CN111938407A

CN111938407A - Curtain opening and closing device

Info

Publication number: CN111938407A
Application number: CN202010820723.1A
Authority: CN
Inventors: 侯伟; 张浩波; 马超; 潘阳; 李志晨
Original assignee: Wocao Technology Shenzhen Co ltd
Current assignee: Wocao Technology Shenzhen Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-11-17
Also published as: WO2022033509A1; JP2022547761A; CN114732271A; JP7266715B2; US20240138606A1; CN114732271B; US20220047107A1

Abstract

The invention relates to a curtain opening and closing device, which is arranged on a guide piece, a curtain is movably arranged on the guide piece, the curtain opening and closing device is used for driving the curtain to move along the guide piece, and the curtain opening and closing device comprises: the main machine comprises a shell, a driving piece and a driving wheel, wherein the driving wheel is arranged in the shell, and the driving piece is arranged in the shell and used for driving the driving wheel to rotate; articulate mechanism, including support and hitching member, the first end of support is inserted and is located the casing, and the second end and the hitching member swing joint of support, the hitching member is used for hanging and locates the guide part, and the hitching member can remove in vertical direction for the support for the drive wheel pastes tightly in the outer wall of guide part, with when the drive wheel rotation is ordered about to the driving piece, the drive wheel rolls along the guide part, and the host computer drives the hitching member and removes and support and push away the (window) curtain along the guide part. The curtain opening and closing device can adjust the adhesion degree of the driving wheel and the outer wall of the guide piece, and improves the applicability of the hanging mechanism.

Description

Curtain opening and closing device

Technical Field

The invention relates to the technical field of smart homes, in particular to a curtain opening and closing device.

Background

The traditional curtain opening and closing device is arranged on a curtain guide piece, the position cannot be adjusted, the adaptability is poor, and the traditional curtain opening and closing device cannot be well adapted to guide pieces with various sizes.

Disclosure of Invention

Therefore, it is necessary to provide a curtain opening and closing device for solving the problem of poor adaptability of the curtain opening and closing device.

A curtain opening and closing device is hung on a guide piece, is installed on the guide piece and is used for driving the curtain to be automatically opened and closed, and comprises:

the main machine comprises a shell, a driving piece and a driving wheel, the driving wheel is arranged in the shell and is tightly attached to the outer wall of the guide piece, and the driving piece is arranged in the shell and is used for driving the driving wheel to rotate;

the hanging mechanism comprises a support and a hanging piece, the first end of the support is inserted into the shell, the hanging piece is movably connected to the second end of the support and hung on the guide piece, and the hanging piece can move in the vertical direction relative to the support so as to enable the driving wheel to be tightly attached to the outer wall of the guide piece;

the driving wheel rolls along the guide piece under the driving of the driving piece to drive the hanging piece to move along the guide piece and abut against the curtain.

According to the curtain opening and closing device, the hanging and connecting piece can move in the vertical direction relative to the support, the adhesion degree of the driving wheel and the outer wall of the guide piece can be adjusted by adjusting the position of the hanging and connecting piece relative to the shell, and the applicability of the curtain opening and closing device is improved.

In one embodiment, the hanging mechanism further comprises a locking assembly, a containing cavity is formed in the hanging piece, the locking assembly is arranged in the containing cavity, and when the hanging piece moves in the vertical direction relative to the support, the locking assembly can lock the hanging piece and the support.

In one embodiment, the locking assembly includes a rotating shaft and a wedge, the wedge is connected to the rotating shaft, the rotating shaft is movably disposed in the cavity, a rack is disposed at the second end of the bracket, and the rack penetrates through the cavity and can be engaged with the wedge.

In one embodiment, the locking assembly further comprises a first elastic element and a pressing element, the pressing element is movably inserted into the hanging element and is fixedly connected with the rotating shaft, and the first elastic element is connected with the wedge element;

the wedge is capable of engaging the rack when the first resilient member is in a natural state; pressing the pressing piece can drive the rotating shaft to rotate so as to drive the wedge piece to be away from the rack, and the first elastic piece is in a compressed state.

In one embodiment, the bracket includes a first rod portion, an adapter portion, and a second rod portion, the first rod portion and the second rod portion are respectively connected to two ends of the adapter portion perpendicularly and extend along different directions, the first rod portion is movably connected to the housing, and the rack is disposed on the second rod portion.

In one embodiment, the hanging member includes a first hanging portion and a second hanging portion connected to each other, the second rod portion is inserted through the first hanging portion and is substantially perpendicular to the first hanging portion, and the second hanging portion is hung on the guide member.

In one embodiment, the second hanging part comprises a first cantilever and a second cantilever, and the first cantilever and the second cantilever are connected at an included angle.

In one embodiment, the suspension device further comprises a rolling member, at least one rolling member is arranged in the first suspension arm and the second suspension arm, and when the hanging member is hung on the guide member, the rolling member is in rolling contact with the guide member.

In one embodiment, the housing includes a base and a connecting seat detachably connected to the base, the connecting seat is provided with a slot, and the first rod portion is inserted into the slot.

In one embodiment, the hanger comprises a first case, a second case, a third case, and a fourth case, the second case, the third case, and the fourth case being detachably connected to different sides of the first case, respectively.

Drawings

FIG. 1 is a schematic view of an embodiment of a window covering opening device combined with a window covering and a guide;

FIG. 2 is an isometric view of the window covering opening and closing device of FIG. 1;

FIG. 3 is an exploded view of the curtain opening and closing device shown in FIG. 2;

FIG. 4 is a partially cut-away schematic view of a hanger in the window covering opening device shown in FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 4 taken at circle A;

FIG. 6 is an isometric view of a hanger member of the window covering opening and closing device of FIG. 2;

fig. 7 is an exploded view of the hitch shown in fig. 6.

Reference numerals:

10. a curtain opening and closing device; 20. (ii) a curtain; 30. a guide member; 31. an outer wall; 100. a host; 110. a housing; 111. an inner cavity; 112. a base; 113. a connecting seat; 113a, a buckle; 114. a slot; 120. a driving wheel; 200. a hanging mechanism; 210. hanging and connecting pieces; 210a, a cavity; 210b, avoiding grooves; 211. a first hanging part; 212. a second hanging part; 213. a first cantilever; 214. a second cantilever; 215. a first watch case; 216. a second watch case; 217. a third watch case; 218. a fourth watchcase; 220. a support; 220a, a first end; 220b, a second end; 221. a rack; 221a, an inclined surface; 221b, bottom surface; 222. a first rod portion; 223. a switching part; 224. a second rod portion; 230. a locking assembly; 231. a rotating shaft; 232. a wedge; 233. a first elastic member; 234. a pressing member; 232a and a wedge surface; 232b, a top surface; 240. a rolling member.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, fig. 1 is a schematic view of a curtain opening and closing device 10 according to an embodiment. The curtain opening and closing device 10 in one embodiment is installed on the guide 30, the curtain 20 is movably installed on the guide 30, and the curtain opening and closing device 10 is used for driving the curtain 20 to move along the guide 30, so as to realize automatic opening and closing of the curtain 20.

In this embodiment, referring to fig. 2, the curtain opening and closing device 10 includes a main unit 100 and a hanging mechanism 200, the hanging mechanism 200 is connected to the main unit 100 and hung on the guide 30, the main unit 100 can drive the hanging mechanism 200 to move along the guide 30 and push the curtain 20 on the guide 30, so that the curtain 20 moves along the guide 30.

In the embodiment, a plurality of through holes or rings (not shown) are formed at one side of the window covering 20, and the guide 30 is inserted through the through holes or rings, so that the window covering 20 is hung on the guide 30. The hanging mechanism 200 is hung on the guide 30 and located between the two through holes or the two hanging rings, when the host 100 drives the hanging mechanism 200 to move along the guide 30, the hanging mechanism 200 moves along the guide 30 and pushes against the curtain 20 on the guide 30 to push the curtain 20 to move along the guide 30, thereby realizing the automatic opening and closing of the curtain 20.

It should be noted that the guide 30 may be a rail, a guide rod, or other curtain support structure, and the guide 30 may be a unitary or splice structure. The guide member 30 may have a linear shape, an S-shape, or other irregular shape, and the shape of the guide member 30 is not limited thereto.

Referring to fig. 2, the main body 100 includes a housing 110, a driving member (not shown in the figure) and a driving wheel 120, wherein the driving wheel 120 and the driving member are both mounted on the housing 110, and the driving wheel 120 is attached to the outer wall 31 of the guide 30, so that when the driving wheel 120 is driven by the driving member to rotate, the driving wheel 120 rolls along the guide 30.

