CN2349339Y - Shutter lifting/lowering mechanism with external pull rope - Google Patents

Abstract

The utility model relates to a shutter lifting and lowing mechanism without an exposed pull rope. The utility model comprises a blade group, a collecting and wrapping component, a blade wrapping rope and a positioning component, wherein, the blade group is provided with a plurality of blades. The collecting and wrapping component is provided with a rope wrapping member and a spring rebounding unit, wherein, the rope wrapping member and the spring rebounding unit are in interlocking connection. One end of the blade wrapping rope is penetrated through the blade group, and the other end of the blade wrapping rope is fixedly arranged on the collecting and wrapping component. The positioning component is arranged on the traveling route of the blade wrapping rope. The positioning component can generate a frictional resistance to be used for positioning the collecting and wrapping or releasing movement of the blade wrapping rope.

Description

There is not the shutter elevating mechanism that exposes stay cord

The utility model is about shutter, and detailed is to refer to that a kind of nothing exposes the shutter elevating mechanism of stay cord.

Press, shutter is to be installed on the window, and its purposes is attractive in appearance and intercepts the light penetration person, is to have the formed vane group of plurality of vanes; It is shutheight by the control vane group with the long-pending size of decision shutter integral installation facing, in addition by the angle of inclination of control blade to determine each interlobate printing opacity gap;

Press again, commonly use the control mode of blade of louver window group adjustable height and stop position, driven by a stay cord elevating mechanism, this elevating mechanism has a vertical outer outer stay cord of blade that places, an one vane group stay cord and a ratchet stopper assembly, should outer stay cord be to expose to the curtain side wherein so that the staff pulling to be provided, this vane group stay cord is to link vane group is arranged, mode by the outer stay cord of pulling, make vane group stay cord interlock and and then control vane group lift in height person, drive this ratchet stopper assembly simultaneously and form states such as stopper or disengaging, and this vane group optional position fixed or be the person that to spur the jacking condition.

The above-mentioned structure of commonly using, be beyond stay cord expose to the lifting of operation blade of curtain side so that the staff pulling to be provided; This kind exposes the mode of operation of stay cord, though still have a convenience,, but form a kind of potential hazards in the life for the child, in case misoperation or have and form the anxiety reach evil safety, even the child is taken place play with because of contact and expose the unfortunate event generation that stay cord is strangled; In addition, we all know, rope body quantity with around the scroll attitude the more, more easily produce and be entangled with peripheral things, with regard to commonly using structure, this exposes stay cord easily is entangled with the vane group generation and forms inconvenient person.

Edge this, main purpose of the present utility model is that the shutter elevating mechanism that provides a kind of nothing to expose stay cord is provided, it has tight security and splendid property convenient for control.

Another purpose of the present utility model is that the shutter elevating mechanism that provides a kind of nothing to expose stay cord is provided, it has less rope body quantity and simplifies rope around the scroll attitude, to form external form simply and the optimum design of attractive in appearanceization.

Edge is to reach above-mentioned purpose, and a kind of nothing of the utility model exposes the shutter elevating mechanism of stay cord, and it has a vane group, a rolling assembly, a blade serving and certain hyte part; Wherein this vane group cording has plurality of vanes; This rolling assembly has a serving member and a spring and returns and release the unit, and wherein this serving member is to return with this spring to release the unit interlock, and this spring returns and releases the unit tool and release pre-power person once; This blade serving, be that an end passes this vane group person, the other end is this positioning component, be to be arranged on the conduct route of this blade serving, it can produce a frictional resistance, this frictional resistance is to return greater than this spring to release returning of unit and release pre-power, and in order to locate the rolling or the released movement person of this vane group stay cord; Therefore, but the frictional resistance that nationality is produced by this positioning component, and to overcome the strength that furls of this blade serving, feasible control blade serving furls or the release situation, and then controls the adjustable height of this vane group and the position that stops.

For being had for the purpose of this utility model, feature and effect, your juror further understands and approval, after enumerating following examples now and cooperating graphic being described in more detail in, wherein:

Fig. 1 is a stereoscopic schematic diagram of the present utility model.

Fig. 2 is the three-dimensional exploded view that the utility model furls the unit.

Fig. 3 is the three-dimensional exploded view of the utility model positioning component.

Fig. 4 is the positioning states schematic diagram () of positioning component of the present utility model and each serving.

Fig. 5 is the release conditions schematic diagram (two) of positioning component of the present utility model and each serving.

Fig. 6 is the sectional view of another embodiment positioning component of the utility model.

At first see also shown in Figure 1ly, the utility model does not have the shutter elevating mechanism that exposes stay cord and has a framework 10, a vane group 20, a rolling assembly 30, a blade serving 40 and certain hyte part 50, wherein:

This framework 10 is the tops that are arranged in shutter, and in order to be set up in person on the forms, its two ends, bottom are arranged with a fixed part 11A 11B person;

This vane group 20 has plurality of vanes 21, and its lowermost end is to be provided with a base plate (this vane group overall weight is represented with W);

This rolling assembly 30 is to be arranged in the framework 10, has the axle 31 of a polygon section, and these axle 31 two ends are arranged with a serving member 32 respectively, and this serving member 32 is to be a rolling wheel person; Have at least a spring to return and release unit 33, (as shown in Figure 2), this each spring returns releases unit (33), has a bearing seat (331), its inside has been installed with a scroll spring 332, the outer end of this scroll spring 332 is installed on the bearing seat 331, and the inner then is installed with a sleeve 333, and the hollow section of this sleeve 333 is identical with these axle 31 sections and be sleeved on this axle; One capping 334 is to be covered on this bearing seat 331 outer faces, makes this bearing seat 331, scroll spring 332, sleeve 333 and capping 334 formation one modular spring return and releases the unit; This scroll spring 332 is stored the pre-power (representing with R) that the furls person who releases once when assembling in addition; Wherein this time released upwards furls pre-power and must the whole blade group be rolled greater than this vane group overall weight W, that is:

R (furling pre-power)＞W (vane group overall weight)

This blade serving 40, have two serving 40A 40B, this each serving 40A 40B is that end volume is located on this each serving member 32 respectively, the other end be around this each blade 21 downwards, base plate 22 is upwards worn around blade 21 to the fixed part 11A 11B of framework 10 again, and forms loop winding kenel person;

This positioning component 50 is to be arranged in the middle of the base plate 22 of this vane group 20, as shown in Figure 3, has a box body 51, and this box body 51 is provided with a spatial accommodation 511, and also nationality is by a capping 54 involutions, and these box body 51 side direction are equipped with left and right two parallel line holes 512; One clip engine piece 52 is to be arranged in the spatial accommodation 511 of this box body 51, and its bottom is also sincere by a spring 53 tops, and its body body side direction is equipped with left and right two parallel line holes 521; Be two serving 40A40B of this vane group serving 40 can be passed respectively in the line hole 512 521 of this box body 51, clip engine piece 52; As shown in Figure 4, when spring 53 pushes up sincere this clip engine piece 52 naturally, line hole 512 correspondence positions of these clip engine piece 52 line holes 521 and box body 51 stagger mutually and produce the sincere effect of the folder of serving, the sincere power of folder and the frictional resistance (representing) that are produced by 50 couples of serving 40A40B of this positioning component with F, overcome back the backrush strength that the pre-power of releasing (R) that furls deducts the serving 40A40B after the vane group weight (W), that is:

R (furling pre-power)-W (vane group weight)≤F (positioning component frictional resistance)

So blade is able to location, optional position in rising or descending stroke; As shown in Figure 5, when staff presses this clip engine piece 52, this moment, these clip engine piece 52 line holes 521 were near corresponding with the line hole 512 of box body 51, at this moment, the folder that 50 couples of serving 40A of this positioning component 40B is produced is sincere and frictional resistance is minimum, and is the state person who discharges this each serving 40A 40B, when desiring that blade is risen, only hand need be taken advantage of a situation upwards pushes, because the backrush power of this serving 40A 40B is pressed from both sides sincere greater than this and the friction resistance, so blade is upwards risen; Otherwise, if desire reduces blade height, then with moving this clip engine piece 52 of hand, sincere and the frictional resistance of the folder that 52 couples of serving 40A of clip engine piece 40B is produced diminishes or disappears, this moment is because the weight of vane group has been offset the most upwards backrush power of this serving 40A 40B, so only need impose the pulling force of seldom being permitted can make the blade height descender, and when desiring to make blade when the optional position is standing, also only the clip engine piece in the hand 52 need be got loose gets final product.

