CN216974698U

CN216974698U - Rolling curtain

Info

Publication number: CN216974698U
Application number: CN202220024850.5U
Authority: CN
Inventors: 江财发
Original assignee: Guangdong Chuangming Sun Shade Technology Co ltd
Current assignee: Guangdong Chuangming Sun Shade Technology Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-07-15
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a rolling curtain, which comprises a base, a curtain, a rolling curtain shaft, a shell with a cavity for accommodating the rolling curtain shaft, a first clamping plate and a second clamping plate, wherein the first clamping plate is arranged on the shell; the section of the shell in the direction perpendicular to the axis of the roller shutter shaft is arc-shaped, the first clamping plate is connected with one end of the shell and is tangent to the circumferential side face of the shell, the second clamping plate is connected with the other end of the shell and is tangent to the circumferential side face of the shell, the first clamping plate and the second clamping plate are arranged at intervals, a preset gap is formed between the first clamping plate and the second clamping plate, the preset gap between the first clamping plate and the second clamping plate is gradually reduced along the direction departing from the shell, one end of the curtain is wound on the roller shutter shaft, and the other end of the curtain is connected with the base. The rolling curtain type curtain can enable the rolling curtain shaft to rotate more smoothly, avoids blocking when the rolling curtain shaft rolls or releases the curtain, and belongs to the technical field of curtains.

Description

Rolling curtain

Technical Field

The utility model relates to the technical field of curtains, in particular to a roller shutter type curtain.

Background

The traditional rolling curtain needs to be provided with a rolling curtain type curtain to roll the curtain, and a rolling shaft for rolling and releasing the curtain is arranged in the rolling curtain type curtain. The existing rolling curtain is square, a square cavity for accommodating a rolling shaft is arranged in the rolling curtain, and a strip-shaped groove for allowing a curtain to pass through is arranged on an upper cover of the rolling curtain. Because the cavity in the roller shutter type curtain is square and the inner wall of the cavity has a right angle, the curtain is accommodated and rubbed with the inner wall of the cavity and the edge of the strip-shaped groove in the rolling and releasing processes, and the curtain is not smoothly slid to cause blocking.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model aims to: the utility model provides a rolling curtain, which can enable a rolling shaft to rotate more smoothly and avoid the blocking when the rolling shaft rolls or releases a curtain.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a roller blind type curtain comprises a base, a curtain, a roller blind shaft, a shell with a cavity for accommodating the roller blind shaft, a first clamping plate and a second clamping plate; the cross section of the shell in the direction vertical to the axis of the roller shutter shaft is arc-shaped;

first splint with the one end of casing is connected and with the circumference side of casing is tangent, the second splint with the other end of casing is connected and with the circumference side of casing is tangent, first splint with the second splint interval sets up just first splint with form predetermined clearance between the second splint, the one end of curtain is convoluteed on rolling up the curtain axle, the other end of curtain passes predetermined clearance with pedestal connection is along deviating from in the direction of casing, predetermined clearance reduces gradually.

Further, the method comprises the following steps: the rolling curtain also comprises a motor which is arranged in the cavity and is in transmission connection with the rolling curtain shaft.

Further, the method comprises the following steps: the first clamping plate and the shell are integrally formed; the second splint include with casing integrated into one piece's first plate body and with the second plate body of first plate body detachable connection.

Further, the method comprises the following steps: the first plate body is provided with a first connecting end fixedly connected with the shell and a second connecting end extending along the direction departing from the shell; the second plate body is provided with a third connecting end connected with the first plate body and a free end extending along the direction departing from the first plate body; the second link has along the draw-in groove that the axis direction of roll-up shaft extends, the third link has along the axis direction of roll-up shaft extends and along the axis direction of roll-up shaft is gone into the card strip of draw-in groove.

Further, the method comprises the following steps: the second connecting end is provided with a first clamping strip and a second clamping strip which are sequentially arranged at intervals along the direction departing from the shell; the first holding strip and the second holding strip are both located in the preset gap, and a clamping groove is formed between the first holding strip and the second holding strip.

Further, the method comprises the following steps: the cross section of the clamping strip in the direction perpendicular to the axis of the rolling shaft is arc-shaped, and the clamping groove is matched with the clamping strip.

