CN201610908U - Outer friction ring of synchronizer - Google Patents
Outer friction ring of synchronizer Download PDFInfo
- Publication number
- CN201610908U CN201610908U CN2010201133309U CN201020113330U CN201610908U CN 201610908 U CN201610908 U CN 201610908U CN 2010201133309 U CN2010201133309 U CN 2010201133309U CN 201020113330 U CN201020113330 U CN 201020113330U CN 201610908 U CN201610908 U CN 201610908U
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- CN
- China
- Prior art keywords
- gear teeth
- collar
- cylindrical surface
- friction ring
- synchronizer
- 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 belongs to the technical field of synchronizing rings and particularly relates to an outer friction ring of a synchronizer. Six sections of gear teeth sections formed by gear teeth used for meshing are distributed on the outer cylindrical surface of a nesting ring at regular intervals; projecting teeth as high as the gear teeth are arranged in the middle of three uniform sections of spacing on the outer cylindrical surface of the nesting ring; steps with reducing diameters are arranged at the upper end of the nesting ring; the outer cylindrical surface with diameter-reduced middle part of each part without gear teeth is flush with that of the nesting ring; the upper end surfaces of the steps adopt projecting edges with the internal diameter less than that of the nesting ring; arc grooves with equal arc length are formed on the gear teeth sections in corresponding positions; two grooves with gradually greater depths are formed on the outer edge of the step to which each projecting tooth corresponds; the inner cylindrical surfaces of the nesting ring and the steps are conical; annular grooves are arranged between the projecting edges and the conical surfaces; and molybdenum sprayed layers are arranged on the conical surfaces. The outer friction ring with abrasion resistance and long service life is suitable to use in gearboxes of automobiles.
Description
Technical field
The utility model belongs to the synchronizing ring technical field, refers in particular to a kind of synchronizer external friction ring.
Background technique
Synchronizer external friction ring is used for mechanical transmission, particularly in the automotive transmission, must adapt to power shift gear and the mutual relative velocity of transmission shaft that in shift process, produces to this its, reach synchronous by the friction between relative friction pairing in this case, be subjected to very big wearing and tearing at the automotive transmission synchronizer external friction ring that is used for high power engine owing to high frrction load, this is like this too for self-shifting speed changer, example: goods is generally all made with metal with the speed changer of automobile or motor passenger vehicle, being preferably brass makes, 100 tons of load-carryings, travel 250,000 kilometers, the synchronizer external friction ring wearing and tearing in the speed changer are very big, skid easily, working life is short.
Summary of the invention
The purpose of this utility model provide a kind of wear-resisting, be not easy to skid, the synchronizer external friction ring of long service life.
The purpose of this utility model is achieved in that
A kind of synchronizer external friction ring, on the external cylindrical surface of the collar, be arranged at intervals with the gear teeth section of the gear teeth formation of six sections uniform engagement usefulness, three uniform intervals are provided with the double wedge contour with the gear teeth between two parties on the external cylindrical surface of the collar, be provided with the step of undergauge in the upper end of the collar, external cylindrical surface at the middle part undergauge of each no gear teeth portion all flushes with the external cylindrical surface of the collar, the upper-end surface of described step is the convex edge of internal diameter less than collar internal diameter, and offer the curve bath that arc length equates at each gear segment corresponding position, the outer of the step of each double wedge correspondence is provided with the groove that two degree of depth are deepened successively, the inner cylindrical surface of the collar and step is a conical surface, be provided with circular groove between the convex edge and the conical surface, the conical surface is provided with the sprayed molybdenum layer.
The tapering of the above-mentioned conical surface is 5～15 degree.
Above-mentioned tapering is 8 ° ± 3 '.
The radian of above-mentioned no gear teeth portion is that adjacent two-wheeled sector is long.
The integral structure that the above-mentioned collar, the gear teeth, double wedge and step are made of steel.
The outstanding compared to existing technology advantage of the utility model is:
The utility model inner cylindrical surface is provided with the sprayed molybdenum layer, wear-resisting, be not easy to skid, long service life, be applicable in the automotive transmission.
Description of drawings
Fig. 1 is a plan view of the present utility model;
Fig. 2 is the sectional view of Figure 1A-A;
Fig. 3 be Figure 1B-B to the section partial view.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-3:
A kind of synchronizer external friction ring, on the external cylindrical surface of the collar 40, be arranged at intervals with the gear teeth section 120 of the gear teeth 10 formation of six sections uniform engagement usefulness, three uniform intervals are provided with the double wedge 30 contour with the gear teeth 10 between two parties on the external cylindrical surface of the collar 40, be provided with the step 80 of undergauge in the upper end of the collar 40, external cylindrical surface 110 at the middle part undergauge of each no gear teeth portion 20 all flushes with the external cylindrical surface of the collar 40, the upper-end surface of described step 80 is the convex edge 50 of internal diameter less than the collar 40 internal diameters, and offer the curve bath 70 that arc length equates at each gear segment 120 corresponding position, the outer of the step 80 of each double wedge 30 correspondence is provided with the groove 60 that two degree of depth are deepened successively, the inner cylindrical surface of the collar 40 and step is a conical surface, be provided with circular groove 100 between the convex edge 50 and the conical surface, the conical surface is provided with sprayed molybdenum layer 90.
The tapering of the above-mentioned conical surface is 8 ° ± 3 '.
The radian of above-mentioned no gear teeth portion 20 is adjacent two gear teeth, 10 arc length.
The integral structure that the above-mentioned collar 40, the gear teeth 10, double wedge 30 and step 80 usefulness steel are made.
The foregoing description only is one of preferred embodiment of the present utility model; be not to limit protection domain of the present utility model according to this; so: all equivalences of doing according to structure of the present utility model, shape, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (5)
1. synchronizer external friction ring, it is characterized in that: the gear teeth section that on the external cylindrical surface of the collar, is arranged at intervals with the gear teeth formation of six sections uniform engagement usefulness, three uniform intervals are provided with the double wedge contour with the gear teeth between two parties on the external cylindrical surface of the collar, be provided with the step of undergauge in the upper end of the collar, external cylindrical surface at the middle part undergauge of each no gear teeth portion all flushes with the external cylindrical surface of the collar, the upper-end surface of described step is the convex edge of internal diameter less than collar internal diameter, and offer the curve bath that arc length equates at each gear segment corresponding position, the outer of the step of each double wedge correspondence is provided with the groove that two degree of depth are deepened successively, the inner cylindrical surface of the collar and step is a conical surface, be provided with circular groove between the convex edge and the conical surface, the conical surface is provided with the sprayed molybdenum layer.
2. a kind of synchronizer external friction ring according to claim 1, it is characterized in that: the tapering of the described conical surface is 5～15 °.
3. a kind of synchronizer external friction ring according to claim 2 is characterized in that: described tapering is 8 ° ± 3 '.
4. a kind of synchronizer external friction ring according to claim 1 is characterized in that: the radian of described no gear teeth portion is that adjacent two-wheeled sector is long.
5. a kind of synchronizer external friction ring according to claim 1 is characterized in that: the integral structure that the described collar, the gear teeth, double wedge and step are made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201133309U CN201610908U (en) | 2010-02-09 | 2010-02-09 | Outer friction ring of synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201133309U CN201610908U (en) | 2010-02-09 | 2010-02-09 | Outer friction ring of synchronizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201610908U true CN201610908U (en) | 2010-10-20 |
Family
ID=42961542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201133309U Expired - Fee Related CN201610908U (en) | 2010-02-09 | 2010-02-09 | Outer friction ring of synchronizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201610908U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362979A (en) * | 2013-07-22 | 2013-10-23 | 赵孝生 | Automobile synchronizing ring |
| CN107642559A (en) * | 2016-07-22 | 2018-01-30 | 迪尔金属合作两合公司 | Synchronous ring |
-
2010
- 2010-02-09 CN CN2010201133309U patent/CN201610908U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362979A (en) * | 2013-07-22 | 2013-10-23 | 赵孝生 | Automobile synchronizing ring |
| CN107642559A (en) * | 2016-07-22 | 2018-01-30 | 迪尔金属合作两合公司 | Synchronous ring |
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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: 20101020 Termination date: 20190209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |