CN211223738U - Electric cross-country bicycle frame - Google Patents
Electric cross-country bicycle frame Download PDFInfo
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- CN211223738U CN211223738U CN201922087847.9U CN201922087847U CN211223738U CN 211223738 U CN211223738 U CN 211223738U CN 201922087847 U CN201922087847 U CN 201922087847U CN 211223738 U CN211223738 U CN 211223738U
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Abstract
An electric cross-country bicycle frame comprises a head tube, a middle beam mechanism, a five-way joint, a tail fork and a shock-absorbing spring, wherein the five-way joint is arranged at the front end of the lower part of the middle tube; the lower part of well pipe still is equipped with the first articulated seat that is used for articulated tail fork, and first articulated seat includes fixed part and articulated portion, and the fixed part is including two first connecting plates of the cover body and two second connecting plates, and the tip of first connecting plate extends to a supporting beam's side and fixed with a supporting beam, and the tip of second connecting plate extends to five-way department and is fixed with five-way, welded fastening between first articulated seat, well pipe, a supporting beam and the five-way. Adopt above-mentioned technical scheme, first connecting plate and well pipe and a supporting beam welding, second connecting plate and well pipe and five-way welding have increased the bulk strength between first articulated seat, well pipe, five-way and the supporting beam.
Description
Technical Field
The utility model belongs to the technical field of the electric bicycle technique and specifically relates to an electrodynamic type cross country bicycle frame.
Background
The electric cross-country bicycle is usually used under unconventional terrains such as snowfield, mud, sandy beach, consequently has provided higher requirement to the intensity of frame, and on the frame of current electric cross-country bicycle, with articulated seat of tail fork only weld alone on well pipe, intensity is not enough, can not be fine satisfy the intensity requirement, consequently need improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electrodynamic type cross country bicycle frame has the advantage that intensity is high. In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electric cross-country bicycle frame comprises a head tube, a middle beam mechanism arranged between the head tube and the middle tube, a five-way joint, a tail fork arranged at the rear end of the middle tube and a shock absorbing spring arranged between the tail fork and the middle tube, wherein the five-way joint is arranged at the front end of the lower part of the middle tube, a supporting beam is connected between the five-way joint and the middle beam mechanism, and the middle tube, the supporting beam and the middle beam mechanism form a triangular stable structure; the lower part of well pipe still is equipped with the first articulated seat that is used for articulated tail fork, first articulated seat includes the fixed part and establishes the articulated portion at the fixed part rear end, the fixed part is established the cover body in well pipe lower part including the cover, establish two first connecting plates that the interval set up about the cover body front end and establish two second connecting plates that the interval set up about the cover body lower part, and the tip of first connecting plate extends to a supporting beam's side and is fixed with a supporting beam, the tip of second connecting plate extends to five-way department and is fixed with five-way, welded fastening between first articulated seat, well pipe, a supporting beam and the five-way.
Furthermore, the middle beam mechanism comprises a front beam, a rear beam and a folder arranged between the front beam and the rear beam, two ends of the front beam are respectively connected with the head pipe and the folder, two ends of the rear beam are respectively connected with the middle tube and the folder, the bottom end of the supporting beam is welded with the top of the five-way pipe, the top end of the supporting beam is welded with the bottom of the rear beam, a reinforcing beam is further arranged between the top of the rear beam and the middle tube, the bottom end of the reinforcing beam is welded on the top of the rear beam, and the top end of the reinforcing beam is welded on the middle tube.
Furthermore, the front beam and the rear beam are of hollow structures, a battery accommodating cavity is formed in the front beam, a controller accommodating cavity is formed in the rear beam, and a wire outlet leading to the controller accommodating cavity is formed in the bottom of the rear beam.
Further, the front end of tail fork articulates on first articulated seat, the tail fork includes the last fork body, the lower fork body, fork piece and head rod, the slope of the last fork body sets up downwards and backward, the rear end of the last fork body passes through the fork piece with the rear end of the lower fork body and is connected, the front end of the last fork body is connected through the head rod with the front end of the lower fork body, the junction of head rod and the last fork body is equipped with the articulated seat of second, the rear end of well pipe is equipped with the third articulated seat, shock-absorbing spring establishes between the articulated seat of second and third articulated seat, shock-absorbing spring's both ends are articulated with the articulated seat of second and third articulated seat respectively.
Furthermore, the hinge part comprises two hinge plates arranged at left and right intervals, hinge holes are formed in the hinge plates, a hinge pipe is arranged at the joint of the lower fork body and the first connecting rod, and the hinge pipe extends into the space between the two hinge plates.
Further, the head rod is square pipe, the top of square pipe forms the mounting groove, the articulated seat of second is including establishing the boss in the bottom, the boss is established in the mounting groove and welded fastening, welded fastening between the articulated seat of second and the last fork body.
Furthermore, go up the fork body and include two upper forks poles that bilateral symmetry set up, the rear end and the fork piece welded fastening of upper forks pole, welded fastening between the front end of two upper forks poles and the articulated seat of second.
Further, the lower fork body includes two lower forks that bilateral symmetry set up, the rear end and the fork piece welded fastening of lower fork, welded fastening between the front end of two lower forks and the articulated pipe are equipped with the second connecting rod between two lower forks, the both ends of second connecting rod weld respectively on the inner wall of two lower forks.
Furthermore, the head pipe comprises an upper pipe opening and a lower pipe opening, and the wall thickness of the pipe opening is 8-12 mm.
Adopt above-mentioned technical scheme, with the articulated first articulated seat of tail-gate, not only alone well pipe welding still extends first connecting plate and second connecting plate, first connecting plate and well pipe and supporting beam welding, the second connecting plate has increased the bulk strength between first articulated seat, well pipe, five-way and the supporting beam with well pipe and five-way welding.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, an electric cross-country bicycle frame comprises a head tube 1, a middle tube 2, a middle beam mechanism 3 arranged between the head tube 1 and the middle tube 2, a five-way 4, a tail fork arranged at the rear end of the middle tube 2 and a shock absorbing spring 5 arranged between the tail fork and the middle tube 2, wherein the five-way 4 is arranged at the front end of the lower part of the middle tube 2, a supporting beam 6 is connected between the five-way 4 and the middle beam mechanism 3, and the middle tube 2, the supporting beam 6 and the middle beam mechanism 3 form a triangular stable structure; well pipe 2's lower part still is equipped with first articulated seat 7 that is used for articulated tail fork, first articulated seat 7 includes the fixed part and establishes the articulated portion at the fixed part rear end, the fixed part is established including the cover body 8 of well pipe 2 lower part and establishing two first connecting plates 9 that the interval set up about the cover body 8 front end and establishing two second connecting plates 10 that the interval set up about the cover body 8 lower part, the tip of first connecting plate 9 extends to a supporting beam 6's side and is fixed with a supporting beam 6, the tip of second connecting plate 10 extends to five-way 4 departments and is fixed with five-way 4, first articulated seat 7, well pipe 2, welded fastening between supporting beam 6 and the five-way 4. Adopt above-mentioned technical scheme, with the articulated first articulated seat 7 of tail-gate, not only alone with well 2 welding, still extend first connecting plate 9 and second connecting plate 10, first connecting plate 9 and well 2 and a supporting beam 6 welding, second connecting plate 10 and well 2 and five-way 4 welding have increased the bulk strength between first articulated seat 7, well 2, five-way 4 and a supporting beam 6.
As a preferable scheme, the middle beam mechanism 3 comprises a front beam 11, a rear beam 12 and a folder 13 arranged between the front beam 11 and the rear beam 12, two ends of the front beam 11 are respectively connected with the head pipe 1 and the folder 13, two ends of the rear beam 12 are respectively connected with the middle pipe 2 and the folder 13, the bottom end of the supporting beam 6 is welded with the top of the five-way pipe 4, the top end of the supporting beam 6 is welded with the bottom of the rear beam 12, a reinforcing beam 14 is further arranged between the top of the rear beam 12 and the middle pipe 2, the bottom end of the reinforcing beam 14 is welded with the top of the rear beam 12, and the top end of the reinforcing beam 14 is welded on the middle pipe 2. Adopt above-mentioned preferred scheme, can realize the folding function of frame, conveniently accomodate, the setting of stiffening beam 14 further improves frame strength.
Preferably, the front beam 11 and the rear beam 12 are hollow structures, a battery accommodating cavity is formed inside the front beam 11, a controller accommodating cavity is formed inside the rear beam 12, and a wire outlet leading to the controller accommodating cavity is formed at the bottom of the rear beam 12. Adopt above-mentioned preferred scheme, back beam 12 and front beam 11 are located folder 13 one end and are equipped with respectively and place the mouth, open folder 13, and the battery is put into the battery through placing the mouth and is held the chamber, and the controller is put into the controller through placing the mouth and holds the chamber, can hide controller and battery, improves the aesthetic property.
As a preferable scheme, the front end of the tail fork is hinged on the first hinge seat 7, the tail fork comprises an upper fork body 15, a lower fork body 16, a fork piece 17 and a first connecting rod 18, the upper fork body 15 is obliquely arranged downwards and backwards, the rear end of the upper fork body 15 is connected with the rear end of the lower fork body 16 through the fork piece 17, the front end of the upper fork body 15 is connected with the front end of the lower fork body 16 through the first connecting rod 18, a second hinge seat 19 is arranged at the joint of the first connecting rod 18 and the upper fork body 15, a third hinge seat 20 is arranged at the rear end of the middle pipe 2, the shock-absorbing spring 5 is arranged between the second hinge seat 19 and the third hinge seat 20, and two ends of the shock-absorbing spring 5 are hinged with the second hinge seat 19 and the third hinge seat 20 respectively. The hinge part of the first hinge seat 7 comprises two hinge plates 21 arranged at left and right intervals, hinge holes are arranged on the hinge plates 21, a hinge pipe 22 is arranged at the joint of the lower fork 16 and the first connecting rod 18, and the hinge pipe 22 extends between the two hinge plates 21. By adopting the preferable scheme, the upper fork body 15, the lower fork body 16 and the first connecting rod 18 form a stable triangular structure, and the strength of the tail fork part is improved.
Go up forked body 15 and first connecting rod 18's concrete connection as follows, first connecting rod 18 is square pipe, and the top of square pipe forms the mounting groove, and articulated seat 19 of second is including establishing the boss in the bottom, and the boss is established in the mounting groove and welded fastening, and welded fastening is between articulated seat 19 of second and the last forked body 15.
The upper fork body 15 and the lower fork body 16 are specifically structured as follows, the upper fork body 15 comprises two upper fork rods 23 which are arranged in bilateral symmetry, the rear ends of the upper fork rods 23 are welded and fixed with the fork sheets 17, and the front ends of the two upper fork rods 23 are welded and fixed with the second hinge seats 19. The lower fork body 16 comprises two lower fork rods 24 which are arranged in bilateral symmetry, the rear ends of the lower fork rods 24 are welded and fixed with the fork pieces 17, the front ends of the two lower fork rods 24 are welded and fixed with the hinged pipe 22, a second connecting rod 25 is arranged between the two lower fork rods 24, and two ends of the second connecting rod 25 are respectively welded on the inner walls of the two lower fork rods 24. With the above-described preferred embodiment of the present invention,
as a preferred scheme, the head pipe 1 comprises an upper pipe orifice and a lower pipe orifice, and the wall thickness of the pipe orifices is 8-12 mm. By adopting the preferable scheme, the strength of the head pipe 1 can be effectively ensured for being suitable for off-road terrains.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but is intended to cover various modifications, combinations, and alternatives, which will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an electric cross-country bicycle frame, includes head tube, well pipe, establishes well roof beam mechanism, five-way, establishes the tail fork at well pipe rear end and establishes the suspension spring between tail fork and well pipe between head tube and well pipe, its characterized in that: the five-way is arranged at the front end of the lower part of the middle pipe, a supporting beam is connected between the five-way and the middle beam mechanism, and the middle pipe, the supporting beam and the middle beam mechanism form a triangular stable structure;
the lower part of well pipe still is equipped with the first articulated seat that is used for articulated tail fork, first articulated seat includes the fixed part and establishes the articulated portion at the fixed part rear end, the fixed part is established the cover body in well pipe lower part including the cover, establish two first connecting plates that the interval set up about the cover body front end and establish two second connecting plates that the interval set up about the cover body lower part, and the tip of first connecting plate extends to a supporting beam's side and is fixed with a supporting beam, the tip of second connecting plate extends to five-way department and is fixed with five-way, welded fastening between first articulated seat, well pipe, a supporting beam and the five-way.
2. The electric cross-country bicycle frame according to claim 1, wherein: the middle beam mechanism comprises a front beam, a rear beam and a folder arranged between the front beam and the rear beam, wherein two ends of the front beam are respectively connected with a head pipe and the folder, two ends of the rear beam are respectively connected with a middle tube and the folder, the bottom end of the supporting beam is welded with the top of the five-way tube, the top end of the supporting beam is welded with the bottom of the rear beam, a reinforcing beam is further arranged between the top of the rear beam and the middle tube, the bottom end of the reinforcing beam is welded on the top of the rear beam, and the top end of the reinforcing beam is welded on the middle tube.
3. The electric cross-country bicycle frame according to claim 2, wherein: the front beam and the rear beam are of hollow structures, a battery accommodating cavity is formed in the front beam, a controller accommodating cavity is formed in the rear beam, and a wire outlet leading to the controller accommodating cavity is formed in the bottom of the rear beam.
4. The electric cross-country bicycle frame according to claim 1, wherein: the front end of tail fork articulates on first articulated seat, the tail fork includes the last fork body, the lower fork body, fork piece and head rod, go up the slope of the fork body and set up downwards and backward, the rear end of going up the fork body passes through the fork piece with the rear end of the lower fork body and is connected, the front end of going up the fork body is connected through the head rod with the front end of the lower fork body, the junction of head rod and the last fork body is equipped with the articulated seat of second, the rear end of well pipe is equipped with the third articulated seat, shock-absorbing spring establishes between the articulated seat of second and third articulated seat, shock-absorbing spring's both ends are articulated with the articulated seat of second and third articulated seat respectively.
5. The electric cross-country bicycle frame according to claim 4, wherein: the hinged part comprises two hinged plates arranged at left and right intervals, hinged holes are formed in the hinged plates, a hinged pipe is arranged at the joint of the lower fork body and the first connecting rod, and the hinged pipe extends into the space between the two hinged plates.
6. The electric cross-country bicycle frame according to claim 4, wherein: the utility model discloses a bearing support of a bicycle, including the articulated seat of second, the articulated seat of second is including establishing the boss in the bottom, the boss is established in the mounting groove and welded fastening, welded fastening between the articulated seat of second and the last fork body.
7. The electric cross-country bicycle frame according to claim 4, wherein: the upper fork body comprises two upper fork rods which are arranged in bilateral symmetry, the rear ends of the upper fork rods are welded and fixed with the fork pieces, and the front ends of the two upper fork rods are welded and fixed with the second hinge seats.
8. The electric cross-country bicycle frame according to claim 5, wherein: the lower fork body comprises two lower fork rods which are arranged in a bilateral symmetry mode, the rear ends of the lower fork rods are fixedly welded with the fork pieces, the front ends of the two lower fork rods are fixedly welded with the hinged pipe, a second connecting rod is arranged between the two lower fork rods, and the two ends of the second connecting rod are respectively welded on the inner walls of the two lower fork rods.
9. The electric cross-country bicycle frame according to claim 1, wherein: the head pipe comprises an upper pipe opening and a lower pipe opening, and the wall thickness of the pipe opening is 8-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922087847.9U CN211223738U (en) | 2019-11-28 | 2019-11-28 | Electric cross-country bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922087847.9U CN211223738U (en) | 2019-11-28 | 2019-11-28 | Electric cross-country bicycle frame |
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| Publication Number | Publication Date |
|---|---|
| CN211223738U true CN211223738U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922087847.9U Active CN211223738U (en) | 2019-11-28 | 2019-11-28 | Electric cross-country bicycle frame |
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| Country | Link |
|---|---|
| CN (1) | CN211223738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071590A (en) * | 2021-04-20 | 2021-07-06 | 无锡市佰格运动科技有限公司 | Novel high-strength bicycle frame and manufacturing method thereof |
-
2019
- 2019-11-28 CN CN201922087847.9U patent/CN211223738U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071590A (en) * | 2021-04-20 | 2021-07-06 | 无锡市佰格运动科技有限公司 | Novel high-strength bicycle frame and manufacturing method thereof |
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