WO2022166995A1

WO2022166995A1 - Hand-support zebra blind driven by spring rod

Info

Publication number: WO2022166995A1
Application number: PCT/CN2022/077347
Authority: WO
Inventors: 芦杰飞
Original assignee: 芦杰飞
Priority date: 2021-02-04
Filing date: 2022-02-23
Publication date: 2022-08-11
Also published as: CN215804287U

Abstract

Disclosed in the utility model is a hand-support zebra blind driven by a spring rod, the zebra blind comprising a left bracket and a right bracket which are arranged opposite each other. A roller is arranged between the left bracket and the right bracket; blind fabric is wound around an outer side of the roller; one of the left bracket and the right bracket is provided with the spring rod; the spring rod is inserted into the roller, is connected to an inner wall of the roller, and can drive the roller to rotate so as to roll up the blind fabric; the other one of the left bracket and the right bracket is provided with a tail plug; the tail plug is inserted into the roller, is connected to the inner wall of the roller, and generates resistance for preventing the roller from rotating; and the direction of the resistance is opposite the direction of a driving force generated by the spring rod. A drive used for driving the roller to rotate is arranged on the spring rod, and both the spring rod and the tail plug can extend into the roller, thereby preventing the thickness of the bracket from being configured to be too large, such that the problem of a gap between the blind fabric and a wall being too large is solved.

Description

A spring-rod driven hand-supported zebra blind

technical field

The utility model relates to the technical field of curtains, in particular to a hand-supported zebra curtain driven by a spring rod.

Background technique

Existing spring roller blinds, such as the use model patent application number 201821249939.1, discloses a hand-held zebra blind, including a left bracket, a right bracket and a scroll shaft between the two, and a right bracket is provided with a roller for rolling. The coiling device for taking the reel, the coiling device includes a right adjusting plunger, a spring leaf, a reed fixing plate and a reed coiling plate, the adjusting plunger is nested with a serrated turntable, and the spring leaf is sleeved on the loose state. On the reed fixing plate, the coiling end of the spring plate is clamped with the reed coiling plate; wherein, the reed coiling plate has a first gear; the second gear meshes with the first gear, and the second gear is connected with the adjusting plunger Plug-in, the curling device is used as a driving mechanism. Although the roller shutter can be rolled up, the bracket needs to leave space for the first gear and the second gear to accommodate, so that the thickness of the bracket is too large, which causes the two sides of the curtain to be connected to the wall. The gap between them is too large, so there is still some room for improvement.

Utility model content

The technical problem to be solved by the utility model is to provide a hand-supported zebra curtain driven by a spring rod, the thickness of the bracket is small, and the problem of excessively large gap between the curtain and the wall is solved.

The technical scheme adopted by the utility model to solve the above-mentioned technical problems is:

A hand-supported zebra blind driven by a spring bar includes a left bracket and a right bracket arranged oppositely, a reel is arranged between the left bracket and the right bracket, and a curtain is wound on the outside of the reel, and the left bracket is wound. One of the bracket and the right bracket is provided with a spring bar, the spring bar is inserted into the reel, connected with the inner wall of the reel and can drive the reel to rotate to wind up the curtain fabric, the left bracket and the The other one of the right brackets is provided with a tail plug, the tail plug is inserted into the reel, is connected with the inner wall of the reel and generates a resistance for preventing the rotation of the reel, and the resistance is connected with the spring. The driving force generated by the rod is in the opposite direction.

Preferably, the tail plug includes a fixed shaft, a first holding spring and a rotating sleeve sleeved in sequence from the inside to the outside, the inner side wall of the rotating sleeve is provided with a limiting rib, and the first holding spring has Two outwardly extending first limiting ends are respectively located on both sides of the limiting protruding rib.

Preferably, the fixed shaft is arranged on the left bracket, and the fixed shaft includes a first shaft portion, a second shaft portion and a third shaft portion which are concentrically connected in order from large to small in diameter. The spring is sleeved on the outer side of the second shaft portion, a limit ring is provided on the side of the tail plug away from the left bracket, and the right end of the second shaft portion abuts against the limit ring.

Preferably, the right end of the third shaft portion protrudes through the through hole in the middle of the limiting ring, and the right end of the third shaft portion is provided with a plurality of first notches along the axial direction, and two adjacent first Positioning elastic pieces are formed between the notches, and at least one of the positioning elastic pieces extending out of the through hole is provided with a buckle corresponding to the outer side surface of the limiting ring.

Preferably, the fixed shaft further includes a limit ring, the limit ring is located at the left end of the first shaft portion, the limit ring and the first shaft portion are provided with a first slot, the A first clamping block is arranged on the left bracket, and the first clamping block is inserted into the first clamping slot for preventing the rotation of the fixed shaft.

Preferably, the first card slot is a cross slot.

Preferably, the spring bar includes a main shaft, a spring main body, a positioning shaft, a left threaded seat and a right threaded seat, and the spring main body, the left threaded seat and the right threaded seat are all sleeved on the outside of the main shaft, and the left The threaded seat and the right threaded seat are respectively connected with both ends of the spring body;

The right bracket is provided with a tension adjuster, the tension adjuster is provided with a second slot, the right end of the positioning shaft is a special-shaped structure that extends into the second slot, and the left end of the positioning shaft It extends into the main shaft and is fixedly connected to the main shaft through bolts or pins, the part of the right threaded seat is correspondingly sleeved on the outside of the positioning shaft, and the space between the right threaded seat and the positioning shaft is limited. bit component;

An adjustment plug is fixedly connected to the left threaded seat, and the adjustment plug is connected with the inner wall of the reel, so as to drive the reel to rewind, and when the tension adjuster is adjusted, it can drive the positioning shaft and the main shaft. , The thread seat and the spring body rotate to adjust the tension of the spring body.

Preferably, the spring bar further comprises a tube plug, the tube plug is connected to the inner wall of the reel and can rotate with the reel, and the tube plug is sleeved on the outside of the tension adjuster and the positioning shaft.

Preferably, the right bracket is provided with a circular hole, the tension adjuster includes a first rotating part, a second rotating part, a second holding spring and a cover body, and the second slot is disposed in the first rotating part. The left side of the two rotating parts;

The right side of the first rotating member protrudes and extends into the circular hole, a stopper extends axially on the left side of the first rotating member away from the axis of the reel, and the second rotating member extends axially. An arc-shaped groove is arranged on the outer side of the device, and the stopper extends into the arc-shaped groove, so that the first rotating member and the second rotating member are fitted with each other to form a columnar structure with two second gaps. The second tightening spring is sleeved on the outside of the columnar structure, the second tightening spring has two second limit ends extending inward, and the two second limit ends are correspondingly inserted into the two ends of the columnar structure. within the second gap;

The opening of the cover body is fixedly connected to the right bracket, and is covered on the outside of the first rotating member, the second rotating member and the second holding spring, and the left side of the cover body is provided with a second A through hole that communicates with the card slot.

Preferably, the portion of the first rotating member extending into the circular hole is provided with a special-shaped groove, the left side of the first rotating member is provided with an annular rib, and the second rotating member is partially accommodated in inside the annular rib.

Compared with the prior art, the advantages of the hand-supported zebra blind driven by the spring bar of the present invention are:

1. The driver that drives the reel to rotate is set on the spring bar, and the spring bar and tail plug can be extended into the reel, which avoids setting the size of the bracket too thick, thereby solving the problem of excessive gap between the curtain and the wall;

2. There is a first holding spring in the tail plug, which increases the frictional resistance. The sum of the resistance generated by the tail plug and the weight of the curtain fabric is balanced with the driving force of the spring bar. Stop at any position, and as long as the curtain is lifted up, the driving force of the spring bar is greater than the resistance of the tail plug, and the automatic winding of the curtain can be realized;

3. By setting the tension adjuster on the right bracket, and inserting the tool into the special-shaped groove, the first rotating part and the second rotating part can be rotated, and then the positioning shaft, the main shaft and the right thread seat can be rotated, so as to adjust the spring The tension of the subject.

Description of drawings

Fig. 1 is the structural representation of the hand-supported zebra blind in the present embodiment;

Fig. 2 is the partial schematic diagram of the hand-supported zebra blind in the present embodiment;

3 is a schematic cross-sectional view of a tail plug in this embodiment;

4 is a schematic structural diagram of a tail plug in this embodiment;

Fig. 5 explodes schematic diagram 1 of the tail plug in the present embodiment;

Fig. 6 explodes schematic diagram 2 of tail plug in this embodiment;

Fig. 7 is the installation schematic diagram 1 of the spring bar in this embodiment;

Fig. 8 is the installation schematic diagram 2 of the spring bar in this embodiment;

9 is a schematic diagram of the installation of the positioning shaft and the right threaded seat in this embodiment;

Fig. 10 explodes schematic diagram 1 of the tension regulator in this embodiment;

Fig. 11 is the exploded schematic diagram 2 of the tension regulator in this embodiment;

FIG. 12 is a schematic view of the installation of the first rotating member and the second rotating member in this embodiment.

In the figure, 1, the left bracket; 11, the first block; 2, the right bracket; 21, the circular hole; 3, the reel; 4, the curtain; 5, the spring bar; 51, the main shaft; 52, the spring body; 53, Positioning shaft; 531, Positioning rib; 54, Left thread seat; 541, Adjusting plug; 55, Right thread seat; 551, Bar groove; 56, Pipe plug; 6, End plug; 61, Fixed shaft; 611, No. A shaft part; 612, the second shaft part; 613, the third shaft part; 6131, the first notch; 6132, the positioning spring; 6133, the buckle; 614, the limit ring; A holding spring; 621, the first limit end; 63, the rotating sleeve; 631, the limit rib; 632, the limit ring; 7, the tension adjuster; 71, the first rotating part; 711, the stopper; 712 713, annular rib; 72, the second rotating member; 721, the second slot; 722, the arc groove; 73, the second holding spring; 731, the second limit end; 74, the cover ; 75, the second gap.

Detailed ways

The present utility model will be further described in detail below with reference to the embodiments of the accompanying drawings.

A hand-supported zebra blind driven by a spring bar, as shown in Figures 1-12, includes a left bracket 1 and a right bracket 2 arranged oppositely, a reel 3 is arranged between the left bracket 1 and the right bracket 2, and the outer side of the reel 3 The curtain fabric 4 is wound around, and one of the left bracket 1 and the right bracket 2 is provided with a spring bar 5. The spring bar 5 is inserted into the reel 3, connected with the inner wall of the reel 3, and can drive the reel 3 to rotate and then rewind the curtain fabric 4. , the other of the left bracket 1 and the right bracket 2 is provided with a tail plug 6, the tail plug 6 is inserted into the reel 3, connected with the inner wall of the reel 3 and generates a resistance for preventing the rotation of the reel 3, and the resistance is related to the spring bar 5 The driving force generated is in the opposite direction.

In this embodiment, the tail plug 6 is arranged on the left bracket 1 , and the spring bar 5 is arranged on the right bracket 2 .

The tail plug 6 includes a fixed shaft 61, a first tightening spring 62 and a rotating sleeve 63 that are sleeved from the inside to the outside. The inner side wall of the rotating sleeve 63 is provided with a limiting rib 631, and the first tightening spring 62 has two The first limiting ends 621 extending outward, the two first limiting ends 621 are respectively located on both sides of the limiting ridges 631 to provide resistance when the rotating sleeve 63 rotates around the fixed shaft 61 .

Specifically, the fixed shaft 61 is provided on the left bracket 1 , and the fixed shaft 61 includes a first shaft portion 611 , a second shaft portion 612 and a third shaft portion 613 concentrically connected in order from large to small in diameter, and a first holding spring 62 The sleeve is sleeved on the outer side of the second shaft portion 612 , a limit ring 632 is provided on the side of the tail plug 6 away from the left bracket 1 , and the right end of the second shaft portion 612 abuts against the limit ring 632 , on the one hand, it can prevent the fixed shaft 61 from The side is disengaged from the rotating sleeve 63 , and on the other hand, the first holding spring 62 can be limited between the first shaft portion 611 and the limiting ring 632 , that is, outside the second shaft portion 612 .

The right end of the third shaft portion 613 protrudes through the through hole in the middle of the limiting ring 632 , and the right end of the third shaft portion 613 is provided with a plurality of first notches 6131 in the axial direction, and formed between two adjacent first notches 6131 There are positioning elastic pieces 6132 , at least one of the positioning elastic pieces 6132 extending out of the through hole is provided with a buckle 6133 .

The fixed shaft 61 further includes a limit ring 614 , the limit ring 614 is located at the left end of the first shaft portion 611 , the limit ring 614 and the first shaft portion 611 are provided with a first slot 615 , and the left bracket 1 is provided with a first slot 615 . The first clamping block 11 is inserted into the first clamping slot 615 to prevent the fixed shaft 61 from rotating. Specifically, the first clamping slot 615 is a cross slot.

The spring rod 5 includes a main shaft 51, a spring main body 52, a positioning shaft 53, a left threaded seat 54 and a right threaded seat 55. The spring main body 52, the left threaded seat 54 and the right threaded seat 55 are all sleeved on the outside of the main shaft 51, and the left threaded The seat 54 and the right screw seat 55 are connected to both ends of the spring main body 52, respectively.

The right bracket 2 is provided with a tension regulator 7, and the tension regulator 7 is provided with a second slot 721. The right end of the positioning shaft 53 is a special-shaped structure and extends into the second slot 721. In this embodiment, the second slot 721 721 is a square groove, the left end of the positioning shaft 53 extends into the main shaft 51 and is fixedly connected with the main shaft 51 by bolts or pins, and the part of the right thread seat 55 is correspondingly sleeved on the outside of the positioning shaft 53, and the right thread seat 55 and the positioning shaft 53 A limiting component is arranged therebetween; specifically, the limiting component includes a positioning rib 531 extending axially on the outside of the positioning shaft 53 and a strip groove 551 provided on the inner wall of the right threaded seat 55 .

An adjusting plug 541 is fixedly connected to the left threaded seat 54, and the adjusting plug 541 is connected with the inner wall of the reel 3, so as to drive the reel 3 to rewind, and when adjusting the tension adjuster 7, it can drive the positioning shaft 53, the main shaft 51, and the threaded seat. And the spring main body 52 rotates. During this process, the left thread seat 54 is fixed because it is connected with the inner wall of the reel 3 , thereby adjusting the tension of the spring main body 52 .

The spring bar 5 also includes a tube plug 56 , which is connected to the inner wall of the reel 3 and can rotate with the reel 3 .

The right bracket 2 is provided with a circular hole 21, the tension adjuster 7 includes a first rotating member 71, a second rotating member 72, a second holding spring 73 and a cover 74, and a second slot 721 is provided in the second rotating member 72 to the left.

The right side of the first rotating member 71 protrudes and protrudes into the circular hole 21 , the left side of the first rotating member 71 is deviated from the axis of the reel 3 with a stopper 711 extending axially, and the outer side of the second rotating member 72 extends axially. An arc-shaped groove 722 is provided, and the stopper 711 extends into the arc-shaped groove 722, so that the first rotating member 71 and the second rotating member 72 are fitted with each other to form a columnar structure with two second notches 75, and the second holding spring 73 Sleeved on the outside of the columnar structure, the second holding spring 73 has two second limit ends 731 extending inwardly, and the two second limit ends 731 are correspondingly inserted into the two second notches 75 of the columnar structure , so that the first rotating member 71 and the second rotating member 72 are installed on the right bracket 2 in a static state without external force adjustment.

The opening of the cover body 74 is fixedly connected with the right bracket 2 toward the right, and is covered on the outside of the first rotating member 71 , the second rotating member 72 and the second holding spring 73 . A through hole communicated with the card slot 721 , and the end of the positioning shaft 53 is inserted into the second card slot 721 after passing through the through hole.

A special-shaped groove 712 is provided on the part of the first rotating member 71 that extends into the circular hole 21 , an annular rib 713 is provided on the left side of the first rotating member 71 , and a portion of the second rotating member 72 is accommodated in the annular rib 713 , so that the second rotating member 72 can only rotate within the range set by the annular retaining edge 713 .

Compared with the prior art, the advantage of the hand-held zebra blind driven by the spring bar of the present invention is that the driver for driving the reel 3 to rotate is arranged on the spring bar 5, and both the spring bar 5 and the tail plug 6 can extend into the reel 3. It avoids setting the size of the bracket to be too thick, thereby solving the problem that the gap between the curtain 4 and the wall is too large. The tail plug 6 is provided with a first holding spring 62, which increases the frictional resistance. The resistance generated by the tail plug 6 and the weight of the curtain cloth 4 are balanced with the driving force of the spring bar 5. When the curtain cloth 4 is pulled downward to expand, let go. The rear curtain fabric 4 can be stopped at any position, and as long as the curtain fabric 4 is lifted upward, the driving force of the spring bar 5 is greater than the resistance of the tail plug 6, and the automatic winding of the curtain fabric 4 can be realized. By arranging the tension adjuster 7 on the right bracket 2 and extending into the special-shaped groove 712 by means of a tool, the first rotating member 71 and the second rotating member 72 can be rotated, so that the positioning shaft 53 , the main shaft 51 and the right threaded seat 55 can be rotated. , so as to adjust the tension of the spring body 52 .

Although the preferred embodiments of the present invention have been described in detail above, it should be clearly understood that various modifications and variations of the present invention are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

A hand-supported zebra blind driven by a spring bar, comprising a left bracket (1) and a right bracket (2) arranged oppositely, and a scroll shaft (3) is arranged between the left bracket (1) and the right bracket (2). ), the outer side of the reel (3) is wound with a curtain (4), characterized in that: one of the left bracket (1) and the right bracket (2) is provided with a spring bar (5), and the A spring bar (5) is inserted into the reel (3), is connected to the inner wall of the reel (3), and can drive the reel (3) to rotate to rewind the curtain fabric (4). The left bracket (1) and the other of the right bracket (2) is provided with a tail plug (6), the tail plug (6) is inserted into the reel (3), connected with the inner wall of the reel (3) and produces The resistance for preventing the rotation of the reel (3), the resistance is opposite to the direction of the driving force generated by the spring bar (5).
The hand-supported zebra curtain driven by a spring bar according to claim 1, characterized in that: the tail plug (6) comprises a fixed shaft (61) and a first holding spring (62) sleeved sequentially from the inside to the outside and a rotating sleeve (63), the inner side wall of the rotating sleeve (63) is provided with a limiting rib (631), and the first holding spring (62) has two outwardly extending first limiting ends ( 621), and the two first limiting ends (621) are respectively located on both sides of the limiting protruding edge (631).
The hand-supported zebra blind driven by spring bars according to claim 2, characterized in that: the fixed shaft (61) is arranged on the left bracket (1), and the fixed shaft (61) includes a diameter ranging from large to The first shaft portion (611), the second shaft portion (612) and the third shaft portion (613) are concentrically connected in sequence, and the first holding spring (62) is sleeved on the second shaft portion (612). ), a limit ring (632) is provided on the side of the tail plug (6) away from the left bracket (1), and the right end of the second shaft portion (612) abuts against the limit ring (632). ).
The hand-supported zebra blind driven by a spring bar according to claim 3, characterized in that: the right end of the third shaft portion (613) protrudes through the through hole in the middle of the limiting ring (632), and the The right end of the third shaft portion (613) is provided with a plurality of first notches (6131) in the axial direction, and positioning elastic pieces (6132) are formed between two adjacent first notches (6131), and at least one of the positioning elastic pieces (6131) is formed. 6132) A buckle (6133) is provided on the outer side of the part protruding from the through hole, and the buckle (6133) corresponds to the outer side of the limit ring (632).
The hand-supported zebra blind driven by spring bars according to claim 3, characterized in that: the fixed shaft (61) further comprises a limit ring (614), and the limit ring (614) is located on the first shaft The left end of the part (611), the limiting ring (614) and the first shaft part (611) are provided with a first clamping slot (615), and the left bracket (1) is provided with a first clamping block (11), the first clamping block (11) is inserted into the first clamping slot (615) to prevent the fixed shaft (61) from rotating.
The hand-supported zebra blind driven by a spring bar according to claim 5, characterized in that: the first card slot (615) is a cross slot.
The hand-supported zebra blind driven by a spring bar according to any one of claims 1-6, characterized in that: the spring bar (5) comprises a main shaft (51), a spring main body (52), a positioning shaft (53), A left threaded seat (54) and a right threaded seat (55), the spring main body (52), the left threaded seat (54) and the right threaded seat (55) are all sleeved on the outside of the main shaft (51), and all The left threaded seat (54) and the right threaded seat (55) are respectively connected with both ends of the spring body (52);

The right bracket (2) is provided with a tension regulator (7), the tension regulator (7) is provided with a second slot (721), and the right end of the positioning shaft (53) is a special-shaped structure extending into into the second slot (721), the left end of the positioning shaft (53) extends into the main shaft (51) and is fixedly connected to the main shaft (51) through bolts or pins, and the right threaded seat The part of (55) is correspondingly sleeved on the outside of the positioning shaft (53), and a limit assembly is provided between the right threaded seat (55) and the positioning shaft (53); (53) A positioning rib (531) extending in the axial direction on the outer side, and a strip groove (551) provided on the inner wall of the right threaded seat (55),

An adjustment plug (541) is fixedly connected to the left threaded seat (54), and the adjustment plug (541) is connected with the inner wall of the reel (3), so as to drive the reel (3) to rewind, and adjust The tension adjuster (7) can drive the positioning shaft (53), the main shaft (51), the threaded seat and the spring body (52) to rotate, thereby adjusting the tension of the spring body (52).
The hand-supported zebra blind driven by a spring bar according to claim 7, characterized in that: the spring bar (5) further comprises a pipe plug (56), and the pipe plug (56) is connected to the reel (3). The inner wall is connected and can rotate with the reel (3), and the pipe plug (56) is sleeved on the outside of the tension adjuster (7) and the positioning shaft (53).
The hand-supported zebra blind driven by spring bars according to claim 7, characterized in that: the right bracket (2) is provided with a circular hole (21), and the tension adjuster (7) comprises a first rotating member (71), a second rotating member (72), a second holding spring (73) and a cover (74), the second slot (721) is provided on the left side of the second rotating member (72) ;

The right side of the first rotating member (71) protrudes and extends into the circular hole (21), and the left side of the first rotating member (71) deviates from the position axis of the axis of the reel (3) A stopper (711) extends toward the side, an arc-shaped groove (722) is provided on the outer side of the second rotating member (72), and the stopper (711) extends into the arc-shaped groove (722), so that all The first rotating member (71) and the second rotating member (72) are fitted with each other to form a columnar structure with two second notches (75), and the second holding spring (73) is sleeved on the columnar structure On the outside, the second holding spring (73) has two second limiting ends (731) extending inward, and the two second limiting ends (731) are correspondingly inserted into the two second limiting ends of the columnar structure. two gaps (75);

The opening of the cover body (74) is fixedly connected to the right bracket (2) toward the right, and is covered by the first rotating member (71), the second rotating member (72) and the second holding spring (73) The outer side of the cover body (74) is provided with a through hole communicating with the second card slot (721).
The hand-supported zebra blind driven by spring bars according to claim 9, characterized in that: a special-shaped groove (712) is provided in the part of the first rotating member (71) extending into the circular hole (21) The left side of the first rotating member (71) is provided with an annular retaining edge (713), and the second rotating member (72) is partially accommodated in the annular retaining edge (713).