CN101644123A - Rope traction mechanism and push-pull window with same - Google Patents
Rope traction mechanism and push-pull window with same Download PDFInfo
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- CN101644123A CN101644123A CN200910101921A CN200910101921A CN101644123A CN 101644123 A CN101644123 A CN 101644123A CN 200910101921 A CN200910101921 A CN 200910101921A CN 200910101921 A CN200910101921 A CN 200910101921A CN 101644123 A CN101644123 A CN 101644123A
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Abstract
The invention relates to a rope traction mechanism and a push-pull window using the rope traction mechanism, wherein the rope traction mechanism comprises a first tensioning wheel and a second tensioning wheel, a steering wheel and a rope. The outer peripheral wall of each tensioning wheel is provided with at least two annular grooves which are spaced from each other. The two tensioning wheels areadjacent to and spaced from each other in the same row. Rotating shafts of the tensioning wheels are parallel to each other. At least one tensioning wheel is driven by an externally-connected power to rotate. The steering wheel is away from the first and the second tensioning wheels. The rope enters a wire inlet end of the first tensioning wheel, starts from the steering wheel, extends past the first annular groove of the first tensioning wheel in a direction adjacent to the first tensioning wheel, and then goes past the first annular groove of the second tensioning wheel and finally back tothe second annular groove of the first tensioning wheel, thereby forming a complete winding circle. The winding of the rope continues, and then at least one subsequent winding circle is formed. Finally, the rope comes out of a wire outlet end of the first or the second tensioning wheel and is wound back to the steering wheel to be from head-end connection with the wire inlet end.
Description
Technical field
The present invention relates to a kind of cable traction mechanism and particularly relate to a kind ofly, and use the sliding sash that this cable traction mechanism is arranged with the cable traction mechanism of rope as traction power.
Background technology
In human lives, production, frictional force is ubiquitous.Frictional force can be divided into three kinds of force of sliding friction, stiction and force of rolling frictions by its character.Wherein, force of sliding friction equals dynamic friction factor and normal pressure multiplies each other, promptly
f＝u×N
Wherein, u is a dynamic friction factor, and N is a normal pressure; Wherein dynamic friction factor is by contact surface degree of roughness decision between two objects that interaction frictional force arranged.
Mechanics is told us, is entangled in the rope in the stake, and when sliding, frictional force can reach great degree.Rope around the number of turns many more, frictional force is also just big more.The rule that frictional force increases is: if the number of turns is added according to arithmetic series, frictional force is just according to geometric growth.18th century famous mathematician Euler, once determined frictional force with the relation between the number of turns of rope on the stake, Here it is famous Euler's formula:
F＝f×e
ka
In this formula, f represents our used power, the power that on behalf of us, F will resist.E represents constant 2.718 ... (end of natural logrithm), k represents the friction factor between rope and the stake.α represents the angle that rotates, and just the length of the arc of rope coiled is with the ratio of the radius of arc.
Above-mentioned Euler's formula often is applied in the cable traction mechanism, particularly be applied in the middle of some cable traction mechanisms that need drag the bigger external loading of weight, rope generally twines multi-turn, rope around the number of turns many more, frictional force is also just big more, and actual needed tractive force is also just more little.
Existing with the cable traction mechanism of rope as traction power, its structure generally can be divided into two types: in the first kind, rope adopts " open loop " structure in distraction procedure; In second class, rope adopts " closed loop " structure in distraction procedure.
In the cable traction mechanism of the first kind, rope adopts " open loop " structure to generally comprise two kinds:
First kind referring to shown in the accompanying drawing 10, one end of rope 201 is fixed on the reel 202, the free end of rope 201 is pulled out after twining several circles on the reel 202, can be used for dragging the hitch frame 203 of external loading on the free end of rope 201, reel 202 is in the effect rotation of external actuating unit 204, thus hitch frame 203 motions on the free end of drive rope 201; During this structure was usually used in similar " wheel well ", from accompanying drawing 10 as can be seen, reel 202 was constantly rotating in the process that drives hitch frame 203, and rope 201 constantly is wrapped on the reel 202, and reel 202 rotates a circle, and rope more than 201 twines a circle; The shortcoming of this cable traction mechanism is conspicuous, continuous rotation along with reel 202, the number of turns that rope twines on reel 202 is many more, the volume of reel 202 outsides also can be increasing, and needing the long rope of length, this structure is not suitable for amasss conditional the needs in the device of cable traction mechanism as traction power to the coiling wheel body.
In order to overcome the shortcoming of first kind of rope for the cable traction mechanism of " open loop " structure, the general second kind of cable traction mechanism that adopts as shown in Figure 11 of people, it adopts " open loop " structure in two accompanying drawings 10 to form similar " closed loop " structure, promptly an end of first section rope 201 is fixed on an end of reel 202, one end of second section rope 205 then is fixed on the other end of reel 202, first section rope 201 and second section rope 205 are respectively after twining several circles on the reel 202, the free end of the free end of first section rope 201 and second section rope 205 links together, and walk around on the take-up tail wheel 206, the hitch frame 203 that can be used for dragging external loading is fixed on the first section rope 201 or second section rope 205 between take-up tail wheel 206 and the reel 202.Reel 202 is in the effect of external actuating unit 204 rotation, does on reel 202 and twines or release movement thereby drive first section rope 201 and second section rope 205, and then drive hitch frame 203 motions; If two sections rope close together of this cable traction mechanism, knotting easily in winding process, two sections ropes are in case knotting, and whole cable traction mechanism just can not export traction power; And the number of turns that two sections ropes twine on reel is many more, and the volume of reel also can constantly increase, and is equally applicable to coiling wheel body long-pending conditional needs in the device of cable traction mechanism as traction power; Particularly importantly, owing to be used for dragging the hitch frame of external loading and be on first section rope being fixed between take-up tail wheel and the reel or the second section rope, and the direction of these two sections ropes frictional force in motion process be not all the time and the turning cylinder of reel keep forward tangent between axially, most time be can and the turning cylinder of reel have a deviation angle between axially, when particularly deflecting into the first section rope that is wrapped on the reel and all having discharged later position (shown in accompanying drawing 12); Perhaps deflect into when the second section rope that is wrapped on the reel is whole to have discharged later position (shown in accompanying drawing 13); Rope can significantly reduce because of this deviation angle the traction power of hitch frame; And skid easily between rope and the reel.
And in the cable traction mechanism of second class, rope adopts " closed loop " structure generally also to comprise two kinds:
First kind referring to shown in the accompanying drawing 14, rope 201 is wrapped on the reel 202 after a few, two free end head and the tail closures are connected into a zonula occludens mutually, thereby form " closed loop " structure, the rope 201 of sealing is walked around take-up tail wheel 206 again, also spiral groove can be set on reel 202 periphery walls, make things convenient for rope to twine; Reel 202 is by external actuating unit 204 driven rotary, and the hitch frame 203 that can be used for dragging external loading is fixed on the rope 201 between take-up tail wheel 206 and the reel 202; During work, external actuating unit drives the reel rotation, and reel drives the rope motion, and rope drives the hitch frame motion; Like this, the rope that is wrapped on the reel will certainly move up or down along the reel periphery wall, when cable traction mechanism in actual use, frictional force direction between rope and the reel be not all the time and the turning cylinder of reel keep forward tangent between axially, most time be can and the turning cylinder of reel have a deviation angle between axially, when particularly rope moves to position shown in accompanying drawing 15 or the accompanying drawing 16, the turning cylinder of frictional force and reel is not that forward is tangent between axially between rope and the reel periphery wall, but having a differential seat angle, this differential seat angle can make rope can thereby significantly reduce because of the former of this " differential seat angle " the traction power of hitch frame; In addition, this " differential seat angle " can cause added burden to rope itself, influences the application life of rope; Simultaneously, skid easily between rope and the reel.
Second kind referring to shown in the accompanying drawing 17, different with the cable traction mechanism of first kind of rope employing " closed loop " structure is, rope 201 can axially not move around up and down along reel 202 rotating shafts, but reel 202 itself can axially move up or down along rotating shaft under external actuating unit 204 drives; Its concrete structure is: reel 202 is hollow tubular structures, and is set in one and has outside the externally threaded rotating shaft 207, and rotating shaft 207 upper ends are fixed, and are shaped on the internal thread that cooperates with external screw thread in the rotating shaft 207 on the inwall of reel 202, shown in accompanying drawing 18; The rotating shaft output of reel 202 lower ends and external actuating unit 204 links, and external actuating unit 204 drives reel 202 rotations, and at this moment, reel 202 can move up or down along the external screw thread in the rotating shaft 207; The shortcoming of the cable traction mechanism of this structure also is conspicuous, and reel can move up or down along rotating shaft in the course of the work, and this just need install reel than large space; And can there be the same problem of cable traction mechanism that adopts " closed loop " structure with first kind of rope equally in frictional force between rope and the reel periphery wall.
Summary of the invention
First technical problem to be solved by this invention provide in a kind of course of work rope neither can be on reel along the reel rotating shaft axially move around, reel self can be along the cable traction mechanism that rotating shaft axially moves around yet, and can produce better tensile force between rope and the reel, be difficult for skidding.
Second technical problem to be solved by this invention provides a kind of sliding sash of using above-mentioned cable traction mechanism.
The present invention solves first technical scheme that above-mentioned first technical problem adopts: this cable traction mechanism is characterized in that including
First regulating wheel, its periphery wall are provided with at least two cannelures that are provided with at interval;
Second regulating wheel also is provided with at least two cannelures that are provided with at interval on its periphery wall; And the contiguous mutually interval side by side of described first, second regulating wheel is provided with and both shaft parallels, and one of them regulating wheel drives rotation by external power-driven mechanism;
Deflecting roller is away from described first regulating wheel and second regulating wheel;
Rope, its end of incoming cables that enters first regulating wheel is from described deflecting roller and with after walking around first cannelure of first regulating wheel near the direction of first regulating wheel, again to walk around first cannelure of second regulating wheel away from first regulating wheel, near the direction of second regulating wheel, then with away from second regulating wheel, near second cannelure of direction wraparound first regulating wheel of first regulating wheel, thereby form a complete pitch of the laps; Then, walk around the rope behind second cannelure of first regulating wheel, again with away from first regulating wheel, near the direction of second regulating wheel around second cannelure to second regulating wheel, and the like, form at least one follow-up pitch of the laps then; Rope finally lays out the leading-out terminal of first regulating wheel or second regulating wheel, behind the wraparound deflecting roller, constitutes the head and the tail closure with the end of incoming cables and links to each other again.
Adopt first regulating wheel and second regulating wheel that cannelure is set on the periphery wall to replace reel of the prior art, can fine assurance rope and two regulating wheels between tensile force, be difficult for skidding between rope and two regulating wheels, and rope neither can axially move around two regulating wheel upper edge rotating shafts, two regulating wheels can axially not move around along rotating shaft yet.
In order to adjust the direction of motion of external loading, this programme can also comprise at least one directive wheel, described rope is walked around described directive wheel, between described directive wheel and the described deflecting roller or between described directive wheel and described first regulating wheel or described directive wheel be used for being connected external external loading hitch frame with cord segment between described second regulating wheel.
Preferably, the periphery wall diameter of described second regulating wheel is less than the periphery wall diameter of described first regulating wheel.
And two regulating wheels when mounted, can allow described first regulating wheel and described second regulating wheel stagger a little and a bit place, thereby first cannelure on the first regulating wheel periphery wall is flushed with first cannelure of described second regulating wheel.
The present invention solves above-mentioned second first technical scheme that technical problem adopted: this cable traction mechanism is characterized in that including
First regulating wheel, its periphery wall are provided with at least two cannelures that are provided with at interval;
Second regulating wheel, its periphery wall is provided with at least one cannelure; And the contiguous mutually interval side by side of described first, second regulating wheel is provided with and both shaft parallels, and one of them regulating wheel drives rotation by external power-driven mechanism;
Deflecting roller is away from described first regulating wheel and second regulating wheel;
Rope, its end of incoming cables that enters first regulating wheel is from described deflecting roller and with after walking around first cannelure of first regulating wheel near the direction of first regulating wheel, again to walk around the cannelure on second regulating wheel away from the direction of first regulating wheel, close second regulating wheel, then with away from second regulating wheel, near second cannelure of direction wraparound first regulating wheel of first regulating wheel, thereby form a complete pitch of the laps; Then, walk around the rope behind second cannelure of first regulating wheel, lay out the leading-out terminal of first regulating wheel again with direction, again behind the wraparound deflecting roller, constitute with the end of incoming cables that head and the tail are closed to link to each other away from first regulating wheel.
Same, in order to adjust the direction of motion of external loading, this programme can also comprise at least one directive wheel, described rope is walked around described directive wheel, between described directive wheel and the described deflecting roller or between described directive wheel and described first regulating wheel or described directive wheel be used for being connected external external loading hitch frame with cord segment between described second regulating wheel.
The periphery wall diameter of described second regulating wheel is less than the periphery wall diameter of described first regulating wheel.
The present invention solves above-mentioned second technical scheme that technical problem adopted: use the sliding sash that above-mentioned cable traction mechanism is arranged, include window frame, the sash that can in window frame, move and be arranged on motor on the window frame, it is characterized in that: described motor is as one of them regulating wheel rotation of drive power source, be fixed with a hitch frame on the described sash, this hitch frame also is fixed on the described rope simultaneously.
As improvement, described window frame base is provided with slide rail, and described sash base is provided with the roller that can roll on this slide rail.
Compared with prior art, the invention has the advantages that: adopt first regulating wheel and second regulating wheel that cannelure is set on the periphery wall to replace reel of the prior art, can guarantee that rope neither can axially move around two regulating wheel upper edge rotating shafts, two regulating wheels can axially not move around along rotating shaft yet simultaneously; And can keep tensile force preferably between rope and two regulating wheels, be difficult for skidding between rope and two regulating wheels.
Description of drawings
Fig. 1 is the structural representation of first regulating wheel and second regulating wheel in the embodiment of the invention;
Fig. 2 is the structural representation of cable traction mechanism for implementing example one of the present invention;
Fig. 3 is the connection layout one of cable traction mechanism and external actuating unit in the motor and the embodiment of the invention one;
Fig. 4 is the connection layout two of cable traction mechanism and external actuating unit in the motor and the embodiment of the invention;
Fig. 5 is the assembling drawing of cable traction mechanism in actual application in the embodiment of the invention one;
Fig. 6 is the structural representation of cable traction mechanism for implementing example two of the present invention;
Fig. 7 is applied in plane structure chart in the sliding sash for cable traction mechanism in the embodiment of the invention one;
Fig. 8 is applied in three-dimensional structure diagram one in the sliding sash for cable traction mechanism in the embodiment of the invention one;
Fig. 9 is applied in three-dimensional structure diagram two in the sliding sash for cable traction mechanism in the embodiment of the invention one;
Figure 10 is the structural representation that rope adopts first kind of cable traction mechanism of " open loop " structure in the prior art;
Figure 11 is the structural representation that rope adopts second kind of cable traction mechanism of " open loop " structure in the prior art;
Figure 12 is the structural representation of cable traction mechanism after first section rope all discharged among Figure 11;
Figure 13 is the structural representation of cable traction mechanism after second section rope all discharged among Figure 11;
Figure 14 is the structural representation that rope adopts first kind of cable traction mechanism of " closed loop " structure in the prior art;
Figure 15 moves to the structural representation of reel bottom back cable traction mechanism for rope among Figure 14;
Figure 16 moves to the structural representation of cable traction mechanism behind the reel top for rope among Figure 14;
Figure 17 is the structural representation that rope adopts second kind of cable traction mechanism of " closed loop " structure in the prior art;
Figure 18 is the sectional view that rope adopts second kind of cable traction mechanism of " closed loop " structure in the prior art.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one:
Cable traction mechanism as illustrated in fig. 1 and 2, be to drive the external loading motion as traction power with rope, it includes first regulating wheel 1, second regulating wheel 2, rope 3, deflecting roller 4, wherein the periphery wall of first regulating wheel 1 is provided with on the periphery wall of five cannelure 11, the second regulating wheels 2 that are provided with at interval and also is provided with five cannelures 21 that are provided with at interval; And first regulating wheel 1 and the contiguous mutually interval side by side of second regulating wheel 2 are provided with and both shaft parallels; Deflecting roller 4 then is provided with away from first regulating wheel 1 and second regulating wheel 2; And described rope 3 enters the end of incoming cables of first regulating wheel 1 from described deflecting roller 4 and with after walking around first cannelure of first regulating wheel 1 near the direction of first regulating wheel 1, again to walk around first cannelure of second regulating wheel 2 away from first regulating wheel 1, near the direction of second regulating wheel 2, then with away from second regulating wheel 2, near second cannelure of direction wraparound first regulating wheel 1 of first regulating wheel 1, thereby form a complete pitch of the laps; Then, walk around the rope 3 behind second cannelure of first regulating wheel 1, again with away from first regulating wheel 2, the direction of close second regulating wheel 2 is around second cannelure to second regulating wheel 2, walk around the rope 3 behind second cannelure of second regulating wheel 2, again with away from second regulating wheel 2, the 3rd cannelure of direction wraparound first regulating wheel 1 of close first regulating wheel 1, then, walk around the rope 3 behind the 3rd cannelure of first regulating wheel 1, again with away from first regulating wheel 1, the direction of close second regulating wheel 2 is around the 3rd cannelure to second regulating wheel 2, walk around the rope 3 behind the 3rd cannelure of second regulating wheel 2, again with away from second regulating wheel 2, the 4th cannelure of direction wraparound first regulating wheel 1 of close first regulating wheel 1, then, walk around the rope 3 behind the 4th cannelure of first regulating wheel 1, again with away from first 1 bearing up pulley, near the direction of second regulating wheel 2 around the 4th cannelure to second regulating wheel 2, thereby formed three follow-up pitch of the laps; Rope 3 finally lays out the leading-out terminal behind the 4th cannelure of second regulating wheel 2, again behind the wraparound deflecting roller 4, constitutes with the end of incoming cables that head and the tail are closed to link to each other.
The cannelure that is provided with at interval on the periphery wall on first regulating wheel 1 and second regulating wheel 2 can be for a plurality of, here first cannelure of first regulating wheel 1 refers to rope 3 and begins to be wrapped in first that cannelure on first regulating wheel from the end of incoming cables, rather than first regulating wheel first cannelure of number from top to bottom; For example be arranged at intervals with 12 cannelures on first regulating wheel, 1 periphery wall, rope can only twine the 5th～8 these 4 cannelures in 12 cannelures.The notion of first cannelure of the notion of first cannelure of second regulating wheel 2 and first regulating wheel 1 is similar.The pitch of the laps number of rope 3 on first regulating wheel 1, second regulating wheel 2 is at least 2 circles, and the pitch of the laps number is not defined as integer, also can be 2.5,3.2,4.8 or the like.
The profile of the pitch of the laps of rope 3 on first regulating wheel 1 and second regulating wheel 2 is approximately an ellipse in the present embodiment, but in actual use, also can coiled horizontal 8 fonts of the pitch of the laps of rope 3 on first regulating wheel 1 and second regulating wheel 2, during coiled horizontal stroke 8 fonts, can keep better tensile force between rope 3 and two regulating wheels, be difficult for more skidding.
In addition, cable traction of the present invention mechanism is in actual application, and the number of regulating wheel can be not limited to two, also can be three, four or a plurality of, as long as be provided with the cannelure that is provided with at interval on the periphery wall of a plurality of regulating wheels, and contiguous mutually the setting at interval side by side gets final product; And rope 3 after once order is twined on the periphery wall of a plurality of regulating wheels again around to deflecting roller, form at last and get final product closed linking to each other of head and the tail.
In two regulating wheels 1,2, one of them regulating wheel drives rotation by external power-driven mechanism; Here dual mode can be arranged:
In first kind of mode, first regulating wheel 1 is a driving wheel, connect with external power-driven mechanism driving, drive rotation at external power-driven mechanism, here external actuating unit is a motor 5, the rotary output axis of motor 5 can directly connect the rotation of drive first regulating wheel with first regulating wheel 1, referring to shown in Figure 3; And second regulating wheel 2 is a driven pulley, can drive rotation by first regulating wheel 1 under the drive of rope; Certain second regulating wheel 2 also can connect with first regulating wheel 1 by belt or chain, rotates in the drive of first regulating wheel 1; And here, can allow the periphery wall diameter of second regulating wheel 2 make more smaller than first regulating wheel, 1 periphery wall diameter, and two regulating wheels when mounted, first regulating wheel 1 and second regulating wheel 2 stagger a little in rotating shaft axially and a bit place, thereby first cannelure on first regulating wheel, 1 periphery wall is flushed with first cannelure on second regulating wheel, 2 periphery walls.
In the second way, the rotary output axis of motor 5 connects with an idler gear 6; And be provided with the gear 12,22 mutually meshing on first regulating wheel 1 and second regulating wheel 2 with idler gear 6, motor 5 drives idler gear 6 rotations like this, first regulating wheel 1 and second regulating wheel 2 that idler gear 6 drives both sides again rotate synchronously, referring to shown in Figure 4, at this moment, two regulating wheels are driving wheel.
Deflecting roller 4 then can be used for being connected external external loading hitch frame 7 with cord segment between second regulating wheel 2.The cable traction mechanism of present embodiment can be fixing by an installing rack 8 when reality is used, referring to shown in Figure 5.Can be applicable to electronic folding curtain rail, electronic camber warp rail, electric sunshading curtain, electronic ceiling curtain, electronic stage curtain, electronic roman shade or the like.
Embodiment two:
Different with embodiment one is, the present invention at least also comprises a directive wheel 9, directive wheel 9 is equally away from two regulating wheel settings, the rope of sealing need be walked around directive wheel 9 equally, like this, directive wheel 9 is used for being connected external external loading hitch frame 7 with cord segment between the deflecting roller 4, and directive wheel 9 also is used for being connected external external loading hitch frame with cord segment between described second regulating wheel 2, referring to shown in Figure 6.Like this, just be free to adjust the direction of motion of external loading.
Embodiment three:
Different with embodiment one is that rope is that 1 circle or 1 encloses between 2 circles at the pitch of the laps number on first regulating wheel and second regulating wheel, as 1.5 circles.And the cannelure on the second regulating wheel periphery wall can have only one, also can be for a plurality of, but rope only twines once on second regulating wheel, its concrete canoe is: the end of incoming cables that rope enters first regulating wheel is come and with after walking around first cannelure of first regulating wheel near the direction of first regulating wheel from described deflecting roller, again with away from first regulating wheel, the direction of close second regulating wheel is walked around the cannelure on second regulating wheel, then with away from second regulating wheel, second cannelure of direction wraparound first regulating wheel of close first regulating wheel, thus a complete pitch of the laps formed; Then, walk around the rope behind second cannelure of first regulating wheel, lay out the leading-out terminal of first regulating wheel again with direction, again behind the wraparound deflecting roller, constitute with the end of incoming cables that head and the tail are closed to link to each other away from first regulating wheel.
It is not in the very large pulling equipment that present embodiment can be applied in some tractive force that are carried on the rope.
Fig. 7,8,9 have provided concrete an application of cable traction mechanism in the embodiment of the invention, it is applied on the sliding sash, this sliding sash comprises window frame 101, the sash 102 that can in window frame 101, move and be arranged on motor 103 on the window frame 101, cable traction mechanism is fixed on window frame 101 tops, motor 103 rotates as one of them regulating wheel of drive power source (1 and/or 2), the described hitch frame 7 of sash 102 upper fixed, this hitch frame 7 also is fixed on the rope 3 simultaneously, window frame 101 bases are provided with slide rail 104, sash 102 bases are provided with the roller 105 that can roll on this slide rail 104, the weight of sash 102 can be carried on the track 104 of window frame downside by roller 105, and slide rail 104 and roller 105 have been formed the slip support mechanism of sliding window sash 102 jointly.
By above-mentioned sliding sash embodiment, cable traction provided by the invention mechanism can be only as the parts that produce traction power when using, and for the king-sized external loading of weight, rope among the present invention should not be as promoting or hanging external loading, and external loading can design support mechanism separately and come load-bearing.
And for the lighter external loading of some weight, curtain for example, cable traction provided by the invention mechanism not only can also be used for the load-bearing to casement itself as producing traction power when using, promptly in concrete practical process, casement directly can be suspended on the hitch frame.
Claims (8)
1, a kind of cable traction mechanism is characterized in that including
First regulating wheel, its periphery wall are provided with at least two cannelures that are provided with at interval;
Second regulating wheel also is provided with at least two cannelures that are provided with at interval on its periphery wall; And the contiguous mutually interval side by side of described first, second regulating wheel is provided with and both shaft parallels, and one of them regulating wheel drives rotation by external power-driven mechanism;
Deflecting roller is away from described first regulating wheel and second regulating wheel;
Rope, its end of incoming cables that enters first regulating wheel is from described deflecting roller and with after walking around first cannelure of first regulating wheel near the direction of first regulating wheel, again to walk around first cannelure of second regulating wheel away from first regulating wheel, near the direction of second regulating wheel, then with away from second regulating wheel, near second cannelure of direction wraparound first regulating wheel of first regulating wheel, thereby form a complete pitch of the laps; Then, walk around the rope behind second cannelure of first regulating wheel, again with away from first regulating wheel, near the direction of second regulating wheel around second cannelure to second regulating wheel, and the like, form at least one follow-up pitch of the laps then; Rope finally lays out the leading-out terminal of first regulating wheel or second regulating wheel, behind the wraparound deflecting roller, constitutes the head and the tail closure with the end of incoming cables and links to each other again.
2, cable traction according to claim 1 mechanism, it is characterized in that: also comprise at least one directive wheel, described rope is walked around described directive wheel, between described directive wheel and the described deflecting roller or between described directive wheel and described first regulating wheel or described directive wheel be used for being connected external external loading hitch frame with cord segment between described second regulating wheel.
3, cable traction according to claim 1 and 2 mechanism, it is characterized in that: the periphery wall diameter of described second regulating wheel is less than the periphery wall diameter of described first regulating wheel.
4, a kind of cable traction mechanism is characterized in that including
First regulating wheel, its periphery wall are provided with at least two cannelures that are provided with at interval;
Second regulating wheel, its periphery wall is provided with at least one cannelure; And the contiguous mutually interval side by side of described first, second regulating wheel is provided with and both shaft parallels, and one of them regulating wheel drives rotation by external power-driven mechanism;
Deflecting roller is away from described first regulating wheel and second regulating wheel;
Rope, its end of incoming cables that enters first regulating wheel is from described deflecting roller and with after walking around first cannelure of first regulating wheel near the direction of first regulating wheel, again to walk around the cannelure on second regulating wheel away from the direction of first regulating wheel, close second regulating wheel, then with away from second regulating wheel, near second cannelure of direction wraparound first regulating wheel of first regulating wheel, thereby form a complete pitch of the laps; Then, walk around the rope behind second cannelure of first regulating wheel, lay out the leading-out terminal of first regulating wheel again with direction, again behind the wraparound deflecting roller, constitute with the end of incoming cables that head and the tail are closed to link to each other away from first regulating wheel.
5, cable traction according to claim 4 mechanism, it is characterized in that: also comprise at least one directive wheel, described rope is walked around described directive wheel, between described directive wheel and the described deflecting roller or between described directive wheel and described first regulating wheel or described directive wheel be used for being connected external external loading hitch frame with cord segment between described second regulating wheel.
6, according to claim 4 or 5 described cable traction mechanisms, it is characterized in that: the periphery wall diameter of described second regulating wheel is less than the periphery wall diameter of described first regulating wheel.
7, a kind of application has the sliding sash of cable traction mechanism according to claim 1, include window frame, the sash that can in window frame, move and be arranged on motor on the window frame, it is characterized in that: described motor is as one of them regulating wheel rotation of drive power source, be fixed with a hitch frame on the described sash, this hitch frame also is fixed on the described rope simultaneously.
8, the window haulage gear that pushes away according to claim 7, it is characterized in that: described window frame base is provided with slide rail, and described sash base is provided with the roller that can roll on this slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101019216A CN101644123B (en) | 2009-08-19 | 2009-08-19 | Rope traction mechanism and push-pull window with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101019216A CN101644123B (en) | 2009-08-19 | 2009-08-19 | Rope traction mechanism and push-pull window with same |
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| Publication Number | Publication Date |
|---|---|
| CN101644123A true CN101644123A (en) | 2010-02-10 |
| CN101644123B CN101644123B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101019216A Expired - Fee Related CN101644123B (en) | 2009-08-19 | 2009-08-19 | Rope traction mechanism and push-pull window with same |
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| CN (1) | CN101644123B (en) |
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| CN104455247A (en) * | 2014-11-28 | 2015-03-25 | 谢兴宝 | Pull type rope drive device and application of pull type rope drive device in automatic flag raising and lowering system |
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