CN213831971U - Motorcycle frame main beam pipe - Google Patents
Motorcycle frame main beam pipe Download PDFInfo
- Publication number
- CN213831971U CN213831971U CN202023123815.9U CN202023123815U CN213831971U CN 213831971 U CN213831971 U CN 213831971U CN 202023123815 U CN202023123815 U CN 202023123815U CN 213831971 U CN213831971 U CN 213831971U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pipe body
- main beam
- annular
- motorcycle frame
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a motorcycle frame main beam pipe, which comprises a pipe body, wherein the two ends of the pipe body are provided with slopes, the radial section of the pipe body is oval, the two ends of the pipe body are fixedly sleeved with annular pipe fittings, and the wall thickness of the annular pipe fittings is 1/3-1/2 of that of the pipe body; the front end of the annular pipe fitting and the front end of the pipe body are mutually staggered, the front end face of the annular pipe fitting and the outer wall of the pipe body jointly form a step structure, the width of the staggered part is equal to the width of a welding seam, a tooth-shaped opening which is continuously arranged is arranged at the tail part of the annular pipe fitting, the width of the tooth-shaped opening is not less than the width of two welding seams, and the front end of the annular pipe fitting and the contour of the tooth-shaped opening are used as welding parts for connecting the pipe body and the annular pipe fitting. The utility model provides a motorcycle frame girder pipe not only bears the weight of intensity height, and joint strength is high moreover, still has excellent anti deformability.
Description
Technical Field
The utility model relates to a motorcycle frame, concretely relates to motorcycle frame girder pipe.
Background
In the prior art, document CN209521809U discloses a connection structure of a main beam tube and a stand tube of a motorcycle frame, which includes a reinforcement tube, a stand tube, an upper main beam tube, a lower main beam tube, a left lower parallel tube, a right lower parallel tube, and a bending tube, wherein the upper main beam tube includes a left upper main beam tube and a right upper main beam tube, the front ends of the left upper main beam tube and the right upper main beam tube are both fixed on the upper portion of the stand tube, the lower main beam tube includes a left lower main beam tube and a right lower main beam tube, and the bending tube includes a left lower bending tube i, a right lower bending tube i, a left lower bending tube ii, and a right lower bending tube ii; the lower part of the vertical pipe is provided with a left lower parallel pipe and a right lower parallel pipe, the rear ends of the left lower parallel pipe and the right lower parallel pipe are respectively connected with the front ends of a left lower bending pipe I and a right lower bending pipe I, the front ends of a left lower main beam pipe and a right lower main beam pipe are respectively connected with the rear ends of the left lower bending pipe I and the right lower bending pipe I, the rear ends of the left lower main beam pipe and the right lower main beam pipe are respectively connected with the rear ends of a left lower bending pipe II and a right lower bending pipe II, and the rear ends of the left upper main beam pipe and the right upper main beam pipe are bent and extended towards the rear lower part to form a left upper extension pipe and a right upper extension pipe; an upper main beam pipe clamp angle I is formed between the upper left main beam pipe and the upper right main beam pipe, and an upper main beam pipe included angle II is formed between the upper left extension pipe and the upper right extension pipe; the left lower main beam pipe and the right lower main beam pipe extend inwards through a left lower bending pipe II and a right lower bending pipe II respectively to form a left lower extension pipe and a right lower extension pipe; a lower main beam pipe included angle I is formed between the left lower main beam pipe and the right lower main beam pipe, and a lower main beam pipe included angle II is formed between the left lower extension pipe and the right lower extension pipe; the reinforced pipe is arranged between the upper left main beam pipe and the lower left main beam pipe. Document CN204659917U discloses a multifunctional frame of a curved beam motorcycle, which comprises a main beam pipe, a left side pipe, a right side pipe, a storage box lock bracket, a front cushion lock bracket, a rear cushion lock bracket, a large goods shelf lock bracket and a rear goods shelf mounting bracket; the front parts of the left side pipe and the right side pipe are extended obliquely downwards at equal intervals, then extended forwards at equal intervals, and finally extended towards the middle horizontally and fixed at the lower end of the main beam pipe; the storage box lock support is installed to left side pipe and right pipe forward-mounted, and preceding cushion lock support mounting is at left side pipe and right pipe middle part, and left side pipe and right pipe rear portion install back cushion lock support, big goods shelves lock support and back goods shelves installing support from the past backward in proper order, is provided with long cushion lock support and back cushion on the back goods shelves installing support and detains the support.
As mentioned above, the main beam pipe of the motorcycle frame is a standard round pipe, and the strength and the deformation resistance of the main beam pipe are still required to be further optimized on the basis of the same wall thickness.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a motorcycle frame girder pipe that intensity is high, the anti deformability is excellent.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a motorcycle frame girder pipe, includes the pipe body, and pipe body both ends are equipped with the slope, its characterized in that: the radial section of the pipe body is oval, annular pipe fittings are fixedly sleeved at two end parts of the pipe body, and the wall thickness of each annular pipe fitting is 1/3-1/2 of that of the pipe body; the front end of the annular pipe fitting and the front end of the pipe body are mutually staggered, the front end face of the annular pipe fitting and the outer wall of the pipe body jointly form a step structure, the width of the staggered part is equal to the width of a welding seam, a tooth-shaped opening which is continuously arranged is arranged at the tail part of the annular pipe fitting, the width of the tooth-shaped opening is not less than the width of two welding seams, and the front end of the annular pipe fitting and the contour of the tooth-shaped opening are used as welding parts for connecting the pipe body and the annular pipe fitting.
In order to further improve the strength and the deformation resistance of the main beam pipe of the motorcycle frame, the middle part of the outer wall of the pipe body is provided with a protruding part which is integrally formed with the pipe body, and the inner wall of the pipe body opposite to the protruding part is a straight edge in the vertical direction.
Preferably, two of the convex parts are symmetrically arranged.
Preferably, the protrusion is in arc transition with the outer wall of the pipe body.
Preferably, the convex part is a rib or a plurality of spherical protrusions arranged at intervals.
Preferably, the tooth-shaped opening is rectangular, arc-shaped or triangular.
In order to facilitate the installation of the annular pipe fitting and better eliminate welding stress, the annular pipe fitting is formed by two split bodies which are connected in a clamping manner, and the outline of the clamping position is of a tooth-shaped structure or a labyrinth structure. Preferably, the clamping parts of the two split bodies have a gap of 2-3mm, namely, the connecting parts of the two split bodies have a gap of 2-3mm after being clamped with each other.
The beneficial effects are that: the main beam pipe of the motorcycle frame provided by the utility model has high bearing strength, high connection strength and excellent anti-deformation capability; on one hand, the bearing strength and the deformation resistance are improved through the oval pipe body structure, on the other hand, the bearing strength and the deformation resistance are improved through the bulge arranged in the middle of the outer wall of the pipe body, and the connection strength is improved through the annular pipe fitting sleeved at the end part of the pipe body; in addition, because the annular pipe fitting of the split body structure is adopted, the welding stress can be better eliminated in the process of welding the annular pipe fitting, a great part of welding stress is eliminated through a gap at the clamping part of the two split bodies, and meanwhile, the annular pipe fitting is convenient to install.
Drawings
FIG. 1 is a schematic view of a main beam pipe of a motorcycle frame in embodiment 1;
FIG. 2 is a schematic radial cross-sectional view of a main beam tube of a motorcycle frame in an embodiment;
FIG. 3 is a schematic view of a main beam pipe of a motorcycle frame in embodiment 2.
Detailed Description
The technical solutions are described below clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, a motorcycle frame main beam pipe comprises a pipe body 1, wherein the middle part of the pipe body 1 has proper bending degree, the two ends of the pipe body 1 are provided with slopes, the bending amount and the slope of the pipe body 1, the diameter and the wall thickness of the pipe body 1 are determined by technicians in the field according to vehicle types, the radial section of the pipe body 1 is oval, annular pipe fittings 5 are fixedly sleeved at the two ends of the pipe body 1, and the wall thickness of each annular pipe fitting 5 is 1/3-1/2 of the wall thickness of the pipe body 1; the front end 4 of the annular pipe fitting and the front end 3 of the pipe body are staggered with each other, the front end face of the annular pipe fitting 5 and the outer wall of the pipe body 1 jointly form a step structure, the width of the staggered position (the distance between the front end face of the annular pipe fitting 5 and the front end face of the pipe body 1) is equal to the width of a welding seam, a tooth-shaped opening 2 which is continuously arranged is arranged at the tail of the annular pipe fitting 5, the tooth-shaped opening 2 is rectangular, the width of the tooth-shaped opening 2 is not smaller than the width of the two welding seams, and the contours of the front end 4 of the annular pipe fitting and the tooth-shaped opening 2 are used as the welding position where the pipe body 1 is connected with the annular pipe fitting 5. When necessary, the front end 4 of the annular pipe fitting can also be used as a welding part for connecting the pipe body 1 and other connecting pipes of the motorcycle framework with the annular pipe fitting 5.
