CN217456232U - Multi-connecting-rod rocker arm type shock-absorbing frame with square cabin box - Google Patents
Multi-connecting-rod rocker arm type shock-absorbing frame with square cabin box Download PDFInfo
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- CN217456232U CN217456232U CN202221057818.3U CN202221057818U CN217456232U CN 217456232 U CN217456232 U CN 217456232U CN 202221057818 U CN202221057818 U CN 202221057818U CN 217456232 U CN217456232 U CN 217456232U
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Abstract
The utility model discloses a multi-connecting-rod rocker arm type shock-absorbing frame with a square cabin box, which comprises the square cabin box, a lower pipe, a middle pipe and an upper fork, the fork, two go up the rocking arm, two first rocking arms, rocking arm and shock absorber under the second, the front end of going up the fork is formed with two upper fork joints, the upper end of two upper rocker arms respectively with two upper fork joint hinged joint, the lower extreme of two upper rocker arms all with low tube hinged joint, the top of square cabin box is formed with the backup pad of two mutual symmetries, the lower extreme of two first rocking arms respectively with two backup pad hinged joint, the upper end of two first rocking arms all with the rear end hinged joint of shock absorber, the front end of shock absorber and the front end hinged joint of square cabin box, the front end of rocking arm is located between two first rocking arms under the second, the top of fork is formed with two vertical plate form lower fork joints down, the rear end of rocking arm is located between two lower fork joints under the second. The utility model discloses link gear is reasonable, mechanical equilibrium is better, can prolong shock absorber life.
Description
Technical Field
The utility model relates to a bicycle frame relates to a many connecting rods rocking arm formula frame of moving away to avoid possible earthquakes with square cabin box.
Background
At present, in the multi-link shock absorber structure of traditional frame, the connection piece generally directly links together with the shock absorber, obtain good frame effect of moving away to avoid possible earthquakes through connection piece rotary motion compression shock absorber, wherein, frame back triangle is whole to promote to connect frame front and back triangle connection piece and applys certain stress to frame front triangle, this stress is transmitted for the shock absorber through connection piece forward rotation, triangle displacement around rethread shock absorber compression's principle reaches the frame, with this jolt that comes from ground that alleviates, promote the comfort level of riding, but current shock absorber mechanism can only deal with the road surface condition that the degree of jolt is not very big, when the instantaneous pressure that the frame bore is too big, can make the shock absorber bear extreme pressure, there is unreasonable factor because of current frame construction, so can influence the life of shock absorber and each linkage component.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide a link mechanism reasonable, mechanical balance better, can prolong shock absorber life's many connecting rods rocking arm formula shock absorber frame that has square cabin box.
In order to solve the technical problem, the utility model adopts the following technical scheme.
A multi-link rocker arm type shock-absorbing frame with a square cabin box comprises the square cabin box, a lower pipe, a middle pipe, an upper fork, a lower fork, two upper rocker arms, two first lower rocker arms, a second lower rocker arm and a shock absorber, wherein the middle pipe is vertically fixed at the top of the square cabin box, the lower pipe is obliquely fixed at the front end of the square cabin box, a front end shaft sleeve is arranged at the front end of the lower fork, the front end shaft sleeve is arranged in the square cabin box and is hinged with the square cabin box, the rear end of the lower fork is fixedly connected with the rear end of the upper fork, two upper fork joints are formed at the front end of the upper fork, the two upper fork joints are arranged on two sides of the middle pipe in a spanning mode, the upper ends of the two upper rocker arms are respectively hinged with the two upper fork joints, the lower ends of the two upper rocker arms are respectively hinged with the lower pipe, two supporting plates which are symmetrical to each other are formed at the top of the square cabin box, and the lower ends of the two first lower rocker arms are respectively hinged with the two supporting plates, the upper ends of the two first lower rocker arms are hinged with the rear end of the shock absorber, the front end of the shock absorber is hinged with the front end of the square cabin box, the front end of the second lower rocker arm is arranged between the two first lower rocker arms, the two first lower rocker arms are hinged with the front end of the second lower rocker arm, two vertical plate-shaped lower fork joints are formed at the top of the lower fork, the rear end of the second lower rocker arm is arranged between the two lower fork joints, and the two lower fork joints are hinged with the rear end of the second lower rocker arm.
Preferably, an inverted U-shaped support is fixed to the top of the shelter box, and the middle pipe is vertically fixed to the top end of the inverted U-shaped support.
Preferably, the shock absorber is arranged on the inner side of the inverted U-shaped support.
Preferably, a first pin shaft penetrates through the shelter box and penetrates through the front-end shaft sleeve, and the first pin shaft and the front-end shaft sleeve are in running fit.
Preferably, a front shaft seat is formed on the front side of the middle pipe, a second pin shaft penetrates through the front shaft seat, two ends of the second pin shaft penetrate through the lower ends of the two upper rocker arms respectively, and the second pin shaft is in rotating fit with the lower ends of the upper rocker arms.
Preferably, a third pin shaft penetrates through the two support plates and penetrates through the lower ends of the two first lower rocker arms, and the third pin shaft is in running fit with the lower ends of the first lower rocker arms.
Preferably, a fourth pin shaft penetrates through the upper ends of the two first lower rocker arms, and the fourth pin shaft penetrates through the rear end of the shock absorber and is in running fit with the shock absorber.
Preferably, the first lower rocker arm is an "く" shaped rocker arm.
Preferably, a fifth pin shaft penetrates through the two first lower rocker arms, the fifth pin shaft penetrates through the front end of the second lower rocker arm and is in running fit with the front end of the second lower rocker arm, and the distance between the fifth pin shaft and the lower end of the first lower rocker arm is smaller than the distance between the fifth pin shaft and the upper end of the first lower rocker arm.
Preferably, a sixth pin shaft penetrates through the two lower fork joints, penetrates through the rear end of the second lower rocker arm, and is in running fit with the second lower rocker arm.
The utility model discloses an among the many connecting rods rocking arm formula frame of moving away to avoid possible earthquakes with square cabin box, low tube, well pipe, go up the fork, the basic structure of frame is constituteed to fork and shock absorber down, on this basis, realizes the function of moving away to avoid possible earthquakes through two common cooperations of going up rocking arm, two first rocking arms and second rocking arm down. Specifically, the utility model discloses a three rocking arm structures, based on lever principle, reach shock-absorbing function through the rotary motion of rocking arm, when the frame bears great stress, square cabin box with the part of fork junction sinks down, the fork is exerted pressure to two first rocking arms down through the rocking arm under the second, two first rocking arms further to the shock absorber is exerted pressure, and then realizes the function of moving away to avoid possible earthquakes, when the stress that the frame bore reduces, the reaction elastic force of shock absorber through two first rocking arms down with the rocking arm transmits back under the second the fork, compares prior art, the utility model discloses a linkage mechanism is more reasonable, and especially the mechanical balance when the frame bears great stress is better, can effectively prolong the life of shock absorber.
Drawings
FIG. 1 is a first perspective view of the multi-link rocker arm type shock absorbing frame of the present invention;
FIG. 2 is a second perspective view of the multi-link rocker arm type shock absorbing frame of the present invention;
FIG. 3 is a side view of the multi-link rocker arm shock-absorbing frame of the present invention;
FIG. 4 is a first exploded view of the multi-link rocker arm shock-absorbing frame of the present invention;
fig. 5 is a second exploded view of the multi-link rocker arm shock-absorbing frame of the present invention.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a multi-link rocker type shock-absorbing frame with a square cabin box, which is shown by combining figures 1 to 5 and comprises a square cabin box 1, a lower pipe 2, a middle pipe 3, an upper fork 4, a lower fork 5, two upper rocker arms 6, two first lower rocker arms 7, a second lower rocker arm 8 and a shock absorber 9, wherein the middle pipe 3 is vertically fixed at the top of the square cabin box 1, the lower pipe 2 is obliquely fixed at the front end of the square cabin box 1, the front end of the lower fork 5 is provided with a front end shaft sleeve 50, the front end shaft sleeve 50 is arranged in the square cabin box 1 and is hinged with the upper rocker arms 40, the rear end of the lower fork 5 is fixedly connected with the rear end of the upper fork 4, the front end of the upper fork 4 is provided with two upper fork joints 40, the two upper fork joints 40 are arranged on two sides of the middle pipe 3, the upper ends of the two upper rocker arms 6 are respectively hinged with the two upper fork joints 40, the lower ends of the two upper rocker arms 6 are hinged with the lower pipe 2, the top of the square cabin box 1 is provided with two symmetrical supporting plates 10, the lower ends of two first lower rocker arms 7 are hinged to the two supporting plates 10 respectively, the upper ends of the two first lower rocker arms 7 are hinged to the rear end of the shock absorber 9, the front end of the shock absorber 9 is hinged to the front end of the square cabin box 1, the front end of the second lower rocker arm 8 is arranged between the two first lower rocker arms 7, the two first lower rocker arms 7 are hinged to the front end of the second lower rocker arm 8, the top of the lower fork 5 is provided with two vertical plate-shaped lower fork joints 51, the rear end of the second lower rocker arm 8 is arranged between the two lower fork joints 51, and the two lower joints 51 are hinged to the rear end of the second lower rocker arm 8.
In the structure, the square cabin box 1, the lower pipe 2, the middle pipe 3, the upper fork 4, the lower fork 5 and the shock absorber 9 form a base structure of the frame, and on the basis, the shock absorbing function is realized through the common cooperation of the two upper rocker arms 6, the two first lower rocker arms 7 and the second lower rocker arms 8. Specifically, the utility model discloses a three rocking arm structures, based on lever principle, reach shock-absorbing function through the rotary motion of rocking arm, when the frame bears great stress, square cabin box 1 with the part of fork 5 junction sinks down, fork 5 exerts pressure to two first rocking arms 7 down through rocking arm 8 under the second, two first rocking arms 7 further to shock absorber 9 exerts pressure, and then realize the function of moving away to avoid possible earthquakes, when the stress that the frame bore reduces, the reaction elastic force of shock absorber 9 through two first rocking arms 7 with rocking arm 8 transmits back under the second fork 5 compares prior art, the utility model discloses a linkage mechanism is more reasonable, and especially the mechanical equilibrium when the frame bears great stress is better, can effectively prolong the life of shock absorber.
Preferably, an inverted U-shaped support 11 is fixed on the top of the shelter box 1, and the middle pipe 3 is vertically fixed on the top end of the inverted U-shaped support 11. In this embodiment, the shock absorber 9 is disposed inside the inverted U-shaped support 11. Further, a first pin shaft 12 penetrates through the square cabin box 1, and the first pin shaft 12 penetrates through the front end shaft sleeve 50 and is in running fit with the front end shaft sleeve 50.
In the above structure, under the action of the inverted U-shaped support 11, not only the middle tube 3 is supported and fixed, but also the shock absorber 9 is accommodated.
In order to more reliably and hingedly cooperate the joints, in this embodiment, a front axle seat 30 is formed at the front side of the middle tube 3, a second pin 31 penetrates through the front axle seat 30, two ends of the second pin 31 respectively penetrate through the lower ends of the two upper rocker arms 6, and the second pin 31 is rotatably engaged with the lower ends of the upper rocker arms 6.
Further, a third pin shaft 13 penetrates between the two support plates 10, the third pin shaft 13 penetrates through the lower ends of the two first lower rocker arms 7, and the third pin shaft 13 is in rotating fit with the lower ends of the first lower rocker arms 7. A fourth pin shaft 14 penetrates between the upper ends of the two first lower rocker arms 7, and the fourth pin shaft 14 penetrates through the rear end of the shock absorber 9 and is in running fit with the shock absorber. Correspondingly, a sixth pin shaft 52 penetrates between the two lower fork joints 51, and the sixth pin shaft 52 penetrates through the rear end of the second lower rocker arm 8 and is in running fit with the second lower rocker arm 8.
With regard to the preferred structure of the first lower rocker arm 7, the first lower rocker arm 7 is an "く" shaped rocker arm. Furthermore, a fifth pin shaft 15 penetrates between the two first lower rocker arms 7, the fifth pin shaft 15 penetrates through the front end of the second lower rocker arm 8 and is in running fit with the front end of the second lower rocker arm 8, and the distance between the fifth pin shaft 15 and the lower end of the first lower rocker arm 7 is smaller than the distance between the upper ends of the first lower rocker arms 7.
In the structure, because of fifth round pin axle 15 is closer to the lower extreme of first rocking arm 7 for the frame can bear great pressure, works as when the elasticity reaction force is outwards applyed to shock absorber 9, can only need less stress to order about again based on lever principle 5 return is pitched down, from this visible, the utility model discloses a link gear sets up more rationally, and mechanical balance degree is also better.
The utility model discloses an in many connecting rods rocking arm formula shock attenuation frame with square cabin box, 8 front ends of rocking arm and 7 main part hinge cooperations of first rocking arm down under the second, 8 rear end pivot group of rocking arm rotate connect lower fork joint 51 under the second, during the frame atress, the back vent is fixed and is leaned on five-way rear end pivot group at square cabin box, the rear fork joint promotes rocking arm operation under the second, rocking arm atress rearward movement under the second simultaneously, rocking arm top promotion shock absorber compression under the second, the shock absorber front end is fixed inside square cabin box front end, start compression function when the shock absorber clockwise motion, rocking arm clockwise forward movement also simultaneously on the many exercise poles on the back vent, the displacement takes place for triangle around the whole frame, go up the rocking arm and move thereupon, under the drive of virtual turning point, the shock absorber receives the compression, the shock absorber compression effect is more soft. The utility model discloses a lever motion of innovation is moved away to avoid possible earthquakes to utilize the lever principle that two rocker structures interconnect, make the virtual rotation point of preceding rocking arm furthest satisfy the shock attenuation demand of consumer to the car of moving away to avoid possible earthquakes.
Compared with the prior art, the utility model discloses satisfied well and ride passerby's the consumption demand of seeking new and seeking change, opened up the dynamic balance that upper and lower rocking arm linkage structure played guide shock absorber compression and bounce-back, work efficiency is higher, and the displacement through virtual commentaries on classics point and the continuous dynamic balance of upper and lower rocking arm structure system weighing apparatus linkage of each other make frame construction and shock absorber receive the protection moreover. Furthermore, the utility model discloses can protect the shock absorber to bigger degree, effectively prolong the shock absorber life-span, the triangle atress is connected also more balancedly around the frame, and the stress point disperses more, installs longer in the forging part life-span of each tie point, and the efficiency of moving away to avoid possible earthquakes is higher.
The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A multi-link rocker arm type shock-absorbing frame with a square cabin box is characterized by comprising the square cabin box, a lower pipe, a middle pipe, an upper fork, a lower fork, two upper rocker arms, two first lower rocker arms, a second lower rocker arm and a shock absorber, wherein the middle pipe is vertically fixed at the top of the square cabin box, the lower pipe is obliquely fixed at the front end of the square cabin box, a front end shaft sleeve is arranged at the front end of the lower fork, the front end shaft sleeve is arranged in the square cabin box and is hinged with the square cabin box, the rear end of the lower fork is fixedly connected with the rear end of the upper fork, two upper fork joints are formed at the front end of the upper fork, the two upper fork joints are arranged on two sides of the middle pipe in a crossing manner, the upper ends of the two upper rocker arms are respectively hinged with the two upper fork joints, the lower ends of the two upper rocker arms are hinged with the lower pipe, two supporting plates which are symmetrical to each other are formed at the top of the square cabin box, the lower ends of the two first lower rocker arms are respectively hinged with the two supporting plates, the upper ends of the two first lower rocker arms are hinged with the rear end of the shock absorber, the front end of the shock absorber is hinged with the front end of the square cabin box, the front end of the second lower rocker arm is arranged between the two first lower rocker arms, the two first lower rocker arms are hinged with the front end of the second lower rocker arm, two vertical plate-shaped lower fork joints are formed at the top of the lower fork, the rear end of the second lower rocker arm is arranged between the two lower fork joints, and the two lower fork joints are hinged with the rear end of the second lower rocker arm.
2. The multi-link rocker-arm shock-absorbing frame with a shelter box as claimed in claim 1, wherein an inverted U-shaped support is fixed to the top of the shelter box, and the middle tube is vertically fixed to the top end of the inverted U-shaped support.
3. The multi-link rocker-arm shock-absorbing frame with shelter box of claim 2, wherein said shock absorber is provided inside said inverted U-shaped mount.
4. The multi-link rocker-arm shock-absorbing frame with the shelter box as claimed in claim 1, wherein a first pin shaft penetrates through the shelter box, and the first pin shaft penetrates through the front end shaft sleeve and is in running fit with the front end shaft sleeve.
5. The multi-link rocker-arm shock-absorbing frame with the shelter box as claimed in claim 1, wherein a front axle seat is formed at the front side of the middle tube, a second pin shaft penetrates through the front axle seat, two ends of the second pin shaft respectively penetrate through the lower ends of the two upper rocker arms, and the second pin shaft is in rotating fit with the lower ends of the upper rocker arms.
6. The multi-link rocker-arm shock-absorbing frame with a shelter box as claimed in claim 1, wherein a third pin shaft is inserted between the two support plates, the third pin shaft penetrates through the lower ends of the two first lower rocker arms, and the third pin shaft is rotatably matched with the lower ends of the first lower rocker arms.
7. The multi-link rocker-arm shock-absorbing frame with a shelter box as claimed in claim 6, wherein a fourth pin shaft is arranged between the upper ends of the two first lower rocker arms, and the fourth pin shaft passes through the rear end of the shock absorber and is in running fit with the shock absorber.
8. The multi-link rocker-arm shock-absorbing frame with a shelter as claimed in claim 7, wherein the first lower rocker arm is an "く" shaped rocker arm.
9. The multi-link rocker-arm shock-absorbing frame with the shelter box as claimed in claim 8, wherein a fifth pin shaft penetrates between the two first lower rocker arms, the fifth pin shaft penetrates through the front end of the second lower rocker arm and is in rotating fit with the front end of the second lower rocker arm, and the distance between the fifth pin shaft and the lower end of the first lower rocker arm is smaller than the distance between the fifth pin shaft and the upper end of the first lower rocker arm.
10. The multi-link rocker-arm shock-absorbing frame with a shelter box as claimed in claim 1, wherein a sixth pin shaft is inserted between the two lower fork joints, passes through the rear end of the second lower rocker arm and is in running fit with the second lower rocker arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221057818.3U CN217456232U (en) | 2022-05-04 | 2022-05-04 | Multi-connecting-rod rocker arm type shock-absorbing frame with square cabin box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221057818.3U CN217456232U (en) | 2022-05-04 | 2022-05-04 | Multi-connecting-rod rocker arm type shock-absorbing frame with square cabin box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217456232U true CN217456232U (en) | 2022-09-20 |
Family
ID=83273521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221057818.3U Active CN217456232U (en) | 2022-05-04 | 2022-05-04 | Multi-connecting-rod rocker arm type shock-absorbing frame with square cabin box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217456232U (en) |
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2022
- 2022-05-04 CN CN202221057818.3U patent/CN217456232U/en active Active
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