CN204647053U - Automobile synchronizer assembly - Google Patents
Automobile synchronizer assembly Download PDFInfo
- Publication number
- CN204647053U CN204647053U CN201520204824.0U CN201520204824U CN204647053U CN 204647053 U CN204647053 U CN 204647053U CN 201520204824 U CN201520204824 U CN 201520204824U CN 204647053 U CN204647053 U CN 204647053U
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- CN
- China
- Prior art keywords
- tooth hub
- ring
- tooth
- transmission shaft
- gear
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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.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000000407 epitaxy Methods 0.000 claims abstract description 15
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model provides a kind of automobile synchronizer assembly, its improvements are to overlap with tooth the tooth hub external splines that internal spline is meshed and are laid in tooth hub body outer side wall, tooth hub body one end face forms tooth hub epitaxy part along axis extension, and tooth hub epitaxy part has the transmission external splines matched with power intake gear inner spline on the outer side wall of end; Described tooth hub central position has through hole in the axial direction, and propeller shaft slip suit wherein.This automobile synchronizer assembly eliminates the spline engagement between synchromesh gear hub and transmission shaft, when avoiding shift speed change, impact between tooth hub and transmission shaft, make greatly to reduce the requirement of strength of transmission shaft, even if transmission shaft diameter is less, or when transmission shaft is wall thickness thinner hollow shaft, also can meet the demands; Also make transmission shaft not fragile, working life increases, and reduces traffic safety hidden danger and vehicle maintenance cost simultaneously.
Description
Technical field
The utility model belongs to automotive transmission field, particularly relates to the synchronizer assembly in a kind of automotive transmission.
Background technique
Existing automobile synchronizer working principle is as follows: tooth cover and tooth hub, tooth hub and transmission shaft all pass through spline engagement, shifting gear is loaded on transmission shaft by bearing housing, when needing gearshift, tooth cover is allocated to the shifting gear needing to change to by selector fork, before engaging with overlapping in conjunction with gear ring and tooth of being fixedly connected with of the shifting gear that these needs change to, synchronous conical ring first combines, make tooth hub synchronous rapidly with the rotating speed in conjunction with gear ring by the friction between the conical surface, namely synchronizer gear sleeve is synchronous rapidly with the rotating speed of shifting gear needing to change to, the shifting gear combined cover changed to now is needed to engage with synchronizer gear sleeve, shift process completes, the shifting gear that power is changed to by these needs reaches transmission shaft, driving automobile continues to travel.
Based on the synchronizer of this kind of working principle, by the spline engagement transferring power between tooth hub and transmission shaft, when often making shift speed change, tooth hub and transmission shaft need bear larger impact, very high to the requirement of strength of transmission shaft, easily cause transmission shaft to damage, bring hidden danger to traffic safety, and increase vehicle maintenance cost.
Model utility content
In view of this, the utility model aims to provide a kind of automobile synchronizer assembly, to solve the problems that existing automobile synchronizer exists.
The technical solution of the utility model is achieved in that
Described automobile synchronizer assembly, comprise tooth cover, tooth hub, in conjunction with gear ring and synchronous conical ring, tooth cover internal spline and tooth hub external splines are connected with a joggle, and tooth overlaps internal spline and matches in conjunction with gear ring external splines, can engage each other, synchronous conical ring tooth hub and in conjunction with gear ring between, described tooth hub external splines is laid in tooth hub body outer side wall, tooth hub body one end face forms tooth hub epitaxy part along axis extension, and tooth hub epitaxy part has the transmission external splines matched with power intake gear inner spline on the outer side wall of end;
Described tooth hub central position has through hole in the axial direction.
Further, described tooth hub epitaxy part external diameter is less than this body diameter of tooth hub.
Further, the through-hole side wall that described tooth hub central position is offered is smooth, and tooth hub is loaded on transmission shaft by bearing housing.
Described in this automobile synchronizer assembly, synchronous conical ring comprises interior conical ring, outer cone ring and bipyramid ring, and interior conical ring is connected with outer cone ring, and outer cone ring is connected with tooth hub body, and bipyramid ring is connected with in conjunction with gear ring;
Interior conical ring male cone (strobilus masculinus) and bipyramid ring inner conical surface match, and outer cone ring inner conical surface and bipyramid ring male cone (strobilus masculinus) match.
Specifically, above-mentioned outer cone ring is connected with tooth hub body and is achieved in the following ways: the uniform some grooves of described tooth hub body outer side wall circumference, and be all connected with slide block in groove, slider bottom is provided with spring, spring one end is fixed on slide block, and the other end and bottom portion of groove abut against;
Described outer cone ring has the breach matched with slide block, slide block energy moving card is located therein.
For the defect that existing automobile synchronizer exists, automobile synchronizer assembly described in the utility model has done a series of improvement for tooth hub: tooth hub is extended to form tooth hub epitaxy part from end face, and tooth hub epitaxy part has the transmission external splines matched with power intake gear inner spline on the outer side wall of end; Offer through hole in the axial direction in tooth hub central position, propeller shaft slip suit wherein simultaneously.By improving above thus existing power being inputted from power shift gear transmission, be passed to synchromesh gear hub, to engage with transmission shaft power to transfer out by synchromesh gear hub again and change into power and input and transmit from tooth hub, be passed to power shift gear, engaged with gear of output end by power shift gear, power transfers out the most at last again.
This automobile synchronizer assembly eliminates the spline engagement between synchromesh gear hub and transmission shaft, when avoiding shift speed change, impact between tooth hub and transmission shaft, make greatly to reduce the requirement of strength of transmission shaft, even if transmission shaft diameter is less, or when transmission shaft is wall thickness thinner hollow shaft, also can meet the demands; Also make transmission shaft not fragile, working life increases, and reduces traffic safety hidden danger and vehicle maintenance cost simultaneously.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that the utility model crosses an its center, and passes through the axial sectional view of central axis
Description of reference numerals:
In figure: 1. tooth cover, 2. tooth hub, 3. in conjunction with gear ring, 4. shifting gear, 5. in conical ring, 6. outer cone ring, 7. bipyramid ring, 8. slide block, 9. spring, 10. bearing, 11. transmission shafts, 21. tooth hub bodies, 22. transmission external spliness, 23. tooth hub epitaxy parts.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Automobile synchronizer assembly described in the utility model, as shown in Figure 1, comprise tooth cover 1, tooth hub 2, in conjunction with gear ring 3 and synchronous conical ring, tooth overlaps 1 internal spline and tooth hub 2 external splines is connected with a joggle, and tooth overlaps 1 internal spline and matches in conjunction with gear ring 3 external splines, can engage each other, synchronous conical ring tooth hub 2 and in conjunction with gear ring 3 between.
Wherein, synchronous conical ring comprises interior conical ring 5, outer cone ring 6 and bipyramid ring 7, and interior conical ring 5 is connected with outer cone ring 6, and outer cone ring 6 is connected with tooth hub body 21, and bipyramid ring 7 is connected with in conjunction with gear ring 3; Interior conical ring 5 male cone (strobilus masculinus) and bipyramid ring 7 inner conical surface match, and outer cone ring 6 inner conical surface and bipyramid ring 7 male cone (strobilus masculinus) match, and namely synchronizer synchronizing process relies on the friction between these two groups of conical surfaces, makes tooth hub identical with in conjunction with the rotating speed between gear ring 3, reaches synchronous.
Further, the uniform some grooves of described tooth hub body 21 outer side wall circumference, be all connected with slide block 8 in groove, be provided with spring 9 bottom slide block 8, spring 9 one end is fixed on slide block 8, and the other end and bottom portion of groove abut against; Described outer cone ring 6 has the breach matched with slide block 8, slide block 8 energy moving card is located therein, and namely this slide block 8 role drives outer cone ring 6 and tooth hub 2 synchronous axial system.
Above technical characteristics be this automobile synchronizer assembly compared with prior art, do not belong to improvement and innovative point part, the shape that the application specifically mentions, structure are not limited in himself, and the existing technical characteristics that can realize same or similar function all can be applicable to the utility model.
This automobile synchronizer assembly has carried out improving and innovation mainly for tooth hub 2: described tooth hub 2 external splines is laid in tooth hub body 21 outer side wall, tooth hub body 21 1 end face forms tooth hub epitaxy part 23 along axis extension, and tooth hub epitaxy part 23 has the transmission external splines 22 matched with power intake gear inner spline on the outer side wall of end; Described tooth hub 2 central position has through hole in the axial direction.
Described tooth hub epitaxy part 23 external diameter is less than tooth hub body 21 external diameter.
The through-hole side wall that described tooth hub 2 central position is offered is smooth, and do not arrange internal spline, tooth hub 2 is set on transmission shaft 11 by bearing 10.
Part between described tooth hub epitaxy part 23 transmission external splines 22 and tooth hub body 21 is set with shifting gear 4 by bearing 10, the transmission shaft 11 of tooth hub 2 the other end is also set with shifting gear 4 by bearing 10, two shifting gears 4 all with can overlap 1 with tooth and to be intermeshingly fixedly connected with in conjunction with gear ring 3; Shifting gear 4 engages with the gear of output end matched with it respectively.
This automobile synchronizer assembly working principle is as follows: engine output power is passed in power intake gear graph 1 and does not mark, power intake gear is by driving tooth hub 2 to rotate with engaging of transmission external splines 22, when needing shift speed change, one of tooth hub 2, tooth cover 1 and the shifting gear 4 being arranged in its both sides is driven to combine by selector fork, by transmission of power to shifting gear 4, do not mark by gear of output end Fig. 1 of being meshed with this shifting gear 4, transmission of power is to output terminal the most at last again.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an automobile synchronizer assembly, comprise tooth cover (1), tooth hub (2), in conjunction with gear ring (3) and synchronous conical ring, tooth cover (1) internal spline and tooth hub (2) external splines are connected with a joggle, and tooth cover (1) internal spline with match in conjunction with gear ring (3) external splines, can engage each other, synchronous conical ring is positioned at tooth hub (2) and in conjunction with between gear ring (3), it is characterized in that: described tooth hub (2) external splines is laid in tooth hub body (21) outer side wall, tooth hub body (21) one end face forms tooth hub epitaxy part (23) along axis extension, tooth hub epitaxy part (23) has the transmission external splines (22) matched with power intake gear inner spline on the outer side wall of end,
Described tooth hub (2) central position has through hole in the axial direction.
2. automobile synchronizer assembly according to claim 1, is characterized in that: described tooth hub epitaxy part (23) external diameter is less than tooth hub body (21) external diameter.
3. automobile synchronizer assembly according to claim 1 and 2, it is characterized in that: the through-hole side wall that described tooth hub (2) central position is offered is smooth, and tooth hub (2) is set on transmission shaft (11) by bearing (10).
4. automobile synchronizer assembly according to claim 1, it is characterized in that: synchronous conical ring comprises interior conical ring (5), outer cone ring (6) and bipyramid ring (7), interior conical ring (5) is connected with outer cone ring (6), outer cone ring (6) is connected with tooth hub body (21), and bipyramid ring (7) is connected with in conjunction with gear ring (3);
Interior conical ring (5) male cone (strobilus masculinus) and bipyramid ring (7) inner conical surface match, and outer cone ring (6) inner conical surface and bipyramid ring (7) male cone (strobilus masculinus) match.
5. automobile synchronizer assembly according to claim 4, it is characterized in that: the uniform some grooves of described tooth hub body (21) outer side wall circumference, slide block (8) is all connected with in groove, slide block (8) bottom is provided with spring (9), spring (9) one end is fixed on slide block (8), and the other end and bottom portion of groove abut against;
Described outer cone ring (6) has the breach matched with slide block (8), slide block (8) energy moving card is located therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204824.0U CN204647053U (en) | 2015-04-07 | 2015-04-07 | Automobile synchronizer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204824.0U CN204647053U (en) | 2015-04-07 | 2015-04-07 | Automobile synchronizer assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647053U true CN204647053U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520204824.0U Expired - Fee Related CN204647053U (en) | 2015-04-07 | 2015-04-07 | Automobile synchronizer assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728295A (en) * | 2015-04-07 | 2015-06-24 | 天津天海同步科技股份有限公司 | Automobile synchronizer assembly |
-
2015
- 2015-04-07 CN CN201520204824.0U patent/CN204647053U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728295A (en) * | 2015-04-07 | 2015-06-24 | 天津天海同步科技股份有限公司 | Automobile synchronizer assembly |
| CN104728295B (en) * | 2015-04-07 | 2023-08-29 | 天津天海同步科技有限公司 | Automobile synchronizer assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301600 Jinhai Road, Jinghai Development Zone, Jinghai County, Tianjin 5 Patentee after: TIANJIN TANHAS TECHNOLOGY Co.,Ltd. Address before: 301600 Jinhai Road, Jinghai Development Zone, Jinghai County, Tianjin 5 Patentee before: TIANJIN TANHAS TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |