CN105973382A

CN105973382A - Single-plate safety electronic scale

Info

Publication number: CN105973382A
Application number: CN201610094793.7A
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 single-plate safety electronic scale. The single-plate safety electronic scale comprises a loading plate, four first weighing sensor modules with first support feet, a second weighing sensor module with a second support foot, and at least one elastic support member whose height changes under an external force. The second weighing sensor module comprises a second force measuring sensor, a support mounting plate and a support post. The elastic support member comprises an upper positioning member, a lower positioning member, a resetting spring and a limit screw. The lower positioning member fixedly crimps the support mounting plate. When the weight of an object to be weighed is less than or equal to the maximum nominal weight value of the second weighing sensor module, the bottom end of the first support feet is lower than the bottom end of the second support foot. When the weight of the object to be weighed is greater than the maximum nominal weight value of the second weighing sensor module, the bottom end of the second support foot and the bottom end of the first support feet are located in the same plane. The single-plate safety electronic scale provided by the invention can be used as a weight electronic scale and a kitchen electronic scale.

Description

Veneer Safty electronic scale

Technical field

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

Background technology

Body weight electronic scale in the market, its structure mainly includes carrying disk, display screen, power module and weighing and sensing Device forms, and its function is mainly used in human body of weighing, and substantially when display screen ability after claiming weight of object to exceed preset value Starting to show numerical value, this preset value is usually 5 kilograms；It addition, the range of this kind of body weight electronic scale is usually 180 kilograms, Bigger, in order to reduce cost, the LOAD CELLS that precision is relatively low the most all selected by this kind of electronic scale, such as public affairs For jin is unit, its display numerical value is one decimal place, namely its levels of precision is hectogram.So it is 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 as kitchen electronics Scale is used.If it addition, select the LOAD CELLS that precision is higher to realize weighing, can make as electronic scale again With, be no problem technically, it is contemplated that precision to be at least up to by gram or 0.1g in units of, also want range The upper limit reaches 180 kilograms, and the cost of this LOAD CELLS will be higher, at least cannot be with conditional electronic scale in price Competition.

Summary of the invention

It is an object of the invention to provide a kind of both can be as wide range, body weight electronic scale that precision is low, again can be as little The veneer Safty electronic scale of the electronic scale that range, precision are high.

The technical scheme realizing the object of the invention is: a kind of veneer Safty electronic scale, has the including support board and four First Weighing cell module of one spike；It is characterized in that: also include that at least one has the second of second spike Weighing cell module and at least one elastic supporting piece the most highly changed；Second spike Bottom less than the bottom of first spike；Second Weighing cell module includes the second force-measuring sensing of a flat column Device, be arranged on second force cell one end supporting installing plate protruding upward, be arranged on the second force cell another End downwardly projecting support column；Described support column is as second spike；Elastic supporting piece includes being bonded and fixed at loading Upper keeper on plate diapire, it is arranged on the lower keeper immediately below keeper, reset support spring and stop screw；Lower fixed Position part crimping is fixed on supporting installing plate；The top of stop screw is screwed onto the spiral shell of keeper after passing this anticreep slide opening Kong Zhong, reset support spring, under its own resilient effect, pushes away lower keeper away from the direction of upper keeper so that it is with Gap is left between upper keeper；

First Weighing cell module includes plastic casing, the storage tank being arranged in plastic casing, is arranged on each storage tank In the first force cell, cover each storage tank opening and there is the spring lid of center positioning hole, be arranged on Huang Gai center Pillar in hole, location and the pad sticking to each pillar outboard end, the bottom of each pad is downwardly projecting in spring lid centralized positioning Hole；Each pad and corresponding one column combination form described first spike；

Second Weighing cell module includes the second force cell of a flat column, is arranged on the second force cell one End supporting installing plate protruding upward, it is arranged on the second force cell other end downwardly projecting support column；Described Support column is as second spike；

When the weight until title object on support board is less than or equal to the maximum rated weighing value of the second Weighing cell module, The bottom of first spike is less than the bottom of second spike；When the weight of the object to be claimed on support board is weighed more than second During the maximum rated weighing value of sensor assembly, elastic supporting piece forced compression entirety shortens, the bottom of second spike and The bottom of first spike is generally aligned in the same plane.

