CN213301440U - Electronic scale - Google Patents

Abstract

The utility model relates to an electronic scale. The electronic scale comprises a bearing main body, a tray and a connecting piece; one side of the bearing main body is provided with a slotted hole, and the bearing main body is used for weighing an object to be measured; the tray is provided with a bearing cavity; the connecting piece is arranged on one side of the tray, which faces the bearing main body, and one end of the connecting piece, which is far away from the tray, can be inserted into the slot hole; one of the connecting piece and the hole wall of the slot hole is provided with a first clamping protrusion, the other one is provided with a second clamping protrusion, and the first clamping protrusion is in clamping fit with the second clamping protrusion. When weighing the baby, need insert the slot of bearing main part with grafting portion on the tray downthehole for the protruding joint cooperation of first card and the protruding joint of second card, in order to ensure that the tray can be stably connected with bearing main part, thereby increased the bearing area of electronic scale, can satisfy the baby and weigh, improved the security simultaneously. Simultaneously, this electronic scale also can be used for adult to weigh, satisfies different crowds' demand of weighing, improves the performance of electronic scale.

Description

Electronic scale

Technical Field

The utility model relates to a weighing-appliance technical field especially relates to an electronic scale.

Background

An electronic scale is a kind of weighing apparatus, and is a tool for measuring the mass of an object by using hooke's law or the principle of lever balance of force. With the development of modern sensor technology, electronic technology and the like, the electronic weighing device can quickly, accurately, continuously and automatically finish the weighing requirement, and meanwhile, human errors can be effectively eliminated, so that the weighing of the electronic scale is more in line with the application requirements of legal metering management and industrial production process control.

However, the scale pan of the conventional electronic scale on the market is generally small, and when an infant is weighed, the area of the scale pan needs to be increased by a foreign object, and then the infant is placed on the foreign object to weigh the infant, or an adult holds the infant to weigh the infant. Generally, after the weight of the infant is weighed, the weight of the foreign object is subtracted, so that the weight of the infant is obtained, the weighing process becomes complicated, and the usability of the electronic scale is reduced.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is necessary to provide an electronic scale for solving the technical problem that the infant cannot be directly weighed.

An electronic scale, comprising:

the bearing device comprises a bearing main body, a bearing body and a weighing device, wherein one side of the bearing main body is provided with a slot hole, and the bearing main body is used for weighing an object to be measured;

a tray having a load-bearing cavity;

the connecting piece is arranged on one side, facing the load-bearing main body, of the tray, and one end, facing away from the tray, of the connecting piece can be inserted into the slot hole; one of the connecting piece and the hole wall of the slot hole is provided with a first clamping protrusion, the other one is provided with a second clamping protrusion, and the first clamping protrusion is in clamping fit with the second clamping protrusion.

In one embodiment, the connecting piece comprises a supporting part and an inserting part fixedly connected to the supporting part;

the inserting part extends towards one side of the bearing main body, the first clamping protrusion is arranged at the extending end part of the inserting part, the supporting part is fixedly connected to one side, away from the object to be detected, of the tray, and the supporting part is used for supporting the tray.

In one embodiment, the loadbearing body includes a first housing, a second housing, and a sensor;

the slot hole is arranged between the first shell and the second shell, and one side of the sensor is connected with the first shell; the first shell can move along a first direction under the action of gravity, the sensor and the first shell move synchronously, and the other side of the sensor can be abutted to the second shell.

In one embodiment, the loadbearing body further includes a trigger piece mounted to the second housing, and the sensor is configured to abut the trigger piece.

In one embodiment, a side of the first housing facing the second housing is provided with a receiving groove;

the sensor includes sensing head and sensing seat, sensing seat holds and locates in the holding tank, the sensing head install in the sensing seat deviates from one side of first casing, sensing head at least part stretches out the holding tank, the sensing head be used for with trigger the piece butt.

In one embodiment, the second housing is provided with a through hole;

the load-bearing main body comprises a mounting seat, one side of the mounting seat is connected to the second shell, and the other side of the mounting seat can penetrate through the through hole along the first direction; the trigger piece is installed on one side of the installation seat facing the first shell.

