CN202545746U - Lock ring type synchronizer - Google Patents
Lock ring type synchronizer Download PDFInfo
- Publication number
- CN202545746U CN202545746U CN2012201782638U CN201220178263U CN202545746U CN 202545746 U CN202545746 U CN 202545746U CN 2012201782638 U CN2012201782638 U CN 2012201782638U CN 201220178263 U CN201220178263 U CN 201220178263U CN 202545746 U CN202545746 U CN 202545746U
- Authority
- CN
- China
- Prior art keywords
- plane
- chock
- friction ring
- friction
- ring
- 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 - Lifetime
Links
Images
Abstract
The utility model provides a lock ring type synchronizer. The synchronizer comprises a sliding sleeve, first friction rings, second friction rings, combining gear rings and a gear hub, wherein a plurality of stop blocks capable of moving axially are inlaid on the gear hub; the sliding sleeve is arranged at the periphery of the gear hub; a plurality of lock grooves matched with the stop blocks are distributed on the sliding sleeve in the circumferential direction; the first friction rings rotate along with the gear hub; the second friction rings and the combining gear rings rotate together; the first friction rings are arranged at the peripheries of the second friction rings; the planes, opposite to the second friction rings, of the first friction rings, are a pair of matched inclined planes; grooves with first inclined planes are formed on the first friction rings; second inclined planes matched with the first inclined planes are arranged on the wings of the stop blocks; the lock grooves on the sliding sleeve are provided with third inclined planes; and fourth inclined planes matched with the third inclined planes are arranged on the two sides of the tops of the stop blocks. The synchronizer has the following beneficial effects: as the first friction rings are not provided with lock gears, the machining accuracy requirement and cost are reduced, the gear shift noise is low and the reliability is high.
Description
[technical field]
The utility model relates to motor vehicle transmission and control field, particularly a kind of lock ring type synchronizer.
[background technique]
See also shown in Figure 3ly, the lock ring type synchronizer is widely used in automotive transmission and other fields, and friction ring 3 ' mostly has the locking tooth of circumferential distribution in its basic comprising, and the friction ring manufacturing cost of this structure is high, yield rate is low.
The synchronizer that has the locking tooth produces bump and friction on the locking face when locking, thereby produce the gear shift noise.
Along with the rising of the cost of raw material and processing cost and people raising to noise requirements, how to reduce the cost of production of synchronizer friction ring, improve its performance and become more and more urgent.
[model utility content]
The purpose of the utility model provides a kind of lock ring type synchronizer, to solve the problems of the technologies described above.
To achieve these goals, the utility model adopts following technological scheme:
A kind of lock ring type synchronizer is characterized in that, comprises sliding sleeve, first friction ring, second friction ring, combines gear ring and tooth hub; Be inlaid with on the tooth hub some can axially movable chock; Sliding sleeve is arranged at tooth hub periphery, upwards is distributed with some lock grooves that match with chock sliding sleeve week; First friction ring is embedded in the groove of tooth hub, rotates with the tooth hub; The convexity that second friction ring is provided with combine gear ring on groove or match in the hole or second friction ring is fixed as one with combining gear ring, second friction ring and combination gear ring are rotated together; First friction ring is arranged at the second friction ring periphery, and the face that first friction ring is relative with second friction ring is a pair of inclined-plane that cooperatively interacts; First friction ring is provided with first inclined-plane, and the flank of chock is provided with second inclined-plane that matches with first inclined-plane; The lock groove of sliding sleeve has the 3rd inclined-plane, and the both sides, top of chock are provided with the 4th inclined-plane that matches with the 3rd inclined-plane.
The utility model further improves and is: the face that first friction ring is relative with second friction ring is a pair of inclined-plane that cooperatively interacts, and this is to the inclined-plane friction pair that partners.
The utility model further improves and is: chock is fixed in the corresponding groove of tooth hub through spring; The groove restriction chock of tooth hub can only move axially.
The utility model further improves and is: the cross section of chock is T-shaped, and chock is embedded in the groove of tooth hub through T shape convexity, is connected with a spring between chock and the tooth hub; Radially outward moves the tooth hub in the effect lower edge of the spring force of spring through the indentation limitations chock; The groove of tooth hub leads to moving axially of chock.
The utility model further improves and is: the flank that chock has second inclined-plane stretches in first friction ring, and first inclined-plane and second incline position are relatively but do not contact; The end face of chock does not contact first friction ring; First inclined-plane is a face in the groove on first friction ring, a face of second inclined-plane convexity that to be the chock flank match with groove on first friction ring; Perhaps first inclined-plane is a face of the convexity on first friction ring, a face of second inclined-plane groove that to be the chock flank match with convexity on first friction ring.
The utility model further improves and is: when first inclined-plane contacts second inclined-plane, between first inclined-plane and second inclined-plane one of generation make chock along the tooth hub diameter to first positive pressure of outwards moving; When the 3rd inclined-plane contacts the 4th inclined-plane, between the 3rd inclined-plane and the 4th inclined-plane, produce one make chock along the tooth hub diameter to second positive pressure of inwardly moving; First positive pressure that first inclined-plane has produced when just having begun to contact second inclined-plane stops chock to be depressed by second positive pressure that produces between the 3rd inclined-plane and the 4th inclined-plane.
The utility model further improves and is: the tooth hub is during with the speed discrepancy disappearance that combines between the gear ring; After friction torque between friction pair is 0; First positive pressure between first inclined-plane and second inclined-plane is 0, and chock is depressed by second positive pressure that produces between the 3rd inclined-plane and the 4th inclined-plane.
The utility model further improves and is: said lock ring type synchronizer also comprises the 3rd friction ring, and the 3rd friction ring rotates with the tooth hub; It is inboard that the 3rd friction ring is arranged at second friction ring, and the 3rd friction ring and second friction ring constitute a pair of friction pair.
The utility model further improves and is: offer 3 to 9 grooves with first inclined-plane on first friction ring.
The utility model further improves and is: first friction ring is that steel billet forging molding or powder metallurgy straight forming are processed.
With respect to existing technology, the utlity model has following advantage:
The utility model has carried out optimal design to the structure of existing lock ring type synchronizer, has cancelled the locking tooth, creates the higher synchronizer of a kind of cost performance; The friction ring of this synchronizer does not have the locking tooth, just is provided with some inclined-planes in a circumferential direction, plays the effect identical with the locking tooth; It is littler that this friction ring has a volume size than existing product, plurality of advantages such as manufacturing is easy, and cost is low; Because friction ring has been cancelled the locking tooth, thereby has also reduced the required precision to sliding sleeve processing, thus cost production that can be lower; This synchronizer reduced the number of spare parts of synchronizer through having designed a kind of chock with two groups of inclined-planes, and cancelled some process step of tooth hub and sliding sleeve in the synchronizer, reduced its manufacture cost; Because in the synchronizer, the minimizing of amount of parts makes the reliability of synchronizer and performance all improve a lot; The utility model synchronizer both can be applied to the main tank of speed changer, also can be applied in odd-side (odd-side and back odd-side before comprising), changed a little can be applied in other and to need synchronous occasion; The utility model so can reduce the weight and the gear shift noise of synchronizer, has improved shift property owing to cancelled the locking tooth.
[description of drawings]
Fig. 1 is the structural representation of the utility model synchronizer;
Fig. 2 is the sectional view along H-H line among Fig. 1;
Fig. 3 is the structural representation of existing synchronizer;
Fig. 4 is the sectional view along Z-Z line among Fig. 1.
[embodiment]
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.
Fig. 1 has provided a typical embodiments of the utility model.This synchronizer comprises sliding sleeve 1, chock 2, friction ring 3, central ring 4, interior friction ring 5, spring 6, combines gear ring 7 and tooth hub 8.
Some lock grooves that circumferential distribution is arranged on the sliding sleeve 1 of the utility model, this lock groove matches with chock 2, and simultaneously chock 2 is embedded in the some grooves on the tooth hub 8, guarantees that by the shape and size of groove chock 2 can move axially.The lock groove of sliding sleeve 1 has inclined-plane A ', and the both sides, top of chock 2 are provided with the inclined-plane A that matches with inclined-plane A '.Also have another group inclined-plane B on the chock 2 simultaneously, this inclined-plane B matches with inclined-plane B ' on the friction ring 3.Friction ring 3 also is embedded in the groove of tooth hub 8, rotates with tooth hub 8.Friction ring 3 is formed two pairs of friction pairs with central ring 4, interior friction ring 5 simultaneously, plays the synchronous effect of friction.Wherein the convexity that is provided with of central ring 4 matches with groove or hole on combining gear ring 7, rotation together, and the convexity on the interior friction ring 5 matches with groove or hole on the tooth hub 8, rotates together.
The right side of supposing synchronizer shown in Figure 1 is for low-grade, and the left side is high-grade.Be that example is set forth its working procedure with low grade rising shelves below:
1) during gear shift, gearshift mechanism promotes the combination gear ring 7 that sliding sleeve 1 disengaging is meshed with bootom gear, until its arrival neutral position shown in Figure 1;
2) gearshift mechanism continuation promotion sliding sleeve 1 is moved to the left, and at this moment, the inclined-plane A on the inclined-plane A ' of sliding sleeve 1 and the chock 2 fits, and promotes chock 2 and is moved to the left, and the left end face of chock 2 promotes friction ring 3 compresses friction pair.Because the combination gear ring 7 that the left side is meshed with high speed gear and the rotating speed of central ring 4 are higher than friction ring 3 and tooth hub 8; This moment, friction ring 3 turned over an angle; Make the inclined-plane B ' on the friction ring 3 be adjacent to, thereby on the inclined-plane, produce certain positive pressure with inclined-plane B on the chock 2;
3) sliding sleeve 1 will continue to be moved to the left, and must depress the chock 2 in the lock groove.Angle through to two groups of inclined-planes is optimized design; Can make the positive pressure on the inclined-plane B/B ' stop chock 2 to be depressed; Combine the speed discrepancy between the gear ring 7 to disappear with the left side until tooth hub 8, after the friction torque between friction pair was 0, the positive pressure between the inclined-plane B/B ' was 0;
4) after the positive pressure between the inclined-plane B/B ' is 0, sliding sleeve 1 is depressed chock 2 and is continued to be moved to the left.Because this moment, speed discrepancy was 0, when sliding sleeve 1 combined the left side to combine gear ring 7, tooth can not take place to beat, realize smooth shifting.
Process when top grade reduces shelves is similar with above-mentioned analysis.
The friction pair quantity of this synchronizer can be 1,2 or 3; Locking inclined-plane quantity on this friction ring can be 3 to 9, and this friction ring can be the steel billet forging molding, also can be by the powder metallurgy straight forming.
See also shown in Figure 4; The cross section of chock 2 is T-shaped; During installation, chock 2 is embedded in the groove of tooth hub 8 through T shape convexity, and tooth hub 8 outwards moves under the effect of the spring force of spring 6 through the protruding F restriction chock 2 of groove both sides; Thereby help the assembling of parts such as synchronizer friction ring and sliding sleeve, improved efficiency of assembling; Chock 2 and tooth hub 8 carry out axially directed respectively through the cooperation of side C and C ', thereby guarantee that latch is in optimum working state when work.
Claims (10)
1. a lock ring type synchronizer is characterized in that, comprises sliding sleeve (1), first friction ring (3), second friction ring (4), combines gear ring (7) and tooth hub (8);
Be inlaid with on the tooth hub (8) some can axially movable chock (2);
Sliding sleeve (1) is arranged at tooth hub (8) periphery, upwards is distributed with some lock grooves that match with chock (2) sliding sleeve (1) week;
First friction ring (3) is embedded in the groove of tooth hub (8), rotates with tooth hub (8);
The convexity that second friction ring (4) is provided with combine gear ring (7) on groove or match in the hole or second friction ring (4) is fixed as one with combining gear ring (7), second friction ring (4) and combination gear ring (7) are rotated together;
First friction ring (3) is arranged at second friction ring (4) periphery, and the face that first friction ring (3) is relative with second friction ring (4) is a pair of inclined-plane that cooperatively interacts;
First friction ring (3) is provided with first inclined-plane (B '), and the flank of chock (2) is provided with second inclined-plane (B) that matches with first inclined-plane (B ');
The lock groove of sliding sleeve (1) has the 3rd inclined-plane (A '), and the both sides, top of chock (2) are provided with the 4th inclined-plane (A) that matches with the 3rd inclined-plane (A ').
2. a kind of lock ring type synchronizer according to claim 1 is characterized in that, the face that first friction ring (3) is relative with second friction ring (4) is a pair of inclined-plane that cooperatively interacts, and this is to the inclined-plane friction pair that partners.
3. a kind of lock ring type synchronizer according to claim 1 is characterized in that, chock (2) is fixed in the corresponding groove of tooth hub (8) through spring (6); The groove restriction chock (2) of tooth hub (8) can only move axially.
4. a kind of lock ring type synchronizer according to claim 1 is characterized in that the cross section of chock (2) is T-shaped, and chock (2) is embedded in the groove of tooth hub (8) through T shape convexity, is connected with a spring (6) between chock (2) and the tooth hub (8); Radially outward moves tooth hub (8) in the effect lower edge of the spring force of spring (6) through indentation limitations chock (2); The groove of tooth hub (8) leads to moving axially of chock (2).
5. a kind of lock ring type synchronizer according to claim 1 is characterized in that, the flank that chock (2) has second inclined-plane (B) stretches in first friction ring (3), and first inclined-plane (B ') and position, second inclined-plane (B) are relatively but do not contact; The end face of chock (2) does not contact first friction ring (3);
First inclined-plane (B ') is a face in the groove on first friction ring (3), a face of the convexity that second inclined-plane (B) matches with groove on first friction ring (3) for chock (2) flank; Perhaps first inclined-plane (B ') is a face of the convexity on first friction ring (3), a face of the groove that second inclined-plane (B) matches with convexity on first friction ring (3) for chock (2) flank.
6. a kind of lock ring type synchronizer according to claim 1; It is characterized in that; During contact second inclined-plane, first inclined-plane (B ') (B), produce first positive pressure that chock (2) is moved along tooth hub (8) radially outward between first inclined-plane (B ') and second inclined-plane (B); During contact the 4th inclined-plane, the 3rd inclined-plane (A ') (A), between the 3rd inclined-plane (A ') and the 4th inclined-plane (A), produce second positive pressure that chock (2) is radially inwardly moved along tooth hub (8); First positive pressure that first inclined-plane (B ') has produced when just having begun to contact second inclined-plane (B) stops chock (2) to be depressed by second positive pressure of generation between the 3rd inclined-plane (A ') and the 4th inclined-plane (A).
7. a kind of lock ring type synchronizer according to claim 6; It is characterized in that; Tooth hub (8) is when combining speed discrepancy between the gear ring (7) to disappear; After friction torque between friction pair was 0, first positive pressure between first inclined-plane (B ') and second inclined-plane (B) was 0, and chock (2) is depressed by second positive pressure that produces between the 3rd inclined-plane (A ') and the 4th inclined-plane (A).
8. according to each described a kind of lock ring type synchronizer in the claim 1 to 7, it is characterized in that said lock ring type synchronizer also comprises the 3rd friction ring (5), the 3rd friction ring (5) rotates with tooth hub (8); The 3rd friction ring (5) is arranged at second friction ring (4) inboard, and the 3rd friction ring (5) constitutes a pair of friction pair with second friction ring (4).
9. according to each described a kind of lock ring type synchronizer in the claim 1 to 7, it is characterized in that, offer 3 to 9 grooves on first friction ring (3) with first inclined-plane (B ').
10. a kind of lock ring type synchronizer according to claim 1 is characterized in that first friction ring (3) is processed for steel billet forging molding or powder metallurgy straight forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201782638U CN202545746U (en) | 2012-04-24 | 2012-04-24 | Lock ring type synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201782638U CN202545746U (en) | 2012-04-24 | 2012-04-24 | Lock ring type synchronizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545746U true CN202545746U (en) | 2012-11-21 |
Family
ID=47166384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201782638U Expired - Lifetime CN202545746U (en) | 2012-04-24 | 2012-04-24 | Lock ring type synchronizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644723A (en) * | 2012-04-24 | 2012-08-22 | 陕西法士特齿轮有限责任公司 | Lock ring type synchronization device and its synchronization method |
-
2012
- 2012-04-24 CN CN2012201782638U patent/CN202545746U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644723A (en) * | 2012-04-24 | 2012-08-22 | 陕西法士特齿轮有限责任公司 | Lock ring type synchronization device and its synchronization method |
| CN102644723B (en) * | 2012-04-24 | 2015-04-08 | 陕西法士特齿轮有限责任公司 | Lock ring type synchronization device and its synchronization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102734402B (en) | The two jack shaft pin-type synchronizer gearbox of novel 16 grades of helical teeth | |
| CN103216543A (en) | Car synchronizer | |
| CN102644723A (en) | Lock ring type synchronization device and its synchronization method | |
| CN202545746U (en) | Lock ring type synchronizer | |
| CN104179818A (en) | Controllable disc clutch | |
| CN103352932B (en) | A kind of booster type synchronizer | |
| CN103089941A (en) | Automatic gearbox | |
| CN202203300U (en) | Anti-shedding device of synchronizer of automobile transmission | |
| CN101806339A (en) | Automatic gearbox for vehicle gear | |
| CN203362880U (en) | Automobile synchronous ring | |
| CN203902777U (en) | Planetary gear mechanism and speed changer and bicycle with same | |
| CN107489743A (en) | Automatic gear gearbox | |
| CN103671827A (en) | Gearbox gear with chamfer | |
| CN207648115U (en) | A kind of gear shifting actuating mechanism of self-changing gearbox and the automatic transmission with the mechanism | |
| CN203335673U (en) | Synchronizer of automotive transmission | |
| CN201318404Y (en) | Five reverse gear lever synchronizer | |
| CN201730981U (en) | Device with slanted ratchet pawl for automatic synchronizing clutch | |
| CN205001457U (en) | Binary channels transmission disconnect -type gearbox of shifting | |
| CN202597649U (en) | Auxiliary box synchronizer for gearbox | |
| CN203627587U (en) | Sliding block type automobile transmission synchronizer | |
| CN203655941U (en) | Positioning device for automobile synchronization regulator gear sleeve | |
| CN103388656B (en) | 10-gear double-intermediate-shaft synchronizer gearbox | |
| CN111734822A (en) | Gear selecting and shifting actuating mechanism of transmission | |
| CN201250852Y (en) | Gearbox double-cone synchronizer assembly | |
| CN111734795A (en) | Group-tooth synchronous spinning elastic drive numerical control screw drive clutch-free gear transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |