CN204213296U - A kind of all-terrain vehicle ransaxle and differential-speed lock mechanism thereof - Google Patents
A kind of all-terrain vehicle ransaxle and differential-speed lock mechanism thereof Download PDFInfo
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- CN204213296U CN204213296U CN201420635010.8U CN201420635010U CN204213296U CN 204213296 U CN204213296 U CN 204213296U CN 201420635010 U CN201420635010 U CN 201420635010U CN 204213296 U CN204213296 U CN 204213296U
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Abstract
This application discloses a kind of differential-speed lock mechanism of all-terrain vehicle ransaxle, comprising: differential casing, the port of differential casing is provided with the first circumferential limited part; Differential lock pulling sleeve, its end is provided with limited part circumferential with first and coordinates spacing second week to limited part, and the inner peripheral surface of differential lock pulling sleeve is provided with the 3rd circumferential limited part; Differential side gear, its axle portion stretches out the port of differential casing and is enclosed within differential lock pulling sleeve inner ring, and the surface in axle portion is provided with and coordinates spacing 4th week of sliding to limited part with the 3rd circumferential limited part.This differential-speed lock mechanism is by the movement of differential lock pulling sleeve in the axle portion of differential side gear, the first circumferential limited part and second week is made to coordinate spacing to limited part and depart from and spacingly realize indifferential and differential switches, thus make ransaxle can meet new terms regulation there is differential function while, the indifferential requirement of all-terrain vehicle can be met again.Disclosed herein as well is a kind of all-terrain vehicle ransaxle comprising this differential-speed lock mechanism.
Description
Technical field
The utility model relates to all-terrain vehicle technical field, particularly a kind of differential-speed lock mechanism of all-terrain vehicle ransaxle.Also relate to a kind of all-terrain vehicle ransaxle comprising this differential-speed lock mechanism.
Background technique
All-terrain vehicle refers to can the upper vehicle travelled of where shape in office, is difficult to motor-driven landform can be walked freely in common vehicle.The English of all-terrain vehicle is All Terrain Vehicle (being applicable to the traffic tool of all landform), and abbreviation is ATV, and also known as " the cross-country locomotive of full landform four-wheel ", vehicle is simple and practical, and cross-country ability is good, and outward appearance is general without paulin.ATV has roomy tire, can increase the area of contact with ground, produces larger frictional force and can reduce the pressure of vehicle to ground, making it easily travel on sandy beach, riverbed, forest-road, streams, and severe desert terrain.Personnel or shipping goods can be carried.
In the prior art, motor by transmission shaft by transmission of power to ransaxle, wheel is driven again by ransaxle, existing all-terrain vehicle back driving axle is based on indifferential structure, now have clause regulation ransaxle to have differential mechanism in the world, but the special traveling road conditions of all-terrain vehicle necessarily require again all-terrain vehicle to have indifferential structure.
In sum, how all-terrain vehicle drive axle device of the prior art is improved, thus make ransaxle can meet new terms regulation there is differential function while, can meet again the indifferential requirement of all-terrain vehicle, be the problem that those skilled in the art need solution badly.
Model utility content
In view of this, the purpose of this utility model is the differential-speed lock mechanism providing a kind of all-terrain vehicle ransaxle, with make ransaxle can meet new terms regulation there is differential function while, the indifferential requirement of all-terrain vehicle can be met again.
Another object of the present utility model is to provide a kind of all-terrain vehicle ransaxle comprising this differential-speed lock mechanism, makes all-terrain vehicle namely have differential function, can meet again the requirement of all-terrain vehicle to indifferential.
For achieving the above object, the utility model provides following technological scheme:
A differential-speed lock mechanism for all-terrain vehicle ransaxle, comprising:
Differential casing, the port of described differential casing is provided with the first circumferential limited part;
Differential lock pulling sleeve, its end is provided with and coordinates spacing second week to limited part with described first circumferential limited part, and the inner peripheral surface of described differential lock pulling sleeve is provided with the 3rd circumferential limited part;
Differential side gear, its axle portion stretches out the port of described differential casing and is enclosed within described differential lock pulling sleeve inner ring, and the surface in described axle portion is provided with and coordinates spacing 4th week of sliding to limited part with described 3rd circumferential limited part.
Preferably, in the differential-speed lock mechanism of above-mentioned all-terrain vehicle ransaxle, described first circumferential limited part is the profile of tooth projection arranged along the circumferencial direction of described differential casing port, described second week to limited part be arrange along the end circumferencial direction of described differential lock pulling sleeve and with the profile of tooth recess of described profile of tooth projection adaptation.
Preferably, in the differential-speed lock mechanism of above-mentioned all-terrain vehicle ransaxle, described profile of tooth projection is rectangular cam, and described profile of tooth recess is rectangular recess.
Preferably, in the differential-speed lock mechanism of above-mentioned all-terrain vehicle ransaxle, described 3rd circumferential limited part is the internal spline of the inner peripheral surface being arranged on described differential lock pulling sleeve; Described 4th week is the external splines on the surface, axle portion being arranged on described differential side gear to limited part.
The utility model additionally provides a kind of all-terrain vehicle ransaxle, comprises differential mechanism and the differential-speed lock mechanism as described in above any one.
Compared with prior art, the beneficial effects of the utility model are:
In the differential-speed lock mechanism of the all-terrain vehicle ransaxle that the utility model provides, at the port of differential casing, the first circumferential limited part is set, differential lock pulling sleeve is enclosed within the axle portion of differential side gear, and the end of differential lock pulling sleeve is provided with the spacing second week coordinated of limited part circumferential with first circumference to limited part, the inner peripheral surface of differential lock pulling sleeve is provided with the 3rd circumferential limited part, the axle portion of differential side gear stretches out the port of differential casing and is enclosed within the inner ring of differential lock pulling sleeve, the surface in the axle portion of differential side gear is provided with the circumferential spacing 4th week be slidably matched of the circumferential limited part with the 3rd to limited part.When needs indifferential function, differential lock pulling sleeve is moved to differential casing in the axle portion of differential side gear, the first circumferential limited part is made to coordinate spacing to limited part with second week, then differential side gear is under the circumferential position-limiting action of four circumferential limited parts, can not rotate, realize indifferential function; And when needs function differential, depart from the first circumferential limited part and second week spacing to the circumference of limited part.Thus make ransaxle can meet new terms regulation there is differential function while, the indifferential requirement of all-terrain vehicle can be met again.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the differential-speed lock mechanism of a kind of all-terrain vehicle ransaxle that Fig. 1 provides for the utility model embodiment.
In FIG, 1 for differential casing, 101 be the first circumferential limited part, 2 for differential lock pulling sleeve, 201 for second week to limited part, 202 be the 3rd circumferential limited part, 3 for differential side gear, 301 for 4th week to limited part.
Embodiment
Core of the present utility model there is provided a kind of differential-speed lock mechanism of all-terrain vehicle ransaxle, can make ransaxle meet new terms regulation there is differential function while, the indifferential requirement of all-terrain vehicle can be met again.
The utility model additionally provides a kind of all-terrain vehicle ransaxle comprising this differential-speed lock mechanism, can meet new terms regulation there is differential function while, having can the indifferential requirement of compound all-terrain vehicle.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, the utility model embodiment provides a kind of differential-speed lock mechanism of all-terrain vehicle ransaxle, hereinafter referred to as differential-speed lock mechanism, comprises differential casing 1, differential lock pulling sleeve 2 and differential side gear 3; Wherein, the port of differential casing 1 is provided with the first circumferential limited part 101, and this port is for installing the axle portion of differential side gear 3; The port of differential casing 1 is stretched out in the axle portion of differential side gear 3, differential lock pulling sleeve 2 is sleeved in the axle portion of differential side gear 3, the axle portion outer surface of differential side gear 3 is provided with 4th week to limited part 301, the inner peripheral surface of differential lock pulling sleeve 2 is provided with 4th week to spacing and the be slidably matched the 3rd circumferential limited part 202 of limited part 301 circumference, by the 3rd circumferential limited part 202 and 4th week to the circumferential position-limiting action of limited part 301, differential lock pulling sleeve 2 is rotated together with differential side gear 3; The end of differential mechanism pulling sleeve 2 is provided with limited part 101 circumferential with first and coordinates spacing second week to limited part 201.
Working principle and the working procedure of above-mentioned differential-speed lock mechanism are: when all-terrain vehicle needs to use indifferential function, differential lock pulling sleeve 2 is moved to differential casing 1 in the axle portion of differential side gear 3, the first circumferential limited part 101 is made to coordinate spacing with second week to limited part 201, now, differential lock pulling sleeve 2 can not rotate, and differential lock pulling sleeve 2 passes through the 4th week of the 3rd circumferential limited part 202 and differential side gear 3 all the time to the circumferential spacing cooperation of limited part 301, differential side gear 3 and differential lock pulling sleeve 2 circumference are positioned together, then differential side gear 3 can not rotate, realize indifferential function, and when needs use differential function, mobile differential lock pulling sleeve 2 in the other direction, makes the first circumferential limited part 101 and second week depart from circumferential spacing to limited part 201.Can find out, the differential-speed lock mechanism in the application make ransaxle can meet new terms regulation there is differential function while, the indifferential requirement of all-terrain vehicle can be met again.
As shown in Figure 1, differential-speed lock mechanism is optimized, in the present embodiment, first circumferential limited part 101 is the profile of tooth projection arranged along the circumferencial direction of differential casing 1 port, second week to limited part 201 be arrange along the end circumferencial direction of differential lock pulling sleeve 2 and with the profile of tooth recess of profile of tooth projection adaptation.During use, profile of tooth projection sticks in profile of tooth recess, can realize circumferential screens.The cooperating structure of profile of tooth projection and profile of tooth recess is simple, and compounding practice is convenient.
As optimization, the profile of tooth projection in the present embodiment is rectangular cam, and profile of tooth recess is rectangular recess.Or profile of tooth projection is the structures such as trapezoidal projection, triangular bump, semicircle projection, then profile of tooth recess and profile of tooth projection suitable.As long as it is spacing with the port circumference of differential casing 1 to realize differential lock pulling sleeve 2, be not limited to the structural type cited by the present embodiment.
In the present embodiment, the 3rd circumferential limited part 202 is for being arranged on the internal spline of the inner peripheral surface of differential lock pulling sleeve 2; 4th week for being arranged on the external splines on the surface, axle portion of differential side gear 3 to limited part 301, realizing differential side gear 3 by the cooperation of internal spline and external splines and fixes with the circumference of differential lock pulling sleeve 2.Adopt the convenient processing of spline fitted structure and coordinate, and enough torsional strenghts can be provided.Certainly, except adopting spline fitted structure, it is fixing that the form that differential side gear 3 and differential lock pulling sleeve 2 can also be coordinated by guide rail and chute realizes circumference, and form is a lot, does not enumerate at this.
The utility model embodiment still provides a kind of all-terrain vehicle ransaxle, comprises differential mechanism and the differential-speed lock mechanism described by above whole embodiment.By being provided with this differential-speed lock mechanism, all-terrain vehicle both can meet the requirement of new terms to differential function, can also meet the performance requirement of all-terrain vehicle to indifferential.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a differential-speed lock mechanism for all-terrain vehicle ransaxle, is characterized in that, comprising:
Differential casing (1), the port of described differential casing (1) is provided with the first circumferential limited part (101);
Differential lock pulling sleeve (2), its end is provided with and coordinates spacing second week to limited part (201) with described first circumferential limited part (101), and the inner peripheral surface of described differential lock pulling sleeve (2) is provided with the 3rd circumferential limited part (202);
Differential side gear (3), its axle portion stretches out the port of described differential casing (1) and is enclosed within described differential lock pulling sleeve (2) inner ring, and the surface in described axle portion is provided with and coordinates spacing 4th week of sliding to limited part (301) with described 3rd circumferential limited part (202).
2. the differential-speed lock mechanism of all-terrain vehicle ransaxle according to claim 1, it is characterized in that, described first circumferential limited part (101) is the profile of tooth projection arranged along the circumferencial direction of described differential casing (1) port, described second week to limited part (201) be arrange along the end circumferencial direction of described differential lock pulling sleeve (2) and with the profile of tooth recess of described profile of tooth projection adaptation.
3. the differential-speed lock mechanism of all-terrain vehicle ransaxle according to claim 2, is characterized in that, described profile of tooth projection is rectangular cam, and described profile of tooth recess is rectangular recess.
4. the differential-speed lock mechanism of all-terrain vehicle ransaxle according to claim 1, is characterized in that, described 3rd circumferential limited part (202) is for being arranged on the internal spline of the inner peripheral surface of described differential lock pulling sleeve (2); Described 4th week to limited part (301) for being arranged on the external splines on the surface, axle portion of described differential side gear (3).
5. an all-terrain vehicle ransaxle, is characterized in that, comprises differential mechanism and the differential-speed lock mechanism as described in any one of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635010.8U CN204213296U (en) | 2014-10-29 | 2014-10-29 | A kind of all-terrain vehicle ransaxle and differential-speed lock mechanism thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635010.8U CN204213296U (en) | 2014-10-29 | 2014-10-29 | A kind of all-terrain vehicle ransaxle and differential-speed lock mechanism thereof |
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| CN204213296U true CN204213296U (en) | 2015-03-18 |
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| CN201420635010.8U Active CN204213296U (en) | 2014-10-29 | 2014-10-29 | A kind of all-terrain vehicle ransaxle and differential-speed lock mechanism thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215192A (en) * | 2017-07-19 | 2017-09-29 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle and its mechanical locking formula differential bridge |
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2014
- 2014-10-29 CN CN201420635010.8U patent/CN204213296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215192A (en) * | 2017-07-19 | 2017-09-29 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle and its mechanical locking formula differential bridge |
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