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Load cell components and electronic balances

A technology of load cells and components, applied in the detailed information of weighing equipment, instruments, weighing, etc., can solve problems such as damage, damage to the balance, imperfect overload protection function, etc., to achieve the effect of simple structure and easy installation

Active Publication Date: 2022-04-12
METTLER TOLEDO INSTR SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, during the use and transportation of electronic balances, if there is no overload protection or the overload protection function is not perfect, it is easy to be damaged by static or dynamic impact force.
Common imperfect overload protection functions mainly include: the overload force difference between eccentric overload and central overload can lead to protection failure and damage the balance; the overload protection structure of many load cells is made on the balance shell cover, for a single When the load cell is transported, it does not play the role of overload protection. The patent announcement No. US4574898 discloses an electronic balance with an overload protection structure on the shell. By installing a stopper around the balance, it can avoid damage to the balance due to overload. , but does not provide protection for the transport of individual sensors

Method used

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  • Load cell components and electronic balances
  • Load cell components and electronic balances
  • Load cell components and electronic balances

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Embodiment Construction

[0025] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0026] see Figure 1 to Figure 6 As shown, the present invention provides a load cell assembly, a force receiving part 1 , a weighing unit 3 , a force transmitting part 2 and a stop part.

[0027] The force receiving part 1 includes a base part 11 and a cylindrical connecting part 12 vertically extending downward from the base part 11 .

[0028] The weighing unit 3 includes a movable part 31 , a fixed part 32 and a parallel guide assembly 33 connecting the movable part 31 and the fixed part 32 together. The parallel guide assembly 33 includes an upper parallel guide piece 331 and a lower parallel guide piece 332 . The upper parallel guide piece 331 and the lower parallel guide piece 332 are all provided with grooves, and the upper and / or lower surfaces of the upper parallel guide piece 331 and the lower parallel guide piece 332 are provided with grooves ...

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PUM

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Abstract

The invention provides a weighing sensor assembly, which includes a force receiving part, a weighing unit, a force transmitting part and a stop part. The weighing unit includes a movable part, a fixed part and a parallel guide assembly connecting the movable part and the fixed part together. The force transmission member includes a first mounting portion for mounting the force receiving portion, a second mounting portion for mounting to the movable portion, and a parallel guide connection assembly connecting the first mounting portion and the second mounting portion together, Under the action of the load force, the first installation part can move downward in parallel with respect to the second installation part in the vertical direction, and the force transmission part is an integral structure; the stopper part is used to prevent The first mounting portion of the force transmission member is further moved downwards for the effect of overload protection. The present invention also provides an electronic balance including the above load cell assembly. The weighing sensor assembly and the electronic balance of the present invention are simple in structure, easy to install, and can realize the function of preventing overload at the same time.

Description

technical field [0001] The invention relates to a weighing sensor assembly and an electronic balance, in particular to an overload-proof weighing sensor assembly and an electronic balance. Background technique [0002] In the prior art, during use and transportation, if there is no overload protection or the overload protection function is not perfect, the electronic balance is easily damaged by static or dynamic impact force. Common imperfect overload protection functions mainly include: the overload force difference between eccentric load overload and center overload can lead to protection failure and damage the balance; the overload protection structure of many load cells is made on the balance shell cover, for a single When the load cell is transported, it does not play the role of overload protection. The patent announcement No. US4574898 discloses an electronic balance with an overload protection structure on the casing. By installing a stopper around the balance, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01G21/00G01G23/00
Inventor 孙卫祥吴超杨春卞乃凤
Owner METTLER TOLEDO INSTR SHANGHAI
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