CN211893527U

CN211893527U - Connecting rod type shock-absorbing front fork assembly of bicycle

Info

Publication number: CN211893527U
Application number: CN202020200753.8U
Authority: CN
Inventors: 张凤明; 林兰梅
Original assignee: Mingfan Parts Factory Hailing District Taizhou City
Current assignee: Mingfan Parts Factory Hailing District Taizhou City
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-11-10
Anticipated expiration: 2030-02-24

Abstract

The utility model discloses a connecting rod formula suspension fork subassembly of bicycle, including the front fork leg, front fork riser and bracing piece, the front fork riser is located the top of front fork leg, the bracing piece alternates in the both ends of front fork riser, the middle part of connecting rod is provided with the fixed block, the upper end of bracing piece is provided with the fork shoulder, the lower extreme middle part of front fork riser is provided with the elongated slot, the upper end of elongated slot and the middle part that is located the front fork riser are provided with the thread groove, the upper end of adjusting the post is provided with the screw thread post with thread groove matched with, the middle part interlude of fixed block is provided with the dwang with screw thread post fixed connection, the dwang is located and is provided with spring two between the bottom of adjusting post and recess, the cover is equipped with spring three between the bottom that the adjusting the post is located the. Has the advantages that: can subdue vibrations effectively, make to ride more comfortable, can also protect the bicycle in addition, prolong the life of bicycle.

Description

Connecting rod type shock-absorbing front fork assembly of bicycle

Technical Field

The utility model relates to a bicycle technical field particularly, relates to a connecting rod formula front fork subassembly of shaking proof of bicycle.

Background

The bicycle is also called as a bicycle or a bicycle, is usually a two-wheeled small land vehicle, is the most common vehicle for people when entering households all over the world, is a green environment-friendly vehicle powered by pedaling after people ride on the bicycle, and can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle travel; bicycle itself also is a sports competition, has highway bicycle match, mountain bike match, place bicycle match, stunt bicycle match etc. for the convenience of people to the use of bicycle, the front fork need have shock-absorbing function, and current bicycle front fork shock attenuation effect is poor to influence people's use, simultaneously, the current bicycle front fork that has the absorbing all is fixed scope, can not carry out the shock attenuation according to own demand according to different highway sections.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a connecting rod formula suspension fork subassembly of bicycle to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a connecting rod type shock-absorbing front fork assembly of a bicycle comprises front fork legs, a front fork vertical pipe and a supporting rod, wherein the front fork vertical pipe is positioned above the front fork legs, the supporting rod is inserted at two ends of the front fork vertical pipe, connecting rods are arranged on the corresponding side edges of the upper ends of the front fork legs, a fixed block is arranged in the middle of each connecting rod, a fork shoulder is arranged at the upper end of each supporting rod, a bearing block fixedly connected with the middle of the fork shoulder is sleeved on the middle of the front fork vertical pipe, the middle of the upper end of each front fork leg and the bottom end of each connecting rod are communicated with a through groove, the supporting rod is inserted in the through groove, a first spring is arranged between the supporting rod and the bottom end of the through groove, a cross rod is arranged at the lower end of the front fork vertical pipe and below the fork shoulder, and a reinforcing block matched and connected with the supporting rod is arranged, the middle part of the upper end of the fixed block is provided with a groove, the middle part of the lower end of the front fork vertical pipe is provided with an elongated slot, a thread groove is arranged at the upper end of the long groove and in the middle of the front fork vertical pipe, an adjusting column which is inserted into the long groove, the thread groove and the groove is arranged in the middle of the front fork vertical pipe and the fixing block, the upper end of the adjusting column is provided with a threaded column matched with the threaded groove, the middle part of the fixed block is penetrated and provided with a rotating rod fixedly connected with the threaded column, moreover, the rotating rod is inserted in the middle of the adjusting column, the bottom end of the rotating rod is provided with a rotating handle, the dwang is located adjust the post with be provided with spring two between the bottom of recess, it is located to adjust the post the bottom of front fork riser with the cover is equipped with spring three between the fixed block, the horizontal pole with be provided with spring four between the fixed block.

Furthermore, the fixed block, the connecting rod and the front fork leg are of an integrated connecting structure.

Furthermore, the bearing block is fixedly connected with the front fork vertical pipe in a welding mode.

Furthermore, the reinforcing block is fixedly connected with the supporting rod through welding.

Furthermore, sliding blocks matched with the long grooves and the inner walls of the grooves are arranged on two sides of the adjusting columns.

Furthermore, the rotating handle and the rotating rod are of an integrated connecting structure.

The utility model provides a connecting rod formula front fork subassembly of shaking proof of bicycle, beneficial effect as follows: the utility model discloses a height is adjusted to the screw thread post, and to adjusting post altitude mixture control under the effect of cooperation spring two, the front fork riser slides in adjusting post and slider, through spring one, spring two, spring three and the spring four that sets up in the bicycle front fork, when the bicycle traveles and runs into the unevenness road surface and take place to jolt, can subdue vibrations effectively, makes to ride more comfortablely, can also protect the bicycle in addition, prolongs the life of bicycle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a connecting rod type shock-absorbing front fork assembly of a bicycle according to an embodiment of the present invention;

FIG. 2 is an enlarged partial view of FIG. 1A of the connecting rod-type suspension front fork assembly of the bicycle in accordance with the embodiment of the present invention;

fig. 3 is a schematic view of the connection of the adjusting post of the connecting rod type shock absorbing front fork assembly of the bicycle according to the embodiment of the present invention.

In the figure:

1. a front fork leg; 2. a front fork riser; 3. a support bar; 4. a connecting rod; 5. a fixed block; 6. a fork shoulder; 7. a bearing block; 8. a through groove; 9. a first spring; 10. a cross bar; 11. a reinforcing block; 12. a groove; 13. a long groove; 14. a thread groove; 15. an adjustment column; 16. a threaded post; 17. rotating the rod;

18. rotating the handle; 19. a second spring; 20. a third spring; 21. a fourth spring; 22. a slide block.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a connecting rod formula shock attenuation front fork subassembly of bicycle.

The first embodiment is as follows:

as shown in fig. 1-3, a connecting rod type shock-absorbing front fork assembly of a bicycle according to an embodiment of the present invention comprises a front fork leg 1, a front fork stem 2 and a support rod 3, wherein the front fork stem 2 is located above the front fork leg 1, the support rod 3 is inserted into two ends of the front fork stem 2, connecting rods 4 are respectively disposed on corresponding sides of the upper end of the front fork leg 1, a fixing block 5 is disposed in the middle of each connecting rod 4, a fork shoulder 6 is disposed on the upper end of the support rod 3, a bearing block 7 fixedly connected to the middle of the fork shoulder 6 is sleeved on the middle of the front fork stem 2, through grooves 8 are respectively communicated with the middle of the upper end of the front fork leg 1 and the bottom ends of the connecting rods 4, the support rod 3 is inserted into the through grooves 8, a first spring 9 is disposed between the support rod 3 and the bottom ends of the through grooves 8, a cross rod 10 is disposed at the lower end of the front fork stem 2 and below the fork shoulder, one end of the cross rod 10 is provided with a reinforcing block 11 which is matched and connected with the support rod 3, a groove 12 is arranged in the middle of the upper end of the fixing block 5, an elongated groove 13 is arranged in the middle of the lower end of the front fork vertical pipe 2, a thread groove 14 is arranged at the upper end of the elongated groove 13 and in the middle of the front fork vertical pipe 2, an adjusting column 15 which penetrates through the elongated groove 13, the thread groove 14 and the groove 12 is arranged in the middle of the front fork vertical pipe 2 and the fixing block 5, a thread column 16 which is matched with the thread groove 14 is arranged at the upper end of the adjusting column 15, a rotating rod 17 which is fixedly connected with the thread column 16 is arranged in the middle of the adjusting column 15 in a penetrating manner, a rotating handle 18 is arranged at the bottom end of the rotating rod 17, and a spring II 19 is arranged between the adjusting column 15 and the bottom end of the groove 12, the adjusting column 15 is located between the bottom end of the front fork vertical pipe 2 and the fixed block 5, a spring III 20 is sleeved on the adjusting column, and a spring IV 21 is arranged between the cross rod 10 and the fixed block 5.

Example two:

as shown in fig. 1 to 3, the fixing block 5, the connecting rod 4 and the front fork leg 1 are integrally connected. The bearing block 7 is fixedly connected with the front fork vertical pipe 2 in a welding mode. The reinforcing block 11 is fixedly connected with the support rod 3 through welding.

As shown in fig. 1-3, the two sides of the adjusting column 15 are provided with sliding blocks 22 which are matched with the inner walls of the long groove 13 and the groove 12. The rotating handle 18 and the rotating rod 17 are in an integral connection structure.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the threaded column 16 at the top end of the rotating rod 17 is driven to rotate by rotating the rotating rod 17 through the rotating handle 18, so that the threaded column 16 and the threaded groove 14 in the front fork vertical tube 2 rotate, the height of the threaded column 16 is adjusted, the height of the adjusting column 15 is adjusted in the rotating rod 17 in a sliding manner under the action of the spring II 19, the front fork vertical tube 2 slides in the adjusting column 15 and the sliding block 22 in the movement process and is connected between the spring III 20 and the spring IV 21 in an inner-outer manner, so that the elasticity is stronger when the shock absorption is performed between the front fork vertical tube 2 and the fixed block 5, meanwhile, the supporting rod 3 and the spring I9 are butted to effectively absorb the shock, the connection strength between the middle part and the lower end of the front fork vertical tube 2 is effectively improved through the specified connection between the cross rod 10 and the reinforcing block 11 and the supporting rod 3, and further through the spring I9, the spring II 19, the, make the bicycle travel and meet the unevenness road surface and when taking place to jolt, can subdue vibrations effectively, make to ride more comfortable, can also protect the bicycle in addition, prolong the life of bicycle.

In conclusion, with the help of the utility model discloses an above-mentioned technical scheme, adjust the height through screw post 16, to 15 altitude mixture control of adjustment post under the effect of cooperation spring two 19, front fork riser 2 slides in adjusting post 15 and slider 22, through spring one 9, spring two 19, spring three 20 and spring four 21 that set up in the bicycle front fork, when the bicycle traveles and runs into the unevenness road surface and take place to jolt, can subdue vibrations effectively, make to ride more comfortablely, can also protect the bicycle in addition, the life of extension bicycle.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A connecting rod type shock-absorbing front fork assembly of a bicycle is characterized by comprising front fork legs (1), front fork vertical pipes (2) and supporting rods (3), wherein the front fork vertical pipes (2) are positioned above the front fork legs (1), the supporting rods (3) are inserted into two ends of the front fork vertical pipes (2), connecting rods (4) are arranged on corresponding side edges of the upper ends of the front fork legs (1), fixing blocks (5) are arranged in the middle of the connecting rods (4), fork shoulders (6) are arranged on the upper ends of the supporting rods (3), bearing blocks (7) fixedly connected with the middle parts of the fork shoulders (6) are sleeved on the middle parts of the front fork vertical pipes (2), through grooves (8) are communicated with the middle parts of the upper ends of the front fork legs (1) and the bottom ends of the connecting rods (4), the supporting rods (3) are inserted into the through grooves (8), and springs (9) are arranged between the supporting rods (3) and the bottom ends of the through grooves (8), a cross rod (10) is arranged at the lower end of the front fork vertical pipe (2) and below the fork shoulder (6), a reinforcing block (11) matched and connected with the supporting rod (3) is arranged at one end of the cross rod (10), a groove (12) is arranged in the middle of the upper end of the fixing block (5), a long groove (13) is arranged in the middle of the lower end of the front fork vertical pipe (2), a thread groove (14) is arranged at the upper end of the long groove (13) and in the middle of the front fork vertical pipe (2), adjusting columns (15) penetrating through the long groove (13), the thread groove (14) and the groove (12) are arranged in the middle of the front fork vertical pipe (2) and the fixing block (5), a thread column (16) matched with the thread groove (14) is arranged at the upper end of the adjusting columns (15), and a rotating rod (17) fixedly connected with the thread column (16) is arranged in the middle of the fixing block (5) in a penetrating, and, dwang (17) alternates the middle part of adjusting post (15), the bottom of dwang (17) is provided with rotates handle (18), dwang (17) are located adjust post (15) with be provided with spring two (19) between the bottom of recess (12), it is located to adjust post (15) the bottom of front fork riser (2) with the cover is equipped with spring three (20) between fixed block (5), horizontal pole (10) with be provided with spring four (21) between fixed block (5).

2. The link-type suspension fork assembly for a bicycle according to claim 1, wherein the fixing block (5) is integrally connected to the link (4) and the fork leg (1).

3. The link-type suspension fork assembly for a bicycle according to claim 1, wherein the receiving block (7) is fixedly connected to the fork stem (2) by welding.

4. The link-type suspension fork assembly for a bicycle according to claim 1, wherein the reinforcing block (11) is fixedly connected to the support rod (3) by welding.

5. The link-type suspension fork assembly for a bicycle according to claim 1, wherein the adjusting post (15) is provided at both sides thereof with sliding blocks (22) engaged with the elongated slot (13) and the inner wall of the groove (12).

6. The link type suspension fork assembly for a bicycle according to claim 1, wherein the rotating lever (17) and the rotating handle (18) are integrally connected.