CN2811528Y

CN2811528Y - Minor angle controlled shutter roller assembly

Info

Publication number: CN2811528Y
Application number: CN 200520109573
Authority: CN
Inventors: 黄太郎
Original assignee: LIFANG ENTERPRISE CO Ltd
Current assignee: LIFANG ENTERPRISE CO Ltd
Priority date: 2005-07-06
Filing date: 2005-07-06
Publication date: 2006-08-30
Anticipated expiration: 2015-07-06

Abstract

The utility model relates to a minor angle controlled shutter roller assembly, which is arranged in an upper beam, is penetrated by a pull rope, and comprises a fixing seat which is positioned in the upper beam, a fixing roller which is pivoted in the fixing seat, a braking wheel which corresponds to the fixing roller and a stop lever unit which is assembled at the bottom part of the fixing seat. The fixing seat is provided with an upright clamping surface. The braking wheel is operated by the pull rope to move to a loosening position from a clamping position which can cause the pull rope to be clamped between the fixing roller and the clamping surface. The clamping surface is utilized to brake the braking wheel to upwards move to the clamping position from the loosening position within the range of a minor operating angle, the operation can not limited by window environment and a window curtain can be successfully operated to stop at a required position.

Description

The shutter assembly pulley of controlling with low-angle

Technical field

The utility model relates to a kind of shutter, particularly relates to a kind of shutter assembly pulley of controlling with low-angle.

Background technology

As shown in Figure 1, existing a kind of shutter assembly pulley (United States Patent (USP) the 4th, 945, No. 970 cases), be mounted in one and put the beams in place 1 innerly and pass, and include a holder 3 that is positioned at this 1 inside of putting the beams in place, fixed idler whell 4 that is located at these holder 3 inside, a pair of brake wheel 5 and one group of pin unit 6 that is located at these holder 3 bottoms that should fixed idler whell 4 for a stay cord 2.

This holder 3 has a pair of 1 root edge and be the base wall panel 301 of ring frame shape of should putting the beams in place, two are provided with and are convexly equipped with the sidewall paneling 302 on this base wall panel 301 relatively, two are provided with and are located at elastic clamping hook 303 and the blocking plate 304 between sidewall paneling 302 between the sidewall paneling 302 relatively, this blocking plate 304 and sidewall paneling 302, wherein an elastic clamping hook 303 its match and define a space 305, this blocking plate 304 has a stop surface 306 adjacent to this space 305, this stop surface 306 is to take the form of inclined plane, and gradually towards these space 305 inner inclination, this stop surface 306 is to make the groove shape and have a bottom 306 ' and that is close to this base wall panel 301 to be opposite top ends 306 with this bottom 306 ' when being extended upward by this base wall panel 301 ".This fixed idler whell 4 is that axle is established and is positioned between the sidewall paneling 302, and can supply these stay cord 2 windings.This brake wheel 5 is to be arranged on movably in this space 305, and an outer peripheral face is provided with groove.This pin unit 6 is to be plugged in this base wall panel 301 tops, and makes in this spacing space 305 of this brake wheel 5.

Again as shown in Figure 1, when braked by the pulling force of this stay cord 2 curtain pull-up and this brake wheel 5, can be along this stop surface 306 and by moving to top ends 306 on the bottom 306 ' "; and make 5 of this brake wheels in a blocking position, and the position is between this stop surface 306 and this fixed idler whell 4 and to these stay cord 2 generation clamping actions.

Fig. 2 solid line is represented for another example, when desiring to put down curtain, be that this stay cord 2 is swung to the left, this brake wheel 5 just can fall to a disengaged position downwards by this blocking position, and when desiring to make curtain rest on a certain position, shown in Fig. 2 imaginary line, the operator must be again be against stay cord 2 on this stop surface 306 to the right swing and with 5 groups of brake wheels, and makes this brake wheel 5 can be subjected to moving to the blocking position on the tension of stay cord 2 again.

Though, this shutter assembly pulley can reach the purpose of operation curtain height, but because this stop surface 306 is bevel shapes, so that will control that curtain descends and must operate stay cord 2 when resting on a certain position and swing to the right, the angle of swing is very big, and if the position that this curtain is installed next-door neighbour's metope, and when making this assembly pulley also be in close proximity to metope, then the operator will operate when stay cord 2 is swung to the right and can bump against metope, and can cause stay cord 2 can't touch brake wheel 5 and do not play braking action, and finally make curtain can not rest on a certain position.

The utility model content

The purpose of this utility model be to provide a kind of pendulum angle of operating stay cord little, be not subjected to the window environmental limitations and can operate the shutter assembly pulley of controlling with low-angle that curtain rests on needed position smoothly.

