between the first recess and the second recess; the first ratchet disc is fixedly installed at one end of the shaft sleeve, the ratchet wheel is located beside the first ratchet disc and is fixedly connected with the input shaft, the second ratchet disc is located beside the ratchet wheel, the elastic member is sleeved on the input shaft and located between the transmission case frame and the second ratchet disc, and the elastic member pushes the second ratchet disc to abut against the ratchet wheel and the ratchet wheel to abut against the first ratchet disc.
[0006] As preferred, a third recess is arranged in the first gear and the second gear corresponding to the movable groove.
[0007] As preferred, the second ratchet disc is outwardly protruded to form a first limiting block.
[0008] As preferred, the mobile shutter hook comprises a shell, a worm wheel, a worm, and a second limiting block; the worm is rotatably connected with the shell, the mobile shutter hook is further provided with through holes corresponding to the blade opening and closing transmission shaft and the light adjusting transmission shaft, the worm wheel is rotatably connected in the through hole, and a slot hole corresponding to a cross-sectional shape of the light adjusting transmission shaft is arranged in a middle portion of the worm wheel; the mobile shutter hook is respectively correspondingly connected with the blade opening and closing transmission shaft and the light adjusting transmission shaft through the through hole and the slot hole; the worm wheel is meshingly connected with the worm, the second limiting block is fixedly installed on the worm, and a limiting groove corresponding to the second limiting block is arranged in the shell.
[0009] As preferred, the limiting groove is an arc-shaped groove with a rotation angle of 90°.
[0010] As preferred, the top of the mobile shutter hook is further provided with a plurality of limiting strips, one end of the limiting strip is hingedly connected with the mobile shutter hook, and the other end is hingedly connected with the transmission case frame.
[0011] The utility model discloses a technical effect mainly embodies: when driving the pull rope wheel by pulling the pull rope, the linkage transmission is used to make the driving shaft connect with the vane opening and closing transmission shaft, and the mobile louver hook is unfolded in the parallel movement mode; when the mobile louver hook moves to the maximum formation, the switching assembly in the linkage transmission is used to realize the driving shaft and the light adjustment transmission shaft connection, when pulling the pull rope to drive the pull rope wheel again, the light adjustment transmission shaft rotates, thereby driving the hook on the mobile louver hook to rotate, and the vane hung on the mobile louver hook rotates, the light adjustment of the curtain is adjusted, and the angle of the louver vane is between 0°-180°, and the adjustable angle is big. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the bottom view of the utility model;
[0013] Figure 2 It is the front view of linkage transmission;
[0014] Figure 3 It is the section view of linkage transmission;
[0015] Figure 4 It is the side view section view of mobile louver hook.
[0016] The sign is: 1 - window rail, 2 - transmission box frame, 3 - pull rope, 4 - pull rope wheel, 5 - driving shaft, 6 - linkage transmission, 61 - input shaft, 611 - first recess, 612 - second recess, 62 - first gear, 63 - first output shaft, 64 - second output shaft, 65 - second gear, 651 - third recess, 66 - third gear, 67 - fourth gear, 68 - switching assembly, 681 - shaft sleeve, 682 - first ratchet disc, 683 - second ratchet disc, 684 - ratchet wheel, 685 - elastic member, 686 - movable slot, 687 - first limit block, 69 - switching end, 7 - vane opening and closing transmission shaft, 8 - light adjustment transmission shaft, 9 - mobile louver hook, 91 - shell, 92 - worm wheel, 93 - worm, 94 - second limit block, 95 - through hole, 96 - slot hole, 97 - limit strip, 98 - limit slot. DETAILED DESCRIPTION
[0017] The specific embodiment of the utility model is further described in detail below in combination with the drawings, so that the technical scheme of the utility model is more easy to understand and master.
[0018] In the present embodiment, it should be understood that the terms "intermediate", "upper", "lower", "top", "right side", "left end", "upper", "back", "middle", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0019] In addition, in the present specific embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner can be bolt fixing or pin fixing commonly used in the prior art, or pin shaft connection, etc. Therefore, in the present embodiment, it will not be described in detail.
[0020] A single-cycle pull rope control vertical shutter curtain system for opening and closing and adjusting the page piece of the window curtain system, such as Figures 1-4The window track 1, the transmission box frame 2, the pull rope 3, the pull rope wheel 4, the driving shaft 5, the linkage transmission 6, the blade opening and closing transmission shaft 7, the light adjustment transmission shaft 8, and a plurality of movable shutter hooks 9 are shown, wherein the movable shutter hooks 9 are hung with vertical blinds at the bottom; the transmission box frame 2 is provided with a plurality of and is fixedly installed inside the window track 1, the driving shaft 5 is rotatably connected to the transmission box frame 2, one end of the driving shaft 5 is fixedly installed with the pull rope wheel 4, the pull rope 3 is sleeved on the pull rope wheel 4, the other end of the driving shaft 5 is connected with the input end of the linkage transmission 6, the linkage transmission 6 is fixedly installed on the transmission box frame 2, the linkage transmission 6 is provided with two output ends, the blade opening and closing transmission shaft 7 and the light adjustment transmission shaft 8 are respectively fixedly connected with the output ends of the linkage transmission 6, the other ends of the blade opening and closing transmission shaft 7 and the light adjustment transmission shaft 8 are rotatably connected with the window track 1; the movable shutter hook 9 is sleeved on the blade opening and closing transmission shaft 7 and the light adjustment transmission shaft 8 and is correspondingly transmission matched with the blade opening and closing transmission shaft 7 and the light adjustment transmission shaft 8; the linkage transmission 6 comprises an input shaft 61, a first gear 62, a first output shaft 63, a second output shaft 64, a second gear 65, a third gear 66, a fourth gear 67 and a switching assembly 68; the switching assembly 68 is sleeved on the input shaft 61, the first gear 62 and the second gear 65 are sleeved on the input shaft 61, the switching assembly 68 comprises two switching ends 69 corresponding to the positions of the first gear 62 and the second gear 65, respectively, the switching assembly 68 realizes the abutment fixing of the first gear 62 and the second gear 65 with the input shaft 61 through the extension of the switching end 69, so as to realize the synchronous rotation of the first gear 62 and the second gear 65 with the input shaft 61, respectively; the first output shaft 63 and the second output shaft 64 are respectively fixedly connected with the blade opening and closing transmission shaft 7 and the light adjustment transmission shaft 8, the third gear 66 is fixedly installed on the first output shaft 63, the fourth gear 67 is fixedly installed on the second output shaft 64, the third gear 66 and the fourth gear 67 are respectively meshed with the first gear 62 and the second gear 65; the blade opening and closing transmission shaft 7 is used for driving the movable shutter hook 9 to move and expand after rotation, the light adjustment transmission shaft 8 is used for driving the hook to turn after rotation; when the pull rope 3 is pulled to drive the pull rope wheel 4, the linkage transmission 6 is used to connect the driving shaft 5 with the blade opening and closing transmission shaft 7, so as to realize the parallel movement of the movable shutter hook 9; when the movable shutter hook 9 moves to the maximum formation, the switching assembly 68 in the linkage transmission 6 is used to connect the driving shaft 5 with the light adjustment transmission shaft 8, at this time, the pull rope 3 is pulled again to drive the pull rope wheel 4, so that the light adjustment transmission shaft 8 rotates, thereby driving the hook on the movable shutter hook 9 to rotate, so as to realize the rotation of the blades mounted on the movable shutter hook 9, and adjust the shading degree of the curtain.
[0021] As preferred, the switching assembly 68 further comprises a shaft sleeve 681, a first ratchet disc 682, a second ratchet disc 683, a ratchet wheel 684 and an elastic member 685; the shaft sleeve 681 is sleeved on the input shaft 61, the first gear 62 and the second gear 65 are sleeved on the shaft sleeve 681, a plurality of movable grooves 686 are arranged in an annular array on the shaft sleeve 681 and correspond to positions of the first gear 62 and the second gear 65 respectively; the switching end 69 is arranged in the movable groove 686, the input shaft 61 is provided with a first recess 611 and a second recess 612 corresponding to the movable groove 686, the first recess 611 and the second recess 612 correspond to positions of the first gear 62 and the second gear 65 respectively, and there is an angle difference of 90° between the first recess 611 and the second recess 612; the first ratchet disc 682 is fixedly installed at one end of the shaft sleeve 681, the ratchet wheel 684 is located beside the first ratchet disc 682 and is fixedly connected with the input shaft 61, the second ratchet disc 683 is located beside the ratchet wheel 684, the elastic member 685 is sleeved on the input shaft 61 and is located between the transmission case frame 2 and the second ratchet disc 683, and the elastic member 685 pushes the second ratchet disc 683 to abut against the ratchet wheel 684 and the ratchet wheel 684 to abut against the first ratchet disc 682; when the input shaft 61 and the shaft sleeve 681 relatively rotate, the first recess 611 and the second recess 612 of the input shaft 61 push the switching end 69 from the movable groove 686 to abut against the first gear 62 and the second gear 65, so that the first gear 62 and the second gear 65 cannot relatively rotate, and there is an angle difference of 90° between the first recess 611 and the second recess 612, so that the first gear 62 and the second gear 65 cannot abut against the input shaft 61 at the same time, and the first ratchet disc 682, the second ratchet disc 683 and the ratchet wheel 684 are used to make the ratchet disc and the input shaft 61 rotate in one direction only; when the movable louver hook 9 is rotated to the maximum angle, the pull rope 3 is continuously pulled, so that the ratchet disc and the shaft sleeve 681 relatively rotate, and the states of the first gear 62 and the second gear 65 are switched.
[0022] As preferred, a third recess 651 is arranged in the interior of the first gear 62 and the second gear 65 corresponding to the movable groove 686, so that the switching end 69 enters the third recess 651, and the first gear 62 or the second gear 65 synchronously rotates with the shaft sleeve 681.
[0023] As preferred, the second ratchet disc 683 is outwardly protruded to form a first limiting block 687, the second ratchet disc 683 is limited by the first limiting block 687 and the transmission case frame 2, so as to avoid rotation of the second ratchet disc 683.
[0024] As preferred, the mobile shutter hook 9 comprises a housing 91, a worm wheel 92, a worm 93, and a second limiting block 94; the worm 93 is rotationally connected with the housing 91, the mobile shutter hook 9 is further provided with through holes 95 corresponding to the blade opening and closing transmission shaft 7 and the light adjusting transmission shaft 8, the worm wheel 92 is rotationally connected in the through holes 95, and a groove hole 96 corresponding to the cross-sectional shape of the light adjusting transmission shaft 8 is formed in the middle of the worm wheel 92; the mobile shutter hook 9 is correspondingly connected with the blade opening and closing transmission shaft 7 and the light adjusting transmission shaft 8 through the through holes 95 and the groove hole 96; the worm wheel 92 is meshingly connected with the worm 93, the second limiting block 94 is fixedly installed on the worm 93, and a limiting groove corresponding to the second limiting block 94 is formed in the housing 91; when the light adjusting transmission shaft 8 rotates, the worm wheel 92 and the worm 93 are driven to rotate, thereby driving the mobile shutter hook 9 to rotate.
[0025] As preferred, the limiting groove is an arc-shaped groove with a rotation angle of 90°.
[0026] As preferred, the top of the mobile shutter hook 9 is further provided with a plurality of limiting strips 97, one end of the limiting strip 97 is hingedly connected with the mobile shutter hook 9, and the other end is hingedly connected with the transmission box frame 2, so that the mobile shutter hook 9 is stopped from moving after the limiting strip 97 is unfolded to a predetermined position, and the subsequent mobile shutter hook 9 continues to unfold, thereby realizing the equidistant unfolding of the mobile shutter hook 9.
[0027] The technical effects of the present application mainly include: when the pull rope is pulled to drive the pull rope wheel, the driving shaft is connected with the blade opening and closing transmission shaft through the linkage transmission device, so that the mobile shutter hook is unfolded in a parallel moving manner; when the mobile shutter hook is unfolded to the maximum, the driving shaft is connected with the light adjusting transmission shaft through the switching assembly in the linkage transmission device, so that the light adjusting transmission shaft rotates when the pull rope is pulled again to drive the pull rope wheel, thereby driving the hook on the mobile shutter hook to rotate, so that the blade mounted on the mobile shutter hook rotates, the light shielding degree of the curtain is adjusted, and the angle of the shutter blade is between 0° and 180°, and the adjustable angle is large.
[0028] Of course, the above is only a typical example of the present application, and in addition to this, the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.
