Pull rope connecting device for built-in shutter hollow glass

By using a pulley mechanism and a sponge cushion to protect the pull rope in the pull rope connection device of the blind insulating glass, the problem of reduced life of the pull rope caused by friction is solved, and the service life of the pull rope is extended and the operation is convenient.

CN223482565UActive Publication Date: 2025-10-28WUHAN JINHONGSHENG ENERGY SAVING TECH CO LTD
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Patent Information

Application Number
CN202422765541.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-10-28
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

In the prior art, friction between the pull rope and the inner wall of the device reduces the service life of the pull rope, affecting the normal use of the device.

Method used

A pulley mechanism is used to limit the range of motion of the drawstring, and a sponge pad is set in the wire hole to protect the drawstring and reduce friction.

Benefits of technology

The design of the pulley mechanism and sponge cushion reduces friction between the drawstring and the device, prolongs the service life of the drawstring, and improves the service life and operational convenience of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shutters, and discloses a pull rope connecting device for built-in shutter hollow glass, which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is positioned in the main body mechanism, the main body mechanism comprises a shutter main body, a movable shutter, a positioning ring, a transmission rod and a first adjusting handle, the movable shutter is movably installed at the inner end of the shutter body, and the positioning ring is fixedly installed at the lower end of the left side of the shutter body. According to the pull rope connecting device for the built-in shutter hollow glass, the moving range of a first connecting pull rope on a first take-up wheel is limited and guided through a first fixed pulley and a second fixed pulley, the first connecting pull rope is prevented from making contact with the interior of the device in the using process, and similarly, the moving range of a second connecting pull rope of the device is limited by a third fixed pulley; according to the device, the moving direction and range of the pull rope are changed and limited through the pulley, so that friction borne by the pull rope during use is smaller, and the service life is longer.
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Description

Technical Field

[0001] This utility model relates to the field of blind technology, specifically a pull cord connection device for hollow glass with built-in blinds. Background Technology

[0002] Venetian blinds are a type of window that can protect privacy and block sunlight and ultraviolet rays. Venetian blind curtain walls have many advantages and are very beautiful, and are generally used in high-rise buildings.

[0003] The prior art CN212376560U proposes a pull rope connection device for hollow glass with built-in louvers. The third pull rope is raised and lowered by rotating the turntable, thereby achieving the purpose of raising and lowering the louvers. The setting of limit holes and limit blocks helps to lock the turntable to achieve the purpose of self-locking of the louvers. The self-locking in this way can avoid the problem of self-locking technology failure in the prior art.

[0004] In existing technology, a pull rope is usually used to pull the device. However, after prolonged use, the pull rope may rub against the inner wall of the device, which may reduce the lifespan of the pull rope and cause the device to become unusable. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The purpose of this utility model is to provide a pull rope connection device for insulated glass with built-in blinds, so as to solve the problem mentioned in the background art that the friction between the pull rope and the inner wall of the device may reduce the service life of the pull rope, thereby making the device unusable.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a pull cord connection device for insulated glass with built-in blinds, comprising a main body and an auxiliary body. The auxiliary body is located inside the main body. The main body includes a louver body, movable louvers, a positioning ring, a transmission rod, and a first adjustment handle. The movable louvers are movably installed at the inner end of the louver body. The positioning ring is fixedly installed at the lower left end of the louver body. The transmission rod is movably installed at the inner end of the positioning ring. The first adjustment handle is fixedly installed at the left end of the transmission rod. The other end of the transmission rod extends into the interior of the louver body.

[0009] Preferably, the main body mechanism further includes a second adjusting handle, a first take-up reel, a limiting rod, a positioning plate, a first connecting rope, a first fixed pulley, a second fixed pulley, a second take-up reel, a second connecting rope, and a third fixed pulley, wherein the second adjusting handle is movably installed on the left end of the first adjusting handle.

[0010] Preferably, the first take-up reel is movably mounted on the lower inner side of the louver body, the left surface of the first take-up reel is fixedly connected to the right surface of the transmission rod, the limiting rod is fixedly mounted on the right end of the first take-up reel, and the positioning piece is fixedly mounted on the right inner side of the louver body.

[0011] Preferably, the left surface of the positioning piece is slidably connected to the right surface of the limiting rod, the first connecting pull rope is movably installed on the outer end of the first take-up wheel, one end of the first connecting pull rope is fixedly connected to the outer surface of the first take-up wheel, and the first fixed pulley is movably installed on the upper inner side of the louver body.

[0012] Preferably, the second fixed pulley is movably mounted on the left end of the first fixed pulley, the second take-up pulley is movably mounted on the transmission end of the second adjusting handle, the second connecting rope is movably mounted on the outer end of the second take-up pulley, one end of the second connecting rope is fixedly connected to the second take-up pulley, and the third fixed pulley is movably mounted on the right end of the second take-up pulley.

[0013] Preferably, the auxiliary mechanism includes a double-glazed glass unit, a louver connecting rope, a connecting block, a first partition, a wire hole, a sponge pad, and a second partition. The double-glazed glass unit is fixedly installed at the inner end of the louver body, and the louver connecting rope is movably installed at the inner end of the movable louver.

[0014] Preferably, the docking block is fixedly installed on the upper end of the bottom movable louver, the first partition is fixedly installed on the upper end of the first take-up reel, the wire hole is fixedly set at the inner end of the first partition, the sponge pad is fixedly set at the inner end of the wire hole, the second partition is fixedly installed on the upper end of the first partition, and the inner end of the second partition is also provided with a sponge pad.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. The pull rope connecting device for the built-in louvered insulated glass, through the installation of the main body mechanism, allows the device to limit and guide the range of motion of the first connecting pull rope on the first take-up reel by the first and second fixed pulleys during use, preventing it from contacting the inside of the device during use and thus avoiding friction that would reduce its service life. Similarly, the range of motion of the second connecting pull rope is also limited by the third fixed pulley. The device changes and limits the direction and range of movement of the pull rope through the pulleys, resulting in less friction during use and a longer service life.

[0017] 2. The pull cord connection device for the built-in louvered insulated glass, through the installation of an auxiliary mechanism, allows the pull cord to be restricted during use via the wire holes in the first and second partitions. The wire holes are lined with soft sponge pads for better protection. The device rotates the first adjustment handle to rotate the first take-up wheel, winding the first connecting pull cord around it, thus causing the movable louvers to move upwards. At this time, the second connecting pull cord becomes longer. Conversely, rotating the connecting pull cord causes the second connecting pull cord to wind around the second take-up wheel, causing the movable louvers to move downwards. This device is more convenient to use. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 4 This is a cross-sectional structural diagram of the main body of this utility model.

[0022] In the diagram: 1. Main structure; 101. Venetian blind body; 102. Movable louver; 103. Positioning ring; 104. Transmission rod; 105. First adjustment handle; 106. Second adjustment handle; 107. First take-up reel; 108. Limiting rod; 109. Positioning piece; 110. First connecting rope; 111. First fixed pulley; 112. Second fixed pulley; 113. Second take-up reel; 114. Second connecting rope; 115. Third fixed pulley; 2. Auxiliary structure; 201. Insulating glass; 202. Venetian blind connecting rope; 203. Connecting block; 204. First partition; 205. Wire hole; 206. Sponge pad; 207. Second partition. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 - Figure 4This utility model provides a technical solution: a pull cord connection device for hollow glass with built-in blinds, including a main body 1 and an auxiliary body 2. The auxiliary body 2 is located inside the main body 1. The main body 1 includes a blind body 101, a movable louver 102, a positioning ring 103, a transmission rod 104 and a first adjustment handle 105. The movable louver 102 is movably installed at the inner end of the blind body 101. The positioning ring 103 is fixedly installed at the lower left end of the blind body 101. The transmission rod 104 is movably installed at the inner end of the positioning ring 103. The first adjustment handle 105 is fixedly installed at the left end of the transmission rod 104. The other end of the transmission rod 104 extends into the interior of the blind body 101.

[0025] The main body mechanism 1 also includes a second adjusting handle 106, a first take-up reel 107, a limiting rod 108, a positioning plate 109, a first connecting pull rope 110, a first fixed pulley 111, a second fixed pulley 112, a second take-up reel 113, a second connecting pull rope 114, and a third fixed pulley 115. The second adjusting handle 106 is movably mounted on the left end of the first adjusting handle 105. The first take-up reel 107 is movably mounted on the lower inner side of the louver body 101. The left surface of the first take-up reel 107 is fixedly connected to the right surface of the transmission rod 104. The limiting rod 108 is fixedly mounted on the right end of the first take-up reel 107. The positioning plate 109 is fixedly mounted on the right inner side of the louver body 101. The left surface of 09 is slidably connected to the right surface of the limiting rod 108. The first connecting pull rope 110 is movably installed on the outer end of the first take-up wheel 107. One end of the first connecting pull rope 110 is fixedly connected to the outer surface of the first take-up wheel 107. The first fixed pulley 111 is movably installed on the upper inner side of the louver body 101. The second fixed pulley 112 is movably installed on the left end of the first fixed pulley 111. The second take-up wheel 113 is movably installed on the transmission end of the second adjusting handle 106. The second connecting pull rope 114 is movably installed on the outer end of the second take-up wheel 113. One end of the second connecting pull rope 114 is fixedly connected to the second take-up wheel 113. The third fixed pulley 115 is movably installed on the right end of the second take-up wheel 113.

[0026] Auxiliary mechanism 2 includes insulated glass 201, louver connecting rope 202, connecting block 203, first partition 204, wire hole 205, sponge pad 206, and second partition 207. Insulated glass 201 is fixedly installed at the inner end of the louver body 101. Louver connecting rope 202 is movably installed at the inner end of the movable louver 102. Connecting block 203 is fixedly installed at the upper end of the lowest movable louver 102. First partition 204 is fixedly installed at the upper end of the first take-up reel 107. Wire hole 205 is fixedly located at the inner end of the first partition 204. Sponge pad 206 is fixedly located at the inner end of the wire hole 205. Second partition 207 is fixedly installed at the upper end of the first partition 204, and the inner end of the second partition 207 is also... Equipped with a sponge pad 206, this device restricts the pull rope through the wire hole 205 in the first partition 204 and the second partition 207 during use. The sponge pad 206 inside the wire hole 205 provides better protection. By rotating the first adjusting handle 105, the first take-up wheel 107 rotates, winding the first connecting pull rope 110 around it, thereby causing the first connecting pull rope 110 to move the movable louver 102 upward. At this time, the second connecting pull rope 114 becomes longer. Conversely, rotating the connecting pull rope 114 causes it to wind around the second take-up wheel 113, causing the movable louver 102 to move downward. This device is more convenient to use.

