CN2522668Y - Wolf-teeth one-way clutch - Google Patents
Wolf-teeth one-way clutch Download PDFInfo
- Publication number
- CN2522668Y CN2522668Y CN 02228255 CN02228255U CN2522668Y CN 2522668 Y CN2522668 Y CN 2522668Y CN 02228255 CN02228255 CN 02228255 CN 02228255 U CN02228255 U CN 02228255U CN 2522668 Y CN2522668 Y CN 2522668Y
- Authority
- CN
- China
- Prior art keywords
- ring
- utility
- model
- shell
- driving gear
- 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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model belongs to the unilateralism clutch technology field, aiming to solve the problem of the blocking ring in terms of falling off from the shell due to inner shrinkage during the reversed sliding high-speed rotation of driving gear. The utility model mainly comprises a driving gear, a ratch ring, a spline shaft, a shell, a blocking ring and a spring. A step is arranged on the driving gear at the position in correspondence with the blocking ring. The utility model has the advantages of no cost addition and high reliability. The utility model is suitable for starter with power larger than 4 kilowatts, in particular to starter used for high-power diesel motor.
Description
Technical field
The utility model relates to the overrunning clutch that uses on a kind of heavy starter motor, and particularly a kind of Retchet gear type overrunning clutch belongs to the overrunning clutch technical field.
Background technique
At present, the overrunning clutch that heavy starter motor uses on the China market mainly contains two kinds of friction chip and Retchet gear types.Wherein, the Retchet gear type overrunning clutch mainly is made up of parts such as actuation gear, ratchet ring, splined shaft, shell, back-up ring, springs.Ratchet ring connects by helical spline with splined shaft, and can move on splined shaft.Under spring action, ratchet on the ratchet ring and the ratchet on the actuation gear are in contact condition.Towards actuation gear, splined shaft is fixed, when being rotated counterclockwise actuation gear, and ratchet engagement, actuation gear and splined shaft do not produce relative movement, and this moment, actuation gear just can transmit by splined shaft by the next moment of ratchet ring transmission.Otherwise then ratchet skids.φ can pack in the shell in order to make back-up ring
2+ 2 δ must be slightly less than φ
1Though existing Retchet gear type overrunning clutch can transfer larger torque, get rid of the situation of mechanical wear, but when actuation gear oppositely skids high speed rotating, thereby have the deficiency of the shell that contracts in the back-up ring.Although the probability that this kind failure mode occurs seldom, this kind phenomenon had in use really taken place.
Summary of the invention
The purpose of this utility model is exactly the Retchet gear type overrunning clutch that provides a kind of back-up ring in use not deviate from from shell at above-mentioned deficiency.
Technical solution of the present utility model is: a kind of Retchet gear type overrunning clutch, comprise actuation gear, ratchet ring, splined shaft, shell, back-up ring and spring, and it is characterized in that: be provided with a step at actuation gear and the corresponding position of back-up ring.
The utility model is owing to be provided with a step at actuation gear and the corresponding position of back-up ring, thereby, when actuation gear oppositely skids high speed rotating,, being subjected to the effect of this step even contract in the back-up ring, back-up ring also can't be deviate from shell.The utility model does not compared with prior art increase cost, but reliability improves greatly, can reach 100%, has overcome the deficiencies in the prior art part, has reached the purpose of this utility model.The utility model is applicable to the starter motor of power greater than 4KW, is specially adapted to the starter motor that high output diesel engine is used.
Description of drawings
Fig. 1 is the structural representation of existing Retchet gear type overrunning clutch; Fig. 2 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2.Back-up ring 2 among Fig. 2, ratchet ring 3, shell 4, splined shaft 5, spring 6 respectively with Fig. 1 in corresponding identical.Actuation gear 7 only is with the difference of actuation gear 1, has increased a step 8, step 8 external diameter φ at actuation gear 7 and back-up ring 2 corresponding positions
3Should satisfy relation: φ
3+ 2 δ＞φ
1Even, contract in the back-up ring 2 like this, be subjected to the influence of step 8 also can't deviate from shell 4.At this moment, φ
3+ 2 δ are greater than φ
1, φ
2+ 2 δ are slightly less than φ
1, so neither influence assembling can guarantee reliability again.All technical requirementss of the relevant overrunning clutch of this design accord with Q C/T29064-92 " automobile starter motor technical specifications " regulation.
Claims (1)
1, a kind of Retchet gear type overrunning clutch comprises actuation gear (7), ratchet ring (3), splined shaft (5), shell (4), back-up ring (2) and spring (6), it is characterized in that: be provided with a step (8) at actuation gear (7) and the corresponding position of back-up ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02228255 CN2522668Y (en) | 2002-01-25 | 2002-01-25 | Wolf-teeth one-way clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02228255 CN2522668Y (en) | 2002-01-25 | 2002-01-25 | Wolf-teeth one-way clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2522668Y true CN2522668Y (en) | 2002-11-27 |
Family
ID=33704863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02228255 Expired - Fee Related CN2522668Y (en) | 2002-01-25 | 2002-01-25 | Wolf-teeth one-way clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2522668Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725635A (en) * | 2017-09-04 | 2018-02-23 | 宁夏共享机床辅机有限公司 | A kind of mechanical overload protection device and unidirectional delivery torque protection device |
| CN113187830A (en) * | 2021-05-24 | 2021-07-30 | 索特传动设备有限公司 | Overrunning clutch and engineering machinery with same |
-
2002
- 2002-01-25 CN CN 02228255 patent/CN2522668Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725635A (en) * | 2017-09-04 | 2018-02-23 | 宁夏共享机床辅机有限公司 | A kind of mechanical overload protection device and unidirectional delivery torque protection device |
| CN113187830A (en) * | 2021-05-24 | 2021-07-30 | 索特传动设备有限公司 | Overrunning clutch and engineering machinery with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021127 Termination date: 20110125 |