CN204432883U - A kind of S type twin beams vehicle frame - Google Patents
A kind of S type twin beams vehicle frame Download PDFInfo
- Publication number
- CN204432883U CN204432883U CN201520110431.3U CN201520110431U CN204432883U CN 204432883 U CN204432883 U CN 204432883U CN 201520110431 U CN201520110431 U CN 201520110431U CN 204432883 U CN204432883 U CN 204432883U
- Authority
- CN
- China
- Prior art keywords
- upper beam
- pipe
- underbeam
- section
- middle pipe
- 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 - Fee Related
Links
Abstract
The utility model discloses a kind of S type twin beams vehicle frame.The utility model comprises upper beam and underbeam, and described upper beam is S type, and upper beam first half section is the bend pipe of bending spring 180mm, and the upper beam second half section is the bend pipe of bending spring 100mm; The leading portion of underbeam is bending partly through the bend pipe of 300mm, and the back segment of underbeam is straight tube; The top of upper beam and underbeam is fixed with head tube respectively; Tail end and the middle pipe of upper beam are fixed, and tail end and the Five-way tube of underbeam are fixed; Described middle pipe adopts diameter 38mm, the steel pipe of thickness 1.2mm, and middle pipe epimere is taper pipe, and middle pipe epimere tip section diameter is 28.6mm; Middle pipe hypomere hydraulic pressure becomes cross section oval, and elliptic cross-section is of a size of major axis 46mm, minor axis 30mm.The utility model upper frame rail is the design of S type, and underbeam echoes single curved more aobvious vehicle frame aesthetic feeling, and the design of twin beams simultaneously adds frame strength, and upper pipe S type, further increases driving of person for driving a car easy for going up and down.
Description
Technical field
The utility model relates to bicycle part field, more particularly relates to a kind of S type twin beams vehicle frame.
Background technology
Existing common twin beams vehicle frame, outward appearance is stiff, and Ms gets on or off the bus inconvenience, existing this vehicle frame not only intensity difference, and safety performance is slightly poor.
Utility model content
Technical problem to be solved in the utility model, overcomes the deficiencies in the prior art, provides a kind of S type twin beams vehicle frame.
A kind of S type of the utility model twin beams vehicle frame, be achieved by following technical proposals, comprise upper beam and underbeam, it is characterized in that, described upper beam adopts major axis 37mm, the steel pipe of the cross section ellipse of minor axis 31mm, wall thickness 1.2mm; Upper beam is S type, and upper beam first half section is the bend pipe of bending spring 180mm, and the upper beam second half section is the bend pipe of bending spring 100mm; The leading portion of underbeam is bending partly through the bend pipe of 300mm, and the back segment of underbeam is straight tube; The top of upper beam and underbeam is fixed with head tube respectively; Tail end and the middle pipe of upper beam are fixed, and tail end and the Five-way tube of underbeam are fixed; Described middle pipe adopts diameter 38mm, the steel pipe of thickness 1.2mm, and middle pipe epimere is taper pipe, and middle pipe epimere tip section diameter is 28.6mm; Middle pipe hypomere hydraulic pressure becomes cross section oval, and elliptic cross-section is of a size of major axis 46mm, minor axis 30mm.
Compared with prior art, this practical beneficial effect is:
The utility model upper frame rail is the design of S type, and underbeam echoes single curved more aobvious vehicle frame aesthetic feeling, and the design of twin beams simultaneously adds frame strength, and upper pipe S type, further increases driving of person for driving a car easy for going up and down.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, comprise upper beam and underbeam, described upper beam adopts major axis 37mm, the steel pipe of the cross section ellipse of minor axis 31mm, wall thickness 1.2mm; Upper beam is S type, and upper beam first half section 1 is the bend pipe of bending spring 180mm, and the upper beam second half section 2 is the bend pipe of bending spring 100mm; The leading portion 3 of underbeam is bending partly through the bend pipe of 300mm, and the back segment 4 of underbeam is straight tube; The top of upper beam and underbeam is fixed with head tube 5 respectively; Tail end and the middle pipe of upper beam are fixed, and tail end and the Five-way tube 6 of underbeam are fixed; Described middle pipe adopts diameter 38mm, the steel pipe of thickness 1.2mm, and middle pipe epimere 7 is taper pipe, and middle pipe epimere tip section diameter is 28.6mm; Middle pipe hypomere 8 hydraulic pressure becomes cross section oval, and elliptic cross-section is of a size of major axis 46mm, minor axis 30mm.
S is curved for the utility model upper beam, the flexible one side of display vehicle frame; Underbeam list is curved, and tube section is trapezoidal, display frame strength and aesthetic feeling; Middle tube section is oval, display frame strength, and the graceful rider comfort of overall appearance is convenient.
This states above is preferred implementation of the present utility model, it should be pointed out that for those skilled in the art, under the prerequisite departing from these family expenses new principle, can also make some improvements and modifications.These improvements and modifications also should be considered as protection domain of the present utility model.
Claims (1)
1. a S type twin beams vehicle frame, comprises upper beam and underbeam, it is characterized in that, described upper beam adopts major axis 37mm, the steel pipe of the cross section ellipse of minor axis 31mm, wall thickness 1.2mm; Upper beam is S type, and upper beam first half section is the bend pipe of bending spring 180mm, and the upper beam second half section is the bend pipe of bending spring 100mm; The leading portion of underbeam is bending partly through the bend pipe of 300mm, and the back segment of underbeam is straight tube; The top of upper beam and underbeam is fixed with head tube respectively; Tail end and the middle pipe of upper beam are fixed, and tail end and the Five-way tube of underbeam are fixed; Described middle pipe adopts diameter 38mm, the steel pipe of thickness 1.2mm, and middle pipe epimere is taper pipe, and middle pipe epimere tip section diameter is 28.6mm; Middle pipe hypomere hydraulic pressure becomes cross section oval, and elliptic cross-section is of a size of major axis 46mm, minor axis 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110431.3U CN204432883U (en) | 2015-02-15 | 2015-02-15 | A kind of S type twin beams vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110431.3U CN204432883U (en) | 2015-02-15 | 2015-02-15 | A kind of S type twin beams vehicle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204432883U true CN204432883U (en) | 2015-07-01 |
Family
ID=53600786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520110431.3U Expired - Fee Related CN204432883U (en) | 2015-02-15 | 2015-02-15 | A kind of S type twin beams vehicle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204432883U (en) |
-
2015
- 2015-02-15 CN CN201520110431.3U patent/CN204432883U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150701 Termination date: 20170215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |