CN208267724U - A kind of venetian blind that can directly lift - Google Patents

Abstract

The utility model provides a kind of venetian blind that can directly lift, and is related to venetian blind technical field, solves the technical issues of how directly lifting to venetian blind.Including upper rail, lower rail and blade assembly, the upper end of the blade assembly is connect with the upper rail, lower end is located on the lower rail, it further include elastic component and drawstring, the elastic component is placed in the upper rail, the top of the drawstring is connect with two telescopic ends of the elastic component, and the lower part of the drawstring, which successively wears the upper rail, the blade assembly and the lower rail from top to bottom and stretches out the two sides of the lower rail, is fixed on outside；The contractility of the gravity of the lower rail and the blade assembly and the elastic component is at dynamic balance state, so that the lower rail can stop at an arbitrary position.By the implementation of the utility model, outside is fixed in the extension end of drawstring, so that drawstring be avoided arbitrarily to swing, and can directly be applied with and mention and lifting to blade assembly can be realized in lower pulling force to lower rail.

Description

A kind of venetian blind that can directly lift

Technical field

The utility model relates to venetian blind technical field, the venetian blind that can be directly lifted more particularly, to one kind.

Background technique

Conventional blind curtain is made of blade group, upper beam, underbeam, drawstring, lockset, ladder band, ladder band diverter, lockset, ladder band Diverter is placed in upper beam.It is limited since system is limited with the kind of drive, it is direct generally to pass through user for the lifting of blade in curtain Drawstring force is realized, packing up rear-pulling rope in curtain can be more than the practical length of hanging down of curtain, and conventional blind curtain is generally at least There are two strands of drawstrings, drawstring, which is arbitrarily placed to be easy to be formed by knots tied, cyclic annular causes accident to children.

Utility model content

It is existing in the prior art to solve the purpose of this utility model is to provide the venetian blind that one kind can be lifted directly The technical issues of how venetian blind directly being lifted.Optimal technical scheme institute in many technical solutions provided by the utility model The many technical effects elaboration as detailed below that can be generated.

To achieve the above object, the utility model provides following technical scheme:

The venetian blind provided by the utility model that can directly lift, including upper rail, lower rail and blade assembly, the blade group The upper end of part is connect with the upper rail, and lower end is located on the lower rail, further includes elastic component and drawstring, and the elastic component is placed In in the upper rail, the top of the drawstring is connect with two telescopic ends of the elastic component, and the lower part of the drawstring is from top to bottom It successively wears the upper rail, the blade assembly and the lower rail and stretches out the two sides of the lower rail and be fixed on outside；Under described The contractility of the gravity of rail and the blade assembly and the elastic component is at dynamic balance state, so that the lower rail can It stops at an arbitrary position.

One end and elastic component the utility model has the beneficial effects that by the setting of elastic component and drawstring, due to drawstring Telescopic end connection, the other end stretch out in lower rail and are fixed on outside.Drawstring can produce lower rail under the reaction force of elastic component Raw pulling force, so that lower rail be enable to stop at an arbitrary position.When elastic component is in original state, lower rail is located at blade assembly Lower section, and balanced each other by self gravity of the drawstring to the lower rail pulling force generated and lower rail.As lower rail above mentions, blade assembly is put It is placed in the upper surface of lower rail.Be held on the blade assembly of lower rail and the gravity of lower rail the sum of can be stretched with elastic component and to drawing Reaction force caused by restricting balances each other, so that lower rail can be stopped in downdraw process to any position in upper mention.Drawstring Outside is fixed in extension end, to avoid drawstring from arbitrarily swinging or knot the damage that circlewise may cause to human body, and can be right Lower rail is applied with the lifting for proposing and being can be realized with lower pulling force to blade assembly.

Based on the above technical solution, the utility model can also do following improvement.

Further, the venetian blind, the drawstring intersects in the lower rail to be worn.

Further, the venetian blind, the drawstring include the first drawstring and for being symmetrical with elastic component setting One end of two drawstrings, first drawstring is connect with one end of the elastic component, one end of second drawstring and the elasticity The other end of part connects, the other end of first drawstring and second drawstring respectively correspond successively wear from top to bottom it is described Upper rail, the blade assembly and the lower rail and outside is fixed in the two sides for stretching out the lower rail.

Further, the venetian blind, first drawstring and second drawstring are respectively from one end of the lower rail It penetrates and is stretched out from contralateral side.

Further, the venetian blind, the elastic component are placed in the inner hub location of the upper rail.

Further, the venetian blind, the elastic component use spring.

