CN202301554U - Xu's high sensitivity overrunning clutch - Google Patents
Xu's high sensitivity overrunning clutch Download PDFInfo
- Publication number
- CN202301554U CN202301554U CN201120430238XU CN201120430238U CN202301554U CN 202301554 U CN202301554 U CN 202301554U CN 201120430238X U CN201120430238X U CN 201120430238XU CN 201120430238 U CN201120430238 U CN 201120430238U CN 202301554 U CN202301554 U CN 202301554U
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- CN
- China
- Prior art keywords
- star wheel
- roller
- overrunning clutch
- high sensitivity
- wheel
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a Xu's high sensitivity overrunning clutch, comprising an external star wheel and an internal star wheel. A logarithmic spiral type groove structure is disposed in the external star wheel or the internal star wheel; pin rollers, top blocks and springs are disposed in the groove structure; the groove structure is provided with tooth grooves for installing the top blocks and the springs; the tooth grooves and the shaft of one star wheel form a certain angle and the tooth grooves are arranged in an inclined manner; the pin rollers have a segment-based structure; and spacers are disposed between segments of the pin rollers. The pin rollers, the stop blocks and the springs are arranged in the inclined manner at an angle outward or inward along the axial direction of the external star wheel or the internal star wheel, so circumferential distances occupied by the top blocks and the springs are reduced and more pin rollers can be arranged and can bear greatly increased torque. The Xu's high sensitivity overrunning clutch employs an arrangement mode of multiple segment-based pin rolls which do not tilt or shift easily while reacting sensitively, and surfaces of the pin rollers and the star wheels will not be damaged easily because of uniform load bearing. Compared with a conventional pin roller type overrunning clutch, the Xu's high sensitivity overrunning clutch has higher sensitivity, is capable of transmitting greater maximum torque, and is characterized by higher stability and longer service lifetime.
Description
Technical field
The utility model relates to a kind of high sensitivity free wheel device.
Background technique
Traditional roller-type overrunning clutch referring to Fig. 3, is to be arranged in parallel roller 1, jacking block 4, spring 5 along the cylndrical surface of out star wheel 2 or star-wheel 3, has therefore taken limited girth distance.Cause roller can't arrange too much, the moment of torsion that causes can bear is less.
Traditional roller-type overrunning clutch; The length of roller 1 is identical with the width of free wheel device; What adopt is single roller arrangement mode of whole roller, thus oversize because of roller in the running, thus be easy to generate the reaction sensitivity that influences free wheel device with skew; And irregular roller or star-wheel surface are caused damage because of stressed, influence the working life of free wheel device.
Summary of the invention
Technical purpose of the present invention is to overcome the defective that existing clutch exists, and a kind of Tu Shi high sensitivity free wheel device is provided, and sensitivity is higher, and the Maximum Torque that can transmit is bigger, also has higher stability and longer working life simultaneously.
Technological scheme provided by the invention does; A kind of Tu Shi high sensitivity free wheel device; Comprise out star wheel and star-wheel, out star wheel or star-wheel are provided with the groove structure of log spiral formula, and roller, jacking block, spring lay respectively in this groove structure; Groove is provided with teeth groove jacking block and spring is installed, and the axle of teeth groove and star-wheel is oblique arrangement at an angle; Said roller is a segmentation structure, is provided with partition between every section roller.
Compare with traditional free wheel device; Tu Shi high sensitivity free wheel device is arranged roller, jacking block, spring outwardly or inwardly along certain angle tilt that axially is of out star wheel or star-wheel; Reduced the shared girth distance of jacking block and spring; Can arrange down more roller, thereby its moment of torsion that can bear is increased greatly.Roller adopts the segmented multi-roller to arrange, and makes roller be not easy to produce and skew, and reaction sensitivity is high.And because of the stressed evenly surface of easy damaged roller and star-wheel not, thereby prolonged working life of free wheel device.Be to guarantee that roller, jacking block, spring can not move displacement simultaneously, and partition is set between every section roller, guaranteed the stability and the functional reliability of free wheel device running.
Below in conjunction with description of drawings technological scheme of the present invention.
Description of drawings
Fig. 1 is the structural representation of Tu Shi high sensitivity free wheel device of the present invention.
Fig. 2 is the partial structurtes schematic representation of clutch of the present invention.
Fig. 3 is the structural representation of existing free wheel device.
Fig. 4 is existing free wheel device partial structurtes schematic representation.
Embodiment
In order to understand the present invention; Referring to Fig. 1, Fig. 2, Tu Shi high sensitivity free wheel device comprises out star wheel 2 and star-wheel 3; Can be in out star wheel 2 inboards or the groove structure of star-wheel 3 arranged outside log spiral formulas; Groove structure has a plurality of teeth groove, and every row's jacking block 4 and spring 5 lay respectively in the per tooth groove of groove, and the axle of each teeth groove and star-wheel is oblique arrangement at an angle; Each roller is a segmentation structure, is provided with partition 6 between every section roller.
The present invention gets over clutch and arranges roller, jacking block, spring outwardly or inwardly along certain angle tilt that axially is of out star wheel or star-wheel; Thereby reduced the shared girth distance of jacking block and spring; Therefore can arrange down more roller, thereby the moment of torsion that Tu Shi high sensitivity clutch can bear increases greatly.
Traditional roller-type overrunning clutch; The length of roller is identical with the width of free wheel device; What adopt is single roller arrangement mode of whole roller, thus oversize because of roller in the running, thus be easy to generate the reaction sensitivity that influences free wheel device with skew; And irregular roller or star-wheel surface are caused damage because of stressed, influence the working life of free wheel device.And Tu Shi high sensitivity free wheel device roller adopted is segmented multi-roller arrangement mode, the principle that roller uses is the diameter of length less than roller, and makes roller be not easy to produce and skew, so high reaction sensitivity is arranged.And because of the stressed evenly surface of easy damaged roller and star-wheel not, thereby prolonged working life of free wheel device.For guaranteeing that roller, jacking block, spring can not move displacement, also specially increase these parts of partition simultaneously, guaranteed the stability and the functional reliability of free wheel device running.Than traditional roller-type overrunning clutch, the Maximum Torque that can transmit is bigger, also has higher stability and longer working life simultaneously.
Claims (1)
1. Tu Shi high sensitivity free wheel device; Comprise out star wheel and star-wheel; It is characterized in that: said out star wheel or star-wheel are provided with the groove structure of log spiral formula; Roller, jacking block, spring lay respectively in this groove structure, and groove is provided with teeth groove jacking block and spring are installed, and the axle of teeth groove and star-wheel is oblique arrangement at an angle; Said roller is a segmentation structure, between every section roller partition is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120430238XU CN202301554U (en) | 2011-11-03 | 2011-11-03 | Xu's high sensitivity overrunning clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120430238XU CN202301554U (en) | 2011-11-03 | 2011-11-03 | Xu's high sensitivity overrunning clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301554U true CN202301554U (en) | 2012-07-04 |
Family
ID=46370460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120430238XU Expired - Fee Related CN202301554U (en) | 2011-11-03 | 2011-11-03 | Xu's high sensitivity overrunning clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367842A (en) * | 2011-11-03 | 2012-03-07 | 涂鹏远 | Tu's high-sensitivity overrunning clutch |
-
2011
- 2011-11-03 CN CN201120430238XU patent/CN202301554U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367842A (en) * | 2011-11-03 | 2012-03-07 | 涂鹏远 | Tu's high-sensitivity overrunning clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141103 |
|
| EXPY | Termination of patent right or utility model |