Locking-type tension adjustment device for honeycomb blinds

Abstract

The lock-plate type tension adjustment device of the honeycomb curtain has a lower rail of the honeycomb curtain, and the inner wall of the lower rail is formed with a left guide rib and a right guide rib, an opening is formed between the left and right guide ribs, and a lock plate made of metal material is arranged between the left and right guide ribs, the width S1 of the lock plate is greater than the width S2 of the opening, and the thickness T1 of the lock plate is greater than 1mm. There are card slots on both sides of the lock plate, and the card slots match the left and right guide ribs. A threading hole is opened above the middle of the lock plate. First, the lock plate has a simple structure, is easy to manufacture, and has a low product cost; second, the thickness of the lock plate is greater than 1mm, so that the thickness of the card slot can also be greater than 1mm, and when the card slot is tilted, it is guaranteed to be clamped with the left and right guide ribs; third, the lock plate is made of metal material, which has high structural strength on the one hand, and on the other hand, when it matches with the left and right guide ribs, the metal material is clamped more reliably, will not slide, is not easy to wear, and has a long service life.

Description

Technical Field

[0001] The invention relates to a guide pull cord of a honeycomb blind, in particular to a locking plate type pull cord tension regulating device of the honeycomb blind. Background Art

[0002] The honeycomb curtain is mainly composed of side rails, upper and lower rails, a shift rail and a curtain body, wherein the side rails and the upper and lower rails are fixedly connected by a connector, one end of the curtain body is fixed to the upper rail or the lower rail, and the other end of the curtain body is connected to the shift rail, and the shift rail slides up and down along the side rail. A pull wire is usually arranged in the side rail, and the pull wire passes through the shift rail and the curtain body, and guides and positions the shift rail and the curtain body up and down, and prevents the shift rail and the curtain body from being offset when they move. The pull wire in the prior art honeycomb curtain is usually tightened by a stud, by making a screw hole in the box cover, screwing the stud into the screw hole, manually wrapping the head of the pull wire around the outer wall of the stud to tighten the pull wire, and then tightening the stud downward with a screwdriver or other tools, and the pull wire is pressed and fixed by the ring at the upper end of the stud. The disadvantages of this structure are: it is cumbersome to operate, it is impossible to accurately adjust the tension of the pull wire, and the pull wire and the stud are easy to loosen, and the tightening reliability is poor. Therefore, someone applied for Chinese utility model patent 201820934979.3, and the patent name is "A sunshade skylight with convenient adjustment of pull ropes", which includes a window frame and a mesh. The window frame is composed of an upper rail, a lower rail, a left rail, a right rail and a connecting piece connecting the above-mentioned rail bodies. The upper rail and the lower rail are each slidably connected with a middle gear, and a middle rail is connected between the two middle gears. A wire buckle is provided on the middle rail, a gear strip is inserted on the right rail, and a wire buckle is provided on the gear strip. The mesh is connected between the middle rail and the gear strip, and a rack is provided on the left rail. A tightening rod is movably connected to the strip, one end of an adjusting rope is fixed to the wire buckle, and the other end of the adjusting rope passes through the mesh cloth, the wire buckle, the middle gear, the connecting piece and is fixed to the tightening rod in sequence. The structure is mainly composed of a rack and a tightening rod to adjust the pull rope. On the one hand, the patent does not introduce the specific structure of the rack and the tightening rod. On the other hand, since the rack is long and the structural strength is poor, after the tightening rod is subjected to the tension of the pull rope, the tightening rod will apply force to the rack, which can easily pull the rack upward, causing the rack to produce an arc-shaped arch, resulting in deformation of the rack or even breaking, and a short service life. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a locking plate type tension adjustment device for honeycomb blinds which has a simple structure, is easy to manufacture, is convenient to operate for tension adjustment of tension, and has a long service life.

[0004] The technical solution of the lock-plate type tension adjustment device of the honeycomb curtain of the present invention is: there is a lower rail of the honeycomb curtain, the inner wall of the lower rail is formed with a left guide rib and a right guide rib, an opening is formed between the left and right guide ribs, a lock plate made of metal material is arranged between the left and right guide ribs, the width S1 of the lock plate is greater than the width S2 of the opening, the thickness T1 of the lock plate is greater than 1mm, and slots are opened on both sides of the lock plate, the slots are matched with the left and right guide ribs, and a threading hole is opened above the middle of the lock plate.

[0005] The invention discloses a locking plate type tension adjustment device for a honeycomb curtain. The honeycomb curtain is mainly composed of side rails, upper and lower rails, a shift rail and a curtain body. The side rails are fixedly connected to the upper and lower rails via a connecting piece, and the upper end of the curtain body is connected to the upper rail, and the lower end of the curtain body is connected to the shift rail. The shift rail is arranged between the left and right side rails and moves up and down along the left and right side rails. One end of the pull wire passes through the shift rail and the curtain body, and the other end of the pull wire moves downward along the side rail and bypasses the connecting piece between the side rail and the lower rail (the above specific structures are all existing technologies). A locking plate made of metal material is arranged between the left and right guide ribs of the lower rail, and a threading hole is opened in the locking plate. The other end of the pull wire passes through the threading hole and a knot is tied to fix the pull wire to the locking plate. The card slots on both sides of the locking plate are connected to the left and right guide ribs. The right guide rib is slidably matched. When people want to adjust the tightness of the pull wire, they pull the locking plate to make the locking plate and the left and right guide ribs in a vertical state. At this time, the slot in the locking plate and the left and right guide ribs are in a horizontal state, and the slot can be easily moved along the left and right guide ribs. When the pull wire is moved to a tensioned state, the locking plate is released, and the pull wire pulls the upper part of the locking plate (located on the upper part of the left and right guide ribs) to tilt forward, while the lower part of the locking plate (located on the lower part of the left and right guide ribs) tilts backward, so that the slot of the locking plate is tilted, and the upper end of the slot is tilted forward and stuck in the upper end of the left and right guide ribs, and the lower end of the slot is tilted backward and stuck in the lower end of the left and right guide ribs. The tighter the pull wire is pulled, the tighter the slot and the left and right guide ribs are stuck, thereby ensuring that the locking plate and the lower rail can be clamped reliably. The lock-plate type tension adjustment device of the honeycomb blind of the present invention has the following advantages: 1. The lock-plate structure is simple, the manufacturing is convenient, and the product cost is low; 2. The thickness of the lock-plate is greater than 1 mm, so the thickness of the card slot can also be greater than 1 mm, and when the card slot is tilted, it is ensured that it can be clamped with the left and right guide ribs; 3. The lock-plate is made of metal material, which has high structural strength on the one hand, and on the other hand, when it cooperates with the left and right guide ribs, the metal material is clamped more reliably, will not slide, is not easy to wear, and has a long service life.

[0006] The locking piece type tension adjustment device of the honeycomb blind of the present invention has the upper end face and the lower end face of the card slot as straight faces. The upper and lower end faces of the card slot are straight faces. When the locking piece is in a vertical state with the left and right guide ribs, the straight faces are horizontal with the left and right guide ribs. At this time, the locking piece can be slid and slides easily. When the locking piece is tilted by the tension of the pull wire, the straight angle between the straight face and the outer wall of the locking piece is stuck on the left and right guide ribs, ensuring that the locking piece is locked reliably.

[0007] A sliding block is arranged between the left and right guide ribs, and sliding grooves are formed on both sides of the sliding block, and the sliding grooves slide in cooperation with the left and right guide ribs. A convex piece is formed on the front side of the sliding block, and a swing groove is formed in the convex piece. The thickness T2 of the swing groove is greater than the thickness T1 of the locking piece. Guard ribs are formed on both sides of the lower end of the locking piece, and the locking piece is inserted into the swing groove, and the guard ribs of the locking piece are in limiting contact with the lower end of the convex piece. When the card slots on both sides of the single locking plate cooperate with the left and right guide ribs, the locking plate is made of metal material, which is thin and easy to deflect left and right, causing the card slot of the locking plate to escape from the left and right guide ribs. The sliding block is made of plastic material, and the thickness of the sliding block can be made thicker to increase the length of the sliding slot. The sliding slots on both sides slide and cooperate with the left and right guide ribs, so that the entire sliding block will not deflect, slide smoothly, and guide accurately. A swing groove is formed on the front side of the sliding block, and the locking plate is inserted into the swing groove. After the locking plate and the sliding block are combined and cooperate with the left and right guide ribs, the locking plate can also slide smoothly and guide accurately. The thickness of the swing groove is greater than the thickness of the locking plate, so that the locking plate can swing back and forth along the swing groove. When the pull wire pulls the locking plate, the locking plate swings slightly forward through the swing groove, so that the card slot of the locking plate can be locked with the left and right guide ribs. When people turn the locking plate to a vertical state, the locking plate swings backward through the swing groove, and the card slot of the locking plate is horizontal with the left and right guide ribs, so the locking plate can slide back and forth.

[0008] The lower end of the sliding block is provided with an elastic support sheet, which matches the lower end of the locking sheet and supports the lower end of the locking sheet, so that the locking sheet will not fall out easily when being assembled with the sliding block.

[0009] The rear side of the sliding block is provided with a rear pressing plate. With the rear pressing plate, when adjusting the tension of the pull line, people can press the locking plate with one finger and press the rear pressing plate with another finger to slide the sliding block and the locking plate, which is conducive to the force of the fingers. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional schematic diagram of the lock-type tension adjustment device of the honeycomb blind, the lower rail of the honeycomb blind, and the tension wire;

[0011] Figure 2 It is a front perspective schematic diagram of the locking-type tension adjustment device of the honeycomb blind;

[0012] Figure 3 It is a bottom-up stereoscopic schematic diagram of a locking-type tension adjustment device of a honeycomb blind;

[0013] Figure 4 It is a structural schematic diagram of a locking-type tension adjustment device for a honeycomb blind;

[0014] Figure 5 It is a three-dimensional schematic diagram of the exploded state of the lock-type tension adjustment device of the honeycomb blind;

[0015] Figure 6 It is a schematic diagram of the main view of the lock-type tension adjustment device of the honeycomb curtain and the lower rail of the honeycomb curtain;

[0016] Figure 7 It is a three-dimensional schematic diagram of the coordination between the lock-type tension adjustment device of the honeycomb blind and the side rails, upper and lower rails, and connecting parts. DETAILED DESCRIPTION

[0017] The present invention relates to a locking plate type tension adjustment device for a honeycomb blind, such as Figure 1 — Figure 7As shown, there is a lower rail 1 of a honeycomb curtain, and the inner wall of the lower rail is formed with a left guide rib 2 and a right guide rib 3, an opening 4 is formed between the left and right guide ribs, and a locking piece 5 made of a metal material is arranged between the left and right guide ribs 2 and 3. The width S1 of the locking piece is greater than the width S2 of the opening, and the thickness T1 of the locking piece is greater than 1 mm. A card slot 6 is opened on both sides of the locking piece, and the card slot cooperates with the left and right guide ribs 2 and 3. A threading hole 8 is opened above the middle of the locking piece. The honeycomb curtain is mainly composed of a side rail 101, an upper and lower rail 102, a shift rail and a curtain body. The side rail is fixedly connected to the upper and lower rails via a connector 103, and the upper end of the curtain body is connected to the upper rail, and the lower end of the curtain body is connected to the shift rail. The shift rail is arranged between the left and right side rails and moves up and down along the left and right side rails. One end of the pull wire 104 passes through the shift rail and the curtain body, and the other end of the pull wire goes down along the side rail and bypasses the connector between the side rail and the lower rail (the above specific structures are all existing technologies). A locking piece 5 made of metal material is arranged between the left and right guide ribs 2 and 3 of the lower rail. A threading hole 8 is opened in the locking piece. The other end of the pull wire 104 passes through the threading hole and then a knot is tied to fix the pull wire to the locking piece. The card slots 6 on both sides of the locking piece slide with the left and right guide ribs 2 and 3. When people want to adjust When adjusting the tightness of the tension wire 104, pull the locking plate 5 so that the locking plate and the left and right guide ribs 2, 3 are in a vertical state. At this time, the slot 6 in the locking plate 5 and the left and right guide ribs 2, 3 are in a horizontal state, and the slot can be easily moved along the left and right guide ribs. When the cable is moved to the tensioned state, release the locking plate 5, and the cable 104 pulls the upper part of the locking plate (located on the upper part of the left and right guide ribs 2, 3) to tilt forward, while the lower part of the locking plate (located on the lower part of the left and right guide ribs) tilts backward, so that the slot 6 of the locking plate is tilted, and the upper end face of the slot is tilted forward and stuck in the upper end of the left and right guide ribs, and the lower end face of the slot is tilted backward and stuck in the lower end of the left and right guide ribs. The tighter the cable 104 is pulled, the tighter the slot 6 and the left and right guide ribs 2, 3 are stuck, thereby ensuring that the locking plate 5 and the lower rail 1 can be clamped reliably. The lock plate type tension adjustment device of the honeycomb curtain of the present scheme has the following advantages: 1. The lock plate 5 has a simple structure, is easy to manufacture, and has a low product cost; 2. The thickness of the lock plate is greater than 1 mm, so that the thickness of the card slot 6 can also be greater than 1 mm, and when the card slot is tilted, it is ensured that it can be clamped with the left and right guide ribs 2 and 3; 3. The lock plate 5 is made of metal material, which has high structural strength on the one hand, and on the other hand, when it cooperates with the left and right guide ribs, the metal material is clamped more reliably, will not slide, and is not easy to wear, and has a long service life. The upper end face and the lower end face of the card slot 6 are straight faces 7. The upper and lower end faces of the card slot 6 are straight faces 7. When the lock plate 5 is in a vertical state with the left and right guide ribs 2 and 3, the straight face is horizontal with the left and right guide ribs, and the lock plate 5 can be slid at this time, and the sliding is easy. When the lock plate is tilted by the tension of the pull wire 104, the straight angle between the straight face 7 and the outer wall of the lock plate 5 is clamped on the left and right guide ribs 2 and 3, ensuring that the lock plate 5 is locked reliably.A sliding block 10 is arranged between the left and right guide ribs 2 and 3, and sliding grooves 11 are formed on both sides of the sliding block, and the sliding grooves slide in cooperation with the left and right guide ribs. A protrusion 12 is formed on the front side of the sliding block 10, and a swing groove 13 is formed in the protrusion. The thickness T2 of the swing groove is greater than the thickness T1 of the locking plate 5. Stop ribs 14 are formed on both sides of the lower end of the locking plate. The locking plate is inserted into the swing groove, and the stop ribs of the locking plate are in limiting contact with the lower end of the protrusion 12. Since the slots 6 on both sides of the single locking piece 5 cooperate with the left and right guide ribs 2 and 3, the locking piece is made of metal material, which is thin and easy to swing left and right, causing the slots 6 of the locking piece 5 to escape from the left and right guide ribs 2 and 3, and the sliding block 10 is made of plastic material, the thickness of the sliding block can be made thicker, the length of the sliding groove 11 is increased, and the sliding grooves on both sides slide with the left and right guide ribs 2 and 3, so that the entire sliding block will not swing, the sliding is stable, and the guiding is accurate, and a swinging groove 13 is formed on the front side of the sliding block 10, and the locking piece 5 is inserted into the swinging groove, and the locking piece and the sliding block are After the moving blocks are combined and matched with the left and right guide ribs 2 and 3, the locking plate can also slide smoothly and guide accurately. The thickness of the swing groove 13 is greater than the thickness of the locking plate 5, so that the locking plate can swing forward and backward along the swing groove. When the pull wire 104 pulls the locking plate 5, the locking plate swings slightly forward through the swing groove 13, so that the locking groove 6 of the locking plate can be locked with the left and right guide ribs 2 and 3. When people move the locking plate 5 to a vertical state, the locking plate swings backward through the swing groove 13, and the locking groove 6 of the locking plate is in a horizontal state with the left and right guide ribs 2 and 3, so that the locking plate 5 can slide forward and backward. The lower end of the sliding block 10 is formed with an elastic support plate 15, which cooperates with the lower end of the locking plate 5. The elastic support plate 15 supports the lower end of the locking plate 5 so that the locking plate will not easily fall out when assembled with the sliding block 10. The rear side of the sliding block 10 is formed with a rear pressure plate 16. With the rear pressure plate 16, when people adjust the tightness of the pull wire 104, they can press the locking plate 5 with one finger and press the rear pressure plate 16 with another finger to slide the sliding block 10 and the locking plate 5, which is conducive to the force applied by the fingers.

Claims

1. A locking plate type tension adjustment device for a honeycomb curtain, comprising a lower rail (1) of the honeycomb curtain, the inner wall of the lower rail being provided with a left guide rib (2) and a right guide rib (3), an opening (4) being formed between the left and right guide ribs, and characterized in that: A locking piece (5) made of a metal material is arranged between the left and right guide ribs (2, 3), the width S1 of the locking piece is greater than the width S2 of the opening, the thickness T1 of the locking piece is greater than 1 mm, a card slot (6) is opened on both sides of the locking piece, the card slot is matched with the left and right guide ribs (2, 3), a threading hole (8) is opened on the middle upper part of the locking piece, a sliding block (10) is arranged between the left and right guide ribs (2, 3), a sliding groove (11) is formed on both sides of the sliding block, the sliding groove is slidably matched with the left and right guide ribs, a protruding piece (12) is formed on the front side of the sliding block, a swinging groove (13) is opened in the protruding piece, the thickness T2 of the swinging groove is greater than the thickness T1 of the locking piece (5), and retaining ribs (14) are formed on both sides of the lower end of the locking piece (5), the locking piece is inserted into the swinging groove, and the retaining ribs of the locking piece are in limiting contact with the lower end of the protruding piece (12).

2. The locking plate type tension adjustment device for honeycomb blinds according to claim 1, characterized in that: The upper end surface and the lower end surface of the slot (6) are straight surfaces (7).

3. The locking-plate tension adjustment device for honeycomb blinds according to claim 1, characterized in that: The lower end of the sliding block (10) is provided with an elastic supporting piece (15), which cooperates with the lower end of the locking piece (5).

4. The locking-plate tension adjustment device for honeycomb blinds according to claim 1, characterized in that: A rear pressure plate (16) is formed on the rear side of the sliding block (10).

Images