CN218973594U

CN218973594U - High-precision kitchen scale

Info

Publication number: CN218973594U
Application number: CN202320077981.4U
Authority: CN
Inventors: 张永刚; 曹冬军; 赵象创; 贺朝辉; 卢永湖
Original assignee: Zhongshan Camry Electronic Co Ltd
Current assignee: Zhongshan Camry Electronic Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-05
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a high-precision kitchen scale, which comprises a scale body, wherein a weighing sensor component extending out through the bottom of the scale body is arranged in the scale body, the weighing sensor component comprises a fixed seat, a weighing sensor and supporting legs, a fixed seat groove is formed in the bottom of the fixed seat, supporting ribs are formed on the side surfaces of the fixed seat groove, the weighing sensor comprises a sensor fixing part, a sensor strain gauge with one end connected with the sensor fixing part is arranged in the sensor fixing part through hole, the other end of the sensor strain gauge is connected with a sensor bearing part, the supporting legs are connected with the sensor bearing part through locking screws, and threaded holes which are matched with the belt-medium screws to tightly lock the sensor fixing part on the supporting ribs are formed in the fixed seat.

Description

High-precision kitchen scale

Technical Field

The utility model relates to a high-precision kitchen scale.

Background

At present, the conventional kitchen scale sensor fixing mode generally adopts a fastening fixing mode, as shown in fig. 8-9, a fastening buckle 20 is arranged on a fixing seat 21, and when the kitchen scale sensor is not weighed, a sensor fixing part 221 of the weighing sensor is fastened and fixed on a supporting rib 212 of the fixing seat 21 through the fastening buckle 20; when weighing, as shown in fig. 10, the supporting legs are stressed, so that the strain gauge of the weighing sensor applies pressure, and the sensor fixing part 221 and the strain gauge are relatively deformed, so that an electric signal is generated and sent to the control module to display weighing data. Since the buckle 20 is made of an elastomer material, during the relative deformation process between the sensor fixing portion 221 and the strain gauge, the buckle 20 deforms, and the sensor fixing portion 221 cannot be pressed against the supporting rib 212, so that the deformation amount between the sensor fixing portion 221 and the strain gauge is reduced, and the weighing precision is affected.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the high-precision kitchen scale.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a high accuracy kitchen scale, its characterized in that: the weighing sensor assembly comprises a balance body, wherein a plurality of weighing sensor assemblies extending out through the bottom of the balance body are arranged in the balance body, each weighing sensor assembly comprises a fixing seat, a weighing sensor and supporting legs, each fixing seat is fixed in the balance body, a fixing seat groove is formed in the bottom of each fixing seat, supporting ribs are formed on the side faces of the fixing seat grooves, each weighing sensor comprises a sensor fixing portion connected with the corresponding supporting ribs, a sensor fixing portion through hole is formed in the corresponding sensor fixing portion and located below each fixing seat groove, a sensor strain gauge with one end connected with the corresponding sensor fixing portion is arranged in each sensor fixing portion through hole, the other end of each sensor strain gauge is connected with a sensor bearing portion, each supporting leg is connected with each sensor bearing portion through a locking screw, and a threaded hole which is matched with the corresponding sensor fixing portion in a compressed mode and locked on the corresponding supporting ribs is formed in the fixing seat.

The high-precision kitchen scale is characterized in that: the fixing base bottom is equipped with the spliced pole, and the screw hole setting is in the spliced pole.

The high-precision kitchen scale is characterized in that: the connecting column is arranged outside the groove of the fixing seat.

The high-precision kitchen scale is characterized in that: the bottom of the fixing seat is positioned outside the groove of the fixing seat and is provided with a positioning stop block for positioning the sensor fixing part on the supporting rib.

The high-precision kitchen scale is characterized in that: the bottom of the fixing seat groove is provided with an avoidance groove at the corresponding position of the locking screw.

The high-precision kitchen scale is characterized in that: the bottom of the groove of the fixing seat is provided with a supporting bump for preventing the sensor strain gauge from being excessively deformed and damaged.

The high-precision kitchen scale is characterized in that: the sensor strain gauge is connected with two sensor bearing parts which are respectively arranged at two sides of the sensor strain gauge.

The high-precision kitchen scale is characterized in that: the bottom of the supporting foot is connected with an anti-slip pad.

The high-precision kitchen scale is characterized in that: the balance body comprises a bottom shell and a panel, the weighing sensor assembly is fixed on the bottom shell and extends out from the bottom of the bottom shell, the panel is connected with a bearing end of the weighing sensor assembly, and the bottom shell is provided with a control module which is respectively connected with the weighing sensor assembly for calculating and displaying bearing data and a power supply which is respectively used for supplying power to the weighing sensor assembly and the control module.

The high-precision kitchen scale is characterized in that: four weighing sensor assemblies are arranged in the bottom shell and are respectively arranged at four corners of the bottom shell.

The beneficial effects of the utility model are as follows:

according to the utility model, the sensor fixing part of the weighing sensor is tightly pressed and locked on the supporting rib through the belt-medium screw, so that the sensor fixing part cannot be separated from the supporting rib after the supporting leg is stressed during weighing, and therefore, the deformation quantity between the sensor fixing part and the strain gauge during weighing cannot be influenced, the weighing precision is improved, the fundamental problem of low precision of the kitchen scale is solved, the software compensation program for improving the weighing precision is simplified, and meanwhile, the firmness is ensured, the shaking of the weighing sensor during bearing is avoided, and the weighing reliability is ensured through the belt-medium screw fixation.

Drawings

FIG. 1 is an exploded view of a kitchen scale of the present utility model;

FIG. 2 is a bottom view of the kitchen scale of the present utility model;

FIG. 3 is one of the exploded views of the weighing sensor assembly of the present utility model;

FIG. 4 is a schematic view of a weighing sensor assembly of the present utility model;

FIG. 5 is a second exploded view of the weighing sensor assembly of the present utility model;

FIG. 6 is a partial cross-sectional view of the weighing sensor assembly of the present utility model in an unstressed weighing condition;

FIG. 7 is a partial cross-sectional view of a load-bearing weighing assembly of the present utility model;

FIG. 8 is a cross-sectional view of a prior art load cell assembly;

FIG. 9 is a schematic diagram of the weighing state of the part A in FIG. 8 without stress;

fig. 10 is a schematic diagram of a portion a of the stressed weighing state of fig. 8.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the description of "preferred," "less preferred," and the like, herein is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "preferred", "less preferred" may include at least one such feature, either explicitly or implicitly.

As shown in fig. 1-2, a high-precision kitchen scale comprises a scale body 1, wherein a plurality of weighing sensor assemblies 2 extending out through the bottom of the scale body 1 are arranged in the scale body 1, the scale body 1 comprises a bottom shell 11 and a panel 12, the weighing sensor assemblies 2 are fixed on the bottom shell 11 and extend out from the bottom of the bottom shell 11, the panel 12 is connected with a bearing end of the weighing sensor assemblies 2, a control module 13 which is respectively connected with the weighing sensor assemblies 2 for calculating and displaying bearing data and a power supply 14 which respectively supplies power to the weighing sensor assemblies 2 and the control module 13 are arranged on the bottom shell 11, four weighing sensor assemblies 2 are arranged in the bottom shell 11, and the four weighing sensor assemblies 2 are respectively arranged at four corners of the bottom shell 11. When the weighing object is placed on the panel 12 of the glass for weighing, the four weighing sensor assemblies 2 are stressed and respectively send weighing data to the control module 13, and the control module 13 displays the weighing data after calculation.

As shown in fig. 1-5, the weighing sensor assembly 2 comprises a fixed seat 21, a weighing sensor 22 and supporting legs 23, wherein the fixed seat 21 is fixed in the balance body 1, a fixed seat groove 211 is formed at the bottom of the fixed seat 21, a supporting rib 212 is formed on the side surface of the fixed seat groove 211, the weighing sensor 22 comprises a sensor fixing part 221 connected with the supporting rib 212, a sensor fixing part through hole is formed in the sensor fixing part 221 below the fixed seat groove 211, a sensor strain gauge 222 with one end connected with the sensor fixing part 221 is arranged in the sensor fixing part through hole, a sensor bearing part 223 is connected with the other end of the sensor strain gauge 222, the supporting legs 23 are connected with the sensor bearing part 223 through locking screws 24, and threaded holes 213 which are matched with the belt-medium screws 25 to tightly lock the sensor fixing part 221 on the supporting rib 212 are formed in the fixed seat 21. In the unstressed weighing state, as shown in fig. 6, the weighing sensor assembly 2 is matched with the threaded hole 213 through the screw 25, so that the sensor fixing part 221 of the weighing sensor 22 is tightly locked on the supporting rib 212 of the fixing seat 21; when a weighing object is placed on the glass panel 12 for weighing, the supporting legs 23 drive the sensor bearing parts 223 of the weighing sensor 22 and the sensor strain gauges 222 to deform towards the upper fixing seat grooves 211, and the deformed sensor strain gauges 222 generate electric signals and send the electric signals to the control module 13; in the deformation process of the sensor strain gauge 222 to the fixing seat groove 211, the sensor fixing part 221 connected with the sensor strain gauge 222 is also stressed by the deformation force to the fixing seat groove 211, and at the moment, the sensor fixing part 221 is tightly pressed on the supporting rib 212 of the fixing seat 21 by the belt-medium screw 25, so that the deformation of the fixing seat groove 211 due to the stress is prevented from being separated from the supporting rib 212, the deformation quantity between the sensor fixing part 221 and the strain gauge is prevented from being reduced, the weighing precision is influenced, and the problem of low kitchen scale precision is fundamentally solved.

As shown in fig. 3-5, the bottom of the fixing base 21 is provided with a connecting post 214, and a threaded hole 213 is formed in the connecting post 214, so that the belt-medium screw 25 is more firmly and tightly connected with the fixing base 21, and the sensor fixing part 221 is more firmly pressed on the supporting rib 212; the connecting post 214 is disposed outside the fixing base recess 211, so that the installation is facilitated, and the sensor fixing portion 221 is more firmly pressed against the supporting rib 212.

As shown in fig. 3-5, the sensor strain gauge 222 is connected with two sensor bearing parts 223, and the two sensor bearing parts 223 are respectively arranged at two sides of the sensor strain gauge 222, so that the sensor strain gauge 222 of the weighing sensor 22 is stressed more uniformly, and the weighing accuracy is improved.

As shown in fig. 3-5, a positioning stop 215 for positioning the sensor fixing portion 221 on the support rib 212 is provided at the bottom of the fixing base 21 outside the fixing base groove 211, so that the weighing sensor 22 is positioned and mounted on the support rib 212.

As shown in fig. 3-5, the bottom of the fixing seat groove 211 is provided with a avoiding groove 216 at a position corresponding to the locking screw 24, so that the deformation of the sensor strain gauge 222 is prevented from being blocked by the head of the locking screw 24, and the weighing precision is prevented from being influenced.

As shown in fig. 3-5, a supporting bump 217 for preventing the sensor strain gauge 222 from being excessively deformed and damaged is provided at the bottom of the fixing seat groove 211, and when the sensor strain gauge 222 is at the maximum deformation amount, the sensor strain gauge 222 is pressed against the supporting bump 217, so as to prevent the sensor strain gauge 222 from being excessively deformed and damaged.

As shown in fig. 4, the bottom of the supporting leg 23 is connected with a non-slip pad 231 to prevent slipping during weighing.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. A high accuracy kitchen scale, its characterized in that: including balance body (1), be equipped with weighing sensor subassembly (2) that a plurality of pass balance body (1) bottom stretched out in the balance body (1), weighing sensor subassembly (2) are including fixing base (21), weighing sensor (22) and supporting legs (23), fixing base (21) are fixed in balance body (1) and fixing base (21) bottom are equipped with fixing base recess (211), fixing base recess (211) side formation supporting rib (212), weighing sensor (22) are including sensor fixed part (221) that are connected with supporting rib (212), be equipped with sensor fixed part through-hole below fixing base recess (211) on sensor fixed part (221), be equipped with sensor foil gauge (222) that one end and sensor fixed part (221) are connected in the sensor fixed part through-hole, sensor foil gauge (222) other end is connected with sensor load portion (223), supporting legs (23) are connected with sensor load portion (223) through locking screw (24), be equipped with on fixing base (21) with take screw (25) cooperation with sensor fixed part (221) and lock screw hole (212) on supporting rib (212).

2. A high precision kitchen scale according to claim 1, characterized in that: the bottom of the fixing seat (21) is provided with a connecting column (214), and a threaded hole (213) is arranged in the connecting column (214).

3. A high precision kitchen scale according to claim 2, characterized in that: the connecting column (214) is arranged outside the fixing seat groove (211).

4. A high precision kitchen scale according to claim 1, characterized in that: the bottom of the fixed seat (21) is positioned outside the fixed seat groove (211) and is provided with a positioning stop block (215) for positioning the sensor fixing part (221) on the supporting rib (212).

5. A high precision kitchen scale according to claim 1, characterized in that: the bottom of the fixing seat groove (211) is provided with a avoidance groove (216) at a position corresponding to the locking screw (24).

6. A high precision kitchen scale according to claim 1, characterized in that: the bottom of the fixing seat groove (211) is provided with a bearing lug (217) for preventing the sensor strain gauge (222) from being excessively deformed and damaged.

7. A high precision kitchen scale according to claim 1, characterized in that: the sensor strain gauge (222) is connected with two sensor bearing parts (223), and the two sensor bearing parts (223) are respectively arranged at two sides of the sensor strain gauge (222).

8. A high precision kitchen scale according to claim 1, characterized in that: the bottom of the supporting leg (23) is connected with an anti-slip pad (231).

9. A high precision kitchen scale according to claim 1, characterized in that: the balance body (1) comprises a bottom shell (11) and a panel (12), wherein the weighing sensor assembly (2) is fixed on the bottom shell (11) and extends out from the bottom of the bottom shell (11), the panel (12) is connected with a bearing end of the weighing sensor assembly (2), and the bottom shell (11) is provided with a control module (13) which is respectively connected with the weighing sensor assembly (2) for calculating and displaying bearing data and a power supply (14) which is respectively used for supplying power to the weighing sensor assembly (2) and the control module (13).

10. A high precision kitchen scale according to claim 9, characterized in that: four weighing sensor assemblies (2) are arranged in the bottom shell (11), and the four weighing sensor assemblies (2) are respectively arranged at four corners of the bottom shell (11).