CN1123671C - Door and window with moving shaft - Google Patents

Abstract

The present invention relates to a door or window with a movable shaft which is provided with a framework and a sash body, wherein a pair of side frames which are respectively provided with guide grooves are arranged in the framework. The present invention is characterized in that the movable shaft on the sash body is composed of a shaft sleeve, a spindle, a first gear and a second gear, wherein the shaft sleeve is arranged outside the spindle, and both ends of the spindle are exposed out of the shaft sleeve; the first gear and the second gear are respectively fixed on both ends of the spindle, and the pitch circle diameter of the first gear is equal to that of the second gear. A first toothed rack and a second toothed rack are respectively fixed on the inner side walls of the guide grooves which are arranged on the two side frames which are provided with the guide grooves; the first toothed rack and the second toothed rack are respectively meshed with the first gear and the second gear.

Description

A kind of door and window with shifting axle

The present invention relates to a kind of door and window.

Existing door and window is made of framework and fan body two parts usually, according to the difference of fan body, can be screen door window, glass door and window, metal Foldable door and window, roll-type window or door etc. with product classification.In addition, according to the opening ways of fan body, it can be divided into flat open (rotation) door and window and slide door or window again.With regard to slide door or window, its framework is provided with guide frame (guide rail or guide groove), and when guide frame was arranged on the left and right frame of framework, the mode of push-and-pull was vertical; When guide frame was arranged on the upper and lower frame of framework, the mode of push-and-pull was horizontal.In view of simple push-and-pull and flat-open door and window respectively have its quality, in order to maximize favourable factors and minimize unfavourable ones, now the someone has proposed sliding door and window scheme that push-and-pull, flat-open door and window are combined again, as No. 92208536.6 disclosed no window frame sliding horizontal-opening windows of Chinese patent, No. 94222448.5 disclosed sliding horizontal-opening windows of Chinese patent and No. 99205105.3 disclosed a kind of pulling casement multifunctional composite windows of Chinese patent etc.All has the shifting axle that matches with guide frame on the framework border, can move along this guide frame in two ends on the fan body of above-mentioned various sliding composite windows, by the motion of this shifting axle on frame, drive fan body and on frame, slide, realize the push-and-pull function of sash.In addition, the fan body of existing a kind of rolling screen window is made of draw bar, window screening and window screening reel, the two ends of window screening are individually fixed on draw bar and the window screening reel, by allowing draw bar or window screening reel in the guide frame of framework border, move, window screening can be launched or draws in (gathering of window screening can utilize usually the wind spring that resets of reel rotation is finished).The mandrel of draw bar that this screen window moves on frame or window screening reel also is a kind of shifting axle.In addition, the traction element (as the traction edge strip) that is positioned at the fan body edge of existing metal push-pull Foldable door and window and rewindable metal curtain door and window also is a kind of shifting axle that moves on parallel relative frame.For existing above-mentioned door and window with shifting axle, the problem of its existence is: when the guide frame of the two ends of shifting axle in left and right or upper and lower frame moves, the moving displacement at its two ends can not be guaranteed to equate, thereby cause shifting axle to tilt, and then cause the not smooth or whole fan body of shifting axle motion to tilt, influence result of use.Therefore, above-mentioned existing product exists defective.

The objective of the invention is the shifting axle structure of above-mentioned existing product is improved, a kind of door and window with shifting axle of guaranteeing that shifting axle does not tilt is provided.

Door and window of the present invention has framework and fan body, has a pair of parallel relative frame that is respectively arranged with gathering sill in the described framework, on fan body, has shifting axle, the gathering sill that is provided with on two frames of tape guide groove in the described framework is stretched at the two ends of this shifting axle respectively, it is characterized in that described shifting axle is by axle sleeve, axle, first gear and second gear constitute, described axle sleeve is placed on outside the axle, axle sleeve is exposed at the two ends of axle, described first gear and second gear are individually fixed in the two ends of axle, described first, the pitch diameter of second gear equates, the inside wall of the gathering sill that is provided with on two frames of described tape guide groove is fixed with first tooth bar and second tooth bar, described first respectively, second tooth bar is respectively with first, second gear is meshed.In the present invention, said framework can be common rectangular frame, but also can adopt the special-shaped framework (is the parallel framework in arc but upper and lower limit etc. as ladder-shaped frame or dual-side) of non-rectangle, as long as it has a pair of parallel relative frame that is respectively arranged with gathering sill.The parallel relative frame that is provided with gathering sill can be the upper and lower frame of framework, can also be left and right frame.When this parallel relative frame is upper and lower frame, the horizontal push-and-pull of fan body along continuous straight runs.When parallel relative frame was left and right frame, fan body is push-and-pull vertically.Under a kind of situation in back, fan body and shifting axle may be under action of gravity glide automatically, therefore the chocking construction that shifting axle or fan body are positioned should be set, as hook or friction chocking construction etc. in door and window.And under preceding a kind of situation, above-mentioned chocking construction then is not the structure that must be provided with (certainly, also can make the function of door and window more perfect if set up this chocking construction this moment).In addition, when parallel relative frame is upper and lower frame, the corresponding vertical setting of shifting axle, at this moment, can allow the upper end of shifting axle hang on the upper side frame, these two kinds of schemes the lower end of shifting axle are supported on the lower frame, or adopt this two kinds of schemes simultaneously, because all can make the weight of fan body supported.In addition, can also make the motion of shifting axle more smooth and easy at the roller that end setting reduces kinetic friction force that is supported of shifting axle.The axle sleeve that is placed on outside the axle can be the sleeve pipe form, can also be collar form.Similar with aforementioned existing product, fan body among the present invention can be the common rectangle glass or the fan body of screen door window, it also can be the fan body of rewindable metal curtain door and window or rolling screen window, can also be the fan body of common metal push-pull Foldable door and window, as long as it has the above-mentioned shifting axle that moves along the gathering sill of parallel relative frame.When actual fabrication, can allow the axle sleeve of this shifting axle be connected with all the other positions of fan body.When moving in the gathering sill that allows shifting axle at parallel relative frame (for the fan body of common rectangle glass or screen door window, promptly be to allow fan body obtain translation, for the rewindable metal curtain door and window, metal push-pull Foldable door and window and aforementioned by draw bar, the fan body of the rolling screen window that window screening and window screening reel constitute, promptly be to allow fan body obtain launching or receiving and fold), be fixed on first gear on the same axle, second gear rolls on first tooth bar that is engaged with and second tooth bar respectively, axle is corresponding rotates in axle sleeve, because first, the pitch diameter of second gear equates and coaxial fixing (corner that is the two equates all the time), therefore the moving displacement of the two equates, thereby the moving displacement that has guaranteed the shifting axle two ends is equal, has guaranteed that shifting axle is not offset at the volley.In said process, shifting axle guarantees the good engagement of gear, tooth bar by accepting the horizontal restrain of frame gathering sill to it.Certainly, in order to reduce the kinetic friction force between shifting axle and the frame gathering sill sidewall, can also be nested with roller respectively at the two ends of axle, match in the gathering sill that allows the roller set up lay respectively to be provided with on two frames of described tape guide groove and with the place gathering sill.Like this, when shifting axle moved, the roller that is placed on the axle two ends will reduce kinetic friction force respectively along the inside wall rolling of place gathering sill.Simultaneously, frictional resistance when relatively rotating in order to reduce axle sleeve and axle can also be provided with bearing between axle sleeve and axle, utilize this bearing with sleeve supporting on axle, set bearing then both can be a rolling bearing, can be again sliding bearing or similar structures.Among the present invention, the axle in the shifting axle can be a solid form, can also be hollow form, can also be the multistage combining form.

Door and window with shifting axle of the present invention is compared with aforementioned like product, can guarantee that the displacement at shifting axle two ends in moving process of fan body equates, has correspondingly guaranteed shifting axle and not run-off the straight of fan body, and shifting axle can parallelly swimmingly be moved.In addition, because therefore the axle sleeve of shifting axle can, when it is applied in the aforementioned sliding door and window, just can allow the structure of door and window obtain changing more flexibly neatly with respect to the axle rotation, make the performance of door and window more perfect.

Below can do further explanation as embodiments of the invention to content of the present invention by windows with regard to a kind of rotation push-and-pull two, but content of the present invention is not limited only to content related among this embodiment.

Fig. 1 is the front view when rotation push-and-pull two energy windows are in closed condition among the embodiment.

Fig. 2 is the A-A profile of Fig. 1.

Fig. 3 is the B-B profile (axle sleeve and rectangle covering of the fan are in straight connection status) of Fig. 1.

Fig. 4 is axle sleeve and the rectangle covering of the fan structural representation when being in the right angle connection status.

Fig. 5 is the C-C profile of Fig. 1.

Fig. 6 is the D-D cutaway view Amplified image of Fig. 1.

As Fig. 1, shown in Figure 2, rotation push-and-pull two in the present embodiment can belong to a kind of door and window with shifting axle by window, it has by frame 7,8,9,10 framework and the fan bodies 1 that constitute, 2,3,4, in framework, has a pair of gathering sill 5 that is respectively arranged with, 6 parallel relative frame 7,8, at fan body 1,2,3, has shifting axle on 4, the gathering sill 5 and 6 that is provided with on two frames of tape guide groove in the described framework is stretched at the two ends of this shifting axle respectively, this shifting axle is especially by axle sleeve 29, axle 24, first gear 12 and second gear 13 constitute, described axle sleeve 29 is placed on outside the axle 24, axle sleeve 29 is exposed at the two ends of axle 24, described first gear 12 and second gear 13 are individually fixed in the two ends of axle 24, described first, second gear 12,13 pitch diameter equates, the gathering sill 5 that is provided with on two frames of described tape guide groove, 6 inside wall is fixed with first tooth bar 22 and second tooth bar 23, described first respectively, second tooth bar 22,23 respectively with first, second gear 12,13 are meshed.In addition, for reducing the kinetic friction force between shifting axle and the gathering sill sidewall, first roller 14 and second roller 15 have been nested with in this example respectively at the two ends of axle, by the two supports of axle 24, first, second roller 14,15 lays respectively in the gathering sill 5,6 that is provided with on two frames of described tape guide groove and with the place gathering sill and matches respectively for described first roller 14 and second roller 15.Simultaneously, also between axle sleeve 29 and axle 24, be provided with rolling bearing 30 in this example.In the present embodiment two can window be a kind of rotation sliding sash that can the horizontal push-and-pull of along continuous straight runs, therefore two frames 8,9 of above-mentioned tape guide groove are respectively the upper side frame and the lower frame of framework, simultaneously, the axle 24 of shifting axle vertically is provided with on the above-mentioned fan body, first gear 12 and second gear 13 are fixed in the upper/lower terminal of axle 24, and first, second tooth bar 22,23 is individually fixed in the gathering sill 5,6 that is provided with on the upper and lower frame.In the present embodiment, axle sleeve 29 adopts the sleeve pipe form.Axle 24 is the multistage combining form, promptly is to be made of jointly central siphon 11 and minor axis handle 18,19, and minor axis handle 18,19 is connected by screw thread and lock-screw and central siphon 11, and this kind structure can be finely tuned the length of axle, and then the length of fine setting shifting axle.Simultaneously, for ease of making, directly minor axis handle 18,19 is made as one with first, second gear 12,13 respectively in this example.Corresponding, 14,15 on first, second roller is nested with respectively on minor axis handle 18,19, and can rotate around the minor axis handle.In the present invention, make when moving in the gathering sill 5,6 of shifting axle at parallel relative frame when promoting fan body, first gear 12, second gear 13 that are fixed on the same axle 24 roll on first tooth bar 22 that is engaged with and second tooth bar 23 respectively, axle 24 corresponding rotations in axle sleeve 29, because the pitch diameter of first, second gear 12,13 equates and coaxial fixing (corner that is the two equates all the time), so the two inevitable mobile phase same distance, thereby the moving displacement that has guaranteed the shifting axle two ends is equal, has guaranteed that shifting axle is not offset at the volley.In said process, first roller, 14,15 meetings of second roller that are placed on the axle 24 are rolled along the inside wall of place gathering sill 5,6 respectively, shifting axle promptly is to accept the horizontal restrain of frame gathering sill to it by first, second roller 14,15, guarantees the good engagement of gear, tooth bar.When actual fabrication, can allow first, second roller 14,15 cooperate slightly loosely with gathering sill 5,6 respectively, promptly allow the diameter of roller be slightly less than groove width, rotate better thereby be convenient to roller in when the wheel face of roller is contacted with a side of gathering sill and another side gap slightly.In the present embodiment, fan body is a horizontal push-pull type, and the heavy of fan body mainly supported by lower frame 8.In order to reduce the kinetic friction force of shifting axle lower end and lower frame, be provided with on the lower end surface of axle with lower frame on the contacted supporting rollern 16 of inner bottom surface of the gathering sill 6 that is provided with.The structure of supporting rollern can directly adopt existing universal wheel structure, but also can otherwise designed.Lower end surface central authorities in axle in this example are provided with the radial-thrust bearing chamber, the little ball 20 of one circle is housed in the chamber, be contained in chamber central authorities as the big ball of supporting rollern 16 and push down little ball 20, cover ring cover 21 again in case big ball is deviate from, but supporting rollern 16 any directions that this big ball serves as rotate.In this example, supporting rollern 16 is supported on the protruding rail 28 of gathering sill 6 inner bottom surfaces setting, and the reason of protruding rail 28 is set, the one, protruding rail has certain altitude with respect to the flange of rail, be difficult for depositing slag on it, the unlikely normal walking that influences supporting rollern, the 2nd, the motion of fan body is led by directive wheel with it.For the ease of shifting axle is located, and then fan body located, in this example also on top the inner bottom surface of the gathering sill 5 of frame be provided with the location tooth bar 36, end face is offered porose downwards in the upper end of axle 24, in this hole, be equipped with securing rod 17, the upper end of described securing rod 17 is relative with location tooth bar 36, and axle sleeve 29 is provided with securing rod and handles location structure.Employed securing rod manipulation location structure is made of dog screw 31, big slide block 32, trundle 33, small slide block 34 and top spring 35 in this example.When needs locking shifting axle, can upwards promote the dog screw 31 outside the axle sleeve 29, make it along moving on the chute of offering on the axle sleeve, the front end of dog screw 31 orders about on the big slide block 32 that is nested with outside axle 24 and moves, big slide block 32 moves on trundle 33 makes small slide block 34 in the axle again, and then compressing top spring 35 makes securing rod 17 up, and the front end of securing rod 17 is inserted in the backlash of location tooth bar 36, the screwed in place screw 31 again, with regard to the position of lockable shifting axle.When needs cancellation during to the locking of shifting axle, only need unscrew dog screw 31 and it is drop-down, the front end of securing rod 17 will withdraw from location tooth bar 36, the state that allows shifting axle return to move freely.The above-mentioned securing rod that is adopted in the present embodiment is handled location structure and also can be replaced by other similar latch-up structure.For example, the drive mechanism that is made of big slide block 32, trundle 33, small slide block 34 can be replaced by existing other drive mechanism, and top spring 35 can be replaced by spring-like such as extension spring or ring springs, and 31 of dog screws can wait the similar structures replacement by buckling.In addition, the above-mentioned latch-up structure that is arranged on the shifting axle also can be replaced by the latch-up structure that is arranged between fan body and the framework, promptly realizes locking to shifting axle by the locking to fan body.

As shown in Figure 3, fan body 1 and fan body 3 in the present embodiment are the rectangle fan body, this rectangle fan body is made of jointly rectangle covering of the fan and shifting axle, one vertical edge 37 of described rectangle covering of the fan is hinged through the vertical pin of living that is provided with the axle sleeve 29 of shifting axle and (directly adopts commercially available loose-leaf that the two is hinged in this example, but also can use other similar structure instead), they can rotate around arris 38.In addition, between the hinged with it vertical edge 37 of the axle sleeve 29 of shifting axle and rectangle covering of the fan, also be provided with angle door bolt structure.Angle door bolt structure in the present embodiment is made of right angle door bolt bar 39, tubulose door bolt seat 40 and door bolt card 41, tubulose door bolt seat 40 and door bolt card 41 are individually fixed on described vertical edge 37 and the axle sleeve 29 mutually accordingly, forward and backward two sections form right angles of right angle door bolt bar 39, its leading portion are placed in the tubulose door bolt seat 40.By above-mentioned angle door bolt structure, the axle sleeve and the rectangle covering of the fan of shifting axle can be locked into two kinds of certain location states, promptly straight connection status and right angle connection status.When the leading portion of the right angle being fastened with a bolt or latch bar 39 is extracted certain-length in tubulose door bolt seat 40, and allow this leading portion snap in door bolt card 41 o'clock, just axle sleeve 29 and rectangle covering of the fan are locked into straight connection status (shown in Figure 3 be straight connection status).When the leading portion of the right angle being fastened with a bolt or latch bar 39 inserts tubulose door bolt seat 40 fully, and axle sleeve 29 is revolved turn 90 degrees, allow the back segment of right angle door bolt bar 39 snap in door bolt card 41 again, just axle sleeve 29 and rectangle covering of the fan are locked into the right angle connection status, as shown in Figure 4.Herein, promptly be to utilize axle sleeve 29 to have realized the conversion of axle sleeve 29 with respect to the performance of axle 24 rotations with rectangle covering of the fan lock-out state.

In the present embodiment, fan body 2 and fan body 4 also are the rectangle fan body, and different with fan body 1,3 is, in fan body 2,4, above-mentioned shifting axle has directly constituted a vertical edge of rectangle fan body, that is axle sleeve 29 directly served as a frame of rectangle fan body, as shown in Figure 5.But for fan body 1,3 and 2,4, when fan body rotarily opened, axle 24 all can be served as axis of rotation.

As shown in Figure 6, in the present embodiment, the cavity 43 that has lower ending opening in the bottom away from the vertical edge 42 of shifting axle of each rectangle covering of the fan, directive wheel 46 is housed in cavity 43, the wheel shaft of this directive wheel 46 has latch-up structure 45 by 44 supportings of axle bearing spare between the chamber wall of described axle bearing spare 44 and cavity.In this example, above-mentioned axle bearing spare 44 is for being placed on the slide cartridge within the cavity 43, and latch-up structure 45 is for being arranged at screw between this slide cartridge and the cavity chamber wall, and this screw 45 is sleeved in the chute of offering on the wall of cavity chamber.Handle screw 45, slide cartridge 44 and directive wheel 46 are stretched out or the lower ending opening of retraction cavity 43, and be locked in desired location.Certainly, the latch-up structure 45 of the axle bearing spare 44 of above-mentioned slide cartridge form and screw-type all can be replaced by other similar supporting member and locking piece simply.For example, the support strip that can adopt an end to be hinged on cavity chamber wall, other end supporting guide wheel shaft replaces above-mentioned supporting member 45, and the locking piece of forms such as buckling is set between this support strip and cavity chamber wall simultaneously.Buckle in the diverse location location by allowing, can put down or pull-up support strip (support strip is rotated with respect to its jointed shaft) folding and unfolding of corresponding realization directive wheel 46.Like this,, when its directive wheel 46 stretches out the lower ending opening of cavity 43 and insert in the gathering sill 6, then can allow directive wheel 46 and its shifting axle lower end all gathering sill 6 in, slide, that is fan body 2 and fan body 4 all can be along gathering sill 6 slips for fan body 2 and fan body 4.Certainly, for fan body 1 and fan body 3, when its directive wheel 46 stretches out the lower ending opening of cavity 43 and inserts in the gathering sill 6 equally, also can allow directive wheel 46 and its shifting axle lower end all in gathering sill 6, slide, that is the rectangle covering of the fan of fan body 1 and fan body 3 also can be the same as gathering sill 6 slips with fan body 4 with fan body 2.At this moment, the axle sleeve 29 of fan body 1 and fan body 3 should be locked into straight connection status shown in Figure 3 with the rectangle covering of the fan.

As shown in Figure 2, in the present embodiment for the ease of handle fan body with push-pull fashion, also be provided with the guide frame 25 that parallels with set gathering sill 6 on this frame on the lower frame 8 of framework, the distance of the center line of the center line of this guide frame 25 and described gathering sill 6 is greater than the maximum ga(u)ge of rectangle fan body.The size of guide frame 25 shown in size by suitably choosing axle sleeve shown in Fig. 4 29, Fig. 2 and apart from the distance of gathering sill 6, for fan body 1 and fan body 3, when its when axle sleeve 29 and rectangle covering of the fan are locked into the right angle connection status, can make directive wheel 46 relative with guide frame 25, then can make directive wheel 46 on guide frame 25 roll if allow directive wheel 46 stretch out the lower ending opening of cavity 43 this moment.At this moment, though the lower end of the shifting axle of fan body 1 and fan body 3 still with gathering sill 6 that guide frame 25 parallels in slide, fan body 1 and 3 rectangle covering of the fan then are to move along guide frame 25.In above-mentioned motion process, because the distance of the center line of guide frame 25 and the center line of gathering sill 6 greater than the maximum ga(u)ge of rectangle fan body, therefore can guarantee can not cause when fan body 1,3 moves to and fan body 2,4 is overlapping position between fan body wiping to bump.At this moment, fan body 1 and 3 rectangle covering of the fan move along guide frame 25, and 4 of fan body 2 and fan bodies can move along gathering sill 6, and the push-pull fashion of sash is then similar to existing double track sliding sash.In the present embodiment, guide frame 25 has adopted guide rail form, and is corresponding with it, offered the groove 26 that cooperates with it on directive wheel 46.But the guide frame 25 of this guide rail form also can adopt the form of gathering sill, and at this moment, 26 of grooves no longer need.

In the present embodiment, when a certain fan body of needs rotarily opens in the casement window mode, only need make the lower ending opening of the directive wheel 46 retraction cavitys 43 of this fan body, allow the fan body be that rotating shaft is rotated and got final product with separately axle 24.Because axle sleeve 29 can rotate flexibly with respect to axle 24, so the rotation of fan body will be very agile.After fan body rotarily opens, can utilize securing rod 17 that shifting axle is fixed, with existing fan body fixtures such as window fastener or window catches fan body is fixed again, repeat no more herein.Also on upper and lower frame 7,8, set up screen window guide groove 47,27 respectively in this example, in this screen window guide groove, the swing cover type rolling screen window that contains shifting axle of the present invention can be set.

In the present embodiment, because the displacement of two ends in moving process of the shifting axle of each fan body equates all the time, guaranteed that shifting axle is along upper and lower gathering sill 5,6 parallel moving, therefore, by axle 24 perpendicular to floor mounted framework and shifting axle, just can guarantee shifting axle all the time perpendicular to ground, and no matter which kind of state fan body is in.In addition, in this example, each fan body all can be only by the shifting axle supporting of controlling oneself, so each fan body also can carry out push-and-pull under the state of outwarding winding, fan body is moved with separately shifting axle, thereby makes the use of window more convenient.

Claims (5)

1, a kind of door and window with shifting axle, have framework and fan body, has a pair of parallel relative frame that is respectively arranged with gathering sill in the described framework, two frames of described tape guide groove are respectively the upper side frame and the lower frame of framework, on fan body, has shifting axle, the gathering sill that is provided with on two frames of tape guide groove in the described framework is stretched at the two ends of this shifting axle respectively, described shifting axle is by axle sleeve, axle, first gear and second gear constitute, the axle of described shifting axle vertically is provided with, described axle sleeve is placed on outside the axle, expose outside the axle sleeve at the two ends of axle, described first gear and second gear be individually fixed in axle on, following two ends, described first, the pitch diameter of second gear equates, the inside wall of the upper side frame of described framework and the gathering sill of lower frame is fixed with first tooth bar and second tooth bar respectively, described first, second tooth bar is respectively with first, second gear is meshed, described fan body is the rectangle fan body, it is characterized in that described rectangle fan body is made of jointly rectangle covering of the fan and shifting axle, one vertical edge of described rectangle covering of the fan and the axle sleeve of shifting axle are hinged through the vertical pin of living that is provided with, between the hinged with it vertical edge of the axle sleeve of described shifting axle and rectangle covering of the fan, be provided with by right angle door bolt bar, the angle door bolt structure that tubulose door bolt seat and door bolt card constitute, tubulose door bolt seat and the mutual correspondence of door bolt card are individually fixed on described vertical edge and the axle sleeve, before the right angle door bolt bar, the two sections form right angles in back, its leading portion are placed in the tubulose door bolt seat.

2, door and window as claimed in claim 1, it is characterized in that on top the inner bottom surface of the gathering sill of frame is provided with the location tooth bar, end face is offered porose downwards in the upper end of axle, in this hole, be equipped with securing rod, the upper end of described securing rod is relative with the location tooth bar, and axle sleeve is provided with securing rod and handles location structure.

3, door and window as claimed in claim 1, the lower end surface that it is characterized in that axle be provided with lower frame on the contacted supporting rollern of inner bottom surface of the gathering sill that is provided with.

4, door and window as claimed in claim 1 is characterized in that being equipped with first roller and second roller at the two ends of axle, and this first, second roller lays respectively in the gathering sill that is provided with on two frames of described tape guide groove and with the place gathering sill and matches.

5, as claim 1 or 2 or 3 or 4 described door and windows, it is characterized in that the bottom away from the vertical edge of shifting axle of rectangle fan body has the cavity of lower ending opening, in the described cavity directive wheel is housed, the wheel shaft of this directive wheel has latch-up structure by the supporting of axle bearing spare between the chamber wall of described axle bearing spare and cavity.

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