CN216483446U - Electronic scale - Google Patents

Abstract

The utility model relates to an electronic scale, which comprises a lower shell; a scale pan fixed with the lower shell; a bearing plate; a plurality of weighing measurement components are fixedly arranged on one side surface of the bearing plate, and an accommodating cavity with two open ends is formed after the lower shell and the weighing plate are mutually fixedly arranged; an assembly body formed by assembling and fixing the bearing plate and the weighing and measuring assembly in the accommodating cavity is arranged and fixed in the accommodating cavity; a front shell assembly is fixedly installed at one end of the opening of the accommodating cavity, and a rear shell is fixedly installed at the other end of the opening; the front shell assembly is detachably and fixedly provided with an operation display assembly, and the operation display assembly is in plug-in type electric connection with the weighing measurement assembly through a lead and an electric connector.

Description

Electronic scale

Technical Field

The utility model relates to a weighing apparatus in the technology of measuring instruments, in particular to an electronic scale.

Background

The electronic scale is one kind of weighing apparatus, and is one tool for measuring the amount of matter to be measured based on Hooke's law or force lever balance principle. The electronic scale is mainly composed of a bearing system (such as a scale pan and a scale body), a force transmission conversion system (such as a lever force transmission system and a sensor) and a value indicating system (such as a dial and an electronic display instrument), and is generally divided into a fat scale, a human body scale, a kitchen scale, a postal scale and the like. The utility model is popular because of its small volume, low price, strong practicability and convenient use. With the popularization of electronic scales, more and more electronic scales are applied to various industries and various commodity transactions. But the control of electronic scale and the integration of display part all on the electronic scale balance body, this kind of mode causes must operate and weigh on the electronic scale balance body, weighs and controls under the special circumstances that the display needs the separation at some needs, can't satisfy the actual user demand, nevertheless control display part and weigh the part after the separation, brought inconvenient carrying and accomodate the scheduling problem again for the product.

Based on the above problems, it is necessary to design an electronic scale that can be used separately for weighing and controlling display and is convenient to carry and store.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the electronic scale which can be used separately for weighing and operation display and is convenient to carry and store.

To achieve the above object, an electronic scale according to the present invention includes a lower case; a scale pan fixed with the lower shell; a bearing plate; a plurality of weighing measurement components are fixedly arranged on one side surface of the bearing plate, and the lower shell and the weighing plate are mutually fixedly arranged to form an accommodating cavity with two open ends; an assembly body formed by assembling the bearing plate and the weighing and measuring assembly is fixedly arranged in the accommodating cavity; a front shell assembly is fixedly installed at one end of the opening of the accommodating cavity, and a rear shell is fixedly installed at the other end of the opening; the front shell assembly is detachably and fixedly provided with an operation display assembly, and the operation display assembly is in plug-in type electric connection with the weighing measurement assembly through a lead and an electric connector.

Furthermore, the front shell assembly comprises a first front shell, a second front shell which is fixedly installed with the first front shell, and a containing bin which is fixed on one side of the first front shell and the second front shell assembly and used for containing the control display assembly.

Furthermore, the containing bin further comprises a front bin wall, a rear bin wall, a right bin wall, a top bin wall and a bottom bin wall, wherein the front bin wall, the rear bin wall, the right bin wall, the top bin wall and the bottom bin wall are enclosed to form a containing space with an opening at one end for containing the control display assembly, a display window is formed in the top bin wall, and a taking window corresponding to the display window is formed in the bottom bin wall.

Further, the accommodating bin is fixedly installed on one side of an assembly body formed after the first front shell and the second front shell are fixedly installed through any one or at least two modes of buckle fastening, mechanical fastening, fastening middleware and gluing fixing.

Furthermore, the first front shell and the second front shell are integrally formed with fixing columns, the right wall of the accommodating bin is provided with a fixing hole, and an assembly formed by the accommodating bin and the first front shell and the second front shell in a fixed mode is fixed through screws, fixing holes and the fixing columns in a screwed mode so that the accommodating bin is fixedly installed on one side of the assembly formed by the first front shell and the second front shell in a fixed mode.

Furthermore, a bulge is convexly formed on the inner bin wall of the bottom bin wall and is positioned between the opening position of the accommodating space and the taking window; and a clamping groove matched with the protrusion is concavely arranged on the shell of the control display component.

Further, the front shell assembly is fixedly arranged at one end of the accommodating cavity through a connecting fixing piece.

Furthermore, the first front shell is provided with a first shell body, a first front shell body, a first rear shell body and a first right shell body, wherein the first front shell body, the first rear shell body and the first right shell body are formed by respectively protruding three side edges of the first shell body; the second front shell is provided with a second shell body, a second front shell body, a second rear shell body and a second right shell body, wherein the second front shell body, the second rear shell body and the second right shell body are formed by respectively protruding three side edges of the second shell body; two rows of third buckles are formed by protruding and extending the outer wall of the rear bin wall of the accommodating bin; the connecting and fixing piece comprises a base part, an assembling support part formed by annularly projecting four side edges on one side surface of the base part, and a plurality of two rows of clamping buckle mounting holes arranged in parallel and arranged at the positions of two opposite side edges on the base part; at least two fixing columns are integrally formed on the base; the front shell assembly and the connecting and fixing piece are matched and fixedly arranged together through the first buckle, the second buckle, the third buckle and the buckle mounting hole.

Furthermore, the connecting and fixing part further comprises a positioning block formed by protruding opposite side edges of the base part, an assembling block is formed between every two buckle mounting holes in a protruding mode, a first mounting step is formed between the assembling block and the base part, the first mounting step is provided with a first supporting surface positioned on the assembling block and a first abutting surface positioned on the base part, a second mounting step is formed between the base part and the assembling supporting part, and the second mounting step is provided with a second annular supporting surface positioned on the assembling supporting part and a second abutting surface positioned on the base part; after the assembly is completed, the assembly block is supported on the first assembly plate, the second assembly plate and the third assembly plate, the first supporting surface is supported on the end portion of the first assembly plate, the end portion of the second assembly plate and the end portion of the third assembly plate, and the end edge of the first assembly plate, the end edge of the second assembly plate and the end edge of the third assembly plate are supported on the first supporting surface.

Furthermore, at least two fixing columns are integrally formed on the base; each weighing and measuring bracket further comprises a bracket base plate, two opposite side edges of the bracket base plate are convexly extended to form two fixed arms, and a fixed gap is formed between the two fixed arms; and mutually matching screws, the fixed gaps and the fixed columns to mutually assemble and fix an assembly formed after the bearing plate and the weighing and measuring assembly are assembled and fixed with the connecting and fixing piece and an assembly formed after the front shell assembly is assembled and fixed.

Furthermore, the rear shell further comprises a rear shell body, a top holding part formed by protruding along the circumference of four edges of the rear shell body and two fixing columns integrally formed on the bottom surface of the rear shell body, a third mounting step is formed between the top holding part and the rear shell body, and the third mounting step further comprises a third supporting surface and a third abutting surface.

Furthermore, the rear shell is provided with a containing window and a containing box which is integrally formed on the rear shell and is provided with an opening at one end, and the opening of the containing box is communicated with the containing window; the joint of the two ends opposite to the opening of the storage box and the rear shell is provided with a cloth belt end head clamping seam, and the end part of the cloth belt is clamped at the cloth belt end head clamping seam.

Further, a part of the lead wires and the electrical connector connected to the lead wires may be concealably received in the receiving case.

Further, the bearing plate and the weighing measuring assembly are assembled and fixed to each other through the mutual matching of the screws, the fixing gaps and the fixing columns, and then an assembly body formed after the bearing plate and the weighing measuring assembly are assembled and fixed to the rear shell.