In one embodiment, the tray is provided with a bending portion, the bending portion extends towards one side of the object to be tested along the first direction, the bending portion is arranged to surround the bearing cavity along the circumferential direction of the tray, and one side of the bearing cavity facing the bearing main body is arranged in an open manner.

In one embodiment, the plug part is provided with a first reinforcing rib, and/or the support part is provided with a second reinforcing rib.

In one embodiment, the number of the connecting pieces is multiple, the connecting pieces are arranged on the tray at intervals along the second direction, and each connecting piece is correspondingly provided with one slot hole.

In one embodiment, the number of the trays is plural, and the plural trays are arranged at intervals along the circumference of the loadbearing body.

The utility model has the advantages that:

the utility model provides an electronic scale which comprises a bearing main body, a tray and a connecting piece; one side of the bearing main body is provided with a slotted hole, and the bearing main body is used for weighing an object to be measured; the tray is provided with a bearing cavity; the connecting piece is arranged on one side of the tray, which faces the bearing main body, and one end of the connecting piece, which is far away from the tray, can be inserted into the slot hole; one of the connecting piece and the hole wall of the slot hole is provided with a first clamping protrusion, the other one is provided with a second clamping protrusion, and the first clamping protrusion is in clamping fit with the second clamping protrusion. When weighing the baby, need insert the slot of bearing main part with grafting portion on the tray downthehole for the protruding joint cooperation of first card and the protruding joint of second card, in order to ensure that the tray can be stably connected with bearing main part, thereby increased the bearing area of electronic scale, can satisfy the baby and weigh, improved the security simultaneously. Simultaneously, this electronic scale also can be used for adult to weigh, satisfies different crowds' demand of weighing, improves the performance of electronic scale.

Drawings

Fig. 1 is a first schematic view of an electronic scale according to an embodiment of the present invention;

FIG. 2 is a second schematic diagram of an electronic scale according to an embodiment of the present invention;

fig. 3 is a schematic view of a tray in an electronic scale according to an embodiment of the present invention;

FIG. 4 is a top view of a tray in the electronic scale shown in FIG. 3;

fig. 5 is a first schematic diagram of a first housing of an electronic scale according to an embodiment of the present invention;

fig. 6 is a second schematic diagram of a first housing of an electronic scale according to an embodiment of the present invention;

fig. 7 is a first schematic diagram of a second housing of the electronic scale according to the embodiment of the present invention;

fig. 8 is a second schematic diagram of a second housing of the electronic scale according to the embodiment of the present invention;

FIG. 9 is a schematic diagram of partial explosion in an electronic scale according to an embodiment of the present invention;

fig. 10 is a schematic view of a slot plate in an electronic scale according to an embodiment of the present invention.

Reference numerals: 100-a loadbearing body; 110-a first housing; 111-slot holes; 1111-second snap; 112-a first fixture; 113-a receiving tank; 114-a battery well; 115-third stiffening rib; 120-a second housing; 121-a through hole; 122-a second fixture; 123-abutting plates; 124-groove plate; 125-notch; 126-fourth stiffening rib; 130-a boss; 200-a tray; 210-a bending part; 300-a connector; 310-a support; 320-a plug part; 321-a first snap; 330-a first stiffening rib; 340-a second stiffening rib; 400-a sensor; 410-a sensor head; 420-a sensing seat; 500-a mounting seat; 510-a groove; 520-support column; 530-a connecting plate; 540-trigger piece; 600-a display; 610-battery cover; 620-USB interface; 630-reset switch.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, 2, 3, 6 and 7, fig. 1 is a first schematic diagram of an electronic scale according to an embodiment of the present invention; FIG. 2 is a second schematic diagram of an electronic scale according to an embodiment of the present invention; fig. 3 is a schematic view of a tray in an electronic scale according to an embodiment of the present invention; fig. 6 is a second schematic diagram of a first housing of an electronic scale according to an embodiment of the present invention; fig. 7 is a first schematic diagram of a second housing of the electronic scale according to the embodiment of the present invention. The electronic scale provided by the embodiment of the utility model comprises a bearing main body 100, a tray 200 and a connecting piece 300, wherein one side of the bearing main body 100 is provided with a slot hole 111, and the bearing main body 100 is used for weighing an object to be measured; the tray 200 has a carrying cavity; the connecting piece 300 is arranged on one side of the tray 200 facing the load-bearing main body 100, and one end of the connecting piece 300, which is far away from the tray 200, can be inserted into the slot hole 111; the connector 300 has a first locking protrusion 321, and the wall of the slot 111 has a second locking protrusion 1111, and the first locking protrusion 321 is engaged with the second locking protrusion 1111.

When the end of the connecting member 300 facing away from the tray 200 is inserted into the slot hole 111, the first locking protrusion 321 is engaged with the second locking protrusion 1111, thereby fixing the tray 200 to the load-bearing body 100. When weighing the baby, the area of the main bearing body 100 of the electronic scale is too small, when the baby is placed in the main bearing body, the head or the feet of the baby can be in a suspended state, so that the baby can not be laid on the main bearing body 100 for measurement, and potential safety hazards exist. Therefore, one end of the connecting piece 300 on the tray 200, which is away from the tray 200, needs to be inserted into the slot hole 111, and the first clamping protrusion on the connecting piece is clamped and matched with the second clamping protrusion in the slot hole, so that the tray 200 is clamped and connected with the main load bearing body 100. Because tray 200 has the bearing chamber to increased the bearing area of electronic scale, can satisfied the baby and weighed, improved the security simultaneously, can also satisfy different crowds and weigh, increased the performance of electronic scale. When the adult needs to be weighed, the load-bearing main body 100 can satisfy the standing of the adult, and therefore, the adult measurement can be completed no matter whether the tray 200 is inserted on the load-bearing main body 100 or not. When the tray 200 needs to be taken down, only one end of the connecting piece 300 departing from the tray 200 needs to be pulled out, so that the first clamping projection 321 is separated from the second clamping projection 1111, the tray 200 can be separated from the bearing main body 100, the operation is simple, and the electronic scale cannot be damaged.

It should be noted that, in another embodiment, the hole wall of the slot hole 111 has a first locking protrusion 321, and the connecting element 300 has a second locking protrusion 1111, and the first locking protrusion 321 is engaged with the second locking protrusion 1111. In any arrangement, the first locking protrusion 321 and the second locking protrusion 1111 can be engaged with each other, so that the tray 200 can be stably mounted on the main load bearing body 100.

In one embodiment, the number of trays 200 is multiple, with multiple trays 200 spaced circumferentially along the loadbearing body 100.

It should be noted that the number of the trays 200 may be two, and the two trays 200 are respectively clamped with the left and right sides of the main body 100, so as to increase the stability of the electronic scale. The number of the trays 200 may be four, and the four trays 200 are respectively engaged with the front, rear, left, and right directions of the main body 100, thereby increasing stability of the electronic scale. In the present embodiment, the number of the trays 200 is two, but the present invention is not limited thereto, as long as the stability of the electronic scale can be achieved.

Further, when the tray 200 is fixed to the main bearing body 100, the height of the side of the tray 200 facing the object to be tested is equal to the height of the surface of the main bearing body 100 facing the object to be tested, so as to prevent the object to be tested from being damaged when the object to be tested is measured.

Referring to fig. 2, 3 and 4, fig. 4 is a top view of a tray in the electronic scale shown in fig. 3. In one embodiment, the connection member 300 includes a support portion 310 and an insertion portion 320 fixed to the support portion 310; the inserting portion 320 extends along one side facing the main body 100, the first locking protrusion 321 is disposed at an extending end of the inserting portion 320, the supporting portion 310 is fixedly connected to one side of the tray 200 away from the object to be measured, and the supporting portion 310 is used for supporting the tray 200.

Specifically, the inserting part 320 is "L" shaped, the first locking protrusion 321 is disposed at the extending end of the inserting part 320, the second locking protrusion 1111 is disposed at one end of the slot hole 111 far from the tray 200, when the inserting part 320 is inserted into the slot hole 111, the first locking protrusion 321 is just embedded into the second locking protrusion 1111 to be locked with each other, when the tray 200 needs to be taken down from the bearing main body 100, the tray 200 is moved away from the bearing main body 100 along the second direction, so that the tray 200 drives the inserting part 320 to move synchronously, thereby separating the first locking protrusion 321 from the second locking protrusion 1111, and realizing the separation of the tray 200 from the bearing main body 100.

Preferably, the end of the insertion part 320 facing the load-bearing main body 100 can be designed to be a "W" shaped opening, the first locking protrusion 321 is disposed at the topmost end of the "W" shaped opening, one side of the slot hole 111 away from the tray 200 can be in a bell mouth shape, the second locking protrusion 1111 is disposed at one end close to the end, and the first locking protrusion 321 and the second locking protrusion 1111 can be mutually matched and clamped.

In the present embodiment, a "W" shaped opening is designed at one end of the socket 320 facing the main load bearing body 100, and the slot 111 is in a bell shape at the side away from the tray 200, but the invention is not limited thereto, as long as the socket 320 can be engaged with the slot 111.

In addition, the W-shaped opening end is disposed at the top end of the L-shaped plugging portion 320, the end of the L-shaped plugging portion 320 is fixedly connected to one side of the supporting portion 310, the other side of the supporting portion 310 extends away from one side of the plugging portion 320 along the second direction, and the supporting portion 310 is connected to one side of the tray 200 away from the object to be tested and used for supporting the tray 200. When an object to be tested with a large volume is placed on the electronic scale inserted into the tray 200, a certain pressure is applied to the tray 200, and the L-shaped insertion part 320 on the back of the tray 200 takes the planes on the two sides of the load-bearing main body 100 and the tray 200 as supporting points, so that the bearing force can be borne in the using process, and meanwhile, the insertion part 320 is fixedly connected with the supporting part 310 on the side far away from the load-bearing main body 100, so that the area of the supporting plane is increased, and the pressure bearing capacity of the tray 200 is increased.

In an embodiment, the number of the connecting members 300 is multiple, the connecting members 300 are arranged at intervals along the second direction on the tray 200, and each connecting member 300 is correspondingly provided with one slot hole 111.

The number of the insertion parts 320 on the tray 200 may be 1, or may be plural, as long as the tray 200 can be engaged with the main load bearing body 100. The connecting piece has two in this embodiment, and two connecting pieces set up along the width direction interval of tray.

In addition, the connecting member 300 is detachably connected to the side of the tray 200 away from the object to be tested, and when the connecting member 300 bears excessive gravity and is damaged, only the connecting member 300 needs to be replaced, thereby saving the cost.

For convenience of description, the second direction and the first direction are described below.

Referring to fig. 1, 2 and 3, in an embodiment, the tray 200 is provided with a bent portion 210, the bent portion 210 extends toward one side of the object to be measured along a first direction, and the bent portion 210 is enclosed into a bearing cavity along a circumferential direction of the tray 200, and one side of the bearing cavity facing the load-bearing main body 100 is open.

It should be noted that, the design of the bending part 210 on the tray 200 not only can prevent the infant from rolling and falling down when the infant is weighed, but also can effectively prevent the adult from weighing and stepping on the left and right trays 200 to cause unstable and falling of the gravity center of the electronic scale and product damage.

Referring to fig. 2 and 3, in an embodiment, the insertion part 320 is provided with a first reinforcing rib 330, and the supporting part 310 is provided with a second reinforcing rib 340. Specifically, the first reinforcing rib 330 is disposed on the side of the inserting portion 320 facing away from the object to be tested, and the second reinforcing rib 340 is disposed on the side of the supporting plate facing away from the tray 200. When the inserting part 320 is inserted into the slot hole 111, the first reinforcing rib 330 abuts against the first housing 110, thereby increasing the rigidity of the inserting part 320, and enhancing the bearing capacity of the inserting part 320.

In another embodiment, the insertion part 320 is provided with the first reinforcing rib 330, or the supporting part 310 is provided with the second reinforcing rib 340, and the connection manner is the same as that of the insertion part 320 provided with the first reinforcing rib 330 and the supporting part 310 provided with the second reinforcing rib 340, so the description is omitted.

Further, the first housing 110 is provided with a third reinforcing rib 115 facing the second housing 120, the third reinforcing rib 115 is uniformly arranged in the first housing 110, when the load-bearing main body 100 bears a load, the third reinforcing rib 115 can effectively enhance the rigidity of the first housing 110, reduce the cross-sectional distortion thereof, and simultaneously reduce the local deformation, prevent the first housing 110 from vibrating and reduce noise.

Referring to fig. 1, 2, 5, 6, 7 and 8, fig. 5 is a first schematic diagram of a first housing of an electronic scale according to an embodiment of the present invention; fig. 8 is a second schematic diagram of a second housing of the electronic scale according to the embodiment of the present invention. In an embodiment, the load-bearing body 100 includes a first shell 110, a second shell 120, and a sensor 400, the slot hole 111 is disposed between the first shell 110 and the second shell 120, and one side of the sensor 400 is connected to the first shell 110; the first housing 110 can move in the first direction by gravity, the sensor 400 moves in synchronization with the first housing 110, and the other side of the sensor 400 can abut against the second housing 120.

Specifically, the sensor 400 is a pressure sensor, when the object to be measured is placed on the load-bearing main body 100, the first housing 110 is pressed to drive the sensor 400 to move toward the second housing 120 along the first direction, the sensor head 410 is deformed by the force applied thereto due to the abutting of the sensor 400 and the second housing 120, and the circuit impedance is changed due to the pressure-sensitive resistor on the sensor head 410.

Further, the first casing 110 is provided with a first fixing member 112 facing the second casing 120 along the first direction, and the second casing 120 is provided with a second fixing member 122 facing the first casing 110.

In one embodiment, the first fixing member 112 is a hollow cylinder, and the second fixing member 122 is a solid cylinder, wherein the radius of the hollow cylinder is larger than that of the solid cylinder, and the first fixing member 112 and the second fixing member 122 are locked by inserting the second fixing member 122 into the first fixing member 112, so as to connect the first casing 110 and the second casing 120.

In another embodiment, the first fixing member 112 is a solid cylinder, and the second fixing member 122 is a hollow cylinder, wherein the radius of the hollow cylinder is larger than that of the solid cylinder, and the first fixing member 112 and the second fixing member 122 are locked by inserting the second fixing member 122 into the first fixing member 112, so as to connect the first casing 110 and the second casing 120.

In another embodiment, the first fixing member 112 and the second fixing member 122 are both hollow cylinders, and a common tool, such as a screw, is used to sequentially pass through the first fixing member 112 and the second fixing member 122, and then the screw is sleeved on the end of the screw through a nut, so that the first casing 110 and the second casing 120 are fixed by rotation.

It should be noted that the number of the first fixing members 112 may be four, and the first fixing members are uniformly distributed at four corners of the first casing 110, or may be multiple, as long as the first casing 110 and the second casing 120 can be fixed. In addition, the number of the second fixing pieces 122 is the same as that of the first fixing pieces 112.

In addition, the second housing 120 includes an abutting plate 123, the abutting plate 123 is provided with a position, corresponding to the inserting portion 320, of the second housing 120 facing the first housing 110, the abutting plate 123 is provided with a fourth reinforcing rib 126 and abuts against the inserting portion 320, when the inserting portion 320 bears a load, the position, corresponding to the second housing 120, of the inserting portion is squeezed, and the strength of the second housing 120 is enhanced by the fourth reinforcing rib 126, so that the electronic scale is prevented from being damaged in a bearing process.

Referring to fig. 1, 2, 6, 7 and 9, fig. 9 is a schematic diagram of a partial explosion in an electronic scale according to an embodiment of the present invention. In one embodiment, the loadbearing body 100 further includes a trigger piece 540, the trigger piece 540 is mounted to the second housing 120, and the sensor 400 can abut the trigger piece 540.

Specifically, the sensing head 410 and the trigger piece 540 are spaced at a certain distance, when the first housing 110 is deformed under pressure, the sensing seat 420 abuts against the first housing 110, the sensing seat 420 drives the sensing head 410 to move downwards along the first direction, and at this time, the sensing head 410 abuts against the trigger piece 540, the sensing head 410 is deformed under pressure, and the sensing head 410 has a pressure-sensitive resistor thereon, so that the circuit impedance is changed.

It should be noted that, the distance between the sensor head 410 and the trigger piece 540 is 0.8-1.2mm, and when the distance is too small, the difficulty in mounting the sensor 400 and the trigger piece 540 is too large; when the object to be measured is too light, the deformation of the first housing 110 is not enough to drive the sensor head 410 to move toward the second housing 120 along the first direction to contact with the trigger piece 540, and the weight of the object to be measured cannot be measured. Therefore, the sensor and the trigger piece are convenient to install, and meanwhile, the weight of the object to be measured can be measured more sensitively.

Referring to fig. 5, 6, 7, 8 and 9, in an embodiment, a receiving groove 113 is formed on a side of the first housing 110 facing the second housing 120; the sensor 400 includes a sensor head 410 and a sensor base 420, the sensor base 420 is accommodated in the receiving slot 113, the sensor head 410 is mounted on a side of the sensor base 420 facing away from the first housing 110, the sensor head 410 at least partially extends out of the receiving slot 113, and the sensor head 410 is used for abutting against the trigger piece 540.

Specifically, the sensing seat 420 of the sensor 400 is disposed in the receiving groove 113, and then the sensing seat 420 is clamped by a snap, so that the sensing seat 420 abuts against the first housing 110. Wherein the sensor head 410 partially protrudes out of the receiving slot 113 so that the sensor head 410 can abut the trigger piece 540.

Referring to fig. 1, 2 and 9, fig. 9 is a schematic diagram of a partial explosion in an electronic scale according to an embodiment of the present invention. In one embodiment, the second housing 120 is provided with a through hole 121; the load-bearing body 100 includes a mounting seat 500, one side of the mounting seat 500 is connected to the second housing 120, and the other side of the mounting seat 500 can pass through the through hole 121 along the first direction; the trigger piece 540 is mounted on a side of the mounting seat 500 facing the first housing 110.

Specifically, the mounting base 500 includes a supporting column 520 and a connecting plate 530, wherein the connecting plate 530 is fixedly disposed on the supporting column 520 toward the first housing 110 along the first direction, an area of the connecting plate 530 is larger than that of the through hole 121, when the supporting column 520 passes through the through hole 121 toward the second housing 120 along the first direction, the connecting plate 530 abuts against the second housing 120, and then the connecting plate 530 and the second housing 120 are fixed by a common locking member such as a screw, so that the supporting column 520 supports the second housing 120 and contacts with the ground, thereby preventing the ground water and the like from interfering with the inside of the electronic scale.

It should be noted that the number of the mounting seats 500 may be four, or may be more than four, as long as the electronic scale can be supported. In the present embodiment, the number of the mounting seats 500 is four for an example, but the invention is not limited thereto. The four mounting seats 500 are uniformly arranged in the four corners of the main load bearing body 100, so that the stability of the main load bearing body 100 can be improved.

Further, the mounting base 500 further includes a groove 510, the groove 510 is disposed on one side of the mounting base 500 facing the first housing 110 along the first direction, the triggering piece 540 is abutted against the mounting base 500 and is embedded on the groove 510, wherein the triggering piece 540 is fixed to the mounting base 500 by stamping.

When measuring the determinand, first casing 110 bears pressure and takes place deformation, drives sensor 400 and moves down along first direction, and sensing head 410 and trigger piece 540 butt this moment, because trigger piece 540 inlays on recess 510, recess 510 provides the deformation space for the deformation of trigger piece 540.

It should be noted that the number of the sensors 400 may be multiple, but each sensor 400 has one corresponding mounting seat 500, and preferably, the number of the sensors 400 is four, and the sensors are uniformly distributed on four corners of the electronic scale corresponding to the four mounting seats 500, so that the four sensors 400 are uniformly stressed, and the weighing accuracy of the electronic scale is increased.

Referring to fig. 1 and 5, in an embodiment, the electronic scale is provided with a display screen 600, and the display screen 600 is disposed on a side of the load-bearing main body 100 facing the object to be measured.

Further, the electronic scale further comprises a power switch, wherein the display screen 600 is arranged on one side, away from the second shell 120, of the first shell 110, the power switch is arranged at intervals along the second direction, the display screen 600 is used for displaying the weight of a measured object, the power switch is used for controlling the electronic scale to be turned on, and the power switch is electrically connected with the display screen.

Specifically, the load-bearing main body 100 includes a boss 130 and a bearing platform, the boss 130 is disposed on a side of the first housing 110 away from the second housing 120 and not contacting the tray 200, and the bearing platform is fixedly connected to the boss 130 for bearing the object to be tested. Wherein the boss 130 is higher than the plummer in the first direction, and the display screen 600 and the power switch are arranged on the boss 130, and the boss 130 is used for protecting the display screen 600 and the power switch, so that the display screen 600 or the power switch is prevented from being crushed when the object to be measured is placed on the bearing main body 100.

With continued reference to fig. 1 and 5, in one embodiment, the electronic scale is provided with a calibration-to-zero button that is electrically connected to the display screen 600.

Specifically, the calibration zero-returning button is arranged on the boss 130 at intervals along the second direction, and the calibration zero-returning button is used for resetting the weight of the tray 200, so that the weight of the tray 200 is prevented from influencing the weight of the object to be measured.

It should be noted that there may be a plurality of buttons on the boss 130, and the buttons may be used to control the weight unit of the object to be measured, or to control the playing of music in the electronic scale. The conversion of the weight unit of the object to be measured and the electronic scale with music system are the prior art, and therefore are not described herein again.

Further, the electronic scale further includes a control unit, a battery cover 610 and a battery slot 114, the battery slot 114 is disposed on one side of the first casing 110 facing the second casing 120, a mounting opening is disposed on the second casing 120, and the battery cover 610 is fastened to the mounting opening for protecting the battery. The control unit is arranged between the first shell 110 and the second shell 120, the control unit is electrically connected with the pressure sensor 400, the power switch, the display screen 600 and the calibration zero-returning key respectively, the power switch is electrically connected with the display screen 600, the power switch is electrically connected with the battery, and the battery supplies power to the control unit and the display screen 600.

When a baby is weighed, the tray 200 is clamped on two sides of the bearing main body 100, then the power switch is turned on, the weight of the tray 200 is reset through the calibration zero resetting button, at the moment, the number on the display screen 600 is zero, then the baby is placed on the electronic scale, the first shell 110 is deformed under the pressure to drive the sensor 400 to move downwards along the first direction, at the moment, the sensing head 410 is abutted to the trigger sheet 540, the sensing head 410 is deformed under the stress, the circuit impedance is changed due to the pressure sensitive resistor on the sensing head 410, a changed analog signal is output, the signal is amplified by a circuit and then is output to the control unit, the control unit sends the analog signal to the display screen 600, the number is displayed on the display screen 600, and the weight of the baby can be obtained through the reading of the display screen 600.

Referring to fig. 1, 7 and 10, fig. 10 is a schematic view of a trough plate in an electronic scale according to an embodiment of the present invention. In one embodiment, electronic scale further includes a notch 125 and a slot plate 124, the notch 125 is disposed on a side of the second housing 120 facing away from the first housing 110 and away from an end of the boss 130, the slot plate 124 is engaged with the notch 125, and the slot plate 124 is used for sealing an inner side of the load-bearing main body 100.

The electronic scale further comprises a USB interface 620 and a reset switch 630, the USB interface 620 and the reset switch 630 are arranged on the groove plate 124 at intervals, the USB interface 620 is used for charging, and when the battery in the bearing main body 100 is dead, the battery can be externally connected with a power plug through the USB interface 620 to be charged. The reset switch 630 is used for restarting the electronic scale, and when the electronic scale breaks down, the power supply can be disconnected for a short time through the reset switch 630, so that the electronic scale is powered on again.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. An electronic scale, characterized in that the electronic scale comprises:

the weight-bearing device comprises a main weight-bearing body (100), wherein one side of the main weight-bearing body (100) is provided with a slot hole (111), and the main weight-bearing body (100) is used for weighing an object to be measured;

a tray (200), the tray (200) having a load-bearing cavity;

a connecting piece (300), wherein the connecting piece (300) is arranged on one side of the tray (200) facing the load-bearing main body (100), and one end of the connecting piece (300) facing away from the tray (200) can be inserted into the slotted hole (111); one of the connecting piece (300) and the hole wall of the slot hole (111) is provided with a first clamping protrusion (321), the other one is provided with a second clamping protrusion (1111), and the first clamping protrusion (321) is in clamping fit with the second clamping protrusion (1111).

2. The electronic scale according to claim 1, wherein the connecting member (300) comprises a supporting portion (310) and an inserting portion (320) fixedly connected to the supporting portion (310);

the inserting part (320) extends towards one side of the load-bearing main body (100), the first clamping protrusion (321) is arranged at the extending end part of the inserting part (320), the supporting part (310) is fixedly connected to one side, away from the object to be detected, of the tray (200), and the supporting part (310) is used for supporting the tray (200).

3. Electronic scale according to claim 2, characterized in that the weight-bearing body (100) comprises a first housing (110), a second housing (120) and a sensor (400);

the slot hole (111) is arranged between the first shell (110) and the second shell (120), and one side of the sensor (400) is connected to the first shell (110); the first housing (110) is movable in a first direction by gravity, the sensor (400) moves in synchronization with the first housing (110), and the other side of the sensor (400) is capable of abutting against the second housing (120).

4. Electronic scale according to claim 3, wherein the weight-bearing body (100) further comprises a trigger piece (540), the trigger piece (540) being mounted to the second housing (120), the sensor (400) being capable of abutting against the trigger piece (540).

5. The electronic scale according to claim 4, wherein a side of the first case (110) facing the second case (120) is provided with a receiving groove (113);

the sensor (400) comprises a sensing head (410) and a sensing seat (420), the sensing seat (420) is accommodated in the accommodating groove (113), the sensing head (410) is installed on one side, deviating from the first shell (110), of the sensing seat (420), the sensing head (410) at least partially extends out of the accommodating groove (113), and the sensing head (410) is used for abutting against the trigger piece (540).

6. Electronic scale according to claim 4, characterized in that the second housing (120) is provided with a through hole (121);

the loadbearing body (100) includes a mount (500), one side of the mount (500) is connected to the second housing (120), and the other side of the mount (500) is capable of passing through the through-hole (121) in the first direction; the trigger piece (540) is mounted on one side of the mounting seat (500) facing the first shell (110).

7. The electronic scale according to claim 2, wherein the tray (200) is provided with a bent portion (210), the bent portion (210) extends along the first direction toward a side of the object to be tested, the bent portion (210) is enclosed into the bearing cavity along a circumferential direction of the tray (200), and a side of the bearing cavity facing the main bearing body (100) is open.

8. Electronic scale according to claim 2, characterized in that the plug-in part (320) is provided with a first stiffening rib (330) and/or the support part is provided with a second stiffening rib (340).

9. The electronic scale according to claim 2, wherein the number of the connecting members (300) is plural, a plurality of the connecting members (300) are arranged at intervals in the tray (200) along the second direction, and each of the connecting members (300) is correspondingly provided with one of the slot holes (111).

10. Electronic scale according to any one of claims 1-9, wherein the number of trays (200) is plural, and a plurality of trays (200) are arranged at intervals along the circumference of the loadbearing body (100).

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