CN101695950B - Mounting structure of bottom fork and rear axle shell of four-wheel motorcycle - Google Patents
Mounting structure of bottom fork and rear axle shell of four-wheel motorcycle Download PDFInfo
- Publication number
- CN101695950B CN101695950B CN2009101911913A CN200910191191A CN101695950B CN 101695950 B CN101695950 B CN 101695950B CN 2009101911913 A CN2009101911913 A CN 2009101911913A CN 200910191191 A CN200910191191 A CN 200910191191A CN 101695950 B CN101695950 B CN 101695950B
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- China
- Prior art keywords
- chain stay
- rear axle
- anchor ear
- housing body
- axle housing
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- 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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- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The invention relates to a mounting structure of a bottom fork and a rear axle shell of a four-wheel motorcycle. The rear axle shell is arranged in a bottom fork anchor ear; the outer wall at one end of the rear axle shell is provided with a locating boss for locating one end surface of the bottom fork anchor ear, the other end of the rear axle shell is sleeved with a rear disk brake support which is tightly clamped on the other end surface of the bottom fork anchor ear through a clamp spring I, and the other end of the rear disk brake support is sleeved on a rear disk brake locating column arranged on a bottom fork side pipe at the opposite side. A circular groove is arranged in the rear disk brake locating column and is internally provided with a clamp spring II which tightly clamps the other end of the rear disk brake support, and a wavelike elastic gasket is arranged between the clamp spring II and the other end of the rear disk brake support. The bottom fork is located on the rear axle shell through a limiting boss and the clamp springs more easily; meanwhile, the mounting precision of a locking support lug is lowered. The bottom fork anchor ear is machined from a round steel pipe, has little deformation and is beneficial to being mounted together with the rear axle shell.
Description
Technical field
The present invention relates to a kind of four-wheel motor cycle, specifically refer to four-wheel motor cycle chain stay and rear axle housing body mounting structure.
Background technology
Rear axle assembly of four-wheel motor cycle comprises chain stay, rear axle housing body and hind axle etc., and chain stay mainly is made up of two chain stay limits pipe, chain stay central siphon, chain stay anchor ear and other annex again, and the chain stay anchor ear is provided with two pairs of locking journal stirrups.The chain stay central siphon is fixed by the overbolt and the vehicle frame that pass the chain stay central siphon, and rear axle housing body is positioned at the chain stay anchor ear and by the locking journal stirrup barrel bolt on the chain stay anchor ear rear axle housing body is held tightly.
Existing chain stay and rear axle housing body mounting structure have the following disadvantages:
1, chain stay anchor ear material is a steel plate, and steel plate is shaped to the anchor ear structure by make-up machine, often because the steel plate resilience is bigger, causes anchor ear to lose circle after the moulding, and it is difficult that the installation of rear axle housing body and chain stay anchor ear will become;
2, the locking journal stirrup by be welded on the chain stay anchor ear the connection journal stirrup be welded in the jam nut that is connected on the journal stirrup and constitute, connect journal stirrup and need mould molding, jam nut is welded on the connection journal stirrup simultaneously, so processed complex, loaded down with trivial details, the cost height;
3, be subjected to displacement between rear axle housing body and the chain stay anchor ear (chain stay) in order to prevent, between is provided with detent mechanism, and wherein rear axle housing body 5 is provided with draw-in groove 14, sees Fig. 1, and bolt passes when the locking journal stirrup is held rear axle housing body tightly and also passes from draw-in groove.Though this structure has been avoided both end float misalignments, the setting accuracy (welding) of locking journal stirrup is required high, otherwise bolt just can not pass from draw-in groove after passing the locking journal stirrup, perhaps passes very reluctantly, installation is difficult;
4, also be provided with back disc brake support on rear axle assembly of four-wheel motor cycle, back disc brake support one end is enclosed within rear axle housing body one end, and the back disc brake support other end is enclosed within chain stay limit pipe and goes up on the special back disc brake registration mast that is provided with.In order to prevent that back disc brake support from rotating, be arranged with the locating bush that has flat mouthful on the back disc brake registration mast, back disc brake carrying sleeve is on locating bush; For axial play after the disc brake support is installed after preventing, prior art only is provided with jump ring in the rear axle housing body outer end, by jump ring back disc brake support is tightened.But because back disc brake stent size is bigger, even back disc brake support one end chucking, end float misalignment also may take place in the back disc brake support other end (back disc brake registration mast place end), and it is unreliable to cause locating.
In addition, in the prior art, chain stay on rear axle housing body the location and the location of back disc brake support be independently, need location respectively, this makes the assembling of product seem loaded down with trivial details, influences efficient.
Summary of the invention
At the prior art above shortcomings, the object of the present invention is to provide a kind of simple in structure, chain stay and rear axle housing body location to be easy to four-wheel motor cycle chain stay and rear axle housing body mounting structure.
The present invention has also solved the chain stay anchor ear simultaneously and has lost circle and locking journal stirrup processed complex, loaded down with trivial details, problem that cost is high.
The object of the present invention is achieved like this: four-wheel motor cycle chain stay and rear axle housing body mounting structure, it comprises chain stay and rear axle housing body, chain stay comprises chain stay anchor ear and chain stay limit pipe, the chain stay anchor ear is provided with double-type locking journal stirrup, and rear axle housing body is positioned at the chain stay anchor ear and by the chain stay anchor ear rear axle housing body is held tightly; Be arranged with back disc brake support and back disc brake support be clamped on chain stay anchor ear one end face at rear axle housing body one end by jump ring I, the back disc brake support other end is enclosed within chain stay limit pipe and goes up on the back disc brake registration mast that is provided with, it is characterized in that: the outer wall of the described rear axle housing body other end is provided with the positioning boss that chain stay anchor ear other end is located, on the disc brake registration mast of back, be provided with circular groove, be provided with jump ring II in the circular groove back disc brake support other end is tightened, between the jump ring II and the back disc brake support other end, be provided with waveform bullet pad.Chain stay is by positioning boss and jump ring location, and it is easier to locate, and has also reduced the setting accuracy of locking journal stirrup simultaneously.
Further, described chain stay anchor ear is a round steel pipe, is processed with vertically to regulate on round steel pipe to hold the logical breach of drawing of degree tightly.The distortion of chain stay anchor ear after the improvement is little, is beneficial to the installation with rear axle housing body, and round steel pipe processing simultaneously is easier.
Described each to locking journal stirrup constitute by two relative cylinders, two cylinders are separately fixed on the round steel pipe and are positioned at the breach both sides, one of them cylinder is processed with negative thread, and lock bolt passes a cylinder and is threaded with another cylinder rear axle housing body is held tightly.It is simpler that ear structure is propped up in improved locking, do not need mould molding, handling ease.
Compared to existing technology, the present invention has following advantage:
1, the location of chain stay on rear axle housing body is easier, rear axle housing body passes from the chain stay anchor ear during installation, positioning boss on the rear axle housing body props up chain stay anchor ear one end, chain stay anchor ear other end is got final product by the chucking of the jump ring on the rear axle housing body, this jump ring is realized the chucking to back disc brake support simultaneously, has avoided the deficiency that the location of the location of chain stay and back disc brake support is carried out respectively;
2, the chain stay anchor ear adopts round steel pipe to process, and not only is out of shape for a short time, is beneficial to the installation with rear axle housing body, and round steel pipe processing simultaneously is easier;
3, the locking journal stirrup becomes a metallic cylinder by original connection journal stirrup and two parts of jam nut, structure is simpler, and does not need mould molding, and it is also easy to process, owing to there is not positioning requirements (not needing by the draw-in groove on the rear axle housing body), setting accuracy requires to reduce;
4, back disc brake support except on rear axle housing body by the jump ring location, when being connected, also be located by jump ring with back disc brake registration mast, locate more reliable.
Description of drawings
Fig. 1 is a prior art rear axle housing body structural representation;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is a chain stay structural representation of the present invention;
Fig. 4 is Fig. 3 left view;
Fig. 5 is Fig. 4 partial enlarged drawing.
Among the figure, 1-chain stay limit pipe; 2-chain stay transverse tube; 3-chain stay anchor ear; 4-locks journal stirrup; The 5-rear axle housing body; The 6-cylinder; The 7-positioning boss; Disc brake support behind the 8-; 9-jump ring I; Disc brake registration mast behind the 10-; The 11-circular groove; 12-jump ring II; 13-waveform bullet pad; The 14-draw-in groove; The 15-negative thread.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Referring to Fig. 2, four-wheel motor cycle chain stay of the present invention and rear axle housing body mounting structure, it comprises chain stay and rear axle housing body 5, chain stay mainly is made up of two parallel chain stay limits pipe 1, the chain stay central siphon 2 and the chain stay anchor ear 3 that are welded on pipe two ends, two chain stay limits.Rear axle housing body is positioned at the chain stay anchor ear and by the chain stay anchor ear it is held tightly.See Fig. 3, Fig. 4 and Fig. 5, chain stay anchor ear 3 changes round steel pipe by original steel plate into by the make-up machine moulding and processes, and is processed with vertically to regulate on round steel pipe to hold the logical breach of drawing of degree tightly.Chain stay anchor ear 3 is provided with two pairs of locking journal stirrups 4, and rear axle housing body 5 is positioned at chain stay anchor ear 3 and locks bolt rear axle housing body 5 is held tightly by locking journal stirrup 4.See Fig. 5, each is made of two relative cylinders 6 the locking journal stirrup, two cylinders are separately fixed on the round steel pipe and are positioned at the breach both sides, and one of them cylinder is processed with negative thread 15, and lock bolt passes a cylinder and is threaded with another cylinder rear axle housing body is held tightly.
Hold rear axle housing body tightly back end float misalignment takes place in order to prevent the chain stay anchor ear, the present invention is provided with the positioning boss 7 that chain stay anchor ear one end face is located on rear axle housing body 5 one end outer walls, see Fig. 2, be arranged with back disc brake support 8 (ends) and make back disc brake support be close to chain stay anchor ear other end at rear axle housing body 5 other ends by jump ring I 9, thus the restriction of chain stay anchor ear two ends is dead.For preventing that back disc brake support from rotating, back disc brake support 8 other ends are enclosed within respective side chain stay limit pipe and go up on the special back disc brake registration mast 10 that is provided with.On back disc brake registration mast 10, be provided with circular groove 11, be provided with jump ring II12 in the circular groove 11, between jump ring II12 and back disc brake support 8, be provided with waveform bullet pad 13, cooperated on the location end face that will back disc brake support 8 other ends be clamped on the back disc brake registration mast 10 by jump ring II12 and waveform bullet pad 13, this moment, back disc brake support can not be along back disc brake registration mast play.
Claims (2)
1. four-wheel motor cycle chain stay and rear axle housing body mounting structure, it comprises chain stay and rear axle housing body (5), chain stay comprises chain stay anchor ear (3) and chain stay limit pipe (1), chain stay anchor ear (3) is provided with double-type locking journal stirrup (4), and rear axle housing body (5) is positioned at chain stay anchor ear (3) and by the chain stay anchor ear rear axle housing body is held tightly; Being arranged with back disc brake support (8) at rear axle housing body (5) one ends also is clamped in back disc brake support (8) on chain stay anchor ear one end face by jump ring I (9), back disc brake support (8) other end is enclosed within chain stay limit pipe and goes up on the back disc brake registration mast (10) that is provided with, it is characterized in that: the outer wall of described rear axle housing body (5) other end is provided with the positioning boss (7) that chain stay anchor ear other end is located, on back disc brake registration mast (10), be provided with circular groove (11), be provided with jump ring II (12) in the circular groove (11) the back disc brake support other end is tightened, between the jump ring II (12) and back disc brake support (8) other end, be provided with waveform bullet pad (13);
Described chain stay anchor ear (3) is a round steel pipe, is processed with vertically to regulate on round steel pipe to hold the logical breach of drawing of degree tightly.
2. four-wheel motor cycle chain stay according to claim 1 and rear axle housing body mounting structure, it is characterized in that: described each to locking journal stirrup constitute by two relative cylinders, two cylinders are separately fixed on the round steel pipe and are positioned at the breach both sides, one of them cylinder is processed with negative thread, and lock bolt passes a cylinder and is threaded with another cylinder rear axle housing body is held tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101911913A CN101695950B (en) | 2009-10-22 | 2009-10-22 | Mounting structure of bottom fork and rear axle shell of four-wheel motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101911913A CN101695950B (en) | 2009-10-22 | 2009-10-22 | Mounting structure of bottom fork and rear axle shell of four-wheel motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101695950A CN101695950A (en) | 2010-04-21 |
| CN101695950B true CN101695950B (en) | 2011-11-16 |
Family
ID=42141090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101911913A Expired - Fee Related CN101695950B (en) | 2009-10-22 | 2009-10-22 | Mounting structure of bottom fork and rear axle shell of four-wheel motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101695950B (en) |
-
2009
- 2009-10-22 CN CN2009101911913A patent/CN101695950B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101695950A (en) | 2010-04-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20201022 |