CN210014862U

CN210014862U - Low-flange tension-compression force sensor

Info

Publication number: CN210014862U
Application number: CN201920939891.5U
Authority: CN
Inventors: 史文全; 周琦; 吴志勇
Original assignee: Dongguan South Power Measurement And Control Equipment Co Ltd
Current assignee: Dongguan South Power Measurement And Control Equipment Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-02-04
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a low flange draws presses force cell sensor, which comprises a housin, the upper end of casing is provided with the mount pad, the upper end of mount pad is provided with the flange body, the mounting hole has been seted up to four corners department of casing upper end, the inside of casing is provided with insulating cover, the inside of insulating cover is provided with the piezoelectric patches, the inside of piezoelectric patches is provided with the electrode, the lower extreme of casing is provided with the atress lid, the right-hand member of casing is provided with fastening seat, fastening seat right-hand member four corners department has seted up the screw, all be provided with the bolt in the screw, the right-hand member of fastening seat is provided with screwed joint. The utility model discloses a set up mounting hole and insulating cover, solved and drawn the not enough problem of the not enough condition of stability and the not enough effect of inside insulation that can appear the installation among the pressure cell sensor.

Description

Low-flange tension-compression force sensor

Technical Field

The utility model relates to a measure and draw pressure technical field, specifically be a low flange draws and presses force cell sensor.

Background

The force-measuring sensor elastomer material is generally made of metal materials, most of the selected materials are aluminum alloy materials, alloy steel materials and stainless steel materials, the alloy materials have rigidity to ensure deformation consistency and deformation recovery, and good weather-resistant and corrosion-resistant properties, and the main requirements of the elastomer are that stress information can be accurately transmitted, and the deformation consistency and the complete restoration performance can be kept under the same stress.

However, the prior art has the following defects:

1. in the existing tension-compression force sensor, the installation is inconvenient, and the situation of insufficient installation stability can occur, so that the measured numerical value is inaccurate.

2. In the existing tension-compression force sensor, the internal insulation effect is insufficient, and the long-time use can cause the service life of the sensor to be reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art's not enough, the utility model provides a low flange draws presses force cell sensor has solved and has drawn the not enough problem of the not enough condition of stability and the not enough effect of internal insulation that can appear the installation among the pressure cell sensor.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low flange draws presses force cell sensor, includes the casing, the upper end of casing is provided with the mount pad, the upper end of mount pad is provided with the flange body, the inside of casing is provided with insulating cover, the inside of insulating cover is provided with the piezoelectric patches, the inside of piezoelectric patches is provided with the electrode, the lower extreme of casing is provided with the atress lid, the right-hand member of casing is provided with fastening seat, fastening seat's right-hand member is provided with screwed joint.

Preferably, mounting holes are formed in four corners of the upper end of the shell, and the insulating sleeve is arranged between the mounting holes.

Preferably, the lower end of the piezoelectric patch is connected with the lower end of the housing, the upper end of the stressed cover is arranged at the lower end of the housing corresponding to the piezoelectric patch, the stressed cover is provided with a bolt, and the upper end of the stressed cover is mounted on the housing through the bolt.

Preferably, screw holes are formed in four corners of the right end of the fastening seat, bolts are arranged in the screw holes, and the fastening seat is installed on the shell through the bolts.

Preferably, the middle part of the right end of the fastening seat is provided with a spiral port, the middle part of the spiral port is provided with a through hole, the spiral joint is provided with a through hole, and the caliber of the through hole on the spiral port is consistent with that of the through hole on the spiral joint.

Preferably, the position of the electrode corresponds to the position of the through hole, the right end of the electrode penetrates through the insulating sleeve and the shell, and the right end of the electrode is arranged in the through hole.

(III) advantageous effects

The utility model provides a low flange draws presses force cell sensor possesses following beneficial effect:

(1) the utility model discloses a set up the mounting hole, make the casing can fix on external structure through the flange body, installation between rethread exterior structure and the mounting hole is constituteed, thereby can restrict the position of casing, make the skew can not appear in the casing, the condition of shake and the like, thereby guarantee to draw the accuracy of pressure dynamometry, be connected with exterior structure through screwed joint, thereby make the electrode department of meeting in exterior structure and the screwed joint, install the fastening seat on the casing through the bolt, can guarantee screwed joint's stability, the problem that the stability that can appear the installation among the tension-compression force cell sensor is not enough has been solved, and the structure is simple simultaneously, the benefit of being convenient for to install.

(2) The utility model discloses a set up insulating cover, through establishing insulating cover in the outside of piezoelectric patches, contact between isolated piezoelectric patches and the casing, thereby increase the life of sensor, after long-time use, the condition of wearing and tearing can appear in insulating cover's outward appearance, consequently unscrew the bolt that the atress was covered, thereby can open the atress lid, thereby make insulating cover expose, at this moment can conveniently change insulating cover, the problem of the not enough effect of inside insulation among the tension-compression force cell sensor has been solved, the benefit of the change structure of being convenient for has been possessed simultaneously.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic view of the fastening base of FIG. 1;

fig. 3 is a structural view of the screw joint of fig. 1 according to the present invention.

The reference numbers in the figures are: 1. a housing; 2. a flange body; 3. a mounting seat; 4. mounting holes; 5. a fastening seat; 6. a screw joint; 7. a bolt; 8. an electrode; 9. an insulating sleeve; 10. a stressed cover; 11. a piezoelectric sheet; 12. a screw opening; 13. a screw hole; 14. and a through hole.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a low-flange tension-compression force measuring sensor comprises a shell 1, wherein a mounting seat 3 is arranged at the upper end of the shell 1, a flange body 2 is arranged at the upper end of the mounting seat 3, an insulating sleeve 9 is arranged inside the shell 1, a piezoelectric sheet 11 is arranged inside the insulating sleeve 9, an electrode 8 is arranged inside the piezoelectric sheet 11, a stressed cover 10 is arranged at the lower end of the shell 1, a fastening seat 5 is arranged at the right end of the shell 1, a spiral joint 6 is arranged at the right end of the fastening seat 5, mounting holes 4 are formed in four corners of the upper end of the shell 1, the position of the insulating sleeve 9 is arranged between the mounting holes 4 and the mounting holes 4, the shell 1 can be fixed on an external structure through the flange body 2, and then the shell is assembled between the external structure and the mounting holes 4, so that the position of the shell 1 can be limited, the shell 1 cannot deviate or shake, and the like, and the, the connecting structure is connected with an external structure through the spiral connector 6, so that the connecting part of the external structure and an electrode 8 in the spiral connector 6 is arranged on the shell 1 through the bolt 7, the stability of the spiral connector 6 can be ensured, the problem of insufficient stability of installation in a tension-compression force measuring sensor is solved, meanwhile, the connecting structure has the advantages of simple structure and convenience in installation, the connecting part of the lower end of the piezoelectric sheet 11 and the lower end of the shell 1 is arranged, the upper end of the stress cover 10 is arranged at the lower end of the position of the shell 1 corresponding to the piezoelectric sheet 11, the bolt 7 is arranged on the stress cover 10, the upper end of the stress cover 10 is arranged on the shell 1 through the bolt 7, screw holes 13 are formed in four corners of the right end of the fastening seat 5, the bolts 7 are arranged in the screw holes 13, the fastening seat 5 is arranged on the shell 1 through the bolts 7, the insulating sleeve 9 is sleeved on the outer side of the piezoelectric sheet 11, thereby increase the life of sensor, after long-time use, the condition of wearing and tearing can appear in the outward appearance of insulating cover 9, consequently unscrew bolt 7 on the atress lid 10, thereby can open atress lid 10, thereby make insulating cover 9 expose, at this moment, insulating cover 9 can conveniently be changed, the problem of the not enough effect of inside insulation among the tension-compression force cell sensor has been solved, the benefit of being convenient for change the structure has been possessed simultaneously, spiral mouth 12 has been seted up at the middle part of fastening seat 5 right-hand member, through-hole 14 has been seted up at the middle part of spiral mouth 12, through-hole 14 has been seted up on the screwed joint 6, the bore of through-hole 14 on the spiral mouth 12 is unanimous with the bore of through-hole 14 on the screwed joint 6, the position of electrode 8 is corresponding with the position of through-hole 14, the right-hand member of electrode 8 passes insulating cover 9 and casing.

The working principle is as follows: when the utility model is used, the shell 1 can be fixed on the external structure through the flange body 2, and the position of the shell 1 can be limited through the installation assembly between the external structure and the installation hole 4, so that the shell 1 can not generate the conditions of deviation, shaking and the like, is connected with the external structure through the screw joint 6, so that the external structure is connected with the electrode 8 in the screw joint 6, the fastening seat 5 is arranged on the shell 1 through the bolt 7, the stability of the screw joint 6 can be ensured, by sleeving the insulating sleeve 9 on the outer side of the piezoelectric patch 11, the contact between the piezoelectric patch 11 and the shell 1 is isolated, after long-time use, the outer surface of the insulating sleeve 9 is abraded, so that the bolt 7 on the stressed cover 10 is unscrewed, the stressed cover 10 can be opened, the insulating sleeve 9 is exposed, and the insulating sleeve 9 can be conveniently replaced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a low flange draws presses force cell sensor, includes casing (1), its characterized in that: the upper end of casing (1) is provided with mount pad (3), the upper end of mount pad (3) is provided with flange body (2), the inside of casing (1) is provided with insulating cover (9), the inside of insulating cover (9) is provided with piezoelectric patches (11), the inside of piezoelectric patches (11) is provided with electrode (8), the lower extreme of casing (1) is provided with atress lid (10), the right-hand member of casing (1) is provided with fastening seat (5), the right-hand member of fastening seat (5) is provided with screwed joint (6).

2. A low-flange tension-compression load cell as in claim 1, wherein: mounting holes (4) are formed in four corners of the upper end of the shell (1), and the insulating sleeve (9) is arranged between the mounting holes (4) and the mounting holes (4).

3. A low-flange tension-compression load cell as in claim 1, wherein: the lower end of the piezoelectric sheet (11) is connected with the lower end of the shell (1), the upper end of the stressed cover (10) is arranged at the lower end of the position, corresponding to the piezoelectric sheet (11), of the shell (1), a bolt (7) is arranged on the stressed cover (10), and the upper end of the stressed cover (10) is installed on the shell (1) through the bolt (7).

4. A low-flange tension-compression load cell as in claim 1, wherein: screw holes (13) are formed in four corners of the right end of the fastening seat (5), bolts (7) are arranged in the screw holes (13), and the fastening seat (5) is installed on the shell (1) through the bolts (7).

5. A low-flange tension-compression load cell as in claim 1, wherein: the middle part of the right end of the fastening seat (5) is provided with a spiral opening (12), the middle part of the spiral opening (12) is provided with a through hole (14), the spiral joint (6) is provided with the through hole (14), and the caliber of the through hole (14) on the spiral opening (12) is consistent with that of the through hole (14) on the spiral joint (6).

6. A low-flange tension-compression load cell as in claim 1, wherein: the position of the electrode (8) corresponds to the position of the through hole (14), the right end of the electrode (8) penetrates through the insulating sleeve (9) and the shell (1), and the right end of the electrode (8) is arranged in the through hole (14).