In such scheme, the whole height of elastic supporting piece changes within the scope of its elastic deformation.

In such scheme, at upper keeper bottom wall central, it is provided with screw and the upper annular spacing groove around screw, lower keeper The center on top is provided with anticreep slide opening and the lower annular spacing groove around anticreep slide opening；The upper end of reset support spring is positioned at ring In shape stopper slot, lower end is positioned in lower annular spacing groove.

The present invention both can be as wide range, body weight electronic scale that precision is low, again can be high as small-range, precision Electronic scale.Even if it addition, the weight of object to be claimed is more than the maximum rated weighing value of the second Weighing cell module, As long as its weight is less than the maximum rated weighing value of the first Weighing cell module, the second LOAD CELLS mould would not be damaged Block.

Accompanying drawing explanation

Fig. 1 is a kind of plan structure schematic diagram of the first structure of the present invention；

Fig. 2 is that shown in Fig. 1, the one of electronic scale looks up structural representation；

Fig. 3 is that electronic scale shown in Fig. 1 is as a kind of side-looking structural representation during electronic scale；

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

Fig. 5 is a kind of structural representation of the first Weighing cell module in electronic scale shown in Fig. 1；

Fig. 6 is a kind of structural representation of electronic scale Elastic supporting member shown in Fig. 1 and the second Weighing cell module.

Detailed description of the invention

(embodiment 1)

The present embodiment is a kind of veneer Safty electronic scale, as shown in Fig. 1 to Fig. 6, including support board 1, display screen 11, Regulation switch 12, power supply module 13, four have first Weighing cell module 3, of first spike 2 and have Second Weighing cell module 5 of second spike 4 and the elasticity the most highly changed are propped up Bearing member 6.

In the present embodiment, the bottom of second spike is higher than the bottom of first spike.In order to first spike can be sent out Wave the effect of weighing of application, the present embodiment elastic supporting piece advance expenditure the second Weighing cell module and support board diapire it Between.

In the present embodiment, the concrete structure of the first Weighing cell module is as follows: includes plastic casing 71, be arranged on plastics Storage tank 72, the first force cell 73 being arranged in each storage tank in housing, cover each storage tank opening and There is the spring lid 74 of center positioning hole 741, the pillar 75 being arranged in spring lid center positioning hole and stick to outside each pillar The pad 76 of side, the bottom of each pad is downwardly projecting in spring lid center positioning hole；Each pad and corresponding one column combination First spike described in formation.

In the present embodiment, the concrete structure of the second Weighing cell module is as follows: include that the second dynamometry of a flat column passes Sensor 83, it is arranged on second force cell one end supporting installing plate 89 protruding upward, is arranged on the second dynamometry and passes The sensor other end downwardly projecting support column 85；Described support column 85 is as second spike.In the present embodiment, The bottom of dagger 85 is provided with the bigger supporting part of area 851.

In the present embodiment, the concrete structure of elastic supporting piece is as follows: include the upper location being bonded and fixed on support board diapire Part 61, it is arranged on the lower keeper 62 immediately below keeper, reset support spring 63 and stop screw 64；At the bottom of upper keeper Wall center is provided with screw 611 and the upper annular spacing groove 612 around screw, and the center on lower keeper top is provided with anti- Trying to shirk responsibility hole 621 and around the lower annular spacing groove 622 of anticreep slide opening, the top of stop screw is through spiral shell after this anticreep slide opening Being connected in the screw of keeper, the upper end of reset support spring is positioned in annular spacing groove, and lower end is positioned at lower annular spacing groove In, reset support spring, under its own resilient effect, pushes away lower keeper away from the direction of upper keeper so that it is with upper Gap is left between keeper.

The first Weighing cell module in the present embodiment is conventional body weight metering module, its range be 5 kilograms to 180 Kilogram, precision (also referred to as scale division value) is 100 grams；Second Weighing cell module is conventional Weighing module for kitchen use, Its range is 0 to 10 kilogram, and precision is 1 gram.

When the present embodiment is shelved on level ground, under the action of gravity of electronic scale self and object to be claimed, multiple Position support spring shortens because receiving pressure generation elastic deformation, so that the whole height of elastic supporting piece changes, only The whole height of elastic supporting piece to be made changes within the scope of its elastic deformation, can remove at object to be claimed After, the present embodiment can restPose again.

By selecting suitable spring so that the weight of the object to be claimed on support board is less than or equal to the second LOAD CELLS mould During the maximum rated weighing value of block, namely in time claiming weight of object less than or equal to 10 kilograms, the bottom of second spike is low Bottom in first spike；Now second spike individually supports electronic scale self and the total weight of object to be claimed, Weighing precision now is up to 1 gram, such that it is able to be used as electronic scale.When the weight of the object to be claimed on support board is big When the maximum rated weighing value of the second Weighing cell module, namely in time claiming weight of object more than 10 kilograms, elastic Supporting member shortens because of forced compression entirety so that the bottom of the bottom of second spike and first spike is positioned at same flat Face.Now second spike and first spike support electronic scale self and the total weight of object to be claimed, now jointly First Weighing cell module and the second Weighing cell module all play the effect of weighing, by the intelligence computation of circuit, and can To be demonstrated the accurate weight of object to be claimed by display screen, precision now is 100 grams, and institute is as body weight electronics Scale uses.

Even if advantage of this embodiment is that when the weight of object to be claimed is more than the maximum rated title of the second Weighing cell module Value, as long as its weight is less than the maximum rated weighing value of the first Weighing cell module, would not damage second and weigh biography Sensor module.

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 veneer Safty electronic scale, has the first of first spike (2) including support board (1) and four Weighing cell module (3)；It is characterized in that: also include that at least one has the second of second spike (4) and weighs Sensor assembly (5) and at least one elastic supporting piece (6) the most highly changed；Second The bottom of spike is less than the bottom of first spike；Second Weighing cell module includes that the second dynamometry of a flat column passes Sensor (83), it is arranged on second force cell one end supporting installing plate (89) protruding upward, is arranged on the second survey The force transducer other end downwardly projecting support column (85)；Described support column (85) is as second spike；Elastic Supporting member include the upper keeper (61) being bonded and fixed on support board diapire, be arranged on immediately below keeper lower fixed Position part (62), reset support spring (63) and stop screw (64)；The crimping of lower keeper is fixed on supporting installing plate；Limit The top of position screw is screwed onto in the screw of keeper after this anticreep slide opening, and reset support spring is in its own resilient effect Under, lower keeper is pushed away away from the direction of upper keeper so that it is and leave gap between upper keeper；

First Weighing cell module includes plastic casing (71), be arranged in plastic casing storage tank (72), arrange The first force cell (73) in each storage tank, cover each storage tank opening and there is center positioning hole (741) Spring lid (74), the pillar (75) being arranged in spring lid center positioning hole and the pad (76) sticking to each pillar outboard end, The bottom of each pad is downwardly projecting in spring lid center positioning hole；Each pad and corresponding one column combination form described first Prop up spike；

Second Weighing cell module includes second force cell (83) of a flat column, is arranged on the second dynamometry biography Sensor one end supporting installing plate (89) protruding upward, it is arranged on the second force cell other end downwardly projecting Support column (85)；Described support column (85) is as second spike；

Veneer Safty electronic scale the most according to claim 1, it is characterised in that: the overall height of elastic supporting piece Degree changes within the scope of its elastic deformation.