Further, the method comprises the following steps: the roller blind further comprises a first end cover and a second end cover; the first end cover and the second end cover are arranged at intervals along the axis direction of the rolling shaft and are respectively connected with the shell.

Further, the method comprises the following steps: the first end cover and the second end cover are respectively provided with a first sleeve groove for being sleeved on the shell and a third clamping plate arranged on the bottom wall of the first sleeve groove; and the third clamping plate and the side wall of the first sleeve groove form a clamping groove for clamping the shell.

Further, the method comprises the following steps: the first end cover is provided with a first wiring groove communicated with the cavity.

Further, the method comprises the following steps: the central angle of the shell is 200-330 degrees.

Compared with the prior art, the utility model has the beneficial effects that: the cross section of the shell of the roller shutter type curtain is arc-shaped, the shell is provided with a circular arc cavity, the first clamping plate and the second clamping plate are respectively connected with the shell and tangent to each other, so that the first clamping plate and the second clamping plate are in smooth transition with the shell, when the roller shutter shaft rotates to roll or release the curtain in the circular arc cavity, the friction force between the curtain and the inner walls of the circular arc cavity of the first clamping plate and the second clamping plate is very small, the roller shutter shaft can rotate more smoothly, and jamming is avoided when the roller shutter shaft rolls or releases the curtain. This roll up curtain formula (window) curtain processing is convenient, and the second splint are convenient for roll up the installation of curtain axle, motor including first plate body and the second plate body of detachable connection.

Drawings

Fig. 1 is an exploded view of a roller blind.

Fig. 2 is an exploded view of the housing, first clip, second clip, first end cap, and second end cap.

Fig. 3 is an enlarged view at a of fig. 2.

Fig. 4 is a schematic structural view of the first end cap or the second end cap.

In the figure, 1, a housing; 2. a first splint; 3. a second splint; 4. a circular arc cavity; 5. a predetermined gap; 6. a first end cap; 7. a second end cap; 8. sealing the cover; 9. a base; 10. a curtain; 11. a roller shutter shaft; 12. a baffle plate; 13. a tail plug; 14. a bearing; 15. installing codes; 16. a motor; 101. a first holding strip; 102. a second holding strip; 103. a card slot; 104. a first wiring groove; 301. a first plate body; 302. a second plate body; 303. clamping the strip; 601. a first set of grooves; 602. a third splint; 603. a clamping groove; 604. and a second wiring groove.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For convenience of description, unless otherwise noted, the up-down direction described below coincides with the up-down direction of fig. 1 itself, the left-right direction described below coincides with the left-right direction of fig. 1 itself, and the front-back direction described below coincides with the projection direction of fig. 1 itself.

As shown in fig. 1 to 4, the present embodiment provides a roll blind type window covering, including a base 9, a blind 10, a rolling blind shaft 11, a housing 1 having a cavity for accommodating the rolling blind shaft 11, a first clamping plate 2, and a second clamping plate 3; the cross section of the shell 1 in the direction vertical to the axis of the rolling shutter shaft 11 is arc-shaped, and the cavity is an arc-shaped cavity 4.

The first clamping plate 2 is connected with one end of the shell 1 and is tangent to the circumferential side face of the shell 1, the inner side face of the first clamping plate 2 is tangent to the inner wall of the arc cavity 4, and the outer side face of the first clamping plate 2 is tangent to the outer circumferential side face of the shell 1. The second clamping plate 3 is connected with the other end of the shell 1 and is tangent to the circumferential side face of the shell 1, the inner side face of the second clamping plate 3 is tangent to the inner wall of the arc cavity 4, and the outer side face of the second clamping plate 3 is tangent to the outer circumferential side face of the shell 1. First splint 2 and second splint 3 interval set up and form between first splint 2 and the second splint 3 and be used for curtain 10 to pass predetermined clearance 5, and first splint 2 and second splint 3 front and back symmetry set up, and the opening of casing 1 is up, and first splint 2 and second splint 3 all are located the top of casing 1. The predetermined gap 5 between the first clamping plate 2 and the second clamping plate 3 decreases gradually in a direction away from the housing 1. The predetermined gap 5 is gradually reduced from bottom to top, and the distance between the upper end of the first clamping plate 2 and the upper end of the second clamping plate 3 just accommodates the thin curtain 10 to pass through. One end of the shade 10 is wound around the rolling shaft 11, and the other end of the shade 10 is coupled to the base 9 through a predetermined gap 5. First splint 2, second splint 3 are tangent with casing 1 respectively, and the inner wall of the circular arc chamber 4 in the casing 1 is the arc surface for the holistic inner wall of roll up curtain formula (window) curtain and surface are all and do not have the drape over one's shoulders, and the friction of curtain 10 and roll up curtain formula (window) curtain inner wall is littleer, and the rolling and the release of curtain 10 are more smooth and easy.

