CN211855514U - Column type weighing sensor - Google Patents

Abstract

The utility model discloses a column type weighing sensor, including mounting panel and sensor body, the top fixedly connected with sleeve pipe of mounting panel, the equal fixedly connected with pressure spring cover in sheathed tube both sides, the equal sliding connection in inside of two pressure spring covers has the slide bar, the equal fixedly connected with ball head of one end of two slide bars. The utility model discloses when using, the testee presses at the top of bearing head, carries out the measurement of weight through the decurrent displacement volume of bearing head, and when the weight of testee was too big, the testee directly pressed in the top of sensor body, and two spherical heads break away from spherical groove this moment for the sensor body moves down in the sleeve pipe, and the second spring carries out the shock attenuation to the sensor body this moment, makes outside sleeve pipe to supporting the testee, current weighing sensor compares, the utility model discloses can effectively avoid the damage of the overweight to the sensor of testee, make follow-up measuring error little, the precision is higher.

Description

Column type weighing sensor

Technical Field

The utility model relates to a weighing sensor, in particular to column type weighing sensor.

Background

A load cell is essentially a device that converts a mass signal into a measurable electrical signal output. The sensor is used in consideration of the actual working environment of the sensor, which is important for correctly selecting the weighing sensor, and the sensor is related to whether the sensor can work normally, the safety and the service life of the sensor, and even the reliability and the safety of the whole weighing apparatus. On the basis of basic concepts and evaluation methods of main technical indexes of the weighing sensor, the new national standard and the old national standard have qualitative differences. The device mainly comprises an S-shaped, a cantilever type, a spoke type, a plate ring type, a diaphragm box type, a bridge type, a column cylinder type and the like.

In view of the above, chinese patent No. CN208984184U proposes a column-type weighing sensor; chinese patent No. CN103389151A proposes a column-type weighing sensor mounting kit; chinese patent No. CN104089688A proposes a thin-wall blind-hole type column-type weighing sensor. However, the weighing sensor in the above patent measures the weight by the displacement of the pressure-bearing head, and when the weight of the measured object is heavy, the measured object is pressed against the sensor body, which easily causes the sensor body to be damaged, so that the accuracy of the sensor is reduced, and the error of the measurement result is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a column type weighing sensor to press on the sensor body between the measured object that proposes in solving above-mentioned background art, lead to the sensor body to damage easily, thereby make the precision of sensor descend, the big problem of measuring result error.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a column type weighing sensor, includes mounting panel and sensor body, the top fixedly connected with sleeve pipe of mounting panel, the equal fixedly connected with pressure spring cover in sheathed tube both sides, two the equal sliding connection in inside of pressure spring cover has the slide bar, two the equal fixedly connected with spherical head of one end of slide bar, two the equal fixedly connected with baffle of slide bar, through first spring elastic connection between baffle and the pressure spring cover, spherical groove has all been seted up to sensor body's both sides.

Preferably, a pressure bearing head is installed at the top end of the sensor body, and a second spring is installed inside the sleeve.

Preferably, the sensor body is arranged inside the sleeve, a convex strip is arranged on the front surface of the sensor body, a convex groove is formed in the inner wall of the sleeve, and the convex strip is matched with the convex groove.

Preferably, both of the spherical heads are adapted to the corresponding spherical grooves.

Preferably, the mounting holes are formed in the two sides of the mounting plate.

Preferably, the top end of the second spring is attached to the bottom end of the sensor body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when using, the testee presses at the top of bearing head, carries out the measurement of weight through the decurrent displacement volume of bearing head, and when the weight of testee was too big, the testee directly pressed in the top of sensor body, and two spherical heads break away from spherical groove this moment for the sensor body moves down in the sleeve pipe, and the second spring carries out the shock attenuation to the sensor body this moment, makes outside sleeve pipe to supporting the testee, current weighing sensor compares, the utility model discloses can effectively avoid the damage of the overweight to the sensor of testee, make follow-up measuring error little, the precision is higher.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. mounting a plate; 2. a sleeve; 3. a sensor body; 4. a pressure-bearing head; 5. a convex strip; 6. a compression spring sleeve; 7. a slide bar; 8. mounting holes; 9. a baffle plate; 10. a first spring; 11. a spherical head; 12. a spherical groove; 13. a second spring; 14. a convex groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution of a column-type weighing sensor: a column type weighing sensor comprises a mounting plate 1 and a sensor body 3, wherein the top end of the mounting plate 1 is fixedly connected with a sleeve 2, both sides of the sleeve 2 are fixedly connected with a pressure spring sleeve 6, the insides of the two pressure spring sleeves 6 are respectively and slidably connected with a sliding rod 7, one end of each of the two sliding rods 7 is respectively and fixedly connected with a spherical head 11, the two sliding rods 7 are respectively and fixedly connected with a baffle 9, the baffle 9 and the pressure spring sleeve 6 are elastically connected through a first spring 10, and both sides of the sensor body 3 are respectively provided with a spherical groove 12. when the column type weighing sensor is used, a measured object is pressed on the top of a pressure bearing head 4, the weight is measured through the downward displacement of the pressure bearing head 4, when the weight of the measured object is overlarge, the measured object is directly pressed on the top end of the sensor body 3, at the moment, the two spherical heads 11 are separated from the spherical grooves 12, second spring 13 carries out the shock attenuation to sensor body 3 this moment for outside sleeve pipe 2 is to supporting the testee, current weighing sensor compares, the utility model discloses can effectively avoid the testee overweight to the damage of sensor for follow-up measuring error is little, and the precision is higher.

Example two:

on the basis of the first embodiment, referring to fig. 2 and 3, a pressure-bearing head 4 is installed at the top end of a sensor body 3, a second spring 13 is installed inside a sleeve 2, the sensor body 3 is installed inside the sleeve 2, a convex strip 5 is arranged on the front surface of the sensor body 3, a convex groove 14 is formed in the inner wall of the sleeve 2, the convex strip 5 is matched with the convex groove 14, a spherical head 11 is fixedly connected to one end of each of two sliding rods 7, the spherical head 11 is matched with the spherical groove 12, mounting holes 8 are formed in two sides of a mounting plate 1, the top end of the second spring 13 is attached to the bottom end of the sensor body 3, when the sensor is installed, the sliding rods 7 on two sides are pulled outwards, the convex strip 5 on the front surface of the sensor body 3 is aligned with the concave groove 14 on the inner side of the sleeve 2, the sensor body 3 is pressed downwards, and when the sensor, two sliding rods 7 are loosened, at the moment, the first spring 10 drives the two sliding rods 7 to be pressed inwards, so that the spherical head 11 is clamped with the spherical grooves 12 on the two sides of the sensor body 3, and then the mounting plate 1 is mounted through the two mounting holes 8.

When the column type weighing sensor is used, when the sensor is installed, the sliding rods 7 on two sides are pulled outwards at the time, then the raised strips 5 on the front side of the sensor body 3 are aligned with the grooves 14 on the inner side of the sleeve 2, the sensor body 3 is pressed downwards, when the sensor body 3 senses resistance, the two sliding rods 7 are loosened, the first spring 10 drives the two sliding rods 7 to press inwards at the time, so that the spherical head 11 is clamped with the spherical grooves 12 on two sides of the sensor body 3, then the mounting plate 1 is mounted through the two mounting holes 8, a measured object is pressed on the top of the pressure bearing head 4, weight measurement is carried out through the downward displacement of the pressure bearing head 4, when the weight of the measured object is overlarge, the measured object is directly pressed on the top end of the sensor body 3, at the time, the two spherical heads 11 are separated from the spherical grooves 12, make sensor body 3 move down in sleeve pipe 2, second spring 13 carries out the shock attenuation to sensor body 3 this moment for outside sleeve pipe 2 is to supporting the testee, current weighing sensor compares, the utility model discloses can effectively avoid the testee overweight to the damage of sensor for follow-up measuring error is little, and the precision is higher.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a column type weighing sensor, includes mounting panel (1) and sensor body (3), its characterized in that: the top fixedly connected with sleeve pipe (2) of mounting panel (1), the equal fixedly connected with pressure spring cover (6) in both sides of sleeve pipe (2), two the equal sliding connection in inside of pressure spring cover (6) has slide bar (7), two the equal fixedly connected with spherical head (11) in one end of slide bar (7), two equal fixedly connected with baffle (9) in slide bar (7), through first spring (10) elastic connection between baffle (9) and pressure spring cover (6), spherical groove (12) have all been seted up to the both sides of sensor body (3).

2. The column-type load cell of claim 1, wherein: the pressure-bearing head (4) is installed on the top end of the sensor body (3), and the second spring (13) is installed inside the sleeve (2).

3. The column-type load cell of claim 1, wherein: the sensor comprises a sensor body (3) and is characterized in that the sensor body (3) is arranged inside a sleeve (2), a convex strip (5) is arranged on the front surface of the sensor body (3), a convex groove (14) is formed in the inner wall of the sleeve (2), and the convex strip (5) is matched with the convex groove (14).

4. The column-type load cell of claim 1, wherein: the two spherical heads (11) are matched with the corresponding spherical grooves (12).

5. The column-type load cell of claim 1, wherein: mounting holes (8) are formed in the two sides of the mounting plate (1).

6. The column load cell of claim 2, wherein: the top end of the second spring (13) is attached to the bottom end of the sensor body (3).

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