Further, the venetian blind, drawstring winding pulley in the upper rail, the bottom of the pulley is fixed It is installed in the upper rail.

Further, the venetian blind, the lower rail include the first lower rail and the second lower rail being detachably connected.

Further, the venetian blind, the blade assembly include ladder band and multiple leaves being arranged successively from top to bottom Piece, multiple blades wear the ladder band and respectively between the upper rail and the lower rails, the upper end of the ladder band with The upper rail connection.

Further, the venetian blind, the elastic component and the drawstring, which respectively correspond, is set as multiple, multiple described Elastic component is placed side by side in the upper rail, and multiple drawstrings are laterally laid along the blade assembly from inside to outside respectively.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is structural schematic diagram of the utility model lower rail in blade assembly lower end；

Fig. 2 is the structural schematic diagram that the utility model lower rail stops state after the lifting；

Fig. 3 is the structural schematic diagram that the utility model uses two elastic components and two groups of drawstrings.

1- upper rail in figure, 2- lower rail, 3- blade assembly, 4- elastic component, 5- drawstring, 6- pulley, 31- blade, 32- ladder band, The first drawstring of 51-, the second drawstring of 52-.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

The utility model provides a kind of venetian blind that can directly lift, including upper rail 1, lower rail 2 and blade assembly 3.Leaf The upper end of piece component 3 is connect with upper rail 1, and lower end is located on lower rail 2.It further include elastic component 4 and drawstring 5.Elastic component 4 is placed in In upper rail 1.The top of drawstring 5 is connect with two telescopic ends of elastic component 4.The lower part of drawstring 5 successively wear from top to bottom upper rail 1, Blade assembly 3 and lower rail 2 and outside is fixed in the two sides for stretching out lower rail 2.The gravity of lower rail 2 and blade assembly 3 and elastic component 4 Contractility is at dynamic balance state, so that lower rail 2 can stop at an arbitrary position.

Specifically, as depicted in figs. 1 and 2, wherein Fig. 1 is structural representation of the utility model lower rail in blade assembly lower end Figure.Fig. 2 is the structural schematic diagram that the utility model lower rail stops state after the lifting.

In order to enable in use drawstring 5 to elastic component 4 implement drawing force, the drawstring 5 of lower rail 2 will be stretched out in, The namely extension end of drawstring 5, is fixed on outside.It, can be by the extension end of drawstring 5 in order to can be with the extension end of concealed stay 5 It is fixed on when blade assembly 3 is in elongation state on the wall at 2 rear of lower rail.

Blade assembly 3 can be using the structure that can be extended and compress, so that lower rail 2 above can be mentioned and be pulled down and can stop It stays in any position.

Pass through the setting of elastic component 4 and drawstring 5, since one end of drawstring 5 is connect with the telescopic end of elastic component 4, the other end It stretches out in lower rail 2 and is fixed on outside.Drawstring 5 can generate pulling force to lower rail 2 under the reaction force of elastic component 4, to make Lower rail 2 can stop at an arbitrary position.When elastic component 4 is in original state, lower rail 2 is located at the lower section of blade assembly 3, and leads to Drawstring 5 is crossed to balance each other to the self gravity of the pulling force generated of lower rail 2 and lower rail 2.As lower rail 2 above mentions, blade assembly 3 is held on The upper surface of lower rail 2.Be held on the blade assembly 3 of lower rail 2 and the gravity of lower rail 2 the sum of can be stretched with elastic component 4 and right Reaction force caused by drawstring 5 balances each other, so that lower rail 2 can be stopped in downdraw process to any position in upper mention.From And can directly the directly force of lower rail 2 above be mentioned or be pulled down, and since outside is fixed in the extension end of drawstring 5, to avoid It swings or is knotted circlewise everywhere, and then avoid damaging children.

The use process of the utility model is original state, and blade assembly 3 is in elongation state, and elastic component 4 is to drawstring 5 The pulling force that the reaction force of generation generates drawstring 5 to lower rail 2 is used to support lower rail 2, so that lower rail 2 be made to be located at blade assembly 3 Lower section without falling.

State is above proposed, power is lifted up to the application of lower rail 2, with the rising of lower rail 2,3 parts rest of blade assembly is under On rail 2；Stop applying lower rail 2 lifting force, lower rail 2 and the blade assembly 3 being held in lower rail 2 to first drawing of the application of drawstring 5 Power, and extended in the first pulling force effect lower elastic member 4, and the first pulling force realizes dynamic balance, apply so that lower rail 2 rests on stopping The position of lifting force.

Pull-down state applies the lower pulling force pulled down to lower rail 2, and lower with lower rail 2 is incited somebody to action, and blade assembly 3 is partially disengaged Lower rail 2 stops applying lower rail 2 lower pulling force, and lower rail 2 and the blade assembly 3 being held in lower rail 2 at this time are to the application of drawstring 5 the Two pulling force, and shunk in the second pulling force effect lower elastic member 4, and the second pulling force realizes dynamic balance, so that lower rail 2 rests on stopping Apply the position of lower pulling force.And then lower rail 2 can stop at an arbitrary position in the case where elastic component 4 and drawstring 5 act on.

Optionally embodiment, drawstring 5 intersects in lower rail 2 to be worn.

Specifically, as depicted in figs. 1 and 2, upward pulling force is generated to lower rail 2 in order to be conducive to drawstring 5, to make lower rail 2 can be more stable hold blade assembly 3, drawstring 5 intersects in lower rail 2 to be worn.

Optionally embodiment, drawstring 5 include the first drawstring 51 and the second drawstring for being symmetrical with the setting of elastic component 4 52.One end of first drawstring 51 is connect with one end of elastic component 4.One end of second drawstring 52 and the other end of elastic component 4 Connection.The other end of first drawstring 51 and the second drawstring 52 respectively corresponds successively wears upper rail 1,3 and of blade assembly from top to bottom Lower rail 2 and outside is fixed in the two sides for stretching out lower rail 2.

Specifically, as depicted in figs. 1 and 2, be arranged by the way that the first drawstring 51 and the second drawstring 52 are symmetrical with elastic component 4, The elongation of elastic component 4 can be made to generate symmetrical pulling force to lower rail 2, so that lower rail 2 be made to be in horizontal equilibrium state.Preferably, It can smoothly be moved to mention drawstring 5 above in lower rail 2 in downdraw process, open up smooth circular hole at upper rail 1 and lower rail 2 So that drawstring 5 is worn.

First drawstring 51 and the second drawstring 52 can be connected respectively with the connection at the both ends of elastic component 4 by the way of knotting It connects.First drawstring 51 and the second drawstring 52 can adopt the mode being screwed with outside respectively and be fixed on wall.

Further, the first drawstring 51 and the second drawstring 52 are penetrated from one end of lower rail 2 respectively and are stretched out from contralateral side.

Specifically, as depicted in figs. 1 and 2, in order to be conducive to drawstring 5 to the pulling force of lower rail 2, the first drawstring 51 and second is drawn Rope 52 can be penetrated from the upper surface of 2 one end of lower rail respectively, and be stretched out from the rear wall of the other end or side wall, thus the first drawstring 51 Intersection construction is formed inside lower rail 2 with the second drawstring 52.

Optionally embodiment, elastic component 4 are placed in the inner hub location of upper rail 1.

Specifically, as depicted in figs. 1 and 2, under generated power can make in telescopic process in order to be conducive to elastic component 4 Rail 2 is in horizontal equilibrium state, and elastic component 4 is placed in the inner hub location of upper rail 1, so that elastic component 4 can generate two Symmetrical power.

Optionally embodiment, elastic component 4 use spring.

Specifically, the power as caused by the size and spring of spring has close relationship, therefore the size of spring can root It is determined according to lower rail 2 and the size and weight of blade assembly 3.

Optionally embodiment, the winding pulley 6 in upper rail 1 of drawstring 5.The bottom of pulley 6 is fixedly installed in upper rail 1 It is interior.

Specifically, as depicted in figs. 1 and 2, in order to be conducive to elastic component 4 in the movement of telescopic process medium pulling rope 5, setting is slided Wheel 6.Preferably, pulley 6 is located at drawstring 5 and wears at the position of upper rail 1, to change the side of drawstring 5 by the setting of pulley 6 To.When drawstring 5 is mobile, drawstring 5 can be slided on pulley 6 or be rotated under frictional force effect with pulley 6.

Optionally embodiment, lower rail 2 include the first lower rail and the second lower rail being detachably connected.

Specifically, stretching out in lower rail 2 since lower rail 2 has certain length to be conducive to drawstring 5, lower rail 2 being arranged For the first lower rail and the second lower rail being detachably connected.Lower rail 2 can be set to hollow structure.Such as, under the first lower rail and second Rail all has the side open end that can be connected with.In use, drawstring 5 is worn into the first lower rail and the second lower rail respectively One end upper surface, behind the inner cavity of the first lower rail and the second lower rail, then from the other end of the first lower rail and the second lower rail Side stretch out, then side open end is connected with bolt to be formed one completion lower rail 2.