In this embodiment, a protruding portion 6 is disposed in the middle of the outer wall of the pipe body 1, the protruding portion 6 and the pipe body 1 are integrally formed, the inner wall of the pipe body 1 facing the protruding portion 6 is a straight edge in the vertical direction (the straight edge is indicated by reference number 7 in fig. 2), the protruding portion 6 is a protruding edge, two protruding portions 6 are symmetrically disposed, and the protruding portion 6 and the outer wall of the pipe body 1 are in arc transition.
When the annular pipe fitting 5 in this embodiment is installed, the annular pipe fitting 5 is first sleeved on the pipe body 1 at an appropriate position and fixed by spot welding, and after the pipe body 1 is welded, the annular pipe fitting 5 is welded.
Example 2
Referring to fig. 2 and 3, the motorcycle frame main beam pipe comprises a pipe body 1, wherein the middle of the pipe body 1 has a proper bending degree, slopes are arranged at two ends of the pipe body 1, the bending amount and the slope of the pipe body 1, the diameter and the wall thickness of the pipe body 1 are determined by technicians in the field according to vehicle types, the radial section of the pipe body 1 is oval, annular pipe fittings 5 are fixedly sleeved at two ends of the pipe body 1, and the wall thickness of each annular pipe fitting 5 is 1/3-1/2 of the wall thickness of the pipe body 1; the front end 4 of the annular pipe fitting and the front end 3 of the pipe body are staggered with each other, the front end face of the annular pipe fitting and the outer wall of the pipe body 1 jointly form a step structure, the width of the staggered position is equal to the width of a welding seam (the distance between the front end face of the annular pipe fitting 5 and the front end face of the pipe body 1), a tooth-shaped opening 2 which is continuously arranged is arranged at the tail of the annular pipe fitting 5, the tooth-shaped opening 2 is rectangular, the width of the tooth-shaped opening 2 is not smaller than the width of two welding seams, and the outlines of the front end 4 of the annular pipe fitting and the tooth-shaped opening 2 are used as the welding position where the pipe body 1 is connected with the annular pipe fitting 5.
In this embodiment, a protruding portion 6 is provided in the middle of the outer wall of the tube body 1, the protruding portion 6 and the tube body 1 are integrally formed, the inner wall of the tube body 1 facing the protruding portion 6 is a straight edge in the vertical direction, and the protruding portion 6 is a plurality of spherical protrusions arranged at intervals. The annular pipe fitting 5 is formed by two split bodies which are connected in a clamping mode, the outline of a clamping portion 8 is of a tooth-shaped structure or a labyrinth structure, and after the two split bodies are clamped with each other, a gap of 2-3mm is formed in the connecting portion.
When the annular pipe fitting 5 in this embodiment is installed, one of the segments of the annular pipe fitting 5 is firstly sleeved on the pipe body 1 at a proper position and fixed by spot welding, then the other segment is sleeved on the pipe body 1 and clamped and fixed with the fixed segment (at this time, the state is shown in fig. 3), then the segment is fixed by spot welding, and after the pipe body 1 is welded, the annular pipe fitting 5 is welded; because the joint position between two split bodies has the gap, some deformation and the stress that produces in the welding process can be eliminated through this gap.
Example 3
Referring to embodiment 1, there is provided a motorcycle frame main beam pipe, which is different from embodiment 1 in that: the tooth-shaped opening 2 is triangular.
The main beam pipe of the motorcycle frame in the embodiment has high bearing strength, high connection strength and excellent deformation resistance; on one hand, the bearing strength and the deformation resistance are improved through the structure of the oval pipe body 1, on the other hand, the bearing strength and the deformation resistance are improved through the arrangement of the bulge part in the middle of the outer wall of the pipe body 1, and the connection strength is improved through the annular pipe fitting 5 sleeved at the end part of the pipe body 1; in addition, because the annular pipe fitting 5 of the split body structure is adopted, welding stress can be better eliminated in the process of welding the annular pipe fitting 5, a large part of welding stress is eliminated through a gap at the clamping connection part of the two split bodies, and meanwhile, the annular pipe fitting 5 is convenient to install.