It should be noted that, when the guide 30 is cylindrical, the driving member is tightly attached to the circumferential side wall of the guide 30; when the guide member 30 has a square cross-section, the driving member abuts against the bottom wall of the guide member 30.

Specifically, in an embodiment, referring to fig. 3, an inner cavity 111 is formed in the housing 110, and the driving wheel 120 is pivotally connected to the housing 110 and at least partially exposed out of the inner cavity 111, as shown in fig. 1, the portion of the driving wheel 120 exposed out of the inner cavity 111 is closely attached to the outer wall 31 of the guiding element 30.

In this embodiment, because there is frictional force between the driving wheel 120 and the guide 30, the driving wheel 120 can move along the guide 30 under the driving of the driving member, and the host 100 drives the hanging mechanism 200 to move along the guide 30 and push against the curtain 20 on the guide 30, so as to realize the electric opening and closing of the curtain 20, without manually opening and closing the curtain 20, and the operation is convenient and fast, and the practicability is strong.

In some embodiments, the driving member is a motor, and the driving member is disposed coaxially with the driving wheel 120, so as to facilitate smooth movement of the driving wheel 120 and make full use of space. In other embodiments, the drive member may also be a cylinder.

Referring to fig. 3, the hanging mechanism 200 includes a hanging member 210 and a supporting frame 220, a first end 220a of the supporting frame 220 is inserted into the housing 110, and the hanging member 210 is movably connected to a second end 220b of the supporting frame 220 and hung on the guiding member 30. The hanger 210 can move in a vertical direction with respect to the holder 220 so that the driving wheel 120 abuts against the outer wall 31 of the guide 30.

It can be understood that when the guide members 30 are different in size, the degree of adhesion between the driving wheel and the outer wall 31 of the guide member 30 can be adjusted by adjusting the position of the hanging member 210 relative to the housing 110, thereby improving the applicability of the hanging mechanism 200.

Specifically, the hanging mechanism 200 further includes a locking assembly 230, a receiving cavity 210a is formed in the hanging member 210, the locking assembly 230 is disposed in the receiving cavity 210a, and when the hanging member 210 moves in the vertical direction relative to the bracket 220, the locking assembly 230 can lock the relative positions of the hanging member 210 and the bracket 220.

As shown in fig. 4 and 6, the hanging member 210 is provided with an avoiding groove 210b, the avoiding groove 210b penetrates through the hanging member 210 along the vertical direction and is communicated with the accommodating cavity 210a, the second end 220b of the bracket 220 penetrates through the avoiding groove 210b and can move up and down in the avoiding groove 210b, and the locking component 230 is arranged in the accommodating cavity 210a and is adjacent to the avoiding groove 210 b.

In an embodiment, the rack 221 is disposed at the second end 220b of the bracket 220, the locking assembly 230 includes a rotating shaft 231, a wedge 232, and a first elastic member 233, the rotating shaft 231 is rotatably disposed in the cavity 210a, the wedge 232 is connected to the rotating shaft 231 and can be engaged with the rack 221, and the first elastic member 233 is connected to the wedge 232 and abuts against an inner wall of the cavity 210 a.

When the first elastic member 233 is in a natural state, the wedge member 232 can be engaged with the rack 221; when the rotating shaft 231 is rotated to drive the wedge 232 away from the rack 221, the first elastic member 233 is in a compressed state.

Further, the locking assembly 230 further includes a pressing member 234, and the pressing member 234 is fixedly connected to the rotating shaft 231 and movably penetrates through the hanging member 210. The rotation shaft 231 can be driven to rotate by pressing the pressing piece 234 so that the wedge 232 is away from the rack 221.

In one embodiment, referring to fig. 5, each tooth of the rack 221 includes an inclined surface 221a and a bottom surface 221b, the inclined surface 221a is inclined toward the first end 220a close to the bracket 220 (i.e., downward), and the wedge 232 has a wedge surface 232a and a top surface 232 b. When the wedge 232 is engaged with the rack 221, the top surface 232b of the wedge 232 abuts against the bottom surface 221b of the tooth portion.

When the first elastic member 233 is in the natural state, the hanger 210 can move upward relative to the bracket 220, and the wedge 232 is held between the two tooth portions of the rack 221, at this time, the top surface 232b of the wedge 232 abuts against the bottom surfaces 221b of the tooth portions;

when the hanging member 210 needs to move downward relative to the bracket 220, referring to fig. 5, the wedge surface 232a of the wedge 232 slides along the inclined surface 221a of the rack 221, and the first elastic member 232 naturally compresses to make the wedge surface 232a disengage from the tip of the rack 221 and move downward one by one skipping the tooth portions; when the hanging member 210 needs to move upward relative to the bracket 220, the pressing member 234 needs to be pressed to drive the wedge 232 to move away from the rack 221, the first elastic member 233 is in a compressed state, and the wedge surface 232a moves away from the inclined surface 221a, so that the hanging member 210 can move upward to a proper position relative to the bracket 220.

Through the arrangement, when the hanging piece 210 moves downwards, the wedge 232 can be positioned and is not easy to separate from the bracket 220; when the hanging piece 210 moves upwards, the pressing piece 234 needs to be pressed first, so that the hanging piece 210 is prevented from freely sliding downwards due to bearing, and the safety in the use process is ensured.

In a specific embodiment, the first elastic member 233 is a spring or a leaf spring. The wedge 232 is a finger or gear shaft.

In some embodiments, the rotating shaft 231, the wedge 232 and the pressing member 234 are integrally formed, and have good integrity and high mechanical strength. In other embodiments, the rotating shaft 231, the wedge 232 and the pressing member 234 may be a split structure.

In the embodiment shown in fig. 3, the bracket 220 includes a first rod portion 222, an adapter portion 223 and a second rod portion 224, wherein the first rod portion 222 and the second rod portion 224 are respectively connected to two ends of the adapter portion 223 vertically and extend along different directions. The first rod portion 222 is movably connected to the housing 110, and the rack 221 is disposed on the second rod portion 224.

In some embodiments, the first rod portion 222, the adapter portion 223, and the second rod portion 224 are integrally formed to facilitate quick installation. In other embodiments, the first rod portion 222, the adapter portion 223 and the second rod portion 224 can also be retractable structures to adapt to hosts 100 and hanging members 210 with different sizes, so as to expand the application range of the bracket 220.

Referring to fig. 3, housing 110 includes a base 112 and a connecting base 113, and connecting base 113 is detachably connected to base 112.

In this embodiment, the cavity 111 is opened in the base 112 to accommodate the driving member and the driving wheel 120, the connecting base 113 has a slot 114, and the first rod portion 222 is movably inserted into the slot 114. Through this setting, after hanging piece 210 uses the damage for a long time, only need to change hanging piece 210 or connecting seat 113, need not to change casing 110 wholly, do benefit to resource used repeatedly.

In some embodiments, the connecting seat 113 has a latch 113a, and the base 112 has a groove (not shown), and the latch 113a can be latched in the groove. In other embodiments, the connecting base 113 and the base 112 can be connected by a screw or a fastener such as a screw.

In some embodiments, the connecting base 113 is connected to the left and right sides of the base 112, so that the housing 110 has a substantially left-right symmetrical structure, which is beneficial to smooth operation of the main unit 100 and reduces shaking caused by unstable center of gravity. In other embodiments, the connecting base 113 may also be connected to one side of the base 112.

Referring to fig. 6, in an embodiment, the hanging member 210 includes a first hanging portion 211 and a second hanging portion 212 connected to each other, the second rod portion 224 is inserted through the first hanging portion 211, and the second hanging portion 212 is hung on the guide member 30.

In this embodiment, the first hanging portion 211 is horizontally disposed, the avoiding groove 210b is disposed on the first hanging portion 211, and the second rod portion 224 is disposed through the avoiding groove 210b and substantially perpendicular to the first hanging portion 211.

In some embodiments, the second hanging portion 212 includes a first cantilever 213 and a second cantilever 214, and the first cantilever 213 and the second cantilever 214 are connected at an included angle, so that the second hanging portion 212 is V-shaped, and the second hanging portion 212 is hung on the guide 30.

Further, as shown in fig. 6 and 7, the hitch mechanism 200 further includes a rolling member 240, and at least one rolling member 240 is disposed on the first suspension arm 213 and the second suspension arm 214. When the hanging member 210 is hung on the guide member 30, the rolling member 240 is in rolling contact with the guide member 30.

