CN219161509U

CN219161509U - Novel dynamic torque sensor

Info

Publication number: CN219161509U
Application number: CN202320177723.3U
Authority: CN
Inventors: 吴美贞; 沈力
Original assignee: Shenzhen Xinjingcheng Sensor Technology Co ltd
Current assignee: Shenzhen Xinjingcheng Sensor Technology Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-06-09
Anticipated expiration: 2033-01-17

Abstract

The utility model relates to a novel dynamic torque sensor, which comprises a cover body piece, a stress component and an induction component; wherein, the installation cavity has been seted up to the lid spare, and atress subassembly and response subassembly all set up in the installation cavity, and response subassembly is provided with two sets of, and two sets of response subassemblies set up along the long central line symmetry of lid and are convenient for simple assembly. The stress component deforms after being stressed, and the induction component converts the deformation into an electric signal and conducts the electric signal. The induction component comprises an induction piece, a transmitting coil and a receiving coil, wherein the end face of an induction circuit board faces the induction piece, the induction circuit board transmits deformation signals of the induction piece to the transmitting coil, the end face of the transmitting coil faces the receiving coil, and the transmitting coil and the receiving coil are both sleeved on the stress component; the receiving and transmitting coil adopts vertical plane type induction, so that the induction intensity is enhanced, and the transmission stability of a power supply and signals is improved.

Description

Novel dynamic torque sensor

Technical Field

The utility model relates to the field of torque measurement equipment, in particular to a novel dynamic torque sensor.

Background

Currently, torque sensors are sensing tools for sensing torsional moments on various rotating or non-rotating mechanical components. The torque sensor can convert physical changes of torsion into accurate electric signals. The torque sensor on the market generally comprises a shell, a rotating shaft, a coil, a strain gauge and other elements, wherein the rotating shaft is fixed in the shell by using a bearing, the strain gauge is arranged on one side of the rotating shaft, the whole structure of the product is complex, and the assembly is difficult.

In view of the above related art, there is a difficulty in assembling the torque sensor in the related art with a complicated overall structure.

Disclosure of Invention

In order to facilitate assembly, the present application provides a novel dynamic torque sensor.

The utility model provides a novel dynamic torque sensor, includes lid spare, atress subassembly and response subassembly, the installation cavity has been seted up to the lid spare, atress subassembly and response subassembly all set up in the installation cavity, atress subassembly and response subassembly all follow lid spare length direction's central line position symmetry sets up.

Through adopting above-mentioned technical scheme, atress subassembly and response subassembly are the symmetry setting, after dismantling the lid spare, will symmetry set up atress subassembly and response subassembly and assemble in the installation cavity to reduce overall structure complicacy, improve packaging efficiency.

Optionally, the stress part comprises two stress parts, wherein the two stress parts are provided with two groups of stress parts, and the two groups of stress parts protrude out of the mounting cavity; and the two groups of stress parts are provided with key grooves, and the notches of the two groups of key grooves are vertically upwards.

Through adopting above-mentioned technical scheme, two sets of keyway can supply external parts to install, when placing the part in the keyway, thereby two sets of atress portions can receive the same effort and form opposite moment and offset, and then maintain whole atress spare and maintain the stability of horizontal direction.

Optionally, the device further comprises a fixing component, wherein the fixing component is arranged in the mounting cavity and used for fixing the position of the sensing component, and the fixing component is symmetrically arranged along the central line of the length direction of the stress piece.

Through adopting above-mentioned technical scheme, fixed subassembly is fixed sensing assembly, and fixed subassembly symmetry sets up, so, at the in-process of fixed sensing assembly, can improve installation convenience and installation effectiveness.

Optionally, the induction component further includes a receiving coil and a transmitting coil, the receiving coil and the transmitting coil are both arranged and sleeved on the stress piece, the end faces of the receiving coil and the transmitting coil are both perpendicular to the axis of the stress piece, and the end faces of the receiving coil and the transmitting coil are arranged in parallel.

Through adopting above-mentioned technical scheme, the transmitting coil can be with the deformation on the response subassembly conversion to the signal of telecommunication, again with the signal of telecommunication transmission to receiving coil on, receiving coil is used for receiving this signal of telecommunication. On the received signal, vertical plane type induction is adopted, so that the induction intensity is enhanced, and the transmission stability of a power supply and signals is improved.

Optionally, the fixed subassembly includes second mounting and third mounting, the second mounting is used for fixing receiving coil, the third mounting is used for fixing transmitting coil, second mounting and third mounting all are provided with two sets of, two sets of second mounting and third mounting are followed the central line symmetry setting of atress spare.

Through adopting above-mentioned technical scheme, fixed receiving coil and transmitting coil respectively through different mounting for when need maintain, only need dismantle corresponding mounting can dismantle the maintenance. Thereby, maintenance efficiency is improved. In addition, the second fixing piece and the third fixing piece are symmetrically arranged by adopting a central line, so that the assembly can be simply carried out through a plurality of groups of different identical simple parts, and the assembly and processing cost is reduced.

Optionally, a plug member is provided on one side of the cover member, the plug member is used for conducting data out, and the plug member is located at a center line position of the cover member.

Through adopting above-mentioned technical scheme, because the sensor needs plug external data line to go out data transmission in the use, so, when the plug is located the central line of lid, external wire can exert a pressure to the lid for the lid receives vertical decurrent effort, if the plug is located one side of lid central line, can lead to sensing assembly measuring effect inaccurate.

Optionally, the fixing assembly further includes a first fixing member, the cover member is detachably connected to the first fixing member, and the second fixing member and the third fixing member are both pressed against the inner wall of the first fixing member.

Through adopting above-mentioned technical scheme, place in the installation cavity through setting up first mounting, the position determination with second mounting and third mounting. In the mounting process, the second fixing piece and the third fixing piece can be firstly mounted on the first fixing piece, and then the first fixing piece is mounted on the cover body piece. When maintenance is carried out, the whole fixing assembly can be directly disassembled and replaced, and the overall maintenance efficiency is improved.

Optionally, the bearing assembly further comprises a bearing member, the second fixing member is provided with a second fixing groove, the bearing member is arranged in the second fixing groove, and the bearing member is sleeved on the stress member.

By adopting the technical scheme, the friction between the second fixing piece and the stressed piece is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stress component and the induction component are symmetrically arranged, and after the cover body piece is disassembled, the symmetrically arranged stress component and the induction component are assembled in the installation cavity, so that the overall structure is reduced, and the assembly efficiency is improved;

2. the transmitting coil can convert the deformation of the induction component into an electric signal, and then the electric signal is transmitted to the receiving coil, and the receiving coil is used for receiving the electric signal. On the received signal, vertical plane type induction is adopted, so that the induction intensity is enhanced, and the transmission stability of a power supply and signals is improved;

3. the receiving coil and the transmitting coil are respectively fixed through different fixing pieces, so that when maintenance is needed, the corresponding fixing pieces are only required to be disassembled for maintenance. Thereby, maintenance efficiency is improved. In addition, the second fixing piece and the third fixing piece are symmetrically arranged by adopting a central line, so that the assembly can be simply carried out through a plurality of groups of different identical simple parts, and the assembly and processing cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall cross-sectional structure of an embodiment of the present application.

Reference numerals illustrate: 1. a cover member; 11. a mounting cavity; 12. a mounting port; 2. a force-bearing component; 21. a force-bearing member; 211. a key slot; 212. a force receiving part; 213. a clamping part; 214. an induction unit; 3. an induction assembly; 31. an induction member; 32. a receiving coil; 33. a transmitting coil; 4. a plug member; 5. a fixing assembly; 51. a first fixing member; 52. a second fixing member; 521. a second fixing groove; 53. a third fixing member; 6. and a bearing member.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1.

The application example discloses a novel dynamic torque sensor.

Referring to fig. 1, a novel dynamic torque sensor comprises a cover member 1, a stress assembly 2 and an induction assembly 3, wherein the cover member 1 is provided with a mounting cavity 11, the stress assembly 2 is arranged in the mounting cavity 11 in a penetrating manner, two sides of the stress assembly 2 protrude out of the mounting cavity 11, and the part of the stress assembly 2 protruding out of the mounting cavity 11 is used for stress; the sensing component 3 is connected to the stress component 2, and the sensing component 3 is used for sensing acting force on the stress component 2 through deformation.

Referring to fig. 1, the upper surface of the cover member 1 is provided with a plug member 4, and the plug member 4 is used for conducting data. The cover body 1 is provided with two groups of mounting openings 12, the two groups of mounting openings 12 are respectively arranged on two sides of the cover body 1, and the positions of the two groups of mounting openings 12 are symmetrically arranged along the horizontal and transverse central line of the cover body 1. Therefore, when the stress component 2 is arranged on the two groups of mounting ports 12 in a penetrating manner, the stress component 2 can be kept at a horizontal position, inclination is not easy to occur, and most of stress positions of the stress component 2 are vertical acting forces, so that horizontal acting forces are difficult to generate.

Referring to fig. 1, the stress assembly 2 includes a stress member 21, the stress member 21 is a cylinder, the stress member 21 sequentially penetrates through two groups of mounting openings 12 along a horizontal direction, and a key slot 211 is provided on the stress member 21, wherein the key slot 211 is provided with two groups, the two groups of key slots 211 are respectively provided on two sides of the stress member 21, and openings of the two groups of key slots 211 face upward vertically. In addition, two sets of key grooves 211 are symmetrically arranged along the horizontal and transverse center line of the cover member 1. Therefore, when the two sets of keyways 211 are stressed identically, the stress element 21 will not tilt.

Referring to fig. 1, in the present embodiment, the force-receiving member 21 includes a force-receiving portion 212, a clamping portion 213 and an induction portion 214, wherein the key slot 211 is disposed on the force-receiving portion 212, the force-receiving member 21 is symmetrically disposed along a central line of the length direction of the force-receiving member 21, the force-receiving portion 212 and the clamping portion 213 are respectively provided with two groups, the two groups of clamping portions 213 are respectively connected to two sides of the induction portion 214, and the two groups of force-receiving portions 212 are respectively connected to the two groups of clamping portions 213. The diameter of the sensing portion 214 is smaller than the diameter of the force receiving portion 212, and the diameter of the force receiving portion 212 is smaller than the diameter of the engaging portion 213; the sensing part 214 is provided with a strain element, the strain element can transmit the stress condition of the stress part 212 to the sensing part 214, the sensing part 214 deforms and transmits the stress to the strain element, and the stress of the strain element changes.

Referring to fig. 1, the induction device further comprises a fixing component 5, wherein the fixing component 5 is used for fixing the position of the stress piece 21, and the fixing component 5 is used for fixing the induction component 3. The fixing component 5 is placed in the mounting cavity 11, and the fixing component 5 is connected to the stress piece 21.

Specifically, the fixing assembly 5 includes a first fixing member 51, a second fixing member 52 and a third fixing member 53, where the first fixing member 51 is disposed in the mounting cavity 11, and an upper surface and a lower surface of the second fixing member 52 are both pressed against an inner wall of the first fixing member 51; the upper and lower surfaces of the third fixing piece 53 are pressed against the inner wall of the first fixing piece 51. In addition, the force-receiving member 21 is disposed through the second fixing member 52, the second fixing member 52 is sleeved on the force-receiving portion 212, in this embodiment, two groups of second fixing members 52 are disposed on the force-receiving portion 212, and the two groups of second fixing members 52 are symmetrically disposed along a central line of the length direction of the force-receiving member 21. The third fixing piece 53 is provided with two groups, the stress piece 21 is arranged on the third fixing piece 53 in a penetrating way, the clamping part 213 is clamped on the third fixing piece 53, and one side of the third fixing piece 53 is pressed against the clamping part 213.

Referring to fig. 1, in order to reduce friction between the second fixing member 52 and the force receiving member 21, a bearing member 6 is further provided, wherein the second fixing member 52 is provided with a second fixing groove 521, the bearing member 6 is disposed in the second fixing groove 521, and the force receiving portion 212 is disposed through the bearing member 6.

Referring to fig. 1, the sensing assembly 3 includes a sensing element 31, and the sensing element 31 is sleeved on the sensing portion 214. The receiving coil 32 is disposed on a side surface of the second fixing member 52 facing the third fixing member 53, the transmitting coil 33 is disposed on a side surface of the third fixing member 53 facing the second fixing member 52, and the sensing member 31 is an induction circuit board. When the strain element is stressed to deform, a signal of the deformation of the strain element is received by the induction circuit board, the induction circuit board transmits the signal to the transmitting coil 33, and the transmitting coil 33 transmits the signal to the receiving coil 32. After being energized, the receiving coil 32 and the transmitting coil 33 form electromagnetic induction to mutually transmit power and signals. Moreover, in the present embodiment, the two sets of receiving and transmitting coils 33 use vertical plane type induction, which enhances the induction strength, thereby increasing the transmission stability of power and signals.

The implementation principle of the embodiment of the application: a novel dynamic torque sensor comprises a cover body piece, a stress component and an induction component; wherein, the installation cavity has been seted up to the lid spare, and atress subassembly and response subassembly all set up in the installation cavity, and response subassembly is provided with two sets of, and two sets of response subassemblies set up along the long central line symmetry of lid and are convenient for simple assembly. The stress component deforms after being stressed, and the induction component converts the deformation into an electric signal and conducts the electric signal. The induction component comprises an induction piece, a transmitting coil and a receiving coil, wherein the end face of an induction circuit board faces the induction piece, the induction circuit board transmits deformation signals of the induction piece to the transmitting coil, the end face of the transmitting coil faces the receiving coil, and the transmitting coil and the receiving coil are both sleeved on the stress component; the receiving and transmitting coil adopts vertical plane type induction, so that the induction intensity is enhanced, and the transmission stability of a power supply and signals is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a novel dynamic torque sensor, its characterized in that, including lid spare (1), atress subassembly (2) and response subassembly (3), installation cavity (11) have been seted up to lid spare (1), atress subassembly (2) and response subassembly (3) all set up in installation cavity (11), atress subassembly (2) and response subassembly (3) all follow lid spare (1) length direction's central line position symmetry sets up.

2. The novel dynamic torque sensor according to claim 1, wherein the stress component (2) comprises a stress piece (21), the stress piece (21) comprises stress parts (212), the stress parts (212) are provided with two groups, and the two groups of stress parts (212) protrude out of the mounting cavity (11); two groups of stress parts (212) are provided with key grooves (211), and the notches of the two groups of key grooves (211) are vertically upwards.

3. The novel dynamic torque sensor according to claim 2, further comprising a fixing component (5), wherein the fixing component (5) is arranged in the installation cavity (11), the fixing component (5) is used for fixing the position of the sensing component (3), and the fixing component (5) is symmetrically arranged along the central line of the length direction of the stress piece (21).

4. A novel dynamic torque sensor according to claim 3, wherein the induction component (3) further comprises a receiving coil and a transmitting coil (33), the receiving coil and the transmitting coil (33) are both sleeved on the stress member (21), the end faces of the receiving coil and the transmitting coil (33) are both perpendicular to the axis of the stress member (21), and the end faces of the receiving coil and the transmitting coil (33) are arranged in parallel.

5. The novel dynamic torque sensor according to claim 4, wherein the fixing assembly (5) comprises a second fixing member (52) and a third fixing member (53), the second fixing member (52) is used for fixing the receiving coil, the third fixing member (53) is used for fixing the transmitting coil (33), two groups of the second fixing member (52) and the third fixing member (53) are arranged symmetrically along the central line of the stress member (21).

6. A novel dynamic torque sensor according to claim 1, characterized in that a plug member (4) is provided on one side of the cover member (1), the plug member (4) being adapted to conduct data out, the plug member (4) being located at a centre line position of the cover member (1).

7. The novel dynamic torque sensor according to claim 5, wherein the fixing assembly (5) further comprises a first fixing member (51), the cover member (1) is detachably connected to the first fixing member (51), and the second fixing member (52) and the third fixing member (53) are both pressed against the inner wall of the first fixing member (51).

8. The novel dynamic torque sensor according to claim 5, further comprising a bearing member (6), wherein the second fixing member (52) is provided with a second fixing groove (521), the bearing member (6) is disposed in the second fixing groove (521), and the bearing member (6) is sleeved on the stress member (21).