CN201553264U - Rear axle assembly of four-wheel motor cycle - Google Patents
Rear axle assembly of four-wheel motor cycle Download PDFInfo
- Publication number
- CN201553264U CN201553264U CN2009202067693U CN200920206769U CN201553264U CN 201553264 U CN201553264 U CN 201553264U CN 2009202067693 U CN2009202067693 U CN 2009202067693U CN 200920206769 U CN200920206769 U CN 200920206769U CN 201553264 U CN201553264 U CN 201553264U
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- CN
- China
- Prior art keywords
- rear axle
- disc brake
- chain stay
- back disc
- housing body
- 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 - Lifetime
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- 239000000428 dust Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 abstract 1
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- 238000000465 moulding Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model relates to a rear axle assembly of a four-wheel motor cycle. A rear axle casing is positioned in and clasped by a bottom fork anchor ear; a rear axle penetrates the rear axle casing, and a rear disc-brake seat and a chain wheel seat are sleeved on the rear axle, positioned at the two ends of the rear axle casing, and respectively compressed on a bearing at the two ends of the rear axle casing; an adjusting screw nut for adjusting the compression of the rear disc-brake seat on the bearing is arranged on the rear axle; an elastic gasket is arranged between the rear disc-brake seat and the adjusting screw nut; and a radial set screw is screwed on the adjusting screw nut and is inserted into a ring channel formed on the rear axle. In the utility model, the adjusting screw nut realizes axial locking together with the elastic gasket and the set screw, therefore, the structure has more reliable positioning as compared with the original opposite vertex nut locking and positioning mode.
Description
Technical field
The utility model relates to a kind of four-wheel motor cycle, specifically refers to rear axle assembly of four-wheel motor cycle.
Background technology
Rear axle assembly of four-wheel motor cycle comprises chain stay, rear axle housing body, hind axle, back disc brake seat, back disc brake support, chain pulley seat etc., chain stay comprises two chain stay limits pipe 1, chain stay central siphon 2 and chain stay anchor ear 3, chain stay anchor ear 3 is provided with two pairs of locking journal stirrups 4, sees Fig. 2 and Fig. 3.Rear axle housing body comprises body 21, bearing 22, oil sealing 23 and spacer 24 (the rear axle housing body structure is seen Fig. 1), and rear axle housing body is positioned at the chain stay anchor ear to be held tightly it by the chain stay anchor ear, and hind axle passes from rear axle housing body.Back disc brake seat and chain pulley seat are sheathed on the hind axle, and back disc brake seat and chain pulley seat are pressed on respectively on the bearing at rear axle housing body two ends.Wherein chain pulley seat is realized axial location by step on the hind axle or square back-up ring, and back axle is used jacking nut is locked.
Existing rear axle assembly of four-wheel motor cycle has the following disadvantages:
1, chain pulley seat is located:, the consumptive material of hind axle is increased if take the step shaft alignment; Simultaneously, utilize square back-up ring location, though structure is simple relatively, cost is low, causes stress concentration easily, and then the reliability of influence location;
2, back axle axial locking: adopt usually jacking nut locking, in the operational process of vehicle, the nut of outside is loosening easily, thereby makes locking insecure;
3, see Fig. 2 and Fig. 3, chain stay central siphon two ends are provided with needle bearing 29 and rubber boot 20, and when the chain stay central siphon connected to ground by adapter shaft, rubber boot directly contacted with vehicle frame, and are damaged easily; Simultaneously, be provided with flat cross lining tube between bearing and adapter shaft, the bushing pipe that cooperates with needle bearing having relatively high expectations aspect hardness and the roughness, thereby increases cost;
4, the chain stay anchor ear is that steel plate passes through the make-up machine moulding, because the steel plate resilience is bigger, causes anchor ear to lose circle, and it is difficult that the installation of rear axle housing body and chain stay anchor ear will become;
5, the locking journal stirrup on the chain stay anchor ear 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 in and connects on the journal stirrup simultaneously, so processed complex, loaded down with trivial details, the cost height;
6, 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 is provided with draw-in groove 30, 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 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, installs difficult;
7, disc brake support one end in back 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.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), causes drg eccentric wear and abnormal sound.
The utility model content
At the prior art above shortcomings, the purpose of this utility model is to provide that a kind of location is reliable, simple, the lower-cost rear axle assembly of four-wheel motor cycle of assembling.
The utility model has also solved the problem that the chain stay anchor ear loses circle, the flat cross lining tube manufacturing cost is higher and lock journal stirrup welding precision height, drg eccentric wear abnormal sound simultaneously.
The purpose of this utility model is achieved in that a kind of rear axle assembly of four-wheel motor cycle, it comprises chain stay, rear axle housing body, hind axle, back disc brake seat, back disc brake support and chain pulley seat, chain stay comprises two chain stay limits pipe, chain stay central siphon peace fork anchor ear, and rear axle housing body is positioned at the chain stay anchor ear and by the chain stay anchor ear it is held tightly.Hind axle passes from rear axle housing body, and back disc brake seat and chain pulley seat are sheathed on the hind axle and are positioned at the rear axle housing body two ends, and back disc brake seat and chain pulley seat are pressed on respectively on the bearing at rear axle housing body two ends.Hind axle is provided with to be regulated the back disc brake seat bearing is compressed the setting nut of degree, is provided with elastomeric pad between back disc brake seat and setting nut, is connected with holding screw radially on setting nut, and holding screw inserts in the circular groove that is provided with on the hind axle.This programme setting nut is locked jointly by elastomeric pad and holding screw, locks more reliable.
Described rear axle housing body one end outer wall is provided with the positioning boss that chain stay anchor ear one end face is located, back disc brake carrying sleeve makes back disc brake support be close to chain stay anchor ear other end at the rear axle housing body other end and 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, 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 jump ring II and back disc brake support, be provided with waveform bullet pad.Chain stay is by positioning boss and jump ring location, and it is easier to locate.Because the location does not relate to the locking journal stirrup, also reduced the welding precision of locking journal stirrup simultaneously.
Described chain pulley seat is positioned on the hind axle by shaft block ring, and the shaft block ring cross-sectional plane is circular, and the draw-in groove that embeds shaft block ring on the hind axle is cooresponding deep-slotted chip breaker with it.Shaft block ring by square change circle into after, helpful to the installation of the processing of draw-in groove and shaft block ring self.
Described chain stay central siphon two ends are provided with lining, and lining is provided with rubber boot by the cover of dust capping between cover of dust and bottom fork axis pipe.Behind the original bearing of lining replacement,, reduced cost because flat cross lining tube hardness greater than lining (the being copper material) hardness after replacing, therefore need not improve the intensity of flat cross lining tube; Simultaneously, rubber boot no longer directly contacts with vehicle frame, changes the metal cover of dust into and contacts with vehicle frame, has avoided the wearing and tearing of rubber boot.
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.
On the chain stay anchor ear, be provided with double-type locking journal stirrup, each is made of two relative cylinders the locking journal stirrup, 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, and welding precision is less demanding.
Compared to existing technology, the utlity model has following advantage:
1, setting nut is realized axial locking jointly by elastomeric pad and holding screw, compares originally in jacking nut locking positioning mode, and this structural orientation is more reliable;
2, utilize the circular shaft block ring in the utility model to realize axial location, not only saved material, and the reliability of location is higher;
3, after the bearing at chain stay central siphon two ends replaces with lining, because flat cross lining tube hardness greater than copper lining hardness, therefore need not improve the intensity of flat cross lining tube, cost-cutting; Simultaneously, rubber boot no longer directly contacts with vehicle frame, changes the metal cover of dust into and contacts with vehicle frame, so rubber boot is not easy to wear;
4, the location of chain stay on rear axle housing body is easier, and rear axle housing body passes from the chain stay anchor ear during installation, and the positioning boss on the rear axle housing body props up chain stay anchor ear one end, and 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 simultaneously;
5, 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;
6, the locking journal stirrup becomes a metallic cylinder by original connection journal stirrup and two parts of jam nut, and structure is simpler, and does not need mould molding, and it is also easy to process, owing to there is not positioning requirements, setting accuracy requires to reduce;
7, 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, prevented drg eccentric wear and abnormal sound.
Description of drawings
Fig. 1 is a prior art rear axle housing body structural representation;
Fig. 2 is a prior art chain stay structural representation;
Fig. 3 is Fig. 2 partial enlarged drawing;
Fig. 4 is the utility model structural representation;
Fig. 5 is the utility model chain stay structural representation;
Fig. 6 is Fig. 5 left view;
Fig. 7 is Fig. 6 partial enlarged drawing.
Among the figure, 1-chain stay limit pipe; 2-chain stay central siphon; 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-negative thread; The 15-hind axle; Disc brake seat behind the 16-; The 17-chain pulley seat; The 18-lining; The 19-cover of dust; The 20-rubber boot; The 21-body; The 22-bearing; The 23-oil sealing; The 24-spacer; The 25-shaft block ring; The 26-setting nut; The 27-elastomeric pad; The 28-holding screw; The 29-needle bearing; The 30-draw-in groove.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Referring to Fig. 4, the utility model rear axle assembly of four-wheel motor cycle, it comprises chain stay, rear axle housing body 5, hind axle 15, back disc brake seat 16, back disc brake support 8 and chain pulley seat 17.Chain stay comprises two chain stay limits pipe 1, is welded on the chain stay central siphon 2 and chain stay anchor ear 3 (see figure 5)s at pipe two ends, two chain stay limits.Rear axle housing body 5 is positioned at chain stay anchor ear 3 and by the chain stay anchor ear it is held tightly.See Fig. 5, Fig. 6 and Fig. 7, 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, see Fig. 7, 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, 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 utility model 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. 4, 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, thereby chain stay anchor ear two ends are limited by jump ring I9.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 II 12 in the circular groove 11, between jump ring II 12 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 II 12 and waveform bullet pad 13, this moment, back disc brake support can not be along back disc brake registration mast play.
See Fig. 4, described chain stay central siphon 2 two ends are provided with copper lining 18, and lining 18 is provided with rubber boot 20 by cover of dust 19 cappings between cover of dust 19 and bottom fork axis pipe 2.Behind the original bearing of lining replacement, because flat cross lining tube hardness greater than copper lining hardness, therefore need not improve the intensity of flat cross lining tube, cost-cutting; Simultaneously, rubber boot no longer directly contacts with vehicle frame, changes the metal cover of dust into and contacts with vehicle frame, and rubber boot is not easy to wear.
Rear axle housing body 5 mainly is made up of body 21, bearing 22, oil sealing 23 and spacer 24, passes the spacer 24 of hind axle 15 in rear axle housing body.Continuation is referring to Fig. 4, and back disc brake seat 16 and chain pulley seat 17 are sheathed on the hind axle 15 and are positioned at rear axle housing body 5 two ends, and back disc brake seat 16 and chain pulley seat 17 inboards are pressed on respectively on the bearing 22 at rear axle housing body two ends.Chain pulley seat 17 is positioned on the hind axle 15 by shaft block ring 25, and shaft block ring 25 cross-sectional planes are circular, and the draw-in groove that embeds shaft block ring on the hind axle is cooresponding deep-slotted chip breaker with it.
When shaft block ring with chain pulley seat on the hind axle location after, be that chain pulley seat can not move to the diagram top, by disc brake seat after being threadedly connected to setting nut 26 on the hind axle and regulating opposite side bearing is compressed degree again, this compresses degree and has also determined the compress degree of chain pulley seat to shaft block ring simultaneously.Setting nut needs locking after regulating and putting in place, the utility model is provided with elastomeric pad 27 (dish-shaped) between back disc brake seat 16 and setting nut 26, be connected with simultaneously the holding screw 28 of two radial symmetry on setting nut 26, holding screw 28 inserts in the circular groove that is provided with on the hind axle loosening to prevent setting nut.Setting nut 26 is locked jointly by elastomeric pad 27 and holding screw 28, locks more reliable.
Claims (7)
1. rear axle assembly of four-wheel motor cycle, it comprises chain stay, rear axle housing body (5), hind axle (15), back disc brake seat (16), back disc brake support (8) and chain pulley seat (17), chain stay comprises two chain stay limits pipes (1), chain stay central siphon (2) and chain stay anchor ear (3), rear axle housing body (5) is positioned at chain stay anchor ear (3) and by the chain stay anchor ear it is held tightly, hind axle (15) passes from rear axle housing body (5), back disc brake seat (16) and chain pulley seat (17) are sheathed on the hind axle (15) and are positioned at rear axle housing body (5) two ends, back disc brake seat (16) and chain pulley seat (17) are inboard to be pressed on respectively on the bearing (22) at rear axle housing body two ends, hind axle (15) is provided with regulates the back disc brake seat compresses degree to bearing setting nut (26), it is characterized in that: between back disc brake seat (16) and setting nut (26), be provided with elastomeric pad (27), be connected with holding screw (28) radially on setting nut (26), holding screw (28) inserts in the circular groove that is provided with on the hind axle.
2. rear axle assembly of four-wheel motor cycle according to claim 1, it is characterized in that: described chain pulley seat (17) is positioned on the hind axle (15) by shaft block ring (25), shaft block ring (25) cross-sectional plane is circular, and the draw-in groove that embeds shaft block ring on the hind axle (15) is cooresponding deep-slotted chip breaker with it.
3. rear axle assembly of four-wheel motor cycle according to claim 1 and 2, it is characterized in that: described rear axle housing body (5) one end outer walls are provided with the positioning boss (7) that chain stay anchor ear one end face is located, back disc brake support (8) is enclosed within the rear axle housing body other end and makes back disc brake support be close to chain stay anchor ear other end 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, 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) back disc brake support (8) other end is tightened, between jump ring II (12) and back disc brake support (8), be provided with waveform bullet pad (13).
4. rear axle assembly of four-wheel motor cycle according to claim 3, it is characterized in that: described chain stay central siphon (2) two ends are provided with lining (18), lining (18) is provided with rubber boot (20) by cover of dust (19) capping between cover of dust (19) and bottom fork axis pipe (2).
5. rear axle assembly of four-wheel motor cycle according to claim 1 and 2, it is characterized in that: described chain stay central siphon (2) two ends are provided with lining (18), lining (18) is provided with rubber boot (20) by cover of dust (19) capping between cover of dust (19) and bottom fork axis pipe (2).
6. according to claim 1,2 or 4 described rear axle assembly of four-wheel motor cycle, it is characterized in that: 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.
7. rear axle assembly of four-wheel motor cycle according to claim 6, it is characterized in that: on chain stay anchor ear (3), be provided with double-type locking journal stirrup (4), each is made of two relative cylinders the locking journal stirrup, 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 |
|---|---|---|---|
| CN2009202067693U CN201553264U (en) | 2009-10-22 | 2009-10-22 | Rear axle assembly of four-wheel motor cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202067693U CN201553264U (en) | 2009-10-22 | 2009-10-22 | Rear axle assembly of four-wheel motor cycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201553264U true CN201553264U (en) | 2010-08-18 |
Family
ID=42612938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202067693U Expired - Lifetime CN201553264U (en) | 2009-10-22 | 2009-10-22 | Rear axle assembly of four-wheel motor cycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201553264U (en) |
-
2009
- 2009-10-22 CN CN2009202067693U patent/CN201553264U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LONCIN GENERAL DYNAMICS CO., LTD. Free format text: FORMER NAME: LONCIN INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 99 No. 400052 Chongqing Jiulongpo Hualong Avenue Kowloon Park Patentee after: Loncin General Dynamics Co., Ltd. Address before: 400060 LONCIN Industrial Park, Baihe Industrial Zone, Chongqing economic and Technological Development Zone Patentee before: Loncin Industry Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100818 Effective date of abandoning: 20091022 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100818 Effective date of abandoning: 20091022 |