CN205547738U - It tachy sterols soon to adopt gets draw -bar box of climbing stair device - Google Patents
It tachy sterols soon to adopt gets draw -bar box of climbing stair device Download PDFInfo
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- CN205547738U CN205547738U CN201620375277.7U CN201620375277U CN205547738U CN 205547738 U CN205547738 U CN 205547738U CN 201620375277 U CN201620375277 U CN 201620375277U CN 205547738 U CN205547738 U CN 205547738U
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Abstract
The utility model discloses an it tachy sterols soon to adopt gets draw -bar box of climbing stair device loads onto fast on ordinary draw -bar box and climbs the stair device and make it have the stair of climbing function, can pull down fast equally to climb the stair device and make ordinary draw -bar box reconversion, and need not to do any transformation to ordinary draw -bar box, and the structure is very simple. During the use, will link firmly axis of rotation and swing joint two bases of climbing the stair tread above that fast with several flexible band, it can on two sides of draw -bar box to fix. During walk up and down stairs, climbing the stair tread and contacting with the nodical of ladder step, the footboard uses the contact position to rotate as the strong point to the supporter of box shifts between footboard and neighbouring gyro wheel, and messenger's draw -bar box constantly rises or descends and accomplishes the stair work of climbing. Because the utility model discloses a have some overlappings between footboard and the gyro wheel, it is steady to have guaranteed that the supporter shifts, greatly reduces or has avoided the impact. Therefore the utility model discloses it tachy sterols soon to adopt gets draw -bar box of climbing stair device has the excellent stair function of climbing, motion stationary, strike little, simple structure, characteristics such as convenient to use.
Description
Technical field
This utility model relates to a kind of draw-bar box stair-climbing device, especially relates to a kind of draw-bar box using and quickly admittedly taking stair-climbing device.
Background technology
Draw-bar box the most in depth dissolves in daily life, it has also become travel, indispensable article of going on business, and brings conveniently for people's trip.But, draw-bar box the most also brings embarrassment and even bothers, and runs into little ladder bank and can also easily put on bank, once run into multistage stair lifting rod case and just become the thing of trouble, fills thing the lighter and still can deal with, otherwise want the hardship of receptor site fatigue.Great majority building is still upper and lower by stair now, to improve, for this, the convenience that draw-bar box brings further so that it is having stair climbing function has become a kind of demand.The features such as stair climbing draw-bar box (ZL201521102642) technical scheme of this utility model people exploitation, is up to the present optimum draw-bar box stair climbing scheme, has the stair climbing function of excellence, stable movement, impacts little, simple in construction, easy to use.But this scheme needs to install the axis hole of stair climbing pedal in the processing of the side of draw-bar box, and to a certain degree affect on draw-bar box is attractive in appearance, and can be only applied on the draw-bar box of new production, for a large amount of the most the most inapplicable at the draw-bar box of use.
Summary of the invention
In order to solve the deficiency in above-mentioned technology, the purpose of this utility model is to provide a kind of stair-climbing device that can the most admittedly take, and is sleeved on common draw-bar box so that it is have the stair climbing function of excellence, and without common draw-bar box is carried out any transformation.
For convenience, the facade in the following description stair ladder in three dimensions walked and horizontal plane, can describe with the vertical line of the stair ladder step in two dimensional surface view and horizontal line, in other words both statements are of equal value；The facade of stair ladder step and the external corner intersection of horizontal plane in same three dimensions, and in two dimensional surface view, the vertical line of stair ladder step and the statement of horizontal intersection point are of equal value, and this intersection point is called the intersection point of ladder step；Two kinds of the circular arc line statement equivalence that the arcwall face that in three dimensions, stair climbing pedal is fan-shaped is fan-shaped with stair climbing pedal in two dimensional surface view.For stair climbing pedal and roller, what its projection did not referred to perspective plane is all with place, side 3 plane as perspective plane.
