CN201734472U

CN201734472U - Improved curtain device

Info

Publication number: CN201734472U
Application number: CN2010202009385U
Authority: CN
Inventors: 勒布朗·桑诺斯·罗伯特
Original assignee: LEBRON SANOS ROBERT
Current assignee: Lewis Hyman Inc
Priority date: 2010-04-29
Filing date: 2010-05-13
Publication date: 2011-02-09
Anticipated expiration: 2020-05-13

Abstract

A cordless curtain device comprises a curtain box; the curtain box comprises a pulley fixedly arranged on the curtain box, and a shaft coupled with the pulley; and the pulley is arranged at one end of the shaft. The cordless curtain device further comprises a curtain frame fixedly arranged at one end of the curtain box and a draw curtain, wherein one end of the draw curtain is fixedly connected with the shaft, and the other end of the draw curtain is fixedly connected with the bottom of the curtain frame. In addition, the cordless curtain device also comprises a plurality of detachable cross rods matched with the rear surface of the curtain frame, and a lifting chain meshed with the pulley. The draw curtain is arranged between the cross rods and the rear surface of the curtain frame; and the curtain frame can ascend or descend with the motion of the lifting chain. When the cordless curtain device is applicable to various curtains, a curtain cord of the typical curtain can be prevented from entwining people, thereby improving the safety during the use of the curtain; the cordless curtain device can be widely applied to various curtains according to proper functions, particularly to curtains made of bamboo, wood and other heavy materials.

Description

A kind of improved window shade arrangement

Technical field

The utility model relates to general window decorations product, relates in particular to the lifting device that is used for Roman shade after a kind of improve.

Background technology

Window covering typically as window-blind or shutter, stops sunlight to enter a certain zone by level or vertical overcover, keeps the privacy of indoor activity.These overcovers generally are the forms of lath or cloth pleat, and with regard to vertical overcover, it can vertical hanging, and with regard to horizontal overcover, it can horizontal stretching, and a lot of window coverings also comprise bottom rail simultaneously.

Representative is, for ground relatively raises or reduces bottom rail, the rope of a looper point from bottom rail need be extended to the pelmet along whole lath.A lot of curtain provide two or more curtain rope to raise reposefully or reduce curtain through regular meeting, raise or reduce curtain by stretching or loosening the come-at-able part of curtain rope.U.S. Patent number is 5,577,543,6,044,523,5,562,140 and 6,431, and 248 invention concentrates on notice and minimizes or eliminate fully on the possibility that the curtain rope snarls the people.But because the weight of curtain, curtain is to make with very thick material, when the curtain rope that design discharges, has increased challenge to minimizing the possibility that the curtain rope snarls the people.Therefore, can reduce device with the curtain rope hazard of curtain and remain the market demand.

The utility model content

The purpose of this utility model provides a kind of improved window shade arrangement, make the people use curtain not can the time snarled by curtain, improve the security of using curtain.

In order to achieve the above object, the utility model provides a kind of Cordless curtain device, and this Cordless curtain device comprises pelmet, is arranged on pulley and an axle that cooperates with this pulley on this pelmet, and pulley is connected with an end of axle.This Cordless curtain device also comprise one be fixedly installed on the curtain rod arm of this pelmet one end and one by one end fixedly connected with this, the other end is fixedlyed connected with the bottom of this curtain rod arm draws curtain.In addition, this Cordless curtain device also comprise dismountable cross bar that some and this curtain rod arm rear surface be equipped with and one can with the lifting chain of this pulley engagement.This draws curtain to be arranged between the rear surface of this plurality of cross bars and this curtain rod arm, and described curtain rod arm can rise or falls along with the motion of lifting chain.

Above-mentioned Cordless curtain device, wherein, when the pulling force that is subjected to during near its specified pulling force, the lifting chain can rupture.

Above-mentioned Cordless curtain device, wherein, when the pulling force that is subjected to during near its specified pulling force, at least a portion of pulley can be separated with this pelmet.

