CN203806092U - Torque sensing system of electrically power assisted cycle - Google Patents
Torque sensing system of electrically power assisted cycle Download PDFInfo
- Publication number
- CN203806092U CN203806092U CN201420160920.5U CN201420160920U CN203806092U CN 203806092 U CN203806092 U CN 203806092U CN 201420160920 U CN201420160920 U CN 201420160920U CN 203806092 U CN203806092 U CN 203806092U
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- CN
- China
- Prior art keywords
- elastic body
- sensing system
- adjusting mechanism
- vehicle frame
- slide block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a torque sensing system of an electrically power assisted cycle. The torque sensing system comprises a chain wheel (7), an elastomer (6), a strain gage (4), a hinge part (9) and an adjusting mechanism (5), wherein the chain wheel (7) is arranged at one end of the elastomer (6), and the hinge part (9) is arranged at the other end of the elastomer (6); the strain gage (4) is arranged on the elastomer (6) and deforms along with deformation of the elastomer (6); and a rotating angle between the elastomer (6) and the hinge part (9) is limited by the adjusting mechanism (5). The torque sensing system of the electrically power assisted cycle can sense collected deformation of the strain gage, and has the advantages of simple structure, convenience in assembly and the like.
Description
Technical field
The utility model relates to motor torque sensor-based system, particularly, relates to electric assisted bicycle moment sensing system.
Background technology
Traditional Electrical Bicycle is all to trample stretcher by rider, drive axis, by the torque sensor system being arranged on axis, realize torque-feedback, its advantage is that volume is little, good concealment, highly versatile, but its key position exists complex structure, reacts unreliable and holds damageable defect.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of simple and reasonable electric assisted bicycle moment sensing system.
A kind of electric assisted bicycle moment sensing system providing according to the utility model, comprising: sprocket wheel, elastic body, strain-gauge, articulated section, adjusting mechanism;
Sprocket wheel is arranged on elastomeric one end, and articulated section is arranged on the elastomeric other end;
Strain-gauge is arranged on elastic body, and strain-gauge deforms along with elastomeric distortion;
Rotational angle between elastic body and articulated section is limited by adjusting mechanism.
Preferably, also comprise vehicle frame and driving system;
Adjusting mechanism is installed on vehicle frame, and elastic body is installed on vehicle frame by articulated section;
The be adjusted application of force of mechanism of elastic body, makes the sprocket wheel that is positioned at elastic body one end carry out tensioning to the chain of driving system.
Preferably, adjusting mechanism comprises: adjust slide block, permanent seat and adjustment screw; Permanent seat is fixed on vehicle frame, adjusts slide block and is placed on permanent seat, adjusts screw and is arranged on permanent seat, adjusts screw can change the position of adjusting slide block by rotation, adjusts slipper push elastic body and is out of shape and makes chain in tensioning state.
Compared with prior art, the utlity model has following beneficial effect:
The utility model can sensing acquisition to the deflection of strain-gauge, there is the advantages such as simple in structure, easy to assembly.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the concrete structure schematic diagram of adjusting mechanism of the present utility model.
In figure:
1 is vehicle frame;
2 is chain wheel;
3 is chain;
4 is strain-gauge;
5 is adjusting mechanism;
6 is elastic body;
7 is sprocket wheel;
8 is flywheel;
9 is articulated section.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
The electric assisted bicycle moment sensing system providing according to the utility model, comprises vehicle frame 1, strain-gauge 4, adjusting mechanism 5, elastic body 6, driving system; Driving system comprises chain wheel 2, sprocket wheel 7, flywheel 8 and chain 3 etc., chain wheel 2 is fixed on vehicle frame 1 by axis, sprocket wheel 7 is fixed on vehicle frame 1 by elastic body 6, and flywheel 8 is fixed on vehicle frame 1 by flywheel shaft, and chain 3 is arranged on chain wheel 2, sprocket wheel 7 and flywheel 8.Strain-gauge 4 is fixed on elastic body 6, between elastic body 6 and vehicle frame 1, adjusting mechanism 5 is housed.
Described chain 3 under the effect of elastic body 6 in tensioning state.
Described strain-gauge 4 is fixed on elastic body 6, and strain-gauge 4 deforms along with the distortion of elastic body 6.
Described adjusting mechanism 5 is fixed between elastic body 6 and vehicle frame 1, can adjust by adjusting mechanism 5 tensile force of chain.As shown in Figure 2, described adjusting mechanism 5 comprises the concrete structure of described adjusting mechanism 5: adjust slide block 11, permanent seat 12 and adjust screw 13; Permanent seat 12 is fixed on vehicle frame, adjusting slide block 11 is placed on permanent seat 12, adjust screw 13 and be arranged on permanent seat 12, by rotation, adjust screw 13 and can change the position of adjusting slide block 11, adjust slide block 11 promotion elastic bodys 6 and be out of shape and make chain 7 in tensioning state.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (3)
1. an electric assisted bicycle moment sensing system, is characterized in that, comprising: sprocket wheel (7), elastic body (6), strain-gauge (4), articulated section (9), adjusting mechanism (5);
Sprocket wheel (7) is arranged on one end of elastic body (6), and articulated section (9) are arranged on the other end of elastic body (6);
It is upper that strain-gauge (4) is arranged on elastic body (6), and strain-gauge (4) deforms along with the distortion of elastic body (6);
Rotational angle between elastic body (6) and articulated section (9) is limited by adjusting mechanism (5).
2. electric assisted bicycle moment sensing system according to claim 1, is characterized in that, also comprises vehicle frame and driving system;
Adjusting mechanism (5) is installed on vehicle frame, and elastic body (6) is installed on vehicle frame by articulated section (9);
The be adjusted application of force of mechanism (5) of elastic body (6), makes the sprocket wheel (7) that is positioned at elastic body (6) one end carry out tensioning to the chain of driving system.
3. electric assisted bicycle moment sensing system according to claim 2, is characterized in that, adjusting mechanism (5) comprising: adjust slide block (11), permanent seat (12) and adjust screw (13); Permanent seat (12) is fixed on vehicle frame, adjusting slide block (11) is placed on permanent seat (12), adjusting screw (13) is arranged on permanent seat (12), by rotation, adjust screw (13) and can change the position of adjusting slide block (11), adjust slide block (11) promotion elastic body (6) and be out of shape and make chain (7) in tensioning state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160920.5U CN203806092U (en) | 2014-04-03 | 2014-04-03 | Torque sensing system of electrically power assisted cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160920.5U CN203806092U (en) | 2014-04-03 | 2014-04-03 | Torque sensing system of electrically power assisted cycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203806092U true CN203806092U (en) | 2014-09-03 |
Family
ID=51444888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420160920.5U Withdrawn - After Issue CN203806092U (en) | 2014-04-03 | 2014-04-03 | Torque sensing system of electrically power assisted cycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203806092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935458A (en) * | 2014-04-03 | 2014-07-23 | 新安乃达驱动技术(上海)有限公司 | Moment sensing system of electric power assisting bicycle |
| CN114475894A (en) * | 2022-03-09 | 2022-05-13 | 安乃达驱动技术(上海)股份有限公司 | Automatic power adjusting method and system for electric bicycle |
-
2014
- 2014-04-03 CN CN201420160920.5U patent/CN203806092U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935458A (en) * | 2014-04-03 | 2014-07-23 | 新安乃达驱动技术(上海)有限公司 | Moment sensing system of electric power assisting bicycle |
| CN114475894A (en) * | 2022-03-09 | 2022-05-13 | 安乃达驱动技术(上海)股份有限公司 | Automatic power adjusting method and system for electric bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |