CN2267310Y - Pushing and drawing type roller door - Google Patents

Abstract

The utility model relates to a pushing and drawing type roller door of which the drive mechanism comprises a power reversing device. The main body of the utility model is a pair of ratchet wheels which are arranged reversely, and the ratchet wheels are respectively shifted to rotate by a drive frame which is fixedly connected with a drive shaft. When a ratchet wheel transfers power, the other ratchet wheel has idle rotation. The drive mechanism also comprises one to two sets of braking devices which respectively carry out brake for a chain wheel driven by two ratchet wheels. The utility model takes the way of double chain wheels driving a curtain plate, and the utility model is suitable to be a movable separator in a building hall and a movable barrier at a wider doorway orifice, and the utility model is especially suitable to be made into a double-rail cross no lower guide rail sliding lateral roller door with fireproof function and theftproof function, and the utility model can also be made into a horizontal pushing and drawing roller door.

Description

Rolling door is moved in push-and-pull

The utility model relates to the movable barrier of building door opening, rolling door is moved in a kind of specifically push-and-pull, be suitable as the movable separator in building hall and the movable barrier at extra wide gateway hole, be particularly suitable for making the horizontal mobile rolling door or the horizontal rolling door of fire-proof function or anti-theft feature.

Existing building is commercial building particularly, the entrance hall is built bigger and bigger, originally widely used vertical direction rolling door can not satisfy the shielding requirements in its extra wide entrance hall, horizontal mobile roller shutter or side rolling door are the products under this demand, the complex structure that prior art has, it is bigger that the ground degree of depth is sunk in the requirement that has, incompatible with the structure that the building floor is thin.Though what have is simple in structure, the structure stress situation is poor, can not realize the requirement of covering at the big hole of wide cut.

The purpose of this utility model provides a kind of horizontal push-and-pull that has improved and moves the roller shutter door structure, makes it simple in structure, reliable, and operation banner width is bigger, and can move under uneasiness loads the state of guide rail.

The purpose of this utility model is achieved in that

Rolling door is moved in a kind of push-and-pull, mainly is made up of curtain plate, reel, drive unit, transmission mechanism etc., it is characterized in that:

Comprise a power reversing arrangement in the transmission mechanism, this device main body is the ratchet of a pair of reverse setting, between this two ratchet across the transmission framework that is connected in key on the power transmission shaft, be placed in the two ends of power transmission shaft, on the multidiameter neck of two ratchets, be with support plate free to rotate, there is circular hole the appropriate location of this board plane, adorning rotating shaft in it, a unidirectional ratchet respectively is equipped with at these rotating shaft two ends, its position respectively aligns the ratchet of a ratchet, the direction of two ratchets in the same rotating shaft is opposite, the ratchet tooth of the ratchet that it points to and is aligned is to corresponding, between this two ratchet, have and dial to packaged in same rotating shaft, described two ratchets reach to dial all fixedlys connected with rotating shaft to piece, its relative position is: in neutral, the ratchet cylindrical of two ratchet ratchets pairing with it is tangent and non-intersect, the cross central line of dialling to piece is positioned on the angular bisector of two detent positions angles, and axle center by power transmission shaft, dial and outwards to refer to the long edge of piece normal, group to the rotation space of piece in the cavity of transmission framework, on the axle journal of two ratchets, respectively be fixed with a sprocket wheel, this two sprocket wheel is connected with drive sprocket on the driving shaft with spool shaft respectively.

The check mechanism system of described transmission mechanism is made of braked wheel and band brake band, one to two group of braked wheel is fixedly mounted on respectively on the axle journal of two reverse ratchets, this band brake band one end is connected in support by hinge, and end is connected by the spring pull bar and can regulate degree of tightness in addition.

The utility model has following actively useful effect:

1, can make fabric width and surpass the above traversing side roller shutter door of 30m, fill up the defective that existing vertical rolling door can not be applicable to roomy gateway hole.

2, can make horizontal push-and-pull rolling door, be used for covering, satisfy fire prevention, antitheft special-purpose such as the activity envelope at the portable shielding of electronic escalator and floor level hole.

3, that can be made into upper and lower double track or have only upper rail and do not have the traversing side roller shutter door of lower guideway, be fit to be installed on the floor that various buildings place comprises highrise building.

4, can be applicable to line slideway and curvilinear guide.

5, sound construction, reliable.

Now reaching embodiment in conjunction with the accompanying drawings is described further.

Fig. 1 is the structural representation of a kind of embodiment of the utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the structure sectional view of the utility model power reversing arrangement.

The same Fig. 3 of Fig. 4 is another embodiment.

Fig. 5 is the A-A parting view of Fig. 3 and Fig. 4.

Fig. 6 to Fig. 8 is two kinds of embodiment of support plate.

Fig. 9, Figure 10 are the schematic diagram that turns to of ratchet.

Figure 11, Figure 12 are braked wheel brake ribbon installation position schematic diagram.Figure 11 is the ratchet of corresponding figures 9, the ratchet that Figure 12 is corresponding Figure 10.

Figure 13 is the driving-chain structure that is connected on the curtain plate.

Figure 14 is the lateral view of Figure 13.

Embodiment schematic diagram when Figure 15 is power reversing arrangement horizontal positioned.

Push-and-pull of the present utility model is moved rolling door by curtain plate 1, reel 2, drive unit 3, transmission mechanism 4, guide rail 5, compositions such as frame 6 are seen Fig. 1, Fig. 2, this figure is that drive unit 3 adopts, following double-stranded wheel promotes the curtain plate mode of advancing, in its transmission mechanism, comprise a power reversing arrangement 7 and see Fig. 3, Fig. 4, this device main body is the ratchet 8 and 9 of a pair of reverse setting, between across the transmission framework 12 that is connected in key 10 on the power transmission shaft 11, be placed in the two ends of power transmission shaft 11, at two ratchets 8, be with support plate free to rotate 13 on 9 the multidiameter neck, 14, there is circular hole the appropriate location of this board plane, adorning rotating shaft 15 in it, a unidirectional ratchet 16 respectively is equipped with at these rotating shaft 15 two ends, 17, its position respectively aligns the ratchet of a ratchet, the direction of two ratchets in the same rotating shaft is opposite, the ratchet tooth of the ratchet that it points to and is aligned is to corresponding, between this two ratchet, have to dial and be loaded in the same rotating shaft to piece 20, described ratchet 16,17 all use pin or key 21 to fixedly connected with rotating shaft 15 with dialling to piece 20, its relative position is: in the position that two ratchets all dally, two ratchets 16,17 is tangent but non-intersect with the ratchet excircle of its ratchet that is aligned respectively, dial this moment on the angular bisector that cross central line 22 to piece 20 is positioned at two detent positions angles and the axle center by power transmission shaft 11, dial to the long limit 23 of piece 20 and outwards refer to along normal, its rotation space is in the cavity 24 of transmission framework 12, described rotating shaft 15, ratchet 16,17, dial and have two groups to piece 20, (adding 0 in the accompanying drawings behind the numerical digit of the identical parts of another group is 150,160,170,200 etc.), be symmetricly set in ratchet 8,9 both sides.Described support plate 13,14 can be made conjoined structure so that two groups of rotating shafts 15 to be installed simultaneously, 150 see Fig. 6, in preferred embodiment, in order to guarantee two groups of ratchets 16,160 and 17,170 power transmissions simultaneously, support plate is made the branch body structure see Fig. 7, Fig. 8, support plate 13,14 is used for supporting shaft 15 among the figure, and support plate 130,140 is in order to supporting shaft 150, they all are sleeved on the axle journal of ratchet 8,9, and link formation triangle three-dimensional bracket structure to increase its rigidity with connecting rod 25,250 respectively.

On the multidiameter neck of two ratchets 8,9, respectively be fixed with a sprocket wheel 26,27, be connected with sprocket wheel 30,31 on the driving shaft 29 of the spool shaft 28 of reel 2 and drive unit 3 respectively, see Fig. 1.

When power transmission shaft 11 is subjected to motor---reductor drives and when just changeing, (in Fig. 4 hypothesis clockwise direction for just), transmission framework 12 promotes to dial the teeth groove 19 that also makes ratchet 17,170 enter thumb wheel 9 simultaneously to piece 20 rotations and sees Fig. 9, thereby 9 rotations of promotion ratchet become drive unit 3 by sprocket wheel 27,31 initiatively sees Fig. 2, promote curtain plate 1 outwards advance (closing door), this moment, the teeth groove (seeing the dotted line position among Fig. 9) of ratchet 8 was left in ratchet 16 deflections, and made ratchet 8, sprocket wheel 26,30 and spool shaft 28 all be in free idling conditions (numbering is referring to Fig. 2).Otherwise, (turning to counterclockwise among Figure 10) transmission framework 12 promotes to dial to piece 20 and rotates and the teeth groove 18 that makes ratchet 16,160 enter ratchet 8 is simultaneously seen Figure 10 when power transmission shaft 11 counter-rotating, thereby promote ratchet 8 rotations and make 28 one-tenth active rotation of spool shaft by sprocket wheel 26,30 transmissions, with curtain plate 1 rolling on the pallet 32 of reel 2 (opening the door), ratchet 17,170 deflections were left the teeth groove of ratchet 9 and were made ratchet 9 this moment, sprocket wheel 27,31, live axle 29 all is in free idling conditions (numbering is seen Fig. 2).

The teeth groove of described ratchet 8,9 is depicted as ratchet-shaped in the accompanying drawing, also can be made into arc groove or conjugate curves profile of tooth etc. during enforcement, but the ratchet shape also should be correspondingly.

In transmission mechanism 4, also contain one to two group of rotational brake, this check mechanism respectively with two ratchets 8, the sprocket wheel of installing on 9 26,27 or sprocket wheel 30,31 or spool shaft 28, driving shaft 29 links mutually, respectively to reel 2, drive unit 3 freely rotated appropriate braking action, the brake block that described check mechanism can use spring to exert pressure is pressed in the card of above-mentioned sprocket wheel, (not showing on the figure), in most preferred embodiment, described check mechanism is by two groups of braked wheels 32,33 (see figure 3)s and band brake band 36,37 (see Figure 11, Figure 12) constitute, braked wheel 32,33 are contained in the ratchet 8 of power reversing arrangement 7 respectively, on 9 the axle journal, with key 34,35 respectively with sprocket wheel 26,27 and ratchet 8,9 connect, be wound in the brake ribbon 36 on the braked wheel cylindrical, an end of 37 is by hinge 38,39 are connected to frame, end is by spring pull bar 40 in addition, 41, compression spring 42,43 connect and can regulate degree of tightness, the installation position of this pull bar and spring is: when this ratchet has the initiative state, spring pull bar compression spring and make that brake ribbon is elongated to be loosened, Fig. 9 shows ratchet 9 active rotation, drive live axle 29 active rotation and make curtain plate 1 close door opening, this moment, Figure 11 was seen in its corresponding brake ribbon position, it reduces owing to brake band elongates to fluff along the braking moment that the black line arrow produces, help reducing power attenuation, when ratchet 9 rotates and when its live axle that drives 29 being become freely rotate along dotted arrow, the braking moment that brake band 37 produces can not freely rotate live axle 29 greatly fully, thereby curtain plate 1 is applied tensile force to guarantee that curtain plate 1 obtains tighter rolling on reel 2, Figure 10 Figure 12 shows that ratchet 8 initiatively and the orientation that spool shaft 28 has the initiative and rotates, little along solid arrow direction braking moment, to reduce power loss, big along dotted arrow direction braking moment, freedom is loose when preventing that curtain plate 1 from unreeling, and its principle is the same to be repeated no more.

Fig. 4 is the embodiment that one group of check mechanism only is set, and this check mechanism should be arranged on the ratchet of drive drum, and in this embodiment, the drive sprocket that one of ratchet will be fixed on this ratchet with duplex bearing supported stretching out from tank bracket is loaded on outside the framework.

Among Fig. 3 Fig. 4, lower end sprocket wheel 44 is used for and motor---and the output sprocket wheel 46 of reductor 45 is connected, (mark is arranged in Figure 15).

Power reversing arrangement 7 of the present utility model both can vertically be placed as Fig. 3, Fig. 4 during use, but also horizontal positioned, as Figure 15.

Fig. 1 is the mode that double-stranded wheel promotes the curtain plate operation, its driving mechanism respectively has a drive sprocket 47 and 470 for the upper and lower end at driving shaft 29, that the upper and lower end of the curtain plate 1 that matches with it is equipped with is outer, inner plate 48,49 and roller 50, on the carrier bar of upper end and directive wheel 51 is housed, change gear 52 is seen Figure 13, Figure 14.The technical solution of the utility model both had been applicable to curtain plate, also was applicable to the grid bar, and in implementation process, the roller 50 and the directive wheel 51 that are linked to the drive link on curtain plate or the grid bar can be isodiametric and unite two into one.For less curtain plate of pitch or grid bar, the utility model has adopted bigger directive wheel of diameter and less roller and the directive wheel 51 of diameter to be provided with at interval in inner plate as Figure 13, can also (not showing on the figure) be set to reduce the probability that larger-diameter directive wheel is answered back to mutually when curtain plate is wound on the spool shaft in upper and lower staggered interval in inner plate.

But the axis of described power reversing arrangement 7 is horizontal positioned also, Figure 15 is the embodiment schematic diagram, promote the mode of curtain plate operation corresponding to the two strands wheel of earlier figures 1 embodiment one, a route of its transmission of power is to pass to curtain plate spool shaft 28 through sprocket wheel 26,30 and bevel gear 53,54, and driving shaft 29 rotates freely.Another of transmission of power route is to pass to driving shaft 29 through sprocket wheel 27,31 and bevel gear 55,56, and curtain plate spool shaft 28 rotates freely.During enforcement, the sprocket wheel 26,30 and 27,31 among Figure 15 also can be used gear instead.

If with the curtain plate horizontal positioned, and left and right guide rail is set, the utility model just can be changed a social system and be horizontal sliding door, is used for the horizontal rolling door as the movable barrier and the escalator at horizontal hole on the building floor, its structure need only be considered as elevation with Fig. 2, and Fig. 1 is considered as vertical view and just can finds out.

Claims (2)

1, rolling door is moved in a kind of push-and-pull, mainly is made up of curtain plate, reel, drive unit, transmission mechanism etc., it is characterized in that:

Comprise a power reversing arrangement in the transmission mechanism, this device main body is the ratchet of a pair of reverse setting, between this two ratchet across the transmission framework that is connected in key on the power transmission shaft, be placed in the two ends of power transmission shaft, on the multidiameter neck of two ratchets, be with support plate free to rotate, there is circular hole the appropriate location of this board plane, adorning rotating shaft in it, a unidirectional ratchet respectively is equipped with at these rotating shaft two ends, its position respectively aligns the ratchet of a ratchet, the direction of two ratchets in the same rotating shaft is opposite, the ratchet tooth of the ratchet that it points to and is aligned is to corresponding, between this two ratchet, have and dial to packaged in same rotating shaft, described two ratchets reach to dial all fixedlys connected with rotating shaft to piece, its relative position is: in neutral, the ratchet cylindrical of two ratchet ratchets pairing with it is tangent and non-intersect, the cross central line of dialling to piece is positioned on the angular bisector of two detent positions angles, and axle center by power transmission shaft, dial and outwards to refer to the long edge of piece normal, group to the rotation space of piece in the cavity of transmission framework, on the axle journal of two ratchets, respectively be fixed with a sprocket wheel, this two sprocket wheel is connected with drive sprocket on the driving shaft with spool shaft respectively.

2, rolling door is moved in push-and-pull as claimed in claim 1, it is characterized in that: the check mechanism system of described transmission mechanism is made of braked wheel and band brake band, one to two group of braked wheel is fixedly mounted on respectively on the axle journal of two reverse ratchets, this band brake band one end is connected in support by hinge, and end is connected by the spring pull bar and can regulate degree of tightness in addition.

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