CN201313603Y - Motorcycle frame structure - Google Patents
Motorcycle frame structure Download PDFInfo
- Publication number
- CN201313603Y CN201313603Y CNU2008200991324U CN200820099132U CN201313603Y CN 201313603 Y CN201313603 Y CN 201313603Y CN U2008200991324 U CNU2008200991324 U CN U2008200991324U CN 200820099132 U CN200820099132 U CN 200820099132U CN 201313603 Y CN201313603 Y CN 201313603Y
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- CN
- China
- Prior art keywords
- frame
- tube
- engine
- chain stay
- side arm
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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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Abstract
The utility model discloses a motorcycle frame structure, comprising a front frame, a back frame and an engine bracket, wherein the front frame, the back frame and the engine bracket are respectively and independently designed and are detachably connected with mounting fasteners, and the front end of the engine bracket is connected with a front bracing tube with the mounting fasteners through mounting holes; the back end of the engine bracket is connected with a transversal tube with the mounting fasteners through mounting holes; and the back frame and the front frame are connected into a whole body by using the mounting fasteners through mounting holes. The motorcycle frame structure has strong protective effect for an engine so as to effectively protect the engine, and the left and right ends of the engine can not be damaged because of contacting and colliding with the outside obstacles; the motorcycle frame structure can increase the frame strength and rigidity, and reduce the vibration and impact resistance abilities of the engine; the back section of the frame is made of light aluminum alloy, thereby reducing the weight of the motorcycle; and the installation and maintenance are convenient, and the production efficiency can be obviously improved.
Description
Technical field
The utility model relates to the body frame structure for automotive that a kind of motor bike bears weight and impact.
Background technology
Present known cross-country motorcycle vehicle frame generally has following principal feature:
1, the following cradle of vehicle frame (also claiming engine holding frame) is welded as a whole with preceding stay tube, left and right sides support tube and transverse tube etc., form a fixing shaped as frame structure with reinforced pipe, the following cradle of this structure frame is not easy to change after the distortion that is collided, thereby cause whole vehicle frame to scrap, simultaneously when the assembling motor cycle engine, driving engine can only enter the shaped as frame center from a direction, so difficult assembling and efficiency of assembling are low.2, driving engine connects to ground through a plurality of suspension point of connection; the width of vehicle frame and following cradle thereof is generally less than the width of driving engine; make the two ends, the left and right sides of driving engine be exposed to the both sides of vehicle frame; a little less than the protective effect of vehicle frame to driving engine; the two ends, the left and right sides of driving engine contact, collide and suffer damage with the obstacle in the external world easily, can not protect driving engine to avoid bump.3, the back segment of vehicle frame and leading portion generally adopt one-piece construction, are unfavorable for the packed and transported of vehicle frame.Though, being called in name provides a kind of side arm in " separation type frame of motorcycle ", the utility application file of the patent No. for ZL200520010625.2 and after-frame is separate and can pass through attaching parts bonded assembly separate frame, but the side arm of this kind vehicle frame and after-frame all adopt the steel pipe or the steel plate of identical material, the own wt of whole vehicle frame does not alleviate, and is unfavorable for the cross-country car stable gravity center and lightweight characteristics.4, the side support tube of vehicle frame generally all be a homogeneous tube through bottom of frame, chain stay mounting support piece, all-in-one-piece vehicle frame back segment or split type vehicle frame back segment are installed journal stirrup, pedal installation bearing seat etc. and are directly welded on the side support tube.Welding stress is concentrated relatively and is not attractive in appearance, when motor bike after long-term leap is travelled, very easily take place the weld fracture may, the personal safety of chaufeur is enough become to threaten, have potential safety hazard.
Summary of the invention
The utility model is at the above-mentioned deficiency of existing body frame structure for automotive technology, to have designed a side arm and after-frame be split type and after-frame to adopt light aluminum alloy structure, frame bracket width be high-intensity forging molding spare greater than driving engine width, vehicle frame chain stay mounting support and forge directly that the vehicle frame back segment is installed journal stirrup, the strong and high motor cycle body frame structure for automotive of installation driving engine efficiency of assembling to the driving engine protective effect.
