CN113439985B

CN113439985B - Improved electric curtain

Info

Publication number: CN113439985B
Application number: CN202010216616.8A
Authority: CN
Inventors: 游有恒
Original assignee: Elementi Industry Co ltd
Current assignee: Elementi Industry Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2022-11-25
Anticipated expiration: 2040-03-25
Also published as: CN113439985A

Abstract

The invention discloses an improved electric curtain, which is assembled with accessories and comprises: a curtain rod; a frame body and a connecting body. The frame body can be detachably and movably fixed at one end of the curtain rod, the frame body is provided with a protruding structure protruding out of one end of the curtain rod after being fixed, the protruding structure is provided with a fixing part, and the fixing part is provided with a driven wheel; the connecting body can be detachably connected between the protruding structure and the fitting, and the connecting body is positioned between the curtain rod and the fitting after being connected. Therefore, the effect of conveniently assembling and disassembling the fittings and the connecting body and the effect of adjusting the tightness of the belt can be achieved.

Description

Improved electric curtain

Technical Field

The invention relates to an electric curtain, in particular to an improved electric curtain which has the functions of convenient assembly and disassembly and adjusting the tightness of a belt.

Background

The electric curtain is mainly constructed by erecting a curtain rod on a wall corresponding to the upper edge of a window, and hanging a curtain body (such as a curtain cloth) below the curtain rod so as to control the curtain body to open or cover through an electric motor.

However, for aesthetic reasons, both ends of the curtain rod are assembled with accessories, and the accessories of the conventional electric window curtains are inconvenient to disassemble and assemble, so that the maintenance, repair or replacement of other accessories is not facilitated.

In addition, when the curtain body is controlled to be opened or covered, the belt is mainly driven to rotate by the electric motor, so that the belt must be loosened when being installed, or the belt must be loosened after being used for a long time, but the conventional electric curtain does not have the function of loosening adjustment of the belt and is prone to being followed by people for a long time.

Disclosure of Invention

The invention aims to provide an improved electric curtain which can be used for conveniently assembling and disassembling accessories and a connecting body and adjusting the tightness of a belt.

To achieve the above object, the present invention provides an improved motorized window shade assembled with a fitting and including: a curtain rod; the frame body can be detachably fixed on the curtain rod and is provided with a protruding structure protruding out of one end of the curtain rod, the protruding structure is provided with a fixing part, a driven wheel is arranged on the fixing part, and the frame body can also be movably fixed on the curtain rod; and a connecting body which can be detachably connected between the protruding structure and the accessory, wherein the connecting body is connected between the curtain rod and the accessory.

Compared with the prior art, the invention has the following effects: the belt tightening device has the effect of conveniently assembling and disassembling accessories and the connecting body, is favorable for overhauling, maintaining or replacing other accessories, and even has the effect of adjusting the tightness of the belt.

Drawings

FIG. 1 is a perspective view of a motorized window treatment according to a first embodiment of the present invention;

FIG. 2 is an exploded perspective view of a first embodiment of the motorized window treatment of the present invention;

FIG. 3 is a cross-sectional view of the present invention according to FIG. 2 after assembly;

FIG. 4 is an exploded perspective view of a second embodiment of the motorized window treatment of the present invention;

fig. 5 is a cross-sectional view of the motorized window treatment of the present invention according to fig. 4.

Symbolic illustration in the drawings:

100, electric curtain;

1, a curtain rod;

11A,11B: track;

110A,110B, a chute;

111, a wing panel;

112, space;

113 a top plate;

114, side plates;

13, a belt;

14, end edges;

2, a frame body;

21A, 21B are sliding sheets;

211, fixing screw holes;

22, connecting sheets;

23. 24, a driven wheel;

25, a fixed part;

3, a frame body;

31, a convex body;

311, a column;

312, a jack;

32, a cover body;

321, perforating;

33, a sliding connection block;

331, fixing screw holes;

34, a corresponding panel;

35, a fixed part;

4A, 4B, 4C, an adaptor;

41, a first through hole;

42 an inner space;

43, a second through hole;

6, a first screw connector;

61: a first projection;

7, a second screw connector;

71, a screw rod;

72, a screw cap;

8, a fixing piece;

900 parts;

t1 is a convex structure;

t2, a convex structure.

Detailed Description

The present invention provides an improved electric window curtain (hereinafter referred to as an electric window curtain), which is a first embodiment of the present invention as shown in fig. 1 to 3, and a second embodiment of the present invention as shown in fig. 4 to 5. The electric window shade 100 has a fitting 900 mounted on at least one end thereof, and in this embodiment, the fitting 900 is mounted on both ends thereof, and for convenience of description, only one end thereof will be described below as an example.

As shown in fig. 1 to 3, the motorized window treatment 100 according to the first embodiment of the present invention includes: a curtain rod 1, a frame body 2 and a connecting body 4A.

The curtain rod 1 has two ends, and one of the two ends has an end edge 14. A belt 13 is arranged in the curtain rod 1 in a penetrating way.

The frame 2 may be a metal frame. The frame body 2 is detachably fixed in the end (having the end edge 14) of the curtain rod 1 and has a protruding structure T1 protruding from the end of the curtain rod 1, and the protruding structure T1 may further have a fixing portion 25 as shown in fig. 2. The frame body 2 is further provided with a driven wheel 23, preferably the driven wheel 23 is pivoted to a fixing portion 25 of the protruding structure T1. The belt 13 is wound with a driven pulley 23.

The connecting body 4A is detachably connected between the protruding structure T1 and the fitting 900, and the connecting body 4A is located between the curtain rod 1 and the fitting 900 after being connected. Preferably, the present invention further includes a plurality of first screw members 6, and the engaging body 4A is detachably fixed to the protruding structure T1 and the fitting 900 via the plurality of first screw members 6, respectively. The first screw member 6 may be a setscrew, but is not limited thereto.

In the upper section, the connection body 4A surrounds the protruding structure T1 and is provided with a first through screw hole 41, and a part of the first screw connection member 6 is screwed into the first through screw hole 41 and forms a first protruding portion 61 protruding from the first through screw hole 41 as shown in fig. 3, and the first protruding portion 61 abuts against the outer surface of the protruding structure T1, so that the connection body 4A is detachably fixed to the protruding structure T1.

The present invention may further include another adaptor 4C (or: a second adaptor 4C). The connecting body 4A (or the first connecting body 4A) is detachably connected to the protruding structure T1, and the other connecting body 4C is fixed to or integrally formed with the fitting 900. The other connecting body 4C surrounds the connecting body 4A and is provided with a second through screw hole 43, and another part of the plurality of first screw members 6 is screwed corresponding to the second through screw hole 43 and is formed with a second protrusion (the protrusion length is too short, and therefore reference numerals are not marked) slightly protruding out of the second through screw hole 43 after being screwed as shown in fig. 3, so that the second protrusion abuts against the outer peripheral wall of the connecting body 4A to detachably fix the other connecting body 4C together with the fitting 900 to the connecting body 4A.

In other embodiments not shown in the drawings, the present invention may further include only a single connecting body 4A (or 4C), one end of the connecting body 4A (or 4C) is fixed to or integrally formed with the fitting 900 (not shown), and the other end of the connecting body 4A (or 4C) is detachably connected to the protruding structure T1.

Therefore, when other accessories are required to be overhauled, repaired or replaced or the tightness of the belt 13 is required to be adjusted (as described in detail below), the accessory 900 and the connecting body 4A or/and the connecting body 4C can be easily removed only by detaching the first screw connector 6; conversely, the fitting 900 and the joint body 4A or/and the joint body 4C can be easily assembled. Therefore, the effect of convenient assembly and disassembly is achieved.

As shown in fig. 1 to 3, in order to adjust the tightness of the belt 13, the frame body 2 of the present invention is movably fixed to one end of the curtain rod 1, so that the frame body 2 can linearly move back and forth relative to the curtain rod 1, and the tightness of the belt 13 can be adjusted by such a moving manner.

Preferably, the curtain rod 1 has a rail 11A, and the frame 2 is slidably connected to the rail 11A and has a fixing screw hole 211. The rail 11A has two wings 111 spaced apart from each other in a side-by-side manner to form a space 112 between the two wings 111. The present invention further comprises at least one second screw member 7, in this embodiment, two second screw members 7 are included, each second screw member 7 has a screw rod 71 and a screw cap 72 connected to one end of the screw rod 71, the screw rod 71 first passes through the spacing space 112 and is screwed in the fixing screw hole 211, and then the second screw member 7 is screwed tightly, so that the two wing pieces 111 are tightly clamped between the screw cap 72 and the frame body 2 for fixing as shown in fig. 3.

Therefore, when the tightness of the belt 13 is to be adjusted, the tightness of the belt 13 can be adjusted by controlling the frame body 2 to linearly move relative to the curtain rod 1 only by unscrewing the second screw connector 7; when the belt 13 is adjusted to the desired tightness, it is only necessary to thread the second thread member 7 again.

As described above, the track of the curtain rod 1 may be provided as two, that is, the aforementioned track 11A and the other track 11B opposite to each other. The other rail 11B also has wings 111 spaced apart from each other and side by side, and a space 112 is formed between the wings 111. The track 11A forms a sliding slot 110A through the two wings 111 and other structures, and the track 11B also forms a sliding slot 110B through the two wings 111 and other structures. The frame body 2 includes two sliding

pieces

21A, 21B corresponding to the two

tracks

11A,11B and a connecting piece 22 connected between one ends of the two sliding

pieces

21A, 21B, wherein the two sliding

pieces

21A, 21B are slidably connected to the two sliding

slots

110A,110B respectively and are provided with the fixing screw holes 211 respectively.

Furthermore, as shown in fig. 3, the length of the connecting body 4C after connection must protrude from the end edge 14 of the curtain rod 1 so as to be shielded by the end edge 14, and thus the gap between the curtain rod 1 and the frame body 2 and/or the gap between the curtain rod 1 and the connecting body 4A cannot be seen.

As shown in fig. 4 to 5, the second embodiment of the motorized window shade 100 of the present invention is substantially the same as the first embodiment, and the differences of the second embodiment from the first embodiment are described below.

The frame 3 may be a plastic injection molded frame. The frame body 3 includes a protruding structure T2 and a sliding block 33 connected to the protruding structure T2, and preferably, the protruding structure T2 further includes a protruding body 31 and a cover 32 covering the protruding body 31, and the protruding structure T2 further has a fixing portion 35 formed between the protruding body 31 and the cover 32 as shown in fig. 4. Wherein, the protruding body 31 is provided with a column 311 in the fixing portion 35, and the column 311 is provided with an insertion hole 312 along the length direction thereof; the cover 32 covers the protruded body 31 corresponding to the fixing portion 35 to cover the driven wheel 24 sleeved on the column 311, so that the driven wheel 24 is limited in the fixing portion 35 between the cover 32 and the protruded body 31 for protection. The belt 13 is wound around a driven pulley 24. The cover 32 further has a through hole 321 corresponding to the insertion hole 312.

The second embodiment of the present invention further includes a fixing member 8, and the fixing member 8 is inserted into the insertion hole 312 through the through hole 321 to fix the cover 32 on the protruding body 31.

The volume of the sliding groove 110B of the curtain rod 1 is larger than that of the sliding groove 110A, and the volumes of the sliding block 33 and the sliding sheet 21A respectively correspond to the sliding groove 110B and the sliding groove 110A, so that the frame body 3 can be slidably slid on the sliding groove 110B by the sliding block 33. The sliding block 33 is provided with a fixing screw hole 331 corresponding to the spacing space 112 of the rail 11B, the screw 71 of the second screw 7 passes through the spacing space 112 and is screwed in the fixing screw hole 331, when the second screw 7 is screwed tightly, the two fins 111 of the rail 11B are tightly clamped between the nut 72 and the sliding block 33 as shown in fig. 5 to be fixed. As shown in fig. 4, a top plate 113, a plurality of side plates 114, and the two wings 111 of the curtain rod 1 surround each other to define the sliding slot 110B.

When the tightness of the belt 13 is to be adjusted, the tightness of the belt 13 can be adjusted by controlling the frame body 3 to linearly move relative to the curtain rod 1 only by unscrewing the second screw 7; when the belt 13 is adjusted to a proper tightness, the second screw member 7 is screwed again.

In addition, the connecting body 4B of the second embodiment can be a hollow cylinder, so that it has an inner space 42. The outer end of the protruding body 31 is provided with a corresponding panel 34 corresponding to the shape of the inner space 42, and the connecting body 4B is surrounded on the protruding structure T2 and the corresponding panel 34 is correspondingly inserted into the inner space 42, so that the connecting body 4B is fixed on the protruding structure T2.

In summary, the present invention has the following effects compared with the prior art: the effect of conveniently assembling and disassembling the accessory 900 and the effect of conveniently assembling and disassembling the connecting

bodies

4A and 4B are achieved, so that the maintenance, the repair or the replacement of other accessories are facilitated; even with the effect of easily adjusting the tightness of the belt 13.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings are included in the scope of the present invention, and it is obvious that the present invention is also included in the scope of the present invention.

Claims

1. An improved motorized window treatment, comprising a fitting assembled thereto:

a curtain rod, a belt is arranged through the curtain rod;

the frame body can be detachably fixed on the curtain rod and is provided with a protruding structure protruding out of one end of the curtain rod, the protruding structure is provided with a fixing part, a driven wheel is arranged on the fixing part, the frame body can also be movably fixed on the curtain rod, and the belt is wound on the driven wheel;

a connecting body which can be detachably connected between the protruding structure and the accessory, wherein the connecting body is connected between the curtain rod and the accessory;

a second screw connecting piece, the connecting body can be connected in a detachable way through the second screw connecting piece, the frame body comprises the projecting structure and a sliding connecting block connected with the projecting structure, the curtain rod is provided with a track, the track is provided with a sliding chute, the sliding connecting block is connected in the sliding chute in a sliding way and is provided with a fixed screw hole, the track is provided with two fins, an interval space is arranged between the two fins, the second screw connecting piece is provided with a screw rod and a screw cap, the screw rod passes through the interval space and is in screw connection with the fixed screw hole, and the two fins are clamped between the screw cap and the sliding connecting block; and

the fixing part is formed between the protruding body and the cover body, the protruding body is provided with an upright post corresponding to the fixing part, the upright post is provided with a jack, the driven wheel can be rotatably sleeved on the upright post, the fixing part is fixedly connected with the jack in an inserting mode through the cover body, and the driven wheel is limited between the cover body and the protruding body corresponding to the fixing part.

2. The improved motorized window treatment of claim 1, wherein the engagement body surrounds the projection.

3. The improved motorized window treatment of claim 1, wherein the engagement member is fixedly attached to the fitting and removably engaged with the protruding structure.