CN2083862U - Shoes with heel of adjustable height - Google Patents

Abstract

The utility model relates to shoes with heel of adjustable height, whoes sole comprises a front sole and a rear sole, and whose heel comprises a curve movement sliding guide, a supporting guide of which is fixed at the back head of the rear sole forming a component, which is connected with the front sole by a spindle with an articulated manner, with the rear sole. The motion piece of the sliding guide can move up and down in the spaces over and under of the tail end of the rear sole matching with the up-and-down rotating component of the front sole relatively. Then a releasable switch mechanism is set, preventing the motion piece from the relative up-and-down sliding. And a releasable brake mechanism is installed to prevent the component from doing the downward rotation opposite to the front sole, while under the action of a springing arrangement, the motion piece can do the downward sliding opposite to the component.

Description

Shoes with heel of adjustable height

The utility model relates to a kind of footwear of adjustable back height.

As everyone knows, wear high heels for a long time, make pin fatigue easily, this painful conditions and environment of solution is not necessarily arranged when people feel this fatigue just.Quickening along with modern life rhythm, the conversion of people from a kind of place to another place takes place frequently, women particularly needs the footwear of different heels in these different places, but people satisfy this requirement hell to pay again with the way of the footwear that carry different back heights.For addressing this problem, it is a kind of that German patent DE 3137683 once provided." sole assembly of belt variable back height " technology, but its assembly of forming heel can only move mutually in the space below the rear portion of saddle and regulate the height of heel, can be connected but also will satisfy each other, so the minimum back height that super only this patent of the back height variable quantity in the sole assembly that this patent provided provides causes the limited adjustment range of back height like this.

The purpose of this utility model, provide a kind of footwear of adjustable back height newly, expand the upper space of sole tail end to owing to will form the scope of activities of the assembly of heel, and make the heel minimum altitude of the variable quantity of back height greater than the footwear of this adjustable back height.

Though main points of the present utility model, the sole of the footwear of this adjustable back height comprise the preceding end and the end, back.The heel of the footwear of this adjustable back height comprises a movement in a curve rail plate, and this guide rail is by holding guiding element and movement parts is formed.The described guiding element that holds fixedly is connected in adopted rear portion, back and the common parts of forming in the end, back, one axle between the preceding end and this parts with they hinges, these parts can rotate up and down around the described relatively preceding end of described axle, the described described relatively parts of the bootable movement parts of guide face that hold that hold guiding element slide up and down along camber line in the space up and down of the tail end at the end, back, and the center of circle of this camber line place circle is in the place ahead of holding guiding element.Movement parts can be to hold the length of guiding element at above-below direction in the length of above-below direction, and the guiding element bottom is being held when following in the lower end of movement parts, and the movement parts lower end is the back height of the footwear of this adjustable ground back height to the vertical range of holding the guiding element top.Upper of a shoe is connected on the preceding end and the described parts.One releasable brake mechanism is installed on described parts, this brake mechanism hinders described movement parts when being subjected to external force holds what hold guiding element that described relatively parts slide up and down on the guide face, one releasable arrestment mechanism also is installed in addition, this arrestment mechanism stops the preceding relatively end of described parts to be rotated down to putting, under an elastic device effect, the described relatively parts of described movement parts are tending towards to lower slider.Another characteristics of the present utility model are, when upper of a shoe is divided into toe lasting and the back is helped, toe lasting only is connected with the preceding end, when back group only is connected with described parts, should be replaceable by part that toe lasting and the preceding end are formed jointly, its technical scheme be described with the preceding end and afterwards the axle that connects of bottom hinge be removably mounted on the preceding end and afterwards at the end.Another scheme be a blade pass cross described axle be hinged on the back end on, the more preceding end, be removably mounted on the blade.

The utility model has the advantages that, wear the footwear that the utility model is manufactured, can any instrument and regulate the height of heel at any time, because adjustable extent is big, satisfy the extensive hope that people determine the heel of a shoe height that oneself wears whenever and wherever possible thereby reach, because the part that toe lasting and the preceding end are formed can be made removable structure, can prepare the part of forming by the toe lasting and the preceding end of different patterns, and should part cost the end of than.

The utility model will be illustrated more clearly among the routine embodiment down.

Fig. 1 is the vertically not exclusively cutaway view of first embodiment of the footwear of this adjustable back height.

Fig. 2 is that A among Fig. 1 is to partial sectional view.

Fig. 3 is the profile of the B-B among Fig. 1.

Fig. 4 is the vertically not exclusively cutaway view of second embodiment of the footwear of this adjustable back height.

Fig. 5 is that the C of Fig. 4 is to partial sectional view.

Fig. 6 is that the D of Fig. 4 is to partial sectional view.

Fig. 7 is the partial sectional view of removable another technical scheme of part be made up of the toe lasting and the preceding end among the embodiment two.

Embodiment one, see Fig. 1 and Fig. 2, the preceding interior end 32, made by the material of elastically deformable, and its rear portion fixedly is inlaid with the blade that is bent upwards 2 of certain rigidity and intensity, have tooth 29 below the blade 2, this blade 2 is fixedlyed connected with the empty ratchet 27 that is enclosed within on the axle 28 and is integral.The back interior end 5 of being made by inflexible material, be hinged on by axle 28 at preceding the interior end 32.See Fig. 1 and Fig. 3, the rear portion at the end 5 is connected with a movement in a curve rail plate in the back, the guiding element 13 that holds of this guide rail fixedly fused with the interior end 5, back, the movement parts 17 of this guide rail is one and has the arc bar that certain rigidity and strength materials are made, its section is rectangular, the guide face that holds that holds guiding element 13 fixedly is embedded in by one and holds guiding element 13 and form to the portion that the hesitates inner surface of the U-shaped reinforcement 14 forward of the opening with certain strength and stiffness at groove 37 rear portions of open front, block 9 and 16 on the reinforcement 14 plays constrained motion part 17 and moves forward, this the bootable movement parts that cooperates with it 17 of guide face tail end at the end 5 in later that holds that holds guiding element 13 holds guiding element 13 relatively and moves up and down along camber line, the center of circle of the circle at its arc knot movement locus place is in the place ahead of holding guiding element 13, evenly be furnished with contrate 19 on the intrados of movement parts 17, the upper and lower surfaces of this horizontal stroke 19 are all downward-sloping, the guide face that holds of reinforcement 14 communicates with the groove 37 of reinforcement to open front, one circle eccentric part 22 is arranged between the two side of the preceding part of reinforcement 14, circle eccentric part 22 is connected in by the axle 21 that passes its centre of gyration versatilely and holds on guiding element 13 and the reinforcement 14, there is one section off-centre operation cambered surface the back lower place of circle eccentric part 22, be furnished with the stop tooth 15 that matches with contrate 19 on this face, be installed in rotation spring 8 on the reinforcement 14 by pin 7 and act on the posterior end that makes this circle eccentric part 22 on the 1 circle eccentric part 22 and rotate up stop tooth 15 and contrate 19 to be meshed and movement parts 17 is pressed on and hold the holding on the guide face of guiding element 13.Movement parts 17 intrados have the opening groove 18 that leads to the upper end forward, connecing spring 12 is connected with the upper end of movement parts 17 by these groove 18 one ends, its other end connects end on the pin on the reinforcement 14 7, under the effect of this extension spring 12, movement parts 17 is held guiding element 13 relatively and is tending towards to lower slider holding holding of guiding element 13 on the guide face.Circle eccentric part 22 has an inclined to one side shape that extends to groove 37 front portions forward partly, and the preceding part of this groove 37 is open shape forward.

See Fig. 1 and Fig. 2, be set with fork 33 and 36 on the both sides axle 28 of ratchet 27, two of pivot pin 4 is connected with 36 with fork 33 respectively, on pivot pin 4, be set with ratchet 26, under the rotation spring 34 and 35 effect that are installed on the thorn claw 26 both sides pivot pins 4, ratchet 26 inserts in the tooth of ratchet 27, ratchet 26 driving pawls 27 in the direction of axle 28 rotations and the back end 5 around axle 28 relative before the direction unanimity that is rotated down of the interior ends 32, there is a vertical hole 6 to open front the inside at the end 5 in the back, the rear portion in this hole 6 communicates with the groove 37 that holds guiding element 13, there is an expansion that does not have a bottom partly 25 front portion in this hole 6, ratchet 26 is positioned at this expansion part 25, when the upper end of ratchet 26 contacted with the top of this expansion part 25, the end 5, be rotated down around the preceding relatively interior end 32 of axle 28 in the prevention back.The front end of backguy 23 is connected on the ratchet 26, and the rear end of backguy 23 is connected on the above part of the centre of gyration of round eccentric part 22, and the physical length between the front and back contact of backguy 23 is slightly larger than the shortest connection distance of the front and back tie point of this backguy by vertical hole 6.And have outer bottom 30 that wear-resisting and material deformation behavior makes be connected before in the end 32 and the back end 5 below, the afterbody of outer bottom 30 is connected the place ahead of holding guiding element 13 and is enclosed on the notch of groove 37, the preceding end 31, formed with the part that is connected the outer bottom 30 of its underpart in the end 32 in preceding, the part of the end 5 and the outer bottom 30 that is connected its underpart is formed the end 24, back in the back, the back end 24 with hold guiding element 13 and form the parts that can rotate up and down around the 28 relative preceding ends 31 of axle, upper of a shoe 1 is connected on the above-mentioned rotatable parts in the preceding ends 31, the rear end of upper of a shoe 1 is made of skin 11 and internal layer 10, leaves the activity space that slides up and down for movement parts 17 between skin 11 and the internal layer 10.Contrate 19 on aforesaid movement parts 17 inner arcs forms the retainer of brake mechanisms with being connected stop tooth 15 on the round eccentric part 22 that holds on the guiding element 13, and described sky is enclosed within on the axle 28 and with the fixedly connected ratchet 27 in the preceding end 31 be actively connected on sky and be enclosed within that ratchet 26 on the fork 33 and 36 on the axle 28 is common to be formed one and stop described rotatable parts to center on the 28 relative preceding ends 31 of axle to be rotated down arrestment mechanism.There is a part 20 of protruding forward the lower end of movement parts 17.

