CN114162248A

CN114162248A - Front fork of large handlebar

Info

Publication number: CN114162248A
Application number: CN202111671973.4A
Authority: CN
Inventors: 肖金文
Original assignee: Hengmeng Tianjin Technology Development Co ltd
Current assignee: Hengmeng Tianjin Technology Development Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-03-11

Abstract

The invention discloses a front fork of a large handlebar, which comprises a front fork rod, a front fork shoulder and a front fork vertical pipe, wherein the top end of the front fork rod is connected with a sleeve, the top of the sleeve is provided with a threaded column, the top of the adjacent front fork rod is connected with the front fork shoulder, two sides of the front fork shoulder are provided with first positioning holes, and the threaded column penetrates through the first positioning holes to be connected with a first nut; the support sets up adjacent two between the front fork arm, and the spout has been seted up to the inside of support. This cart is front fork, after adjusting two front fork pole intervals and fixing a position it, can make this cart have interval regulatory function to front fork, the not unidimensional tire of easy to assemble, after the front fork riser inserted in the through-hole, promote the threaded pin through spacing spring and dock with spacing hole, can reach the effect of quick butt joint front fork riser, through damping spring and spring damper's assistance, can strengthen this cart and front fork's buffering shock attenuation effect.

Description

Front fork of large handlebar

Technical Field

The invention relates to the technical field of bicycle accessories, in particular to a front fork of a large handlebar.

Background

The bicycle is because of having green energy-conservation, convenient and fast's advantage forms the first-selected traffic instrument of riding instead of walk for people's short distance trip, the wheel department of bicycle need utilize the front fork to assemble, handlebar front fork part is in the place ahead position in the bicycle structure, its upper end links to each other with handlebar part, frame part and front tube cooperation, the lower extreme cooperates with the front axle part, constitute the guide system of bicycle, consequently, handlebar front fork is one of the important accessory of constituteing of bicycle, however present handlebar front fork still has some defects to lead to being difficult to satisfy the in-service use demand, if:

1. the large handlebar front fork does not have a space adjusting function;

2. the large handlebar front fork does not have a quick assembly effect;

3. the large handlebar front fork does not have a high-efficiency buffering and damping effect;

4. the large handlebar front fork does not have the function of quickly installing a mudguard;

therefore, a front fork of a large handlebar is provided.

Disclosure of Invention

The invention aims to provide a large handlebar front fork, which solves the problems that the large handlebar front fork in the market does not have a distance adjusting function, does not have a quick assembling effect, does not have a high-efficiency buffering and damping effect and does not have a function of quickly installing a mudguard in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a front fork with a large handlebar comprises a front fork rod, a front fork shoulder and a front fork vertical pipe, wherein the top end of the front fork rod is connected with a sleeve, the top of the sleeve is provided with a threaded column, the top of the adjacent front fork rod is connected with the front fork shoulder, two sides of the front fork shoulder are provided with first positioning holes, and the threaded column penetrates through the first positioning holes and is connected with a first nut;

the support sets up adjacent two between the preceding fork arm, and the spout has been seted up to the inside of support, the inside of spout is provided with the telescopic link that is connected with the preceding fork arm, and the second locating hole has been seted up on the surface of telescopic link to the bolt is run through connection support and second locating hole in proper order.

Preferably, the first positioning holes are distributed at equal intervals relative to the front fork shoulder, the diameter of each first positioning hole is larger than that of each threaded column, the first positioning holes in different positions are in butt joint with the threaded columns, and the front fork shoulder can be assembled by fastening through the first nuts.

Preferably, the second locating hole is equal interval distribution about the telescopic link, and is sliding connection between telescopic link and the spout, through the inside slip of telescopic link in the spout, can adjust the interval between two preceding fork arms to make this cart handle front fork have interval regulatory function.

Preferably, a support plate is arranged on the top of the support, a spring damper is mounted on the top of the support plate, and the bottom of the front fork shoulder is butted with the spring damper after being mounted.

Preferably, sheathed tube inside is provided with the briquetting fixed mutually with the front fork arm, and the top outside of front fork arm is fixed with the dog to the front fork arm has cup jointed damping spring near between briquetting and the dog, and the reaction force through damping spring and spring damper's assistance can improve the buffering shock attenuation effect of this cart front fork.

Preferably, the through hole is formed in the middle of the front fork shoulder, the coamings are fixed at the upper end and the lower end of the front fork shoulder close to the through hole, the limiting hole is formed in the inner wall of the coamings, the supporting strength of the front fork vertical pipe can be enhanced by the arranged coamings, and the formed limiting hole facilitates butt joint of a threaded pin.

Preferably, the inside through connection of through-hole has the front fork riser, and the inside of front fork riser has seted up flexible groove, the inside in flexible groove is provided with spacing spring, and the one end of spacing spring is connected with the stopper, and the threaded pin receives pressure and can drive the inside that the stopper extrudeed spacing spring and contract to flexible groove.

Preferably, the one end that spacing spring was kept away from to the stopper is provided with the screw thread round pin, and the screw thread round pin runs through spacing hole and is connected with the second nut, constitute "T" style of calligraphy structure between screw thread round pin and the stopper, and screw thread round pin, stopper all constitute extending structure through spacing spring and flexible groove, after screw thread round pin and spacing hole butt joint, use the equipment that the front fork riser can be accomplished in the fastening of second nut.

Preferably, the bottom of support is provided with the cardboard, and the shape of cardboard is the arc to the draw-in groove has been seted up to the inboard of cardboard, and the convenient quick butt joint of draw-in groove of seting up on the cardboard of setting and the cardboard installs the fender.

Compared with the prior art, the invention has the beneficial effects that: this cart is front fork, after adjusting two front fork pole intervals and fixing a position it, can make this cart have interval regulatory function to front fork, the not unidimensional tire of easy to assemble, after the front fork riser inserted in the through-hole, promote the threaded pin through spacing spring and dock with spacing hole, can reach the effect of quick butt joint front fork riser, through damping spring and spring damper's assistance, can strengthen this cart and front fork's buffering shock attenuation effect.

1. The front fork of the large handlebar is connected with the sliding groove in a sliding manner through the telescopic rod, so that the telescopic rod slides in the sliding groove, the bolt penetrates through the support and is butted with the second positioning hole, then the first positioning holes formed in two sides of the shoulder of the front fork are butted with the threaded columns, and then the first nuts are used for locking, so that the two front fork rods can be positioned after the distance between the two front fork rods is adjusted, and the front fork of the large handlebar has a distance adjusting function, and tires with different sizes can be conveniently installed;

2. the large handlebar front fork presses the threaded pin to enable the threaded pin to push the limiting block to extrude the limiting spring to contract towards the inside of the telescopic groove, then the front fork vertical pipe is inserted into the through hole in the middle of the front fork shoulder, the limiting spring resets after losing pressure to push the threaded pin to be in butt joint with the limiting hole, and then the second nut is used for fastening to complete the installation of the front fork vertical pipe, so that the large handlebar front fork has a quick assembling effect;

3. when the large handlebar front fork is used under pressure, the front fork shoulder can move downwards to extrude the spring shock absorber and the sleeve, the sleeve can extrude the shock absorbing spring when moving downwards, and the pressure applied to the large handlebar front fork can be buffered through the counter-acting force of the shock absorbing spring and the assistance of the spring shock absorber, so that the large handlebar front fork has a high-efficiency buffering and shock absorbing effect;

4. this cart is front fork through the draw-in groove that curved cardboard and cardboard inner wall were seted up, can conveniently go into the inside of draw-in groove with fender slip card, and then conveniently fixes a position the fender to make this cart have the quick fender function of installing to the front fork.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic diagram of the right-view structure of the present invention;

FIG. 3 is a schematic structural view of a front cross section of the stand according to the present invention;

FIG. 4 is a front cross-sectional structural view of the front fork shoulder of the present invention;

FIG. 5 is a schematic top cross-sectional view of the shroud of the present invention;

fig. 6 is a schematic perspective view of the limiting block of the present invention.

In the figure: 1. a front fork lever; 2. a sleeve; 3. a threaded post; 4. a front fork shoulder; 5. a first positioning hole; 6. a first nut; 7. a support; 8. a chute; 9. a telescopic rod; 10. a second positioning hole; 11. a bolt; 12. a support plate; 13. a spring damper; 14. briquetting; 15. a stopper; 16. a damping spring; 17. a through hole; 18. enclosing plates; 19. a limiting hole; 20. a front fork riser; 21. a telescopic groove; 22. a limiting spring; 23. a limiting block; 24. a threaded pin; 25. a second nut; 26. clamping a plate; 27. a clamping groove.

