CN213502764U - Bicycle frame with large damping stroke - Google Patents
Bicycle frame with large damping stroke Download PDFInfo
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- CN213502764U CN213502764U CN202022694427.XU CN202022694427U CN213502764U CN 213502764 U CN213502764 U CN 213502764U CN 202022694427 U CN202022694427 U CN 202022694427U CN 213502764 U CN213502764 U CN 213502764U
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- fork
- shock absorber
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- frame
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Abstract
A bicycle frame with a large damping stroke comprises a front frame, a rear upper fork, a rear lower fork, a damper seat and a damper, wherein the front frame comprises a head pipe, an upper pipe, a lower pipe and a vertical pipe which are enclosed into a triangle; one end of the rear upper fork is connected with the rear lower fork, the other end of the rear upper fork penetrates through the vertical pipe and then is connected with the shock absorber, the rear lower fork is connected with the vertical pipe, and the shock absorber seat is a triangular block with a triangular side surface. The utility model discloses a mounted position setting of bumper shock absorber and bumper shock absorber seat to and the structural design who forks and back lower fork on bumper shock absorber seat, the back, extremely utilized under the dolly frame narrow and small triangle-shaped space as far as possible, realize big shock attenuation stroke on the dolly frame, improved the holistic deformability of frame, improve the shock attenuation effect.
Description
Technical Field
The utility model relates to a bicycle technical field especially relates to a bicycle frame of big shock attenuation stroke.
Background
In order to improve riding comfort, the shock absorption of the bicycle is generally improved by mounting a shock absorber, and particularly, the requirement on the shock absorption performance is higher for the mountain bike which walks on a complicated and rugged road condition for a long time. Meanwhile, with the pursuit of controllability during riding, the bicycle with the small bicycle frame is welcomed, the wheelbase of the frame is shortened along with the reduction of the frame, the control performance is further improved, and the small bicycle frame also means lighter weight and better frame rigidity. But the dolly frame also means that the frame space is narrow and small, leads to the shock attenuation space on the frame to reduce, and the mounted position of current shock-absorbing structure and bumper shock absorber all is difficult to obtain great shock attenuation stroke on dolly frame bicycle, and the equal mutual fixed connection of fork under and the back of current bicycle or with riser fixed connection, whole frame can't deform and absorb more jolt vibrations moreover for the shock attenuation effect of whole automobile body is not good, influences the travelling comfort of riding.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of above-mentioned prior art, providing a bicycle frame of the big shock attenuation stroke that the frame can be deformed and inhale shake, shock attenuation is effectual.
The utility model discloses a realize through following technical scheme:
a bicycle frame with a large damping stroke comprises a front frame, a rear upper fork, a rear lower fork, a damper seat and a damper, wherein the front frame comprises a head pipe, an upper pipe, a lower pipe and a vertical pipe which are enclosed into a triangle, the head pipe is positioned at the joint of the upper pipe and the lower pipe, the head pipe is connected with the front fork, a saddle is arranged on the vertical pipe, a first connecting piece and a second connecting piece are sequentially arranged on the inner side of the lower pipe, which is close to an inner triangle, from top to bottom, the damper seat is connected with the second connecting piece through a bolt, one end of the damper is connected with the first connecting piece through a bolt, and the other end of the damper is connected with the damper seat through a; one end of the rear upper fork is connected with the rear lower fork, the other end of the rear upper fork penetrates through the vertical pipe and then is connected with the shock absorber through a bolt, and the rear lower fork is connected with the vertical pipe. The shock absorber and the shock absorber seat are located in the triangular area of the front frame, and the positions of the first connecting piece and the second connecting piece on the inner side of the lower pipe can be reasonably arranged according to the size of the shock absorber, the length of the lower pipe and the like. The rear upper fork is connected with the shock absorber through the shock absorber seat, the shock absorption performance of the frame is improved on the premise that the stability of the frame is guaranteed, the triangular space in the front frame is utilized as far as possible by the mounting positions of the shock absorber seat and the shock absorber, and the shock absorption stroke of the trolley frame is increased, so that the shock absorption effect is improved.
As a further optimized technical scheme, the shock absorber seat is a triangular block with a side surface approximately in a triangular shape, and the shock absorber, the second connecting piece and the rear upper fork are respectively connected with three corners of the triangular block through bolts.
As a further optimized technical scheme, the rear upper fork comprises a first bending portion and a second bending portion which are sequentially arranged from top to bottom, the first bending portion enables the upper end of the rear upper fork to have a first bending section which is bent slightly downwards, the second bending portion enables the lower end of the rear upper fork to have a second bending section which is bent towards the vertical pipe, the rear upper fork is connected with the shock absorber through the first bending section, the rear upper fork is connected with the rear lower fork through the second bending section, and the rear wheel assembly is installed on the second bending portion. The rear lower fork is connected with the second bending section of the rear upper fork, the rear wheel assembly is installed on the second bending section, the deformation of the frame can be improved while the rigidity stability of the rear frame is guaranteed, a part of vibration can be absorbed, and the damping and buffering performance of the frame can be further improved by the first bending section and the first bending section.
As a further optimized technical scheme, the rear lower fork comprises a third bending portion, the third bending portion enables the rear lower fork to be provided with a third bending section which is bent upwards slightly, and the rear lower fork is connected with the vertical pipe through the third bending section, so that the space utilization rate of the trolley frame can be improved.
As a further preferable technical solution, a connection fixing portion for connecting the two side members is transversely provided at a position of the rear upper fork near the first bent portion, so as to improve structural rigidity.
As the further optimized technical scheme, the head pipe, the upper pipe, the lower pipe and the stand pipe on the front frame are integrally formed, and the first connecting piece, the second connecting piece and the lower pipe are integrally formed so as to improve the structural stability and the processability.
The utility model utilizes the narrow triangular space under the trolley frame as much as possible through the installation position arrangement of the shock absorber and the shock absorber seat and the structural design of the shock absorber seat, thereby realizing the large shock absorption stroke on the trolley frame and improving the shock absorption effect; through the structural shape design of the rear upper fork and the rear lower fork and the movable connection between the rear upper fork and the rear lower fork, the overall deformation of the frame is improved on the premise of ensuring the stability and rigidity of the frame, the frame can deform to absorb vibration and bump, and the overall shock absorption performance of the frame is further improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic side view of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a shock absorber seat according to an embodiment of the present invention.
Fig. 4 is an exploded view of the rear upper fork and the rear lower fork of the embodiment of the present invention.
Reference numerals: 1-first pipe; 2, feeding a pipe; 3-lower tube; 4-a riser; 5-rear upper fork; 6-rear lower fork; 7-a shock absorber seat; 8-a shock absorber; 31-a first connector; 32-a second connector; 51-a first bend; 52-a second bend; 53-a first bend section; 54-a second bend section; 55-connecting the fixing part; 61-a third bend; 62-third bend section.
Detailed Description
A bicycle frame with a large damping stroke is shown in figures 1 and 2 and comprises a front frame, a rear upper fork 5, a rear lower fork 6, a damper seat 7 and a damper 8, wherein the front frame comprises a head pipe 1, an upper pipe 2, a lower pipe 3 and a vertical pipe 4 which enclose a triangle, the head pipe 1 is located at the joint of the upper pipe 2 and the lower pipe 3, the head pipe 1 is connected with the front fork of a bicycle, a saddle is installed on the vertical pipe 4, and a pedal rotating shaft is installed at the joint of the vertical pipe 4 and the lower pipe 3. The lower tube 3 is close to and has down set gradually first connecting piece 31 and second connecting piece 32 from last on the inboard of interior triangle-shaped, shock absorber seat 7 pass through the bolt with the second connecting piece 32 is connected, 8 one end of shock absorber pass through the bolt with first connecting piece 31 is connected, the other end pass through the bolt with shock absorber seat 7 is connected. One end of the rear upper fork 5 is connected with the rear lower fork 6, the other end of the rear upper fork penetrates through the vertical pipe 4 and then is connected with the shock absorber 8 through a bolt, and the rear lower fork 6 is connected with the vertical pipe 4. The shock absorber 8 and the shock absorber seat 7 are both located in the triangular area of the front frame, and the positions of the first connecting piece 31 and the second connecting piece 32 on the inner side of the lower tube 3 can be reasonably set according to the size of the shock absorber 8, the length of the lower tube 3 and the like. The rear upper fork 5 is connected with the shock absorber 8 through the shock absorber seat 7, the shock absorption performance of the frame is improved on the premise that the stability of the frame is guaranteed, the triangular space in the front frame is utilized as far as possible by the installation positions of the shock absorber seat 7 and the shock absorber 8, the shock absorption stroke of the small frame is increased, and therefore the shock absorption effect is improved.
In one embodiment, as shown in fig. 3, the damper base 7 is a triangular block having a substantially triangular side surface, and the damper 8, the second connecting member 32, and the seat stay 5 are connected to three corners of the triangular block by bolts, respectively.
As an embodiment, in this embodiment, as shown in fig. 2 and 4, the rear upper fork 5 includes a first bending portion 51 and a second bending portion 52 sequentially arranged from top to bottom, the first bending portion 51 enables the upper end of the rear upper fork 5 to have a first bending section 53 slightly bent downward, the second bending portion 52 enables the lower end of the rear upper fork 5 to have a second bending section 54 bent toward the stem 4, the rear upper fork 5 is connected to the shock absorber 8 through the first bending section 53, the rear upper fork 5 is connected to the rear lower fork 6 through the second bending section 54, and the rear wheel assembly is mounted on the second bending portion 52. The rear lower fork 6 is connected with the second bending section 54 of the rear upper fork 5, the rear wheel assembly is arranged on the second bending section 52, the rigidity and stability of the rear frame can be ensured, meanwhile, the deformation of the frame can be improved, a part of vibration and bump can be absorbed, and the damping and buffering performance of the frame can be further improved through the first bending section 51 and the first bending section 53.
In one embodiment, as shown in fig. 2 and 4, in this embodiment, the rear bottom fork 6 includes a third bent portion 61, the third bent portion 61 makes the rear bottom fork 6 have a third bent section 62 that is bent slightly upward, and the rear bottom fork 6 is connected to the seat tube 4 through the third bent section 62, so that the space utilization rate of the stroller frame can be improved.
In one embodiment, as shown in fig. 1, the rear upper fork 5 is transversely provided with a connecting and fixing portion 55 near the first bent portion 51 for connecting the two side members, the rear upper fork 5 and the rear lower fork 6 are divided into left and right sides, the rear wheel is mounted between the left and right sides of the rear upper fork 5 and the rear lower fork 6, and the left and right sides are connected by the connecting and fixing portion 55, so that the rigidity of the structure of the rear upper fork 5 can be improved.
As one embodiment, in this embodiment, as shown in fig. 1 and 2, the head tube 1, the upper tube 2, the lower tube 3 and the stand tube 4 on the front frame are integrally formed, and the first connecting member 31 and the second connecting member 32 are integrally formed with the lower tube 3, so as to improve structural stability and processability.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (6)
1. A bicycle frame with a large shock absorption stroke is characterized by comprising a front frame, a rear upper fork, a rear lower fork, a shock absorber seat and a shock absorber, wherein the front frame comprises a first pipe, an upper pipe, a lower pipe and a vertical pipe which are enclosed into a triangle; one end of the rear upper fork is connected with the rear lower fork, the other end of the rear upper fork penetrates through the vertical pipe and then is connected with the shock absorber through a bolt, and the rear lower fork is connected with the vertical pipe.
2. The bicycle frame with a large damping stroke according to claim 1, wherein the damper base is a triangular block with triangular side surfaces, and the damper, the second connecting member and the rear upper fork are respectively connected with three corners of the triangular block through bolts.
3. The bicycle frame with a large damping stroke according to claim 1, wherein the rear upper fork comprises a first bending portion and a second bending portion sequentially arranged from top to bottom, the first bending portion enables the upper end of the rear upper fork to have a first bending section which is slightly bent downwards, the second bending portion enables the lower end of the rear upper fork to have a second bending section which is bent towards the vertical tube, the rear upper fork is connected with the shock absorber through the first bending section, the rear upper fork is connected with the rear lower fork through the second bending section, and the rear wheel assembly is mounted on the second bending portion.
4. The bicycle frame with a large damping stroke according to claim 3, wherein the rear under fork comprises a third bending part, the third bending part enables the rear under fork to have a third bending section which is bent upwards slightly, and the rear under fork is connected with the vertical pipe through the third bending section.
5. The bicycle frame with a large damping stroke as claimed in claim 3, wherein the rear upper fork is transversely provided with a connecting fixing portion connecting the two side members near the first bent portion.
6. The bicycle frame with large damping stroke as claimed in claim 1, wherein the head tube, the upper tube, the lower tube and the stand tube of the front frame are integrally formed, and the first connecting member and the second connecting member are integrally formed with the lower tube.
Priority Applications (1)
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CN202022694427.XU CN213502764U (en) | 2020-11-19 | 2020-11-19 | Bicycle frame with large damping stroke |
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CN202022694427.XU CN213502764U (en) | 2020-11-19 | 2020-11-19 | Bicycle frame with large damping stroke |
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CN213502764U true CN213502764U (en) | 2021-06-22 |
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CN202022694427.XU Active CN213502764U (en) | 2020-11-19 | 2020-11-19 | Bicycle frame with large damping stroke |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023050489A1 (en) * | 2021-09-28 | 2023-04-06 | 惠州市美源吉体育用品有限公司 | Shock-absorbing frame suitable for shock-absorbing vehicle |
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2020
- 2020-11-19 CN CN202022694427.XU patent/CN213502764U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023050489A1 (en) * | 2021-09-28 | 2023-04-06 | 惠州市美源吉体育用品有限公司 | Shock-absorbing frame suitable for shock-absorbing vehicle |
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