When wearing the footwear of this adjustable back height, if the emperor who wants these footwear of lifting is with height, need only also upwards exert oneself with the afterbody of finger abutment outer bottom 30, then the afterbody of outer bottom 30 generation strain raises up, by this protruding part finger upwards enter hold guiding element 13 in the groove 37 of open front and the flat-shaped part of extending forward that upwards promotes circle eccentric part 22 of the afterbody by outer bottom 30 rotate up, cause the engagement of stop tooth 15 disengagings and contrate 19, thereby recover the freedom that the described relatively parts of movement parts 17 slide up and down, meanwhile, backguy 23 is tightened up and moves backward, it makes the engagement of ratchet 26 disengagings and ratchet 27, centers on the freedom of the preceding relatively end 31 of axle 28 to backspin thereby recover described part.At this moment, the back height of these footwear if raise, wearing the toe section of these footwear stepped at the preceding end 31, and heel upwards lifts and the back part by upper of a shoe 1 drives described parts and rotates up around the preceding relatively end 31 of axle 28, movement parts 17 its lower end under the effect of extension spring 12 keep with the contact on ground also the relative described parts that are being rotated down to lower slider, meanwhile, under the effect of the backguy 23 of tensioning, the upper end of sour jujube 26 keep with the back in the end 56 front portions, hole expansion partly 25 end face connect and along with the described parts that rotate up together rotate up around axle 28, the part of the outer bottom 30 below the axle 28 increases the elastic stretching distortion gradually; If fall the back height of these footwear of the end, wearing the toe section of these footwear stepped on the preceding end 31, heel is exerted oneself downwards, described parts are rotated down around the preceding relatively end 31 of axle 28 under calcaneal effect, since the lower end of movement parts 17 with contact and can not move downward, described movement parts 17 is being held the upwards slip of the described relatively parts that descending under the guide face guiding of holding of guiding element 13, the top of movement parts 17 progresses in the skin 11 and the space between the internal layer 10 of upper of a shoe 1 rear end, meanwhile, the expansion of ratchet 26 6 front portions, hole at the end 5 in the back partly under the effect of the backguy 23 of the tensioning of 25 end faces along with the parts of described downward rotation together are rotated down around axle 28, and the elastic stretching modification of the part of the following outer bottom 30 of axle 28 is eliminated gradually.When choosing required back height, finger is withdrawn out from the afterbody of outer bottom 30, at this moment, stop tooth 15 is pressed on contrate 15 engagement and with movement parts 17 again under the effect of rotation spring 8 and holds the holding on the guide face of guiding element 13, ratchet 26 is inserted in the tooth of wheel 27 under the effect of rotation spring 34 and 35 again, the strain of outer bottom 30 afterbodys is eliminated, and these footwear can be worn use.

In the middle of the use, when starting, toe is still stepped on the preceding end 31 and heel upwards lifts rapidly and by the back part that drives upper of a shoe 1 described parts are together rotated up around the 28 relative ends 31 of axle together with movement parts 17 before the pin, at this moment, ratchet 26 relative ratchet 27 under rotation spring 34 and 35 effect remains on the original position, the hole 6 anterior end faces disengagings that enlarge part 25 at the interior end 5 then rotate up with the contacting of upper end of ratchet 26, so backguy 23 is owing to be ratchet 26 not being exerted an influence of relaxing, the part of the outer bottom 30 below the axle 28 produces the elastic stretching distortion.After whole accent follows footwear with the pin built on stilts, aloft, owing to pin have that nature stretches become to throwing to make described parts and movement parts together to be rotated down the last end in contact of anterior end face that enlarges parts 25 in the hole 6 at the end 5 in the back and ratchet 26 around the 28 relative preceding ends 31 of axle till.On the part of the upper of a shoe above the axle 28 1, done telescopic elasticity wrinkle 3.

Embodiment two, see Fig. 4, the guiding element 16 that holds of the movement in a curve rail plate among this embodiment is connected in the rear portion at the interior end 9, inflexible back by bolt 14, the end 13 behind the following and back composition at the interior end 9 at the end 9 in after the preceding part of the back outer bottom 18 of elastically deformable is connected,, the afterbody of back outer bottom 18 is connected on the place ahead end face that holds guiding element 16.Upper of a shoe is divided into toe lasting 1 and back group 15, in later back of dotted line 12 end 8, movement in a curve rail plate to hold guiding element 16 and movement parts 17 and the internal structure of the back part of back group 15 identical with corresponding part among the embodiment one.See Fig. 4 Fig. 5, preceding outer bottom 24 with elastic deformation and anti-wear performance links together with the preceding interior end 2 with elastic deformation performance and forms the preceding end 25, before in the back part at the end 2 be fixed on and be inlaid with a blade that is bent upwards 3 with certain strength and stiffness, tooth 23 is arranged below this blade 3, the rear end of this blade 3 is fixedly connected with two ratchets 5 and 27, thorn wheel 5 and 27 common skies are enclosed within on the axle 4, the back end 13, is hinged by the axle 4 and the preceding end 25, thorn claw 6 and 22 is installed in the back versatilely by pin 8 jointly at interior the end 9, be positioned at the expansion part 20 of the end 9, back altogether to 11 front portions, hole of open front, under being installed in the effect that two of enlarging partly in 20 add making leaf spring 7 and 21, ratchet 6 inserts in the tooth of thorn wheel 5, ratchet 22 inserts in the tooth of ratchet 27, ratchet 6 driving pawls 5 are opposite around axle 4 direction of rotation with ratchet 22 driving pawls 27 around the direction of axle 4 rotations, thereby stop the end 13, back and hold the parts that guiding element 16 is combined into and rotate up and down around the 4 relative preceding ends 25 of axle, this sky be enclosed within on the axle 4 and the ratchet 5 that fixedly connects together with the preceding end 25 and 27 be connected versatilely in the back ratchet 6 at the end 9 and 22 jointly the above-mentioned parts of composition one prevention center on the arrestment mechanisms that the 4 relative preceding ends 25 of axle rotate up and down.The preceding part that is in the backguy 10 in the relaxed state in the back in the hole 11 at the end 9 is divided into two strands, it is connected with 22 with ratchet 6 respectively, the rear end of this backguy 10 is connected holds in the guiding element 16 on the round eccentric part identical with embodiment one, when backguy 10 is tensioned and moves backward, ratchet 6 and 22 breaks away from the engagement with ratchet 5 and 27 simultaneously, thereby recovers the freedom that described parts rotated up and down around the preceding relatively end 25 of axle 4.See Fig. 4, Fig. 5 and Fig. 6, one end of axle 4 is equipped with a dismountable back-up ring 28, preceding outer bottom 24 has one to extend rearward to the back following part at the interior end 9, the part afterbody of this extension is connected with a strip hook 19, when these footwear are in user mode, in the horizontal skewed slot 26 that this hook 19 hangs in the back at the end 9 with this hook 19 cooperates, and the part that preceding outer bottom 24 extends back is in the state of elastic stretching and hook 19 is stabilized in the skewed slot 26, when backguy 10 mends that tension is moved backward and when causing above-mentioned arrestment mechanism to be released, the end 13, back, can be rotated down to position shown in Figure 6 around the preceding relatively end 25 of axle 4, at this moment, hook 19 on the part tail end that preceding outer bottom 24 extends back is withdrawed from skewed slot 26, take out the detachable back-up ring 28 on axle 4 one ends and axle 4 pulled out between the preceding end 25 and the mansion 13, back from the other end, then should be replaceable by the part that the toe lasting 1 and the preceding ends 25 are formed jointly.Fig. 7 is this removable another technical scheme of part of being made up of jointly the toe lasting and the preceding end, in this scheme, rear portion with end 7 in deformation behavior preceding from after detachably be inlaid with a blade that is bent upwards 8 with certain rigidity and intensity, this blade 8 is hinged with the back end of being made up of the end 2 in the back and back outer bottom 1 11 by axle 4, the preceding outer bottom 9 and the preceding interior end 7 with strain and anti-wear performance, are joined together to form the preceding end 6, toe lasting 5 was connected with the preceding end 6, preceding outer bottom 9 has one to extend rearward to the part at the end 2 in the back, the tail end of this part is connected with a strip hook 3, this hook 3 hangs in the horizontal skewed slot 10 at the end in the back 2, when this footwear during in user mode, the part that preceding outer bottom 9 extends back is in the elastic stretching state, and hook 3 is stabilized in the skewed slot 10, when can be rotated down to figure position shown in the double dot dash line end 11, back around the preceding relatively end 6 of axle 4 time, hook 3 is withdrawed from from skewed slot 10, thereby should can disassemble replacing from blade 8 by the part that the toe lasting 5 and the preceding end 6 are formed jointly.

Claims (10)

1, a kind of footwear of adjustable back height, comprise upper of a shoe, sole and heel, it is characterized in that above-mentioned sole comprises the preceding end and the end, inflexible back, above-mentioned heel comprises a movement in a curve rail plate, this guide rail is by holding guiding element and movement parts is formed, describedly hold rear portion that guiding element is fixedly connected on the end, described back and described afterwards parts are formed at the end, one axle is hinged with them between the described preceding end and described parts, described parts can rotate up and down around the described relatively preceding end of described axle, the described tail end of the described relatively parts of the bootable described movement parts of guide face at the end, described back that hold that holds guiding element slides up and down along camber line in the space up and down, the center of circle of this camber line place circle is in described the place ahead of holding guiding element, one releasable brake mechanism is installed, described relatively parts slided up and down when this brake mechanism stoped described movement parts to be subjected to external force, one releasable arrestment mechanism also is installed in addition, this arrestment mechanism stops described parts to be rotated down around the described relatively preceding end of described axle at least, under an elastic device effect, the described relatively parts of described movement parts are tending towards to lower slider, and described upper of a shoe is connected on the described preceding end and the described parts.

2, footwear according to claim 1 described adjustable back height, the rear portion that it is characterized in that the described preceding end built on stilts that makes progress is crooked table and remains the shape of this bending, so hold guiding element in the length of above-below direction less than the length of described movement parts at above-below direction, described brake mechanism comprises the stop tooth that is evenly arranged in the lip-deep contrate of described movement parts part and matches with this contrate, described stop tooth is meshed with described contrate and when keeping this engagement, stop that described relatively parts slide up and down when stating movement parts and being subjected to external force, described elastic device comprises one and the bar of flexible telescopicing performance.

3, footwear according to claim 2 described adjustable back heights, it is characterized in that the preceding end made by the material of elastically deformable, be the shape that keeps rear portion, the described preceding end to be bent upwards, be inlaid with a blade that is bent upwards with certain strength and stiffness at the rear portion at the described preceding end, described movement parts is the rectangular thing of arc that a material with certain degree and rigidity is made, its section is rectangular, on the described horizontal intrados that is evenly arranged in this movement parts, the described guide face that holds that holds guiding element holds the rear portion of guiding element at this, described described holding of holding the side of having of guide face one groove to open front is arranged in the guiding element, the rear portion of this groove communicates with the described guide face that holds, have a circle eccentric part be arranged in described the place ahead of holding guide face to the described groove that holds guiding element, this circle eccentric part by pass versatilely its centre of gyration the axle with link with the described guiding element that holds, described stop tooth is arranged on one section off-centre operation cambered surface of the described round eccentric part back lower place, have one to be installed in rotation spring in the described groove that holds guiding element by pin and to act on this circle eccentric part the rear portion of this circle eccentric part is rotated up, thereby lead the engagement of described stop tooth of system and described contrate and described movement parts is pressed on described holding on the guide face, the described described groove to open front that holds guiding element is opening shape forward, described round eccentric part centre of gyration the place ahead has a flat-shaped part of extending forward to be positioned at this to hold the groove that guiding element is opening shape forward, rotate up by handling the flat-shaped part that this circle eccentric part extends forward, and make described stop tooth break away from engagement with described contrate, thereby recover the freedom that the described relatively parts of described movement parts slide up and down, have on the intrados of described movement parts an opening forward and lead to the upper end vertical slot, described elastic device comprises an investment policy Huang, this extension spring is connected with the upper end of described movement parts by described vertical slot one end, its other end is connected with the described described pin that described rotation spring is installed in the guide slots that holds, and there is a part of protruding forward the lower end of described movement parts.

4, footwear according to claim 3 described adjustable back heights, it is characterized in that described releasable arrestment mechanism comprises that sky is enclosed within the ratchet and one and the ratchet that flexibly connects of the empty fork that is enclosed within on the described axle on the described axle, the described vanes fixed of described ratchet and rear end, the described preceding end links into an integrated entity, described vanes fixed is embedded in the rear portion at the described preceding end, under the effect of other pressing spring, described ratchet inserts in the tooth of described ratchet, this pressing spring is installed between described fork and the described ratchet, face one is to vertical hole of open front in the described back end, the rear portion that should indulge the hole communicates with the described described groove that holds in the guiding element, the enlarged that the front portion in this vertical hole has a bottom to be made of elastomeric material, the other parts at this elastomeric material and the end, described back connect together, described ratchet is positioned at this enlarged, described ratchet driving pawl centers on the direction unanimity that the relative described preceding end of described axle is rotated down around the direction of described axle rotation with described parts, when the upper end of described ratchet contacts with the end face of described back enlarged of front portion, described vertical hole at the end, stop described parts to be rotated down around the described relatively preceding end of described axle, and allow described parts to rotate up around the described relatively preceding end of described axle, there is a backguy to be connected on the described ratchet by described back its front end of vertical hole at the end, its rear end is connected on the above part of the centre of gyration of described round eccentric part, this backguy physical length between tie point before and after it is slightly larger than between its former and later two tie points the shortest connection distance by vertical hole at the end, described back, when the described part of extending forward of handling described round eccentric part rotates up, this circle eccentric part makes described backguy tensioning and moves backward and described ratchet pulled back make this ratchet break away from engagement with described ratchet, thereby recover the freedom that described parts were rotated down around the described relatively preceding end of described axle, the backguy of described tensioning is kept in touch the end face of upper end and the described back anterior enlarged in vertical hole at the end of described ratchet, and can rotate up and down around the described relatively preceding end of described axle along with described parts.

5, footwear according to claim 3 described adjustable back heights, it is characterized in that described releasable arrestment mechanism comprises that two skies are enclosed within ratchet on the described axle and two and are connected in the ratchet of described back at the end versatilely by pin, the described vanes fixed of described two ratchets and rear end, the described preceding end is linked together, described vanes fixed is embedded in rear portion, the described preceding end, described two ratchets match with described two ratchets respectively, be installed under the effect that adds the compressing tablet spring of described back at the end at two, described two ratchets insert respectively in the tooth of described ratchet of corresponding cooperation separately, the described ratchet of described two each self-driven corresponding matching of ratchet is opposite around the direction of described axle rotation, thereby stop described parts to rotate up and down around the described relatively preceding end of described axle, there is a vertical hole to open front described back at the end, the rear portion in this hole communicates with the described groove that holds guiding element, there is an enlarged front portion in this vertical hole, described two ratchets are positioned at this enlarged, having a backguy loosely partly to be divided into two stocks by this vertical Kong Qiqian is not connected with described two ratchets, its rear end is connected on the above part of the centre of gyration of described round eccentric part, when handle described round eccentric part the extension rotates up forward the time, described round eccentric part makes this backguy tensioning and moves backward, described two ratchets thereby under described effect of drawing, break away from engagement with each self-corresponding described ratchet, thus the freedom that described parts rotated up and down around the described relatively preceding end of described axle recovered.

6,, it is characterized in that described axle is detachable according to the footwear of claim 1 described adjustable back height.

7, according to the footwear of claim 3 described adjustable back heights, it is characterized in that rear portion, the described preceding end removably is embedded in described blade, the described preceding end, is hinged by this blade and described parts.

8, according to the footwear of claim 6 or 7 described adjustable back heights, it is characterized in that described upper of a shoe is separated into toe lasting and back group, described toe lasting was connected with the described preceding end, help to be connected with described parts in described back, the bottom at the described preceding end has one to extend to the below at the end, described back and be removably mounted on the part of bottom, described back, should be replaceable by part that the described toe lasting and the described preceding end are formed jointly.

9,, it is characterized in that describedly holding guiding element and described back degree is made for an integral body according to the footwear of claim 1 described adjustable back height.

10,, it is characterized in that the described guiding element that holds separates manufacturing with the end, described back, is installed in described back with the described guiding element that holds then at the end according to the footwear of claim 1 described adjustable back height.

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