CN212482674U

CN212482674U - High-speed weighing sensor

Info

Publication number: CN212482674U
Application number: CN202021695628.5U
Authority: CN
Inventors: 刘国平
Original assignee: Guangzhou Garui Industrial Equipment Co ltd
Current assignee: Guangzhou Garui Industrial Equipment Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-02-05
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a high-speed weighing sensor, including the sensor main casing body, the deformation hole has been run through to both sides around the sensor main casing body, other fixed mounting is equallyd divide equally in the upper and lower both sides that are close to the deformation hole to sensor main casing body inside, the upper and lower both sides of the sensor main casing body all are provided with the deformation groove, and the bottom equidistance in the deformation groove that is close to sensor main casing body upside is provided with a plurality of stress tanks, both sides are equallyd divide in the one end that is close to the deformation groove about the sensor main casing body and do not are connected with the connecting seat, and the connecting seat of both sides sets up mutually in error. This kind of high-speed weighing sensor, simple structure is reasonable, and the modern design to can effectively solve the fastening screw of the main casing body of traditional sensor and be difficult for dismantling the defect of changing after warping, be convenient for dismantle the maintenance to the sensor, have higher practical value.

Description

High-speed weighing sensor

Technical Field

The utility model relates to a sensor technical field specifically is a high-speed 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.

The cantilever type resistance strain type force transducer is one of high-speed weighing sensors, and the principle of the resistance strain type force transducer is as follows: the sensor is stressed to cause the elastic body to deform, so that the resistance value of the metal wire grid in the strain foil on the elastic body is linearly changed, and the conversion from physical quantity to electric signal is realized. In prior art, when resistance strain-type force cell sensor installation was used, often adopted fastening screw directly to pass the mode and the mount fixed mounting and the use of the main casing body of sensor, when the sensor was used under great load, fastening screw probably took place deformation, led to the sensor to receive the damage, and fastening screw after deformation is difficult for demolising the change simultaneously, caused user's use inconvenient, therefore we made the improvement to this, provided a high-speed weighing sensor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a high-speed weighing sensor, including the sensor main casing body, the deformation hole has been run through to both sides around the sensor main casing body, the sensor main casing body is inside and equally divides equal fixed mounting in the upper and lower both sides that are close to the deformation hole has the foil gage, the upper and lower both sides of the sensor main casing body all are provided with the deformation groove, and are provided with a plurality of stress tanks at the bottom equidistance of the deformation groove that is close to sensor main casing body upside, both sides are equallyd divide in the one end that is close to the deformation groove about the sensor main casing body and do not are connected with the connecting seat, just the connecting seat sets up in the mistake of connecting seat about the sensor main casing body, the sensor main casing body is in the equal fixedly connected with connecting block in.

As a preferred technical scheme of the utility model, the cross-section of connecting block is "T" font, just the connecting block all is provided with the arc surface to the expansion of both sides around keeping away from the one end with the sensor main casing body junction.

As a preferred technical scheme of the utility model, connecting block top side all is provided with the screw hole, the connecting seat is equallyd divide in the position department that corresponds with the screw hole and is do not equipped with the through-hole.

As a preferred technical scheme of the utility model, the internally mounted of through-hole has the spacer pin, the one end of spacer pin is provided with the external screw thread of mutually supporting with the screw hole.

As a preferred technical scheme of the utility model, both sides all set up the flange of outside expansion around the connecting seat to all be provided with a pair of pilot hole on the flange.

As a preferred technical scheme of the utility model, sensor main casing body one side fixed mounting has the wiring port to be connected with the wire in the one end of wiring port, just wire and the internal portion of sensor main casing handle chip electric connection.

As a preferred technical scheme of the utility model, the rubber pad has all been bonded in the outside in deformation groove, just the rubber pad lateral surface is equallyd divide do not to flushing with the upper and lower side of the sensor main casing body.

The utility model has the advantages that: according to the high-speed weighing sensor, the connecting seat is used for replacing a traditional mounting mode that a fastening screw penetrates through the main sensor shell directly, the defect that the fastening screw of the main sensor shell is not easy to detach and replace after deformation is effectively overcome, meanwhile, the connecting block arranged on the main sensor shell is matched with the connecting groove at the bottom side of the connecting seat for mounting, so that the connecting seat is quickly detached on the main sensor shell, and the mounting, the overhauling and the maintenance of the sensor are facilitated; the utility model has the advantages of simple and reasonable structure, the modern design to can effectively solve the defect that the fastening screw of the traditional sensor main casing body was difficult for dismantling and change after warping, be convenient for dismantle the maintenance to the sensor, have higher practical value.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of the overall structure of a high-speed weighing sensor of the present invention;

fig. 2 is a schematic diagram of the high-speed weighing sensor according to the present invention.

In the figure: 1. a sensor main housing; 2. a deformation hole; 3. a deformation groove; 4. a connecting seat; 5. an assembly hole; 6. connecting blocks; 7. a threaded hole; 8. a through hole; 9. a spacing pin; 10. a stress slot; 11. connecting grooves; 12. a strain gauge; 13. a wiring port; 14. and (4) conducting wires.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-2, the high-speed weighing sensor of the present invention comprises a sensor main housing 1, deformation holes 2 penetrate through the front side and the rear side of the sensor main shell 1, strain gauges 12 are respectively and fixedly installed on the upper side and the lower side of the sensor main shell 1 close to the deformation holes 2, deformation grooves 3 are respectively arranged on the upper side and the lower side of the sensor main shell 1, and a plurality of stress grooves 10 are equidistantly arranged at the bottom of the deformation groove 3 close to the upper side of the sensor main shell 1, the upper and lower sides of the sensor main shell 1 are respectively connected with a connecting seat 4 at one end close to the deformation groove 3, the connecting seats 4 on the upper and lower sides of the sensor main shell 1 are arranged in a staggered manner, the connecting blocks 6 are fixedly connected to one side of the sensor main shell 1 close to the connecting part of the connecting seats 4, and one side of the connecting seat 4 at the connection part with the sensor main shell 1 is provided with a connecting groove 11 mutually clamped with the connecting block 6.

The cross section of the connecting block 6 is T-shaped, and the ends of the connecting block 6 far away from the connection part with the sensor main shell 1 are provided with arc surfaces expanding towards the front side and the rear side.

Wherein, the top side of connecting block 6 all is provided with screw hole 7, connecting seat 4 is equallyd divide and is equipped with through-hole 8 respectively with the corresponding position department of screw hole 7.

Wherein, the internally mounted of through-hole 8 has spacer pin 9, the one end of spacer pin 9 is provided with the external screw thread of mutually supporting with screw hole 7, uses through the cooperation of spacer pin 9 with screw hole 7, is convenient for realize the quick spacing locking to connecting seat 4, and then is convenient for improve the installation stability of the main casing body of sensor, and then is convenient for improve the measurement accuracy of sensor.

Wherein, both sides all set up the flange of outside expansion around connecting seat 4 to all be provided with a pair of pilot hole 5 on the flange.

Wherein, sensor main casing 1 one side fixed mounting has wiring port 13 to be connected with wire 14 in the one end of wiring port 13, just wire 14 and the inside processing chip electric connection of sensor main casing 1.

Wherein, the rubber pad has all been bonded in the outside in deformation groove 3, just the rubber pad lateral surface is equallyd divide and is do not to flushing with the upper and lower side of the main casing body 1 of sensor, through the rubber pad, can prevent effectively that debris from getting into deformation groove 3 and stress groove 10, causes the sensor to calculate the inaccurate condition and appears.

The working principle is as follows: right the utility model provides a when the sensor is installed, the accessible slides in connecting seat 4 from one side of the sensor main casing body 1 to make connecting block 6 and the mutual block of spread groove 11, then insert through-hole 8 with spacer pin 9, and accomplish the quick fixed connection of spacer pin 9 and screw hole 7 with the help of the instrument, pass pilot hole 5 on the connecting seat 4 through fastening screw at last, accomplish the integral erection of sensor. When the sensor is used, one end of the sensor is loaded, so that the resistance value of the strain gauge 12 in the sensor is changed, and the rapid measurement and calculation of the load are completed through the calculation processing of an internal chip. According to the high-speed weighing sensor, the connecting seat 4 is used for replacing a traditional fastening screw to directly penetrate through the main sensor shell 1, the defect that the fastening screw of the main sensor shell is not easy to detach and replace after deformation is effectively overcome, and meanwhile, the connecting block 6 arranged on the main sensor shell is matched with the connecting groove 11 on the bottom side of the connecting seat 4 for installation, rapid detachment and installation of the connecting seat on the main sensor shell are achieved, so that the installation, maintenance and repair of the sensor are facilitated; the utility model has the advantages of simple and reasonable structure, the modern design to can effectively solve the defect that the fastening screw of the traditional sensor main casing body was difficult for dismantling and change after warping, be convenient for dismantle the maintenance to the sensor, have higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-speed weighing sensor, includes sensor main casing body (1), both sides run through there are deformation hole (2) around sensor main casing body (1), inside the upper and lower both sides of being close to deformation hole (2) of sensor main casing body (1) are equallyd divide do fixed mounting have foil gage (12), its characterized in that, the upper and lower both sides of sensor main casing body (1) all are provided with deformation groove (3), and are provided with a plurality of stress channels (10) in the bottom equidistance of deformation groove (3) that is close to sensor main casing body (1) upside, both sides are equallyd divide in the one end of being close to deformation groove (3) and are do not connected with connecting seat (4) about sensor main casing body (1), and connecting seat (4) the staggered arrangement of both sides about sensor main casing body (1), the equal fixedly connected with connecting block (6) in one side of, and one side of the connecting seat (4) at the joint with the sensor main shell (1) is provided with a connecting groove (11) which is mutually clamped with the connecting block (6).

2. The high-speed weighing sensor according to claim 1, wherein the cross section of the connecting block (6) is in a T shape, and the ends of the connecting block (6) far away from the connection part with the sensor main shell (1) are provided with arc surfaces expanding towards the front and the back.

3. A high-speed weighing sensor according to claim 1, wherein the top sides of the connecting blocks (6) are provided with threaded holes (7), and the connecting blocks (4) are provided with through holes (8) at positions corresponding to the threaded holes (7), respectively.

4. A high-speed weighing sensor according to claim 3, characterized in that a limit pin (9) is mounted inside the through hole (8), and one end of the limit pin (9) is provided with an external thread which is matched with the threaded hole (7).

5. A high-speed weighing sensor according to claim 1, wherein the connecting base (4) is provided with outwardly flared flanges on both front and rear sides thereof, and a pair of fitting holes (5) are provided in the flanges.

6. The high-speed weighing sensor according to claim 1, wherein a wiring port (13) is fixedly arranged on one side of the sensor main shell (1), a lead (14) is connected to one end of the wiring port (13), and the lead (14) is electrically connected with a processing chip in the sensor main shell (1).

7. The high-speed weighing sensor according to claim 1, wherein rubber pads are bonded to the outer sides of the deformation grooves (3), and the outer sides of the rubber pads are flush with the upper side and the lower side of the sensor main shell (1) respectively.