CN100434338C - Main metal pipe frame and composite material pipe jointing and forming method - Google Patents
Main metal pipe frame and composite material pipe jointing and forming method Download PDFInfo
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- CN100434338C CN100434338C CNB2005100258828A CN200510025882A CN100434338C CN 100434338 C CN100434338 C CN 100434338C CN B2005100258828 A CNB2005100258828 A CN B2005100258828A CN 200510025882 A CN200510025882 A CN 200510025882A CN 100434338 C CN100434338 C CN 100434338C
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Abstract
The present invention relates to a method for connecting a main pipe frame body of a metal bicycle frame and a single composite material pipe material for forming. Firstly, the main pipe frame body of the bicycle frame is manufactured, and one pipe fitting on the main pipe frame body of the bicycle frame is provided with two hollow end pipes which are arranged oppositely; a composite blank material which comprises a binding agent in advance and is coiled into a cylinder is sheathed with a position between the hollow end pipes, then the pipe fitting sheathed with the composite blank material is put in a mold; an expanding hose extends into the composite blank material, and high pressure fluid is input in the expanding hose for expanding the composite blank material; finally, the composite blank material is pressurized and heated, so the composite blank material is solidified by heating and can be fixed between the end pipes.
Description
Technical field
The invention relates to a kind of vehicle frame of bicycle, be meant that especially a kind of main metal pipe frame engages forming method with single composite material pipe.
Background technology
General contest is used or the higher cycle frame of progression, in order to alleviate vehicle frame weight, except parts such as five-way pipe, vehicle head tube, seat pipe, fork pawl be make with metal material, all the other pipe fittings that are engaged between the above-mentioned parts are to make with composite material (for example carbon fiber) mostly.
The cycle frame of inferior one-level, only can make with composite material at pipe fitting partly, for example shown in Figure 1, this vehicle frame have one with metal material be welded into the back segment unit 1 of fixing kenel, a pair of car initial workpiece 2 and two of should back segment unit 1 and also making with metal material can be fixed in the composite material 3 between this back segment unit 1 and this car initial workpiece 2.
With regard to regard to existing manufacturing technology, during be between this back segment unit 1 and this car initial workpiece 2 affixed these composite pipes 3,, there is no difficulty so can make because of this back segment unit 1 and car initial workpiece 2 are separated.
But if as long as on metal frame main frame tube main body during affixed unitary composite tubing, because of the distance between two metal partss has been fixing, the total length of this composite pipe again must be greater than the distance between this metal parts, so technically be difficult to make this composite pipe to engage smoothly with this metal frame main frame tube main body.
Summary of the invention
Therefore, purpose of the present invention is promptly providing simple, the easy to manufacture and metal frame main frame tube main body that a compound embryo material firmly is fixed on the vehicle frame main frame tube main body of a kind of step to engage forming method with single composite material pipe.
So, metal frame main frame tube main body of the present invention engages forming method with single composite material pipe, comprise the following step: (A) prepare this vehicle frame main frame tube main body, this vehicle frame main frame tube main body has most fasteners and most and the affixed pipe fitting of this fastener, one of them pipe fitting has two along a length direction relatively and the hollow end pipe that is provided with at interval, between this hollow end pipe, form one have one first length in conjunction with section.(B) contain cement in advance with one and be rolled into barrel-contoured compound embryo material and be socketed in this junction section along this length direction, this compound embryo material has two and is set in this nested end of end pipe in-to-in, has second length greater than this first length between the end face of this nested end.(C) pipe fitting that will be arranged with compound embryo material is put into a mould inside.(D) flexible pipe that supports that can radially produce elastic telescopic is stretched along this length direction and is located in this compound embryo material, and high-pressure fluid is imported this support in the flexible pipe, this supports, and flexible pipe radially expands and this compound embryo material is produced expanded support.(E) this compound embryo material is pressurizeed, heats, this compound embryo material is subjected to heatcure and forms a composite pipe that is fixed between this end pipe.
Utilize above-mentioned steps to make to have the compound embryo material of second length to be fixed in smoothly in the junction section with first length, and can make this tubing and this vehicle frame main frame tube main body firmly affixed.
Description of drawings
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to a graphic preferred embodiment, can clearly present.