See also shown in Figure 6 again, be to be another preferred embodiment of the present utility model, it is the positioning component 50 that shows different structure, what they were different with above-mentioned preferable enforcement is, box body 51 side direction of this positioning component 50 are equipped with upper and lower two parallel line holes 512, and these both sides, box body 51 spatial accommodations, 511 top are equipped with two shoulders 514 respectively; This clip engine piece 52, its top is concaved with two recesses 522, wherein this each recess 522 is each shoulder 514 corresponding to this box body 51, the top of spring 53 by its bottom is sincere, the recess 522 of this clip engine piece 52 is sticked on the shoulder 514 of this box body 51, and produces the sincere and frictional resistance of folder of each serving 40A 40B; The sincere power in top as if overcome this spring 53 with hand-power then can discharge this each serving 40A 40B person;

What must be illustrated is, positioning component 50 of the present utility model is not limited to above-mentioned structure, and it also can utilize the simple structure of stage card, and produces to the folder of this serving sincere and frictional resistance; The line of this serving is established vane group bottom that kenel also the can be one-way fashion winding mode to this rolling part simultaneously, but not be the winding mode of loop-type in the foregoing description, and its conduct route that only needs to roll up stay cord 40A 40B is provided with this stopper assembly 50 and gets final product; In addition, the utility model is formed under the Different Weight situation by have different blade quantities in response to the window height, and the modularity of this spring unit 33 can form in response to the different numbers of blade under the different weight, return the quantity of releasing unit 33 and set up or reduce this spring, person easily is installed fast; Moreover the medial extremity of scroll spring 332 of the present utility model can directly be fixedly arranged on this axle 31 but not need the person of setting up of this sleeve 333; Therefore implement according to the described equivalence of claim such as, all should be considered as the utility model creation spirit person.

To sum up institute is old, and the utility model really can be reached above-mentioned effect, and confirms really can reach the effect of our expection through sample, its practicality is unquestionable, and its technological means do not see the person of commonly using, and really can promote effect, met novelty and progressive, the person does not file an application in accordance with the law in the whence.

Claims (8)

1, a kind of nothing exposes the shutter elevating mechanism of stay cord, has a vane group, a rolling assembly, a blade serving and certain hyte part; It is characterized in that wherein this vane group is to have plurality of vanes; This rolling assembly has a serving member and a spring and returns and release the unit, and wherein this serving member is to return with this spring to release the unit interlock, and this spring returns and releases the unit tool and stop reading once and receive pre-power person; This blade serving is that an end passes this vane group person, and the other end is to be fixedly arranged on this serving member, makes this leaf levy serving and has a rolling strength person; This positioning component is to be arranged on the conduct route of this blade serving, and it can produce a frictional resistance to this serving, and in order to locate the rolling or the released movement person of this blade serving; Nationality by this positioning component of manual operation after and give pushing away or drop-down, furl or discharge with control blade serving, and then control the adjustable height of this vane group and the position that stops.

2, expose the shutter elevating mechanism of stay cord according to the described nothing of claim 1, it is characterized in that, wherein this serving member is to be a rolling wheel, is to be sheathed on the axle; This spring returns and releases the unit is to have a scroll spring, and its medial extremity is to be fixedly arranged on this axle, and outboard end is to be fixedly arranged on person on the bearing seat.

3, expose the shutter elevating mechanism of stay cord according to the described nothing of claim 1, it is characterized in that, wherein this serving member is to be a rolling wheel, is to be sheathed on the axle; This spring returns and releases the unit is to have a scroll spring, and its inner side is to be fixedly arranged on the sleeve, and this sleeve is can overlap should axle, and this scroll spring outboard end be fixedly arranged on person on the bearing seat.

4, expose the shutter elevating mechanism of stay cord according to the described nothing of claim 1, it is characterized in that, wherein this vane group lowermost end has a base plate, and this blade serving one end is to be fixedly arranged on this serving member, the other end is to wear this each blade, base plate around ground downwards, upwards wear again around blade to the shutter top fixing person.

5, expose the shutter elevating mechanism of stay cord according to the described nothing of claim 1, it is characterized in that, wherein this positioning component has a box body, and this box body is provided with a spatial accommodation, and its side direction is equipped with some lines hole; One clip engine piece is to be arranged in the spatial accommodation of this box body, and its bottom is also sincere by spring top, and its body body side direction is equipped with some lines hole, is the vane group stay cord can be passed respectively in the line hole of this box body and this clip engine piece.

6, expose the shutter elevating mechanism of stay cord according to the described nothing of claim 1, it is characterized in that, wherein this positioning component is to be stage card letter structure person.

7, expose the shutter elevating mechanism of stay cord according to the described nothing of claim 4, it is characterized in that, wherein this positioning component is to be arranged in the middle of this vane group base plate.

8, expose the shutter elevating mechanism of stay cord according to the described nothing of claim 3, it is characterized in that, wherein this spring returns this scroll spring of releasing the unit and this sleeve system is located in the bearing seat, and be covered on this bearing seat by a capping, make this scroll spring, sleeve, bearing seat and capping form a modular structure person.

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