Curtain lock

By designing a combined structure of arc groove, grooved disc, double winding wheel, ball chain and guide pulley, the problem of the pull rope sagging in bamboo curtain locks was solved, thus improving the aesthetics and safety of bamboo curtains.

CN223908131UActive Publication Date: 2026-02-13YIXING XUANLONG HARDWARE MANUFACTURING CO LTD
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Patent Information

Application Number
CN202520437075.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-13
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing bamboo curtain lock has an excessively long pull rope that hangs down to the ground when it is retracted, which affects the appearance and poses a safety hazard.

Method used

A curtain lock has been designed, which adopts a combination structure of arc groove, grooved wheel, double winding wheel, ball chain, bamboo curtain accessories and guide pulley. The winding and releasing of the pull cord is realized by the cooperation of the ball chain and the grooved wheel, which replaces the traditional pull cord lock.

Benefits of technology

This improves both the aesthetics and safety of bamboo blinds, prevents the pull cord from drooping, and ensures the overall aesthetics and safety of the blinds.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223908131U_ABST
    Figure CN223908131U_ABST
Patent Text Reader

Abstract

The utility model discloses a curtain lock which comprises a fixing seat, an arc-shaped groove is formed in the bottom of the fixing seat, a wheel disc with a groove is arranged on the inner side of the arc-shaped groove, an installation shaft of the wheel disc with the groove penetrates through the inner wall of the arc-shaped groove and extends to the outer side of the fixing seat, and the installation shaft of the wheel disc with the groove is fixedly connected with double winding wheels. And a ball chain is embedded in the outer surface of the grooved wheel disc, and the arc-shaped surface of the inner top of the arc-shaped groove is attached to the ball chain. According to the bamboo curtain winding and releasing device, the arc-shaped groove, the grooved wheel disc, the fixing base, the double winding wheels, the ball chain, the bamboo curtain accessory, the guide pulley, the fixing block and the pull rope are arranged, the rolling or releasing operation of the pull rope is achieved through the cooperation of the ball chain and the grooved wheel disc, and therefore the bamboo curtain is wound or released, an original pull rope lock structure is replaced, and the phenomenon that when the bamboo curtain is wound, the bamboo curtain cannot be damaged is avoided. When the pull rope is pulled out, a long pull rope can fall on the ground, so that the influence on cleaning of the ground is prevented, the overall use attractiveness is ensured, and the use safety is also ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a lock technical field especially relates to a curtain lock. BACKGROUND

[0002] According to the present market's curtain, can divide into: ordinary curtain, roman curtain, vertical curtain, louver, roller shutter, bamboo curtain, wooden louver, organ curtain.

[0003] Among them, bamboo curtain is made of bamboo, has natural, environmental protection characteristics, often used for sunshade, heat insulation and decoration. Bamboo curtain is not only practical, but also can add natural atmosphere to indoor, is suitable for various home styles. Indoor hanging bamboo curtain gives people the feeling of simple and elegant, makes space full of book fragrance. The bamboo curtain's collection curtain mode has folding type (roman curtain) or front roll type.

[0004] At present, the lock used for front roll type bamboo curtain is matched with a pull rope, and the pull rope and the lock can be matched to realize the collection and release operation of the bamboo curtain.

[0005] In actual application, there are great defects, first, when the bamboo curtain is collected, a long pull rope is left out and hangs on the ground, which not only affects the overall aesthetic property, but also affects the ground cleaning position, and there is certain safety hazard, therefore, a curtain lock is provided. UTILITY MODEL CONTENTS

[0006] The utility model discloses in order to solve the existing technical field's shortcomings, and proposes a curtain lock.

[0007] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: a curtain lock, including fixed seat, the bottom of fixed seat is equipped with arc slot, the inboard of arc slot is equipped with slotted wheel disc, and the mounting shaft of slotted wheel disc penetrates the inner wall of arc slot and extends to the outside of fixed seat, the mounting shaft of slotted wheel disc is fixedly connected double winding wheel;

[0008] The outer surface of slotted wheel disc is embedded with ball chain, and the inner top arc surface of arc slot is attached to the ball chain;

[0009] One side of fixed seat is equipped with two bamboo curtain accessories, the inboard of two bamboo curtain accessories is fixedly connected with fixed block, the inboard of two bamboo curtain accessories is rotatably installed with guide pulley, the bottom of two fixed blocks is fixedly connected with pull rope, and the pull rope is attached to the guide pulley and is fixedly connected with double winding wheel.

[0010] Further, the top of fixed seat is symmetrically equipped with two mounting holes, and the mounting hole is beneficial to the fixed installation of fixed seat.

[0011] Further, the slotted wheel disc comprises a disc body, the disc body is arranged at the inner side of the arc-shaped slot, and the mounting shaft of the disc body is rotationally connected between the fixing seat, the outer surface of the disc body is provided with a plurality of spherical grooves, and the spherical grooves are matched with the ball chain, and the cooperation between the ball chain and the spherical grooves can drive the disc body to rotate.