[0027] Working principle: During use, the first fixed pulley 111 and the second fixed pulley 112 restrict and guide the movement range of the first connecting rope 110 on the first take-up reel 107, preventing it from contacting the internal components of the device and thus reducing friction and lifespan. Similarly, the movement range of the second connecting rope 114 is also restricted by the third fixed pulley 115. This device uses pulleys to change and restrict the direction and range of rope movement, resulting in less friction and a longer service life. During use, the device utilizes the first partition 204 and the second partition... The wire hole 205 inside 207 restricts the pull rope, and a sponge pad 206 is provided inside the wire hole 205 for better protection. The device rotates the first adjustment handle 105 to rotate the first take-up wheel 107, which winds the first connecting pull rope 110 around the first connecting pull rope 110, thereby causing the first connecting pull rope 110 to move the movable louver 102 upward. At this time, the second connecting pull rope 114 becomes longer. Conversely, rotating the connecting pull rope 114 causes the second connecting pull rope 114 to wind around the second take-up wheel 113, causing the movable louver 102 to move downward. The device is more convenient to use.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Simple modifications or equivalent replacements of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A pull cord connection device for insulated glass with built-in blinds, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located inside the main body mechanism (1). The main body mechanism (1) includes a louver body (101), a movable louver (102), a positioning ring (103), a transmission rod (104), and a first adjustment handle (105). The movable louver (102) is movably installed at the inner end of the louver body (101). The positioning ring (103) is fixedly installed at the lower left end of the louver body (101). The transmission rod (104) is movably installed at the inner end of the positioning ring (103). The first adjustment handle (105) is fixedly installed at the left end of the transmission rod (104). The other end of the transmission rod (104) extends into the interior of the louver body (101).

2. The pull cord connection device for a built-in louvered insulated glass unit according to claim 1, characterized in that: The main body (1) also includes a second adjusting handle (106), a first take-up reel (107), a limit rod (108), a positioning plate (109), a first connecting pull rope (110), a first fixed pulley (111), a second fixed pulley (112), a second take-up reel (113), a second connecting pull rope (114), and a third fixed pulley (115). The second adjusting handle (106) is movably installed on the left end of the first adjusting handle (105).

3. The pull cord connection device for a built-in louvered insulated glass unit according to claim 2, characterized in that: The first take-up reel (107) is movably installed on the lower inner side of the louver body (101). The left surface of the first take-up reel (107) is fixedly connected to the right surface of the transmission rod (104). The limiting rod (108) is fixedly installed on the right end of the first take-up reel (107). The positioning piece (109) is fixedly installed on the right inner side of the louver body (101).

4. The pull cord connection device for a built-in louvered insulated glass unit according to claim 3, characterized in that: The left surface of the positioning piece (109) is slidably connected to the right surface of the limiting rod (108). The first connecting pull rope (110) is movably installed on the outer end of the first take-up wheel (107). One end of the first connecting pull rope (110) is fixedly connected to the outer surface of the first take-up wheel (107). The first fixed pulley (111) is movably installed on the upper inner side of the louver body (101).

5. The pull cord connection device for a built-in louvered insulated glass unit according to claim 4, characterized in that: The second fixed pulley (112) is movably installed on the left end of the first fixed pulley (111), the second take-up pulley (113) is movably installed on the transmission end of the second adjusting handle (106), the second connecting rope (114) is movably installed on the outer end of the second take-up pulley (113), one end of the second connecting rope (114) is fixedly connected to the second take-up pulley (113), and the third fixed pulley (115) is movably installed on the right end of the second take-up pulley (113).

6. The pull cord connection device for a built-in louvered insulated glass unit according to claim 5, characterized in that: The auxiliary mechanism (2) includes an insulated glass (201), a louver connecting rope (202), a docking block (203), a first partition (204), a wire hole (205), a sponge pad (206), and a second partition (207). The insulated glass (201) is fixedly installed at the inner end of the louver body (101), and the louver connecting rope (202) is movably installed at the inner end of the movable louver (102).

7. The pull cord connection device for a built-in louvered insulated glass unit according to claim 6, characterized in that: The docking block (203) is fixedly installed on the upper end of the bottom movable louver (102), the first partition (204) is fixedly installed on the upper end of the first take-up reel (107), the wire hole (205) is fixedly installed on the inner end of the first partition (204), the sponge pad (206) is fixedly installed on the inner end of the wire hole (205), the second partition (207) is fixedly installed on the upper end of the first partition (204), and the inner end of the second partition (207) is also provided with a sponge pad (206).