Fig. 1 is existing a kind of decomposing schematic representation with vehicle frame of two composite pipes;
Fig. 2 is a diagram of circuit, illustrates that metal frame main frame tube main body of the present invention engages a preferred embodiment of forming method with single composite material pipe;
Fig. 3 is a planar view of the above-mentioned preferred embodiment one pipe support main body of the present invention;
Fig. 4 is the joint scheme drawing of the above-mentioned preferred embodiment of the present invention, and the pipe fitting once that explanation will be arranged with a compound embryo material puts down a mould inside;
Fig. 5 is that the joint of the above-mentioned preferred embodiment of the present invention is finished scheme drawing, illustrates that high pressure gas importing one is supported flexible pipe can produce expanded support to this compound embryo material;
Fig. 6 is the planar view of a vehicle frame of the above-mentioned preferred embodiment of the present invention.
The specific embodiment
As shown in Figure 2, main metal pipe frame of the present invention engages the forming method preferred embodiment with single composite material pipe, is to be example with the cycle frame, and comprises the following step:
Step 1: cooperate and consult Fig. 3, prepare a pipe support main body 100 in advance, this pipe support main body 100 has the first fastener 110 of a car made from metal material, a pipe joint piece 120, First Five-Year Plan connects component 130, one back vent pawl fastener 140, one is fixed in the last pipe fitting 150 between the first fastener 110 of this car and this pipe joint piece 120, one is fixed in the seat pipe fitting 160 between this pipe joint piece 120 and this five-way fastener 130, one is fixed in the Seat stay pipe fitting 170 between this pipe joint piece 120 and the back vent pawl fastener 140, one is fixed in Chain stay pipe fitting 180 and between this five-way fastener 130 and the back vent pawl fastener 140 is fixed in following pipe fitting 190 between the first fastener 110 of this car and this five-way fastener 130.Should go up pipe fitting 150, seat pipe fitting 160, Seat stay pipe fitting 170 and Chain stay pipe fitting 180 and be continuous extension shape, this time pipe fitting 190 is then made discontinuous shape, and have one be fixed in the first end pipe 191 and on the first fastener 110 of this car along a length direction X and this first end pipe 191 relative and second end pipes 192 of setting at interval, between this first and second end pipe 191,192 formation one have one first length L 1 in conjunction with section 193.
Step 2: cooperate and consult Fig. 4, preparing one in advance contains cement (for example resin) and is rolled into the compound embryo material 200 ' of barrel-contoured lamination, this compound embryo material 200 ' has the two opposite stage casings 220 ' of nested end 210 ' and between this nested end 210 ' that are provided with, and has second length L 2 greater than this first length L 1 between the end face of this nested end 210 '.And the nested end 210 ' at this compound embryo material 200 ' is coated with sticker respectively, should be socketed in this in conjunction with in the section 193 along this length direction X by compound embryo material 200 ' again, and make this nested end 210 ' be nested in this first and second end pipe 191,192 inside respectively.Be inserted in this first and second end pipe at 191,192 o'clock at this compound embryo material 200 ' of operation, it is the flexible characteristic of utilizing this compound embryo material 200 ', but and slight curvature, make this compound embryo material 200 ' because of flexure deformation, and this nested end 210 ' is inserted in this first and second end pipe 191,192 easily, and this compound embryo material 200 ' can make entire length revert back to second length L 2 subsequently, and the original-shape of this compound embryo material 200 ' be straight hollow tube-shape, this nested end 210 ' is identical with the external diameter in this stage casing 220 '.
Step 3: the following pipe fitting 190 that will be arranged with compound embryo material 200 ' is put into a mould 300 inside.
Step 4 a: flexible pipe 400 that supports of making and can radially produce elastic telescopic with the silica gel material is stretched into and stretches along this length direction X from first fastener 110 sides of this car and is located in this compound embryo material 200 '.This support flexible pipe 400 have a pair of should the second end pipe 192 closed end 410 and one opposite with this closed end 410 be provided with and stretch be located at the first fastener of this car 110 exterior introducing ends 420.
Step 5: high pressure gas are poured into to this from this introducing end 420 support in the flexible pipe 400, and cooperate and consult Fig. 5, this supports, and flexible pipe 400 can radially expand and this compound embryo material 200 ' is produced expanded support, and the nested end of this of this compound embryo material 200 ' 210 ' because be subjected to first and second end pipe 191,192 constraint and can't dilatational strain, made a side face be close to a die cavity of this mould 300 and corresponding to the outer peripheral face of this first and second end pipe 191,192 but this stage casing 220 ' can support.
Step 6: this mould 300 is pressurizeed, heats, and make that this compound embryo material 200 ' is subjected to heatcure and forms a composite pipe 200 (as shown in Figure 6) that is fixed between this first and second end pipe 191,192.
Before the die sinking, can discharge earlier originally to charge and support high-pressure fluid in the flexible pipe 400, this can be supported flexible pipe 400 and in this composite pipe 200 and pipe support main body 100, shift out at this.
After this composite pipe 200 and pipe support main body 100 affixed being integral, grind, application, just can make a vehicle frame 500 (as shown in Figure 6), and the joint of the composite pipe 200 of this vehicle frame 500 and this first and second end pipe 191,192 is smooth, sliding along shape, can guarantees the integraty of outward appearance.
Therefore, utilize method of bonding and molding of the present invention, be can be on this pipe support main body 100 affixed unitary composite tubing 200, not only can overcome the technology of joint, and can make metal pipe frame reach the weight-saving purpose.
The above, it only is preferred embodiment of the present invention, can not limit the scope of claim of the present invention with this, promptly the simple equivalent of being done according to the present patent application claim scope and description of the invention content generally changes and modifies, and all still belongs in the scope that the present invention contains.
Claims (4)
1. a main metal pipe frame engages forming method with single composite material pipe, it is characterized by:
(A) preparation one pipe support main body, this pipe support main body has most fasteners and most and the affixed pipe fitting of this fastener, one of them pipe fitting has two along a length direction relatively and the hollow end pipe that is provided with at interval, between this hollow end pipe, form one have one first length in conjunction with section;
(B) contain cement with one and be rolled into barrel-contoured compound embryo material and be socketed in this in conjunction with in the section along this length direction, this compound embryo material has two and is set in this nested end of end pipe in-to-in, has second length greater than this first length between the end face of this nested end;
(C) pipe fitting that will be arranged with compound embryo material is put into a mould inside;
(D) flexible pipe that supports that can radially produce elastic telescopic is stretched along this length direction and is located in this compound embryo material, and high-pressure fluid is imported this support in the flexible pipe, this supports, and flexible pipe radially expands and this compound embryo material is produced expanded support; And
(E) this compound embryo material is pressurizeed, heats, this compound embryo material is subjected to heatcure and forms a composite pipe that is fixed between this end pipe.
2. main metal pipe frame according to claim 1 engages forming method with single composite material pipe, it is characterized by, in this step (D) support flexible pipe have a correspondence wherein an end pipe closed end and one opposite with this closed end be provided with and stretch be located at the exterior introducing of this pipe support main body end.
3. main metal pipe frame according to claim 1 engages forming method with single composite material pipe, it is characterized by, and the high-pressure fluid that this step (D) is imported can adopt high pressure gas.
4. main metal pipe frame according to claim 1 engages forming method with single composite material pipe, it is characterized by, the compound embryo material of this step (B) cover insert this in conjunction with section in before, be on this nested end, to be coated with sticker earlier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100258828A CN100434338C (en) | 2005-05-18 | 2005-05-18 | Main metal pipe frame and composite material pipe jointing and forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100258828A CN100434338C (en) | 2005-05-18 | 2005-05-18 | Main metal pipe frame and composite material pipe jointing and forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1706708A CN1706708A (en) | 2005-12-14 |
| CN100434338C true CN100434338C (en) | 2008-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100258828A Active CN100434338C (en) | 2005-05-18 | 2005-05-18 | Main metal pipe frame and composite material pipe jointing and forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100434338C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856800A (en) * | 1987-11-11 | 1989-08-15 | Araya Industrial Co., Ltd. | Pipe joining construction of a bicycle frame |
| US5253947A (en) * | 1990-10-23 | 1993-10-19 | Gkn Automotive Ag | Connection between a tubular shaft made of a fiber composite material and a metal journal, as well as a method of producing such a connection |
| CN1039980C (en) * | 1992-09-25 | 1998-09-30 | 陈勋森 | Bicycle frame of composite material and its making method |
-
2005
- 2005-05-18 CN CNB2005100258828A patent/CN100434338C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856800A (en) * | 1987-11-11 | 1989-08-15 | Araya Industrial Co., Ltd. | Pipe joining construction of a bicycle frame |
| US5253947A (en) * | 1990-10-23 | 1993-10-19 | Gkn Automotive Ag | Connection between a tubular shaft made of a fiber composite material and a metal journal, as well as a method of producing such a connection |
| CN1039980C (en) * | 1992-09-25 | 1998-09-30 | 陈勋森 | Bicycle frame of composite material and its making method |
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| Publication number | Publication date |
|---|---|
| CN1706708A (en) | 2005-12-14 |
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