In order to solve above-mentioned technical problem, this utility model uses the draw-bar box quickly admittedly taking stair-climbing device, including casing, roller, pull bar；Casing has two sides being parallel to each other, a back side and a front parallel with it, a bottom surface and an end face parallel with it, and casing is made up of case and case lid, and case has part to be connected with case lid a side, and remainder is by slide fastener folding；And it is provided with stair-climbing device, including stair climbing pedal；This stair climbing pedal is sector, and small end has an axis hole, fan-shaped circular arc and the concyclic heart of axis hole；Stair climbing pedal is movably connected on the side of casing, and stair climbing pedal can rotate around rotary shaft and rotational plane is parallel with side, and each side has a stair climbing pedal, and the stair climbing pedal on two sides is symmetrical.
The installation site of the rotary shaft of this stair climbing pedal is higher than the wheel shaft installation site of roller, during the angle that angle is stair activity of draw-bar box and horizontal plane, the height of the circular line section end points of stair climbing pedal is higher than the height intending climbing the highest ladder step, the contact point that stair climbing pedal walks with ladder, with the degree of depth that neighbouring roller and the contact point of ladder step distance in the horizontal direction are less than terraced step, the supporter making draw-bar box shifts between roller and stair climbing pedal, thus automatically resets under gravity for stair climbing pedal and create conditions；Stair climbing pedal is positioned at the outside of neighbouring roller, and a part for the circular arc line of its sector is in the outside of box back surface, minimum point on the circular arc line of stair climbing pedal is higher than the minimum point of neighbouring roller wheel rim, the projection of stair climbing pedal overlaps with the projection of neighbouring roller, makes the supporter of draw-bar box shift between roller and stair climbing pedal without impact；Its overlapping region, at the roll shell of backrest surface point of intersection and the outside incorporeity of the circular arc line of stair climbing pedal, effectively protects the draw-bar box back side and is not scratched.
This stair-climbing device is for quickly admittedly to take stair-climbing device, including rotary shaft, pedestal, flexible-belt, stair climbing pedal；Pedestal is flat board, and rotary shaft is fixed on pedestal, and rotary shaft is perpendicular to base plane；It is fixed with four flexible-belts on base plate, is mutually perpendicular to two-by-two；It is respectively mounted one on two sides of draw-bar box and is fixed with a rotary shaft and the pedestal of four flexible-belts, the two pedestal is connected by respective four flexible-belt correspondences and is fixed on the side of draw-bar box, and every flexible-belt is perpendicular to a seamed edge of draw-bar box side；Use the mode being easy to admittedly take to connect between flexible-belt corresponding on two pedestals, as bracelet or thread gluing all can take the most admittedly, thus the most admittedly take stair-climbing device；Stair climbing pedal is movably connected in the rotary shaft on pedestal.This quickly admittedly taking stair-climbing device has Fast Installation and the feature of fast quick-detach, can be fixed on common draw-bar box by stair-climbing device rapidly so that it is have stair climbing function, can quickly pull down stair-climbing device equally and make common draw-bar box restore to the original state.
A kind of improvement of the draw-bar box quickly admittedly taking stair-climbing device is used as this utility model, quickly admittedly take hinged one piece of connecting plate in flat board on the pedestal of stair-climbing device, become closing structure, between pedestal and connecting plate, hard-over is 270 degree, making pedestal form right angle with connecting plate, become two right angles, the inner corner trim side at right angle is two planes, and rotary shaft is on the face of the external corner side at right angle, thus as being fitted on side 3 and the back side 2 by the structure at two right angles；Be connected on this connecting plate a flexible-belt, and this flexible-belt is perpendicular to the seamed edge that side is intersected with the back side, and is connected with corresponding flexible-belt on the back side；Other three flexible-belts are on pedestal, and these four flexible-belts are mutually perpendicular to two-by-two.Such a structure increases the ability quickly admittedly taking stair-climbing device carrying axial load, make the side 3 of draw-bar box be difficult to Inward deflection, meet the specific demand that draw-bar box is used.
