WO2021082876A1 - 一种卷线盘的导线及卷线盘和人体成分检测秤 - Google Patents

一种卷线盘的导线及卷线盘和人体成分检测秤 Download PDF

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Publication number
WO2021082876A1
WO2021082876A1 PCT/CN2020/119641 CN2020119641W WO2021082876A1 WO 2021082876 A1 WO2021082876 A1 WO 2021082876A1 CN 2020119641 W CN2020119641 W CN 2020119641W WO 2021082876 A1 WO2021082876 A1 WO 2021082876A1
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WIPO (PCT)
Prior art keywords
section
wire
reel
turntable
fixed section
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PCT/CN2020/119641
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English (en)
French (fr)
Inventor
林腾庭
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广东乐心医疗电子股份有限公司
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Publication of WO2021082876A1 publication Critical patent/WO2021082876A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details

Definitions

  • This application relates to the technical field of human body composition detection, in particular to a wire of a reel.
  • the application also relates to a reel containing the wire.
  • the application also relates to a human body composition detection scale containing the reel.
  • the existing device for body composition detection is a body fat scale.
  • the body fat scale mainly includes a scale body and a handle. When in use, both feet are placed on the electrodes of the scale body, and the electrodes of the handle are held between the handle and the scale body. Connected by wires. In order to facilitate the winding and unwinding of the wires, a reel for winding the wires is often set in the scale body.
  • the wire in the reel is divided into two connected sections, one is a telescopic section, and the other is a fixed section.
  • the telescopic section is wound on one side of the turntable in the reel, and one end of the telescopic section is connected with the handle.
  • the fixed section is loosely wound on the other side of the disk surface of the turntable, one end of the fixed section is fixed to the shell of the reel, and the section connecting the fixed section and the telescopic section is positioned on the turntable.
  • the turntable drives the loosely wound fixed section to gradually wind up and tighten, but the total length of the fixed section does not change after tightening.
  • One end of the fixed section always keeps the relative position of the reel housing unchanged, and this end can maintain stable conductive contact with the fixed terminal in the scale body.
  • the fixed section will not be pulled out of the reel, the fixed section will also generate resistance to the rotation of the turntable due to its own elasticity, which will cause the wire of the reel to be unsmoothly retracted.
  • the purpose of this application is to provide a wire of a reel to realize the smooth retracting and unwinding of the wire.
  • Another object of the present application is to provide a reel containing the wire, so as to realize the smooth storage and unwinding of the wire.
  • Another object of the present application is to provide a body composition detection scale including the reel to realize the smooth retracting and unwinding of the wire.
  • a wire of a wire reel comprising a connected telescopic section and a fixed section, the telescopic section can be drawn out from the reel, the fixed section is used to be built in the reel, and the fixed section
  • the softness of the segment is higher than the softness of the stretchable segment.
  • the fixed section is a flat wire
  • the telescopic section is a round cross-section wire or an elliptical cross-section wire.
  • the cross-sectional size of the fixed section is smaller than the cross-sectional size of the telescopic section.
  • the fixed section and the telescopic section both include a wire core and an outer covering sheathed on the outside of the wire core, wherein the softness of the wire core of the fixed section is higher than that of the wire core.
  • the softness of the wire core of the stretch section is higher than that of the wire core.
  • the softness of the outer covering of the fixed section is higher than the softness of the outer covering of the telescopic section.
  • the softness of the wire core of the fixed section is higher than the softness of the wire core of the telescopic section.
  • the telescopic section further contains fiber filaments.
  • the telescopic section and the fixed section are connected by welding or by connecting terminals.
  • the present application also provides a reel, including a casing, a turntable and a wire, the turntable is rotatably connected in the casing, the wire is the wire as described in any one of the above, and the telescopic section of the wire Wrapped on one side of the turntable, the fixed section is loosely wound on the other side of the turntable, one end of the telescopic section extends out of the housing, and one end of the fixed section is positioned at The casing, the other end of the telescopic section and the other end of the fixed section are connected, and the connected section is positioned on the turntable, and the fixed section is wound as the telescopic section is unrolled Tighten.
  • the center of the turntable is provided with a bending slot and a through hole, and the section connecting the telescopic section and the fixed section is fitted and positioned in the bending slot And pass through the through hole.
  • the bending slot is provided in the center of the other side of the turntable.
  • the turntable has a double-layer structure, and the bending slot is arranged in a central position between the double-layer structures.
  • the reel further includes a reset elastic member connected to the turntable and the housing for resetting the turntable to the telescopic section. Rewinding position.
  • the application also provides a human body composition detection scale, including a scale body, a handle, and a reel, the reel is the reel as described in any one of the above, and the telescopic section of the wire of the reel One end of the wire is connected to the handle, and one end of the fixed section of the wire is electrically connected to the internal component of the scale body.
  • the wire of the reel provided in the present application includes a connected telescopic section and a fixed section.
  • the telescopic section is used to be drawn out from the reel, and the fixed section is used to be built in the reel.
  • the softness of the fixed section is higher than the telescopic section The softness of the segment. Therefore, when the telescopic section is drawn out from the reel or wound in the reel, the turntable of the reel rotates, because the fixed section is built in the reel, and the two ends of the fixed section are connected to the turntable and The shell of the reel, the turntable drives the fixed section to perform winding and unwinding operations.
  • the winding and unwinding operations of the fixed section are better than those of the telescopic section. It is easy and does not produce large resistance, therefore, the winding and unwinding of the wire of the reel is smoother.
  • the wire reel provided in this application adopts the wire in this application, and therefore has the same technical effect as the wire, which will not be repeated here.
  • the human body composition detection scale provided in this application adopts the reel in this application, and therefore has the same technical effect as the reel, and will not be repeated here.
  • FIG. 2 is a schematic diagram of an exploded structure of a reel provided by an embodiment of the application.
  • FIG. 3 is a schematic structural diagram of a reel with a face shell removed according to an embodiment of the application
  • FIG. 4 is a schematic structural diagram of a reel with the bottom shell removed according to an embodiment of the application.
  • FIG. 5 is a schematic structural diagram of a wire of a reel provided by an embodiment of the application.
  • 1 is the scale body
  • 2 is the reel
  • 21 is the surface shell
  • 22 is the turntable
  • 221 is the bending slot
  • 23 is the reset elastic member
  • 24 is the bottom shell
  • 3 is the handle
  • 5 is the wire
  • 50 is the Through holes 51 are telescopic sections
  • 52 are fixed sections.
  • the core of this application is to provide a wire of the reel, which realizes the smooth retracting and unwinding of the wire.
  • the application also provides a reel containing the wire, which realizes the smooth retracting and unwinding of the wire.
  • the application also provides a human body composition detection scale including the reel, which realizes the smooth retracting and unwinding of the wire.
  • an embodiment of the present application provides a wire 5 of a reel, which includes a telescopic section 51 and a fixed section 52 connected to each other.
  • the telescopic section 51 is used to withdraw or retract from the reel 2 It is wound in the reel 2, the fixed section 52 is used to be built in the reel 2, and the softness of the fixed section 52 is higher than that of the telescopic section 51.
  • the turntable 22 of the reel 2 rotates. Since the fixed section 52 is built into the reel 2 and the two ends of the fixed section 52 are respectively connected to the turntable 22 and the housing of the reel 2, the turntable 22 drives the fixed section 52 to perform winding and unwinding operations. Since the softness of the fixed section 52 is higher than the softness of the telescopic section 51, the winding and unwinding operations of the fixed section 52 are easier than that of the telescopic section 51, and no greater resistance is generated. Therefore, the wire 5 of the reel 2 can be retracted more smoothly.
  • the fixed section 52 is a flat wire
  • the telescopic section 51 is a round cross-section wire or an elliptical cross-section wire.
  • the flat wire has better flexible bending performance than the round or elliptical cross-section wire. Therefore, when the fixed section 52 is reeled and unwinded, the force required is smaller, so that the wire 5 of the reel 2 can be reeled and unwinded more smoothly. .
  • the cross-sectional size of the fixed section 52 is smaller than the cross-sectional size of the telescopic section.
  • both the fixed section 52 and the telescopic section 51 may include an outer sheath and a wire core, and the softness of the wire core of the fixed section 52 is higher than the softness of the wire core of the telescopic section 51.
  • the softness of the outer cover of the fixed section 52 is higher than the softness of the outer cover of the telescopic section 51.
  • the outer skin of suitable material is selected to make the outer skin of the fixed section 52 softer.
  • the wire core of the fixed section 52 and the wire core of the telescopic section 51 may be of the same material or different materials.
  • the softness of the wire core of the fixed section 52 is higher than that of the telescopic section 51.
  • the telescopic section 51 also contains fiber filaments, and the tensile performance and bending resistance of the telescopic section 51 are improved by the fiber filaments to prevent breakage.
  • the fixed section 52 has no higher requirements for this.
  • the telescopic section 51 and the fixed section 52 are connected by welding or by connecting terminals.
  • the connection between the telescopic section 51 and the fixed section 52 it is not limited to the connection form listed in this embodiment.
  • an embodiment of the present application further provides a reel 2 including a housing, a turntable 22 and a wire 5.
  • the turntable 22 is rotatably connected in the housing, and the wire 5 is the wire 5 as described in any of the above embodiments.
  • the shell preferably includes a face shell 21 and a bottom shell 24, and the shell has a disc-shaped structure.
  • the turntable 22 is rotatably connected in the housing.
  • the telescopic section 51 of the wire 5 is wound on one side of the turntable 22, and one end of the telescopic section 51 extends out of the housing.
  • the fixed section 52 is loosely wound on the other side surface of the turntable 22, and one end of the fixed section 52 is positioned on the housing.
  • the fixed section 52 is wound and tightened along with the unwinding of the telescopic section 51 (that is, the telescopic section 51 is pulled out from the reel 2).
  • the turntable 22 is preferably a two-layer structure.
  • the telescopic section 51 is wound between the two-layer structure of the turntable 22.
  • the fixed section 52 is loosely wound on one side of the turntable 22 and is located between the turntable 22 and the shell 21. between.
  • the other end of the telescopic section 51 is connected to the other end of the fixed section 52 and the connected section is positioned on the turntable 22.
  • the center of the turntable 22 is provided with a bending slot 221 and a through hole 50, and the section connecting the telescopic section 51 and the fixed section 52 is fitted and positioned in the bending slot. 221 in and through the through hole.
  • the bending slot 221 is C-shaped, ⁇ -shaped, Z-shaped, etc.
  • the bending slot 221 can be provided in the center of the outer disk surface of the turntable 22, and a partial area of the fixed section 52 The segment can be fitted and positioned in the bending slot 221.
  • the bending slot 221 can be arranged in the center between the two-layer structure, and a part of the telescopic section 51 can be fitted and positioned in the bending slot 221.
  • the wire 5 passes through the through hole 50 to realize the segmental arrangement of the telescopic section 51 and the fixed section 52 at different positions of the turntable 22.
  • the segment connecting the telescopic section 51 and the fixed section 52 is positioned in the turntable 22 through the engagement friction between the bending slot 221 and the wire 5, so that the telescopic section 51 will not be pulled when the turntable 22 is pulled out ⁇ 52 ⁇ Fixed section 52.
  • the reel 2 further includes a reset elastic member 23, which is connected to the turntable 22 and the housing, and is used to reset the turntable 22 to the telescopic section 51 Rewinding position.
  • the reset elastic member 23 is preferably a coil spring.
  • the coil spring is installed on the outside of the disk surface of the turntable 22 away from the fixed section 51.
  • the turntable 22 rotates, so that the coil spring accumulates the restoring torque.
  • the turntable 22 automatically rotates in the reverse direction under the action of the restoring torsion of the coil spring, thereby rewinding the telescopic section 51.
  • the reset elastic member 23 may not be provided. Instead, a rotating rod connected to the center of the turntable 22 and protruding out of the housing is manually turned back to achieve manual winding-up.
  • an embodiment of the present application also provides a body composition detection scale, including a scale body 1, a handle 3, and a reel 2, wherein the reel 2 is a reel as described in any of the above embodiments.
  • the wire reel 2 one end of the telescopic section 51 of the wire 5 of the reel 2 is connected to the handle 3, and one end of the fixed section 52 of the wire 5 is electrically connected to the internal components of the scale body 1.
  • the telescopic section 51 of the wire 5 is pulled out, the telescopic section 51 is unwinded and drives the turntable 22 to rotate. Since the section connecting the telescopic section 51 and the fixed section 52 is positioned on the turntable 22, only the telescopic section 51 can be pulled out.
  • the turntable 22 drives the loosely wound fixed section 52 to be gradually wound and tightened, that is, the fixed section 52 gradually tightens toward the center of the turntable 22 and increases the number of coils. The diameter of the winding becomes smaller, but the fixed section 52 is tightened. The length is unchanged.
  • the turntable 22 rotates the retractable section 51 in the reverse direction, the fixed section 52 relaxes with the turntable 22.
  • the handle 3 can only pull out the telescopic section 51, and the turntable 22 drives the loosely wound fixed section 52 to gradually wind up and tighten, that is, the fixed section 52 gradually Tighten to the center of the turntable 22 and increase the number of windings, the diameter of the winding becomes smaller, but the total length of the fixed section 52 after tightening does not change.
  • the fixed section 52 relaxes with the turntable 22. Therefore, during the entire process of the fixed section 52 being retracted, one end of the fixed section 52 is always steadily and electrically connected to the internal components of the scale body 1 . Since the reel 2 used in the body composition detection scale in this application does not need to use a brush to electrically connect the wire 5 and the internal components of the scale body 1 rotatably, the wire 5 and the internal components of the scale body 1 are kept stable. The electrical connection of, thereby improving the consistency of the resistance of the wire 5, thereby improving the accuracy of impedance measurement. In addition, since the wire reel 2 in the present application is used, the wire 5 can be smoothly retracted and retracted.

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Abstract

一种卷线盘(2)的导线(5)以及卷线盘(2)和人体成分检测秤，其中，导线(5)包括相连的伸缩段(51)和固定段(52)，所述伸缩段(51)能够从所述卷线盘(2)抽拉出，所述固定段(52)用于内置于所述卷线盘(2)中，所述固定段(52)的柔软度高于所述伸缩段(51)的柔软度。

Description

一种卷线盘的导线及卷线盘和人体成分检测秤
相关申请的交叉引用
本申请要求2019年10月29日提交的申请号为CN201921842878.4的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本申请涉及人体成分检测技术领域，特别一种卷线盘的导线。本申请还涉及一种包含该导线的卷线盘。本申请还涉及一种包含该卷线盘的人体成分检测秤。
背景技术
现有的用于人体成分检测的装置为体脂秤，体脂秤主要包括秤体和手柄，使用时，双脚踩在秤体的电极上，手握手柄的电极，手柄和秤体之间通过导线连接。为了方便导线的收放，常在秤体内设置用于收卷导线的卷线盘。
卷线盘中的导线分为相连的两段，一段为伸缩段，另一段为固定段，伸缩段卷绕于卷线盘中的转盘的一侧盘面，伸缩段的一端与手柄连接。固定段松散地卷绕于转盘的另一侧盘面，固定段的一端固定于卷线盘的壳体，固定段和伸缩段相连的区段定位于转盘上。当导线的伸缩段从卷线盘拉出，伸缩段放卷并带动转盘转动。由于伸缩段和固定段相连的区段定位于转盘，因此，只能拉出伸缩段，转盘带动松散卷绕的固定段逐渐卷绕收紧，但固定段收紧后的总长度不变，因此，固定段的一端始终保持与卷线盘壳体的相对位置不变，该端可与秤体内的固定端子保持稳定的导电接触。
尽管固定段不会被拉出卷线盘，但固定段由于自身的弹性也会对转盘的转动产生阻力，导致卷线盘的导线收放不顺畅。
发明内容
有鉴于此，本申请的目的在于提供一种卷线盘的导线，以实现导线的顺畅收放。
本申请的另一个目的在于提供一种包含该导线的卷线盘，以实现导线的顺畅收放。
本申请的又一个目的在于提供一种包含该卷线盘的人体成分检测秤，以实现导线的顺畅收放。
为达到上述目的，本申请提供以下技术方案：
一种卷线盘的导线，包括相连的伸缩段和固定段，所述伸缩段能够从所述卷线盘抽拉出，所述固定段用于内置于所述卷线盘中，所述固定段的柔软度高于伸缩段的柔软度。
优选地，在上述的导线中，所述固定段为扁平线材，所述伸缩段为圆截面线材或椭圆截面线材。
优选地，在上述的导线中，固定段的截面尺寸小于所述伸缩段的截面尺寸。
优选地，在上述的导线中，所述固定段和所述伸缩段均包括线芯和套设在所述线芯外部的外包皮，其中，所述固定段的线芯的柔软度高于所述伸缩段的线芯的柔软度。
优选地，在上述的导线中，所述固定段的外包皮的柔软度高于所述伸缩段的外包皮的柔软度。
优选地，在上述的导线中，所述固定段的线芯的柔软度高于所述伸缩段的线芯的柔软度。
优选地，在上述的导线中，所述伸缩段内还包含纤维丝。
优选地，在上述的导线中，所述伸缩段和所述固定段焊接连接或通过连接端子连接。
本申请还提供了一种卷线盘，包括壳体、转盘和导线，所述转盘转动连接于所述壳体内，所述导线为如以上任一项所述的导线，所述导线的伸缩段卷绕于所述转盘的一侧盘面，所述固定段松散地卷绕于所述转盘的另一侧盘面，所述伸缩段的一端伸出所述壳体，所述固定段的一端定位于所述壳体，所述伸缩段的另一端和所述固定段的另一端相连接且二者相连的区段定位于所述转盘，所述固定段随着所述伸缩段放卷而卷绕收紧。
优选地，在上述的卷线盘中，所述转盘的中心设置有弯折卡槽和通孔，所述伸缩段和所述固定段相连的区段嵌合定位于所述弯折卡槽中并穿过所述通孔。
优选地，在上述的卷线盘中，所述弯折卡槽设置于所述转盘的另一侧盘面的中心。
优选地，在上述的卷线盘中，所述转盘为双层结构，所述弯折卡槽设置于所述双层结构之间的中心位置。
优选地，在上述的卷线盘中，所述卷线盘还包括复位弹性件，所述复位弹性件连接所述转盘和所述壳体，用于使所述转盘复位至所述伸缩段的收卷位置。
本申请还提供了一种人体成分检测秤，包括秤体、手柄和卷线盘，所述卷线盘为如以上任一项所述的卷线盘，所述卷线盘的导线的伸缩段的一端连接所述手柄，所述导线的固定段的一端与所述秤体的内部构件电连接。
与现有技术相比，本申请的有益效果是：
本申请提供的卷线盘的导线包括相连的伸缩段和固定段，伸缩段用于从卷线盘中抽拉出，固定段用于内置于卷线盘中，固定段的柔软度高于伸缩段的柔软度。因此，当伸缩段从卷线盘中抽拉出来或收卷于卷线盘中时，卷线盘的转盘转动，由于固定段内置于卷线盘中，且固定段的两端分别连接转盘和卷线盘的壳体，转盘带动固定段进行收卷和放卷操作，由于固定段的柔软度高于伸缩段的柔软度，因此，固定段的收卷和放卷操作相比于伸缩段更容易，不会产生较大的阻力，因此，使卷线盘的导线收放更加顺畅。
本申请提供的卷线盘采用了本申请中的导线，因此，具有与导线相同的技术效果，在此不再赘述。
本申请提供的人体成分检测秤采用了本申请中的卷线盘，因此，具有与卷线盘相同的技术效果，在此不再赘述。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面 描述中的附图仅仅是本申请的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本申请一个实施例提供的一种人体成分检测秤的内部结构示意图；
图2为本申请一个实施例提供的一种卷线盘的爆炸结构示意图；
图3为本申请一个实施例提供的一种卷线盘的去除面壳的结构示意图；
图4为本申请一个实施例提供的一种卷线盘的去除底壳的结构示意图；
图5为本申请一个实施例提供的一种卷线盘的导线的结构示意图。
其中，1为秤体、2为卷线盘、21为面壳、22为转盘、221为弯折卡槽、23为复位弹性件、24为底壳、3为手柄、5为导线、50为通孔、51为伸缩段、52为固定段。
具体实施方式
本申请的核心是提供了一种卷线盘的导线，实现了导线的顺畅收放。
本申请还提供了一种包含该导线的卷线盘，实现了导线的顺畅收放。
本申请还提供了一种包含该卷线盘的人体成分检测秤，实现了导线的顺畅收放。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
请参考图1-图5，本申请实施例提供了一种卷线盘的导线5，包括相连的伸缩段51和固定段52，伸缩段51用于从卷线盘2中抽拉出或收卷于卷线盘2中，固定段52用于内置于卷线盘2中，固定段52的柔软度高于伸缩段51的柔软度。
当伸缩段51从卷线盘2中抽拉出来或收卷于卷线盘2中时，卷线盘2的转盘22转动。由于固定段52内置于卷线盘2中，且固定段52的两端分别连接转盘22和卷线盘2的壳体，转盘22带动固定段52进行收卷和放卷操作。由于固定段52的柔软度高于伸缩段51的柔软度，因此，固定段52的收卷和放卷操作相比于伸缩段51更容易，不会产生较大的阻力。因此，使卷线盘2的导线5收放更加顺畅。
具体地，在本实施例中，固定段52为扁平线材，伸缩段51为圆截面线材或椭圆截面线材。扁平线材相较于圆截面线材或椭圆截面线材的柔软弯曲性能更好，因此，当固定段52收卷和放卷时，需要的力更小，使卷线盘2的导线5收放更加顺畅。
在本实施例中，固定段52的截面尺寸小于伸缩段的截面尺寸。导线5的截面尺寸越小，其柔软度越高，收卷和放卷所需要的力越小。
在本实施例中，固定段52和伸缩段51均可以包括外包皮和线芯，固定段52的线芯的柔软度高于伸缩段51的线芯的柔软度。选择合适材质的线芯，使固定段52的线芯更加柔软。
在本实施例中，固定段52的外包皮的柔软度高于伸缩段51的外包皮的柔软度。选择合适材质的外包皮，使固定段52的外包皮更加柔软。与此同时，固定段52的线芯与伸缩段51的线芯可以是相同材质或不同材质，优选地，固定段52的线芯的柔软度高于伸缩段51的柔软度。
在本实施例中，伸缩段51内还包含纤维丝，通过纤维丝提高伸缩段51的抗拉性能和抗弯性能，防止断裂。而固定段52对此没有较高的要求。
在本实施例中，伸缩段51和固定段52焊接连接或通过连接端子连接。只要能够实现伸缩段51和固定段52的连接即可，并不局限于本实施例所列举的连接形式。
如图1-图4所示，基于以上任一实施例所描述的导线5，本申请实施例还提供了一种卷线盘2，包括壳体、转盘22和导线5。转盘22转动连接于壳体内，导线5为如以上任一实施例所描述的导线5。壳体优选地包括面壳21和底壳24，壳体为圆饼状结构。转盘22转动连接于壳体内。导线5的伸缩段51卷绕于转盘22的一侧盘面，伸缩段51的一端伸出壳体。固定段52松散地卷绕于转盘22的另一侧盘面，固定段52的一端定位于壳体上。固定段52随着伸缩段51的放卷(即，将伸缩段51从卷线盘2向外拉出)而卷绕收紧。转盘22优选为两层结构，伸缩段51卷绕于转盘22的两层结构之间，固定段52松散地卷绕于转盘22的一侧盘面上，且位于转盘22的盘面和面壳21之间。伸缩段51的另一端和固定段52的另一端相连接且二者相连的区段定位于转盘22。
如图3所示，进一步地，在本实施例中，转盘22的中心设置有弯折卡槽221和通孔50，伸缩段51和固定段52相连的区段嵌合定位于弯折卡槽221中并穿过 通孔。具体地，弯折卡槽221为C形、Ω形、Z形等，对于具有两层结构的转盘22，弯折卡槽221可设置于转盘22的外侧盘面的中心，固定段52的部分区段可嵌合定位于弯折卡槽221中。或者，弯折卡槽221可设置于两层结构之间的中心位置，伸缩段51的部分区段可嵌合定位于弯折卡槽221中。导线5穿过通孔50，实现伸缩段51和固定段52的分段布置于转盘22的不同位置。通过弯折卡槽221与导线5之间的嵌合摩擦实现伸缩段51和固定段52相连的区段定位于转盘22中，从而使伸缩段51在拉出转盘22的过程中不会扯动固定段52。
如图2和图4所示，进一步地，在本实施例中，卷线盘2还包括复位弹性件23，复位弹性件23连接转盘22和壳体，用于使转盘22复位至伸缩段51的收卷位置。复位弹性件23优选为卷簧，对于具有两层结构的转盘22而言，卷簧安装于转盘22的远离固定段51的一侧盘面外部。随着伸缩段51的拉出，转盘22转动，使卷簧积聚回复扭力。当收线时(将伸缩段51收回到卷线盘2内)，在卷簧的回复扭力作用下，转盘22自动反向转动，从而将伸缩段51收卷。
当然，也可以不设置复位弹性件23，而是人工通过连接于转盘22中心并伸出壳体外部的转动杆反向转回，实现人工收线。
如图1所示，本申请实施例还提供了一种人体成分检测秤，包括秤体1、手柄3和卷线盘2，其中，卷线盘2为如以上任一实施例所描述的卷线盘2，卷线盘2的导线5的伸缩段51的一端连接手柄3，导线5的固定段52的一端与秤体1的内部构件电连接。
工业实用性
本申请实施例提供的卷线盘使用时，将导线5的伸缩段51拉出，伸缩段51放卷并带动转盘22转动。由于伸缩段51和固定段52相连的区段定位于转盘22，因此，只能拉出伸缩段51。转盘22带动松散卷绕的固定段52逐渐卷绕收紧，即固定段52逐渐向转盘22的中心收紧并增加绕线圈数，卷绕的直径变小，但固定段52收紧后的总长度不变。当转盘22反向转动收卷伸缩段51时，固定段52随转盘22放松。因此，固定段52在收放的整个过程中，固定段52的一端始终保持与壳体的相对位置不变。且由于固定段52的柔软度高于伸缩段51的柔软度，因此，固定段52的收卷和放卷操作相比于伸缩段51更容易，不会产生较大的阻力，因此，使卷线盘2的导线5收放更加顺畅。
应用有该卷线盘2的人体成分检测秤在使用时，双脚踩在秤体1上，手握 手柄3并将导线5的伸缩段51拉出，伸缩段51放卷并带动转盘22转动。由于伸缩段51和固定段52相连的区段定位于转盘22，因此，手柄3只能拉出伸缩段51，转盘22带动松散卷绕的固定段52逐渐卷绕收紧，即固定段52逐渐向转盘22的中心收紧并增加绕线圈数，卷绕的直径变小，但固定段52收紧后的总长度不变。当转盘22反向转动收卷伸缩段51时，固定段52随转盘22放松，因此，固定段52在收放的整个过程中，固定段52的一端始终稳定地与秤体1内部构件导电连接。由于本申请中的人体成分检测秤所使用的卷线盘2不需要采用电刷将导线5与秤体1的内部构件可转动地电连接，因此，保持了导线5与秤体1内部构件稳定的电连接，从而提高了导线5电阻的一致性，进而提高了阻抗测量的准确度。并且由于采用了本申请中卷线盘2，因此，能够实现导线5的顺畅收放。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本申请。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本申请的精神或范围的情况下，在其它实施例中实现。因此，本申请将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (14)

  1. 一种卷线盘的导线，其中，包括相连的伸缩段(51)和固定段(52)，所述伸缩段(51)能够从所述卷线盘(2)抽拉出，所述固定段(52)用于内置于所述卷线盘(2)中，所述固定段(52)的柔软度高于所述伸缩段(51)的柔软度。
  2. 根据权利要求1所述的导线，其中，所述固定段(52)为扁平线材，所述伸缩段(51)为圆截面线材或椭圆截面线材。
  3. 根据权利要求1或2所述的导线，其中，所述固定段的截面尺寸小于所述伸缩段的截面尺寸。
  4. 根据权利要求1所述的导线，其中，所述固定段(52)和所述伸缩段(51)均包括线芯和套设在所述线芯外部的外包皮，其中所述固定段(52)的线芯的柔软度高于所述伸缩段(51)的线芯的柔软度。
  5. 根据权利要求4所述的导线，其中，所述固定段(52)的外包皮的柔软度高于所述伸缩段(51)的外包皮的柔软度。
  6. 根据权利要求5所述的导线，其中，所述固定段(52)的线芯的柔软度高于所述伸缩段(51)的线芯的柔软度。
  7. 根据权利要求1至3中任一项所述的导线，其中，所述伸缩段(51)内还包含纤维丝。
  8. 根据权利要求1至7中任一项所述的导线，其中，所述伸缩段(51)和所述固定段(52)焊接连接或通过连接端子连接。
  9. 一种卷线盘，包括壳体、转盘(22)和导线(5)，所述转盘(22)转动连接于所述壳体内，其中，所述导线(5)为如权利要求1-8任一项所述的导线(5)，所述导线(5)的伸缩段(51)卷绕于所述转盘(22)的一侧盘面，所述固定段(52)松散地卷绕于所述转盘(22)的另一侧盘面，所述伸缩段(51)的一端伸出所述壳体，所述固定段(52)的一端定位于所述壳体，所述伸缩段(51)的另一端和所述固定段(52)的另一端相连接且二者相连的区段定位于所述转盘(22)，所述固定段(52)随着所述伸缩段(51)放卷而卷绕收紧。
  10. 根据权利要求9所述的卷线盘，其中，所述转盘(22)的中心设置有弯折卡槽(221)和通孔，所述伸缩段(52)和所述固定段(51)相连的区段嵌合定位于所述弯折卡槽(221)中并穿过所述通孔。
  11. 根据权利要求10所述的卷线盘，其中，所述弯折卡槽(221)设置于所述转盘(22)的另一侧盘面的中心。
  12. 根据权利要求9至11中任一项所述的卷线盘，其中，所述转盘(22)为双层结构，所述弯折卡槽(221)设置于所述双层结构之间的中心位置。
  13. 根据权利要求9至12中任一项所述的卷线盘，其中，所述卷线盘(2)还包括复位弹性件(23)，所述复位弹性件(23)连接所述转盘(22)和所述壳体，用于使所述转盘(22)复位至所述伸缩段(51)的收卷位置。
  14. 一种人体成分检测秤，包括秤体(1)、手柄(3)和卷线盘(2)，其中，所述卷线盘(2)为如权利要求9至13中任一项所述的卷线盘(2)，所述卷线盘(2)的导线(5)的伸缩段(51)的一端连接所述手柄(3)，所述导线(5)的固定段(52)的一端与所述秤体(1)的内部构件电连接。
PCT/CN2020/119641 2019-10-29 2020-09-30 一种卷线盘的导线及卷线盘和人体成分检测秤 WO2021082876A1 (zh)

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