CN205373834U - Electronic scale - Google Patents

Abstract

The utility model relates to an electronic scale. The weighing sensor comprises a shell, a weighing sensor and a bearing panel used for bearing an object to be measured, wherein the shell is provided with an accommodating space, the weighing sensor is arranged in the accommodating space, the bearing panel can move up and down and is arranged in the accommodating space and supported on the weighing sensor, so that the gravity of the object to be measured is transmitted to the weighing sensor through the bearing panel, and the gravity of the object to be measured is transmitted to the weighing sensor through the bearing panel. The utility model discloses a make the gravity of measurand object transmit to weighing sensor through the bearing panel, rather than the supporting legs transmission among the prior art, that is to say, whether the casing contacts to earth and can not influence measuring accuracy, is applicable to soft ground. And the problem of the leakproofness between supporting legs and the inferior valve among the prior art can not produce, and weighing sensor can enclose completely in the shell, and sealed effect is better.

Description

an electronic scale

technical field

The utility model relates to an electronic scale.

Background technique

An electronic scale is a kind of weighing instrument, which is a tool for measuring the weight of an object. Existing electronic scales generally include an upper shell, a lower shell, a load-bearing panel for carrying objects to be measured, a processor, a display, and several sets of scale foot assemblies. The upper shell and the lower shell are assembled together to form an assembly cavity in the middle. The display and the processor are installed in the cavity, and each set of scale foot components includes a support foot and a load cell, the load cell and the upper part of the support leg are placed in the assembly cavity, and the lower part of the support leg protrudes from the lower shell and touches the ground , to support the electronic scale and the object to be measured on the load-bearing panel, the gravity of the object to be measured is transmitted to the load cell through the support feet, and the processor receives the signals from each load cell and calculates the weight of the object to be weighed. The weight value is displayed on the display. And this electronic scale generally can be provided with four supporting legs. On the one hand, because the supporting legs pass through the lower shell from the assembly cavity, there will inevitably be a problem of sealing between the supporting legs and the lower shell, and pollutants such as dust and water can easily enter the assembly cavity; on the other hand, when the When used on soft ground (such as carpeted ground), due to the limited height of the supporting feet, the lower shell may touch the ground, which will affect the measurement accuracy.

Contents of the invention

The purpose of the utility model is to provide an electronic scale that can be used on soft ground.

The above-mentioned purpose is achieved through the following technical solutions:

An electronic scale, comprising a casing, a load cell and a load-bearing panel for carrying an object to be measured, the casing is provided with an accommodating space, the load cell is installed in the accommodating space, and the load-bearing panel can be moved up and down in the accommodating In the space and supported on the load cell, the gravity of the object to be measured is transmitted to the load cell through the load-bearing panel, so that the gravity of the measured object is transmitted to the load cell through the load-bearing panel.

This technical solution transmits the gravity of the object to be measured to the load cell through the load-bearing panel instead of the support feet in the prior art. on soft ground. And there is no problem of sealing between the supporting foot and the lower shell in the prior art, and the load cell can be completely enclosed in the shell, so the sealing effect is better.

Above-mentioned technical scheme can adopt following measure to make further improvement:

A support plate is installed in the accommodating space, and the load cell is installed on the support plate. The technical solution can facilitate the installation of the load cell by setting the support plate.

Both the load-bearing panel and the supporting plate are planar tempered glass plates. This technical solution can ensure the levelness of the installation of the load cell, and in addition, the load-bearing panel is flat, which can make the appearance of the electronic scale more concise.

It also includes a face cover and a bottom cover, the face cover is installed on the lower side of the load-bearing panel, the bottom cover is installed on the upper side of the support plate, the lower side of the load-bearing panel and the upper side of the support plate face each other, and the load cell is Clamped between the front cover and the bottom cover. The technical solution can facilitate the mutual assembly of the load-bearing panel, the load cell and the support plate by providing the surface cover and the bottom cover.

The face cover and the lower side of the load-bearing panel are bonded together by double-sided adhesive, and the bottom cover and the upper side of the support plate are also bonded together by double-sided adhesive. The technical proposal has a simple structure and is easy to assemble.

The load cell includes a first bearing arm, a second bearing arm and an elastic strain beam, and the elastic strain beam connects the first bearing arm and the second bearing arm; the face cover is fixedly installed with the first bearing arm; the bottom cover is connected with the second bearing arm The two carrying arms are fixedly installed together. The technical solution is reasonably designed and is beneficial to transfer the force acting on the load-bearing panel to the load cell.

The bottom cover is provided with a card slot, the second bearing arm is clamped in the card slot, the face cover is provided with a protruding foot extending toward the bottom cover, the protruding foot is against the first load arm, and the face cover and the first load arm are connected by screws. Fixed installation. The technical scheme has a simple structure, is conducive to the quick assembly of the face cover, the load cell and the bottom cover, and has high assembly stability.