The technical solution of the utility model, a kind of motorcycle frame structure, comprise side arm, after-frame and engine holding frame, side arm, after-frame and engine holding frame be independent design respectively, with being installed, fastener connects in detachable mode, the front end of engine holding frame adopts the installation fastener to be connected with preceding stay tube by mounting hole, and the rear end of engine holding frame adopts the installation fastener to be connected with transverse tube by mounting hole, and after-frame by the mounting hole employing fastener is installed and side arm connects into an integral body.
The left bend pipe of engine holding frame, right bend pipe are connected with X-shaped spare by first connection pipe, second connection pipe; The bend pipe outside, a left side is connected with a left U-bend, and the right bend pipe outside is connected with a right U-bend; By adding weldering left and right sides U-bend, increased the engine holding frame width, thereby played the effect that the protection driving engine is not impacted.
After-frame mainly is made up of left back support tube, lower-left strut, right back support tube, bottom right strut, preceding transverse tube and rear cross-tube.It adopts and the different light aluminum alloy of side arm steel pipe (plate), connect into an integral body by mounting hole on left and right sides rear supporting tube and the left and right sides lower supporting rod and side arm, reduce the weight of after-frame significantly guaranteeing that vehicle frame has under the condition of stable center of gravity, thereby alleviated complete vehicle weight.
Side support tube and chain stay mounting support structure, left and right sides support tube and only intercept the first half respectively, it is welded as a whole with the left and right sides chain stay mounting support of shaped as frame solid forging structure respectively down, is processed with simultaneously to be used to install the hole of bottom fork axis and directly to forge the installation journal stirrup that connects the vehicle frame back segment on the chain stay mounting support of the forging left and right sides; So both guarantee the integrated carrying ability of frame sides support tube, reduced welding stress again, also improved the vehicle frame aesthetic, improved intensity, rigidity and the safety performance of vehicle frame greatly.
Motorcycle frame structure of the present utility model with respect to prior art, has following characteristics:
1, strong to the protective effect of driving engine, can effectively protect driving engine, the two ends, the left and right sides of driving engine can not contact, collide and suffer damage substantially with the obstacle in the external world.
2, frame strength and rigidity can be increased, and engine vibration and impact resistance can be alleviated.
3, the vehicle frame back segment adopts and the different light aluminum alloy of leading portion steel pipe (plate), has reduced the weight of after-frame significantly guaranteeing that vehicle frame has under the condition of stable center of gravity, thereby has alleviated complete vehicle weight.
4, can simplify the processing technology of vehicle frame, reduce the welding stress of vehicle frame, improve the strength and stiffness of vehicle frame.
5, the vehicle frame after the improvement is easy for installation and maintenance, and can significantly improve production efficiency.
Description of drawings
Figure one is the utility model vehicle frame split structural representation;
Figure two is the utility model frame joint structure front views;
Figure three is side arm (part 1) structure left views;
Figure four is engine holding frame (part 3) structure left views;
Figure five is engine holding frame (part 3) structure birds-eye vieies;
Figure six is after-frame (part 2) structure birds-eye vieies;
Figure seven is left side support tube and left chain stay mounting support structural representation;
Figure eight is right side support tube and right chain stay mounting support structural scheme of mechanism.
