CN2204738Y - Skidproof differential mechanism - Google Patents
Skidproof differential mechanism Download PDFInfo
- Publication number
- CN2204738Y CN2204738Y CN 94243366 CN94243366U CN2204738Y CN 2204738 Y CN2204738 Y CN 2204738Y CN 94243366 CN94243366 CN 94243366 CN 94243366 U CN94243366 U CN 94243366U CN 2204738 Y CN2204738 Y CN 2204738Y
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- CN
- China
- Prior art keywords
- ratchet
- wheel
- support wheel
- utility
- tooth
- 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
A skidproof differential mechanism belongs to an automotive vehicular differential mechanism. The structure of the utility model comprises a casing composed of a side cover and a movable case, a spline semi-axis, a balancing wheel which is connected with the spline semi-axis in sliding, a trip wheel which is tooth jointed with the spline semi-axis, and a pawl which can support in the elongated holes on the balancing wheel in sliding with the upper part of the pawl supporting the upper part and the lower part of the movable case. The trip wheel can be a tooth trip wheel or a gearless trip wheel. Compared with the existing techniques, the utility model has the advantages of simpler structure, more convenient use and maintenance, low cost and longer service life.
Description
The utility model belongs to a kind of automobile-use diff.
Before the utility model was realized, the general-duty automobile differential must just can make active force distribute to two drive wheels with equivalent when two drive wheels are impartial or close with ground-surface friction force.When the drive wheel of a side and ground-surface friction force weaken or disappear, the state that above-mentioned active force equivalent is distributed will be broken, and active force all is transmitted to the side of skidding, so that this side drive wheel generation is skidded, dallied, and the opposite side drive wheel runs out of steam, and automobile is stopped into.For addressing the above problem, the inventor is at 94220774.2(applying date 94.09.24) a kind of override type anti-skid final drive is disclosed in the utility application, during this device busy, distribute to two side drive wheel of active force with equivalent also can be conducted to either party individually.Even with unsettled the erecting of any side, opposite side can rely on the power cruising as usual, thereby prevented to cause " cast anchor " generation of phenomenon of automobile because of tyre skidding.But the problem that exists is, the structure more complicated of ratchet, thereby the equal difficulty relatively of the maintenance, maintenance that make device, and also cost is higher.
The purpose of this utility model is to provide a kind of new override type anti-skid final drive, thereby has solved the problem that exists in the above-mentioned prior art effectively.
The support wheel that the shell that is made of side cover and power shell, spline semiaxis is arranged in the structure of the present utility model, be slidingly connected with described spline semiaxis, the ratchet that connects with tooth with the spline semiaxis and upper end are supported in the groove on the described power shell, and the lower end slidably is supported in the ratchet in the elongated hole on the support wheel.Described ratchet is a single piece.
Ratchet in the structure of the present utility model can be that tooth papillae wheel, also anodontia ratchet are arranged.When employing had the tooth papillae wheel, the lower end of ratchet was " eight " font.When adopting anodontia ratchet, the both sides, lower end of described ratchet are provided with the platform that has with the corresponding garden of ratchet arc.
When accompanying drawing 1 has the tooth papillae wheel for adopting, structural representation of the present utility model.
Accompanying drawing 2 is the left side scheme drawing of accompanying drawing 1.
Accompanying drawing 3 when adopting anodontia ratchet, structural representation of the present utility model.
Accompanying drawing 4 is the left side scheme drawing of accompanying drawing 3.
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
In accompanying drawing 1,2, side cover (2) becomes shell of the present utility model with power shell (6) mutual group, in the middle part arranged outside of described power shell (6) a bevel gear seat (4), and connect with the active force of automobile by this bevel gear seat.At the middle part of described side cover (2) bearing seat (3) is arranged respectively, respectively pass a spline semiaxis (1) in the middle of it.This spline semiaxis can connect with drive wheel, and drives its rotation.Described two spline semiaxis do not connect mutually, and are separate.
On described spline semiaxis, respectively be provided with a support wheel (5).Be slidingly connected between this support wheel and the spline semiaxis.When the spline semiaxis rotated, support wheel can not rotate thereupon.Respectively be provided with ratchet (8) in the both sides of support wheel (5), this ratchet connects with tooth with described spline semiaxis.When described ratchet is rotated, can drive the spline semiaxis and together rotate.Between described support wheel and ratchet, can also be provided with friction lining (7), to increase the friction force between the two.
Between the ratchet of described support wheel inboard, be provided with a spring (9), make under this spring force effect, produce thrust between support wheel and the ratchet, thereby increased friction force.
The structure of ratchet (10) is " eight " font as shown in the figure, is single piece.Its upper end is supported on the power shell with pin (11), and the lower end is connected in the hole (13) on the support wheel with pin (12).Being shaped as of described hole (13) is microscler.When work, can make pin (12) in hole (13), produce relative displacement, this displacement can make ratchet correspondingly be a certain angle of spot wobble with pin (11) or pin (12).
Among the embodiment shown in Fig. 3,4, ratchet (14) is for there being the tooth papillae wheel, ratchet (15) is a single piece, the both sides of its lower end respectively are provided with a platform (16), the end face of platform (16) is and the corresponding garden of ratchet arc, guaranteeing that ratchet (15) produces corresponding pressure to ratchet at work, and promote the ratchet motion.Support wheel (17) is arranged on two sides of ratchet, and keeps the pressure to ratchet under the effect of spring (9).Between ratchet and support wheel, can also be provided with friction lining (7), to increase friction force.Corresponding groove (18) is arranged on the midway location on the Zhou Fangxiang of the garden of described ratchet,, increase frictional area when work so that the platform on the ratchet (16) matches with it.The upper end of described ratchet (15) is supported on the power shell with pin (11), and the lower end is supported in the hole (13) on the support wheel with pin (12).The shape in described hole (13) and effect are with identical shown in Fig. 1,2.
Principle of work of the present utility model is that active force changes 90 ° of directions by the bevel gear seat, makes the utility model make coaxial rotation, and drives the drive wheel rotation.When the power shell begins to rotate, support wheel does not rotate as yet, at this moment, the power shell just can drive ratchet relatively swing about 30～60 ° angle after, make and produce engagement or closed contact between ratchet and the ratchet, and promoting the ratchet rotation, ratchet then can drive the spline semiaxis and together rotate, and together rotates thereby drive drive wheel.Meanwhile, because the existence of friction force, ratchet can drive support wheel and together rotate.
According to above-mentioned principle of work, the power shell can be distributed to power two spline semiaxis respectively simultaneously, thereby the drive wheel that can drag both sides simultaneously rotates, so can not skid because of the drive wheel of a side or dally the opposite side drive wheel is run out of steam.On the contrary, even a side is skidded, opposite side still can lean on propulsive effort to rotate.
When reversing, because the sense of motion of power shell is opposite, make the end of reciprocal ratchet cooperate corresponding ratchet, drive the spline semiaxis and drive the crop rotation counter-rotation.
The utility model when having the prior art characteristics, have more simple in structure, the maintenance, easy to use, the advantage that cost is low has improved service life simultaneously.
Claims (2)
1, a kind of override type anti-skid final drive, the shell that is made of side cover (2) and power shell (6) is arranged in the structure, spline semiaxis (1), support wheel (5) or (17) with described spline semiaxis sliding block joint, be supported in described power shell upper and lower end with described spline semiaxis with tooth bonded assembly ratchet (8) or (14) and upper end and can be supported in ratchet (10) or (15) in the hole on the support wheel (5), it is characterized in that described ratchet is a single piece; The hole (13) of the described ratchet of support wheel upper support (10) or (15) is an elongated hole.
2, diff according to claim 1 is characterized in that the lower end of ratchet (10) is " eight " font when employing has tooth papillae wheel (8); When adopting anodontia ratchet (14), the both sides, lower end of described ratchet (15) are provided with the platform (17) that has with the corresponding garden of ratchet arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94243366 CN2204738Y (en) | 1994-11-03 | 1994-11-03 | Skidproof differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94243366 CN2204738Y (en) | 1994-11-03 | 1994-11-03 | Skidproof differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2204738Y true CN2204738Y (en) | 1995-08-09 |
Family
ID=33849739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94243366 Expired - Fee Related CN2204738Y (en) | 1994-11-03 | 1994-11-03 | Skidproof differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2204738Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161314A (en) * | 2010-02-20 | 2011-08-24 | 高旭奕 | Pawl differential transmission device |
| CN105626814A (en) * | 2014-11-09 | 2016-06-01 | 厦门朗智机电科技有限公司 | All-axle full-time full-drive driver for automobile |
-
1994
- 1994-11-03 CN CN 94243366 patent/CN2204738Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161314A (en) * | 2010-02-20 | 2011-08-24 | 高旭奕 | Pawl differential transmission device |
| CN105626814A (en) * | 2014-11-09 | 2016-06-01 | 厦门朗智机电科技有限公司 | All-axle full-time full-drive driver for automobile |
| CN105626814B (en) * | 2014-11-09 | 2019-06-25 | 厦门朗智机电科技有限公司 | The full-time full drive transmission of automobile holoaxial |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |