CN219416406U

CN219416406U - Weighing sensor protection device

Info

Publication number: CN219416406U
Application number: CN202320296491.3U
Authority: CN
Inventors: 沈勇; 蒋辉
Original assignee: Shanghai Dingtuo Industrial Co ltd
Current assignee: Shanghai Dingtuo Industrial Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-25
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to the technical field of weighing sensors, in particular to a weighing sensor protection device. The weighing sensor is mainly used for solving the problems that when an existing article is weighed, impact force generated in the moment of falling of the existing article can cause damage to the weighing sensor, the weighing sensor can be damaged in the long term, the impact force generated in the moment of the existing article is in direct contact with the weighing sensor, and the damage of the weighing sensor is easy to accelerate, and the following technical scheme is provided: the weighing sensor comprises a base and a weighing sensor body, wherein the weighing sensor body is arranged in the middle of the top of the base, a protective shell for protecting the weighing sensor body is arranged on the top of the base, and a triggering mechanism is arranged in the protective shell. The weighing sensor body is subjected to double protection, so that the damage of the symmetrical weighing sensor body during the weighing of the object is avoided, and the weighing sensor body has good durability.

Description

Weighing sensor protection device

Technical Field

The utility model relates to the technical field of weighing sensors, in particular to a weighing sensor protection device.

Background

A load cell is in fact a device that converts a mass signal into a measurable electrical signal output. The actual working environment of the sensor is considered, which is important to correctly select the weighing sensor, and the sensor is related to whether the sensor can work normally or not, the safety and the service life of the sensor, and the reliability and the safety of the whole weighing apparatus.

However, when the existing article is weighed, the impact force generated in the moment of falling of the existing article can cause damage to the weighing sensor, the weighing sensor can be damaged for a long time, and the impact force generated in the moment of falling of the existing article is in direct contact with the weighing sensor, so that the damage of the weighing sensor is easy to accelerate.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a weighing sensor protection device.

The technical scheme of the utility model is as follows: the utility model provides a weighing sensor protection device, includes base and weighing sensor body, the middle part at the base top is installed to the weighing sensor body, the protective housing who protects weighing sensor body is installed at the base top, be provided with trigger mechanism in the protective housing, the trigger mechanism below is provided with the buffer gear who carries out the buffering to trigger mechanism, trigger mechanism includes the loading board, be provided with the stop gear who carries out the restriction to the loading board position in the loading board, the bayonet socket has been seted up to protective housing's bilateral symmetry, two bayonet socket department symmetry is provided with extrusion mechanism.

Preferably, the bottom of the bearing plate is provided with a supporting block, sliding grooves are symmetrically formed in two sides of the inner wall of the protective shell, two sides of the bearing plate are welded with protruding blocks, and a plurality of protruding blocks are respectively located in the corresponding sliding grooves and are in sliding connection with the corresponding protruding blocks.

Preferably, a groove is formed in the bearing plate, the limiting mechanism is arranged in the groove, and the height of the opening of the groove is smaller than the height of the inside of the groove.

Preferably, the limiting mechanism comprises a first spring, the other end of the first spring is connected with a clamping rod, and the clamping rod is I-shaped.

Preferably, the buffer mechanism comprises an auxiliary plate, buffer springs are mounted on the auxiliary plate, and the top ends of a plurality of buffer springs are connected with the bottom of the bearing plate.

Preferably, the extrusion mechanism comprises a second spring, one ends of a plurality of second springs are connected with a pressing plate, and a push rod is welded on one side wall body of the pressing plate.

Preferably, the diameter of the plurality of push rods is smaller than that of the bayonet, and one ends of the push rods are all located in the corresponding bayonet.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. according to the utility model, the bearing plate is used for bearing the articles, meanwhile, after the articles are placed on the bearing plate, impact force generated by falling of the articles is buffered under the assistance of the plurality of buffer springs, and the impact force generated by falling of the articles is prevented from directly damaging the weighing sensor body by the arrangement of the plurality of buffer springs, so that the weighing sensor body is protected, however, when the abutting block is contacted with the top of the weighing sensor body, the position of the clamping rod is in a state corresponding to the bayonet at the moment, and then the clamping rod pushes the clamping rod into the bayonet under the elastic action of the first spring, so that the bayonet is matched with the clamping rod, the falling of the abutting block is stopped, and the weighing sensor body is secondarily protected, so that the weighing sensor body has good durability.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of a load cell protector;

FIG. 2 is a schematic isometric view of FIG. 1;

FIG. 3 is a schematic perspective view of the carrier plate of FIG. 1;

fig. 4 is a schematic perspective view of the pressing mechanism of fig. 1.

Reference numerals: 1. a base; 2. a weighing sensor body; 3. a protective housing; 4. a trigger mechanism; 41. a carrying plate; 42. abutting blocks; 5. a limiting mechanism; 51. a first spring; 52. a clamping rod; 6. a buffer mechanism; 61. an auxiliary plate; 62. a buffer spring; 7. an extrusion mechanism; 71. a second spring; 72. pressing the plate; 73. a push rod.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-4, the protection device for the weighing sensor provided by the utility model comprises a base 1 and a weighing sensor body 2, wherein the weighing sensor body 2 is arranged in the middle of the top of the base 1, the top of the base 1 is fixedly arranged on a protection shell 3, and the protection shell 3 covers the weighing sensor body 2 and is matched with the base 1 to protect the weighing sensor body 2; the two sides of the inner wall of the protective shell 3 are symmetrically provided with sliding grooves.

Further, be provided with trigger mechanism 4 in the protective housing 3, trigger mechanism 4 includes loading board 41 and supports piece 42, and loading board 41 is used for placing the article that needs to weigh, supports piece 42 fixed mounting in the middle part at loading board 41 top, is provided with a plurality of lugs on the both sides wall body of loading board 41 simultaneously, and a plurality of lugs all weld with loading board 41 lateral wall, and a plurality of lugs are located the spout that corresponds with its position simultaneously, lug and spout looks adaptation to lug and spout sliding connection.

Further, a buffer mechanism 6 for buffering the trigger mechanism 4 is arranged below the trigger mechanism 4, two groups of buffer mechanisms 6 are symmetrically arranged on two sides of the inner wall of the protective shell 3, the buffer mechanism 6 comprises auxiliary plates 61 and buffer springs 62, and the back surfaces of the two auxiliary plates 61 are connected with the inner wall of the protective shell 3; the bottom ends of the plurality of buffer springs 62 are connected with the top of the auxiliary plate 61, and the top ends are connected with the bottom of the bearing plate 41; when an object is placed on the carrying plate 41, the impact force generated instantaneously is buffered under the action of the plurality of buffer springs 62, so as to realize the protection of the weighing sensor body 2.

Further, a limiting mechanism 5 for limiting the position of the bearing plate 41 is arranged in the bearing plate 41, grooves are symmetrically formed in the bearing plate 41, and two groups of limiting mechanisms 5 are respectively arranged in the two grooves; the height of the opening of the groove is smaller than the height of the inside of the groove; bayonets are symmetrically arranged on the two side wall bodies of the protective shell 3; the limiting mechanism 5 comprises a first spring 51 and a clamping rod 52, the clamping rod 52 is in an I shape, one end of the clamping rod 52 is positioned in an opening of the groove, the other end of the clamping rod 52 is positioned in the groove, and the height of the other end of the clamping rod 52 is larger than the height of the opening of the groove, so that the clamping rod 52 is prevented from being separated from the groove;

one end of the first spring 51 is fixedly connected with the wall of the groove, and the other end of the first spring is connected with the other end of the clamping rod 52; when the bearing plate 41 is affected by the weight of the article and descends, one end of the clamping rod 52 is attached to the inside of the protective casing 3 and moves downwards, when the supporting block 42 is propped against the top of the weighing sensor body 2, the position of the clamping rod 52 and the position of the bayonet are in a horizontal state, so that the clamping rod 52 is sprung into the bayonet under the elastic action of the first spring 51, the purpose of limiting the position of the bearing plate 41 is achieved, the bearing plate 41 cannot descend, the weighing sensor body 2 is protected secondarily, and the weighing sensor body 2 has good durability.

Further, two bayonets are symmetrically provided with extrusion mechanisms 7, each extrusion mechanism 7 comprises a second spring 71, a pressing plate 72 and a push rod 73, one end of each second spring 71 is connected with the side wall of the corresponding pressing plate 72, and the other end of each second spring is connected with the outer side wall of the corresponding protective shell 3; the other ends of the plurality of push rods 73 are welded on the side wall of the pressing plate 72 and are positioned in the second spring 71, and one ends of the plurality of push rods 73 are positioned in corresponding bayonets;

after weighing is completed, the weighing object is taken out, the two pressing plates 72 are pressed, the plurality of springs II 71 are pressed, the plurality of push rods 73 push the corresponding clamping rods 52 to move towards the middle part of the bearing plate 41 under the action of the pressing plates 72, the clamping rods 52 are separated from the bayonets to release the limitation on the position of the bearing plate 41, and the plurality of buffer springs 62 rebound upwards on the bearing plate 41 after releasing the limitation, so that the bearing plate 41 is reset, and the subsequent weighing is facilitated.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a weighing sensor protection device, includes base (1) and weighing sensor body (2), the middle part at base (1) top is installed in weighing sensor body (2), its characterized in that: the utility model discloses a weighing sensor, including base (1), protection shell (3) to weighing sensor body (2) are installed at base (1) top, be provided with trigger mechanism (4) in protection shell (3), trigger mechanism (4) below is provided with buffer gear (6) to buffering trigger mechanism (4), trigger mechanism (4) are including loading board (41), be provided with in loading board (41) and carry out stop gear (5) that restrict loading board (41) position, the bayonet socket has been seted up to the bilateral symmetry of protection shell (3), two bayonet socket department symmetry is provided with extrusion mechanism (7).

2. The weighing sensor protector according to claim 1, wherein the bottom of the bearing plate (41) is provided with a supporting block (42), sliding grooves are symmetrically formed in two sides of the inner wall of the protective housing (3), two sides of the bearing plate (41) are welded with protruding blocks, and a plurality of protruding blocks are respectively located in the corresponding sliding grooves and are in sliding connection with the corresponding sliding grooves.

3. The weighing sensor protector according to claim 1, characterized in that the bearing plate (41) is internally provided with a groove, the limiting mechanism (5) is arranged in the groove, and the height of the opening of the groove is smaller than the height of the inside of the groove.

4. The weighing sensor protector according to claim 1, wherein the limiting mechanism (5) comprises a first spring (51), the other end of the first spring (51) is connected with a clamping rod (52), and the clamping rod (52) is in an I shape.

5. A load cell protection device according to claim 3, characterized in that the buffer mechanism (6) comprises an auxiliary plate (61), the auxiliary plate (61) is provided with buffer springs (62), and the top ends of a plurality of the buffer springs (62) are connected with the bottom of the carrier plate (41).

6. The weighing sensor protector according to claim 1, wherein the pressing mechanism (7) comprises two springs (71), one ends of the two springs (71) are connected with a pressing plate (72), and a push rod (73) is welded on a side wall of the pressing plate (72).

7. A load cell protection device according to claim 6, wherein the diameter of the plurality of push rods (73) is smaller than the diameter of the bayonet, and wherein one end of each push rod (73) is located in the corresponding bayonet.