Optionally embodiment, blade assembly 3 include ladder band 32 and multiple blades 31 being arranged successively from top to bottom. Multiple blades 31 wear ladder band 32 and respectively between upper rail 1 and lower rails 2.The upper end of ladder band 32 is connect with upper rail 1.

Specifically, as depicted in figs. 1 and 2, by the setting of blade 31 and ladder band 32, blade 31 can play screening as curtain The effect of gear, ladder band 32 can connect multiple blades, and be located at blade on lower rail 2.Blade 31 and ladder band 32 are ok Using structure in the prior art, details are not described herein.

Optionally embodiment, elastic component 4 and drawstring 5, which respectively correspond, is set as multiple, and multiple elastic components 4 simultaneously discharge It is placed in upper rail 1, multiple drawstrings 5 are laterally laid along blade assembly 3 from inside to outside respectively.

Specifically, as shown in figure 3, wherein Fig. 3 is that the utility model is shown using the structure of two elastic components and two groups of drawstrings It is intended to.Since lower rail 2 can play the role of support to the blade assembly 3 being placed in lower rail 2, in order to be conducive to support, if Set corresponding multiple elastic components 4 and drawstring 5.If elastic component 4 uses two, drawstring 5 uses two groups, every group two.

Two elastic components 4 can front and back be arranged side by side, can also control and be arranged side by side.In order to be conducive to drawstring 5 to lower rail 2 Lifting, two groups of drawstrings 5 can lay from the inside to the outside along the transverse direction of blade assembly 3.

Here for first choice it should be noted that " inside " is directed towards the direction in accommodating space center, " outside " is far from accommodating The direction in space center.

In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", " transverse direction ", " vertical ", "horizontal", "bottom" "inner", "outside" is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality With novel limitation.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. the venetian blind that one kind can be lifted directly, including upper rail (1), lower rail (2) and blade assembly (3), the blade assembly (3) Upper end connect with the upper rail (1), lower end is located on the lower rail (2), which is characterized in that further include elastic component (4) and Drawstring (5),

The elastic component (4) is placed in the upper rail (1), and the top of the drawstring (5) and the two of the elastic component (4) stretch End connection, the lower part of the drawstring (5) successively wears the upper rail (1), the blade assembly (3) and the lower rail from top to bottom (2) it and stretches out the two sides of the lower rail (2) and is fixed on outside；The gravity of the lower rail (2) and the blade assembly (3) with it is described The contractility of elastic component (4) is at dynamic balance state, so that the lower rail (2) can stop at an arbitrary position.

2. venetian blind according to claim 1, which is characterized in that the drawstring (5) is intersected in the lower rail (2) wears If.

3. venetian blind according to claim 1, which is characterized in that the drawstring (5) includes being symmetrical with the elastic component (4) The first drawstring (51) and the second drawstring (52) being arranged, one end of first drawstring (51) and the one end of the elastic component (4) Connection, one end of second drawstring (52) connect with the other end of the elastic component (4), first drawstring (51) and described The other end of second drawstring (52) respectively corresponds successively wears the upper rail (1), the blade assembly (3) and described from top to bottom Lower rail (2) and outside is fixed in the two sides for stretching out the lower rail (2).

4. venetian blind according to claim 3, which is characterized in that first drawstring (51) and second drawstring (52) It penetrates from one end of the lower rail (2) and is stretched out from contralateral side respectively.

5. venetian blind according to claim 1, which is characterized in that the elastic component (4) is placed in the interior of the upper rail (1) Portion center.

6. venetian blind according to claim 1, which is characterized in that the elastic component (4) uses spring.

7. venetian blind according to claim 1, which is characterized in that the drawstring (5) is in the interior winding pulley of the upper rail (1) (6), the bottom of the pulley (6) is fixedly installed in the upper rail (1).

8. venetian blind according to claim 1, which is characterized in that the lower rail (2) include be detachably connected first under Rail and the second lower rail.

9. venetian blind according to claim 1, which is characterized in that the blade assembly (3) includes ladder band (32) and multiple The blade (31) being arranged successively from top to bottom, multiple blades (31) wear the ladder band (32) respectively and are located at the upper rail (1) between the lower rail (2), the upper end of the ladder band (32) is connect with the upper rail (1).

10. venetian blind according to any one of claims 1 to 9, which is characterized in that the elastic component (4) and the drawstring (5) it respectively corresponds and is set as multiple, multiple elastic components (4) are placed side by side in the upper rail (1), multiple drawstrings (5) point It is not laid from inside to outside laterally along the blade assembly (3).