WO2009132574A1 - 一种可伸缩的溜冰鞋 - Google Patents

一种可伸缩的溜冰鞋 Download PDF

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Publication number
WO2009132574A1
WO2009132574A1 PCT/CN2009/071510 CN2009071510W WO2009132574A1 WO 2009132574 A1 WO2009132574 A1 WO 2009132574A1 CN 2009071510 W CN2009071510 W CN 2009071510W WO 2009132574 A1 WO2009132574 A1 WO 2009132574A1
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WO
WIPO (PCT)
Prior art keywords
buckle
positioning
disposed
shoe body
elastic member
Prior art date
Application number
PCT/CN2009/071510
Other languages
English (en)
French (fr)
Inventor
宋云飞
Original Assignee
Sung Yunfei
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sung Yunfei filed Critical Sung Yunfei
Publication of WO2009132574A1 publication Critical patent/WO2009132574A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/16—Skating boots
    • A43B5/1608—Skating boots size adjustable
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/26—Footwear characterised by the shape or the use adjustable as to length or size
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/0086—Roller skates adjustable in length to fit the size of the foot
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
    • A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type

Definitions

  • the utility model relates to the technical field of skates, and more particularly to a retractable skate.
  • Skating is a popular sport. To meet the needs of skaters of different lengths, there are a variety of skates with size adjustment in the prior art, but the adjustment process is more Complex, you need to press the positioning buckle and then move the toe to complete, the following is an example.
  • the skate comprises a toe cap, a shoe body and a positioning buckle, the shoe body comprising a toe portion and a heel portion, the heel portion being provided with a groove opening outwardly, the groove being opposite to the opening thereof
  • the periphery is provided with a protrusion, and the groove is provided with an elastic mechanism;
  • the bottom of the front end of the toe is provided with a sliding slot which can slide along the longitudinal direction of the shoe body, and a rear end of the toe is provided with a positioning hole, and the positioning hole is sleeved on the protrusion
  • the positioning hole is provided with a latching tooth on one side of the opening direction of the groove;
  • the front end of the positioning buckle is provided with a buckle corresponding to the engaging tooth, and protrudes into the groove from the opening of the groove to withstand the elastic mechanism.
  • the telescopic process is realized by pressing the positioning buckle toward the inner side to contract the elastic mechanism, thereby separating the buckle of the front end of the positioning buckle from the teeth of the positioning hole, and then moving the toe to make the sliding groove of the toe along the longitudinal direction of the shoe body. Slide, move to the appropriate length ⁇ , then release the positioning buckle, the elastic member is reset, and the snap of the positioning buckle and the latch of the positioning hole re-engage with each other.
  • the technical problem to be solved by the utility model is to provide a retractable skate which is convenient to adjust.
  • the technical solution of the present invention is: providing a retractable skate, comprising a toe cap, a shoe body, and a telescopic adjustment structure disposed between the toe cap and the shoe body,
  • the telescopic adjustment structure includes a groove having an opening on one side of the shoe body, a positioning buckle disposed in the groove, pressing between the shoe body and the positioning buckle and being along the width of the skate a first elastic member extending in a direction, a first rack provided on the toe cap, a first buckle disposed on the positioning buckle and engageable with the first rack, the telescopic adjustment structure further Included between the toe and the shoe body and along the skates a second elastic member extending and contracting in the longitudinal direction, a second rack provided on the toe cap, a second card disposed on the positioning buckle and engaging the second rack in adjusting the length of the skate
  • the second buckle is expandable and contractible in a direction perpendicular to the second rack.
  • the first rack re-engages, and the skate completes the action of extending the distance of one tooth; when the skate needs to be contracted, the toe can be completed by pressing the same button of the positioning buckle, and pressing the positioning buckle makes the first rack and the first A buckle is disengaged, the same is moved to overcome the resistance of the second elastic member, and the second buckle is contracted, and the toe is moved by a distance of the tooth. After the positioning buckle is released, the first buckle is the first The rack re-engages, and the skates complete the action of contracting a tooth distance, which is very convenient to adjust.
  • FIG. 1 is a schematic exploded view of a preferred embodiment of the present invention
  • FIG. 2 is a top plan view showing the embodiment shown in FIG. 1 in a shortest state
  • FIG. 3 is a perspective view of the three-dimensional structure of the embodiment shown in FIG. 1 in the longest state;
  • FIG. 4 is a perspective view of the positioning buckle of the embodiment shown in FIG. 1 as viewed from the upper side;
  • FIG. 5 is a perspective view showing the positioning buckle of the embodiment shown in Fig. 1 as viewed from the lower side.
  • a preferred embodiment of the retractable skate of the present invention includes a toe cap 1, a shoe body 2, and a telescopic adjustment disposed between the toe cap 1 and the shoe body 2.
  • the structure and the telescopic limit structure, the shoe body 2 is provided with a shoe shell 3 integrally formed therewith, and the telescopic movement of the skate is completed by the telescopic adjustment structure.
  • the telescopic adjustment structure includes a groove 21 having an opening on the side of the shoe body 2, a positioning buckle 4 disposed in the groove 21, and being press-fitted between the shoe body 2 and the positioning buckle 4.
  • First and can be stretched along the width of the skate The elastic member 5, the second elastic member 6 which is press-fitted between the toe 1 and the shoe body 2 and which is expandable and contractible along the longitudinal direction of the skate, and the first rack provided on the toe 1 and corresponding to the opening side of the groove 21 12.
  • a second rack 13 disposed on the toe cap 1 opposite to the first rack 12, first and second disposed on the positioning buckle 4 and engageable with the first and second racks 12, 13, respectively Buckles 41, 42.
  • the first buckle 41 is disposed on the upper surface of the positioning buckle 4, and the second buckle 42 is disposed on the inner end of the positioning buckle 4.
  • the upper surface of the positioning buckle 4 has a stepped structure, and the first buckle 41 is formed by a stepped structure.
  • the second buckle 42 can be extended and contracted in a direction perpendicular to the second rack 12, and has a slope toward the toe 1 side.
  • the second buckle 42 of the embodiment is a triangular tooth, and can also be used with other
  • the side of the toe 1 is provided with a beveled shape, such as a trapezoidal tooth, and the second buckle 42 is designed as a bevel toward the toe 1 in order to make it shrinkable under the thrust of the toe 1 .
  • a positioning hole 11 is provided at the rear end of the toe cap 1, and the first and second racks 12, 13 are respectively disposed on both sides of the positioning hole 11.
  • a limiting protrusion 22 is disposed on a periphery of the upper surface groove 21 of the shoe body 2.
  • the limiting protrusion 22 includes a semi-circular front protrusion 221 and a rear protrusion 222, and the front and rear ends of the positioning hole are respectively shaped and front.
  • the front and rear ends of the bump 221 and the rear bump 222 are fitted in a shape.
  • a positioning post 15 is disposed at the bottom of the toe cap 1.
  • the lower end of the positioning post 15 has a head portion 151 having a larger radial size, and the length of the shoe body 2 is provided with a "T" shaped chute 23, and the positioning post 23 is snapped into the "”.
  • the toe cap 1 and the shoe body 2 can realize the telescopic function and realize the reliable connection.
  • a first guide post 14 is disposed at an upper portion of the positioning post 15, and the first guide post 14 extends along the longitudinal direction of the shoe body 2, and a "T" shaped chute 23 is provided in the longitudinal direction of the shoe body 2.
  • the groove 24 is provided with a second guiding post 25 in the groove 24.
  • the second elastic member 6 is a coil spring, and the two ends are respectively sleeved on the first and second guiding columns 14, 25.
  • the second elastic member 6 can also be other elastic members having similar functions.
  • the buckle 4 positioned within the end of the buckle 4 is provided with a slot 47, equipped with an elastic member 45 in the slot 47, the elastic member 45 of the present embodiment is a coil spring, it is provided with a slot 47 in the side walls of the slot 47 a through hole 46, the second buckle 42 has a mounting portion 421 adapted to the slot 47, and a protrusion is provided at the corresponding guiding hole 46 of the mounting portion. 422, the second buckle 42 is inserted into the slot 47 through the mounting portion 421, and the inner end thereof abuts on the elastic member 45, and the protrusion 422 protrudes out of the guiding hole 46, so that the second buckle 42 can be externally applied. Down and down through the slot 47 by the limit action of the protrusion 422.
  • the lower surface of the positioning buckle 4 is provided with two mounting grooves 43, the mounting groove 43 has an opening toward the inner end of the positioning buckle 4, the first elastic member 5 is two coil springs, and is installed in the mounting groove 43 , two of which The ends are respectively held in the shoe body
  • the number of the mounting grooves 43 may also be one or more, and accordingly, the first elastic member 5 is one or a plurality of coil springs.
  • the first elastic member 5 is not limited to the coil spring, and other elastic members having similar functions may be employed.
  • a step portion 44 is respectively disposed on both sides of the upper surface of the positioning buckle 4, and the corresponding positions of the upper edges of the groove 21 are respectively directed to A stop portion 26 that cooperates with the step portion 44 extends therefrom.
  • the lower step surface of the step portion 44 is in close contact with the lower surface of the stopper portion 26.
  • the skater After the positioning buckle 4 is released, since the first elastic member 5 is also in a compressed state, the first buckle 41 will be in the first elastic member 5. Under the action, re-engage with the first rack 12, the skater completes the action of extending the distance of one tooth, if it is necessary to continue to stretch, repeatedly press the positioning buckle 4; when the skate requires shrinkage, press the positioning buckle 4 to make the first tooth
  • the strip 12 is separated from the first buckle 41,
  • the buckle 42 enters between the teeth of the second rack 13, and moves the toe cap 1 in the direction of the shoe body 2 and overcomes the resistance of the second elastic member 6, since the second buckle 42 is retractable, the toe cap 1 Moving the distance of one tooth forward, after releasing the positioning buckle 4, the first buckle 41 re-engages with the first rack 12 under the action of the first elastic member 5, and the skate completes the action of contracting a tooth distance , If you want to continue to shrink, repeat the above actions.
  • the skates of the present invention need to be stretched, and only need to press

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

说明书 一种可伸缩的溜冰鞋
技术领域
[1] 本实用新型涉及溜冰鞋技术领域， 更具体地说， 是涉及一种可伸缩的溜冰鞋。
背景技术
[2] 溜冰是一项受到广泛欢迎的体育活动， 为满足不同足长的溜冰爱好者的需要， 现有技术中出现了各式各样的具有尺码调节功能的溜冰鞋， 但其调节过程较为 复杂， 需要按压定位扣然后再移动鞋头才能完成， 以下试举一例。
[3] 该溜冰鞋包括鞋头、 鞋体和定位扣， 鞋体包括鞋头部和鞋跟部， 所述鞋跟部设 有一朝外侧开口的凹槽， 凹槽上与其开口反向处的周边设有凸块， 凹槽内设有 弹性机构； 鞋头前端底部设有一可沿鞋体纵向滑动的滑槽， 鞋头后端设有一定 位孔， 该定位孔套设在所述凸块上， 定位孔对应凹槽开口方向的一侧边设有卡 齿； 定位扣前端设有与卡齿相对应啮合的卡扣， 并从凹槽开口处伸入凹槽内， 顶住弹性机构。 其伸缩过程是这样实现的， 将定位扣朝内侧按压使弹性机构收 缩， 从而使定位扣前端的卡扣与定位孔的卡齿分离， 然后移动鞋头， 使鞋头的 滑槽沿鞋体纵向滑动， 移到适合的长度吋， 再松开定位扣， 弹性构件复位， 定 位扣的卡扣与定位孔的卡齿相互重新啮合。
对发明的公开
技术问题
[4] 本实用新型所要解决的技术问题在于提供一种调节方便的可伸缩溜冰鞋。
技术解决方案
[5] 为解决上述技术问题， 本实用新型的技术方案是： 提供一种可伸缩的溜冰鞋， 包括鞋头、 鞋体以及设在所述鞋头、 鞋体之间的伸缩调整结构， 所述伸缩调整 结构包括在所述鞋体一侧具有开口的凹槽、 设在所述凹槽内的一定位扣、 压设 在所述鞋体与所述定位扣之间并可沿溜冰鞋宽度方向伸缩的第一弹性构件、 设 在所述鞋头上的第一齿条、 设在所述定位扣上并可与所述第一齿条啮合的第一 卡扣， 所述伸缩调整结构还包括压设在所述鞋头和所述鞋体之间并可沿溜冰鞋 长度方向伸缩的第二弹性构件、 设在所述鞋头上的第二齿条、 设在所述定位扣 上并且在调节溜冰鞋长度吋可与所述第二齿条相啮合的第二卡扣， 所述第二卡 扣可沿垂直于所述第二齿条的方向伸缩。
有益效果
[6] 与现有技术相比较， 由于上述可伸缩的溜冰鞋增设有第二齿条、 第二卡扣以及 第二弹性构件， 当溜冰鞋需要伸长吋， 只需按压定位扣即可实现， 按压定位扣 使第一齿条与第一卡扣脱离， 鞋头在第二弹性构件的作用下向外侧移动， 松开 定位扣后， 第一卡扣在第一弹性构件的作用下会与第一齿条重新啮合， 溜冰鞋 完成伸长一个齿牙距离的动作； 当溜冰鞋需要收缩吋， 在按压定位扣的同吋移 动鞋头即可完成， 按压定位扣使第一齿条与第一卡扣脱离， 同吋移动鞋头并克 服第二弹性构件的阻力， 并使第二卡扣收缩， 鞋头移动一个齿牙的距离， 松开 定位扣后， 第一卡扣会与第一齿条重新啮合， 溜冰鞋完成收缩一个齿牙距离的 动作， 调节非常方便。
附图说明
[7] 图 1是本实用新型一较佳实施例的结构分解示意图；
[8] 图 2是图 1所示实施例处于最短状态吋的俯视示意图；
[9] 图 3是图 1所示实施例处于最长状态吋的立体结构示意图；
[10] 图 4是图 1所示实施例定位扣从上侧观察的立体结构示意图；
[11] 图 5是图 1所示实施例定位扣从下侧观察的立体结构示意图。
本发明的实施方式
[12] 为了使本实用新型所要解决的技术问题、 技术方案及有益效果更加清楚明白， 以下结合附图及实施例， 对本实用新型进行进一步详细说明。 应当指出， 此处 所描述的具体实施例仅仅用以解释本实用新型， 并不用于限定本实用新型。
[13] 请参照图 1至图 3， 是本实用新型可伸缩的溜冰鞋的一较佳实施例， 包括鞋头 1 、 鞋体 2以及设在鞋头 1和鞋体 2之间的伸缩调整结构和伸缩限位结构， 鞋体 2上 设有与其一体成型的鞋壳 3， 溜冰鞋的伸缩动作是由伸缩调整结构完成的。
[14] 请参照图 1， 伸缩调整结构包括设在鞋体 2—侧具有开口的凹槽 21、 设在凹槽 21 内的一定位扣 4、 压设在鞋体 2与定位扣 4之间并可沿溜冰鞋宽度方向伸缩的第一 弹性构件 5、 压设在鞋头 1和鞋体 2之间并可沿溜冰鞋长度方向伸缩的第二弹性构 件 6、 设在鞋头 1上并对应凹槽 21开口一侧的第一齿条 12、 设在鞋头 1上并与第一 齿条 12相对的第二齿条 13、 设在定位扣 4上并可分别与第一、 第二齿条 12、 13啮 合的第一、 第二卡扣 41、 42。 第一卡扣 41设在定位扣 4的上表面， 第二卡扣 42设 在定位扣 4的内端， 定位扣 4的上表面具有一台阶状结构， 第一卡扣 41由台阶状 结构所形成， 第二卡扣 42可沿垂直于第二齿条 12的方向伸缩， 其朝向鞋头 1一侧 具有一斜面， 本实施例的第二卡扣 42为三角形齿牙， 也可釆用其他在朝向鞋头 1 一侧设有斜面的形状， 如梯形齿牙， 将第二卡扣 42朝向鞋头 1一侧设计成斜面是 为了使其可在鞋头 1的推力作用下收缩， 其数量可以为一个或多个， 为与第二卡 扣 42啮合， 第二齿条 13呈锯齿状， 其与所述第二卡扣 42的斜面配合的表面亦为 斜面。
[15] 请参照图 1， 在鞋头 1的后端设有一定位孔 11， 第一、 第二齿条 12、 13分别设在 定位孔 11的两侧。 在鞋体 2上表面凹槽 21的周边设有限位凸块 22上， 限位凸块 22 包括呈半圆形的前凸块 221和后凸块 222， 定位孔前、 后端形状分别与前凸块 221 和后凸块 222前、 后端形状配合。 当溜冰鞋处于最长状态吋， 定位孔 11的内端与 凸块 222接触 （请参照图 3) ， 当溜冰鞋处于最短状态吋， 定位孔 11的外端与凸 块 221接触 （请参照图 2) 。 在鞋头 1底部设有一定位柱 15， 定位柱 15下端具有一 径向尺寸较大的头部 151， 鞋体 2的长度方向设有一" T"形滑槽 23， 定位柱 23卡入 到" T"形滑槽 23内。 这样通过定位孔 11与限位凸块 22的配合以及定位柱 15与 "T" 形滑槽 23的配合， 鞋头 1、 鞋体 2之间既可实现伸缩功能， 又能够实现可靠的连 接。
[16] 在定位柱 15的上部设有第一导向柱 14， 该第一导向柱 14沿鞋体 2的长度方向延 伸， 在鞋体 2的长度方向对应" T"形滑槽 23处设有一凹槽 24， 在凹槽 24内设有第 二导向柱 25， 第二弹性构件 6为一螺旋弹簧， 其两端分别套设在第一、 第二导向 柱 14、 25上。 第二弹性构件 6还可为其他具有类似功能的弹性构件。
[17] 定位扣 4内端设有一插槽 47， 在插槽 47内设有一弹性构件 45， 本实施例的弹性 构件 45为一螺旋弹簧， 在插槽 47的侧壁设有一与插槽 47贯通的导向孔 46， 第二 卡扣 42具有一与插槽 47适配的安装部 421， 在安装部对应导向孔 46处设有一突起 422， 第二卡扣 42通过安装部 421插设在插槽 47内， 其内端抵持在弹性构件 45上 ， 突起 422突伸出导向孔 46， 这样第二卡扣 42就可在外力作用下并通过突起 422 的限位作用沿插槽 47伸缩。
[18] 定位扣 4的下表面设有两个安装槽 43， 安装槽 43具有朝向定位扣 4内端的开口， 第一弹性构件 5为两个螺旋弹簧， 并安装在安装槽 43内， 其两端分别抵持在鞋体
2和定位扣 4与安装槽 43开口反向的内壁上。 安装槽 43的数量还可以为一个或多 个， 相应地， 第一弹性构件 5为一个或者多个螺旋弹簧。 当然， 第一弹性构件 5 不限于螺旋弹簧， 还可以釆用其他具有相似功能的弹性构件。
[19] 请参照图 1及图 4， 为更好地实现定位扣 4在凹槽 21内的定位， 定位扣 4上表面两 侧分别设有一台阶部 44， 凹槽 21上缘相应位置分别向内延伸出一与台阶部 44配 合的止档部 26。 台阶部 44的下台阶面与止档部 26的下表面紧贴。
[20] 图 2及图 3分别示出了本实施例处于最短状态吋的俯视示意图和处于最长状态吋 的立体结构示意图， 第一齿条 12与第一卡扣 41相互啮合， 第二齿条 13与第二卡 扣 42分离， 当溜冰鞋需要伸长吋， 以水平方向按压定位扣 4的外端， 第二卡扣 42 进入到第二齿条 13的齿牙之间， 第一齿条 12与第一卡扣 41脱离， 由于第二弹性 构件 6处于压缩状态， 鞋头 1在第二弹性构件 6的作用下向外侧移动， 由于第二卡 扣 42已进入到第二齿条 13的齿牙之间， 使得鞋头 1只能移动一个齿牙的距离， 松 开定位扣 4后， 由于第一弹性构件 5也处于压缩状态， 第一卡扣 41会在第一弹性 构件 5的作用下与第一齿条 12重新啮合， 溜冰鞋完成伸长一个齿牙距离的动作， 如需继续伸长， 重复按压定位扣 4; 当溜冰鞋需要收缩吋， 按压定位扣 4使第一 齿条 12与第一卡扣 41脱离， 第二卡扣 42进入到第二齿条 13的齿牙之间， 同吋向 鞋体 2的方向移动鞋头 1并克服第二弹性构件 6的阻力， 由于第二卡扣 42可伸缩， 鞋头 1向前移动一个齿牙的距离， 松开定位扣 4后， 第一卡扣 41会在第一弹性构 件 5的作用下与第一齿条 12重新啮合， 溜冰鞋完成收缩一个齿牙距离的动作， 如 需继续收缩， 重复以上动作。 相较于现有技术， 本实用新型的溜冰鞋需要伸长 吋， 只需按压定位扣 4即可实现， 溜冰鞋需要收缩吋， 在按压定位扣 4的同吋移 动鞋头 1即可完成， 调节非常方便。
[21] 以上所述仅为本实用新型的较佳实施例而已， 并不用以限制本实用新型， 凡在 本实用新型的精神和原则之内所作的任何修改、 等同替换和改进等' 均应包含 在本实用新型的保护范围之内。

Claims

权利要求书
[1] 一种可伸缩的溜冰鞋， 包括鞋头、 鞋体以及设在所述鞋头、 鞋体之间的伸 缩调整结构， 所述伸缩调整结构包括在所述鞋体一侧具有开口的凹槽、 设 在所述凹槽内的一定位扣、 压设在所述鞋体与所述定位扣之间并可沿溜冰 鞋宽度方向伸缩的第一弹性构件、 设在所述鞋头上的第一齿条、 设在所述 定位扣上并可与所述第一齿条啮合的第一卡扣， 其特征在于： 所述伸缩调 整结构还包括压设在所述鞋头和所述鞋体之间并可沿溜冰鞋长度方向伸缩 的第二弹性构件、 设在所述鞋头上的第二齿条、 设在所述定位扣上并且在 调节溜冰鞋长度吋可与所述第二齿条相啮合的第二卡扣， 所述第二卡扣可 沿垂直于所述第二齿条的方向伸缩。
[2] 如权利要求 1所述的可伸缩的溜冰鞋， 其特征在于： 所述第二卡扣朝向所述 鞋头一侧具有一斜面。
[3] 如权利要求 2所述的可伸缩的溜冰鞋， 其特征在于： 所述第二齿条呈锯齿状
， 其与所述第二卡扣的斜面配合的表面亦为斜面。
[4] 如权利要求 1、 2或 3所述的可伸缩的溜冰鞋， 其特征在于： 所述定位扣内端 设有一插槽， 在所述插槽内设有一弹性构件， 在所述插槽的侧壁设有一与 所述插槽贯通的导向孔， 所述第二卡扣具有一与所述插槽适配的安装部， 在所述安装部对应所述导向孔处设有一突起， 所述第二卡扣通过所述安装 部插设在所述插槽内， 其内端抵持在所述弹性构件上， 所述突起突伸出所 述导向孔。
[5] 如权利要求 1所述的可伸缩的溜冰鞋， 其特征在于： 所述定位扣的下表面设 有至少一个安装槽， 所述安装槽具有朝向定位扣内端的开口， 所述第一弹 性构件安装在所述安装槽内， 其两端分别抵持在所述鞋体和所述定位扣与 安装槽开口反向的内壁上。
[6] 如权利要求 1所述的可伸缩的溜冰鞋， 其特征在于： 在所述鞋头、 鞋体之间 还设有伸缩限位结构， 所述伸缩限位结构包括设在所述鞋体上表面所述凹 槽周边的凸块以及位于所述鞋头并可套设在所述凸块上的一定位孔。
[7] 如权利要求 6所述的可伸缩的溜冰鞋， 其特征在于： 所述定位孔前、 后端形 状分别与所述伸缩限位结构前、 后端形状配合。
[8] 如权利要求 6所述的可伸缩的溜冰鞋， 其特征在于： 所述第一齿条设在所述 定位孔对应所述凹槽开口的一侧， 所述第二齿条设在所述定位孔与所述第 一齿条相对的一侧。
[9] 如权利要求 1或 6所述的可伸缩的溜冰鞋， 其特征在于： 所述伸缩限位结构 包括设在所述鞋头底部的一定位柱， 所述定位柱下端具有一径向尺寸较大 的头部， 所述鞋体的长度方向设有一 "T"形滑槽， 所述定位柱卡入到所述" T
"形滑槽内。
[10] 如权利要求 9所述的可伸缩的溜冰鞋， 其特征在于： 所述第二弹性构件为一 螺旋弹簧。
[11] 如权利要求 10所述的可伸缩的溜冰鞋， 其特征在于： 在所述定位柱的上部 设有第一导向柱， 所述第一导向柱沿所述鞋体的长度方向延伸， 在所述鞋 体的长度方向对应所述" T"形滑槽处设有一凹槽， 在所述凹槽内设有第二导 向柱， 所述第二弹性构件的两端分别套设在所述第一、 第二导向柱上。
[12] 如权利要求 1所述的可伸缩的溜冰鞋， 其特征在于： 所述定位扣的上表面具 有一台阶状结构， 所述第一卡扣由所述台阶状结构所形成。
[13] 如权利要求 1所述的可伸缩的溜冰鞋， 其特征在于： 所述定位扣上表面两侧 分别设有一台阶部， 所述凹槽上缘相应位置分别向内延伸出一止档部， 所 述台阶部的下台阶面与所述止档部的下表面紧贴。
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