Claims
1. A single cycle pull cord control vertical blind system for opening and closing the blind and for adjusting the slats, characterized by, The utility model provides a window track, transmission case frame, drawstring, drawstring wheel, driving shaft, linkage transmission, vane opening and closing transmission shaft, light transmission shaft, a plurality of mobile louver hooks, transmission case frame is provided with a plurality of, and fixed mounting is arranged in the window track, driving shaft is rotatably connected on the transmission case frame, one end of driving shaft is fixedly installed with drawstring wheel, drawstring is sleeved on drawstring wheel, the other end of driving shaft is connected with the input end of linkage transmission, linkage transmission is fixedly installed on transmission case frame, linkage transmission is provided with two output ends, vane opening and closing transmission shaft and light transmission shaft are fixedly connected with the output end of linkage transmission respectively, the other end of vane opening and closing transmission shaft and light transmission shaft is rotatably connected with the window track, the bottom of mobile louver hook is hung with vertical louver curtain, mobile louver hook is sleeved in vane opening and closing transmission shaft and light transmission shaft and is correspondingly transmission cooperation with vane opening and closing transmission shaft and light transmission shaft, linkage transmission includes input shaft, first gear, first output shaft, second output shaft, second gear, third gear, fourth gear and switching assembly, switching assembly is sleeved on the input shaft, first gear and second gear are sleeved on the input shaft, switching assembly includes two switching ends respectively with the position of first gear and second gear corresponds, switching assembly realizes first gear and second gear respectively with the input shaft abutment fixed through the switching end after extension and thus realizes first gear and second gear respectively with the input shaft synchronous rotation, first output shaft and second output shaft are fixedly connected with vane opening and closing transmission shaft and light transmission shaft respectively, third gear is fixedly installed on the first output shaft, fourth gear is fixedly installed on the second output shaft, third gear and fourth gear are meshedly connected with first gear and second gear respectively, vane opening and closing transmission shaft is used for driving mobile louver hook to move and unfold after rotating, light transmission shaft is used for driving the hook to turn after rotating.
2. A single cycle pull cord control vertical blind system for opening and closing and light adjustment of the slats as claimed in claim 1 wherein, Switching assembly also includes shaft sleeve, first ratchet disc, second ratchet disc, ratchet wheel and elastic piece, shaft sleeve is sleeved on input shaft, first gear and second gear are sleeved on the shaft sleeve, a plurality of movable grooves are arranged in the annular array on the shaft sleeve, and the movable grooves correspond to the positions of the first gear and the second gear respectively, the switching end is arranged in the movable groove, the first recess and the second recess are formed in the input shaft corresponding to the movable groove, the first recess and the second recess correspond to the positions of the first gear and the second gear respectively, and there is an angle difference of 90 DEG between the first recess and the second recess, the first ratchet disc is fixedly installed at one end of the shaft sleeve, the ratchet wheel is located on the side of the first ratchet disc and is fixedly connected with the input shaft, the second ratchet disc is located on the side of the ratchet wheel, the elastic piece is sleeved on the input shaft, and the second ratchet disc is located between the transmission case frame and the second ratchet disc, and the elastic piece pushes the second ratchet disc to abut the ratchet wheel and the ratchet wheel to abut the first ratchet disc.
3. A single cycle pull cord control vertical blind system for opening and closing and light adjustment of the slats as claimed in claim 2 wherein, The third recess is arranged in the interior of the first gear and the second gear and corresponds to the movable slot.
4. A single cycle pull cord control vertical blind system for opening and closing and light adjustment of the slats as claimed in claim 3 wherein, The second ratchet disc is outwardly protruded to form a first limiting block.
5. A single cycle pull cord control vertical blind system for opening and closing and light adjustment of the slats as claimed in claim 1 wherein, The moving shutter hook comprises a shell, a worm wheel, a worm, and a second limiting block; the worm is rotationally connected with the shell; the moving shutter hook is further provided with through holes corresponding to the leaf opening and closing transmission shaft and the light adjusting transmission shaft; the worm wheel is rotationally connected in the through hole; a slot hole corresponding to the cross-sectional shape of the light adjusting transmission shaft is arranged in the middle of the worm wheel; the moving shutter hook is respectively correspondingly connected with the leaf opening and closing transmission shaft and the light adjusting transmission shaft through the through hole and the slot hole; the worm wheel is meshingly connected with the worm; the second limiting block is fixedly installed on the worm; and a limiting slot corresponding to the second limiting block is arranged in the shell.
6. A single cycle pull cord control vertical blind system for opening and closing and light adjustment of the slats as claimed in claim 5 wherein, The limiting slot is an arc-shaped slot with a rotation angle of 90°.
7. A single-cycling pull cord control vertical blind system for opening and closing and light adjusting the slats of the blind system as claimed in claim 1, wherein, The top of the moving shutter hook is further provided with a plurality of limiting strips; one end of the limiting strip is hingedly connected with the moving shutter hook, and the other end is hingedly connected with the transmission box frame.