Furthermore, the scale plate is provided with a substrate, two side plates which are opposite to each other and formed by bending and extending opposite side edges of the substrate in a protruding way, two fixing plates which are opposite to each other and formed by extending opposite edges of the bending plates in a protruding way and formed by extending opposite side edges of the bending plates in a protruding way; after the assembly is finished, the scale plate is buckled on an assembly body formed after the bearing plate and the weighing and measuring assembly are assembled, the front end edge of the base plate, the front end edge of the side plate, the front end edge of the bending plate and the front end edge of the fixed plate are abutted against the second abutting surface, the second supporting surface is abutted against the front end of the base plate, the front end of the side plate, the front end of the bending plate and the front end of the fixed plate, the rear end edge of the base plate, the rear end edge of the side plate, the rear end edge of the bending plate and the rear end edge of the fixed plate are abutted against the third abutting surface, and the third supporting surface is abutted against the rear end of the base plate, the rear end of the side plate, the rear end of the bending plate and the rear end of the fixed plate; the weighing pan and the lower shell are fixed on the weighing and measuring assembly by screws, and the front end breaking edge of the lower shell abuts against the second abutting surface, the rear end edge of the lower shell abuts against the third abutting surface, the second supporting surface abuts against the front end of the lower shell, and the third supporting surface abuts against the rear end of the lower shell.

In summary, the electronic scale provided by the utility model is characterized in that the components of the electronic scale are formed in a component form, that is, the electronic scale is divided into a plurality of different components such as a weighing measurement component, a front shell component, a load-bearing plate and a rear shell, and the electronic scale is assembled after the components are assembled, so that the electronic scale is more convenient to assemble.

According to the electronic scale provided by the utility model, the operation display function and the weighing function can be used separately and can be used integrally, the practical requirement of the application scene of the operation display and the weighing separation is met, and the electronic scale has the characteristics of convenience in carrying and containing structural components of the electronic scale.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of an electronic scale according to the present invention.

Fig. 2 is an exploded view of an electronic scale according to the present invention.

Fig. 3 is a schematic perspective view of a first front case of a front case assembly of an electronic scale according to the present invention.

Fig. 4 is a schematic perspective view of a second front case of a front case assembly of an electronic scale according to the present invention.

Fig. 5 is a schematic perspective view of a receiving chamber in a front housing assembly of an electronic scale according to the present invention.

Fig. 6 is a schematic perspective view of another perspective view of a storage compartment of an electronic scale according to the present invention.

Fig. 7 is a schematic perspective view of a pan of an electronic scale according to the present invention.

Fig. 8 is a schematic perspective view of a weighing and measuring stand of an electronic scale according to the present invention.

Fig. 9 is a schematic perspective view of a manipulation display assembly of an electronic scale according to the present invention.

Fig. 10 is a schematic perspective view of a connecting fixture of an electronic scale according to the present invention.

Fig. 11 is an enlarged view of a portion a of a perspective view of a connecting fixture of an electronic balance of the present invention shown in fig. 10.

Fig. 12 is a schematic perspective view of another view of a connecting fixture of an electronic scale according to the present invention.

Fig. 13 is an enlarged view of a portion B of fig. 12 showing another perspective view of a connecting fixture of an electronic balance according to the present invention.

Fig. 14 is a schematic perspective view of a rear case of an electronic scale according to the present invention.

Fig. 15 is an enlarged view of a portion C of a perspective view of a rear case of the electronic scale of fig. 14 according to the present invention.

Fig. 16 is a perspective view of another perspective view of a rear housing of an electronic balance according to the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following embodiments are described in detail with reference to the accompanying drawings.

Unless otherwise defined, all technical and scientific terms used in the examples of this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it should also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

Meanwhile, it should be noted that the terms "first", "second", "third", and the like used in the embodiments of the present application to indicate the order of priority are only used to distinguish different components, and should not be construed as limiting the embodiments of the present application.

