CN216386101U

CN216386101U - Elastomer workpiece for integrated square-structure two-component force sensor

Info

Publication number: CN216386101U
Application number: CN202123239897.8U
Authority: CN
Inventors: 陈刚龙
Original assignee: Dongguan Hengqiang Precision Hardware Products Co ltd
Current assignee: Dongguan Hengqiang Precision Hardware Products Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-04-26
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an elastomer workpiece for an integrated square-structure two-component force sensor, which comprises an upper connecting block and a lower connecting block, wherein a connecting screw hole is formed in the upper connecting block, an upper cylinder is arranged below the upper connecting block, an upper groove is formed in the upper cylinder, a partition plate is arranged below the upper cylinder, a through hole is formed in the left side of the inside of the partition plate, a lower cylinder is arranged below the partition plate, a lower groove is formed in the lower cylinder, sliding blocks are arranged on two sides of the upper connecting block, and a side plate is connected to the left side of each sliding block. This elastomer work piece that square structure two component force sensors of integral type was used through the curb plate structure that sets up, carries out the connection of PCB board and foil gage, damages appearing the elastomer, can take off whole curb plate structure through pressing the movable block to make its and elastomer separation, change new elastomer and can continue to use, can effectual reduction use cost.

Description

Elastomer workpiece for integrated square-structure two-component force sensor

Technical Field

The utility model relates to the technical field of mechanical sensors, in particular to an elastomer workpiece for an integrated square-structure two-component force sensor.

Background

The mechanical sensor is a sensor capable of detecting force, which converts force into an electrical signal to output, so as to quantify the applied force, and generally comprises an elastic body, a strain gauge and a PCB, and the strain gauge changes due to the deformation of the elastic body, so that the resistance of the strain gauge changes, and the PCB detects the magnitude of current passing through the strain gauge, so as to output a corresponding force value, but the elastic body for the force sensor in the market still has the following problems:

1. in the use process of the mechanical sensor, the deformation amplitude of the elastic body is larger due to overlarge force sometimes, when the deformation amplitude is larger than the elastic deformation limit of the elastic body, the elastic body cannot be recovered, the mechanical sensor is regarded as damaged at the moment, but the PCB and the strain gauge can still work normally, and the whole body needs to be scrapped due to the fixed connection of the mechanical sensor and the elastic body, so that the waste of resources is caused, and the use cost is increased;

2. the existing force sensor detects force through the deformation degree of a strain beam in an elastic body, but the force and the strain beam are not in the same plane sometimes, so that component forces in other directions exist, the detection is not accurate enough, and the problem that the force is larger than the detection force is easy to occur.

Aiming at the problems, the novel design is carried out on the basis of the elastic body for the force sensor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elastomer workpiece for an integrated square-structure two-component force sensor, the problem that when the mechanical sensor provided by the background art is used, the deformation amplitude of the elastic body is larger due to overlarge force sometimes, and the deformation amplitude is larger than the elastic deformation limit of the elastic body, the elastomer will not be able to recover, at which point the mechanical sensor is considered to be damaged, but its PCB board and strain gauge can still work properly, the whole body needs to be scrapped due to the fixed connection of the elastic body, which causes the waste of resources, and the use cost is increased, the existing force sensor detects the force through the deformation degree of the strain beam in the elastic body, however, sometimes the force and the strain beam are not in the same plane, resulting in other direction component forces, and at this time, the detection is not accurate enough, and the problem that the force is greater than the detection force is easy to occur.

In order to achieve the purpose, the utility model provides the following technical scheme: elastomer work piece that integral type square structure two component force sensor used, including last connecting block and lower connecting block, go up the inside connection screw that is provided with of connecting block, and go up the connecting block below and be provided with the cylinder, go up the inside fluting that is provided with of cylinder, and go up the cylinder below and be provided with the baffle to the inside left side of baffle is provided with the through-hole, the baffle below is provided with down the cylinder, and the inside fluting down that is provided with of cylinder down, it is provided with the slider to go up the connecting block both sides, and is connected with the curb plate on the left of the slider, the inside board groove that is provided with of curb plate, and board groove one side is provided with the apron, the curb plate top is provided with presses the piece, and presses the piece below and be provided with the fixture block to one side of fixture block is provided with the lug.

Preferably, the upper connecting block is fixedly connected with the connecting screw hole, the upper connecting block and the upper cylinder are integrally arranged, the upper cylinder is made of aluminum alloy, the upper cylinder is fixedly connected with the upper groove, and the upper groove is fixedly connected with the upper strain beam.

Preferably, the baffle and the upper cylinder are integrally arranged, the baffle and the lower cylinder are integrally arranged, the baffle is fixedly connected with the through hole, the baffle is slidably connected with the pressing block, and the pressing block and the pressure spring form a spring reset structure.

Preferably, the lower cylinder is made of aluminum alloy, the lower cylinder and the upper cylinder are symmetrically arranged about the transverse center line of the partition board, the lower cylinder is fixedly connected with the lower opening groove, the lower opening groove is fixedly connected with the lower strain beam, the lower opening groove is perpendicular to the upper opening groove, the lower cylinder is fixedly connected with the lower connecting block, the lower connecting block is fixedly connected with the connecting screw hole, and the lower connecting block is symmetrically arranged about the transverse center line of the partition board.

Preferably, the sliding block is connected with the sliding groove in a sliding mode, the sliding block is symmetrically arranged relative to the transverse center line of the upper connecting block, the sliding groove is fixedly connected with the upper connecting block, the sliding block is integrally arranged with the side plate, the side plate is fixedly connected with the plate groove, the plate groove is fixedly connected with the wire inlet hole, the plate groove is fixedly connected with the wire outlet hole, the side plate is rotatably connected with the cover plate, and the cover plate and the side plate form a magnetic attraction structure through the magnetic block.

Preferably, the side plate is connected with the pressing block in a sliding mode, the pressing block and the clamping block are integrally arranged, the clamping block and the reset spring form a spring reset structure, the clamping block and the protruding block are clamped with each other, the protruding block is connected with the side plate in a sliding mode, and the protruding block and the upper connecting block are integrally arranged.

Compared with the prior art, the utility model has the beneficial effects that: the elastomer workpiece for the integrated square-structure two-component force sensor,

1. the PCB and the strain gauge are connected through the arranged side plate structure, when the elastic body is damaged, the whole side plate structure can be taken down through the pressing block, so that the side plate structure is separated from the elastic body, the elastic body can be continuously used after being replaced by a new one, and the use cost can be effectively reduced;

2. through the upper column body and the lower column body which are arranged, the upper vertical groove and the lower vertical groove are arranged, the upper vertical strain beam and the lower vertical strain beam are obtained, so that the oblique force is detected in two directions, the accurate applied force is obtained through two sets of detection data, and the detection precision is improved.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is a schematic diagram of a right-side cross-sectional view of the upper connecting block according to the present invention;

fig. 5 is a schematic view of the overall three-dimensional structure of the present invention.

In the figure: 1. an upper connecting block; 2. a connecting screw hole; 3. an upper column; 4. an upper groove is formed; 5. an upper strain beam; 6. a partition plate; 7. a lower column; 8. lower grooving; 9. a lower strain beam; 10. a lower connecting block; 11. a slider; 12. a side plate; 13. a wire inlet hole; 14. a magnetic block; 15. a plate groove; 16. a cover plate; 17. a wire outlet hole; 18. pressing the block; 19. a clamping block; 20. a bump; 21. a return spring; 22. briquetting; 23. a pressure spring; 24. a through hole; 25. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 3 and fig. 5, the present invention provides a technical solution: an elastomer workpiece for an integral square-structure two-component force sensor comprises an upper connecting block 1 and a lower connecting block 10, in order to enable detection to be more accurate, a connecting screw hole 2 is arranged inside the upper connecting block 1, an upper cylinder 3 is arranged below the upper connecting block 1, an upper groove 4 is arranged inside the upper cylinder 3, a partition plate 6 is arranged below the upper cylinder 3, a through hole 24 is arranged on the left side inside the partition plate 6, a lower cylinder 7 is arranged below the partition plate 6, a lower groove 8 is arranged inside the lower cylinder 7, the upper connecting block 1 is fixedly connected with the connecting screw hole 2, the upper connecting block 1 and the upper cylinder 3 are integrally arranged, the upper cylinder 3 is made of aluminum alloy, the upper cylinder 3 is fixedly connected with the upper groove 4, the upper groove 4 is fixedly connected with an upper strain beam 5, the partition plate 6 and the upper cylinder 3 are integrally arranged, and the partition plate 6 and the lower cylinder 7 are integrally arranged, the partition board 6 is fixedly connected with the through hole 24, the partition board 6 is connected with the press block 22 in a sliding manner, the press block 22 and the pressure spring 23 form a spring return structure, the lower cylinder 7 is made of aluminum alloy, the lower cylinder 7 and the upper cylinder 3 are symmetrically arranged about the transverse center line of the partition board 6, the lower cylinder 7 is fixedly connected with the lower groove 8, the lower groove 8 is fixedly connected with the lower strain beam 9, the lower groove 8 and the upper groove 4 are mutually perpendicular, the lower cylinder 7 is fixedly connected with the lower connecting block 10, the lower connecting block 10 is fixedly connected with the connecting screw hole 2, the lower connecting block 10 is symmetrically arranged about the transverse center line of the partition board 6, the upper cylinder 3 and the lower cylinder 7 are arranged to form the mutually perpendicular strain beams, so that detection in different directions can be carried out, more accurate force can be obtained, and the partition board 6 and the through hole 24 are arranged at the same time, the measured signal line is fixed by the press block 22, the interference of the measuring result is prevented, and the measuring precision is further improved.

Referring to fig. 1, 2 and 4, in order to enable the damage of the elastic body to be quickly replaced and reduce the use cost, the two sides of the upper connecting block 1 are provided with the sliding blocks 11, the left side of the sliding block 11 is connected with the side plate 12, the inner part of the side plate 12 is provided with the plate groove 15, one side of the plate groove 15 is provided with the cover plate 16, the upper part of the side plate 12 is provided with the pressing block 18, the lower part of the pressing block 18 is provided with the clamping block 19, one side of the clamping block 19 is provided with the convex block 20, the sliding blocks 11 are slidably connected with the sliding grooves 25, the sliding blocks 11 are symmetrically arranged about the transverse center line of the upper connecting block 1, the sliding grooves 25 are fixedly connected with the upper connecting block 1, the sliding blocks 11 and the side plate 12 are integrally arranged, the side plate 12 is fixedly connected with the plate groove 15, the plate groove 15 is fixedly connected with the wire inlet hole 13, the plate groove 15 is fixedly connected with the wire outlet hole 17, the side plate 12 is rotatably connected with the cover plate 16, and the cover plate 16 and the side plate 12 form a magnetic attraction structure through the magnetic block 14, the side plate 12 is slidably connected with the pressing block 18, the pressing block 18 and the fixture block 19 are integrally arranged, the fixture block 19 and the reset spring 21 form a spring reset structure, the fixture block 19 and the projection 20 are clamped with each other, the projection 20 is slidably connected with the side plate 12, the projection 20 and the upper connecting block 1 are integrally arranged, the side plate 12 is used for fixing a measuring circuit, the side plate 12 and the upper connecting block 1 are arranged in a separated mode, and therefore the effect of quickly replacing the elastic body is achieved.

Referring to fig. 1, 2, 4 and 5, in order to increase cutting efficiency, a waste gas port 11 is disposed above a housing 1, a discharging frame 18 is disposed on one side of the housing 1, one end of the discharging frame 18 is connected with a material conveying frame 16, a pressing block 13 is disposed inside the material conveying frame 16, a pressing wheel 15 is disposed on one side of the pressing block 13, the discharging frame 18 is fixedly connected with the housing 1, the discharging frame 18 and the material conveying frame 16 are integrally disposed, the material conveying frame 16 is slidably connected with the pressing block 13, the pressing block 13 is equidistantly disposed on the material conveying frame 16, the pressing block 13 and a pressing spring 14 form a spring return structure, the pressing block 13 is rotatably connected with the pressing wheel 15, the housing 1 is fixedly connected with the waste gas port 11, the profile is conveyed in a clamping state by the aid of the arranged pressing wheel 15, the clamping structure is not required to be loosened, and accordingly cutting efficiency is improved.

The working principle is as follows: according to fig. 1-5, firstly, the cover plate 16 on the side plate 12 is opened, the PCB is installed in the plate groove 15, then the strain gauge is adhered on the upper strain beam 5 in the upper slot 4 in the upper cylinder 3, at the same time, the second strain gauge is adhered on the lower strain beam 9 in the lower slot 8 in the lower cylinder 7, then the signal wire of the second strain gauge is penetrated through the through hole 24 of the partition plate 6 and is clamped by the pressing block 22 and the pressing spring 23 to prevent the measurement error caused by the movement of the line during the measurement, then the signal wires of the two strain gauges are connected with the PCB in the plate groove 15 through the wire inlet 13 under the side plate 12, and the output wire of the PCB is penetrated through the wire outlet 17, then the cover plate 16 is covered and is firmly closed by the magnetic block 14, after the completion, the PCB is installed on the equipment through the connecting screw hole 2 on the upper connecting block 1 and the lower connecting block 10, the whole stress is then applied, the strain gauge outputs a signal at this time, the two vertical upper strain beams 5 and the lower strain beams 9 output a signal, and the actual stress is calculated through processing, so as to output and complete the measurement, when the elastic body is damaged, the strain gauge is only required to be taken down from the upper strain beams 5 and the lower strain beams 9 and to pass through the through hole 24 on the partition plate 6, then the pressing block 18 is pressed, so that the pressing block drives the clamping block 19 to compress the return spring 21, so as to be separated from the convex block 20, at this time, the sliding block 11 is slid out by using the sliding groove 25, the side plate 12 is taken down, the measurement can be performed again only by installing the side plate 12 on a new elastic body, and the content which is not described in detail in the present specification belongs to the prior art known by a person 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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. Elastomer work piece that two component force sensors of square structure of integral type were used, including last connecting block (1) and lower connecting block (10), its characterized in that: a connecting screw hole (2) is arranged inside the upper connecting block (1), an upper column body (3) is arranged below the upper connecting block (1), an upper open slot (4) is arranged inside the upper column body (3), a clapboard (6) is arranged below the upper column body (3), a through hole (24) is arranged at the left side in the clapboard (6), a lower column body (7) is arranged below the clapboard (6), a lower groove (8) is arranged in the lower column body (7), sliding blocks (11) are arranged on two sides of the upper connecting block (1), and the left side of the sliding block (11) is connected with a side plate (12), a plate groove (15) is arranged inside the side plate (12), a cover plate (16) is arranged on one side of the plate groove (15), a pressing block (18) is arranged above the side plate (12), a clamping block (19) is arranged below the pressing block (18), and a convex block (20) is arranged on one side of the clamping block (19).

2. An elastomeric workpiece for a one-piece, square construction, two-component force sensor according to claim 1, wherein: go up connecting block (1) and connection screw (2) fixed connection, and go up connecting block (1) and last cylinder (3) integration setting to go up cylinder (3) and adopt the aluminum alloy to make, go up cylinder (3) and last fluting (4) fixed connection, and go up fluting (4) and last straining roof beam (5) fixed connection.

3. An elastomeric workpiece for a one-piece, square construction, two-component force sensor according to claim 1, wherein: baffle (6) and last cylinder (3) integration set up, and baffle (6) and lower cylinder (7) integration set up, baffle (6) and through-hole (24) fixed connection, and baffle (6) and briquetting (22) sliding connection to briquetting (22) and pressure spring (23) constitute the spring reset structure.

4. An elastomeric workpiece for a one-piece, square construction, two-component force sensor according to claim 1, wherein: lower cylinder (7) adopt the aluminum alloy to make, and lower cylinder (7) and last cylinder (3) set up about baffle (6) horizontal central line symmetry, lower cylinder (7) and lower fluting (8) fixed connection, and lower fluting (8) and strain roof beam (9) fixed connection down to fluting (8) and last fluting (4) mutually perpendicular set up down, lower cylinder (7) and lower connecting block (10) fixed connection, and lower connecting block (10) and be connected screw (2) fixed connection, and lower connecting block (10) set up about baffle (6) horizontal central line symmetry.

5. An elastomeric workpiece for a one-piece, square construction, two-component force sensor according to claim 1, wherein: slider (11) and spout (25) sliding connection, and slider (11) set up about last connecting block (1) horizontal central line symmetry to spout (25) and last connecting block (1) fixed connection, slider (11) and curb plate (12) integration set up, and curb plate (12) and board groove (15) fixed connection, board groove (15) and entrance hole (13) fixed connection, and board groove (15) and wire outlet (17) fixed connection, curb plate (12) and apron (16) rotate to be connected, and apron (16) constitute magnetic attraction structure through magnetic path (14) and curb plate (12).

6. An elastomeric workpiece for a one-piece, square construction, two-component force sensor according to claim 1, wherein: the side plate (12) is connected with the pressing block (18) in a sliding mode, the pressing block (18) and the clamping block (19) are integrally arranged, the clamping block (19) and the reset spring (21) form a spring reset structure, the clamping block (19) and the protruding block (20) are clamped with each other, the protruding block (20) is connected with the side plate (12) in a sliding mode, and the protruding block (20) and the upper connecting block (1) are integrally arranged.