CN201264526Y - Hub locking mechanism - Google Patents
Hub locking mechanism Download PDFInfo
- Publication number
- CN201264526Y CN201264526Y CNU2008200966712U CN200820096671U CN201264526Y CN 201264526 Y CN201264526 Y CN 201264526Y CN U2008200966712 U CNU2008200966712 U CN U2008200966712U CN 200820096671 U CN200820096671 U CN 200820096671U CN 201264526 Y CN201264526 Y CN 201264526Y
- Authority
- CN
- China
- Prior art keywords
- gear
- slide sleeve
- pedestal
- hublock
- hub locking
- 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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- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a hub locking mechanism, belonging to a clutch device of a front and a rear transmission shafts of a four-wheel drive car; the utility model aims at providing the clutch device which can realize that a whole front half shaft and a differential gear are in an inactive state without disconnecting a two-wheel drive chain element. The clutch device comprises a base and a clutch mechanism arranged inside the base; wherein, the clutch mechanism comprises a hub locking gear (10), a gear slide sleeve (5), a jack catch (7), a cam (9), a spring (2) and a wavy spring (6); wherein, the outer circumference surface of the hub locking gear (10) with an internal spline is provided with two outer annular grooves (12); the inner circumference surface of the gear slide sleeve (5) with an external spline is provided with an inner annular groove (13), and internal gears of the cam (9) are meshed with the external gears of the hub locking gear (10). The clutch device has the advantages of simple and compact structure, small volume, light weight, convenient operation and high reliability, is an ideal device used for connecting or disconnecting the front half shaft and the rear half shaft of the four-wheel drive car.
Description
Technical field: the utility model relates to a kind of automatic clutch device, relates in particular to a kind of arrangement of clutch that connects or disconnect the forward and backward transmission shaft of 4Wdvehicle.
Background technology: the wheel hub lockout mechanism also claims loose boss mechanism, is mainly used in the semiaxis element on connection or the disconnection 4Wdvehicle wheel hub.When this mechanism was in latched position, the two-semiaxle element connected; When this mechanism was in free position, the two-semiaxle element disconnected.Yet, there are defectives such as complex structure, transmission chain length mostly in the wheel hub lockout mechanism of 4Wdvehicle at present, and only could realize under the open circuited situation of two-wheel drive chain member that whole half front axle and differential gear are inactive, drive very inconvenient.
Summary of the invention: at the above-mentioned defective that exists in the prior art, the utility model aims to provide and does not a kind ofly need to disconnect the two-wheel drive chain member and just can realize whole half front axle and the inactive wheel hub lockout mechanism of differential gear.
To achieve these goals, the utility model by the following technical solutions: it comprises pedestal, is arranged on the engaging and disengaging gear in this pedestal; Described engaging and disengaging gear by by the hublock fixed gear of bearing installation on pedestal, be arranged on gear slide sleeve in the pedestal, be sleeved on claw and cam on the hublock fixed gear, be arranged on the spring between pedestal and the gear slide sleeve and be arranged on gear slide sleeve and claw between wavy spring constitute; Wherein, on the outer circumference surface of the hublock fixed gear that is provided with female splines, be provided with two outer annular groove, on the inner peripheral surface of the gear slide sleeve that is provided with male splines, be provided with an interior circular groove, the outer gear teeth engagement of the interior gear teeth of cam and hublock fixed gear.
Compared with the prior art, the utility model is owing to adopted technique scheme, therefore have simple and compact for structure, volume is little, in light weight, control comfort, reliability advantages of higher, and it is inactive with regard to realizing whole half front axle and differential gear not need to disconnect the two-wheel drive chain member, as long as switch is adjusted to suitable position, front-wheel just can independently rotate under the effect of driving chain.
Description of drawings:
Fig. 1 is the structural representation of the utility model when being in free state;
Fig. 2 is the structural representation of the utility model when being in the lock state;
Fig. 3 is the right elevation of Fig. 1 or Fig. 2;
Fig. 4 is the structural representation of the utility model hublock fixed gear;
Fig. 5 is the structural representation of the utility model gear slide sleeve;
Fig. 6 is the perspective view of the utility model claw.
Among the figure: circular grooves 13 in pedestal 1 spring 2 little interior jump ring 3 bearings 4 gear slide sleeves 5 wavy springs 6 claws 7 imperial palace jump rings 8 cams 9 hublock fixed gears 10 outer jump ring 11 outer annular groove 12
The specific embodiment: the utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:
In Fig. 1～6, the inwall of pedestal 1 is provided with female splines, gear slide sleeve 5 is arranged in the pedestal 1 by the male splines on its outer circumference surface, and the hublock fixed gear 10 that is installed on the pedestal 1 by bearing 4 passes from gear slide sleeve 5, and claw 7 and cam 9 are sleeved on the hublock fixed gear 10; Be provided with spring 2 between the left side of the bottom surface of pedestal 1 and gear slide sleeve 5, be provided with wavy spring 6 between the right side of gear slide sleeve 5 and the claw 7; On the outer circumference surface of the hublock fixed gear 10 that is provided with female splines, be provided with two outer annular groove 12, the inner peripheral surface of gear slide sleeve 5 is provided with an interior circular groove 13, the outer circumference surface of gear slide sleeve 5 is provided with and pedestal 1 inwall ingear male splines, the outer gear teeth engagement of the interior gear teeth of cam 9 and hublock fixed gear 10.For fear of bearing 4 plaies, bearing 4 is located by the little interior jump ring 3 that is arranged on the outer jump ring 11 on the pedestal 1 and be arranged on hublock fixed gear 10 inwalls; In slippage on the wheel hub lock gear 10 under the effect of spring force, on the inwall of hublock fixed gear 10, be provided with imperial palace jump ring 8 for fear of claw 7.
Principle of work: when cam 9 is subjected to left pressure, this cam promotes claw 7 compressed waveform springs 6, gear slide sleeve 5 overcomes spring 2 under the effect of this wavy spring elastic force slides left, the internal tooth of gear slide sleeve 5 and the engagement of hublock fixed gear 10 external tooths, this moment, mechanism was in the lock state, so forward and backward semiaxis connects; After external force is removed, wavy spring 6 and spring 2 state that affranchises, gear slide sleeve 5 and claw 7 slide to the right, the described internal tooth and the described external tooth jump out of mesh of hublock fixed gear 10 of wheel sliding sleeve 5, mechanism is in free state, so the disconnection of forward and backward semiaxis.
Claims (1)
1. a wheel hub lockout mechanism comprises pedestal, is arranged on the engaging and disengaging gear in this pedestal; It is characterized in that: described engaging and disengaging gear by be installed in by bearing (4) hublock fixed gear (10) on the pedestal (1), by spline be arranged on gear slide sleeve (5) in the pedestal (1), be sleeved on claw (7) and cam (9) on the hublock fixed gear (10), be arranged on the spring (2) between pedestal (1) and the gear slide sleeve (5) and be arranged on gear slide sleeve (5) and claw (7) between wavy spring (6) constitute; Wherein, on the outer circumference surface of the hublock fixed gear (10) that is provided with female splines, be provided with two outer annular groove (12), on the inner peripheral surface that is provided with the gear slide sleeve of male splines (5), be provided with an interior circular groove (13), the outer gear teeth engagement of the interior gear teeth of cam (9) and hublock fixed gear (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200966712U CN201264526Y (en) | 2008-09-26 | 2008-09-26 | Hub locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200966712U CN201264526Y (en) | 2008-09-26 | 2008-09-26 | Hub locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201264526Y true CN201264526Y (en) | 2009-07-01 |
Family
ID=40830882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200966712U Expired - Fee Related CN201264526Y (en) | 2008-09-26 | 2008-09-26 | Hub locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201264526Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127830A (en) * | 2017-06-14 | 2017-09-05 | 何志达 | A kind of machine and wood cutting for being easy to dismounting to overhaul and safeguard |
-
2008
- 2008-09-26 CN CNU2008200966712U patent/CN201264526Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127830A (en) * | 2017-06-14 | 2017-09-05 | 何志达 | A kind of machine and wood cutting for being easy to dismounting to overhaul and safeguard |
| CN107127830B (en) * | 2017-06-14 | 2018-04-13 | 台山市威利邦木业有限公司 | A kind of machine and wood cutting of maintenance easy to disassemble and maintenance |
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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: 20090701 Termination date: 20140926 |
|
| EXPY | Termination of patent right or utility model |