Referring to fig. 1 and 2, an electronic scale 100 according to the present invention includes a lower case 1; a scale pan 2 fixed with the lower shell 1; the lower shell 1 and the scale pan 2 are mutually installed and fixed to form an accommodating cavity (not shown in the figure) with two open ends; a bearing plate 3 and a plurality of weighing and measuring components 4 which are fixedly arranged on one side surface of the bearing plate 3 are fixedly arranged in the accommodating cavity; a front shell component 5 is fixedly installed at one end of the opening of the accommodating cavity, and a rear shell 6 is fixedly installed at the other end of the opening; a control display component 8 is detachably mounted and fixed on the front housing component 5, and the control display component 8 is electrically connected with the weighing measurement component 4 in a plug-in manner through a lead (not shown) and an electric connector (not shown).

Referring to fig. 1 and 2, the bearing plate 3 is fixed between the weighing pan 2 and the weighing measuring assembly 4; the weighing and measuring component 4 is fixedly arranged between the bearing plate 3 and the lower shell 1.

A manipulation display assembly 8 is mounted on one side of the front housing assembly 5, and a handle (not shown) is provided on the other side.

Referring to fig. 7, the scale 2 has a square base plate 21, two opposite side plates 22 formed by bending and extending opposite side edges of the base plate 21 perpendicularly to the base plate 21, two bent plates 23 formed by extending opposite side edges of the two side plates 22 and parallel to the base plate 21, and two fixing plates 24 formed by extending opposite side edges of the bent plates and parallel to the base plate 21. The fixing plate 24 is provided with a plurality of through holes (not shown).

Referring to fig. 8, each of the weighing and measuring assemblies 4 further includes a weighing and measuring support 41, a weighing sensor (not shown) mounted on the weighing and measuring support 41, a support pad (not shown) attached to the weighing sensor, and a non-slip pad (not shown) attached to the support pad. The weighing and measuring rack 41 further includes a square rack base 411, two opposite lateral edges of the rack base 411 are both protruded to form two L-shaped fixing arms 412 perpendicular to the rack base 411, and a fixing gap 413 is formed between the two fixing arms 412.

Referring to fig. 14 to 16, the rear housing 6 further includes a square rear housing body 61, a top supporting portion 62 formed by protruding along the circumference of the four sides of the rear housing body 61, and two fixing posts 67 integrally formed on a bottom surface of the rear housing body 61. A third mounting step 63 is formed between the supporting portion 62 and the rear housing body 61, and the third mounting step 63 further includes a third supporting surface 631 and a third supporting surface 632 perpendicular to the third supporting surface 631. During assembly, the screws are screwed and fixed with the fixing gaps 413 and the fixing columns 67, so that an assembly formed after the bearing plate 3 and the weighing and measuring assembly 4 are assembled and fixed with the rear shell 6.

Referring to fig. 14 to 16, the rear housing 6 is provided with a receiving window 64 and a receiving box 65 integrally formed on the rear housing 6 and having an opening at one end, and the opening of the receiving box 65 is communicated with the receiving window 64. The joint of the two opposite ends of the opening of the storage box 65 and the rear shell 6 is provided with a cloth belt end clamping seam (not shown in the figure), and the two ends of the cloth belt (not shown in the figure) are clamped at the cloth belt end clamping seam (not shown in the figure).

The weighing and measuring assembly 4 is electrically connected to the operation and control display assembly 8 in a plug-in manner through a wire (not shown) and an electrical connector (not shown), and a part of the wire and the electrical connector connected to the wire can be hidden in the storage box 65.

Referring to fig. 2, the front housing assembly 5 includes a first front housing 51 and a second front housing 52 fixed to the first front housing 51, and the first front housing 51 and the second front housing 53 are integrally formed as a plastic piece.

Referring to fig. 2 and fig. 3, the first front housing 51 has a first housing body 511 having a square shape, and a first front housing 512, a first rear housing 513 and a first right housing 514 respectively formed by protruding from three side edges of the first housing body 511; two adjacent side edges of the first rear side shell 513 protrude to form a first assembling plate 516 in an L shape; a plurality of first buckles 517 which are formed by protruding one side surface of the first back side housing 513 and are evenly distributed. The first front housing 51 is further provided with a hand-held opening (not shown).

Referring to fig. 2 and 4, the second front housing 52 has a second housing body 521 in a square shape, and a second front housing 522, a second rear housing 523 and a second right housing 524 respectively formed by protruding three side edges of the second housing body 512; two adjacent side edges of the second rear side housing 523 protrude to form an L-shaped second assembling plate 526; a plurality of second latches 527 which are formed by protruding one side surface of the second rear side housing and are uniformly distributed. The second front housing 521 is further provided with a carrying opening (not shown).

Referring to fig. 2, 5 and 6, the front housing assembly 5 further includes a receiving compartment 53 fixed to one side of the assembly of the first front housing 51 and the second front housing 52 for receiving the operation display assembly 8; the first front housing 51, the second front housing 52 and the accommodating chamber 53 are all integrally formed plastic parts. The accommodating chamber 53 further includes a front chamber wall 531, an upper rear chamber wall 532, a right chamber wall 533, a top chamber wall 534, and a bottom chamber wall 535, and the front chamber wall 531, the rear chamber wall 532, the right chamber wall 533, the top chamber wall 534, and the bottom chamber wall 535 enclose to form an accommodating space 536 with an opening at one end for accommodating the operation and control display module 8.

Referring to fig. 5 and fig. 6, a display window 5341 is disposed on the top bin wall 534. The bottom compartment wall 535 is provided with a pickup window 5351 corresponding to the display window 5341 and a protrusion 538 formed by protruding the inner compartment wall of the bottom compartment wall 535, and the protrusion 538 is located between the opening position of the accommodating space 536 and the pickup window 5315. Two rows of third buckles 539 and a third assembling plate 537 shaped like a U are formed on the outer wall of the rear chamber wall 532 of the accommodating chamber 53 in a protruding manner.

Referring to fig. 6 and 9, the operation display component 8 is detachably mounted and fixed in the accommodating space 536 of the accommodating chamber 53, and a retaining groove 81 matching with the protrusion is concavely formed on the housing of the operation display component 8. The protrusion 538 on the inner wall of the lower wall 535 and the retaining groove 81 recessed in the housing of the operation and control display component 8 are only one of the conventional methods for detachably mounting and fixing the operation and control display component 8 in the accommodating chamber 53, and in other preferred embodiments, the positions of the protrusion and the retaining groove in the accommodating chamber 53 and the operation and control display component 8 may be interchanged, or other equivalent methods, such as but not limited to magnetic attraction, clamping, etc., which are conventional methods for mounting and fixing the operation and control display component 8 in the accommodating chamber 53 may be employed.

The assembly of the first front case 51 and the second front case 52 and the accommodating chamber 53 may be fixed by any one or a combination of at least two of snap fastening, mechanical fastening, fastening middleware, and adhesive fastening.

In a preferred embodiment, please refer to fig. 2, fig. 3 and fig. 4, the first front housing 51 and the second front housing are respectively integrally formed with a fixing post 518 and a fixing post 528, a right wall 533 of the accommodating chamber 53 is formed with a fixing hole (not shown), and the accommodating chamber 53 and the first front housing 51 and the second front housing 52 are fixedly mounted on one side of an assembly formed by the first front housing 51 and the second front housing 52 through screws, the fixing holes, the fixing posts 518 and the fixing posts 528 being screwed and fixed, so that the accommodating chamber 53 is fixedly mounted on one side of the assembly formed by the first front housing 51 and the second front housing 52.

Referring to fig. 10 to 13, an electronic scale 100 according to the present invention further includes a connecting fixture 7 for fixing the front housing assembly 5 at the opening of the front end of the accommodating cavity; the connecting fixture 7 further comprises a base 71 having a square shape; a fitting support portion 72 formed by annularly projecting the four side edges of one side surface of the base portion 71 perpendicularly to the base portion 71; a plurality of two rows of buckle mounting holes 711 arranged in parallel at two opposite side edges of the other side surface of the base 71, and an assembling block 712 is convexly formed between every two buckle mounting holes 711; a positioning block 713 formed by a side edge of the base 71 protruding; a first mounting step 73 is formed between the assembling block 712 and the base portion 71, and the first mounting step 73 is composed of a first supporting surface 731 on the assembling block 712 and a first abutting surface 732 perpendicular to the first supporting surface 731 on the base portion 71; a second mounting step 74 is formed between the base portion 71 and the mounting support portion 72, and the second mounting step 74 includes a second annular support surface 741 located on the mounting support portion 72 and a second abutting surface 742 located on the base portion 71 and perpendicular to the second support surface 741. At least two fixing posts 714 are integrally formed on the base 71, and the fixing posts 714 and the assembling support 72 are located on the same side of the base 71.

Referring to fig. 1 to 16, when assembling the electronic scale, the weighing and measuring assembly 4 is fixed on the bearing plate 3 by gluing; the accommodating chamber 53 of the operation display component 8 is fixed to one side of an assembly body formed after the first front shell 51 and the second front shell 52 are assembled by using a screw fixing mode, and the first front shell 51 and the second front shell 52 are fixed to each other by using a screw fixing mode; the front housing component 5 and the connection fixing member 7 are fixed to each other by the first, second, and third fasteners 517, 527, and 539 cooperating with the fastener mounting holes 711 on the connection fixing member, the mounting block 712 abuts against the first, second, and third mounting plates 516, 526, and 537, the first supporting surface 731 abuts against the end of the first mounting plate 516, the end of the second mounting plate 526, and the end of the third mounting plate 537, and the end of the first mounting plate 516, the end of the second mounting plate 526, and the end of the third mounting plate 537 abut against the first abutting surface 732; assembling and fixing the assembly formed by assembling the bearing plate 3 and the weighing and measuring assembly 4 and the assembly formed by assembling the connecting and fixing piece 7 and the front housing assembly 5 by utilizing the mutual matching of the screws, the fixing gaps 413 and the fixing columns 714; assembling the bearing plate 3 and the weighing assembly 4 to form an assembly and a rear shell 6 by utilizing the mutual matching of the screws, the fixing gaps 413 and the fixing columns 714; the scale 2 is fastened to an assembly formed after the bearing plate 3 and the weighing and measuring assembly 4 are assembled, and the front end edge of the substrate 21, the front end edge of the side plate 22, the front end edge of the bending plate 23 and the front end edge of the fixing plate 24 are abutted against the second abutting surface 741, the second supporting surface 742 is abutted against the front end of the substrate 21, the front end of the side plate 22, the front end of the bending plate 23 and the front end of the fixing plate 24, the rear end edge of the substrate 21, the rear end edge of the side plate 22, the rear end edge of the bending plate 23 and the rear end edge of the fixing plate 24 are abutted against the third abutting surface 632, and the third supporting surface 631 is abutted against the rear end of the substrate 21, the rear end of the side plate 22, the rear end of the bending plate 23 and the rear end of the fixing plate 24; the scale pan 2 and the lower casing 1 are fixed to the weighing and measuring assembly 4 by screws, and the front end edge of the lower casing 1 abuts against the second abutting surface 742, the rear end edge of the lower casing 1 abuts against the third abutting surface 632, the second supporting surface 741 abuts against the front end of the lower casing 1, and the third supporting surface 631 abuts against the rear end of the lower casing 1.

It should be understood that the specific embodiment of the present invention only illustrates one of the assembly and installation sequences of the electronic scale 100, and in other preferred embodiments, other reasonable installation sequences may be adopted for installation, and therefore, it should be understood that the illustrated assembly sequence of the present invention is not limited to the reasonable installation sequence of other components not mentioned in the present invention.

In summary, the electronic scale 100 according to the present invention is configured by dividing the components of the electronic scale into different components, such as a weighing measurement component, a front housing component, a load-bearing plate, and a rear housing, and then assembling the electronic scale after completing the assembly of the components, so that the electronic scale is more convenient to assemble.

