CN205618628U - It freely takes turns differential mechanism to surmount formula between wheel of in good time 4 wheel driven vehicle - Google Patents
It freely takes turns differential mechanism to surmount formula between wheel of in good time 4 wheel driven vehicle Download PDFInfo
- Publication number
- CN205618628U CN205618628U CN201620409062.2U CN201620409062U CN205618628U CN 205618628 U CN205618628 U CN 205618628U CN 201620409062 U CN201620409062 U CN 201620409062U CN 205618628 U CN205618628 U CN 205618628U
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- commutation
- drivewheel
- roller
- self
- shifting block
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Abstract
The utility model discloses a can realize the differential mechanism of two -way automatic locking, including the shell of mutual collaborative work, driven gear, the locating pin, the action wheel, the switching -over shifting block, the follower, the driving gear, gu fixed ring, switching -over roller holder, left end lid, auto -lock roller, switching -over roller, auto -lock roller holder, friction ring, jump ring, cylindric lock, rotate the in -process at the action wheel along with driven gear, the switching -over shifting block of installing on the action wheel makes the emergence of switching -over shifting block rotate through the extrusion that commutates between roller and solid fixed ring to the relative displacement who drives between production of auto -lock roller holder and auto -lock roller and action wheel changes the auto -lock direction between action wheel and follower. The utility model discloses switching the in -process from freely taking turns to operating condition, through the realization of pure mechanical control, the manual switching on the existing market has been replaced, electric changeover valve and hydraulic pressure switching process. Need not other exogenic actions after the vehicle is got rid of poverty, automatic recovery normal condition really realizes automatic control, reduces cross -country threshold.
Description
Technical field
This utility model relates to a kind of differential mechanism, particularly to override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, belongs to vehicle component technical field.
Background technology
In the vehicle of in good time four-wheel drive or all-wheel drive, for ensureing that vehicle travels and the requirement of state switching of getting rid of poverty normal, sliding or latch functions the differential mechanism of band limit is often used to realize, limited-slip differential on market can not 100% transmission moment of torsion, thus get rid of poverty to vehicle and bring certain impact, locking differential can be with 100% transmission moment of torsion, but need to switch latch functions by external force, which adds the labor intensity that the specialty of driver requires and drives, misoperation easily causes vehicle damage or casualties.The shortcoming that existing super-clutch type differential mechanism exists commutation poor reliability, it is impossible to meet vehicle and use needs.
Find through retrieval, at present not any document disclose a kind of can purely mechanic automatic limiting slide, the differential mechanism of locking.
Utility model content
This utility model, for defect present in prior art, proposes a kind of to be automatically obtained automatically combining and override type freewheel differential between the wheel of the in good time four-wheel drive cars separated of front-rear axle differential mechanism by purely mechanic structure.
For realizing above technical purpose, this utility model will take following technical scheme:
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, mainly by shell, driven gear, alignment pin, drivewheel, commutate shifting block, follower, driving gear, retainer ring, commutation roller rolling retainer, left end cap, self-locking roller, commutation roller, self-locking roller rolling retainer, drag ring, jump ring, straight pin forms；Drivewheel is fixedly installed on driven gear；Commutation shifting block is installed on drivewheel by straight pin；Jump ring is installed on commutation block one ear angle and drivewheel, and retainer ring is installed on outer casing inner wall；Commutation roller rolling retainer is between retainer ring and commutation shifting block；Commutation roller is installed in the roller slot in commutation roller rolling retainer, commutation roller rolling retainer has stroke groove and ensures, by the alignment pin being installed on drivewheel, the roller rolling retainer position with drivewheel certain angle of commutating；Self-locking roller rolling retainer is installed on inside drivewheel, and self-locking roller is installed in self-locking roller rolling retainer roller slot, and follower is installed in self-locking roller rolling retainer, and is connected as a single entity with output shaft involute spline；Driving gear coordinates with driven gear and is installed in shell.
The technical scheme that this utility model limits further as:
Further, the drivewheel inner surface being installed on driven gear is distributed more than one Baltimore groove, formed between the Baltimore groove of drivewheel and follower and move wherein for self-locking roller more than the space of self-locking roller diameter, to form locking and the position separated, the relative position between self-locking roller with drivewheel concave shaped groove is by commutating shifting block and self-locking roller rolling retainer controls.
Further, commutation shifting block is installed on outside drivewheel by pin, the roller that commutates in drivewheel is by driven gear rotation process extrudes commutation shifting block surface, thus realizing auto-lock function commutation, commutation shifting block position location is contacted and jump ring location with drivewheel outer surface by the ear angle on commutation shifting block.
Further, commutation roller rolling retainer outer rim side has stroke groove, controlling the position of certain angle between itself and drivewheel by the alignment pin being installed on drivewheel, commutation roller rolling retainer has the corresponding groove laying commutation roller, commutation roller rotates with the rotation of commutation roller rolling retainer.
Further, commutation shifting block is with in drivewheel rotation process, and extruding between its surface and commutation roller and retainer ring is so that commutation shifting block rotates, and commutation shifting block drives self-locking roller rolling retainer to rotate in rotation process, thus realizes self-locking commutation.
Further, when differential mechanism is between propons, driving gear strengthens 8%-12% with the base ratio of driven gear relative to the base ratio of back axle, and during to reach normal vehicle operation, drivewheel rotating speed is less than arbitrary follower rotating speed.
Further, when differential mechanism is between back axle, driving gear strengthens 45%-55% with the base ratio of driven gear relative to the base ratio of propons, and during to reach normal vehicle operation, drivewheel rotating speed is less than arbitrary follower rotating speed.
This utility model, owing to taking above technical scheme, has the advantage that 1. these differential mechanisms can be individually attached between the passive bridge of four-wheel drive cars, it is not necessary to center differential or transfer case realize combination between passive bridge and separate.2. changement is the core component for this differential mechanism, can advance at vehicle, and commutation enforced by the changement realizing differential mechanism in fallback procedures, it is ensured that the reliability of this equipment commutation, solves the commutation unreliability of existing super-clutch type differential mechanism.3. no matter vehicle is to advance or under drawback movement state, automatically combining and separating of front-rear axle differential mechanism can be automatically obtained by frame for movement, ensure that what passive bridge moment when actively bridge runs out of steam combined is automatically obtained, delayed on Mei Youshijian, becomes in-problem a kind of effective ways in solution technical background.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model；
Fig. 2 is the sectional structure schematic diagram in A-A face in Fig. 1；
Fig. 3 is the first running status of the present utility model；
Fig. 4 is the second running status of the present utility model.
In figure: shell 1, driven gear 2, alignment pin 3, drivewheel 4, commutate shifting block 5, follower 6, driving gear 7, retainer ring 8, commutate roller rolling retainer 9, left end cap 10, self-locking roller 11, commutation roller 12, self-locking roller rolling retainer 13, drag ring 14, jump ring 15, straight pin 16.
Detailed description of the invention
Accompanying drawing discloses the structural representation of preferred embodiment involved by this utility model without limitation；The technical solution of the utility model is explained below with reference to accompanying drawing.
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, as Figure 1-Figure 2, is mainly formed by with lower component: shell 1, driven gear 2, alignment pin 3, drivewheel 4, commutation shifting block 5, follower 6, driving gear 7, retainer ring 8, commutate roller rolling retainer 9, left end cap 10, self-locking roller 11, commutate roller 12, self-locking roller rolling retainer 13, drag ring 14, jump ring 15, straight pin 16.
Drivewheel 4 inner surface being installed on driven gear 2 is distributed more than one Baltimore groove, formed between the Baltimore groove of drivewheel 4 and follower 6 and supply self-locking roller 11 movement position wherein more than the space of self-locking roller 11 diameter, to form locking and to separate, the relative position between self-locking roller 11 with drivewheel 4 concave shaped groove is driven retainer control by the shifting block 5 that commutates.Commutation shifting block 5 is installed on outside drivewheel 4 by pin, roller 12 extruding commutation shifting block 5 surface of commutating in drivewheel 4 is by driven gear 2 rotation process so that it is rotate, and drive retainer and self-locking roller 11 to move together, thus realize auto-lock function commutation.
Commutation shifting block 5 position location is contacted with drivewheel 4 outer surface by the ear angle on shifting block 5 of commutating and jump ring 15 positions.Commutation roller rolling retainer 9 outer rim side has stroke groove, the position of certain angle between itself and drivewheel 4 is controlled by the alignment pin 3 being installed on drivewheel 4, having the corresponding groove laying commutation roller 12 on commutation roller rolling retainer 9, commutation roller 12 rotates with the rotation of commutation roller rolling retainer 9.Commutation shifting block 5 is with in drivewheel 4 rotation process, and extruding between its surface and commutation roller 12 and retainer ring 8 is so that commutation shifting block 5 rotates, and commutation shifting block 5 drives self-locking roller rolling retainer 13 to rotate together in rotation process, thus realizes self-locking commutation.
Two followers 6 are installed in self-locking roller 11 retainer, are connected with two output cage axles respectively, when arbitrary follower 6 rotating speed is less than drivewheel 4 rotating speed moment, produce self-locking, thus with drivewheel 4 synchronous axial system.
1. when this patent is between propons, the base ratio (driving gear (7) and driven gear (2)) of this patent strengthens 8%-12% relative to the base ratio of back axle (actively bridge), and during to reach normal vehicle operation (comprising normal direction of rotation), this patent product drivewheel (4) rotating speed is less than arbitrary follower rotating speed.
2. when this patent is between back axle, the base ratio (driving gear (7) and driven gear (2)) of this patent strengthens 45%-55% relative to the base ratio of propons (actively bridge), and during to reach normal vehicle operation (comprising normal direction of rotation), this patent product drivewheel (4) rotating speed is less than arbitrary follower rotating speed.
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, commutation work process:
1. when drivewheel 4 rotates clockwise, the roller a that commutates as shown in Figure 3 presses to commutation block makes it rotate, and after driving retainer and self-locking roller 11 to rotate counterclockwise certain angle, commutation retainer rotates under alignment pin 3 acts on together with drivewheel 4, commutation block is rotated further certain angle under snap ring effect, commutation roller a is in free state, commutation completes, at this moment self-locking roller 11 is positioned on rear side of drivewheel 4 groove (relative to drivewheel 4 direction of motion) in this case, when follower 6 rotating speed is more than drivewheel 4, follower 6 can freely surmount, when follower 6 rotating speed is less than drivewheel 4 moment, in drivewheel 4 self-locking, drivewheel 4 drives follower 6 to rotate together.
2. when drivewheel 4 rotates counterclockwise, the roller b that commutates as shown in Figure 4 presses to commutation block makes it rotate, and after driving retainer and self-locking roller 11 to rotate clockwise certain angle, commutation retainer rotates under alignment pin 3 acts on together with drivewheel 4, commutation block is rotated further certain angle under snap ring effect, commutation roller b is in free state, commutation completes, at this moment self-locking roller 11 is positioned on rear side of drivewheel 4 groove (relative to drivewheel 4 direction of motion) in this case, when follower 6 rotating speed is more than drivewheel 4, follower 6 can freely surmount, when follower 6 rotating speed is less than drivewheel 4 moment, in drivewheel 4 self-locking, drivewheel 4 drives follower 6 to rotate together.
Claims (7)
1. an override type freewheel differential between the wheel of in good time four-wheel drive cars, is characterized in that: main by shell (1), driven gear (2), alignment pin (3), drivewheel (4), commutation shifting block (5), follower (6), driving gear (7), retainer ring (8), commutation roller rolling retainer (9), left end cap (10), self-locking roller (11), commutation roller (12), self-locking roller rolling retainer (13), drag ring (14), jump ring (15), straight pin (16) forms；Drivewheel (4) is fixedly installed on driven gear (2)；Commutation shifting block (5) is installed on drivewheel (4) by straight pin (16)；Jump ring (15) is installed on commutation block one ear angle and drivewheel, and retainer ring (8) is installed on shell (1) inwall；Commutation roller rolling retainer (9) is positioned between retainer ring (8) and commutation shifting block (5)；Commutation roller (12) is installed in the roller slot in commutation roller rolling retainer (9), commutation roller rolling retainer (9) has stroke groove and ensures, by the alignment pin (3) being installed on drivewheel (4), the roller rolling retainer (9) position with drivewheel (4) certain angle of commutating；It is internal that self-locking roller rolling retainer (13) is installed on drivewheel (4), self-locking roller (11) is installed in self-locking roller rolling retainer (13) roller slot, follower (6) is installed in self-locking roller rolling retainer (13), and is connected as a single entity with output shaft involute spline；In driving gear (7) coordinates with driven gear (2) and is installed on shell (1).
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, it is characterized in that: drivewheel (4) inner surface being installed on driven gear (2) is distributed more than one Baltimore groove, formed between the Baltimore groove of drivewheel (4) and follower (6) and move wherein for self-locking roller (11) more than the space of self-locking roller (11) diameter, to form locking and the position separated, the relative position between self-locking roller (11) with drivewheel (4) concave shaped groove is controlled by the shifting block that commutates (5) and self-locking roller rolling retainer.
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, it is characterized in that: commutation shifting block (5) is installed on drivewheel (4) outside by pin, the roller (11) that commutates in drivewheel (4) is by driven gear (2) rotation process extrudes commutation shifting block (5) surface, thus realizing auto-lock function commutation, commutation shifting block (5) position location is contacted and jump ring (15) location with drivewheel (4) outer surface by the ear angle in commutation shifting block (5).
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, it is characterized in that: commutation roller rolling retainer (9) outer rim side has stroke groove, the position of certain angle between itself and drivewheel (4) is controlled by the alignment pin (3) being installed on drivewheel (4), having the corresponding groove laying commutation roller (12) in commutation roller rolling retainer (9), commutation roller (12) rotates with the rotation of commutation roller rolling retainer (9).
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, it is characterized in that: commutation shifting block (5) is with in drivewheel (4) rotation process, extruding between its surface and commutation roller (12) and retainer ring (8) is so that commutation shifting block (5) rotates, commutation shifting block (5) drives self-locking roller rolling retainer (13) to rotate in rotation process, thus realizes self-locking commutation.
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, it is characterized in that: when differential mechanism is between propons, driving gear (7) strengthens 8%-12% with the base ratio of driven gear (2) relative to the base ratio of back axle, and during to reach normal vehicle operation, drivewheel (4) rotating speed is less than arbitrary follower rotating speed.
Override type freewheel differential between the wheel of a kind of in good time four-wheel drive cars, it is characterized in that: when differential mechanism is between back axle, driving gear (7) strengthens 45%-55% with the base ratio of driven gear (2) relative to the base ratio of propons, and during to reach normal vehicle operation, drivewheel (4) rotating speed is less than arbitrary follower rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409062.2U CN205618628U (en) | 2016-05-06 | 2016-05-06 | It freely takes turns differential mechanism to surmount formula between wheel of in good time 4 wheel driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409062.2U CN205618628U (en) | 2016-05-06 | 2016-05-06 | It freely takes turns differential mechanism to surmount formula between wheel of in good time 4 wheel driven vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618628U true CN205618628U (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620409062.2U Withdrawn - After Issue CN205618628U (en) | 2016-05-06 | 2016-05-06 | It freely takes turns differential mechanism to surmount formula between wheel of in good time 4 wheel driven vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN205618628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043274A (en) * | 2019-12-31 | 2020-04-21 | 代道洋 | Double-path coupling transmission differential mechanism |
-
2016
- 2016-05-06 CN CN201620409062.2U patent/CN205618628U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043274A (en) * | 2019-12-31 | 2020-04-21 | 代道洋 | Double-path coupling transmission differential mechanism |
| CN111043274B (en) * | 2019-12-31 | 2021-01-19 | 代道洋 | Double-path coupling transmission differential mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161005 Effective date of abandoning: 20180720 |
|
| AV01 | Patent right actively abandoned |