CN201580523U - Differential rear axle - Google Patents
Differential rear axle Download PDFInfo
- Publication number
- CN201580523U CN201580523U CN2009202727674U CN200920272767U CN201580523U CN 201580523 U CN201580523 U CN 201580523U CN 2009202727674 U CN2009202727674 U CN 2009202727674U CN 200920272767 U CN200920272767 U CN 200920272767U CN 201580523 U CN201580523 U CN 201580523U
- Authority
- CN
- China
- Prior art keywords
- semiaxis
- axle
- terminal pad
- rear axle
- combination
- 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
The embodiment of the utility model discloses a differential rear axle, comprising a first half shaft, a second half shaft, a first shaft sleeve combination, a second shaft sleeve combination, a rear axle shell, a first bearing, a second bearing, a first hub connecting disc, a second hub connecting disc, an axial sliding-block cam-type differential mechanism and a brake disc, wherein the first shaft sleeve combination and the second shaft sleeve combination are sheathed on the first half shaft and the second half shaft respectively by the first bearing and the second bearing; one ends of the first half shaft and the second half shaft are respectively and fixedly connected with the first hub connecting disc and the second hub connecting disc; the other ends of the first half shaft and the second half shaft are respectively connected with two ends of the axial sliding-block cam-type differential mechanism in the rear axle shell by a half shell of the rear axle shell; the rear axle shell is connected with the first shaft sleeve combination and the second shaft sleeve combination by bolts; and the brake disc is arranged on the first hub connecting disc and the second hub connecting disc. The differential rear axle solves the problem that the existing chain-transmitted rear axle has no differential speed and realizes self-locking of the differential speed of the rear axle.
Description
Technical field
The utility model relates to motor bike, beach buggy and automobile technical field, more particularly, relates to a kind of differential speed type back axle.
Background technology
Existing chain-driving back axle does not have diff, and shaft drive back axle band differential function can not be realized the differential self-locking, when vehicle through S type bend the time, skidding can appear in trailing wheel, when one of them wheel of trailing wheel is absorbed in, trailing wheel a wheel can occur and be sticked, and the phenomenon of another wheel idle running, vehicle is difficult to break away from from getting deeply stuck in; And existing chain drive vehicles back axle adopts is single brake facing, because the mono-brake facing can only be installed on one of them wheel hub of back axle, has the unbalanced problem of braking force in braking procedure.
The utility model content
In view of this, the utility model provides a kind of differential speed type back axle, to solve existing chain-driving back axle indifferential problem.
For achieving the above object, the utility model provides following technical scheme:
A kind of differential speed type back axle, comprise: first semiaxis, second semiaxis, the combination of first axle sleeve, the second axle sleeve combination, axle casing, clutch shaft bearing, second bearing, first wheel terminal pad, the second wheel hub terminal pad, axial slider cam-type diff and brake facing, wherein:
The combination of described first axle sleeve and second axle sleeve make up respectively by clutch shaft bearing and second bearing carrier ring on described first semiaxis and second semiaxis;
One end of described first semiaxis and second semiaxis is captiveed joint with the second wheel hub terminal pad with described first wheel terminal pad respectively, and the other end of described first semiaxis and second semiaxis is connected with described axial slider cam-type diff two ends in being arranged on described axle casing by half shell of described axle casing respectively;
Pass through bolted connection between described axle casing and the combination of described first axle sleeve and the combination of second axle sleeve;
Described brake facing is installed on the described first wheel terminal pad and the second wheel hub terminal pad.
Preferably, in the above-mentioned differential speed type back axle, the axle head of described first semiaxis and second semiaxis and described first wheel terminal pad and the second wheel hub terminal pad achieve a fixed connection by screw thread and nuts and washers, institute's book nut by finger setting on described first semiaxis and second semiaxis.
From above-mentioned technical scheme as can be seen, the differential speed type back axle that the utility model embodiment provides has been realized the differential function of bridge vehicle behind the chain-driving by axial slider cam-type diff is set in chain-driving formula back axle, because slider cam formula diff utilizes bigger friction moment between himself slide block and the cam to make the diff of a kind of high friction self-locking formula of diff internal mechanism locking, so when realizing differential function, realize the self-locking of diff; The differential speed type back axle that above-mentioned utility model provides is provided with brake facing on two wheel hub terminal pads of back axle, can play the balance of braking during brake.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the differential vehicle rear axle that Fig. 1 provides for the utility model embodiment.
The specific embodiment
For quote and know for the purpose of, the parts with drawing reference numeral representative in the accompanying drawing are explained as follows below:
1, back axle left half axle, 2, bung flange, 3, packing ring, 4, spring cotter, 5, wheel hub terminal pad, 6, lining, 7, the hole back-up ring, 8, coro bearng, 9, left axle sleeve combination, 10, back axle left side shell, 11, axial slider cam-type diff, 12, back axle right casing, 13, rear axle housing combination, 14 bolts, 15, brake facing.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of differential speed type back axle, with realization chain-driving formula vehicle is realized differential function, and realizes the differential auto-lock function.
A kind of differential speed type back axle, as shown in Figure 1, one end of back axle left half axle 1 is by the cooperation that is connected with a end of axial slider cam-type diff 11 in being arranged on axle casing of back axle left side shell 10, left axle sleeve combination 9 is enclosed within on the back axle left half axle 1, be provided with antifriction-bearing box 8 between left axle sleeve combination 9 and the back axle left half axle 1 and solved the problem of existing chain-driving back axle indifferential with back-up ring 7, and realize the self-locking of back axle differential with the hole.Between be provided with lining 6, lining 6 is enclosed within on the back axle left half axle 1, the end that back axle left half axle 1 matches with wheel hub terminal pad 5 is provided with screw thread, the wheel hub terminal pad is fixed on the back axle left half axle 1 by nut 2, packing ring 3 and spring cotter 4, brake facing 15 is installed on the wheel hub terminal pad 5, the braking of brake facing 15 may command wheel hub terminal pads 5.
Axle casing is divided into back axle left side shell 10 and back axle right casing 12, and back axle left half axle 1 is connected with the two ends of back axle right casing 12 with axial slider cam-type diff 11 by back axle left side shell 10 respectively with the back axle right axle shaft.
Back axle left side shell 10 and back axle right casing 12 are connected by bolt 14 and described left axle sleeve combination 9 and right axle sleeve, are provided with bearing between axial slider cam-type diff 11 and back axle left side shell 10 and the back axle right casing 12.
For the right axle shaft of differential speed type back axle, the annexation of the annexation of right axle sleeve combination 13 and wheel hub terminal pad and the left half axle of differential speed type back axle is identical, does not repeat them here.
Be respectively equipped with brake facing 15 on the first wheel terminal pad in the foregoing description and the second wheel hub terminal pad, because back axle symmetrical structure, can play the balance of braking during brake, having overcome existing disc brake sheet is the mono-disc brake sheet, has the unbalanced problem of braking force in the braking procedure.
When motor-driven vehicle going, the power of two drive wheels is to pass to retarder by driving engine by transmission shaft, pass to differential casing by the flower wheel in the retarder then, in differential casing, pass to all slide blocks by the axially directed chute in it at the transfer function of its circumferencial direction again, at last act on the cam curved surface of two spider gear opposing end surfaces respectively and then drive two spider gears, drive two drive wheels by two spider gears again and move ahead with the driving machine motor-car by mirror image, shape two symmetrical groups slide block each other.When the self-propelled vehicle straight-line travelling, only drive two spider gears and revolve round the sun synchronously by slide block; When self-propelled vehicle is turned, because the stressing conditions of two drive wheels of self-propelled vehicle changes, feedback is on two spider gears, just destroyed the original balance of diff, under the counteraction of two spider gear out-of-balance forces, cam curved surface promotion slide block by spider gear is made axial alternate reciprocating motion in the slide block slot of differential gear box inwall, the slide block of this alternate reciprocating motion drives two reverse separately rotations of spider gear again conversely, after the rotation of two spider gears and the revolution of differential casing are synthetic, just make the inboard wheel rotating speed slow down, the outboard wheels faster rotational speed has realized the differential problem of existing chain drive vehicles.
In addition, slider cam formula diff in the differential speed type back axle in the utility model utilizes bigger friction moment between himself slide block and the cam to make the diff of a kind of high friction self-locking formula of diff internal mechanism locking, so when realizing differential function, realize the self-locking of diff.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (2)
1. differential speed type back axle, it is characterized in that, comprise: first semiaxis, second semiaxis, the combination of first axle sleeve, the second axle sleeve combination, axle casing, clutch shaft bearing, second bearing, first wheel terminal pad, the second wheel hub terminal pad, axial slider cam-type diff and brake facing, wherein:
The combination of described first axle sleeve and second axle sleeve make up respectively by clutch shaft bearing and second bearing carrier ring on described first semiaxis and second semiaxis;
One end of described first semiaxis and second semiaxis is captiveed joint with the second wheel hub terminal pad with described first wheel terminal pad respectively, and the other end of described first semiaxis and second semiaxis is connected with described axial slider cam-type diff two ends in being arranged on described axle casing by half shell of described axle casing respectively;
Pass through bolted connection between described axle casing and the combination of described first axle sleeve and the combination of second axle sleeve;
Described brake facing is installed on the described first wheel terminal pad and the second wheel hub terminal pad.
2. differential speed type back axle according to claim 1, it is characterized in that, the axle head of described first semiaxis and second semiaxis and described first wheel terminal pad and the second wheel hub terminal pad achieve a fixed connection by screw thread and nuts and washers, described nut by finger setting on described first semiaxis and second semiaxis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202727674U CN201580523U (en) | 2009-12-29 | 2009-12-29 | Differential rear axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202727674U CN201580523U (en) | 2009-12-29 | 2009-12-29 | Differential rear axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201580523U true CN201580523U (en) | 2010-09-15 |
Family
ID=42722517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202727674U Expired - Fee Related CN201580523U (en) | 2009-12-29 | 2009-12-29 | Differential rear axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201580523U (en) |
-
2009
- 2009-12-29 CN CN2009202727674U patent/CN201580523U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131229 |