CN2486720Y

CN2486720Y - Power saving winding device for curtain pull rope

Info

Publication number: CN2486720Y
Application number: CN 01232551
Authority: CN
Inventors: 洪天赐
Original assignee: Nien Made Enterprise Co Ltd
Current assignee: Nien Made Enterprise Co Ltd
Priority date: 2001-08-03
Filing date: 2001-08-03
Publication date: 2002-04-17
Anticipated expiration: 2011-08-03

Abstract

A curtain stay cord labor saving rolling device is arranged on the top end of the curtain, a shaft journal of a bearing base is provided with a rotary rotor; one end of a stay cord is fixed on the bottom of the curtain, the other end of the stay cord is connected with the rotor via the bottom surface of the bearing base; a drive mechanism drives the rotor to generate forward / reverse rotation so as to promote the stay cord to roll or release; an assistant element provides deflecting power to assist the rotor to be smoother when the rotor rotatablely roll the stay cord so as to enable the drive mechanism to reduce the rotation force application load of the drive rotor.

Description

The laborsaving retracting device of curtain rope

Technical field

The utility model is relevant with curtain member, the more detailed laborsaving retracting device of a kind of curtain rope that is meant.

Background technology

Press, generally with vertically to serve as to launch use or furl the Window curtain structure that places on the whole to include a upper ledge and a lower frame and a drag-line etc., on being somebody's turn to do, can be connected in series most curtain blades between the lower frame and constitute sun blind, or on being somebody's turn to do, be connected with a cloth cover between the lower frame and constitute a roller shutter, no matter be the curtain of which kind of kenel, how to control curtain directly or indirectly to spur this drag-line serves as to launch or place, again, the sunshade area size that above-mentioned curtain launches is difference according to the occasion of curtain use, it may be for having the curtain of longer extension area, or have the curtain that broad hides face;

Aforementioned curtain utilizes its lower frame and most blade (or lower frame and cloth cover) to get because of gravity hangs down naturally gently to draw this drag-line to impel curtain launch to use so that the user takes advantage of a situation, relatively, when desiring to furl this curtain, the user then must begin greater than the loading that this lower frame and most blade (or lower frame and cloth cover) are derived because of hanging down to this drag-line applied force amount, so the side is enough to lower frame and these blades (or cloth cover) are rolled, so curtain is comparatively required great effort when furling usually;

Again, the blade (or cloth cover) that the loading that the nature that forms hangs down when launching of above-mentioned curtain is big or small and the sunshade area of curtain is big or small and selected is relevant, when this curtain is when having long or the sun face of broad, or the material of blade itself is heavier, width of blade is more abundant etc., all will make the curtain gross weight increase, it causes the user to resist this loading and to reach the purpose that furls curtain with the bigger application of force relatively, and it causes not convenient in the use.

In addition, except above-mentioned serve as the mode that furls of control curtain with manpower pulling drag-line, also having with the installing motor is that indirect drive is controlled this curtain and furled, only, as previously mentioned, when curtain launches and its hang down naturally under the heavier situation of the loading of deriving, the power output that this motor driving furls must promote thereupon and begin to resist the loading of curtain to furl action, and this situation must be used instead and had than heavy load ability and the bigger motor of volume, and it will cause the curtain cost of manufacture to increase and this motor accounts for than the disappearance of large space.

Summary of the invention

Main purpose of the present utility model is to provide a kind of curtain rope the laborsaving receiving apparatus of helping, and it provides an auxiliary strength and to help stay cord more smooth and easy when furling.

Secondary objective of the present utility model is to provide a kind of curtain rope laborsaving retracting device, and it can be used in combination with a drag-line, is able to comparatively the labour-saving mode and spurs one rotating shaft of drag-line interlock for furling stay cord.

Another purpose of the present utility model is to provide a kind of curtain rope laborsaving retracting device, and it can be used in combination with a motor, can slow down motor and drive a rotating shaft required power output of when rotation.

For reaching above-mentioned purpose, the laborsaving retracting device of a kind of curtain rope provided by the utility model is to be installed in the curtain top, and it includes:

One load bearing seat, its two ends are respectively one first pivot portion and one second pivot portion, and a rope hole is positioned at this load bearing seat bottom surface one end; One rotating shaft is a microscler cylindrical shell, and two ends of this rotating shaft are articulated in respectively in two pivot portions of this load bearing seat and turn; One driving rotation mechanism is just producing/reverse rotation in order to drive this rotating shaft; One stay cord, an end are consolidated in this curtain bottom, and the other end wears and connects this rotating shaft behind this rope hole, and this stay cord be subjected to this rotating shaft just/reverse rotation and for rolling up/putting; One auxiliary tool, more smooth and easy in the time of can providing a deflection strength to furl stay cord to help this rotating shaft to rotate, be minimized the application of force load that drives the rotating shaft rotation and cause this driving rotation mechanism.

Wherein first of this load bearing seat pivot portion has a projection, and its second pivot portion is a perforation, and this rotating shaft inner hollow and one end tool one open end face make this projection can stretch in this rotating shaft, and this rotating shaft other end external diameter then just can penetrate in this perforation.

Wherein this auxiliary tool is that most circles twine the torque spring of establishing, and this spring housing is located at this projection outside, and spring one end is fixed on this projection precalculated position, and the other end then is fixed in this rotating shaft inside.

Wherein this load bearing seat one end has a recessed groove of putting, and this first pivot portion sets part by one and constitute, and this is set part one end and is fixed in this recessed groove place other end of putting and then forms this projection.

Wherein the rope hole of this load bearing seat is near this first pivot portion, and the position that this stay cord is connected with this rotating shaft is near this second pivot portion.

Wherein this rotating shaft has a bigger diameter end and a miner diameter end, and this bigger diameter end is near this first pivot portion, and this miner diameter end is then near this second pivot portion.

Wherein this driving rotation mechanism has a runner and a drag-line, and this runner is arranged in this rotating shaft one end, and sheathed this drag-line on this runner, but spurs this rotating shaft rotation of this drag-line interlock.

Wherein this driving rotation mechanism also includes one times of power assembly, and this times power assembly is arranged between this rotating shaft and this runner, and this times power assembly includes a turbine and a scroll bar that is meshed, and this turbine is coaxial affixed with this rotating shaft, and this scroll bar one end is then affixed with this runner.

Wherein this rotating shaft is passed this end of boring a hole and is had one first hole clipping, and this turbine has one second hole clipping, and this each hole clipping is a non-circular hole, and insert respectively in this each hole clipping at power transmission shaft two ends is that transmission is used.

Wherein this driving rotation mechanism comprises a motor, and this motor is subjected to switch control and drives this rotating shaft and just producing/reverse rotation.

Description of drawings

Below, enumerate preferred embodiment of the present utility model now, and after cooperating following diagram to be described in more detail in, wherein:

Fig. 1 is the exploded perspective view of the utility model first embodiment;

Fig. 2 is the combination stereogram of the utility model the foregoing description;

Fig. 3 cuts open for the combination of the utility model the foregoing description and shows and schematic diagram that stay cord elongates;

Fig. 4 cuts open for the combination of the utility model the foregoing description and shows and schematic diagram that stay cord furls;

Fig. 5 is the first application state schematic diagram of the utility model the foregoing description;

Fig. 6 is the second application state schematic diagram of the utility model the foregoing description;

Fig. 7 is the series connection schematic diagram of retracting device among Fig. 6;

Fig. 8 is the schematic diagram of the utility model second embodiment, drives the rotating shaft rotation in order to explanation with motor.

The specific embodiment

See also Fig. 1,2 and laborsaving retracting device first embodiment of the utility model curtain rope shown in Figure 3, this retracting device 100 is installed in curtain top (upper ledge), and it is made up of a load bearing seat 10, a rotating shaft 20, a driving rotation mechanism 30, a stay cord 40 and an auxiliary tool 50; Wherein:

This load bearing seat 10 has a bottom surface 11 and in the upwardly extending

abutment wall

12,13 of these bottom surface 11 two side ends, this abutment wall 12 establishes and be formed with in the bottom the recessed groove 121 of putting of a semicircle to incision from its apical margin; One sets part 14 is a round bar body, its front end protrudes out and is that a fastener (bolt) wears to be and bridges and be locked in this recessed putting on the groove 121, causing this sets part 14 and does not rotate, this is set part 14 body portions and is equipped with a retaining edge 141 and can contact at this abutment wall 12 inner faces again, and its retaining edge 141 rears are formed with a larger-diameter shrinking section 142 and a projection 143 than minor diameter in regular turn, and this projection 143 also forms one first pivot portion;

Then provided a perforation 131 on this abutment wall 13 to constitute one second pivot portion; And this bottom surface 11 is penetrated with a rope hole 15, and this rope hole 15 is provided with near this abutment wall 12.

This rotating shaft 20 is a microscler cylindrical shell of inner hollow, and it has a bigger diameter end 21 and a miner diameter end 22, and these rotating shaft 20 outside slopes are extenuated toward these miner diameter end 22 directions from this bigger diameter end 21; Again, this rotating shaft 20 is empty open shape in the end face of bigger diameter end 21, make this shrinking section 142 of setting part 14 to fill in and establish in the rotating shaft 20, and this projection 143 is to these rotating shaft 20 inner extensions; In addition, the miner diameter end 22 of this rotating shaft 20 is to be brought neck together and just can pass this perforation 131, and this neck vertically and be provided with a section and be hexagonal first hole clipping 221;

These rotating shaft 20 2 ends utilize an end to place for this projection 143 respectively, and the other end wears this perforation 131 and is also rotatable in these two pivot portions that are articulated in this load bearing seat 10.

This driving rotation mechanism 30 includes one times of power assembly 31, a runner 32, a drag-line 33 and a power transmission shaft 34, wherein:

This times power assembly 31 is made of a housing 35 an inner turbine 311 and scroll bars 312 of installing the transmission that is meshed, these turbine 311 centers have a section and are similarly hexagonal second hole clipping 311a, insert respectively among this first hole clipping 221 and this second hole clipping 311a at these power transmission shaft 34 two ends that are hexagonal cylindrical, makes also interlock each other of this rotating shaft 20 and these turbine 311 coaxial settings; The use characteristic of this times power assembly 31 is that ordering about this turbine 311 with this scroll bar 312 rotates easily again, otherwise it is then comparatively difficult to desire to order about these scroll bar 312 turns with this turbine 311, and identical aforementioned techniques can also tool the gear of different gear ratios substitute use and reach identical purpose, only, in this only just best enforcement aspect narration, hold and no longer the gear of different gear ratios is stated;

In addition, not mesh an end be to form a fastening end 312a to this scroll bar 312; And these runner 32 centers have a square embedding hole 321 and place wherein and form to fix for the fastening end 312a of this scroll bar 312 and engage, and these runner 32 peripheries also are equipped with several pearl grooves 322;

And this drag-line 33 is served as reasons most pearl bodies serial connection and the pelletron that forms, this pelletron and be sheathed on this runner 32 and partly the pearl body drop place pearl groove 322, utilize this pelletron of pulling to order about this this scroll bar 312 of runner 32 interlocks and turbine 311 rotations, drive this rotating shaft 20 indirectly and just producing/reverse rotation.

These stay cord 40 1 ends are consolidated in this position, curtain bottom (lower frame), and the other end then is connected and fixed in this rotating shaft 20 after wearing this rope hole 15 again, and its link position is near these abutment wall 13 1 ends;

This stay cord 40 be subjected to this rotating shaft 20 forward or backwards rotation control and cause the rope body to be wound in this rotating shaft 20 outside or elongate for discharging, the former impels curtain for placing, the latter then makes curtain launch to use.

This auxiliary tool 50 is that most circles twine the spring of establishing, it is sheathed on this projection 143 outsides, this spring one end utilizes a fixture (bolt) and is fixed on these projection 143 precalculated positions, and the other end also passes rotating shaft 20 with a fixture (bolt) and is consolidated in this rotating shaft 20 inner end places near miner diameter end 22;

When rotating shaft 20 reverse rotations cause stay cord 40 and are elongated condition (referring to Fig. 3), this spring maintains static owing to an end, the other end rotates with work rotating shaft 20, to make the more tight and storage power of spring spooling degree, the storage power of this moment is because this driving mechanism 30 includes this times power assembly 31, therefore, this energy transmits via turbine 311 and can't this scroll bar 312 of turn, so energy continues to store and increase, and when the utility model was stretched to total length with curtain, it was design basis that its maximum storage energy also can not make this turbine 311 drive this scroll bar 312;

And when this rotating shaft 20 when being rotated in the forward, that is, when utilizing this drag-line 33 to drive this scroll bar 312 and these turbine 311 rotations of transmission, this spring will discharge energy storage and when this rotating shaft 20 produced one the deflection assistance force of (forward) furls stay cord 40 to help this rotating shaft 20 to rotate in the same way more smooth and easy (as shown in Figure 4) gradually, and this stay cord that furls 40 also is neat and the neighbour twines and establishes because of the setting of these rotating shaft 20 bigger diameter ends 21.

More than be the explanation of each member of the laborsaving retracting device of the utility model curtain rope and associated location thereof, now can be described below this retracting device 100 with the curtain application of different developed areas again:

See also first application examples shown in Figure 5, this curtain is the narrower a kind of sun blind of the long width of length when launching, it is installed in single retracting device 100 pre-position of curtain upper ledge, and it is affixed with the lower frame of curtain bottom to make these stay cord 40 1 ends pass the open-work of upper ledge bottom surface central authorities (figure do not show) back, so draws this lower frame on this stay cord 40 and is the effect that can obtain to carry on the stable equilibrium when furling curtain; And this drag-line 33 (pelletron) is installed in a side of close curtain radical not hinder sight.

Please consult Fig. 6, second application examples shown in Figure 7 again, this curtain is to have the sun blind that broad hides face, two side places respectively are equiped with a retracting device 100 ' (100 ") about its upper ledge; in this application examples; the respectively slightly little change of this retracting device structure, and as shown in Figure 6, these retracting device 100 ' rotating shaft 101 1 ends that are positioned at the left side are not equipped with driving rotation mechanism 30; and be positioned at the retracting device 100 on right side " the part 102 of setting have a perforation 102a who axially runs through, all the other structures then do not change;

And one form the engaging section 103a of a hexagonal cross-section respectively for circular shaft and power transmission shaft 103 two ends with predetermined length, 103b, this power transmission shaft 103 is worn with its circular pin and is placed perforation 102a, its engaging section 103a is plugged among the hexagon hole clipping 101a of rotating shaft 101, its engaging section 103b this retracting device 100 of then pegging graft simultaneously " rotating shaft 104 and turbine (figure does not show); thus; when pulling is installed in this retracting device 100 " drag-line 105 (pelletron) time, being ordered about this rotating shaft 101 of these power transmission shaft 103 interlocks rotates synchronously with rotating shaft 104, it is related to make stay cord 106 (107) in each rotating shaft in furling or discharge speed unanimity when elongating, can be reposefully with the pull-up of curtain lower frame or put down.

More than two application examples be to utilize the weight of curtain lower frame and these blades to produce nature to hang down, taken advantage of a situation simultaneously and gently draw this drag-line can discharge stay cord, and elongate with the work stay cord and to make the curtain lower frame walk unhurriedly to put down and obtain the expansion sun face of certain area: otherwise, when stay cord furls, as preceding description, in this drag-line of pulling, it is more smooth and easy to help rotating shaft to furl stay cord with the deflection assistance force that turns to rotating shaft that the auxiliary tool of each retracting device (spring) will provide, so, extenuated pulling required active force during this drag-line, promptly its comparatively the labour-saving mode be that curtain folds use.

In addition, please consult the utility model retracting device second embodiment of Fig. 8 again, this retracting device 200 has and aforementioned first embodiment same structure and an identical load bearing seat 201, a rotating shaft 202, a stay cord 203 and the auxiliary tool 204 that the position is set, and is made up of a motor 206 and a switch 207 precisely because difference is in driving rotation mechanism 205;

Wherein, this motor 206 has a rotating axle 206a, and an end of this axle 206a one end and this rotating shaft 202 connects each other to be established, this rotating shaft 202 is rotated thereupon when axle 206a rotates, and this motor 206 is electrically connected with this switch 207 again, this switch 207 is located at the place that is available for users to conveniently press, it has one and rises and an indication button 207a who descends, 207b, by touch to go up or button down and for control these rotating shaft 202 generations just/reverse rotation, similarly, furl in the process of this stay cord 203 in rotating shaft 202, a deflection assistance force also is provided its auxiliary tool 204 and to help this rotating shaft 202 to furl more smooth and easy, and it can slow down the power termination of motor 206, more prolongs the elder 206 application lifes to impel motor.

Need to prove that the above person only is a preferable possible embodiments of the present utility model, change, ought to be included in the claim of the present utility model so use the equivalent structure that the utility model manual and claim do such as.

Claims

1. the laborsaving retracting device of curtain rope is installed in the curtain top, it is characterized in that, includes:

One load bearing seat, its two ends are respectively one first pivot portion and one second pivot portion, and a rope hole is positioned at this load bearing seat bottom surface one end;

One rotating shaft is a microscler cylindrical shell, and two ends of this rotating shaft are articulated in respectively in two pivot portions of this load bearing seat and turn;

One driving rotation mechanism is just producing/reverse rotation in order to drive this rotating shaft;

One stay cord, an end are consolidated in this curtain bottom, and the other end wears and connects this rotating shaft behind this rope hole, and this stay cord be subjected to this rotating shaft just/reverse rotation and for rolling up/putting;

One auxiliary tool, more smooth and easy in the time of can providing a deflection strength to furl stay cord to help this rotating shaft to rotate, be minimized the application of force load that drives the rotating shaft rotation and cause this driving rotation mechanism.

2. according to the laborsaving retracting device of the described curtain rope of claim 1, it is characterized in that, wherein first of this load bearing seat pivot portion has a projection, its second pivot portion is a perforation, and this rotating shaft inner hollow and one end tool one open end face make this projection can stretch in this rotating shaft, and this rotating shaft other end external diameter then just can penetrate in this perforation.

3. according to the laborsaving retracting device of the described curtain rope of claim 2, it is characterized in that wherein this auxiliary tool is that most circles twine the torque spring of establishing, this spring housing is located at this projection outside, and spring one end is fixed on this projection precalculated position, and the other end then is fixed in this rotating shaft inside.

4. according to the laborsaving retracting device of the described curtain rope of claim 2, it is characterized in that wherein this load bearing seat one end has a recessed groove of putting, this first pivot portion sets part by one and constitutes, and this is set part one end and is fixed in this recessed groove place other end of putting and then forms this projection.

5. according to the laborsaving retracting device of the described curtain rope of claim 1, it is characterized in that wherein the rope hole of this load bearing seat is near this first pivot portion, the position that this stay cord is connected with this rotating shaft is near this second pivot portion.

6. according to the laborsaving retracting device of the described curtain rope of claim 1, it is characterized in that wherein this rotating shaft has a bigger diameter end and a miner diameter end, this bigger diameter end is near this first pivot portion, and this miner diameter end is then near this second pivot portion.

7. according to the laborsaving retracting device of the described curtain rope of claim 1, it is characterized in that wherein this driving rotation mechanism has a runner and a drag-line, this runner is arranged in this rotating shaft one end, and sheathed this drag-line on this runner, but spurs this rotating shaft rotation of this drag-line interlock.

8. according to the laborsaving retracting device of the described curtain rope of claim 7, it is characterized in that wherein this driving rotation mechanism also includes one times of power assembly, this times power assembly is arranged between this rotating shaft and this runner.

9. according to the laborsaving retracting device of the described curtain rope of claim 8, it is characterized in that wherein this times power assembly includes a turbine and a scroll bar that is meshed, this turbine is coaxial affixed with this rotating shaft, and this scroll bar one end is then affixed with this runner.

10. according to the laborsaving retracting device of the described curtain rope of claim 9, it is characterized in that wherein this rotating shaft is passed this end of boring a hole and had one first hole clipping, this turbine has one second hole clipping, this each hole clipping is a non-circular hole, and insert respectively in this each hole clipping at power transmission shaft two ends is that transmission is used.

11. according to the laborsaving retracting device of the described curtain rope of claim 1, it is characterized in that wherein this driving rotation mechanism comprises a motor, this motor is subjected to switch control and drives this rotating shaft and just producing/reverse rotation.