Rope-free shutter capable of stopping at will
By combining blinds with a control mechanism, and utilizing a spiral spring and transmission gear system, the blinds can be stopped and opened at will without the need for a pull cord. This solves the problems of inconvenient operation and tangling of blinds, and improves the user experience.
Patent Information
- Application Number
- CN202423014968.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-08
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-08
AI Technical Summary
Existing blinds require a pull cord for control, which is inconvenient to use. The pull cord is prone to tangling and makes it difficult to precisely control the opening and closing of the blinds.
The blinds employ a curtain mechanism for sun shading and retraction, combined with a fixing and control mechanism. They achieve cordless operation through weight balance and utilize a spiral spring and transmission gear system to allow the blinds to be stopped and opened at will.
Simplify the operation steps, avoid tangling of the pull rope, and achieve convenient control and precise position maintenance of the louvers.
Smart Images

Figure CN223922964U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a louver technology field, especially in a kind of random stop louver without pull rope. BACKGROUND
[0002] Louver is a kind of style of window, its shutter is composed of many slender blades (or louver), blade can rotate freely or lift, to control the intensity of indoor light and ventilation condition. It is usually installed indoors or outdoors, as to the specific work or installation site, that is more diverse, such as family, office, factory building etc. can see its figure. Louver can conveniently adjust shading effect, realizes light control of different degrees;Every blade is detachable, convenient for local repair;Noise is smaller when pulling, will not disturb the quiet atmosphere of family or company;Appearance is simple and elegant, also have certain heat insulation performance, can resist the high temperature of summer and the cold of winter, in addition, louver also has certain sound insulation effect, can guarantee the privacy of home, these benefits make louver become popular window style.
[0003] The existing louver needs to be controlled by pull rope when using, is not convenient enough, and pull rope is too long, can be wound on other articles, not only will interfere with other articles, also can make louver difficult to open and close. For this purpose, we propose a kind of random stop louver without pull rope to solve the above problems. CONTENT OF UTILITY MODEL
[0004] The utility model aims at providing a kind of random stop louver without pull rope, can be rolled up to provide balanced weight by curtain mechanism for sunshade, can connect each structure by fixed mechanism, and install it to suitable position, can make louver stop or open randomly without pull rope by control mechanism, simplify operation steps.
[0005] To achieve the above object, provide a kind of random stop louver without pull rope, including curtain mechanism, the upper side of the curtain mechanism is fixedly connected with fixed mechanism, the inside of the fixed mechanism is fixedly connected with control mechanism.
[0006] Preferably, the fixed mechanism includes installation shell, cover plate, plugging cover, fixed plate, clamping groove, fixed slot, screw hole, clamping plate, the fixed plate is fixedly connected on the rear side of the upper wall of installation shell.
[0007] Preferably, the fixed slot is arranged in the front side of the lower plate of installation shell, the clamping groove is arranged in the front side of the upper plate of installation shell, the screw hole is arranged in the middle of rear plate, the clamping plate is clamped in the inside of fixed slot and clamping groove, the cover plate is fixedly connected in the front side of clamping plate, the plugging cover is clamped in the left and right sides of installation shell.
[0008] Preferably, the curtain mechanism comprises a lower rail, a sunshade louver, a control rope, a guide frame, a wire hole, a clamping block, a guide hole, and the clamping block is clamped in the fixed slot.
[0009] Preferably, the sunshade louver is arranged at the lower side of the clamping block, the lower rail is arranged at the lower side of the sunshade louver, the wire hole is arranged at the middle of the left and right sides of the sunshade louver, the guide frame is fixedly connected to the upper side of the clamping block, and the guide hole is arranged at the middle of the clamping block and the lower end of the right side plate of the guide frame.
[0010] Preferably, the control mechanism comprises a front cover, a fixed hole, a wire hole, a bottom plate, a connecting hole, a bolt, a transmission gear, a take-up reel, a connecting column, a spiral spring, and a locking shaft.
[0011] Preferably, the front cover is fixedly connected to the front side edge of the bottom plate, the fixed hole is arranged at the middle of the front cover, the wire hole is arranged at the middle of the left and right side plates of the front cover, the connecting column is fixedly connected to the middle of the front side of the bottom plate, the transmission gear is clamped to the outer wall of the connecting column, the take-up reel is fixedly connected to the front side of the left and right transmission gears, the spiral spring is fixedly connected to the front side of the second transmission gear on the left, the locking shaft is fixedly connected to the front side of the second transmission gear on the right, and the end of the spiral spring is arranged on the outer wall of the locking shaft.
[0012] The utility model discloses a beneficial effect: through the curtain mechanism can be up and down and provide balanced weight, through the fixing mechanism can connect each structure, and install it to the suitable position, through the control mechanism can make louver not to pull the rope and can achieve random stop or open, simplify the operation step.
[0013] Additional aspects and advantages of the utility model will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model will be further explained in connection with the drawings and examples;
[0015] Figure 1 It is a perspective view of the utility model of a louver without pulling rope and random stop;
[0016] Figure 2 It is a partial sectional view of the utility model of a louver without pulling rope and random stop;
[0017] Figure 3 It is a curtain mechanism structure schematic view of the utility model of a louver without pulling rope and random stop;
[0018] Figure 4 A part of the enlarged view of the blind without pull rope randomly stop A of the utility model;
[0019] Figure 5 The front side structure schematic view of the fixing mechanism of the blind without pull rope randomly stop of the utility model;
[0020] Figure 6 The rear side structure schematic view of the fixing mechanism of the blind without pull rope randomly stop of the utility model;
[0021] Figure 7 The control mechanism structure schematic view of the blind without pull rope randomly stop of the utility model;
[0022] Legend:
[0023] 1, curtain mechanism;101, lower rail;102, sunshade louver;103, control rope;104, guide frame;105, wire hole;106, clamping block;107, guide hole;2, fixing mechanism;201, mounting shell;202, cover plate;203, plugging cover;204, fixed plate;205, clamping groove;206, fixed groove;207, threaded hole;208, clamping plate;3, control mechanism;301, front cover;302, fixed hole;303, wire port;304, bottom plate;305, connecting hole;306, bolt;307, transmission gear;308, take-up wheel;309, connecting column;310, spiral spring;311, locking shaft. Specific embodiments
[0024] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0025] Embodiment:
[0026] Referring to Figures 1 to 7 , the utility model embodiment a blind without pull rope randomly stop, it includes curtain mechanism 1, the upper side fixed connection of curtain mechanism 1 has fixing mechanism 2, fixing mechanism 2 inside fixedly connected with control mechanism 3.
[0027] The fixing mechanism 2 comprises a mounting shell 201, a cover plate 202, a blocking cover 203, a fixing plate 204, a clamping groove 205, a fixing groove 206, a threaded hole 207, a clamping plate 208, and the fixing plate 204 is fixedly connected to the rear side of the upper wall of the mounting shell 201. The fixing groove 206 is arranged on the front side of the lower plate of the mounting shell 201, the clamping groove 205 is arranged on the front side of the upper plate of the mounting shell 201, the threaded hole 207 is arranged in the middle of the rear plate, the clamping plate 208 is clamped in the fixing groove 206 and the clamping groove 205, the cover plate 202 is fixedly connected to the front side of the clamping plate 208, and the blocking cover 203 is clamped on the left and right sides of the mounting shell 201. The fixing plate 204 fixes the shutter to the mounting position, the mounting shell 201, the cover plate 202 and the blocking cover 203 protect the internal components and provide a decorative effect, the clamping plate 208 and the clamping groove 205 connect the mounting shell 201 and the cover plate 202 together, the threaded hole 207 is connected to the control mechanism 3, and the fixing groove 206 is connected to the curtain mechanism 1.
[0028] The curtain mechanism 1 comprises a lower rail 101, a sunshade shutter 102, a control rope 103, a guide frame 104, a wire passing hole 105, a clamping block 106, a guide hole 107, and the clamping block 106 is clamped in the fixing groove 206. The sunshade shutter 102 is arranged on the lower side of the clamping block 106, the lower rail 101 is mounted on the lower side of the sunshade shutter 102, the wire passing hole 105 is arranged in the middle of the left and right sides of the sunshade shutter 102, the guide frame 104 is fixedly connected to the upper side of the clamping block 106, the guide hole 107 is arranged in the middle of the clamping block 106 and the lower end of the right side plate of the guide frame 104, and the control rope 103 passes through the guide hole 107 and the wire passing hole 105. Pulling the lower rail 101, the lower rail 101 drives the control rope 103 to move downward, so that the sunshade shutter 102 falls, the lower rail 101 provides a weight for stopping the movement of the spiral elastic piece 310, the guide frame 104 and the guide hole 107 guide the control rope 103, and the clamping block 106 installs the guide frame 104
[0029] The control mechanism 3 comprises a front cover 301, a fixing hole 302, a wire passing port 303, a bottom plate 304, a connecting hole 305, a bolt 306, a transmission gear 307, a take-up wheel 308, a connecting column 309, a spiral spring 310, a locking shaft 311. The bottom plate 304 is installed on the front wall of the rear plate of the mounting shell 201. The connecting hole 305 is arranged at the left and right ends of the bottom plate 304. The bolt 306 is screwed into the threaded hole 207 through the connecting hole 305. The front cover 301 is fixedly connected to the front side edge of the bottom plate 304. The fixing hole 302 is arranged in the middle of the front cover 301. The wire passing port 303 is arranged in the middle of the left and right side plates of the front cover 301. The connecting column 309 is fixedly connected to the middle of the front side of the bottom plate 304. The transmission gear 307 is clamped to the outer wall of the connecting column 309. The take-up wheel 308 is fixedly connected to the front side of the left and right transmission gears 307. The spiral spring 310 is fixedly connected to the front side of the left second transmission gear 307. The locking shaft 311 is fixedly connected to the front side of the right second transmission gear 307. The end of the spiral spring 310 is installed on the outer wall of the locking shaft 311. When the sunshade shutter 102 is closed, the downward force is smaller than the force of the spiral spring 310. The spiral spring 310 retracts, so that the spiral spring 310 is retracted from the locking shaft 311, and the take-up wheel 308 is rotated through the transmission of the transmission gear 307, so that the control rope 103 is retracted, so that the sunshade shutter 102 is closed. When the pushing force is stopped, the overall gravity of the curtain mechanism 1 is equal to the pulling force and the resistance of the spiral spring 310, so that the sunshade shutter 102 remains stationary. The front cover 301 protects the internal structure. The wire passing port 303 allows the control rope 103 to pass through. The bottom plate 304, the connecting hole 305 and the bolt 306 connect the device to the fixing mechanism 2.
[0030] Working principle: in use, pull down the lower rail 101, the lower rail 101 drives the control rope 103 to move downward, the control rope 103 drives the take-up wheel 308 to rotate, so that the control rope 103 is released, the take-up wheel 308 drives the transmission gear 307 to rotate, the transmission gear 307 synchronously rotates the other transmission gears 307 through meshing, and the spiral spring 310 is wound on the locking shaft 311. When the sunshade shutter 102 is opened to the appropriate position, the downward pulling force is stopped, the overall gravity of the curtain mechanism 1 is equal to the pulling force and the resistance of the spiral spring 310, so that the sunshade shutter 102 remains stationary. When closing, push the lower rail 101 upward, so that the downward force is smaller than the force of the spiral spring 310. The spiral spring 310 retracts, so that the spiral spring 310 is retracted from the locking shaft 311, and the take-up wheel 308 is rotated through the transmission of the transmission gear 307, so that the control rope 103 is retracted, so that the sunshade shutter 102 is closed. When the pushing force is stopped, the overall gravity of the curtain mechanism 1 is equal to the pulling force and the resistance of the spiral spring 310, so that the sunshade shutter 102 remains stationary.
[0031] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.
Claims
1. A cordless random stop blind comprising a curtain mechanism (1), characterized in that, The curtain mechanism (1) is fixedly connected with a fixing mechanism (2) on the upper side, and the fixing mechanism (2) is fixedly connected with a control mechanism (3) inside; the fixing mechanism (2) comprises a mounting shell (201), a cover plate (202), a blocking cover (203), a fixed plate (204), a clamping groove (205), a fixed groove (206), a threaded hole (207), a clamping plate (208), the fixed plate (204) is fixedly connected to the rear side of the upper wall of the mounting shell (201); the control mechanism (3) comprises a front cover (301), a fixed hole (302), a wire passing port (303), a bottom plate (304), a connecting hole (305), a bolt (306), a transmission gear (307), a take-up wheel (308), a connecting column (309), a spiral spring (310), a locking shaft (311), the bottom plate (304) is installed on the front wall of the rear plate of the mounting shell (201), the connecting holes (305) are arranged at the left and right ends of the bottom plate (304), and the bolt (306) is threadedly connected in the threaded hole (207) through the connecting hole (305).
2. A random stop blind according to claim 1, wherein, The fixed groove (206) is arranged on the front side of the lower plate of the mounting shell (201), the clamping groove (205) is arranged on the front side of the upper plate of the mounting shell (201), the threaded hole (207) is arranged in the middle of the rear plate, the clamping plate (208) is clamped in the fixed groove (206) and the clamping groove (205), the cover plate (202) is fixedly connected to the front side of the clamping plate (208), and the blocking cover (203) is clamped on the left and right sides of the mounting shell (201).
3. The cordless random stop blind according to claim 1, wherein, The curtain mechanism (1) comprises a lower rail (101), a sunshade louver (102), a control rope (103), a guide frame (104), a wire passing hole (105), a clamping block (106) and a guide hole (107), and the clamping block (106) is clamped in the fixed groove (206).
4. A cordless random stop blind according to claim 3, wherein, The sunshade louver (102) is arranged on the lower side of the clamping block (106), the lower rail (101) is installed on the lower side of the sunshade louver (102), the wire passing hole (105) is arranged in the middle of the left and right sides of the sunshade louver (102), the guide frame (104) is fixedly connected to the upper side of the clamping block (106), the guide hole (107) is arranged in the middle of the clamping block (106) and the lower end of the right side plate of the guide frame (104), and the control rope (103) passes through the guide hole (107) and the wire passing hole (105).
5. The cordless random stop blind according to claim 1, wherein, Said front cover (301) is fixedly connected at the front side edge of the bottom plate (304), said fixed hole (302) is arranged in the middle of the front cover (301), said wire passing port (303) is arranged in the middle of the left and right side plates of the front cover (301), said connecting column (309) is fixedly connected at the middle of the front side of the bottom plate (304), said transmission gear (307) is clamped at the outer wall of the connecting column (309), said take-up reel (308) is fixedly connected at the front side of the left and right transmission gears (307), said spiral elastic piece (310) is fixedly connected at the front side of the second transmission gear (307) on the left, said locking shaft (311) is fixedly connected at the front side of the second transmission gear (307) on the right, and the distal end of the spiral elastic piece (310) is mounted at the outer wall of the locking shaft (311).