Specifically, in one embodiment, the roller blind further includes a motor 16 installed in the cavity and drivingly connected to the roller blind shaft 11. The motor 16 has a battery built therein.

Specifically, in one embodiment, the base 9 is located below the housing 1, and the motor and the roller shutter shaft are disposed below, so that a user can conveniently charge or maintain the battery.

Specifically, in one embodiment, the roller blind further includes a flap 12, a tail plug 13, a bearing 14, and a mounting weight 15. The base 9 is secured to the side wall of the window by means of a mounting bracket 15. One end of the rolling shutter shaft 11 is installed on a tail plug 13 and is rotatably installed on a bearing 14 through the tail plug 13, and the other end of the rolling shutter shaft 11 is installed with a baffle 12 and is connected with an output shaft of a motor. The shutter 12 and the tail plug 13 prevent the shade 10 from being separated from the roller shaft 11 along the axial direction of the roller shaft 11.

Specifically, in one embodiment, the first clamping plate 2 is integrally formed with the housing 1. The second clamping plate 3 comprises a first plate 301 integrally formed with the housing 1 and a second plate 302 detachably connected to the first plate 301. First splint 2, casing 1, first plate body 301 are the whole that the aluminium alloy processing formed, and the detachable installation of second plate body 302 is convenient for motor, roll-up shaft 11 etc. and installs in circular arc chamber 4. The upper cover of the traditional directional rolling curtain needs to be detached and placed in a cavity of the rolling curtain, then the upper cover is installed, in the process of installing the upper cover, the upper cover needs to be held while the curtain 10 on the rolling curtain penetrates through the strip-shaped groove of the upper cover, and the assembly is very difficult for a single person. The utility model provides a roll up curtain formula (window) curtain can pass the clearance between first plate body 301 and the first splint 2 with curtain 10 on the roll up curtain formula (window) curtain earlier, installs second plate body 302 again at last, and the equipment of roll up curtain formula (window) curtain is lighter.

Specifically, in one embodiment, the first plate 301 has a first connection end (lower end) fixedly connected to the housing 1 and a second connection end (upper end) extending in a direction away from the housing 1; the second plate body 302 has a third connection end (lower end) connected to the first plate body 301 and a free end extending in a direction away from the first plate body 301. The second connection end has a card slot 103 extending along a predetermined linear direction, and the third connection end has a card bar 303 extending along the predetermined linear direction and adapted to be snapped into the card slot 103. The card strip 303 is inserted into the card slot 103 from left to right to connect the second board 302 with the first board 301. When the second plate 302 needs to be detached, the second plate 302 is slid from left to right.

Specifically, in one embodiment, the second connecting end is provided with a first clamping strip 101 and a second clamping strip 102 which are sequentially arranged at intervals along the direction departing from the shell 1; the first holding strip 101 and the second holding strip 102 are both positioned in the predetermined gap 5, and a clamping groove 103 is formed between the first holding strip 101 and the second holding strip 102. The first holding strip 101 and the second holding strip 102 have elasticity, the distance between the first holding strip 101 and the second holding strip 102 is smaller than the thickness of the second plate body 302, and the second plate body 302 is clamped between the first holding strip 101 and the second holding strip 102.

Specifically, in one embodiment, the section of the card strip 303 perpendicular to the predetermined linear direction is circular arc, and the card slot 103 is matched with the card strip 303. The clamping strip 303 is equivalent to a hook, the second clamping strip 102 is in a semi-cylindrical shape and is clamped into an arc groove of the clamping strip 303, the second clamping strip 102 is in a bent shape, the second clamping strip 102 deviates from the first plate body 301 firstly and extends towards the preset gap 5 and then extends upwards, and therefore the clamping strip 303 can be stably clamped by the first clamping strip and the second clamping strip 102.

