CN217835915U - Front fork structure of bicycle - Google Patents
Front fork structure of bicycle Download PDFInfo
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- CN217835915U CN217835915U CN202222186039.XU CN202222186039U CN217835915U CN 217835915 U CN217835915 U CN 217835915U CN 202222186039 U CN202222186039 U CN 202222186039U CN 217835915 U CN217835915 U CN 217835915U
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- front fork
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- fork
- tube
- bicycle
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Abstract
The utility model relates to a bicycle front fork structure, including the breeches pipe, set up in the standpipe of breeches pipe upper end and set up in the balancing piece of breeches pipe lower extreme still includes first locking part and second locking part, the standpipe passes through first locking part with the upper end punching press of breeches pipe is connected, the balancing piece passes through the second locking part with the lower extreme punching press of breeches pipe is connected. The utility model discloses a bicycle front fork structure is connected the upper end punching press of standpipe and breeches pipe through setting up first locking part, sets up the second locking part and is connected the balancing piece with the lower extreme punching press of breeches pipe, can stably connect standpipe, breeches pipe and balancing piece, compares in traditional electric welding mode, the utility model discloses a bicycle front fork structure metal is tired for a short time, and is very durable to the life of bicycle front fork structure has been prolonged.
Description
Technical Field
The utility model relates to a bicycle technical field, in particular to bicycle front fork structure.
Background
The front fork structure of the bicycle is positioned in the front part of the bicycle structure, the upper end of the front fork structure is connected with the handlebar part, the lower end of the front fork structure is matched with the front shaft part to form a guide system of the bicycle, and the handlebar and the front fork structure are rotated to change the direction of the front wheel and achieve the guide effect of the bicycle. The existing front fork structures are generally connected through electric welding, and the connection mode of the electric welding causes metal fatigue to rise, so that the service life of the front fork structures is shortened, and the risk of cracking is increased after a long time. Therefore, the prior art has yet to be developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art's weak point, the utility model aims at providing a bicycle front fork structure, aims at reducing the metal fatigue, increase of service life of bicycle front fork structure.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a bicycle front fork structure, including the fork, set up in the standpipe of fork upper end and set up in the balancing piece of fork lower extreme, wherein, still include first locking part and second locking part, the standpipe passes through first locking part with the upper end punching press of fork is connected, the balancing piece passes through the second locking part with the lower extreme punching press of fork is connected.
Furthermore, the upper end of the fork tube is provided with a through hole and a first through hole which transversely penetrates through the through hole, the vertical tube is provided with a second through hole, the vertical tube penetrates through the through hole, and the first locking piece penetrates through the first through hole and the second through hole to perform stamping locking.
Furthermore, the lower extreme of breeches pipe is provided with the slot and crosses the third through-hole of slot, the balancing piece is provided with the fourth through-hole, the balancing piece inserts in the slot, and by the second locking part is worn to establish the third through-hole with the fourth through-hole carries out the punching press lock solid.
The sealing device further comprises a shaft sleeve and a sealing block, wherein the shaft sleeve is sleeved outside the vertical pipe and contained in the through hole, and the sealing block is connected with the bottom of the vertical pipe and seals the bottom of the through hole.
Further, the fork pipe includes left front fork pipe, right front fork pipe and symmetric connection the pipe of buckling of left front fork pipe, right front fork pipe, the balancing piece is provided with a pair ofly, respectively with the lower extreme of left front fork pipe, right front fork pipe is connected, the standpipe set up in the upper end of buckling the pipe.
The utility model discloses beneficial effect that technical scheme has:
the utility model discloses a bicycle front fork structure is connected the upper end punching press of standpipe and breeches pipe through setting up first locking part, sets up the second locking part and is connected the balancing piece with the lower extreme punching press of breeches pipe, can stably connect standpipe, breeches pipe and balancing piece, compares in traditional electric welding mode, the utility model discloses a bicycle front fork structure metal is tired for a short time, and is very durable to the life of bicycle front fork structure has been prolonged.
Drawings
FIG. 1 is a schematic structural view of a front fork structure of a bicycle of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is an enlarged view of a in fig. 2.
Description of reference numerals:
100-bicycle front fork structure, 10-fork tube, 11-perforation, 12-first through hole, 13-slot, 14-third through hole, 15-left front fork tube, 16-right front fork tube, 17-bent tube, 20-vertical tube, 21-second through hole, 30-balance block, 31-fourth through hole, 40-first locking piece, 50-second locking piece, 60-shaft sleeve and 70-seal block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the embodiments described herein are only used for explaining the present invention and are not used for limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, and thus, for example, "connected" may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 3, the present invention provides a bicycle front fork structure 100, including a fork tube 10, a vertical tube 20 disposed at an upper end of the fork tube 10, and a balance weight 30 disposed at a lower end of the fork tube 10, wherein the vertical tube 20 is used for connecting a handlebar of a bicycle, and the balance weight 30 is used for connecting a front wheel of the bicycle.
The bicycle front fork structure 100 further comprises a first locking member 40 and a second locking member 50, the vertical tube 20 is connected to the upper end of the fork tube 10 through the first locking member 40, and the balance weight 30 is connected to the lower end of the fork tube 10 through the second locking member 50.
The punching press is connected through with first locking part 40 with second locking part 50 heats to the uniform temperature after, leans on applied pressure to make it produce physical deformation, thereby will standpipe 20 with the upper end punching press of breeches pipe 10 is connected, balancing piece 30 with the lower extreme punching press of breeches pipe 10 is connected, compares in traditional electric welding mode, the utility model discloses a bicycle front fork structure 100 metal is tired little, and is very durable, thereby has prolonged bicycle front fork structure 100's life.
In the present embodiment, the first locking member 40 and the second locking member 50 are made of metal; the fork tube 10 is integrally bent through heat treatment, has good strength and is not easy to deform.
Specifically, the upper end of the fork 10 is provided with a through hole 11 and a first through hole 12 crossing the through hole 11, the vertical tube 20 is provided with a second through hole 21, the vertical tube 20 penetrates the through hole 11, and the first locking member 40 penetrates the first through hole 12 and the second through hole 21 for stamping and locking, so that the installation stability is good.
During installation, the standpipe 20 penetrates through the through hole 11, the first locking member 40 penetrates through the first through hole 12 and the second through hole 21, and then the first locking member 40 is physically deformed by stamping, so that the first locking member 40 cannot be separated from the first through hole 12 and the second through hole 21, and locking is completed.
Specifically, the lower extreme of breeches pipe 10 is provided with slot 13 and crosses the third through-hole 14 of slot 13, balancing piece 30 is provided with fourth through-hole 31, balancing piece 30 inserts in the slot 13, and by second locking part 50 wears to establish third through-hole 14 with fourth through-hole 31 carries out the punching press lock solid, and installation stability is good.
During installation, the balance weight 30 is inserted into the slot 13, the second locking member 50 penetrates through the third through hole 14 and the fourth through hole 31, and then the second locking member 50 is physically deformed by stamping, so that the second locking member 50 cannot be separated from the third through hole 14 and the fourth through hole 31, and locking is completed.
Further, the bicycle front fork structure 100 further includes a shaft sleeve 60 and a sealing block 70, the shaft sleeve 60 is sleeved outside the stem 20 and is accommodated in the through hole 11, and the sealing block 70 is connected to the bottom of the stem 20 and seals the bottom of the through hole 11. The shaft sleeve 60 is used for fixing the angle of a bicycle handlebar, reducing abrasion and increasing stability; the sealing block 70 plays a role in sealing the fork tube 10 and also plays a role in fixing, so that the stress and stability are increased.
In this embodiment, the fork 10 includes a left front fork 15, a right front fork 16 and a bent pipe 17 symmetrically connecting the left front fork 15 and the right front fork 16, the pair of weights 30 are respectively connected to the lower ends of the left front fork 15 and the right front fork 16, and the vertical pipe 20 is disposed at the upper end of the bent pipe 17.
The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (5)
1. The utility model provides a bicycle front fork structure, include the fork, set up in the standpipe of fork upper end and set up in the balancing piece of fork lower extreme, its characterized in that still includes first locking part and second locking part, the standpipe passes through first locking part with the upper end punching press of fork is connected, the balancing piece passes through the second locking part with the lower extreme punching press of fork is connected.
2. The bicycle fork structure of claim 1, wherein the fork tube has a through hole at an upper end thereof and a first through hole extending transversely through the through hole, and the stem has a second through hole, and the stem is inserted through the through hole and press-locked by the first locking member through the first and second through holes.
3. The bicycle front fork structure according to claim 1, wherein the lower end of the fork tube is provided with a slot and a third through hole traversing the slot, the balance weight is provided with a fourth through hole, the balance weight is inserted into the slot, and the second locking member penetrates through the third through hole and the fourth through hole to perform stamping and locking.
4. The bicycle fork structure of claim 2, further comprising a bushing received around the stem and received within the bore, and a sealing block coupled to the bottom of the stem and sealing the bottom of the bore.
5. The bicycle front fork structure of claim 1, wherein the fork tube comprises a left front fork tube, a right front fork tube and a bent tube symmetrically connecting the left front fork tube and the right front fork tube, the balance weight is provided with a pair of balance weights respectively connected with the lower ends of the left front fork tube and the right front fork tube, and the vertical tube is arranged at the upper end of the bent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222186039.XU CN217835915U (en) | 2022-08-18 | 2022-08-18 | Front fork structure of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222186039.XU CN217835915U (en) | 2022-08-18 | 2022-08-18 | Front fork structure of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217835915U true CN217835915U (en) | 2022-11-18 |
Family
ID=84016020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222186039.XU Active CN217835915U (en) | 2022-08-18 | 2022-08-18 | Front fork structure of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217835915U (en) |
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2022
- 2022-08-18 CN CN202222186039.XU patent/CN217835915U/en active Active
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