CN101314394A - Rear axle housing body of beach vehicle - Google Patents
Rear axle housing body of beach vehicle Download PDFInfo
- Publication number
- CN101314394A CN101314394A CNA200710078551XA CN200710078551A CN101314394A CN 101314394 A CN101314394 A CN 101314394A CN A200710078551X A CNA200710078551X A CN A200710078551XA CN 200710078551 A CN200710078551 A CN 200710078551A CN 101314394 A CN101314394 A CN 101314394A
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- China
- Prior art keywords
- rear axle
- housing body
- axle housing
- chain
- via hole
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Abstract
The invention discloses a beach buggy rear axle shell. A rear wheel axle crossing hole (2) passing through the left end face and the right end face of a rear axle shell is arranged on the rear axle shell (1); two ends of the rear wheel axle crossing hole (2) are provided with bearing holes (3); a center line of the bearing holes (3) coincides with that of the rear wheel axle crossing hole (2); the center line of the rear wheel axle crossing hole (2) deviates from an axial lead of the rear axle shell (1) and is parallel to the axial lead of the rear axle shell (1). The shell can guarantee the parallel movement of a rear wheel axle relative to an engine output shaft when the tension degree of chains is regulated, keep a front chain and a rear chain in alignment all the time, avoid the occurrence of chain gear jamming, tension fracture and other phenomena, effectively guarantee the performance of a whole chain transmission mechanism, and greatly prolong the life-span of the chain transmission mechanism.
Description
Technical field
The invention belongs to the all-terrain vehicle technical field, specifically, relate to a kind of rear axle housing body of beach vehicle.
Background technology
At present, the inside and outside concentric structure of the many employings of the rear axle housing body of beach vehicle of chain-driving vehicle.Promptly have the hind axle via hole that connects its left and right sides end face on rear axle housing body, the two ends of hind axle via hole are bearing hole, the three-way coincidence of axial line of the line of centers of this bearing hole and the line of centers and the rear axle housing body of hind axle via hole.In the bearing hole at rear axle housing body two ends bearing is housed, rear axle housing body is bearing on the hind axle by bearing.Also be welded with connecting panel on the outer wall at rear axle housing body two ends, cooresponding chain stay afterbody is provided with two installation base plates, by bolted connection, back axle is fixed on the chain stay between installation base plate and the connecting panel.Because the mounting hole that passes for bolt on the installation base plate is bar shaped, the position of adjustable bolt in the bar shaped mounting hole can make the distance between hind axle and the engine output shaft change like this, thereby realizes the adjusting to the chain tension degree.This rear axle housing body mainly has the following disadvantages:
1, rear axle housing body adopts solid drawn pipe to process, and is installed on the chain stay Heavy Weight of rear axle housing body, intensity out of reach requirement for the cross-country type car by the connecting panel that is welded on its two ends.
2, when the adjusting chain tension is spent, must regulate simultaneously in the bar hole of hold-down bolt on installation base plate at rear axle housing body two ends and move forward or backward, but the stroke of left and right sides hold-down bolt is difficult to be consistent, can not guarantee when promptly regulating that hind axle moves with respect to engine output shaft is parallel, chain misaligns like this, cause the chain latch easily, even chain is broken, influence the performance and the service life of whole chain transmission device.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of can guarantee that hind axle is with respect to the parallel mobile rear axle housing body of beach vehicle of engine output shaft when the adjusting chain tension is spent.
Technical scheme of the present invention is as follows: a kind of rear axle housing body of beach vehicle, on rear axle housing body, have the hind axle via hole that connects its left and right sides end face, the two ends of hind axle via hole are bearing hole, the central lines of the line of centers of this bearing hole and hind axle via hole, its key is: the line of centers of described hind axle via hole departs from the axial line of rear axle housing body, and with the axis parallel of rear axle housing body.
Adopt above technical scheme, rear axle housing body is bearing on the hind axle by bearing.Accordingly, be welded with anchor ear, by this anchor ear rear axle housing body embraced, and locked by binding bolt at the afterbody of beach buggy chain stay.When needs are regulated the degree of tension of chain, only need unclamp binding bolt, cw or conter clockwise are pulled rear axle housing body, and rear axle housing body is rotated with respect to anchor ear together with hind axle.Because the line of centers of hind axle via hole departs from the axial line of rear axle housing body, hind axle is when rotating with the rear-axle casing body like this, distance between hind axle and the engine output shaft changes, promptly be equivalent to hind axle towards or deviate from that the direction of engine output shaft is parallel to be moved, thereby realized the adjusting of chain degree of tightness.Rear axle housing body adopts the aluminium alloy compression casting moulding, has characteristics such as in light weight, that intensity is good, can satisfy the requirement of strength of cross-country type car.
Deviation distance d between the line of centers of above-mentioned hind axle via hole and the axial line of rear axle housing body is 1～14mm.Adjustable range between hind axle and the engine output shaft can adapt to the needs of different automobile types between 1～14mm like this.
Be formed with the adjusting boss at the middle part of above-mentioned rear axle housing body outer wall, be symmetrically distributed with annular groove on the enlarged diameter section of these adjusting boss two side body outer walls.By pulling the adjusting boss, can control rear axle housing body more easily and rotate with respect to the chain stay anchor ear; During by binding bolt locking rear axle housing body, the part shaft of binding bolt is arranged in the annular groove of rear axle housing body outer wall, has prevented that effectively the relative chain stay of rear axle housing body from endwisely slipping at the chain stay anchor ear, make between rear axle housing body and the chain stay be connected more firm.
Beneficial effect: the present invention can guarantee that when the adjusting chain tension is spent hind axle moves with respect to engine output shaft is parallel, chain remains centering before and after making, phenomenon takes place to have avoided the chain latch, break etc., effectively ensure the performance of whole chain transmission device, prolonged the service life of chain drive greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is installation of the present invention and adjustment state figure.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1, have the hind axle via hole 2 that connects its left and right sides end face among the present invention on the rear axle housing body 1, the stepped hole of hind axle via hole 2 for being small at both ends and big in the middle, the bigger part in its aperture, two ends is a bearing hole 3, for bearing is installed.The line of centers of bearing hole 3 overlaps with the line of centers a of hind axle via hole 2, and the line of centers a of hind axle via hole 2 departs from the axial line b of rear axle housing body 1, and parallel with the axial line b of rear axle housing body 1.Deviation distance d between the line of centers a of hind axle via hole 2 and the axial line b of rear axle housing body 1 is 1～14mm.Be formed with adjusting boss 4 at the middle part of described rear axle housing body 1 outer wall, be symmetrically distributed with annular groove 5 on the enlarged diameter section of 4 liang of side body outer walls of this adjusting boss.
As shown in Figure 2, be welded with anchor ear 7, rear axle housing body 1 embraced by this anchor ear 7 at the afterbody of beach buggy chain stay 6, and by binding bolt 8 lockings.When needs are regulated the degree of tension of chain, only need unclamp binding bolt 8, cw or conter clockwise are pulled the adjusting boss 4 on the rear axle housing body 1, and rear axle housing body 1 is rotated with respect to anchor ear 7 together with hind axle.Because the line of centers a of hind axle via hole departs from the axial line b of rear axle housing body, hind axle is when rotating with rear-axle casing body 1 like this, distance between hind axle and the engine output shaft changes, promptly be equivalent to hind axle towards or deviate from that the direction of engine output shaft is parallel to be moved, thereby realized the adjusting of chain degree of tightness.
Claims (3)
1, a kind of rear axle housing body of beach vehicle, on rear axle housing body (1), have the hind axle via hole (2) that connects its left and right sides end face, the two ends of hind axle via hole (2) are bearing hole (3), the central lines of line of centers of this bearing hole (3) and hind axle via hole (2), it is characterized in that: the line of centers of described hind axle via hole (2) departs from the axial line of rear axle housing body (1), and with the axis parallel of rear axle housing body (1).
2, a kind of rear axle housing body of beach vehicle according to claim 1 is characterized in that: the deviation distance d between the axial line of the line of centers of described hind axle via hole (2) and rear axle housing body (1) is 1～14mm.
3, a kind of rear axle housing body of beach vehicle according to claim 1 and 2, it is characterized in that: be formed with at the middle part of described rear axle housing body (1) outer wall and regulate boss (4), be symmetrically distributed with annular groove (5) on the enlarged diameter section of these adjusting boss (4) two side body outer walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710078551XA CN101314394A (en) | 2007-05-31 | 2007-05-31 | Rear axle housing body of beach vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710078551XA CN101314394A (en) | 2007-05-31 | 2007-05-31 | Rear axle housing body of beach vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101314394A true CN101314394A (en) | 2008-12-03 |
Family
ID=40105564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710078551XA Pending CN101314394A (en) | 2007-05-31 | 2007-05-31 | Rear axle housing body of beach vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101314394A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442156A (en) * | 2011-10-28 | 2012-05-09 | 重庆建设摩托车股份有限公司 | Rear transmission combined structure for four-wheel driven ATV (all terrain vehicle) |
| CN107795572A (en) * | 2017-10-10 | 2018-03-13 | 浙江三维大通精锻科技有限公司 | Monaural section fork shaft and its technological process |
-
2007
- 2007-05-31 CN CNA200710078551XA patent/CN101314394A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442156A (en) * | 2011-10-28 | 2012-05-09 | 重庆建设摩托车股份有限公司 | Rear transmission combined structure for four-wheel driven ATV (all terrain vehicle) |
| CN107795572A (en) * | 2017-10-10 | 2018-03-13 | 浙江三维大通精锻科技有限公司 | Monaural section fork shaft and its technological process |
| CN107795572B (en) * | 2017-10-10 | 2024-04-02 | 浙江三维大通精锻股份有限公司 | Single-lug fork shaft and process flow thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081203 |