CN218172501U

CN218172501U - Torque sensing mechanism

Info

Publication number: CN218172501U
Application number: CN202221719634.9U
Authority: CN
Inventors: 王季萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-12-30
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to a moment induction mechanism relates to the field of vehicle using motor, including the initiative ring and the passive ring of coaxial setting, the initiative ring is used for connecting the driving source, is equipped with the elastic component between initiative ring and the passive ring, and the circumference transmission is realized through the elastic component to the initiative ring and the passive ring, still is equipped with induction element on the passive ring, is equipped with the magnetic part on the initiative ring, and induction element is used for responding to the magnetic field change and the output control signal of its position of locating. The driving source drives the driving ring to rotate, the driving ring rotates in the circumferential direction relative to the driven ring, so that the position between the sensing element and the magnetic part is changed, the sensing element senses the size of a magnetic field change output control signal for adjusting the driving force, the driving force is adjusted by measuring the deflection angle between the driving ring and the driven ring, the requirement on the material is low, the service life of the material is longer, the material cost is favorably reduced, and the practicability of the torque sensing mechanism is improved.

Description

Torque sensing mechanism

Technical Field

The application relates to the field of moped, in particular to a torque induction mechanism.

Background

The vehicle using motor is one of the short distance tools of riding instead of walk commonly used in daily life, and the vehicle using motor who uses at present has pedal more, through pedal and the drive power of the cooperation adjustment vehicle using motor of electric power, can reduce the electric quantity consumption of vehicle using motor, can also reduce the resistance that receives of riding simultaneously for it is laborsaving to ride more easily.

A utility model patent with publication number CN202295199U discloses a moped, which comprises a crank for being rotated by the force of pedaling; a detector for detecting the deformation of the crank and outputting a deformation value; the electric power output device is used for outputting electric power to drive the moped to move; the controller outputs a control signal corresponding to the deformation value to change the electric power output by the electric power output device. Adopt above-mentioned vehicle using motor, vehicle using motor's pedal passes through the connecting rod to be installed on the crank arm, and the person of riding tramples produced power and makes the crank arm take place to warp on being used in the crank arm under the circumstances, through output deformation value control electric power output device's output value to carry out corresponding helping hand to vehicle using motor, nevertheless adopt above-mentioned structure to require highly to the material of crank arm, and material cost is great, and the practicality is lower, remains to improve.

SUMMERY OF THE UTILITY MODEL

In order to improve the lower problem of booster vehicle's moment response mechanism practicality among the correlation technique, this application provides a moment response mechanism.

The application provides a moment response mechanism adopts following technical scheme:

the utility model provides a moment response mechanism, includes the initiative ring and the passive ring of coaxial setting, the initiative ring is used for connecting the driving source, the initiative ring with be equipped with the elastic component between the passive ring, the initiative ring with the passive ring passes through the circumference transmission is realized to the elastic component, still be equipped with induction element on the passive ring, be equipped with the magnetic part on the initiative ring, induction element is used for responding to the magnetic field variation and the output control signal of its position.

Through adopting above-mentioned technical scheme, the driving source drives the initiative ring and rotates, the elasticity that the initiative ring was overcome the elastic component takes place circumferential direction for passive ring for the position between inductive element and the magnetic part changes, inductive element senses the size of magnetic field variation output control signal in order to adjust drive power, through the deflection angle between survey initiative ring and the passive ring in order to adjust drive power, requirement to the material is lower, the life of material is more of a specified duration, be favorable to reducing material cost, the practicality of moment response mechanism has been improved.

Preferably, the driving ring is provided with a limiting hole, the driven ring is provided with a limiting column, and the limiting column is connected in the limiting hole in a sliding manner along the direction opposite to the rotating direction of the driving ring.

By adopting the technical scheme, the limiting hole and the limiting column are arranged, the inner wall of the limiting hole is abutted to the limiting column to limit the rotation range of the driving ring, the situations that the elastic part is damaged and the elastic effect is reduced due to the fact that the overturning angle of the driving ring is too large are reduced, and the elastic force of the elastic part is more stable and durable.

Preferably, the elastic member is a spring.

Through adopting above-mentioned technical scheme, the spring has yielding, characteristics that elasticity is big, can satisfy moment response mechanism's use needs.

Preferably, a convex block is arranged on the inner wall of the passive ring, an abutting surface is arranged on the convex block, the elastic member abuts against the abutting surface and is connected with the abutting surface, and the end part, far away from the abutting surface, of the elastic member abuts against the driving ring.

By adopting the technical scheme, the abutting surfaces are arranged, the stress area of the elastic piece acting on the driven ring is increased, the bending condition of the elastic piece in the compression process is reduced, more stress of the driving ring acts on the driven ring through the elastic piece, and the stability of the matching between the driving ring and the driven ring is improved.

Preferably, the driving ring is provided with a convex column, the elastic element is sleeved outside the convex column, the convex column abuts against the inner ring wall of the elastic element, and the abutting surface faces the convex column.

Through adopting above-mentioned technical scheme, set up the projection, through the projection butt in the inner circle wall of elastic component to carry on spacingly to the elastic component, reduced the circumstances that takes place to remove or buckle when the elastic component is compressed, improved the stability of complex between active ring and the passive ring, and set up towards the projection through the butt face, improve the elastic component and take place elastic deformation's stability, and then improve the driven precision between active ring and the passive ring, restrain the elastic fatigue of elastic component.

Preferably, the driving ring is provided with an embedding groove, and the elastic piece is clamped in the embedding groove.

Through adopting above-mentioned technical scheme, set up the caulking groove, thereby carry on spacingly in the elastic component through caulking groove inner wall butt, the condition that has reduced the elastic component and taken place to remove when being compressed.

Preferably, the elastic pieces are arranged in a plurality of numbers, and the elastic pieces are circumferentially distributed along the periphery of the driving ring.

By adopting the technical scheme, the uniformity of the overall stress between the driving ring and the driven ring is improved, and the transmission stability between the driving ring and the driven ring is further improved.

Preferably, the driven ring is sleeved outside the driving ring, and the driving ring abuts against the inner ring wall of the driven ring.

By adopting the technical scheme, the driving ring is abutted against the inner ring wall of the driven ring so as to limit the driving ring, and the stability of relative rotation between the driving ring and the driven ring is improved.

Preferably, the driving ring and the driven ring are spliced to form a containing groove, and the elastic piece is located in the containing groove.

Through adopting above-mentioned technical scheme, set up the holding tank, for the deformation and the installation of elastic component provide the space for the deformation and the installation of elastic component are more convenient.

Preferably, the elastic component is the flexure strip, the flexure strip bending type is formed with the U-shaped groove, be equipped with the extension rod on the inner wall in U-shaped groove, the extension rod crosses the U-shaped groove is worn out the flexure strip, threaded connection has the regulating block on the extension rod, the regulating block is located the outside of flexure strip.

Through adopting above-mentioned technical scheme, can twist reverse the regulating block according to actual need, support through the regulating block and tightly in the outside of flexure strip to change the width in U-shaped groove, make the width in U-shaped groove and the space size adaptation between active ring and the passive ring, improved the suitability of flexure strip.

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

1. the driving source drives the driving ring to rotate, the driving ring rotates circumferentially relative to the driven ring, so that the position between the sensing element and the magnetic part is changed, the sensing element senses the change of a magnetic field and outputs a control signal to adjust the driving force, the driving force is adjusted by measuring the deflection angle between the driving ring and the driven ring, the requirement on materials is low, the service life of the materials is longer, the material cost is reduced, and the practicability of the torque sensing mechanism is improved;

2. the rotation range of the driving ring is limited by arranging the limiting hole and the limiting column, so that the situations that the elastic part is damaged and the elastic effect is reduced due to the overlarge overturning angle of the driving ring are reduced, and the elastic force of the elastic part is more stable and durable;

3. through setting up the butt face, the increase elastic component acts on the lifting surface area of passive ring, has reduced the condition that the elastic component takes place to buckle in compression process, has improved the stability of cooperation between active ring and the passive ring.

Drawings

FIG. 1 is an overall schematic view of embodiment 1 of the present application;

FIG. 2 is an overall schematic view of embodiment 2 of the present application;

FIG. 3 is an overall schematic view of embodiment 3 of the present application;

fig. 4 is an overall schematic view of the accommodating grooves of embodiment 3 of the present application when the number of the accommodating grooves is different.

Description of the reference numerals: 1. a driving ring; 11. a limiting hole; 2. a passive ring; 3. accommodating grooves; 4. a convex column; 5. a bump; 51. an abutting surface; 6. an elastic member; 61. an elastic sheet; 7. an inductive element; 8. a magnetic member; 9. a limiting column; 10. caulking grooves; 12. a U-shaped groove; 13. an extension rod; 14. and a regulating block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses moment response mechanism.

Example 1

Referring to fig. 1, the torque sensing mechanism includes a driving ring 1 and a driven ring 2, the driven ring 2 is sleeved outside the driving ring 1, the driven ring 2 and the driving ring 1 are coaxially disposed, the driving ring 1 abuts against an inner ring wall of the driven ring 2, and the driving ring 1 is used for fixedly connecting a driving source. In this embodiment, the driving source is a pedal.

Referring to fig. 1, the driving ring 1 and the driven ring 2 are spliced to form a plurality of accommodating grooves 3, the plurality of accommodating grooves 3 are circumferentially distributed at intervals along the periphery of the driving ring 1, the plurality of accommodating grooves 3 are all penetrated through the driving ring 1 along the axis of the driving ring 1, a convex column 4 is fixed on the inner side wall of each accommodating groove 3, and each convex column 4 is located on the same side of the periphery of the driving ring 1 corresponding to the accommodating groove 3.

Referring to fig. 1, a plurality of bumps 5 are fixed on the inner ring wall of the passive ring 2, the number and the positions of the bumps 5 correspond to those of the accommodating grooves 3 one by one, and the bumps 5 are located in the corresponding accommodating grooves 3. The outer side wall of each bump 5 is processed to form an abutting surface 51, the abutting surface 51 is located on one side of the bump 5 close to the corresponding convex column 4, and the abutting surface 51 is arranged towards the corresponding convex column 4.

Referring to fig. 1, a plurality of elastic members 6 are fixed on the driving ring 1, the number and positions of the plurality of elastic members 6 correspond to the number and positions of the convex columns 4 one by one, the elastic members 6 are located between the driving ring 1 and the driven ring 2 and located in the corresponding accommodating grooves 3, one end of each elastic member 6 is abutted against the corresponding abutting surface 51 and fixedly connected with the corresponding abutting surface 51, the other end of each elastic member 6 is sleeved on the outer side of the corresponding convex column 4 and abutted against the inner side wall of the corresponding accommodating groove 3, the convex column 4 is abutted against the inner ring wall of the elastic member 6, and circumferential transmission is realized between the driving ring 1 and the driven ring 2 through the plurality of elastic members 6. In this embodiment, the elastic member 6 is a spring.

Referring to fig. 1, the passive ring 2 is further fixed with an induction element 7, and the active ring 1 is fixed with two magnetic members 8, in this embodiment, the number of the magnetic members 8 is two, the two magnetic members 8 are arranged at intervals, the induction element 7 extends between the two magnetic members 8, and the induction element 7 is used for inducing the magnetic field change at the position where the induction element 7 is located and outputting a control signal. In this embodiment, the sensing element 7 is a hall element, and the magnetic member 8 is a magnetic block.

Referring to fig. 1, a limiting hole 11 is formed in an active ring 1, the limiting hole 11 is an arc-shaped hole, the limiting hole 11 penetrates through the active ring 1 along an axis of the active ring 1, the axis of the limiting hole 11 coincides with the axis of the active ring 1, a limiting post 9 is fixed on a passive ring 2, and the limiting post 9 extends into the limiting hole 11. When the active ring 1 rotates relative to the passive ring 2, the limiting post 9 slides and is connected to the limiting hole 11 along a direction opposite to the rotation direction of the active ring 1, and the inner wall of the limiting hole 11 abuts against the limiting post 9, so that the deflection angle between the active ring 1 and the passive ring 2 is limited, in practical use, the deflection angle between the active ring 1 and the passive ring 2 is generally 0-10 °, the situation that the elastic piece 6 is compressed excessively due to an excessively large deflection angle between the active ring 1 and the passive ring 2 is reduced, and the elastic fatigue of the elastic piece 6 is suppressed.

The implementation principle of the embodiment 1 is as follows:

when a force is applied to the driving source, the driving source drives the driving ring 1 to rotate, the driving ring 1 overcomes the elastic force of the elastic piece 6 to rotate circumferentially relative to the driven ring 2, so that the position between the sensing element 7 and the magnetic piece 8 is changed, the sensing element 7 senses the change of the magnetic field and outputs a control signal to adjust the driving force, and the driving force is adjusted by measuring the deflection angle between the driving ring 1 and the driven ring 2.

Example 2

Referring to fig. 2, the difference from embodiment 1 is that an embedding groove 10 is formed on the inner sidewall of each accommodating groove 3, and each embedding groove 10 is located on the same side of the corresponding accommodating groove 3 along the periphery of the driving ring 1. The end of the elastic element 6 far away from the contact surface 51 extends into the corresponding embedding slot 10 and contacts with the inner side wall of the embedding slot 10.

The implementation principle of the embodiment 2 is as follows:

the inner wall of the caulking groove 10 abuts against the elastic member 6 to limit the elastic member 6, so that the elastic member 6 is prevented from moving when being compressed.

Example 3

Referring to fig. 3 and 4, the difference from embodiment 1 is that the elastic member 6 is an elastic sheet 61, a U-shaped groove 12 is formed in the middle of the elastic sheet 61 by bending, the notch of the U-shaped groove 12 is arranged in a direction away from the axis of the driving ring 1, and two opposite ends of the elastic sheet 61 are respectively inserted into the inner side wall of the corresponding accommodating groove 3 and the corresponding abutting surface 51 to realize the installation of the elastic sheet 61. In this embodiment, the elastic piece 61 is made of an iron piece having elasticity.

Referring to fig. 3 and 4, an extension rod 13 is fixed on the inner side wall of the U-shaped groove 12, the extension rod 13 traverses the U-shaped groove 12 and penetrates through the elastic sheet 61, an adjusting block 14 is connected to the extension rod 13 through a thread, and the adjusting block 14 is located on the outer side of the elastic sheet 61 and abuts against the outer side wall of the elastic sheet 61. It should be noted that the hole of the elastic piece 61 through which the extension rod 13 passes is large enough to allow the extension rod 13 to move when the U-shaped groove 12 is deformed.

The implementation principle of the embodiment 2 is as follows:

the U-shaped groove 12 limits the compression path of the elastic part 6, so that the bending of the elastic part 6 is reduced relative to a spring, and the matching between the driving ring 1 and the driven ring 2 is more stable.

The adjusting block 14 can be twisted according to actual requirements, for example, according to the number of the accommodating grooves 3 formed in the driving ring 1, and the adjusting block 14 abuts against the outer side of the elastic sheet 61, so that the width of the U-shaped groove 12 is changed, the width of the U-shaped groove 12 is adapted to the space size of the accommodating grooves 3, and the applicability of the elastic sheet 61 is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A torque sensing mechanism, characterized by: drive ring (1) and passive ring (2) including coaxial setting, drive ring (1) is used for connecting the driving source, drive ring (1) with be equipped with elastic component (6) between passive ring (2), drive ring (1) with passive ring (2) pass through the circumference transmission is realized to elastic component (6), still be equipped with sensing element (7) on passive ring (2), be equipped with magnetic part (8) on drive ring (1), sensing element (7) are used for responding to the magnetic field variation and the output control signal of its position of locating, elastic component (6) are the spring.

2. The torque sensing mechanism of claim 1, wherein: the driving ring (1) is provided with a limiting hole (11), the driven ring (2) is provided with a limiting column (9), and the limiting column (9) slides along the direction opposite to the rotating direction of the driving ring (1) and is connected in the limiting hole (11).

3. The torque-sensing mechanism of claim 1, wherein: the inner wall of the passive ring (2) is provided with a convex block (5), the convex block (5) is provided with an abutting surface (51), the elastic piece (6) abuts against the abutting surface (51) and is connected with the abutting surface (51), and the end part, far away from the abutting surface (51), of the elastic piece (6) abuts against the driving ring (1).

4. The torque-sensing mechanism of claim 3, wherein: the driving ring (1) is provided with a convex column (4), the elastic piece (6) is sleeved on the outer side of the convex column (4), the convex column (4) is abutted to the inner ring wall of the elastic piece (6), and the abutting surface (51) is arranged towards the convex column (4).

5. The torque sensing mechanism according to claim 3, wherein: the driving ring (1) is provided with a caulking groove (10), and the caulking groove (10) is used for clamping the end part of the elastic part (6).

6. The torque sensing mechanism of claim 1, wherein: the elastic pieces (6) are arranged in a plurality of numbers, and the elastic pieces (6) are circumferentially distributed along the periphery of the driving ring (1).

7. The torque sensing mechanism of claim 1, wherein: the driven ring (2) is sleeved on the outer side of the driving ring (1), and the driving ring (1) abuts against the inner ring wall of the driven ring (2).

8. The torque sensing mechanism of claim 1, wherein: the driving ring (1) and the driven ring (2) are spliced to form an accommodating groove (3), and the elastic piece (6) is located in the accommodating groove (3).

9. The torque sensing mechanism of claim 1, wherein: elastic component (6) are elastic sheet (61), elastic sheet (61) are buckled and are formed with U-shaped groove (12), be equipped with extension rod (13) on the inner wall of U-shaped groove (12), extension rod (13) cross U-shaped groove (12) and wear out elastic sheet (61), threaded connection has regulating block (14) on extension rod (13), regulating block (14) are located the outside of elastic sheet (61).