Up-down two-way limiting stopper for roller shutter

Abstract

The invention relates to the field of curtains, in particular to an up-down bidirectional limiting stopper for a roller shutter. A roller shutter up-down bidirectional limiting stopper comprises a limiting stopper base B. The head of the limiting stopper base B is a mounting plate a, the middle of the mounting plate a is connected with a containing body a in a penetrating mode, an adjusting fluted disc is inserted into the containing body a, the head of the adjusting fluted disc is a fluted disc, the middle of the fluted disc is connected with a containing body b in a penetrating mode, the limiting stopper base A is inserted into the containing body b, and the head of the limiting stopper base A is a mounting plate b. Tooth bodies are annularly arranged on the inner wall of the middle of the mounting plate b, support adapters are inserted into the tooth bodies, the mounting plate a and the mounting plate b are fixed together, a mounting cylinder is arranged on the rear portion of the mounting plate b, a hexagonal positioning rod is inserted into an opening in the bottom of the mounting cylinder, and a screw is arranged in the hexagonal positioning rod. The curtain has the beneficial effects that vertical positioning can be easily adjusted, compared with a traditional curtain, dismounting and positioning are convenient, multi-tooth design of the adjusting fluted disc is fixed to the positioning screws, the vertical limiting height error of the curtain is small, and the support adapter design is suitable for supports of different models.

Description

Technical Field

[0001] This invention relates to the field of curtains, and in particular to a two-way limiter for roller blinds. Background Technology

[0002] The curtains are raised and lowered by the curtain head, which usually requires a limit switch. Ordinary limit switches can only fix the upper or lower limit, which is inconvenient to use. Summary of the Invention

[0003] To solve the problem of only being able to fix the upper or lower limit, the present invention provides a roller shutter bidirectional limiter.

[0004] The technical solution of the present invention is as follows: The roller shutter bidirectional limiter includes a limiter base B. The head of the limiter base B is a mounting plate a. A receiving body a is connected through the middle of the mounting plate a. An adjusting gear is inserted into the receiving body a. The head of the adjusting gear is a gear, and a receiving body b is connected through the middle of the gear. The limiter base A is inserted into the receiving body b. The head of the limiter base A is a mounting plate b. A toothed body is arranged around the inner wall of the middle of the mounting plate b. A bracket adapter is inserted into the toothed body. The mounting plate a and the mounting plate b are fixed together. The rear of the mounting plate b is a mounting cylinder. A hexagonal positioning rod is inserted into the bottom opening of the mounting cylinder. A screw is provided in the hexagonal positioning rod. The left end of the screw is locked at the bottom end of the mounting cylinder and connected to the inner wall of the screw through the mounting hole d by a connecting screw. A rotating wheel is provided on the right side of the screw. A positioning head is fixed on the screw. A thread is provided in the middle of one side of the mounting plate a. A positioning screw is provided at the thread. A head cover is fitted onto the receiving body a. The positioning screw contacts the toothed body of the gear.

[0005] The mounting plate a has two fixing strips a on the left side edge, and there is a connecting body between the outer sides of the fixing strips a. The fixing strips a have a hollow part and a mounting hole a. The mounting plate a has two fixing strips b on the right side edge, and there is a positioning screw between the fixing strips b. The positioning screw is set perpendicular to the edge. The surface of the fixing strip b has a hollow part and a mounting hole b. The lower outer wall of the receiving body a has an inverted buckle to fix the headgear.

[0006] The mounting plate b has mounting holes c at the four corners of its surface. The base fixing screw passes through the mounting hole c to fix the mounting holes a and b. The back of the mounting plate b has a limiting block and a positioning screw holder. The limiting block is located between the fixing strips a and the positioning screw holder is located between the fixing strips b. The bottom of the mounting cylinder has a connecting sleeve. The connecting sleeve is inserted into the inner wall of the left side of the screw rod. The connecting screw passes through the connecting sleeve and is fixed to the inner wall of the screw rod.

[0007] The bottom opening of the container b is hexagonal, matching the hexagonal positioning rod.

[0008] The right inner wall of the hexagonal positioning rod is provided with a locking tooth, which is locked onto the screw. The right end of the right part of the hexagonal positioning rod is provided with a support sleeve, which is in contact with the rotating wheel. The inner wall of the rotating wheel is provided with a rotating tooth, which is locked onto the screw.

[0009] The bottom end of the screw is inserted into the positioning head and fixed by the positioning head fixing screw.

[0010] Using the technical solution of this invention, the structure is novel, the design is ingenious and simple, and the upper and lower positioning can be easily adjusted. It is more convenient to remove and position the curtains than traditional curtains. The multi-tooth design of the adjustment plate and the fixing screw ensure that the upper and lower limit height error of the curtains is small. The bracket adapter design is compatible with different models of brackets. Attached Figure Description

[0011] Figure 1 , 2 This is a schematic diagram of the structure of the present invention; Figure 3 yes Figure 2 Schematic diagram of the structure in section AA; Figure 4 This is a schematic diagram of the structure in the state of explosion. Figure 5 This is a schematic diagram of the invention of the hexagonal positioning rod; Figure 6 , 7 This is a schematic diagram of the structure of the limiter base A; Figure 8 This is a structural diagram of the invention headgear; Figure 9 , 10 This is a schematic diagram of the structure of the invention adjusting gear disc; Figure 11 , 12 This is a schematic diagram of the structure of the limiter base B; Figure 13 This is a schematic diagram of the invention wheel. Detailed Implementation

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example

[0013] like Figure 1 , 2The roller shutter bidirectional limiters shown in figures 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13 include a limiter base B4. The head of the limiter base B4 is a mounting plate a14, with a receiving body a15 connected through the middle of the mounting plate a14. An adjusting gear disc 6 is inserted into the receiving body a15. The head of the adjusting gear disc 6 is a gear disc, with a receiving body b16 connected through the middle of the gear disc. A limiter base A3 is inserted into the receiving body b16. The head of the limiter base A3 is a mounting plate b17, with teeth circumferentially arranged on the inner wall of the mounting plate b17. A bracket is inserted into the teeth for a connecting mechanism. Head 2, mounting plate a14 and mounting plate b17 are fixed together. The rear of mounting plate b17 is mounting cylinder 18. A hexagonal positioning rod 10 is inserted into the bottom opening of mounting cylinder 18. A screw 9 is provided in the hexagonal positioning rod 10. The left end of the screw 9 is locked at the bottom of mounting cylinder 18. It is connected to the inner wall of screw 9 by connecting screw 7 passing through mounting hole d. A rotating wheel 11 is provided on the right side of screw 9. A positioning head 12 is fixedly provided on screw 9. A thread 19 is provided in the middle of one side of mounting plate a14. A positioning screw 5 is provided at the thread. The head cover 8 is fitted on the receiving body a15. The positioning screw 5 is in contact with the tooth body of the gear plate.

[0014] The mounting plate a14 has two fixing strips a20 on its left side edge, with a connecting body between the outer sides of the fixing strips a20. The fixing strips a20 have a hollow part and a mounting hole a. The mounting plate a14 has two fixing strips b21 on its right side edge, with a positioning screw 5 located between the fixing strips b21. The positioning screw 5 is set perpendicular to the edge. The surface of the fixing strip b21 has a hollow part and a mounting hole b. The lower outer wall of the receiving body a15 has a buckle 22, which fixes the headgear 8.

[0015] The mounting plate b17 has mounting holes c at the four corners of its surface. The base fixing screw 1 passes through the mounting hole c to fix the mounting holes a and b. The back of the mounting plate b17 has a limiting block 23 and a positioning screw holder 24. The limiting block 23 is located between the fixing strips a20, and the positioning screw holder 24 is located between the fixing strips b21. The bottom of the mounting cylinder 18 has a connecting cylinder 25. The connecting cylinder 25 is inserted into the inner wall of the left side of the screw 9, and the connecting screw 7 passes through the connecting cylinder 25 and is fixed to the inner wall of the screw 9.

[0016] The bottom opening of the container b16 is hexagonal, matching the hexagonal positioning rod 10.

[0017] The right inner wall of the hexagonal positioning rod 10 is provided with a locking tooth, which is locked onto the screw 9. The right end of the right part of the hexagonal positioning rod 10 is provided with a support sleeve, which is in contact with the rotating wheel 11. The inner wall of the rotating wheel 11 is provided with a rotating tooth 26, which is locked onto the screw 9.

[0018] The bottom end of the screw 9 is inserted into the positioning head 12 and fixed by the positioning head fixing screw 13.

[0019] In use, the limiters are divided into left and right sides. Initially, positioning screw 5 is loose, and the hexagonal positioning rod 10 and rotating wheel 11 are located on the far right, which is the upper limit position. Roll the blind to the upper limit position, insert the limit ring into the blind tube. Use the right limiter for left-hand blind pulling and the left limiter for right-hand blind pulling. After selecting, insert the limiter into the tube. Install the blind with the pull head and limiters onto the window frame bracket. Then pull the pull head to lower the blind to the desired limit position. Stop pulling the pull head and tighten positioning screw 5 with a Phillips screwdriver. Installation is complete. If the lower limit is too low, pull the pull head to raise the blind to the desired position, loosen positioning screw 5, and then adjust rotating wheel 11 downwards until it stops moving. Tighten positioning screw 5 with a Phillips screwdriver. Adjustment is complete. If the lower limit is too high, loosen positioning screw 5, pull the pull head to lower the blind to the desired position, and then tighten positioning screw 5 with a Phillips screwdriver. Adjustment is complete. Adjusting gear 6 rotates, and screw 9 rotates. The hexagonal positioning rod 10 and the rotating wheel 11 move left and right to adjust the fixed position and achieve lower limit adjustment. The adjusting gear rotates, driving the hexagonal positioning rod 10, which in turn drives the rotating wheel 11 to move left and right. This is the adjustment process. After the positioning screw 5 is installed and fixed, the adjusting gear 6 and the hexagonal positioning rod 10 will not move. Then, the zipper is pulled, the tube rotates, and the rotating wheel 11 rotates and moves left and right. The rotating wheel 11 has six feet to hold the tube in place. The rotating wheel 11 rotates on the thread and moves to various positions to fix both the upper and lower limits. The screw 9 is set independently to avoid easy breakage when connected to the cylinder, which would affect the use and reduce the service life. This product is available in left and right versions and is suitable for simultaneous upper and lower positioning of roller blinds. The upper and lower positioning can be easily adjusted without removing the blinds, which is more convenient than traditional blind removal positioning. The multi-tooth design of the adjusting gear and the fixing screw ensure small error in the upper and lower limit height of the blinds. The bracket adapter 2 design is compatible with different models of brackets.

Claims

1. A roller shutter bidirectional limiter, including a limiter base B (4), characterized in that: The head of the limiter base B (4) is a mounting plate a (14), and the middle of the mounting plate a (14) is connected to the receiving body a (15). An adjusting gear plate (6) is inserted into the receiving body a (15). The head of the adjusting gear plate (6) is a gear plate, and the middle of the gear plate is connected to the receiving body b (16). The limiter base A (3) is inserted into the receiving body b (16). The head of the limiter base A (3) is a mounting plate b (17). The inner wall of the middle of the mounting plate b (17) is surrounded by teeth, and a bracket adapter (2) is inserted into the teeth. The mounting plate a (14) and the mounting plate b (17) are fixed together. The rear part is the mounting cylinder (18). A hexagonal positioning rod (10) is inserted into the bottom opening of the mounting cylinder (18). A screw (9) is provided in the hexagonal positioning rod (10). The left end of the screw (9) is stuck at the bottom end of the mounting cylinder (18). The connecting screw (7) passes through the mounting hole d and is connected to the inner wall of the screw (9). A rotating wheel (11) is provided on the right side of the screw (9). A positioning head (12) is fixedly provided on the screw (9). A thread (19) is provided in the middle of one side of the mounting plate a (14). A positioning screw (5) is provided at the thread. A head cover (8) is fitted on the receiving body a (15). The positioning screw (5) contacts the tooth body of the gear plate.

2. The roller shutter bidirectional limiter according to claim 1, characterized in that: The mounting plate a (14) has a fixing strip a (20) on the left side edge. There are two fixing strips a (20). There is a connector between the outer sides of the fixing strips a (20). The fixing strips a (20) have a hollow part and a mounting hole a. The mounting plate a (14) has a fixing strip b (21) on the right side edge. There are two fixing strips b (21). The positioning screw (5) is located between the fixing strips b (21). The positioning screw (5) is set perpendicular to the edge. The surface of the fixing strip b (21) has a hollow part and a mounting hole b. The lower outer wall of the receiving body a (15) has a buckle (22). The buckle (22) fixes the headgear (8).

3. The roller shutter bidirectional limiter according to claim 1, characterized in that: The mounting plate b (17) has mounting holes c at the four corners of its surface. The base fixing screw (1) passes through the mounting hole c to fix the mounting hole a and the mounting hole b. The mounting plate b (17) has a limiting block (23) and a positioning screw holder (24) on its back. The limiting block (23) is located between the fixing strips a (20), and the positioning screw holder (24) is located between the fixing strips b (21). The bottom end of the mounting cylinder (18) has a connecting sleeve (25). The connecting sleeve (25) is inserted into the inner wall of the left side of the screw rod (9), and the connecting screw (7) passes through the connecting sleeve (25) and is fixed on the inner wall of the screw rod (9).

4. The roller shutter bidirectional limiter according to claim 1, characterized in that: The bottom opening of the container b (16) is hexagonal, matching the hexagonal positioning rod (10).

5. The roller shutter bidirectional limiter according to claim 1, characterized in that: The right inner wall of the hexagonal positioning rod (10) is provided with a locking tooth, which is locked on the screw (9). The right end of the right part of the hexagonal positioning rod (10) is provided with a support sleeve, which is in contact with the rotating wheel (11). The inner wall of the rotating wheel (11) is provided with a rotating tooth (26), which is locked on the screw (9).

6. The roller shutter bidirectional limiter according to claim 1, characterized in that: The bottom end of the screw (9) is inserted into the positioning head (12) and fixed by the positioning head fixing screw (13).

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