According to the electronic scale 100 provided by the utility model, the operation display function and the weighing function can be used separately and can be used integrally, so that the practical requirement of the application scene of the operation display and the weighing separation is met, and the electronic scale has the characteristics of convenience in carrying and containing structural components of the electronic scale.

As described above, the present invention is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and the present invention is intended to be covered by the scope of the present invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (15)

1. The utility model provides an electronic scale, its including a bearing plate and a plurality of installation fix the measuring component that weighs on a side of bearing plate, its characterized in that:

the electronic scale further comprises a lower shell; the lower shell and the scale plate are mutually installed and fixed to form an accommodating cavity with two open ends;

an assembly body formed by assembling the bearing plate and the weighing and measuring assembly is fixedly arranged in the accommodating cavity;

a front shell assembly is fixedly installed at one end of the opening of the accommodating cavity, and a rear shell is fixedly installed at the other end of the opening;

the front shell assembly is detachably and fixedly provided with an operation display assembly, and the operation display assembly is in plug-in type electric connection with the weighing measurement assembly through a lead and an electric connector.

2. An electronic scale according to claim 1, characterized in that: the front shell assembly further comprises a first front shell, a second front shell and a containing bin, wherein the second front shell and the first front shell are fixedly installed with each other, and the containing bin is fixed on one side of the first front shell and one side of the second front shell assembly and used for containing the control display assembly.

3. An electronic scale according to claim 2, characterized in that: the accommodating bin is fixedly installed on one side of an assembly body formed after the first front shell and the second front shell are fixedly installed through any one or at least two modes of buckle fastening, mechanical fastening, fastening middleware and gluing fixing.

4. An electronic scale according to claim 3, characterized in that: the holding bin further comprises a front bin wall, a rear bin wall, a right bin wall, a top bin wall and a bottom bin wall, wherein the front bin wall, the rear bin wall, the right bin wall, the top bin wall and the bottom bin wall are surrounded to form a containing space with one end opening used for containing the control display assembly, a display window is arranged on the top bin wall, a taking window corresponding to the display window is arranged on the bottom bin wall, and a third assembling plate is formed on the outer wall of the rear bin wall of the holding bin in an upwards extending mode.

5. An electronic scale according to claim 4, wherein: the first front shell and the second front shell are integrally formed with fixing columns, a fixing hole is formed in the wall of the right bin of the containing bin, and the containing bin is fixedly installed on one side of an assembly formed after the first front shell and the second front shell are fixedly installed through screws, fixing holes and fixing columns in a screwed connection mode.

6. An electronic scale according to claim 4, wherein: the inner wall of the bottom bin wall is convexly extended to form a bulge, and the bulge is positioned between the opening position of the accommodating space and the taking window; the shell of the control display component is concavely provided with a clamping groove matched with the bulge.

7. An electronic scale according to claim 2, characterized in that: the front shell assembly is fixedly arranged at one end of the accommodating cavity through a connecting fixing piece.

8. An electronic scale according to claim 7, wherein: the first front shell is provided with a first shell body, a first front shell body, a first rear shell body and a first right shell body, wherein the first front shell body, the first rear shell body and the first right shell body are formed by respectively protruding three side edges of the first shell body; the second front shell is provided with a second shell body, a second front shell body, a second rear shell body and a second right shell body, wherein the second front shell body, the second rear shell body and the second right shell body are formed by respectively convexly extending three side edges of the second shell body; two rows of third buckles are convexly extended on the outer wall of the rear bin wall of the accommodating bin; the connecting and fixing piece comprises a base part, an assembling support part formed by protruding one side face of the base part, and a plurality of two rows of buckle mounting holes which are arranged in parallel and are arranged at the positions of two opposite side edges on the base part, at least two fixing columns are integrally formed on the base part, and the front shell assembly and the connecting and fixing piece are mutually matched, mounted and fixed together through the first buckle, the second buckle and the third buckle and the buckle mounting holes.

9. An electronic scale according to claim 8, wherein: the connecting and fixing piece further comprises a positioning block formed by protruding and extending the opposite side edges of the base part, an assembling block is formed by protruding and extending between every two buckle mounting holes, a first mounting step is formed between the assembling block and the base part, the first mounting step consists of a first supporting surface positioned on the assembling block and a first abutting surface positioned on the base part, a second mounting step is formed between the base part and the assembling supporting part, and the second mounting step consists of a second supporting surface positioned on the assembling supporting part and a second abutting surface positioned on the base part; after the assembly is completed, the assembly block is supported on the first assembly plate, the second assembly plate and the third assembly plate, the first supporting surface is supported on the end portion of the first assembly plate, the end portion of the second assembly plate and the end portion of the third assembly plate, and the end edge of the first assembly plate, the end edge of the second assembly plate and the end edge of the third assembly plate are supported on the first supporting surface.

10. An electronic scale according to claim 9, characterised in that; at least two fixing columns are integrally formed on the connecting and fixing piece; each weighing and measuring bracket further comprises a bracket base plate, two opposite side edges of the bracket base plate are convexly extended to form two fixed arms, and a fixed gap is formed between the two fixed arms; and mutually matching screws, the fixed gaps and the fixed columns to mutually assemble and fix an assembly formed after the bearing plate and the weighing and measuring assembly are assembled and fixed with the connecting and fixing piece and an assembly formed after the front shell assembly is assembled and fixed.

11. An electronic scale according to claim 10, wherein: the rear shell further comprises a rear shell body, a top holding part formed by protruding along the circumference of the four edges of the rear shell body and two fixing columns integrally formed on the bottom surface of the rear shell body, a third mounting step is formed between the top holding part and the rear shell body, and the third mounting step further comprises a third supporting surface and a third abutting surface.

12. An electronic scale according to claim 11, wherein: the rear shell is provided with a containing window and a containing box which is integrally formed on the rear shell and is provided with an opening at one end, and the opening of the containing box is communicated with the containing window; the joint of the two ends opposite to the opening of the storage box and the rear shell is provided with a cloth belt end head clamping seam, and the end part of the cloth belt is clamped at the cloth belt end head clamping seam.

13. An electronic scale according to claim 12, wherein: a part of the lead wires and the electric connector connected to the lead wires can be hidden in the containing box.

14. An electronic scale according to claim 13, wherein: and assembling and fixing an assembly formed by assembling the bearing plate and the weighing measurement assembly with the rear shell by utilizing the mutual matching of the screw, the fixed gap and the fixed column.

15. An electronic scale according to any one of claims 11, 12, 13, 14, wherein: the scale pan is provided with a substrate, two side plates which are opposite to each other and formed by bending and convexly extending the opposite side edges of the substrate in pairs, two fixing plates which are opposite to each other and convexly extending the opposite edges of the two side plates to form bending plates and two fixing plates; after the assembly is finished, the scale plate is buckled on an assembly body formed after the bearing plate and the weighing and measuring assembly are assembled, the front end edge of the base plate, the front end edge of the side plate, the front end edge of the bending plate and the front end edge of the fixed plate are abutted against the second abutting surface, the second supporting surface is abutted against the front end of the base plate, the front end of the side plate, the front end of the bending plate and the front end of the fixed plate, the rear end edge of the base plate, the rear end edge of the side plate, the rear end edge of the bending plate and the rear end edge of the fixed plate are abutted against the third abutting surface, and the third supporting surface is abutted against the rear end of the base plate, the rear end of the side plate, the rear end of the bending plate and the rear end of the fixed plate; the weighing pan and the lower shell are fixed on the weighing and measuring assembly by screws, and the front end breaking edge of the lower shell abuts against the second abutting surface, the rear end edge of the lower shell abuts against the third abutting surface, the second supporting surface abuts against the front end of the lower shell, and the third supporting surface abuts against the rear end of the lower shell.

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