The shutter assembly pulley that the utility model is controlled with low-angle, be mounted in one and put the beams in place inner and pass, and include one and be positioned at holder on this uppers beam, fixed idler whell that is located at this holder inside, a pair of brake wheel and one group of pin unit that is located at bottom this holder that should fixed idler whell for a stay cord.This holder has a pair of base wall panel, two that should put the beams in place root edge and be ring frame shape and is provided with and is convexly equipped with the sidewall paneling on this base wall panel, the blocking plate between the aforementioned lateral wall plate relatively, it matches and defines a space, this blocking plate has a stop surface adjacent to this space, this stop surface is perpendicular to this base wall panel, and the bottom and with contiguous this base wall panel is opposite with this bottom and corresponding to the top ends of this articulated section.This fixed idler whell is that axle is established between the sidewall paneling that is positioned at this holder, and the position is in this space, and for this stay cord winding, between this fixed idler whell is with respect to a lateral margin of this stop surface and this stop surface, has a spacing, this brake wheel is arranged between this fixed idler whell and this stop surface, and can between a blocking position and a disengaged position, be produced mobile along this stop surface by this stay cord operation, this brake position of wheel is to ending on this top ends and can be with this stay cord clipping on fixed idler whell in the blocking position, and the position is corresponding bottom in disengaged position, and the external diameter of this brake wheel adds that the footpath of this stay cord is wider than this spacing.This pin unit is to should base wall panel and be embedded in this holder, and makes this brake wheel spacing in this space.

Whereby, utilize this stop surface to be vertical, operation stay cord pendulum angle does not to the right need very greatly, and just the stopper brake wheel returns back to the blocking position smoothly, is not subjected to the window environmental limitations, the sensitivity of braking, can controls the effect that curtain rests on a certain position easily so have.

Description of drawings

Below by most preferred embodiment and accompanying drawing the shutter assembly pulley of controlling with low-angle of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the combination section of existing a kind of shutter assembly pulley;

Fig. 2 is the operation chart of this kind shutter assembly pulley;

Fig. 3 is the combination section of the utility model one preferred embodiment;

Fig. 4 is the operation chart of the above-mentioned preferred embodiment of the utility model, and description operation one stay cord is swung left and can be made a brake wheel fall to a disengaged position by a blocking position;

Fig. 5 is another operation chart of the above-mentioned preferred embodiment of the utility model, and this stay cord of description operation is swung brake this brake wheel to the right and returned back to the blocking position by disengaged position.

The specific embodiment

As shown in Figure 3, the shutter assembly pulley preferred embodiment that the utility model is controlled with low-angle, be mounted in one and put the beams in place 100 innerly and pass, and include one and be positioned at holder 10 on this upper beam 100, fixed idler whell 20 that is located at these holder 10 inside, a pair of brake wheel 30 and one group of pin unit 40 that is located at these holder 10 bottoms that should fixed idler whell 20 for a stay cord 110.

This holder 10 have a pair of base wall panel 11, two that should put the beams in place 100 root edges and be ring frame shape be provided with relatively and be convexly equipped with the sidewall paneling on this base wall panel 11 12, be arranged on fixedly trip 13 between the sidewall paneling 12, one with this fixedly the elastic clamping hook 14 that is oppositely arranged of trip 13 and one at this fixing blocking plate 15 between trip 13 and this elastic clamping hook 14, at sidewall paneling 12 and fixedly define a space 16 between trip 13, the blocking plate 15.Utilizing fixedly, trip 13 can make these holder 10 inlay cards be positioned on the upper beam 100 with this elastic clamping hook 14, this holder 10 also has two respectively to fixing trip 13 first and second hole clipping 17,18 with elastic clamping hook 14, and this base wall panel 11 has a pair of guiding incline 111 that should second hole clipping 18.This blocking plate 15 is perpendicular to this base wall panel 11, and has one adjacent to this space 16 and be the stop surface 151 of vertical, and the bottom 152 and that this stop surface 151 has contiguous this base wall panel 11 is opposite top ends 153 with this bottom 152.

This fixed idler whell 20 is that axle is established between the sidewall paneling 12 that is positioned at this holder 10, and the position is in this space 16, and for these stay cord 110 windings, has a space D between this fixed idler whell 20 is with respect to a lateral margin of this stop surface 151 and this stop surface 151.

This brake wheel 30 is upper and lowerly to be arranged in the space 16 of this holder 10 movably, and the position is between this fixed idler whell 20 and this stop surface 151, and by 110 operations of this stay cord can be along this stop surface 151 and one corresponding to the blocking position and of top ends 153 corresponding to the disengaged position of bottom 152 between generation mobile.These brake wheel 30 1 outer peripheral faces are provided with groove 31.The external diameter of this brake wheel 30 adds that the footpath of this stay cord 110 is wider than this space D.

This pin unit 40 has two and is embedded clamping end 41,42 and in first and second hole clipping 17,18 respectively between clamping end 41,42 and be blocked in the stage casing 43 of these 16 bottoms, space, and makes this brake wheel 30 spacing in this space 16.

When assembling, can be earlier the clamping end 41 of this pin unit 40 be plugged in first hole clipping 17, utilize the guiding incline 111 of this base wall panel 11 again and smoothly this clamping end 42 is forced in second hole clipping 18, this pin unit 40 is attached in this holder 10.And fixedly trip 13 first buckles are being put the beams in place on 100 again, utilize again this elastic clamping hook 14 dynamic elasticity partially and can be easily with nested this 100 inside of putting the beams in place that are positioned at of assembly pulley integral body.

Again as shown in Figure 3, when curtain pull-up and this brake wheel 30 are subjected to the tension of this stay cord 100 and position during in the blocking position, utilize the external diameter of this brake wheel 30 to add that the footpath of this stay cord 110 is wider than the effect of this space D, this brake wheel 30 can support and end on the top ends 153 of this stop surface 151, and can be with these stay cord 110 clippings on fixed idler whell 20.

And for example shown in Figure 4, when desiring to put down curtain, the operator can swing this stay cord 110 to the left, this brake wheel 30 just can fall to disengaged position downwards by this blocking position, and when desiring to make curtain rest on a certain position, as shown in Figure 5, the operator need only operate stay cord 110 again and be rocked to and be the vertical that is parallel to stop surface 151 approximately, just 30 groups of this brake wheels can be against on the bottom 152 of this stop surface 151, and make this brake wheel 30 can be subjected to again stay cord 110 tension and on move to the blocking position, finally can revert back to blocking state shown in Figure 3.

Therefore, the utility model utilizes this stop surface 151 to be vertical, so that will this curtain descend and when resting on a certain position, the pendulum angle of operation stay cord 100 does not need very big, just stopper brake wheel 30 returns back to the blocking position smoothly, even the position that curtain is installed next-door neighbour's metope, and when this assembly pulley also is in close proximity to metope, can be because of operation stay cord 110 not bump against metope, cause stay cord 110 can't touch the problem of brake wheel 30 yet, thus have be not subjected to window environmental limitations, brake sensitive, can control the effect that curtain rests on a certain position easily.

In addition, this guiding incline 111 is set on this base wall panel 11, be after making the clamping end 41 of this pin unit 40 insert in these first hole clippings 17 earlier, this clamping end 42 can utilize this guiding incline 111 and be forced into easily in this second hole clipping 18, do not need application tool fully, and just can finish assembling at an easy rate.

Claims

1. shutter assembly pulley of controlling with low-angle, be mounted in a upper beam inside and supply a stay cord to pass, and include one and be positioned at holder on this upper beam, fixed idler whell that is located at this holder inside, a pair of brake wheel and one group of pin unit that is located at this holder bottom that should fixed idler whell, it is characterized in that:

This holder, have a pair of base wall panel, two that should put the beams in place root edge and be ring frame shape and be provided with and be convexly equipped with the sidewall paneling on this base wall panel, the blocking plate between the aforementioned lateral wall plate relatively, it matches and defines a space, this blocking plate has a stop surface adjacent to this space, this stop surface is perpendicular to this base wall panel, and the bottom and with contiguous this base wall panel is opposite with this bottom and corresponding to the top ends of this articulated section;

This fixed idler whell is that axle is established between the sidewall paneling that is positioned at this holder, and the position is in this space, and for this stay cord winding, has a spacing between this fixed idler whell is with respect to a lateral margin of this stop surface and this stop surface;

This brake wheel, be arranged between this fixed idler whell and this stop surface, and can between a blocking position and a disengaged position, be produced mobile along this stop surface by this stay cord operation, this brake position of wheel is to ending on this top ends and can be with this stay cord clipping on fixed idler whell in the blocking position, and the position is corresponding bottom in disengaged position, and the external diameter of this brake wheel adds that the footpath of this stay cord is wider than this spacing;

This pin unit is to should base wall panel and be embedded in this holder, and makes this brake wheel spacing in this space.

2. the shutter assembly pulley of controlling with low-angle as claimed in claim 1, it is characterized in that: this holder also have one be arranged between the sidewall paneling fixedly trip and one and should be fixedly the elastic clamping hook that is oppositely arranged of trip, and this blocking plate position is at this fixedly between trip and this elastic clamping hook, and fixedly trip and elastic clamping hook are that inlay card is positioned on the upper beam for these.

3. the shutter assembly pulley of controlling with low-angle as claimed in claim 2 is characterized in that: this holder also has two respectively corresponding to this fixing hole clipping of trip and elastic clamping hook and this pin unit inlay card of confession.

4. the shutter assembly pulley of controlling with low-angle as claimed in claim 3 is characterized in that: the base wall panel of this holder has the wherein guiding incline of a hole clipping of a correspondence.