Specifically, in one embodiment, the roller blind further comprises a first end cap 6 and a second end cap 7; the first end cap 6 and the second end cap 7 are arranged at intervals along a predetermined linear direction and are respectively sleeved at two ends of the shell 1. The first end cap 6 and the second end cap 7 function as dust proof.

Specifically, in one embodiment, the first end cap 6 and the second end cap 7 respectively have a first sleeve groove 601 for being sleeved on the housing 1 and a third clamping plate 602 disposed on the bottom wall of the first sleeve groove 601; the third clip 602 forms a clip groove 603 with the side wall of the first set of grooves 601 for the housing 1 to be snapped in. The first end cap 6 and the second end cap 7 have cross sections matched with the cross section of the housing 1, and the third clamping plates 602 are arranged at intervals along the side walls of the first set of grooves 601. The third clamping plate 602 has the capability of elastic deformation, the distance between the third clamping plate 602 and the side wall of the first sleeve groove 601 is slightly larger than the thickness of the shell 1, and the third clamping plate 602 and the side wall of the first sleeve groove 601 jointly clamp the shell 1.

Specifically, in one embodiment, a first wiring groove 104 is formed at one end of the housing 1, and a second wiring groove 604 communicated with the first wiring groove 104 is formed on the first end cap 6 or the second end cap 7, so as to facilitate charging of a power line externally connected to a battery of the motor in the arc chamber 4. The second wiring groove 604 is covered with a detachably mounted cover 8.

Specifically, in one embodiment, the central angle α of the housing 1 is 200 ° to 330 °, so that the arc surface of the arc cavity 4 is as large as possible while the processing difficulty is reduced.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A roller blind window curtain, characterized in that: the roller shutter comprises a base, a shutter, a roller shutter shaft, a shell with a cavity for accommodating the roller shutter shaft, a first clamping plate and a second clamping plate; the cross section of the shell in the direction vertical to the axis of the roller shutter shaft is arc-shaped;

2. A roller blind according to claim 1, wherein: the roller shutter is characterized by further comprising a motor which is arranged in the cavity and is in transmission connection with the roller shutter shaft.

3. A roller blind according to claim 1 wherein: the first clamping plate and the shell are integrally formed; the second splint include with casing integrated into one piece's first plate body and with the detachable second plate body of connecting of first plate body.

4. A roller blind according to claim 3, wherein: the first plate body is provided with a first connecting end fixedly connected with the shell and a second connecting end extending along the direction departing from the shell; the second plate body is provided with a third connecting end connected with the first plate body and a free end extending along the direction departing from the first plate body; the second link has along the draw-in groove that the axis direction of roll-up shaft extends, the third link has along the axis direction of roll-up shaft extends and along the axis direction of roll-up shaft is gone into the card strip of draw-in groove.

5. A roller blind according to claim 4 wherein: the second connecting end is provided with a first clamping strip and a second clamping strip which are sequentially arranged at intervals along the direction departing from the shell; the first holding strip and the second holding strip are both located in the preset gap, and a clamping groove is formed between the first holding strip and the second holding strip.

6. A roller blind according to claim 5, wherein: the cross section of the clamping strip in the direction perpendicular to the axis of the rolling shaft is arc-shaped, and the clamping groove is matched with the clamping strip.

7. A roller blind according to claim 1, wherein: the device also comprises a first end cover and a second end cover; the first end cover and the second end cover are arranged at intervals along the axis direction of the rolling shaft and are respectively connected with the shell.

8. The roller blind window of claim 7, wherein: the first end cover and the second end cover are respectively provided with a first sleeve groove for being sleeved on the shell and a third clamping plate arranged on the bottom wall of the first sleeve groove; and the third clamping plate and the side wall of the first sleeve groove form a clamping groove for clamping the shell.

9. The roller blind window of claim 7, wherein: the first end cover is provided with a first wiring groove communicated with the cavity.

10. A roller blind according to any one of claims 1 to 9, wherein: the central angle of the shell is 200-330 degrees.