The utility model also provides a kind of latent rope window shade arrangement, and this latent rope window shade arrangement comprises pelmet and the pulley that is arranged on this pelmet.This Cordless curtain device also comprise one be fixedly installed on the curtain rod arm of this pelmet one end and one by one end fixedly connected with this, the other end is fixedlyed connected with the bottom of this curtain rod arm draws curtain.This draws curtain to comprise some curtain ropes that are embedded within it.In addition, this this Cordless curtain device also comprises some dismountable cross bars that are equipped with this curtain rod arm rear surface, and this draws curtain to be arranged between the rear surface of this plurality of cross bars and this curtain rod arm.This curtain rope can cooperate with this pulley, and curtain rod arm can rise or falls along with the motion of curtain rope.

The utility model compared with prior art, its advantage is, the utility model can realize by different embodiments, can prevent that the curtain rope of typical curtain from snarling the people when using it for various curtain, improves the security of using curtain; The utility model can be designed in the various curtain designs, especially when curtain is made of very heavy materials such as bamboo or wood widely according to suitable function.

Description of drawings

Fig. 1 is the rearview of the curtain that comprises wireless Roman shade apparatus of one of embodiment of providing of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the rearview of two the curtain that comprises latent rope Roman shade apparatus of the embodiment that provides of the utility model;

Fig. 4 is the left view of Fig. 3.

The specific embodiment

Below in conjunction with Fig. 1 and Fig. 2, illustrate the curtain apparatus for automatically lifting of the improved that is used for curtain, such as Cordless curtain device 10.Cordless curtain device 10 comprises pelmet 12, curtain rod arm 14, draws curtain 16, plurality of cross bars 18 and lifting chain 20.Pelmet 12 comprises and is used for screw that pelmet 12 is threaded with wall.In other embodiments, pelmet 12 can be designed to by independent installing mechanism fixing on the wall.Pelmet 12 comprises a dismountable pulley 22 that is close on the pelmet 12, and at least a portion of this pulley 22 can be separated with pelmet 12 by downward power.Pelmet 10 also comprises an axle that cooperates with pulley, and pulley 22 is arranged on this a end.

Draw the top of curtain 16 to be close on the axle, its bottom is close to the rear surface of curtain rod arm 14 bottoms.The top of curtain rod arm 14 is close on the pelmet 12.Draw curtain 16 to be arranged between the rear surface and plurality of cross bars 18 of curtain rod arm 14, upwards extend into pelmet 12 from the bottom of curtain rod arm 14.

Lifting chain 20 can cooperate with pulley 22, makes the user to drive axle by lifting chain 20 and rotates, thereby raise or reduction curtain rod arm 14.In typical embodiment, lifting chain 20 adopts such design to make lifting chain 20 damage easily when very big pulling force applies thereon.In another embodiment, lifting chain 20 can be coupled with second pulley, limits by the free degree of second contact point to the lifting chain.In addition, at least one part of pulley 22 is designed to and can lifting chain 20 be separated and release by applying specified pulling force.These independent and technical characterictics that combine can be avoided the user to be twined by lifting chain 20 and be injured.

In typical embodiment, at least one part of pulley 22 is designed to and can lifting chain 20 be separated and release by the power that applies 3 pounds (closing 1.36 kilograms), and lifting chain 20 is designed to damage when the pulling force of 5 pounds (closing 2.27 kilograms) applies thereon.In this embodiment, at least a portion of pulley 22 is designed to its meeting whole device of disengaging before 20 fractures of lifting chain.In other embodiments, the value of these power can be different, and pulley 22 breaks away from the required power of whole device can surpass the required power of lifting chain 20 damages.

Below in conjunction with Fig. 3 and Fig. 4, illustrate the curtain apparatus for automatically lifting of the improved that is used for curtain, such as latent rope window shade arrangement 100.Latent rope window shade arrangement 100 comprises pelmet 112, curtain rod arm 114, draws curtain 116, plurality of cross bars 118 and at least one root window curtain rope 120.Pelmet 112 comprises and is used for screw that pelmet 112 is threaded with wall.In other embodiments, pelmet 112 can be designed to by independent installing mechanism fixing on the wall.Pelmet 112 comprises a pulley 122 that can cooperate with curtain rope 120.

Draw the top of curtain 116 to be close on the pelmet 112, its bottom is close to the rear surface of curtain rod arm 114 bottoms.The top of curtain rod arm 114 also is close on the pelmet 112.Draw curtain 116 to be arranged between the rear surface and plurality of cross bars 118 of curtain rod arm 114, upwards extend into pelmet 112 from the bottom of curtain rod arm 114.Draw curtain 116 to comprise some some curtain grooves 122 that draw that are used to place some curtain ropes 120.The end of curtain rope 120 is close to the bottom of drawing curtain 116.Draw curtain groove 122 to avoid outside curtain rope 120 is exposed to, thereby avoid the user to be twined and injured by lifting chain 120.

In order to raise or to reduce curtain rod arm 114, the user can draw the free end of curtain rope 120.Pulley 122 comprises also whether a height that allows the user to determine curtain rod arm 114 voluntarily is the retaining mechanism of requirement standard.

In typical embodiment, the cross bar 18 and the cross bar 118 that are close on curtain rod arm 14 and the curtain rod arm 114 are dismountable, and the quantity of cross bar 18 and cross bar 118 can be changed voluntarily by the user.In order to change the quantity and the position of cross bar 18 and cross bar 118, the quantity and the position of the pairing fold in position that the user can be risen according to curtain rod arm 14 and curtain rod arm 114 are come self-defined.

Wording used herein and term are what to be used to provide the understanding of the description of embodiment.The measure word that uses in the literary composition " one ", " one " etc. are defined as one or more than one.The wording of using in the literary composition " at least one " is defined as one or more than one.It is second or more a plurality of at least that the wording of using in the literary composition " another " is defined as.The wording of using in the literary composition " comprises " and/or " containing " is defined as comprising (for example disclosing language).

Although content of the present utility model has been done detailed introduction by above preferred embodiment, after those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.In addition, the utility model is carried out many modifications that can adapt to special occasions or material and do not break away from protection domain of the present utility model.Therefore, will be appreciated that the utility model is not limited to as the best way that realizes the utility model expection and disclosed embodiment, but the utility model will comprise all embodiment that fall in the protection domain that appended claim limits.

Claims

1. a Cordless curtain device is characterized in that, this device comprises:

One pelmet; This pelmet comprises a pulley and an axle that cooperates with this pulley that is fixedly installed on this pelmet, and this pulley is arranged on this a end;

One is fixedly installed on the curtain rod arm of this pelmet one end;

End is fixedlyed connected with this one by one, and the other end is fixedlyed connected with the bottom of this curtain rod arm draws curtain;

Some dismountable cross bars that are equipped with this curtain rod arm rear surface; And

The one lifting chain that can cooperate with this pulley,

This draws curtain to be arranged between the rear surface of this plurality of cross bars and this curtain rod arm, and described curtain rod arm can rise or falls along with the motion of lifting chain.

2. Cordless curtain device as claimed in claim 1 is characterized in that, when the pulling force that is subjected to during near its specified pulling force, described lifting chain can rupture.

3. Cordless curtain device as claimed in claim 1 is characterized in that, when the pulling force that is subjected to during near its specified pulling force, at least a portion of described pulley can be separated with this pelmet.

4. Cordless curtain device as claimed in claim 2 is characterized in that, when the pulling force that is subjected to during near its specified pulling force, at least a portion of described pulley can be separated with this pelmet.

5. one kind is concealed the rope window shade arrangement, it is characterized in that this device comprises:

One pelmet; This pelmet comprises a pulley that is fixedly installed on this pelmet;

One is fixedly installed on the curtain rod arm of this pelmet one end;

End is fixedlyed connected with this pelmet one by one, and the other end is fixedlyed connected with the bottom of this curtain rod arm draws curtain, and this draws curtain to comprise some curtain ropes that are embedded within it;

Some dismountable cross bars that are equipped with this curtain rod arm rear surface;

This draws curtain to be arranged between the rear surface of this plurality of cross bars and this curtain rod arm;

This curtain rope can cooperate with this pulley;

Described curtain rod arm can rise or falls along with the motion of curtain rope.