Claims (8)
1. The utility model provides a motorcycle frame girder pipe, includes pipe body (1), and pipe body (1) both ends are equipped with slope, its characterized in that: the radial section of the pipe body (1) is oval, annular pipe fittings (5) are fixedly sleeved at two end parts of the pipe body (1), and the wall thickness of each annular pipe fitting (5) is 1/3-1/2 of that of the pipe body (1); the annular pipe fitting front end (4) and the pipe body front end (3) are staggered with each other, the front end face of the annular pipe fitting and the outer wall of the pipe body (1) jointly form a step structure, the width of the staggered position is equal to the width of a welding seam, the tail of the annular pipe fitting (5) is provided with a tooth-shaped opening (2) which is continuously arranged, the width of the tooth-shaped opening (2) is not less than the width of two welding seams, and the outlines of the annular pipe fitting front end (4) and the tooth-shaped opening (2) are used as the welding position where the pipe body (1) is connected with the annular pipe fitting (5).
2. A motorcycle frame main beam tube according to claim 1, characterized in that: the middle part of the outer wall of the pipe body (1) is provided with a protruding part (6), the protruding part (6) and the pipe body (1) are integrally formed, and the inner wall of the pipe body (1) opposite to the protruding part (6) is a straight edge in the vertical direction.
3. A motorcycle frame main beam tube according to claim 2, characterized in that: two convex parts (6) are symmetrically arranged.
4. A motorcycle frame main beam tube according to claim 3, characterized in that: the bulge (6) and the outer wall of the pipe body (1) are in arc transition.
5. A motorcycle frame main beam tube according to claim 2, characterized in that: the convex part (6) adopts a convex rib or a plurality of spherical protrusions arranged at intervals.
6. A motorcycle frame main beam tube according to claim 5, characterized in that: the tooth-shaped opening (2) is rectangular, arc-shaped or triangular.
7. A motorcycle frame main beam tube according to any one of claims 1-6, characterized in that: the annular pipe fitting (5) is formed by two split bodies which are connected in a clamping mode, and the outline of the clamping portion (8) is of a tooth-shaped structure or a labyrinth structure.
8. A motorcycle frame main beam tube according to claim 7, characterized in that: the clamping part (8) of the two split bodies is provided with a gap of 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023123815.9U CN213831971U (en) | 2020-12-21 | 2020-12-21 | Motorcycle frame main beam pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023123815.9U CN213831971U (en) | 2020-12-21 | 2020-12-21 | Motorcycle frame main beam pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213831971U true CN213831971U (en) | 2021-07-30 |
Family
ID=77000382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023123815.9U Active CN213831971U (en) | 2020-12-21 | 2020-12-21 | Motorcycle frame main beam pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213831971U (en) |
-
2020
- 2020-12-21 CN CN202023123815.9U patent/CN213831971U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202242958U (en) | Fuel tank fixing device | |
| CN213831971U (en) | Motorcycle frame main beam pipe | |
| CN205010322U (en) | Installing support subassembly on car front longitudinal | |
| CN213862537U (en) | Electric vehicle frame | |
| CN208515761U (en) | A kind of electro-tricycle modular vehicle frame | |
| CN104943788A (en) | Joint part | |
| CN108545134A (en) | A kind of electro-tricycle modular vehicle frame | |
| CN211592820U (en) | Electric vehicle frame | |
| CN209814183U (en) | Cross-country motorcycle frame | |
| CN208842555U (en) | A kind of lightweight frame of motorcycle | |
| CN211395974U (en) | Heavy steel beam and C shaped steel roof beam tip connection structure convenient to connect | |
| CN211010185U (en) | Double metal pipe fixed bolster | |
| CN216805688U (en) | Two-wheel vehicle frame with sectional type rear clothes hanger | |
| CN211196459U (en) | Motorcycle rear mudguard mounting structure system | |
| CN209972656U (en) | Motorcycle and rear mudguard thereof | |
| CN213016521U (en) | Hook mounting structure of automobile exhaust pipe | |
| CN214534111U (en) | Integral type bearing frame mounting bracket | |
| CN217598759U (en) | Vehicle frame structure | |
| CN218810182U (en) | Overhead guard and industrial vehicle | |
| CN216468106U (en) | Fender and side protection support assembly and vehicle using same | |
| CN217623918U (en) | High main frame left side welding subassembly of stability | |
| CN211196385U (en) | Automobile instrument beam support welding connection structure | |
| CN216546524U (en) | Heavy electric motorcycle frame | |
| CN108248459B (en) | Seat lock plunger assembly and car | |
| CN215001138U (en) | Novel handle connecting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |