CN216636742U - Rocker arm structure of rear shock absorber - Google Patents
Rocker arm structure of rear shock absorber Download PDFInfo
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- CN216636742U CN216636742U CN202123456247.9U CN202123456247U CN216636742U CN 216636742 U CN216636742 U CN 216636742U CN 202123456247 U CN202123456247 U CN 202123456247U CN 216636742 U CN216636742 U CN 216636742U
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Abstract
The application relates to a rear shock absorber rocker arm structure which comprises a vehicle frame main body and a rear rocker arm, wherein the rear rocker arm is rotationally connected to the vehicle frame main body and is rotationally connected with a first rotating frame; one end of the first rotating frame, which is far away from the connecting point of the frame main body and the rear rocker arm, is rotatably connected with a shock absorber, and one end of the shock absorber, which is far away from the first rotating frame, is rotatably connected with the frame main body; one end of the first rotating frame, which is far away from the shock absorber, is rotatably connected with a second rotating frame; one end of the second rotating frame, which is far away from the first rotating frame, is rotatably connected to the frame main body. Set up first rotating turret and second rotating turret, increased the arm of force of bumper shock absorber to frame main part and back rocking arm hookup point department, reduced the effort that the bumper shock absorber received, and then reduced the effort that transmits to the frame main part through the bumper shock absorber, improved the travelling comfort.
Description
Technical Field
The application relates to the technical field of rocker arm structures, and more particularly, to a rear shock absorber rocker arm structure.
Background
The motorcycle rear suspension is one of the important components of the motorcycle, and directly influences the performances of the motorcycle, such as running smoothness, stability, fuel economy and the like.
For example, the patent publication No. CN214296293U, a frame assembly and a two-wheeled vehicle, the frame assembly includes a frame main body, a rear rocker arm and a shock absorber, the frame main body includes a left side main beam, a right side main beam and a rear rocker arm connecting part, a predetermined space is provided between the left side main beam and the right side main beam, the rear rocker arm connecting part is arranged between the left side main beam and the right side main beam, and the rear rocker arm connecting part is arranged below the left side main beam and the right side main beam; the rear rocker arm is provided with a frame connecting structure, the frame connecting structure is rotatably connected with the frame main body through a rear rocker arm connecting part, and the rear end of the rear rocker arm is provided with a rear wheel connecting structure; one end of the shock absorber is connected with the frame main body, and the other end of the shock absorber is connected with the rear rocker arm.
Aiming at the related technology, because the two ends of the shock absorber are respectively and directly connected with the frame main body and the rear rocker arm, the shock absorber is softer to adjust and calibrate, and the road surface can obviously shake slightly due to fluctuation, so that drivers and passengers can easily dizziness; the shock absorber is relatively hard to adjust, when the shock absorber meets bumpy road surfaces, most impact force can be transmitted to the frame body, a driver can feel strong bumpy, and the driving experience is influenced. Therefore, the existing rocker arm structure of the rear shock absorber has the defect of poor comfort and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In order to improve the travelling comfort, this application provides a rear shock absorber rocker structure.
The application provides a pair of rear shock absorber rocker arm structure adopts following technical scheme:
a rear shock absorber rocker arm structure comprises a vehicle frame main body and a rear rocker arm, wherein the rear rocker arm is rotatably connected to the vehicle frame main body, the rear rocker arm is rotatably connected with a first rotating frame, and the rotating axes of the first rotating frame and the rear rocker arm are parallel to the rotating axes of the vehicle frame main body and the rear rocker arm;
one end of the first rotating frame, which is far away from the connecting point of the frame main body and the rear rocker arm, is rotatably connected with a shock absorber, and one end of the shock absorber, which is far away from the first rotating frame, is rotatably connected with the frame main body;
one end of the first rotating frame, which is far away from the shock absorber, is rotatably connected with a second rotating frame, and the rotating axes of the first rotating frame and the second rotating frame are parallel to the rotating axes of the first rotating frame and the rear rocker arm;
one end of the second rotating frame, which is far away from the first rotating frame, is rotatably connected to the frame main body, and the rotating axis of the second rotating frame and the frame main body is parallel to the rotating axis of the second rotating frame and the rotating axis of the first rotating frame.
Through the technical scheme, the first rotating frame and the second rotating frame are arranged, and the shock absorber is indirectly connected with the rear rocker arm through the first rotating frame; through the atress analysis, the tie point of bumper shock absorber and first revolving rack reaches the arm of force of junction department of back rocking arm and frame main part, the tie point that will be greater than back rocking arm and first revolving rack reaches the arm of force of junction department of back rocking arm and frame main part, under the unchangeable condition of ground impact force that the back rocking arm received, compare in the structure that bumper shock absorber and back rocking arm directly link, the arm of force of shock absorber to frame main part and back rocking arm junction department has been increased, the effort that the bumper shock absorber received has been reduced, and then the effort that has reduced through the bumper shock absorber transmission to frame main part, the travelling comfort has been improved.
Optionally, the first rotating frame is arched, and two ends of the first rotating frame are bent towards the frame body.
Through above-mentioned technical scheme, set up first revolving rack and be the arch, when first revolving rack receives the impact force from rocking arm down, the setting of first revolving rack arch can be better dispersion impact force, improves the structural stability of first revolving rack.
Optionally, the rear rocker arm includes a left half arm, a right half arm, and a first connecting arm and a second connecting arm that connect the left half arm and the right half arm, and the first connecting arm is used for connecting with the second rotating frame;
the end face, facing the left half arm, of the right half arm is provided with a first pressing groove;
and a second pressing groove is formed in the end face, facing the right half arm, of the left half arm.
Through above-mentioned technical scheme, set up first indent and second indent, reduce the used material of half arm on the left side and half arm on the right side, alleviate the weight of half arm on the left side and half arm on the right side, improve holistic lightweight level.
Optionally, a plurality of first reinforcing ribs are arranged at the bottom of the first pressing groove;
and a plurality of second reinforcing ribs are arranged at the bottom of the second pressing groove.
Through above-mentioned technical scheme, set up first strengthening rib and second strengthening rib, improved the structural strength of half arm on the left side and half arm on the right side.
Optionally, the end face of the right half arm deviating from the left half arm is provided with a first through groove, and the end face of the left half arm deviating from the right half arm is provided with a second through groove.
Through above-mentioned technical scheme, set up first logical groove and second and lead to the groove, reduce the material of half arm on the left side and half arm on the right side, alleviate the weight of half arm on the left side and half arm on the right side, improve holistic lightweight level.
Optionally, the groove type of the first through groove and the groove type of the second through groove are triangular pyramid.
Through above-mentioned technical scheme, the cell type that sets up first logical groove and second logical groove all is three pyramid types for good structural stability has between the lateral wall that first logical groove and second logical groove, improves the structural strength of half arm on the left side and half arm on the right side.
Optionally, a third press groove is formed in an end surface of the first connecting arm, which faces away from the first rotating frame.
Through above-mentioned technical scheme, set up the third and press the recess, reduce the material on the first connecting arm, reduce the weight of first connecting arm, improve holistic lightweight level.
Optionally, a third reinforcing rib is arranged in the third pressing groove, and the third reinforcing rib is arranged right opposite to the connection point of the first connection arm and the first rotating frame along the direction in which the first connection arm is far away from the first rotating frame.
Through above-mentioned technical scheme, set up the third strengthening rib, strengthen the intensity of first connecting arm, and then strengthen the structural strength of first connecting arm and first revolving rack hookpoint department when the back rocking arm receives the impact, improve the stability in the whole use.
Optionally, the rear rocker arm is made of 6061-T6.
Through the technical scheme, the rear rocker arm is made of 6061-T6, and the 6061-T6 has high strength and good processing performance, so that the oxidation effect is good, sand holes are not easy to generate in the processing process, the flatness is good, the processing efficiency can be improved, and the material cost is reduced.
Optionally, the rear rocker arm is formed by forging.
Through above-mentioned technical scheme, through the mode of forging processing back rocking arm, can eliminate back rocking arm and produce in the smelting defect such as cast condition porosity, optimize microstructure, and can be comparatively complete preserve the metal streamline for the mechanical properties of forging fashioned back rocking arm will be superior to the mechanical properties of casting fashioned back rocking arm, improves holistic structural strength.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) the shock absorber is indirectly connected with the rear rocker arm through the first rotating frame and the second rotating frame; through stress analysis, the force arm from the connecting point of the shock absorber and the first rotating frame to the connecting point of the rear rocker arm and the frame main body is larger than the force arm from the connecting point of the rear rocker arm and the first rotating frame to the connecting point of the rear rocker arm and the frame main body, and under the condition that the ground impact force on the rear rocker arm is unchanged, compared with a structure that the shock absorber is directly connected with the rear rocker arm, the force arm from the shock absorber to the connecting point of the frame main body and the rear rocker arm is increased, the acting force on the shock absorber is reduced, the acting force transmitted to the frame main body through the shock absorber is further reduced, and the comfort is improved;
(2) by arranging the first pressing groove and the second pressing groove, materials used by the left half arm and the right half arm are reduced, the weight of the left half arm and the right half arm is reduced, and the whole light weight level is improved;
(3) through setting up first strengthening rib and second strengthening rib, improved the structural strength of half arm on the left side and half arm on the right side.
Drawings
Fig. 1 is a schematic overall structure diagram of the present embodiment.
Fig. 2 is a schematic overall structure diagram of the present embodiment, which is used for showing a structure of the first indent.
Fig. 3 is a schematic overall structure diagram of the present embodiment, which is used for showing a structure of the second indent.
Fig. 4 is a schematic overall structure diagram of the present embodiment, which is used for showing a structure of the third indent.
Reference numerals: 1. a frame main body; 2. a rear rocker arm; 201. a right half arm; 202. a left half arm; 203. a first connecting arm; 204. a second connecting arm; 3. a first rotating frame; 4. a second rotating frame; 5. a shock absorber; 6. a first press groove; 7. a first reinforcing rib; 8. a second pressing groove; 9. a second reinforcing rib; 10. a first through groove; 11. a second through groove; 12. pressing the groove for the third time; 13. and a third reinforcing rib.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses rear shock absorber rocker arm structure.
Referring to fig. 1 and 2, the vehicle body 1 and the rear swing arm 2 are included, and the rear swing arm 2 includes a right half arm 201, a left half arm 202, a first connecting arm 203, and a second connecting arm 204. The left half-arm 202 and the right half-arm 201 are rotatably connected to two side walls in the width direction of the frame body 1, respectively, and the left half-arm 202 and the right half-arm 201 are parallel to each other. Two ends of the first connecting arm 203 in the length direction are respectively connected to two opposite end faces of the left half arm 202 and the right half arm 201, two ends of the second connecting arm 204 in the length direction are respectively connected to two opposite end faces of the left half arm 202 and the right half arm 201, and the length direction of the first connecting arm 203 is parallel to the length direction of the second connecting arm 204.
The first link arm 203 is rotatably connected with the first rotating frame 3, and the direction of the rotation axis of the first rotating frame 3 and the first link arm 203 is parallel to the length direction of the first link arm 203. The first rotating frame 3 is formed in an arch shape as a whole, and both ends of the first rotating frame 3 are bent in a direction away from the first connecting arm 203.
One end of the first rotating frame 3 close to the frame body 1 is rotatably connected with a second rotating frame 4, and the direction of the rotating axis of the second rotating frame 4 and the first rotating frame 3 is parallel to the length direction of the first connecting arm 203. One end of the second rotating frame 4 far away from the first rotating frame 3 is rotatably connected with the frame main body 1, and the direction of the rotating axis of the second rotating frame 4 and the frame main body 1 is parallel to the length direction of the first connecting arm 203.
The end of the first rotating frame 3 far away from the frame body 1 is rotatably connected with a damper 5, and the rotating axes of the first rotating frame 3 and the damper 5 are parallel to the length direction of the first connecting arm 203. One end of the shock absorber 5 far away from the first rotating frame 3 is rotatably connected with the frame body 1, and the rotation axes of the shock absorber 5 and the frame body 1 are parallel to the length direction of the first connecting arm 203.
In actual use, when the rear swing arm 2 is impacted by the ground, the impact force of the ground is transmitted to the first connecting arm 203 through the left half arm 202 and the right half arm 201, the first connecting arm 203 transmits the impact force to the first rotating frame 3, and the first rotating frame 3 transmits the impact force to the frame body 1 through the shock absorber 5 and the second rotating frame 4.
The rotation tie point that sets up first revolving rack 3 and first connecting arm 203 is first stress point, and the one end that frame main part 1 was kept away from to bumper shock absorber 5 is the second stress point with the rotation tie point of first revolving rack 3, and the rotation tie point of back rocking arm 2 and frame main part 1 is main stress point. During the process that the rear rocker arm 2 is impacted by the ground, one end of the shock absorber 5, which is far away from the frame body 1, the first rotating frame 3 and the rear rocker arm 2 rotate relatively around the frame body 1. Because the arm of force of second force point to main force point will be greater than the arm of force of first force point to main force point, receives the unchangeable circumstances of ground impact force, the effort that bumper shock absorber 5 received will be less than the structure that traditional bumper shock absorber directly links to the back rocking arm, has reduced bumper shock absorber 5 to frame main part 1 feedback on the effort for frame main part 1 is driving the holistic shake of in-process less, has improved the travelling comfort.
Referring to fig. 2 and 3, a first indent 6 is formed in the end surface of the right half arm 201 facing the left half arm 202, and a plurality of first reinforcing ribs 7 are fixed at the bottom of the first indent 6.
The end surface of the left half arm 202 facing the right half arm 201 is provided with a second press groove 8, and the bottom of the second press groove 8 is fixed with a plurality of second reinforcing ribs 9. Through setting up first indent 6, second indent 8 and alleviate the whole quality of left half arm 202 and right half arm 201, improve the lightweight level, and set up first strengthening rib 7 and second strengthening rib 9, guaranteed the structural strength of left half arm 202 and right half arm 201 when seting up first indent 6 and second indent 8.
The end face of the right half arm 201 departing from the left half arm 202 is provided with a first through groove 10, the groove shape of the first through groove 10 is triangular pyramid, and the notch of the first through groove 10 close to the left half arm 202 is smaller than the notch of the first through groove 10 far away from the left half arm 202. The end face of the left half arm 202 departing from the right half arm 201 is provided with a second through groove 11, the groove shape of the second through groove 11 is a triangular pyramid shape, and the notch of the second through groove 11 close to the right half arm 201 is smaller than the notch of the second through groove 11 far from the right half arm 201. Through set up first logical groove 10 on half right arm 201, set up second logical groove 11 on half left arm 202, reduce half right arm 201 and half left arm 202's materials, alleviate the whole quality of half left arm 202 and half right arm 201, further improve holistic lightweight degree, and have the principle of stability through the triangle-shaped, the cell type that sets up first logical groove 10 and second logical groove 11 all is three pyramid type, has kept half right arm 201 and half left arm 202's structural strength.
Referring to fig. 4, a third indent 12 is formed in an end surface of the first connecting arm 203 away from the first rotating frame 3, a third rib 13 is fixed at a bottom of the third indent 12, and the third rib 13 faces a rotating connection point of the first connecting arm 203 and the first rotating frame 3 along a direction in which the first connecting arm 203 is far away from the first rotating frame 3. Through set up third indent 12 on first linking arm 203, further improve holistic lightweight level, through setting up third strengthening rib 13, improve holistic structural strength.
Referring to fig. 1, the rear rocker arm 2, the first rotating frame 3 and the second rotating frame 4 are all made of 6061-T6, and 6061-T6 has high strength, good processing performance and good oxidation effect, is not easy to generate sand holes in the processing process, has good flatness, and can improve the processing efficiency and reduce the material cost.
The rear rocker arm 2, the first rotating frame 3 and the second rotating frame 4 are formed by forging, the defects of casting state looseness and the like generated in the smelting process can be eliminated by a forging mode, the microstructure is optimized, a metal streamline can be completely stored, the mechanical performance of the rear rocker arm 2, the first rotating frame 3 and the second rotating frame 4 formed by forging is superior to that of the casting forming, and the integral structural strength is improved.
The working principle of the embodiment is as follows: when the rear rocker arm 2 is impacted, the rear rocker arm 2 transmits impact force to the second rotating frame 4 and the shock absorber 5 through the first rotating frame 3, and the shock absorber 5 and the second rotating member transmit the impact force to the frame main body 1; the feedback of the impact force applied to the shock absorber 5 to the frame main body 1 is reduced by increasing the force arm from the shock absorber 5 to the rotary connection point of the rear rocker arm 2 and the frame main body 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a rear shock absorber rocker arm structure, includes frame main part (1) and back rocking arm (2), back rocking arm (2) rotate to be connected in frame main part (1), its characterized in that: the rear rocker arm (2) is rotatably connected with a first rotating frame (3), and the rotating axes of the first rotating frame (3) and the rear rocker arm (2) are parallel to the rotating axes of the frame main body (1) and the rear rocker arm (2);
one end, far away from the connection point of the frame main body (1) and the rear rocker arm (2), of the first rotating frame (3) is rotatably connected with a shock absorber (5), and one end, far away from the first rotating frame (3), of the shock absorber (5) is rotatably connected with the frame main body (1);
one end, far away from the shock absorber (5), of the first rotating frame (3) is rotatably connected with a second rotating frame (4), and the rotating axes of the first rotating frame (3) and the second rotating frame (4) are parallel to the rotating axes of the first rotating frame (3) and the rear rocker arm (2);
one end, far away from the first rotating frame (3), of the second rotating frame (4) is rotatably connected to the frame main body (1), and the rotating axis of the second rotating frame and the frame main body (1) is parallel to the rotating axis of the second rotating frame (4) and the rotating axis of the first rotating frame (3).
2. The rear shock absorber rocker arm structure according to claim 1, wherein: the first rotating frame (3) is arched, and two ends of the first rotating frame (3) bend towards the frame main body (1).
3. The rear shock absorber rocker arm structure according to claim 1, wherein: the rear rocker arm (2) comprises a left half arm (202), a right half arm (201), a first connecting arm (203) and a second connecting arm (204), the first connecting arm (203) and the second connecting arm are used for connecting the left half arm (202) and the right half arm (201), and the first connecting arm (203) is used for being connected with the second rotating frame (4);
the end surface of the right half arm (201) facing the left half arm (202) is provided with a first pressing groove (6);
the end face of the left half arm (202) facing the right half arm (201) is provided with a second pressing groove (8).
4. The rear shock absorber rocker arm structure according to claim 3, wherein: a plurality of first reinforcing ribs (7) are arranged at the bottom of the first pressing groove (6);
the bottom of the second pressing groove (8) is provided with a plurality of second reinforcing ribs (9).
5. The rear shock absorber rocker arm structure according to claim 3, wherein: the end face, deviating from the left half arm (202), of the right half arm (201) is provided with a first through groove (10), and the end face, deviating from the right half arm (201), of the left half arm (202) is provided with a second through groove (11).
6. The rear shock absorber rocker arm structure according to claim 5, wherein: the groove types of the first through groove (10) and the second through groove (11) are triangular pyramid.
7. The rear shock absorber rocker arm structure according to claim 3, wherein: and a third press groove (12) is formed in the end face, deviating from the first rotating frame (3), of the first connecting arm (203).
8. The rear shock absorber rocker arm structure according to claim 7, wherein: and a third reinforcing rib (13) is arranged in the third pressing groove (12), and the third reinforcing rib (13) is arranged right opposite to the connection point of the first connecting arm (203) and the first rotating frame (3) along the direction that the first connecting arm (203) is far away from the first rotating frame (3).
9. The rear shock absorber rocker arm structure according to claim 1, wherein: the rear rocker arm (2) is made of 6061-T6.
10. The rear shock absorber rocker arm structure according to claim 1, wherein: the rear rocker arm (2) is formed by forging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456247.9U CN216636742U (en) | 2021-12-31 | 2021-12-31 | Rocker arm structure of rear shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456247.9U CN216636742U (en) | 2021-12-31 | 2021-12-31 | Rocker arm structure of rear shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216636742U true CN216636742U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123456247.9U Active CN216636742U (en) | 2021-12-31 | 2021-12-31 | Rocker arm structure of rear shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216636742U (en) |
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2021
- 2021-12-31 CN CN202123456247.9U patent/CN216636742U/en active Active
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