[0012] Further, the double winding wheel comprises a main shaft, and the main shaft is fixedly connected with the mounting shaft of the disc body, the outer surface of the main shaft is uniformly and fixedly sleeved with three baffles, a connecting lug is arranged between adjacent two baffles, the connecting lug is fixedly connected with the main shaft and fixedly connected with adjacent two pulling ropes, and the arrangement of the connecting lug is beneficial to fixing the pulling rope on the main shaft.

[0013] Further, the top of each of the two bamboo curtain accessories is provided with a triangular hanging frame, and the bamboo curtain accessory is rotationally sleeved on the outer surface of the triangular hanging frame, and the triangular hanging frame is beneficial to the hanging installation of the bamboo curtain accessory, thereby facilitating the hanging installation of the bamboo curtain.

[0014] Further, the outer surface of each of the two bamboo curtain accessories is provided with two through holes, and the through holes are beneficial to the fixed connection between the bamboo curtain accessory and the bamboo curtain.

[0015] Further, the inner wall of the guide pulley side is fixedly connected with a limiting plate, and the pulling rope is located between the limiting plate and the guide pulley, the limiting plate has a limiting effect, and the pulling rope is prevented from being separated from the guide pulley.

[0016] The beneficial effects of the utility model are as follows:

[0017] In use, the window curtain lock has the arc-shaped slot, the slotted wheel disc, the fixing seat, the double winding wheel, the ball chain, the bamboo curtain accessory, the guide pulley, the fixing block and the pulling rope, the cooperation between the ball chain and the slotted wheel disc can realize the winding or releasing operation of the pulling rope, the bamboo curtain can be wound up or released, the original pulling rope lock structure is replaced, a long pulling rope is prevented from falling on the ground when the bamboo curtain is wound up, the ground is prevented from being affected, the overall use is ensured to be beautiful, and the use safety is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the following will briefly introduce the drawings needed to be used in the specific implementation manner, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the drawings without paying creative labor.

[0019] Fig. 1 The front view of the utility model,

[0020] Fig. 2The utility model discloses a fixed seat, ball chain, double winding wheel combination perspective view.

[0021] Fig. 3 The utility model discloses a fixed seat, double winding wheel and grooved wheel disc combination perspective view.

[0022] Fig. 4 The utility model discloses a bamboo curtain accessory, pull rope combination perspective view.

[0023] The signs are as follows:

[0024] 1, triangular hanger, 2, fixed seat, 3, baffle, 4, ball chain, 5, pull rope, 6, mounting hole, 7, connecting lug, 8, spherical groove, 9, disc body, 10, arc slot, 11, main shaft, 12, bamboo curtain accessory, 13, through -hole, 14, limit board, 15, guide pulley, 16, fixed block. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0026] As Figs. 1 to 4 The utility model discloses a window curtain lock, including fixed seat 2, the top of fixed seat 2 is opened with two mounting holes 6.

[0027] The bottom of fixed seat 2 is opened with arc slot 10, the inner side of arc slot 10 is equipped with grooved wheel disc, and the installation shaft of grooved wheel disc penetrates the inner wall of arc slot 10 and extends to the outside of fixed seat 2, the outer surface of grooved wheel disc is embedded with ball chain 4, ball chain 4 is composed of a back shape thin rope and a plurality of balls, the ball is fixedly sleeved on the back shape thin rope, and the inner top arc surface of arc slot 10 is attached to ball chain 4, the grooved wheel disc includes disc body 9, and the disc body 9 is arranged on the inner side of arc slot 10, and the installation shaft of disc body 9 is rotatably connected between fixed seat 2, the outer surface of disc body 9 is opened with a plurality of spherical grooves 8, and the spherical groove 8 is matched with ball chain 4, the setting of the inner bottom arc surface of arc slot 10 can guarantee that the ball on ball chain 4 is embedded in the spherical groove 8 of the top region of disc body 9, and the driving effect of disc body 9 is guaranteed.

[0028] The mounting shaft of the slotted wheel disc is fixedly connected with the double winding wheels, the double winding wheels comprise a main shaft 11, and the main shaft 11 is fixedly connected with the mounting shaft of the disc body 9, three baffles 3 are uniformly fixedly sleeved on the outer surface of the main shaft 11, a connecting lug 7 is arranged between two adjacent baffles 3, and the connecting lug 7 is fixedly connected with the main shaft 11.

[0029] Two bamboo curtain accessories 12 are arranged on one side of the fixed seat 2, a fixed block 16 is fixedly connected with the inner wall of one side of each of the two bamboo curtain accessories 12, a guide pulley 15 is rotatably installed on the inner wall of the other side of each of the two bamboo curtain accessories 12, a pull rope 5 is fixedly connected with the bottom of each of the two fixed blocks 16 and is in contact with the guide pulley 15, a limiting plate 14 is fixedly connected with the inner wall of the side of each of the two bamboo curtain accessories 12 on which the guide pulley 15 is located, the pull rope 5 is located between the limiting plate 14 and the guide pulley 15, and the limiting plate 14 is arranged to avoid the pull rope 5 from being separated from the guide pulley 15 and ensure the guiding effect of the guide pulley 15.

[0030] The connecting lug 7 is fixedly connected with the adjacent pull rope 5, and in the installation process, the pull rope 5 can be tied to the connecting lug 7 to realize the connection between the pull rope 5 and the main shaft 11.

[0031] A triangular hanging rack 1 is arranged on the top of each of the two bamboo curtain accessories 12, and the bamboo curtain accessory 12 is rotatably sleeved on the outer surface of the triangular hanging rack 1, in the assembly process, an existing hook can be fixed at a suitable position, and then the triangular hanging rack 1 is hung on the hook to complete the hanging and installation of the bamboo curtain accessory, and two through holes 13 are arranged on the outer surface of each of the two bamboo curtain accessories 12, and the through holes 13 are arranged to facilitate the connection between the bamboo curtain accessory 12 and the bamboo curtain.

[0032] Working principle: in the assembly process, the top cross rod of the bamboo curtain is inserted into the two assembly accessories 12, and the connection between the two is realized through the cooperation of rivets or bolts, nuts and the through holes 13; in the installation process, the triangular hanging rack 1 is used to realize the hanging and installation of the bamboo curtain accessory 12 and the bamboo curtain, the fixed seat 2 is fixed at a suitable position through the cooperation of the mounting hole 6 and the nail; when the bamboo curtain needs to be rolled up, the ball chain 4 is pulled to move the ball chain 4, the ball chain 4 moves to drive the disc body 9 to rotate through the spherical groove 8, the disc body 9 drives the main shaft 11 to rotate, the main shaft 11 winds the pull rope 5 on the main shaft 11 through the connecting lug 7, and after the pull rope 5 is wound, the bottom of the bamboo curtain is wound and rises to realize the rolling operation.

[0033] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A window covering lock, characterized by: The utility model provides a kind of bamboo curtain, including fixed seat (2), the bottom of the fixed seat (2) is equipped with arc slot (10), the inner side of the arc slot (10) is equipped with grooved wheel disc, and the mounting shaft of grooved wheel disc penetrates the inner wall of arc slot (10) and extends to the outside of fixed seat (2), the mounting shaft of grooved wheel disc is fixedly connected double winding wheel; The outer surface of the grooved wheel disc is embedded with a ball chain (4), and the inner top arc surface of the arc slot (10) is in contact with the ball chain (4); One side of the fixed seat (2) is provided with two bamboo curtain accessories (12), the inner wall of one side of the two bamboo curtain accessories (12) is fixedly connected with a fixed block (16), the inner wall of the other side of the two bamboo curtain accessories (12) is rotatably installed with a guide pulley (15), the bottom of the two fixed blocks (16) is fixedly connected with a pull rope (5), and the pull rope (5) is in contact with the guide pulley (15) and is fixedly connected with the double winding wheel.

2. A window covering lock as in claim 1, wherein: Two mounting holes (6) are symmetrically formed in the top of the fixed seat (2).

3. A window covering lock as recited in claim 1, wherein: The grooved wheel disc includes a disc body (9), and the disc body (9) is arranged on the inner side of the arc slot (10), and the mounting shaft of the disc body (9) is rotatably connected between the fixed seat (2), the outer surface of the disc body (9) is provided with a plurality of spherical grooves (8), and the spherical grooves (8) are matched with the ball chain (4).

4. A window covering lock as recited in claim 3, wherein: The double winding wheel includes a main shaft (11), and the main shaft (11) is fixedly connected with the mounting shaft of the disc body (9), the outer surface of the main shaft (11) is uniformly fixedly sleeved with three baffles (3), adjacent two baffles (3) are provided with a connecting lug (7), the connecting lug (7) is fixedly connected between the main shaft (11), and is fixedly connected between the adjacent pull rope (5).

5. A window covering lock as recited in claim 1, wherein: The top of the two bamboo curtain accessories (12) is provided with a triangular hanger (1), and the bamboo curtain accessory (12) is rotatably sleeved on the outer surface of the triangular hanger (1).

6. A window covering lock as recited in claim 1, wherein: The outer surface of the two bamboo curtain accessories (12) is provided with two through holes (13).

7. A window covering lock as recited in claim 1, wherein: The inner wall of the guide pulley (15) on one side of the two bamboo curtain accessories (12) is fixedly connected with a limiting plate (14), and the pull rope (5) is located between the limiting plate (14) and the guide pulley (15).