WO2016184210A1 - 支脚称重传感器 - Google Patents

支脚称重传感器 Download PDF

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Publication number
WO2016184210A1
WO2016184210A1 PCT/CN2016/074406 CN2016074406W WO2016184210A1 WO 2016184210 A1 WO2016184210 A1 WO 2016184210A1 CN 2016074406 W CN2016074406 W CN 2016074406W WO 2016184210 A1 WO2016184210 A1 WO 2016184210A1
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WO
WIPO (PCT)
Prior art keywords
elastic body
concave
leg
support leg
load cell
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PCT/CN2016/074406
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English (en)
French (fr)
Inventor
归永
Original Assignee
永正传感(杭州)有限公司
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Publication date
Application filed by 永正传感(杭州)有限公司 filed Critical 永正传感(杭州)有限公司
Priority to US15/574,254 priority Critical patent/US10571264B2/en
Publication of WO2016184210A1 publication Critical patent/WO2016184210A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G21/00—Details of weighing apparatus
    • G01G21/23—Support or suspension of weighing platforms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G21/00—Details of weighing apparatus
    • G01G21/02—Arrangements of bearings
    • G01G21/06—Arrangements of bearings of ball or roller bearings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/06—Means for damping oscillations, e.g. of weigh beams

Definitions

  • the invention relates to a weighing measuring instrument, in particular to a foot weighing sensor.
  • the technical problem to be solved by the present invention is to provide a foot load cell, which can reduce the design complexity of the equipment to be installed with the load cell, and make the installation and modification of these devices simple, while ensuring sufficient accuracy.
  • the present invention adopts the following technical solutions:
  • a foot load cell comprising a foot, wherein a weight sensor is disposed in the leg, and an upper end of the leg is provided with a connection portion of an object to which a leg is to be mounted; and an elastic body in the load cell is the leg
  • One end of the elastic body has a concave spherical surface or a concave curved surface; the end of the elastic body having a concave spherical surface or a concave curved surface is supported on a support ball in the leg, or the support ball is supported on the support ball Concave spherical or concave curved surface.
  • the lower end of the elastic body has a concave spherical surface or a concave curved surface; the end of the elastic body having a concave spherical surface or a concave curved surface is supported on a supporting ball in the leg, and the supporting leg is provided with the support a base of the ball, the base is provided with a concave spherical surface or a concave curved surface; the support ball is rotatably located at a concave spherical surface or a concave curved surface or a blind hole of the lower end of the elastic body and a concave spherical surface or a concave curved surface of the base Meanwhile, the foot load cell is further provided with a fastening sleeve fixed to the leg by other mechanical fixing means such as screwing or welding, and the fastening sleeve is used for connecting the elastic body, the supporting ball and the base.
  • the other end of the elastic body is an external thread connection portion or an internal thread connection portion.
  • the other end of the elastic body is an externally threaded connection portion or an internally threaded connection portion; and is a connection portion of the upper end of the leg and an object to which the leg needs to be mounted.
  • the elastomer has an oblong blind hole strain zone therein.
  • fastening sleeve is fixed by other mechanical fixing means such as screwing or welding of the base.
  • the top end of the externally threaded connection portion has a groove that cooperates with the tool.
  • the groove may be a slot, a cross slot or the like.
  • a spherical neck portion is formed between the strain region of the elastic body to the concave spherical surface or the concave curved surface.
  • a circular neck portion is formed between the lower end of the strain region of the elastic body and the concave spherical surface or the concave curved surface, and the outer diameter thread connecting portion or the internal thread connection of the circular neck portion is 0.8-1.2 times in diameter.
  • the thread diameter of the part is 0.8-1.2 times in diameter.
  • end of the elastic body provided with the concave spherical surface or the concave curved surface may also adopt a blind hole.
  • a blind hole may also be adopted at the end of the base where the concave spherical surface or the concave curved surface is provided.
  • the support ball may also be a swing rod provided with a spherical surface or a circular arc surface at both ends. Further, the swing bar can move within a certain range between the blind hole of the elastic body and the blind hole of the base, but can be self-reset to ensure the vertical force.
  • the end of the elastic body provided with the concave spherical surface or the concave curved surface may also directly adopt a convex spherical surface or a convex curved surface.
  • the invention can realize the weighing of the foot, the foot has the functions of moving, supporting and adjusting the level of the device, and can be weighed, simplifying the structure of the device with the weighing function and the weighing function; Weighing at the foot to avoid installation position error when installing the load cell inside the appliance, the measurement is more accurate, and the foot load cell becomes a modular structure, and the legs are manufactured by the weighing equipment manufacturer. The installation and maintenance of the weighing device are more convenient.
  • FIG. 1 is a front elevational view showing a first embodiment of the present invention, showing an embodiment of an embodiment of a foot load cell elastic body of the present invention.
  • Figure 2 is a left side view of Figure 1.
  • Figure 3 is a plan view of Figure 1.
  • FIG. 4 is a front elevational view showing a second embodiment of the present invention, which further shows the overall structure of the legs on the basis of the first embodiment.
  • Figure 5 is a plan view of Figure 4.
  • Figure 6 is a left side view of Figure 4.
  • the load cell elastic body 40 provided in this embodiment has the strained regions 7 and 8 on the front and rear sides of the elastic body 40, and has an oblong blind hole.
  • the sensor has four symmetric through holes 3 at the upper and lower ends of the strain zone. It is also possible to have no through holes.
  • the lower end of the elastic body has a concave spherical surface 5; the upper end of the elastic body is an externally threaded connecting portion 2; and the top end of the externally threaded connecting portion has a groove 1.
  • the body shape of the elastomer may be in the form of a cylinder or other cylinder.
  • the shape of the body of the strain zone may also be a cylinder or other polygonal cylinder, the oblong blind hole being in the shape of the body.
  • a circular neck portion 6 is formed between the lower end of the strain region of the elastomer and the concave spherical surface 5, and the diameter of the circular neck portion 6 is 0.8-1.2 times the thread diameter of the external thread connecting portion 2.
  • Embodiment 2 refers to Figures 1, 2, 3, 4, 5, and 6.
  • This embodiment further describes the structure of the legs on the basis of the first embodiment.
  • the elastomer 40 in the load cell replaces one of the conventional legs and becomes a segment of the legs.
  • the end of the elastic body having the concave spherical surface 5 is supported on a support ball 13 in the leg, and the base is provided with a base 11 for supporting the support ball, and the base is provided with a concave spherical surface 14, the support ball 13 Rollably between the concave spherical surface 5 and the base concave spherical surface 14, the foot load cell is further provided with a fastening sleeve 10 screwed onto the leg, the fastening sleeve 10 is used for the elastic body 40.
  • the support ball 13 and the base 11 are coupled together so that the elastic body 40 can move around the support ball 13 within a certain range.
  • the fastening sleeve is threadedly coupled to the base.
  • the externally threaded connecting portion 2 also serves as a connecting portion for the upper end of the leg and the object to be mounted with a leg, and has a nut thereon.
  • the support ball 13 may be a steel ball, and a rubber member 12 is disposed at the bottom of the leg.

Abstract

一种支脚称重传感器，包括支脚，支脚中设置了称重传感器，支脚的上端设置和需要安装支脚的物体连接的连接部位；所述称重传感器中的弹性体（40）为所述支脚中的一段；所述弹性体（40）一端有凹球面（5）或凹弧面；所述弹性体的具有凹球面（5）或者凹弧面的这一端支撑在支脚中的支撑球（13）上，或者所述支撑球（13）支撑在所述凹球面（5）或者凹弧面上。该支脚称重传感器能够实现支脚称重，支脚既具有移动、支撑和调整设备水平的功能，又能够称重，简化设置支脚的且具有称重功能器具的功能；而且，在该支脚部位称重，避免在器具内部安装称重传感器时的安装位置误差，测量更准确，并且，支脚称重传感器成为了模块化结构，支脚由称重设备制造商制造，对设置支脚的且具有称重的器具的安装、维护都更加方便。

Description

支脚称重传感器 技术领域
本发明涉及称重计量器具，尤其涉及一种支脚称重传感器。
背景技术
目前用在平台秤、医疗用等设备中，大多采用支脚支撑设备，而将传感器固定在设备中进行称重，支脚和称重传感器各自独立，在设备中还要另外设置相应结构与称重传感器连接，而支脚则专用于移动、支撑和调整设备水平。
发明内容
本发明所要解决的技术问题是提供一种支脚称重传感器，既能够降低需安装称重传感器的设备的设计复杂性，又使这些设备安装修改简单，同时保证足够的精度。为此，本发明采用以下技术方案：
支脚称重传感器，包括支脚，其特征在于所述支脚中设置了称重传感器，所述支脚的上端设置和需要安装支脚的物体的连接部位；所述称重传感器中的弹性体为所述支脚中的一段；所述弹性体一端有凹球面或凹弧面；所述弹性体的具有凹球面或凹弧面的这一端支撑在支脚中的支撑球上，或者所述支撑球支撑在所述凹球面或凹弧面上。
进一步地，所述弹性体的下端有凹球面或凹弧面；所述弹性体的具有凹球面或凹弧面的这一端支撑在支脚中的支撑球上，所述支脚中设置有所述支撑球的底座，所述底座设有凹球面或凹弧面；所述支撑球可滚动地处在所述弹性体下端的凹球面或凹弧面或盲孔和底座的凹球面或凹弧面之间，所述支脚称重传感器还设置有螺纹旋接或焊接等其它机械固定方式固定在支脚上的紧固套，所述紧固套用于将弹性体、支撑球、底座连接在一起。
进一步地，所述弹性体的另一端为外螺纹连接部位或内螺纹连接部位。
进一步地，所述弹性体的另一端为外螺纹连接部位或内螺纹连接部位；且作为所述支脚上端的和需要安装支脚的物体的连接部位。
进一步地，所述弹性体中有长圆形盲孔应变区。
进一步地，所述紧固套和所述底座螺纹旋接或焊缝等其他机械固定方式固定。
进一步地，所述外螺纹连接部位的顶端有与工具配合的槽。所述槽可以是一字槽、十字槽等。
进一步地，所述弹性体的应变区至所述凹球面或凹弧面之间有圆形颈部。
进一步地，所述弹性体的应变区下端至所述凹球面或凹弧面之间有圆形颈部，圆形颈部的直径为0.8-1.2倍的所述外螺纹连接部位或内螺纹连接部位的螺纹直径。
进一步地，所述弹性体的设置凹球面或凹弧面的这一端，也可采用盲孔。
进一步地，所述底座的设置凹球面或凹弧面的这一端，也可采用盲孔。
进一步地，所述支撑球，也可采用两头设置有圆球面或圆弧面的摆杆。进一步的，所述摆杆可在弹性体盲孔与底座盲孔间一定范围内活动，但可自复位，确保受力垂直。
所述弹性体的设置凹球面或凹弧面的这一端，也可直接采用凸球面或凸弧面。
由于采用本发明的技术方案，本发明能够实现支脚称重，支脚既具有移动、支撑和调整设备水平的功能，又能够称重，简化设置支脚的且具有称重功能的设器具的结构；而且，在该支脚部位称重，避免在器具内部安装称重传感器时的安装位置误差，测量更准确，并且，支脚称重传感器成为了模块化结构，支脚由称重设备制造商制造，对设置支脚的且具有称重功能的器具的安装、维护都更加方便。
附图说明
图1为本发明所提供实施例1的正面示意图，显示了本发明中支脚称重传感器弹性体实施结构。
图2为图1的左视图。
图3为图1的俯视图。
图4为本发明所提供实施例2的正面示意图，其在实施例1的基础上，进一步显示了支脚的整体结构。
图5为图4的俯视图。
图6为图4的左视图。
具体实施方式
实施例1，参考图1、2、3。
本实施例所提供的称重传感器弹性体40，其弹性体40前后两面设有应变区7、8，呈长圆形盲孔，所述传感器在应变区上下端有对称的四个通孔3，也可以没有通孔。
所述弹性体的下端有凹球面5；所述弹性体的上端为外螺纹连接部位2；所述外螺纹连接部位顶端有槽1。
所述弹性体的主体形状可以呈圆柱体或其它柱形。所述应变区的主体形状也可呈圆柱体或其它多边形柱体，所述长圆形盲孔处在所述主体形状之中。
所述弹性体的应变区下端至所述凹球面5之间有圆形颈部6，圆形颈部6的直径为0.8-1.2倍的所述外螺纹连接部位2的螺纹直径。
实施例2，参照附图1、2、3、4、5、6。
本实施例在实施例1的基础上，对支脚的结构进行进一步的描述。
所述称重传感器中的弹性体40取代了常规支脚中的一段，成为所述支脚中的一段。
所述弹性体的具有凹球面5的这一端支撑在支脚中的支撑球13上，所述支脚中设置有支撑所述支撑球的底座11，底座上设有凹球面14，所述支撑球13可滚动地处在所述凹球面5和底座凹球面14之间，所述支脚称重传感器还设置有螺纹旋接在支脚上的紧固套10，所述紧固套10用于将弹性体40、支撑球13、底座11连接在一起，使弹性体40可一定范围内绕支撑球13活动。所述紧固套和所述底座螺纹连接。
外螺纹连接部位2也作为所述支脚上端的和需要安装支脚的物体连接的连接部位，其上有螺母9.
支撑球13可采用钢球，在支脚的底部设置有橡胶件12。

Claims (9)

  1. 支脚称重传感器，包括支脚，其特征在于所述支脚中设置了称重传感器，所述支脚的上端设置和需要安装支脚的物体的连接部位；所述称重传感器中的弹性体为所述支脚中的一段；所述弹性体一端有凹球面或凹弧面；所述弹性体的具有凹球面或凹弧面的这一端支撑在支脚中的支撑球上，或者所述支撑球支撑在所述凹球面或凹弧面上。
  2. 如权利要求1所述的支脚称重传感器，其特征在于所述弹性体的下端有凹球面或凹弧面；所述弹性体的具有凹球面或凹弧面的这一端支撑在支脚中的支撑球上，所述支脚中设置有所述支撑球的底座，所述底座设有凹球面或凹弧面；所述支撑球可滚动地处在所述弹性体下端的凹球面或凹弧面和底座的凹球面或凹弧面之间，所述支脚称重传感器还设置有螺纹旋接或焊接固定在支脚上的紧固套，所述紧固套用于将弹性体、支撑球、底座连接在一起。
  3. 如权利要求2所述的支脚称重传感器，其特征在于所述弹性体的另一端为外螺纹连接部位或内螺纹连接部位。
  4. 如权利要求2所述的支脚称重传感器，其特征在于所述弹性体的另一端为外螺纹连接部位或内螺纹连接部位；且作为所述支脚上端的和需要安装支脚的物体的连接部位。
  5. 如权利要求1所述的支脚称重传感器，其特征在于所述弹性体中有长圆形盲孔应变区。
  6. 如权利要求3或4所述的支脚称重传感器，其特征在于所述外螺纹连接部位的顶端有与工具配合的槽。
  7. 如权利要求1所述的支脚称重传感器，其特征在于所述弹性体的应变区至所述凹球面或凹弧面之间有圆形颈部。
  8. 如权利要求2所述的支脚称重传感器，其特征在于所述弹性体的应变区 下端至所述凹球面或凹弧面之间有圆形颈部，圆形颈部的直径为0.8-1.2倍的所述外螺纹连接部位或内螺纹连接部位的螺纹直径。
  9. 如权利要求2所述的支脚称重传感器，其特征在于所述弹性体的凹球面或凹弧面也可采用盲孔，所述底座的凹球面或凹弧面也可采用盲孔。
PCT/CN2016/074406 2015-05-15 2016-02-24 支脚称重传感器 WO2016184210A1 (zh)

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US15/574,254 US10571264B2 (en) 2015-05-15 2016-02-24 Support leg weighing sensor

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CN201520317410.9 2015-05-15
CN201520317410.9U CN205091041U (zh) 2015-05-15 2015-05-15 支脚称重传感器

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