Among the figure, 1-side arm, 2-after-frame, 3-engine holding frame, 4-girder pipe, 5-preceding stay tube, 6-right side support tube, 7 one left side support tubes, 8-standpipe, 9-reinforced pipe, 10-transverse tube, 11-right chain stay mounting support, 12-left chain stay mounting support, 13-mounting hole, 15-right U-bend, 16-left U-bend, 17-right bend pipe, 18-left bend pipe, 19-X-shaped spare, 20-the first connection pipe, 21-the second connection pipe, 22-mounting bracket, 23-right back support tube, 24-left back support tube, 25-bottom right strut, 26-lower-left strut, 27-preceding transverse tube, 28-rear cross-tube, 29-rear brake pedal is installed bearing pin, 30-right pedal mounting bracket, 31-back disc brake pump housing mounting bracket, 32-left foot is pedaled mounting bracket;
The specific embodiment
In Fig. 1,2,3, vehicle frame of the present utility model comprises side arm 1, after-frame 2 and engine holding frame 3, and side arm 1, after-frame 2 and engine holding frame 3 are independent respectively to be provided with, and links together in detachable mode, specifically can adopt bolt fastening structure.Side arm 1 mainly comprises standpipe 8, girder pipe 4, preceding stay tube 5, left side support tube 7, right side support tube 6, reinforced pipe 9, transverse tube 10, left chain stay mounting support 12 and right chain stay mounting support 11, the point of connection that interconnects between the Guan Liang adopts the mode of welding firmly to connect usually.Engine holding frame 3 and 1 detachable connection of side arm, the end that concrete connection structure is an engine holding frame 3 is connected with preceding stay tube 5 by mounting hole 13, and the other end of engine holding frame 3 is connected with transverse tube 10 by mounting hole; Preceding stay tube 5, reinforced pipe 9, left side support tube 7, right side support tube 6, left chain stay mounting support 12, right chain stay mounting support 11 and engine holding frame 3 constitute a rectangle frame, as the position that driving engine is installed.Engine holding frame 3 and 1 detachable connection of side arm are convenient to install earlier driving engine, connect engine holding frame 3 again; Or when dismounting, dismounting engine holding frame 3 is dismantled driving engine and attached attaching parts thereof more earlier, can avoid location conflicts fully, is easy for installation and removal.
In Fig. 4,5, engine holding frame 3 of the present utility model is made up of the left bend pipe 18, the right bend pipe 17 that extend to the back lower place from the top; Left side bend pipe 18, right bend pipe 17 are connected with X-shaped spare 19 by connection pipe I (20), connection pipe II (21).Bend pipe 18 outsides, a left side are connected with a left U-bend 16, and right bend pipe 17 outsides are connected with a right U-bend 15.The distance of left side U-bend 16, right U-bend 15 outer ends is greater than the width of former vehicle frame; also greater than the width of driving engine; the two ends, the left and right sides that make driving engine all in left U-bend 16, right U-bend 15, can not contact, collide substantially with the obstacle in the external world, and the protection driving engine is avoided bump.Be connected with the mounting bracket 22 that is used to install driving engine on connection pipe I (20), the connection pipe II (21), by a plurality of mounting brackets 22 with engine installation on engine holding frame 3 and side arm 1.
In Fig. 6, after-frame 2 of the present utility model, by left back support tube 24 and bonded assembly lower-left strut 26, right back support tube 23 and bonded assembly bottom right strut 25, and the preceding transverse tube 27, the rear cross-tube 28 that connect left and right sides rear supporting tube 24,23 constitute, this structure constitutes a triangle space, and this space is in order to arrange airfilter.The material of after-frame 2 is light aluminum alloys, can alleviate own wt; After-frame 2 connects into an integral body by the connecting bore on left back support tube 24, lower-left strut 26, right back support tube 23 and the bottom right strut 25 with bolt and side arm 1.
In Fig. 1,2,4,7,8, the one-piece construction that left chain stay mounting support 12 and right chain stay mounting support 11 are respectively forging moldings; This one-piece construction is useful on connection after-frame about 2 is installed journal stirrup (i.e. the part of irising out with circle a and circle b) and is used to install bottom fork axis in Fig. 7 and Fig. 8 hole on left and right sides chain stay mounting support 12,11.Left foot stone steps mounting bracket 32, rear brake pedal are installed bearing pin 29, back disc brake pump housing mounting bracket 31 is connected with integral type left side chain stay mounting support 12 by welding.Right pedal mounting bracket 30 is connected with right chain stay mounting support 11 by welding.One-piece construction of the present utility model had both guaranteed the integrated carrying ability of frame sides support tube, reduced welding stress again, also improved the vehicle frame aesthetic, intensity, rigidity and the safety performance of vehicle frame have been improved greatly, make vehicle frame stressed more evenly, reasonable, reduced the stressed distribution of vehicle frame around the chain stay mounting hole by improvement.
Claims (5)
1, a kind of motorcycle frame structure comprises side arm (1) and after-frame (2), and side arm (1) and after-frame (2) are independent respectively to be provided with, and connects in detachable mode; It is characterized in that: be provided with engine holding frame (8) in the bottom of side arm (1), engine holding frame (8) and detachable connection of side arm (1); One end of engine holding frame (8) is connected with the preceding stay tube (5) of side arm (1) by mounting hole (13), and the other end of engine holding frame (8) is connected with the transverse tube (10) of side arm (1) by mounting hole; The preceding stay tube (5) of side arm (1), reinforced pipe (9), left side support tube (7), right side support tube (6), left chain stay mounting support (12), right chain stay mounting support (11) and engine holding frame (8) constitute a rectangle frame.
2, motorcycle frame structure according to claim 1 is characterized in that: described engine holding frame (8) is made up of right bend pipe (17), left bend pipe (18); Right bend pipe (17), left bend pipe (18) are connected by first connection pipe (20), second connection pipe (21) and X-shaped spare (19); Left side bend pipe (18) outside is connected with a left U-bend (16), and right bend pipe (17) outside is connected with a right U-bend (15).
3, motorcycle frame structure according to claim 1 and 2 is characterized in that: left chain stay mounting support (12) and right chain stay mounting support (11) all are one-piece constructions; Go up forging at left chain stay mounting support (12), right chain stay mounting support (11) and be useful on installation journal stirrup that connects after-frame (2) and the hole that is used to install bottom fork axis.
4, motorcycle frame structure according to claim 1 and 2, it is characterized in that: the material of described after-frame (2) is a light aluminum alloy, by left back support tube (24) and the lower-left strut (26) that is connected, right back support tube (23) and the bottom right strut (25) that is connected, and the preceding transverse tube (27), rear cross-tube (28) formation that connect left back support tube (24) and right back support tube (23).
5, motorcycle frame structure according to claim 3 is characterized in that: support tube (7) lower end, described motor bike left side is connected with left chain stay mounting support (12), and right side support tube (6) lower end is connected with right chain stay mounting support (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200991324U CN201313603Y (en) | 2008-12-19 | 2008-12-19 | Motorcycle frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200991324U CN201313603Y (en) | 2008-12-19 | 2008-12-19 | Motorcycle frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201313603Y true CN201313603Y (en) | 2009-09-23 |
Family
ID=41125392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200991324U Expired - Fee Related CN201313603Y (en) | 2008-12-19 | 2008-12-19 | Motorcycle frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201313603Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464072A (en) * | 2010-11-09 | 2012-05-23 | 光阳工业股份有限公司 | Rear frame for motorcycles |
| CN106553729A (en) * | 2015-09-28 | 2017-04-05 | 光阳工业股份有限公司 | Vehicle frame coupling apparatus |
| CN106828746A (en) * | 2017-01-22 | 2017-06-13 | 力帆实业(集团)股份有限公司 | Motorcycle separated vehicle frame |
| CN108100129A (en) * | 2013-03-15 | 2018-06-01 | 北极星工业有限公司 | Sulky vehicle |
-
2008
- 2008-12-19 CN CNU2008200991324U patent/CN201313603Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464072A (en) * | 2010-11-09 | 2012-05-23 | 光阳工业股份有限公司 | Rear frame for motorcycles |
| CN102464072B (en) * | 2010-11-09 | 2015-09-09 | 光阳工业股份有限公司 | The Rear frame of motor bike |
| CN108100129A (en) * | 2013-03-15 | 2018-06-01 | 北极星工业有限公司 | Sulky vehicle |
| CN108100129B (en) * | 2013-03-15 | 2020-08-18 | 北极星工业有限公司 | Two-wheeled vehicle |
| CN106553729A (en) * | 2015-09-28 | 2017-04-05 | 光阳工业股份有限公司 | Vehicle frame coupling apparatus |
| CN106828746A (en) * | 2017-01-22 | 2017-06-13 | 力帆实业(集团)股份有限公司 | Motorcycle separated vehicle frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20090923 Termination date: 20171219 |