CN105973365A

CN105973365A - Multifunctional electronic scale

Info

Publication number: CN105973365A
Application number: CN201610098428.3A
Authority: CN
Inventors: 申俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-20
Filing date: 2016-01-20
Publication date: 2016-09-28

Abstract

The invention discloses a multifunctional electronic scale. The multifunctional electronic scale comprises a loading plate, a first precision weighing component which is used for supporting the loading plate, a second precision weighing component which is used for supporting the loading plate and the first precision weighing component, and a force transmitting member which is used for transmitting the received pressure to the second precision weighing component. The first precision weighing component comprises an elastic support member. In a free state, the force transmitting crimp part of the loading plate is higher than the force transmitting support part of the force transmitting member. When the loading plate carries an object, the stressed loading plate presses the elastic support member and moves down. After the loading plate is stressed to a certain extent, the force transmitting crimp part crimps the force transmitting support part of the force transmitting member. The multifunctional electronic scale provided by the invention can be used as a weight electronic scale and a kitchen electronic scale, and can effectively prevent the kitchen electronic scale from being damaged when the weight of the carried object exceeds the maximum scale of the kitchen electronic scale.

Description

A kind of Multifunctional electronic scale

Technical field

The invention belongs to electronic balance structure design field, be specifically related to a kind of Multifunctional electronic scale.

Background technology

Body weight electronic scale in the market, its structure mainly includes support board, display screen, regulation switch, power module With the LOAD CELLS composition for supporting support board, its function is mainly used in human body of weighing, and is usually when object to be claimed After weight exceedes preset value, display screen just starts to show numerical value, and this preset value is usually 5 kilograms；It addition, this kind of body weight The maximum range of electronic scale is usually 180 kilograms, and scale division value is 100 grams, and error is relatively big, so this traditional body weight Electronic scale, on ordinary days in addition to weighing in, substantially cannot function as its use, especially cannot be used for using as electronic scale. And existing electronic scale, its scale division value can reach 1 gram, but its range is usually no more than 50 kilograms, so not Can use as scale.The most also having scale division value to can reach 2 grams, range can reach the electronic scale of 150 kilograms, System uses the force cell that precision is higher and range is bigger to make, but its price is much more expensive, it is impossible to universal.

Summary of the invention

It is an object of the invention to provide a kind of cost relatively low, both can be as wide range, body weight electronic scale that precision is low, again Can be as small-range, the Multifunctional electronic scale of electronic scale that precision is high.

The technical scheme realizing the object of the invention is: a kind of Multifunctional electronic scale, including support board, for supporting support board The first precision weigh assembly, for support support board and the first precision weigh the second precision of assembly weigh assembly and Weigh power of the leading part of assembly for self pressure is passed to the second precision；First precision assembly of weighing includes elastic Bearing member；Each second precision weigh assembly include having storage tank deck, be arranged in storage tank second precision dynamometry pass Spike on the second precision force cell of sensor, apical grafting, cover storage tank bottom opening and there is centralized positioning The spring lid in hole；Prop up spike to be arranged in the center positioning hole of spring lid；The power part of leading includes diapire and encloses the tubulose forming vestibule Supporting walls；The diapire crimping leading power part is arranged on deck top；The top of tubular support wall, as leading power support, carries The diapire of thing plate is as leading power pressure contact portion；Each first precision assembly of weighing includes elastic supporting piece, the first precision force-measuring sensing Device, there is the elastomeric cap of center spacing hole；Described elastic supporting piece includes elastic rod, briquetting, has the limit of limit sliding chutes Position part；Locating part is fixed on the diapire of support board, and limit sliding chutes is horizontally disposed with；The neighboring of elastomeric cap is fixed on pipe On shape supporting walls, briquetting is arranged in the center spacing hole of elastomeric cap, and the bottom of briquetting is crimped on the first precision force-measuring sensing On device；Elastic rod includes that the anticreep slide plate portion that can reciprocatingly slide in limit sliding chutes and support board place planar tilt are arranged Elastic plate portion；The bottom in elastic plate portion is rotationally connected with the top of briquetting；During free state, the leading to defeat of support board connects Portion exceeds power of the leading support leading power part；Support board carrying object time, compression elasticity supporting member under support board stress and move down, Support board is in stress to after to a certain degree, and it is led power pressure contact portion and is crimped on power of the leading support leading power part.

In such scheme, during support board stress moves down until being crimped on and leading on power part, elastic supporting piece is in elasticity Deformed state.

In such scheme, the bottom of a spike is the least significant end of this electronic scale.

The present invention in use, while having concurrently as body weight electronic scale and electronic scale, moreover it is possible at object to be claimed Weight when exceeding the maximum range of electronic scale, effectively prevent from damaging electronic scale.It addition, the present invention can use On market, existing cheap force cell is made, so greatly reducing cost, it is easy to universal.

Accompanying drawing explanation

Fig. 1 is a kind of perspective view of the present invention；

Fig. 2 is that electronic scale shown in Fig. 1 is as a kind of structural representation during electronic scale；

Fig. 3 is a kind of close-up schematic view in Fig. 2 at A；

Fig. 4 is that electronic scale shown in Fig. 1 is as a kind of structural representation during body weight electronic scale；

Fig. 5 is a kind of perspective view of the first precision force cell in electronic scale shown in Fig. 1；

Fig. 6 is a kind of perspective view when another angle is observed of the first precision force cell shown in Fig. 5；

Fig. 7 is a kind of perspective view of the second precision force cell in electronic scale shown in Fig. 1；

Fig. 8 is a kind of perspective view when another angle is observed of the second precision force cell shown in Fig. 7.

Detailed description of the invention

(embodiment 1

The present embodiment is a kind of Multifunctional electronic scale, as shown in Fig. 1 to Fig. 8, including support board 1, display screen 11, adjusts Joint switch 12, assembly 2 of weighing for four the first precision supporting support board, claim for supporting support board and the first precision Four the second precision of restructuring part are weighed assembly 3 and weighing assembly for self pressure is passed to the second precision Four lead power part 4.

In the present embodiment, the weigh concrete structure of assembly 3 of the second precision is as follows: include having storage tank 33 and draw-in groove Deck 34, the second precision force cell 31 being arranged in draw-in groove, apical grafting are on the second precision force cell 31 Prop up spike 32, cover storage tank 33 bottom opening and there is the spring lid 35 of center positioning hole 351；In the present embodiment Prop up spike 32 and include that cylindrical metal props up bracer 321 and is bonded in the slipmat 322 of bracer 321 bottom, described support Block 321 is arranged in the center positioning hole of spring lid, slipmat low go out spring lid.The concrete structure of described spring lid be include inner ring, Outer ring and connect inner ring and a plurality of spiral arm of outer ring, center positioning hole is arranged on inner ring, and its effect is positioning metal Prop up bracer, allow metal support block that self pressure is transmitted vertically downward, the most also avoid deck self pressure Directly pass to metal support block by spring lid, owing to its structure and technique effect are well known to those skilled in the art already, It is no longer carefully stated by the present embodiment.Structure this spring lid 35 similar of following elastomeric cap 24.

Power of leading part 4 in the present embodiment include being provided with the diapire 41 of buckling groove, enclose formed vestibule tubular support wall 42, Being arranged on the locating surface on tubular support wall inwall, this locating surface is a horizontal loops being radially arranged along tubular support wall 42 Shape face, diapire 41 crimping leading power part is arranged on deck 34 top.

In the present embodiment, the top of tubular support wall 42 is as leading power support 40, and the diapire of support board is defeated as leading Meet portion 10.

In the present embodiment, each first precision assembly 2 of weighing is arranged in a corresponding vestibule leading power part 4, each first essence Spend assembly 2 concrete structure of weighing as follows: include elastic supporting piece the 21, first precision force cell 22, there is center The elastomeric cap 24 of spacing hole 241；Described elastic supporting piece 21 includes elastic rod 214, briquetting 215, has limit sliding chutes The locating part 217 of 216；Locating part 217 is fixed on the diapire of support board, and limit sliding chutes 216 is horizontally disposed with；Elastic The neighboring crimping of lid 24 is fixed on the locating surface in tubular support wall, and briquetting 215 is arranged on the center of elastomeric cap In spacing hole 241, the bottom of briquetting is crimped on the first precision force cell 22；Elastic rod 214 includes can be in limit The elastic plate portion 2142 that the anticreep slide plate portion 2141 reciprocatingly slided in the chute of position and support board place planar tilt are arranged； The bottom in elastic plate portion 2142 is rotationally connected with the top of briquetting 215.

In the present embodiment, lead the tubular support wall in power part to leave enough spaces to the deformation of elastic rod, the most specially It is provided with breach 421.

In the present embodiment, as shown in Fig. 5 and Fig. 6, the first precision force cell 22 is conventional weighing mould for kitchen use Block, its range is 0 to 20 kilogram, and precision is 1 gram；This first precision force cell include the first fixed part 221, First load deformations 222 and the first resistance strain gage 223.First fixed part clamping of this first precision force cell Being fixed in the buckling groove leading power part diapire 41, the bottom of briquetting 215 is crimped in the first load deformations 222.

In the present embodiment, as shown in Fig. 7 and Fig. 8, the second precision force cell 31 is that conventional body weight weighs Sensor, its range is 5 kilograms to 180 kilograms, and (also referred to as scale division value is 100 grams to precision；This second precision dynamometry Sensor 31 includes the second fixed part the 311, second load deformations 312 and the second resistance strain gage 313.This second essence Second fixed part 311 of degree force cell is fixed in the draw-in groove of deck 34, and bracer 321 apical grafting is second In load deformations 312.

In the present embodiment, elastic rod stress deforms upon, and its anticreep slide plate portion reciprocatingly slides in limit sliding chutes, thus with The deformation of elastic rod is suitable.

Under free state, namely when not placing carrying object on support board, the diapire 10 of support board exceeds the top leading power part End.When placing carrying object on support board and in time claiming thing heavily less than 20 kilograms, by selecting suitable elastic rod, Can make support board in stress folding process, support board diapire exceeds all the time leads power part, and is in the elastic shape of elastic rod Within the scope of change.Support board passes to the first precision force-measuring sensing whole pressure of carrying object by elastic supporting piece Device, passes to the second precision force cell the most again, can make display now by regulation switch or intelligent control circuit Screen display the first precision is weighed the weight amount that assembly weighs, and ignores the second precision and weighs the weighing numerical value of assembly, this process In weighing precision can reach 1 gram, so the present embodiment can use as electronic scale.

When carrier body weight is more than 20 kilograms, support board will move down until being crimped on and lead on power part, specifically It is crimped on the top as the tubular support wall 42 leading power support 40 as the support board diapire leading power pressure contact portion 10 simultaneously On end and the first precision is weighed on assembly.Its operation principle is: support board passes through bullet the partial pressure of carrying object Property supporting member passes to the first precision force cell, passes to the second precision force cell the most again；Support board simultaneously Also remaining pressure of carrying object is directly passed to the second precision force cell by leading power part, due to during this, The deformation of elastic supporting piece will not increase again, so passed to the part of the first precision force cell by elastic supporting piece Pressure also will not increase again, by selecting suitable elastic rod, this partial pressure can be made not over the first precision dynamometry The elastic deformation tolerance range of sensor, namely the first precision force cell will not be damaged.Now by regulation switch or Person's intelligent control circuit can make display screen show the second precision weigh assembly weigh weight amount, ignore the first precision and weigh The weighing numerical value of assembly, the weighing precision during being somebody's turn to do can reach 100 grams, so the present embodiment is also used as body weight electricity Sub-scale uses.

Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not to this The restriction of the embodiment of invention.For those of ordinary skill in the field, the most also may be used To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And this Belong to obvious change that the connotation of the present invention extended out a bit or variation still falls within protection scope of the present invention.

Claims

1. a Multifunctional electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is special Levy and be: also include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and for handle Self pressure passes to the second precision and weighs power of the leading part of assembly；First precision assembly of weighing includes elastic supporting piece； Each second precision weigh the deck that assembly includes having storage tank, the second precision force cell being arranged in storage tank, The apical grafting spike on the second precision force cell, cover storage tank bottom opening and there is the spring of center positioning hole Lid；Prop up spike to be arranged in the center positioning hole of spring lid；The power part of leading includes diapire and encloses the tubular support wall forming vestibule； The diapire crimping leading power part is arranged on deck top；The top of tubular support wall as leading power support, the end of support board Wall is as leading power pressure contact portion；Each first precision assembly of weighing includes elastic supporting piece, the first precision force cell, has The elastomeric cap of center spacing hole；Described elastic supporting piece includes elastic rod, briquetting, has the locating part of limit sliding chutes；Limit Position part is fixed on the diapire of support board, and limit sliding chutes is horizontally disposed with；The neighboring of elastomeric cap is fixed on tubular support wall On, briquetting is arranged in the center spacing hole of elastomeric cap, and the bottom of briquetting is crimped on the first precision force cell；Bullet Property bar include the elastic plate that the anticreep slide plate portion that can reciprocatingly slide in limit sliding chutes and support board place planar tilt are arranged Portion；The bottom in elastic plate portion is rotationally connected with the top of briquetting；During free state, power of the leading pressure contact portion of support board exceeds leads Power of the leading support of power part；Support board carrying object time, compression elasticity supporting member under support board stress and move down, support board exists Stress is to after to a certain degree, and it is led power pressure contact portion and is crimped on power of the leading support leading power part.

Multifunctional electronic scale the most according to claim 1, it is characterised in that: support board stress moves down until crimping During leading on power part, elastic supporting piece is in elastic deformation state.

Multifunctional electronic scale the most according to claim 1, it is characterised in that: the bottom of a spike is this electronic scale Least significant end.