A load cell, one side cover and a bottom cover form a set of sensor assemblies, there are four sets of such sensor assemblies, and a set of sensor assemblies are respectively provided at the four corners of the load-bearing panel. The technical scheme facilitates the stability of the connection between the load-bearing panel and the support plate by setting four sets of sensor components, and has high measurement accuracy.

The shell is composed of an upper shell and a lower shell. The upper shell is provided with an opening communicating with the accommodation space. The load-bearing panel is located in the accommodation space and below the opening. The projected area of the opening on the horizontal plane is smaller than that of the load-bearing panel on the horizontal plane. Projected area, the upper side of the load-bearing panel used to bear the object to be measured is exposed through the opening. The technical solution can improve the effect of dustproof and waterproof by making the projected area of the opening on the horizontal plane smaller than the projected area of the load-bearing panel on the horizontal plane, and the opening can limit the load-bearing panel from leaving the accommodation space, effectively protecting the load-bearing panel.

The bottom of the lower shell is provided with anti-slip pads, and there are four anti-slip pads, and the four corners of the lower shell are respectively equipped with an anti-slip pad, and the anti-slip pads are arc-shaped. This technical solution does not need to provide protruding support feet as in the prior art, and can avoid the rollover phenomenon of the electronic scale.

The utility model has the following advantages:

(1) The utility model transmits the gravity of the object to be measured to the load cell through the load-bearing panel instead of the support feet in the prior art, that is to say, whether the shell touches the ground will not affect the accuracy of the measurement Suitable for soft ground. And there will be no sealing problem between the support foot and the lower shell in the prior art, the load cell can be completely surrounded in the shell, and the sealing effect is better;

(2) The utility model can facilitate the installation of the load cell by setting the support plate;

(3) The utility model can ensure the levelness of the installation of the load cell. In addition, the load-bearing panel is planar, which can make the appearance of the electronic scale more concise;

(4) The utility model can facilitate the mutual assembly of the load-bearing panel, the load cell and the support plate by setting the face cover and the bottom cover;

(5) The utility model does not need to be provided with protruding supporting feet as in the prior art, and can avoid the rollover phenomenon of the electronic scale.

Description of drawings

Fig. 1 shows the three-dimensional schematic view of the utility model;

Fig. 2 shows another perspective schematic diagram of the utility model;

Fig. 3 shows the three-dimensional exploded schematic view of the utility model;

Fig. 4 shows another perspective perspective exploded view of the utility model;

Fig. 5 shows a three-dimensional exploded schematic view of the sensor assembly of the present invention;

Fig. 6 shows the top view of the load cell of the present utility model;

Fig. 7 shows the top view of the utility model;

Fig. 8 shows the A-A sectional view of Fig. 7;

Fig. 9 shows a partial enlarged view of part B of Fig. 8;

FIG. 10 shows a schematic diagram after decomposing each component on the basis of FIG. 9 .

detailed description:

As shown in Figures 1 to 10, an electronic scale includes a housing 1, a load cell 2 and a load-bearing panel 3 for carrying the object to be measured, the housing 1 is provided with an accommodating space 11, and the load cell 2 is installed in the container Placed in the space 11, the load-bearing panel 3 is arranged in the accommodating space 11 and supported on the load cell 2 so that the gravity of the object to be measured is transmitted to the load cell 2 through the load-bearing panel 3.

A support plate 4 is installed in the accommodating space 11 , and the load cell 2 is installed on the support plate 4 .

Both the load-bearing panel 3 and the support plate 4 are planar tempered glass plates.

Also comprises face cover 5 and bottom cover 6, and face cover 5 is installed on the lower side 31 of load-bearing panel, and bottom cover 6 is installed on the upper side 41 of support plate, and the lower side 31 of load-bearing panel and the upper side 41 of support plate mutually Facing each other, the load cell 2 is clamped between the face cover 5 and the bottom cover 6 .

The face cover 5 and the lower side 31 of the load-bearing panel are bonded together by double-sided adhesive (not shown in the figure), and the bottom cover 6 and the upper side 41 of the support plate are also bonded by double-sided adhesive (not shown in the figure). together.

The load cell 2 includes a first load arm 21, a second load arm 22 and an elastic strain beam 23, and the elastic strain beam 23 connects the first load arm 21 and the second load arm 22; the load cell in this embodiment can be is a resistance strain sensor;

The face cover 5 and the first carrying arm 21 are fixedly installed together;

The bottom cover 6 and the second carrying arm 22 are fixedly installed together.

The bottom cover 6 is provided with a slot 61, the second bearing arm 22 is clamped in the slot 61, the face cover 5 is provided with a protruding foot 51 extending toward the bottom cover 6, the protruding foot 51 is in contact with the first bearing arm 21, The face cover 5 and the first carrying arm 21 are fixedly installed by screws 52 .

A load cell 2, one side cover 5 and a bottom cover 6 form a group of sensor assemblies, and there are four groups of such sensor assemblies, and the four corners of the load-bearing panel 3 are respectively equipped with a group of sensor assemblies. The sensor assembly is clamped between the load bearing panel 3 and the support plate 4 .

The shell 1 is composed of an upper shell 12 and a lower shell 13. The upper shell 12 is provided with an opening 14 communicating with the accommodating space 11. The load-bearing panel 3 is located in the accommodating space 11 and below the opening 14. The opening 14 is on a horizontal plane. The projected area is smaller than the projected area of the load-bearing panel 3 on the horizontal plane so that the upper shell surrounds the edge of the load-bearing panel, and the upper side 32 of the load-bearing panel for carrying the measured object is exposed through the opening 14.

The bottom of lower shell 13 is provided with anti-slip pad 15, and there are four anti-slip pads 15, and the four jiaos of lower shell 13 are respectively equipped with an anti-slip pad 15, and anti-slip pad 15 is arc-shaped.

In this embodiment, when weighing, the object to be measured (such as a measurer) stands on the load-bearing panel, the load cell deforms and sinks, and the load-bearing panel also sinks (ie moves down) at the same time. As for the sinking amount of the load-bearing panel, it is generally Not too large, it is related to the weight of the object to be measured; when the object to be measured leaves, the load cell is reset, and the load-bearing panel is also reset when it moves up. In addition, the load-bearing panel can generally be set so that it cannot move forward, backward, left, and right. For example, a guide mechanism can be provided for the load-bearing panel in the accommodation space so that the load-bearing panel can only move up and down but cannot move forward, backward, left, or right. There is no interference between the load-bearing panel and the upper shell (and shell).

After describing the preferred embodiments of the present utility model in detail, those skilled in the art can clearly understand that various changes and changes can be made without departing from the scope and spirit of the appended claims, and the utility model also Implementation is not limited to the exemplary embodiments set forth in the specification. It should be noted that the word "comprising" does not exclude other elements or steps. Additionally, any element references in the claims should not be construed as limiting the scope of the present invention.

Claims (10)

1. an electronic scale, including shell, LOAD CELLS and for carrying the load-bearing panel of measured object, shell is provided with accommodation space, LOAD CELLS is installed in accommodation space, it is characterized in that: this load-bearing panel is moving up and down to be located in accommodation space and is bearing on LOAD CELLS, so that the gravity of measured object is transferred to LOAD CELLS through load-bearing panel.

2. a kind of electronic scale according to claim 1, it is characterised in that: being provided with support plate in this accommodation space, LOAD CELLS is installed on support plate.

3. a kind of electronic scale according to claim 2, it is characterised in that: this load-bearing panel and support plate are plane armorplate glass.

4. a kind of electronic scale according to claim 2, it is characterized in that: also include cover and bottom, cover is installed on the downside of load-bearing panel, bottom is installed on the upper side of support plate, the downside of load-bearing panel is facing each other with the upper side of support plate, and LOAD CELLS is held between cover and bottom.

5. a kind of electronic scale according to claim 4, it is characterised in that:

The downside of cover and load-bearing panel is bonded together by double faced adhesive tape, and the upper side of bottom and support plate is bonded together also by double faced adhesive tape.

6. a kind of electronic scale according to claim 4, it is characterised in that:

This LOAD CELLS includes the first load bearing arm, the second load bearing arm and elastic strain beam, and this elastic strain beam connects the first load bearing arm and the second load bearing arm；

Cover and the first load bearing arm are fixedly installed togather；

Bottom and the second load bearing arm are fixedly installed togather.

7. a kind of electronic scale according to claim 6, it is characterized in that: bottom is provided with draw-in groove, the second load bearing arm is installed in draw-in groove, and cover is provided with the convex foot that bottom extends, convex foot and the first load bearing arm offset, and cover and the first load bearing arm are fixedly mounted by screw.

8. a kind of electronic scale according to claim 4, it is characterised in that: a LOAD CELLS, a cover and a bottom form one group of sensor cluster, and such sensor cluster has four groups, and the corner of this load-bearing panel is respectively provided with one group of sensor cluster.

9. a kind of electronic scale according to any claim in claim 1 to 8, it is characterized in that: shell is put together by upper casing and lower casing, upper casing is provided with the opening connected with accommodation space, load-bearing panel is arranged in accommodation space and is positioned at the lower section of opening, being opened on projected area on horizontal plane less than load-bearing panel projected area on horizontal plane, load-bearing panel is exposed through opening for the upper side carrying measured object.

10. a kind of electronic scale according to claim 9, it is characterised in that: the bottom of lower casing is provided with slipmat, anti-skidding is lined with four, and the corner of lower casing is respectively provided with a slipmat, and slipmat is curved.