In a particular embodiment, the rolling member 240 is a roller.

It can be understood that, by the rolling member 240 abutting against the guide member 30, the second hanging part 212 is prevented from hard friction with the guide member 30 to generate a large resistance, and meanwhile, the abrasion of the second hanging part 212 and the guide member 30 can be reduced, and the service life can be prolonged.

In some embodiments, the first suspension arm 213 and the second suspension arm 214 are respectively rotatably connected with at least two rolling members 240, and the two rolling members 240 are arranged at intervals, so that the second hanging part 212 can smoothly slide, and the shaking of the second hanging part 212 caused by instability can be reduced.

As shown in fig. 7, the hanging member 210 is a detachable structure so as to facilitate installation of each component in the hanging member 210.

For example, the hanging piece 210 includes a first case 215, a second case 216, a third case 217 and a fourth case 218, the second case 216 and the third case 217 are respectively connected to both sides of the first case 215, the fourth case 218 is connected to the bottom side of the first case 215, and the first case 215, the second case 216, the third case 217 and the fourth case 218 are clamped and enclosed into a cavity 210a, so as to facilitate the assembly and disassembly of each component in the cavity 210 a.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a (window) curtain device that opens and shuts, installs in the guide, the movably (window) curtain that is equipped with on the guide, the (window) curtain device that opens and shuts is used for driving the (window) curtain and follows the guide removes, its characterized in that, the (window) curtain device that opens and shuts includes:

the host comprises a shell, a driving piece and a driving wheel, wherein the driving wheel is arranged in the shell, and the driving piece is arranged in the shell and used for driving the driving wheel to rotate;

the hanging mechanism comprises a support and a hanging piece, wherein the first end of the support is inserted into the shell, the second end of the support is movably connected with the hanging piece, the hanging piece is used for hanging the guide piece, the hanging piece can move in the vertical direction relative to the support, so that the driving wheel is tightly attached to the outer wall of the guide piece, when the driving wheel is driven to rotate by the driving piece, the driving wheel rolls along the guide piece, and the host drives the hanging piece to move along the guide piece and push the curtain.

2. The device as claimed in claim 1, wherein the hooking mechanism further comprises a locking assembly, a cavity is formed in the hooking member, the locking assembly is disposed in the cavity, and the locking assembly can lock the hooking member and the bracket when the hooking member moves in a vertical direction relative to the bracket.

3. The window covering opening and closing device of claim 2, wherein the locking assembly comprises a rotating shaft and a wedge member, the wedge member is connected to the rotating shaft, the rotating shaft is movably arranged in the accommodating cavity, a rack is arranged at the second end of the bracket, and the rack penetrates through the accommodating cavity and can be meshed with the wedge member.

4. The device as claimed in claim 3, wherein the locking assembly further comprises a first elastic member and a pressing member, the pressing member movably penetrates the hanging member and is fixedly connected to the rotating shaft, and the first elastic member is connected to the wedge;

5. The device as claimed in claim 3, wherein the bracket comprises a first rod, an adapter and a second rod, the first rod and the second rod are respectively connected to two ends of the adapter and extend along different directions, the first rod is movably connected to the housing, and the rack is disposed on the second rod.

6. The device as claimed in claim 5, wherein the hanging member comprises a first hanging portion and a second hanging portion connected with each other, the second rod portion is inserted into the first hanging portion and is substantially perpendicular to the first hanging portion, and the second hanging portion is hung on the guide member.

7. The device as claimed in claim 6, wherein the second hanging part comprises a first cantilever and a second cantilever, and the first cantilever and the second cantilever are connected with each other at an included angle.

8. The curtain opening and closing device as claimed in claim 7, further comprising a rolling member, wherein at least one rolling member is disposed in the first suspension arm and the second suspension arm, and when the hanging member is hung on the guide member, the rolling member is in rolling contact with the guide member.

9. The curtain opening and closing device as claimed in claim 5, wherein the housing comprises a base and a connecting seat, the connecting seat is detachably connected to the base, the connecting seat is provided with a slot, and the first rod portion is inserted into the slot.

10. The window covering opening and closing device of claim 1, wherein the hanger comprises a first housing, a second housing, a third housing, and a fourth housing, the second housing, the third housing, and the fourth housing each being removably attachable to a different side of the first housing.