Use the another kind of improvement of the draw-bar box quickly admittedly taking stair-climbing device as this utility model, the most admittedly take and on the pedestal of stair-climbing device, be fixed with three flexible-belts；Wherein a flexible-belt is perpendicular to the seamed edge that side is intersected with bottom surface, and is connected with corresponding flexible-belt in bottom surface；Another flexible-belt is perpendicular to the seamed edge that side is intersected with the back side, is connected with corresponding flexible-belt overleaf；Article 3 flexible-belt is perpendicular to the seamed edge that side is intersected with front, is connected with corresponding flexible-belt in front, or Article 3 flexible-belt is perpendicular to the seamed edge that side is intersected with end face, and is connected with corresponding flexible-belt at end face.Operationally stair climbing pedal is mainly by radial load, is mainly bound in two flexible-belt stress of the back side and bottom surface, and two flexible-belts being bound in end face and front are mainly used in location, thus can cancel wherein one, such more compact structure.
Use another improvement of the draw-bar box quickly admittedly taking stair-climbing device as this utility model, stair climbing pedal is substituted by stair climbing roller, and stair climbing roller is circular wheel, without the reset issues of stair climbing pedal, makes structure simpler.
This utility model uses and quickly admittedly takes stair-climbing device, common draw-bar box is quickly loaded onto stair-climbing device and makes it have stair climbing function, can quickly pull down stair-climbing device equally makes common draw-bar box restore to the original state, and without common draw-bar box is made any transformation, structure is the simplest.During use, with several flexible-belts rapidly by being fixed with rotary shaft and being movably connected in two pedestals of stair climbing pedal thereon, it is fixed on two sides of draw-bar box.During stair activity, stair climbing pedal contacts with the intersection point of ladder step, and pedal rotates with contact position for the strong point, and the supporter of casing shifts between pedal and neighbouring roller, makes draw-bar box constantly rise or fall stair climbing work.Owing to overlapping between pedal of the present utility model and roller, it is ensured that it is steady that supporter shifts, and greatly reduces or avoids impact.
Thus this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to have the stair climbing function of excellence, stable movement, impact little, simple in construction, the feature such as easy to use.
Accompanying drawing explanation
It is described in further detail with embodiment of the present utility model below in conjunction with the accompanying drawings.
Fig. 1 is the pedestal three dimensional structure schematic diagram being fixed with rotary shaft and four flexible-belts quickly admittedly taking stair-climbing device.
Fig. 2 is draw-bar box and quickly admittedly takes rigging position relation schematic three dimensional views between stair-climbing device.
Fig. 3 is to secure the base construction schematic three dimensional views equipped with rotary shaft and four flexible-belts on draw-bar box.
Fig. 4 is that draw-bar box secures the quick draw-bar box structure three-dimensional signal admittedly taking stair-climbing device of the structure quickly admittedly taking stair-climbing device, i.e. this utility model employing.
Fig. 5 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go upstairs one of schematic diagram.
Fig. 6 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go upstairs the two of schematic diagram.
Fig. 7 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go upstairs the three of schematic diagram.
Fig. 8 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go upstairs the four of schematic diagram.
Fig. 9 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go downstairs one of schematic diagram.
Figure 10 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go downstairs the two of schematic diagram.
Figure 11 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go downstairs the three of schematic diagram.
Figure 12 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go downstairs the four of schematic diagram.
Figure 13 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go downstairs the five of schematic diagram.
Figure 14 be roller be that this utility model of universal wheel uses the draw-bar box stair climbing schematic diagram quickly admittedly taking stair-climbing device.
Detailed description of the invention
This utility model uses the draw-bar box quickly admittedly taking stair-climbing device, including casing, roller 1, pull bar 4；Casing has two sides being parallel to each other 3, a back side 2 and a front parallel with it, a bottom surface and an end face parallel with it, and casing is made up of case and case lid, and case has part to be connected with case lid a side 3, and remaining is by slide fastener 5 folding.The roller of general draw-bar box has two, also has four, and this utility model preferably only has the plane roller 1 of two backrest surfaces 2；This utility model uses the draw-bar box quickly admittedly taking stair-climbing device to be provided with stair-climbing device, including stair climbing pedal 20；This stair climbing pedal 20 is in sector, and small end has an axis hole, fan-shaped circular arc and the concyclic heart of axis hole；Stair climbing pedal 20 is movably connected on the side 3 of casing, and stair climbing pedal can rotate around rotary shaft and rotational plane is parallel with side 3, and each side 3 has a stair climbing pedal, and the stair climbing pedal on two sides 3 is symmetrical.
Fig. 1 show the base construction signal being fixed with rotary shaft and four flexible-belts quickly admittedly taking stair-climbing device.This utility model preferred weight is light, and intensity is high, and the engineering plastics of good rigidity manufacture rotary shaft 21 and pedestal 22；Rotary shaft 21 and pedestal 22 can use overall manufacture so that it is be a rigid body, it is also possible to be connected as a rigid body by modes such as bolts again after manufacturing respectively, and this utility model is preferably overall to be manufactured；The position of the preferred rotary shaft of this utility model 21, by one side of pedestal 22, so makes rotary shaft 21 be arranged close to the seamed edge that side 3 is intersected with the back side 2, and draw-bar box is higher at strength and stiffness herein, and two pedestals 22 have been divided left and right by this selection the most.Flexible-belt 23 selects good toughness, on-deformable fabric.Choose and be fabricated to an overall rotary shaft 21 and pedestal 22, again with one piece of square fabric more than pedestal 22 flat board, method in the sewing of its surrounding is connected four flexible-belts 23, makes two flexible-belts 23 of square fabric corresponding sides approximate on one wire, and two lines is vertical；Then square fabric is placed in below pedestal 22, add bonding mode with bolt to be fixed together with pedestal 22, or below square fabric, add one piece again with pedestal 22 with big flat board, then fix with bolt, square fabric is made to be sandwiched between two plates, this utility model preferred latter fixing means.Constitute an assembly quickly admittedly taking stair-climbing device.The length of four flexible-belts 23 on assembly meets use on the draw-bar box draft specification, certainly also can meet less than the draw-bar box drafting specification, as drafted the draw-bar box that specification is 26 cun, is then also applied for the draw-bar box use of 24 cun and 22 cun.Quickly admittedly taking stair-climbing device has two such assemblies, two assemblies have attachment structure in requisition for two flexible-belts 23 connected in junction, this structure can be thread gluing can also be bracelet, the preferred thread gluing of this utility model, thus the two of correspondence flexible-belts 23 have loop fastener structures in junction.
Fig. 2 show draw-bar box and quickly admittedly takes rigging position relation signal between stair-climbing device.Two stair climbing pedals 20 are by the rotary shaft 21 being respectively and movably connected to above-mentioned two assembly, thus constitute two parts quickly admittedly taking stair-climbing device, and above-mentioned two parts will be separately mounted on two sides 3, each flexible-belt 23 is by each case face being banded in draw-bar box.Stair climbing pedal 20 is also with lightweight, and intensity is high, the engineering plastics manufacture of good rigidity.Stair climbing pedal 20 is in sector, and small end has an axis hole, fan-shaped circular arc and the concyclic heart of axis hole；Fan-shaped while equipped with counterweight 24, efficiently reducing the circumferential size of stair climbing pedal 20 at stair climbing pedal 20 of this utility model.
Fig. 3 show on draw-bar box and secures the base construction signal equipped with rotary shaft and four flexible-belts, i.e. secures two assemblies quickly admittedly taking stair-climbing device on draw-bar box.Four flexible-belts 23 on each assembly are respectively perpendicular to four seamed edges of side, place 3, flexible-belt 23 corresponding on two assemblies thread gluing connection on bottom surface, the back side 2, front, end face respectively, make pedestal 22 be close to side 3.The installation site of pedestal 22 determines the position of rotary shaft 21, allows on pedestal 22 seamed edge intersected with side 3 and the back side 2 by rotary shaft 21 flush, this defines the pedestal 22 lateral attitude on side 3；And lengthwise position i.e. height is by a calibrated bolck, and (its height determines according to the circular arc radius of stair climbing pedal 20 when design, then the calibrated bolck of strip is made) determine, draw-bar box takes the state of standing up, calibrated bolck is put on the support surface, contacting with calibrated bolck below of pedestal 22, and the height also dependent on calibrated bolck makees inconspicuous labelling on draw-bar box certainly, the most more convenient, determine the lengthwise position of pedestal 22, also determined that the position of pedestal 22, naturally also determined the position of rotary shaft 21；Two flexible-belts 23 on the back side 2 and front, two flexible-belts 23 on reconnection bottom surface and end face, thus fixed pedestal 22 are first connected after the lengthwise position determining pedestal 22.
Fig. 4 show draw-bar box and secures the structural representation that the structure quickly admittedly taking stair-climbing device, i.e. this utility model employing quickly take the draw-bar box of stair-climbing device admittedly.In the context of fig. 3, each rotary shaft 21 is inserted in a stair climbing pedal 20, then uses nut axial restraint, make rotary shaft 21 be movably connected in rotary shaft 21.Stair climbing pedal 20 can rotate around rotary shaft 21, and its rotational plane is parallel with side 3, and stair climbing pedal 20 is positioned at the outside of neighbouring roller 1.And make under the effect of counterweight 24 stair climbing pedal 20 while raising up.
In actually used, it is first stair climbing pedal 20 to be arranged in the rotary shaft 21 of assembly, constitutes the parts quickly admittedly taking stair-climbing device；Directly the parts the most admittedly taking stair-climbing device are installed by Fig. 3 program again, settle at one go, only need on draw-bar box four flexible-belts 23 of thread gluing, or pull open the thread gluing of four flexible-belts 23, install, dismantle and quickly admittedly take stair-climbing device all easily and quick.Employing quickly takes stair-climbing device admittedly makes common draw-bar box have stair climbing function, does not change any structure of common draw-bar box, and after quickly pulling down stair-climbing device when not using, common draw-bar box restores to the original state.Whole process is divided into Fig. 3 and Fig. 4 be only easy to description.
The position of pedestal 22 is installed, the position installing rotary shaft 21 in other words must is fulfilled for: the installation site of the rotary shaft 21 of this stair climbing pedal 20 is higher than the wheel shaft installation site of roller 1, during the angle that angle is stair activity of draw-bar box and horizontal plane, the height of the circular line section end points of stair climbing pedal 20 is higher than the height intending climbing the highest ladder step, the contact point that stair climbing pedal 20 walks with ladder, with the contact point of neighbouring roller 1 and ladder step distance in the horizontal direction less than the terraced degree of depth walked；And a part for its fan-shaped circular arc line is in the outside of box back surface 2, the minimum point on the circular arc line of stair climbing pedal 20 overlaps with the projection of neighbouring roller 1 higher than the minimum point of neighbouring roller 1 wheel rim, the projection of stair climbing pedal 20；Its overlapping region is at the roll shell of backrest surface point of intersection and the outside incorporeity of pedal circular arc line.
Fig. 5 Fig. 8 shows that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go upstairs signal.Use and quickly admittedly take the draw-bar box of stair-climbing device upstairs time, and pull bar 4 at front roller 1 rear.When this utility model uses the stair-climbing device of the draw-bar box quickly admittedly taking stair-climbing device just to contact with stair ladder step, as shown in Figure 5, ladder walks on height at this for rotary shaft 21 center of stair climbing pedal 20 and circular line section upper extreme point, a little contacting of the intersection point circular arc line following with upper extreme point of this ladder step, now the supporter of box body of draw-bar box is roller 1, and whole employing the most admittedly take stair-climbing device draw-bar box be supported for previous stair ladder step horizontal plane；Hereafter under the effect dragging pull strength, the supporter of box body of draw-bar box becomes stair climbing pedal 20, and whole employing takes the intersection point of this stair ladder step being supported for being climbed of draw-bar box of stair-climbing device the most admittedly, this point is exactly the strong point that whole employing takes the draw-bar box of stair-climbing device the most admittedly, the corresponding point on stair climbing pedal 20 circular arc line being in contact with it are by the strong point, under the effect of external force, stair climbing pedal 20 will rotate clockwise around the strong point, the small end concomitant rotation of stair climbing pedal 20 and up, thus box body of draw-bar box is the most up, as shown in Figure 6, in the process, by the strong point relative invariant position on stair climbing pedal 20；nullWhen stair climbing pedal 20 around the strong point rotate make box body of draw-bar box go upward on stair climbing pedal 20 circular arc line by the strong point，Overlap with the projection intersection point of stair climbing pedal 20 circular arc line projection and roller 1 time，When the wheel rim of the projection and roller 1 that are i.e. turned to stair climbing pedal 20 circular arc line by the strong point projects position of intersecting point，As shown in Figure 7，The supporter continuing box body of draw-bar box the most a little is become roller 1 from stair climbing pedal 20，Now，Stair climbing pedal 20 is only acted on by gravity，And stair climbing pedal 20 rotates counterclockwise under gravity，The state until affranchising，Realize automatically reseting of stair climbing pedal 20，Meanwhile also it is transferred on roller 1 by the corresponding point walking the strong point on stair climbing pedal 20 with ladder and the corresponding point of the ladder step strong point by the strong point，Effect bottom roller 1 in external force will rotate clockwise around the strong point，The wheel shaft concomitant rotation of roller 1 and up，Thus box body of draw-bar box is the most up，Until roller 1 is just tangent with the horizontal line of this ladder step，The draw-bar box quickly admittedly taking stair-climbing device is used to climb up this stair ladder step，So far climbing of a ladder step is completed，As shown in Figure 8.So it is repeatedly completed the work of whole stair climbing.
Fig. 9 Figure 13 is that this utility model uses the draw-bar box quickly admittedly taking stair-climbing device to go downstairs signal.In the process, use the roller 1 of the draw-bar box quickly admittedly taking stair-climbing device at front pull bar 4 rear.Promoting the beginning state using the draw-bar box quickly admittedly taking stair-climbing device to go downstairs, the facade that the vertical plane crossing wheel shaft of roller 1 just walks with stair ladder overlaps, whole employing takes the intersection point that the strong point of the draw-bar box of stair-climbing device is this ladder step the most admittedly, and corresponding point is by the strong point on roller 1, as shown in Figure 9, effect bottom roller 1 at thrust and gravity rotates counterclockwise around the strong point, the wheel shaft of roller 1 rotates and declines, make box body of draw-bar box descending, in the process, by the strong point relative invariant position on roller 1；Roller 1 rotate around the strong point make box body of draw-bar box come downwards on roller 1 by the strong point, when projection with roller 1 and the position of stair climbing pedal 20 arc-shaped projection intersection point overlap, be in that the supporter of box body of draw-bar box shifts is critical, as shown in Figure 10；nullGive External Force Acting again，The supporter of box body of draw-bar box is become stair climbing pedal 20 from roller 1，Also it is transferred on stair climbing pedal 20 by the corresponding point walking the strong point on roller 1 with ladder and the corresponding point of the ladder step strong point by the strong point simultaneously，Under the effect of external force, stair climbing pedal 20 will rotate counterclockwise around the strong point，Rotary shaft 21 concomitant rotation of stair climbing pedal 20 and descending，Thus box body of draw-bar box is the most descending，As shown in figure 11，In the process，By the strong point relative invariant position on stair climbing pedal 20，Until roller 1 drops to and the plane contact of next one ladder step，Supporter shifts again as roller 1，As shown in figure 12，The most somewhat motion stair climbing pedal 20 rotates clockwise under gravity，Automatically reset，So far this stair ladder complete step under the quick draw-bar box admittedly taking stair-climbing device is used，Complete the decline of a ladder step，As shown in figure 13.So it is repeatedly completed whole process downstairs.
A kind of improvement of the draw-bar box quickly admittedly taking stair-climbing device is used as this utility model, quickly admittedly take hinged one piece of connecting plate in flat board on the pedestal 22 of stair-climbing device, become closing structure, between pedestal 22 and this connecting plate, hard-over is 270 degree, pedestal 22 is made to form right angle with this connecting plate, the inner corner trim side at right angle is two planes, and rotary shaft 21 is on the face of the external corner side at right angle；Be connected on this connecting plate a flexible-belt 23, and this flexible-belt 23 is perpendicular to the seamed edge that side 3 is intersected with the back side 2, and connected with corresponding flexible-belt 23 on 2 overleaf；Other three flexible-belts 23 are on pedestal 22, and these four flexible-belts 23 are mutually perpendicular to two-by-two.
Use the another kind of improvement of the draw-bar box quickly admittedly taking stair-climbing device as this utility model, the pedestal 22 the most admittedly taking stair-climbing device is fixed with three flexible-belts 23；Wherein a flexible-belt 23 is perpendicular to the seamed edge that side 3 is intersected with bottom surface, and is connected with corresponding flexible-belt 23 in bottom surface；Another flexible-belt 23 is perpendicular to the seamed edge that side 3 is intersected with the back side 2, and 2 are connected with corresponding flexible-belt 23 overleaf；The flexible-belt at the two position bears load, so flexible-belt 23 must be installed；Article 3 flexible-belt 23 is perpendicular to the seamed edge that side 3 is intersected with front, is connected with corresponding flexible-belt 23 in front, and this flexible-belt 23 essentially consists in the position of fixed pedestal 22, is not subject to radial load.Additionally Article 3 flexible-belt 23 can also be perpendicular to the seamed edge that side 3 is intersected with end face, be connected with corresponding flexible-belt 23 at end face, be also not subject to radial load.Use both mounting means all can save a flexible-belt 23.
Use another improvement of the draw-bar box quickly admittedly taking stair-climbing device as this utility model, stair climbing pedal 20 is substituted by stair climbing roller, and stair climbing roller is circular wheel.This structure is simpler.
The solid access method quickly admittedly taking stair-climbing device of these three improvement project, and the implementation process of stair activity is all identical with such scheme, repeats no more.
This utility model is not only suitable for the draw-bar box stair climbing of plane roller, is also applied for the draw-bar box stair climbing that roller is universal wheel, and as shown in figure 14, its principle is identical.
Of the present utility model quickly admittedly take stair-climbing device and be applicable not only to draw-bar box stair climbing, be also applied for similar with draw-bar box pulling the utensil stair climbings such as case.
The most the draw-bar box quickly admittedly taking stair-climbing device is used to be fully described this utility model; without departing substantially under spirit in this paper and ambit; this utility model can be made some amendments and improve; this is apparent from for a people with ordinary skill, but each falls within this utility model protection domain.
Claims (4)
1. use the draw-bar box quickly admittedly taking stair-climbing device, including casing, roller (1), pull bar (4)；Casing has two sides being parallel to each other (3), one back side (2) and a front parallel with it, a bottom surface and an end face parallel with it, casing is made up of case and case lid, case has part to be connected with case lid a side (3), and remainder is by slide fastener (5) folding；And it is provided with stair-climbing device, including stair climbing pedal (20)；This stair climbing pedal (20) is in sector, and small end has an axis hole, fan-shaped circular arc and the concyclic heart of axis hole；Stair climbing pedal (20) is movably connected on the side (3) of casing, stair climbing pedal (20) can rotate around rotary shaft (21) and rotational plane is parallel with side (3), having a stair climbing pedal (20) on each side (3), the stair climbing pedal (20) on two sides (3) is symmetrical；
nullThe installation site of the rotary shaft (21) of this stair climbing pedal (20) is higher than the wheel shaft installation site of roller (1)，During the angle that angle is stair activity of draw-bar box and horizontal plane，The height of the circular line section end points of stair climbing pedal (20) is higher than the height intending climbing the highest ladder step，The contact point that stair climbing pedal (20) walks with ladder，With the degree of depth that neighbouring roller (1) and the contact point of ladder step distance in the horizontal direction are less than terraced step，Stair climbing pedal (20) is positioned at the outside of neighbouring roller (1)，And a part for the circular arc line of its sector is in the outside of box back surface (2)，Minimum point on the circular arc line of stair climbing pedal (20) is higher than the minimum point of neighbouring roller (1) wheel rim，The projection of stair climbing pedal (20) overlaps with the projection of neighbouring roller (1)，Its overlapping region is at the roll shell of backrest surface (2) point of intersection and the outside incorporeity of the circular arc line of stair climbing pedal；
It is characterized in that: this stair-climbing device is for quickly admittedly to take stair-climbing device, including rotary shaft (21), pedestal (22), flexible-belt (23), stair climbing pedal (20)；Pedestal (22) is flat board, and rotary shaft (21) is fixed on pedestal (22), and rotary shaft (21) is perpendicular to pedestal (22) plane；It is fixed with four flexible-belts (23) on pedestal (22) flat board, is mutually perpendicular to two-by-two；A pedestal (22) being fixed with a rotary shaft (21) and four flexible-belts (23) it is respectively mounted on two sides (3) of draw-bar box, the two pedestal (22) was fixed on the side (3) of draw-bar box by respective four flexible-belts (23) corresponding being connected, and every flexible-belt (23) is perpendicular to a seamed edge of draw-bar box side (3)；The mode being easy to admittedly take is used to connect between two upper corresponding flexible-belts (23) of pedestal (22)；Stair climbing pedal (20) is movably connected in the rotary shaft (21) on pedestal (22).
Use the draw-bar box quickly admittedly taking stair-climbing device the most according to claim 1, it is characterized in that: quickly admittedly take the upper hinged one piece of connecting plate in flat board of pedestal (22) of stair-climbing device, become closing structure, between pedestal (22) and connecting plate, hard-over is 270 degree, pedestal (22) is made to form right angle with connecting plate, the inner corner trim side at right angle is two planes, and rotary shaft (21) is on the face of the external corner side at right angle；Be connected on this connecting plate a flexible-belt (23), and this flexible-belt (23) is perpendicular to the seamed edge that side (3) is intersected with the back side (2), and (2) are upper connected with corresponding flexible-belt (23) overleaf；Other three flexible-belts (23) are on pedestal (22), and these four flexible-belts (23) are mutually perpendicular to two-by-two.
Use the draw-bar box quickly admittedly taking stair-climbing device the most according to claim 1, it is characterised in that: quickly admittedly take and on the pedestal (22) of stair-climbing device, be fixed with three flexible-belts (23)；Wherein a flexible-belt (23) is perpendicular to the seamed edge that side (3) is intersected with bottom surface, and is connected with corresponding flexible-belt (23) in bottom surface；Another flexible-belt (23) is perpendicular to the seamed edge that side (3) is intersected with the back side (2), and (2) are connected with corresponding flexible-belt (23) overleaf；Article 3 flexible-belt (23) is perpendicular to the seamed edge that side (3) is intersected with front, it is connected with corresponding flexible-belt (23) in front, or Article 3 flexible-belt (23) is perpendicular to the seamed edge that side (3) is intersected with end face, and it is connected with corresponding flexible-belt (23) at end face.
4. according to using the draw-bar box quickly admittedly taking stair-climbing device according to any one of claim 1,2,3, it is characterised in that: stair climbing pedal (20) is substituted by stair climbing roller, and stair climbing roller is circular wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620375277.7U CN205547738U (en) | 2016-04-28 | 2016-04-28 | It tachy sterols soon to adopt gets draw -bar box of climbing stair device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620375277.7U CN205547738U (en) | 2016-04-28 | 2016-04-28 | It tachy sterols soon to adopt gets draw -bar box of climbing stair device |
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| Publication Number | Publication Date |
|---|---|
| CN205547738U true CN205547738U (en) | 2016-09-07 |
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| CN201620375277.7U Active CN205547738U (en) | 2016-04-28 | 2016-04-28 | It tachy sterols soon to adopt gets draw -bar box of climbing stair device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334239A (en) * | 2016-04-28 | 2017-11-10 | 杨祖成 | Using the draw-bar box for quickly taking stair-climbing device admittedly |
| CN112006402A (en) * | 2020-09-18 | 2020-12-01 | 湖南叁珺工贸有限公司 | Portable case and bag |
-
2016
- 2016-04-28 CN CN201620375277.7U patent/CN205547738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334239A (en) * | 2016-04-28 | 2017-11-10 | 杨祖成 | Using the draw-bar box for quickly taking stair-climbing device admittedly |
| CN112006402A (en) * | 2020-09-18 | 2020-12-01 | 湖南叁珺工贸有限公司 | Portable case and bag |
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