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 described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a big handlebar front fork, including front fork arm 1, front fork shoulder 4 and front fork riser 20, front fork arm 1's top is connected with sleeve pipe 2, and sleeve pipe 2's top is provided with screw thread post 3, the top of adjacent front fork arm 1 is connected with front fork shoulder 4, and first locating hole 5 has been seted up to front fork shoulder 4's both sides, and screw thread post 3 runs through first locating hole 5 and is connected with first nut 6, support 7, the setting is between adjacent two front fork arm 1, and spout 8 has been seted up to support 7's inside, spout 8's inside is provided with telescopic link 9 that is connected with front fork arm 1, and second locating hole 10 has been seted up on telescopic link 9's surface, and bolt 11 runs through connection support 7 and second locating hole 10 in proper order.

The first positioning holes 5 are distributed at equal intervals relative to the front fork shoulder 4, and the diameter of each first positioning hole 5 is larger than that of the corresponding threaded column 3; the second positioning holes 10 are distributed at equal intervals with respect to the telescopic rod 9, and the telescopic rod 9 is connected with the sliding chute 8 in a sliding manner.

Through the sliding connection between telescopic link 9 and the spout 8, make telescopic link 9 slide inside spout 8, and use bolt 11 to run through support 7 and dock with second locating hole 10, then dock first locating hole 5 and screw post 3 of seting up 4 both sides of front fork shoulder, then use first nut 6 to lock, can fix a position it after adjusting 1 interval of two front fork arms, thereby make this cart have interval regulatory function the front fork, the not unidimensional tire of easy to assemble.

A support plate 12 is arranged at the top of the support 7, and a spring shock absorber 13 is arranged at the top of the support plate 12; the inside of sleeve pipe 2 is provided with briquetting 14 fixed mutually with front fork 1, and the top outside of front fork 1 is fixed with dog 15 to front fork 1 is close to and has cup jointed damping spring 16 between briquetting 14 and the dog 15.

When this cart is used to receive pressure, front fork shoulder 4 can move down and extrude spring damper 13 and sleeve pipe 2, and sleeve pipe 2 moves down then can extrude damping spring 16, and through damping spring 16's reaction force and spring damper 13's assistance, can cushion the pressure that cart was received to the front fork to make this cart have high-efficient buffering shock attenuation effect to the front fork.

A through hole 17 is formed in the middle of the front fork shoulder 4, surrounding plates 18 are fixed at the upper end and the lower end of the front fork shoulder 4 close to the through hole 17, and a limiting hole 19 is formed in the inner wall of each surrounding plate 18; a front fork vertical pipe 20 is connected inside the through hole 17 in a penetrating manner, a telescopic groove 21 is formed inside the front fork vertical pipe 20, a limiting spring 22 is arranged inside the telescopic groove 21, and one end of the limiting spring 22 is connected with a limiting block 23; one end of the limiting block 23, which is far away from the limiting spring 22, is provided with a threaded pin 24, and the threaded pin 24 penetrates through the limiting hole 19 and is connected with a second nut 25; a T-shaped structure is formed between the threaded pin 24 and the limiting block 23, and the threaded pin 24 and the limiting block 23 form a telescopic structure with the telescopic groove 21 through the limiting spring 22.

Pressing down threaded pin 24, making threaded pin 24 promote stopper 23 extrusion spacing spring 22 to the inside shrink of flexible groove 21, then insert front fork riser 20 in the through-hole 17 at front fork shoulder 4 middle part, spacing spring 22 loses to restore to the throne after the pressure and promotes threaded pin 24 and spacing hole 19 and dock, then uses second nut 25 to fasten and can accomplish front fork riser 20's installation to make this big fork of handlebar have the fast assembly effect.

The bottom of support 7 is provided with cardboard 26, and cardboard 26 is the arc shape to the inboard of cardboard 26 is seted up draw-in groove 27.

Through the curved cardboard 26 and the draw-in groove 27 that the cardboard 26 inner wall was seted up, can conveniently slide the fender and block in the inside of draw-in groove 27, and then conveniently fix a position the fender to make this cart front fork have the quick fender function of installing.

In summary, the following steps: the threaded pin 24 is pressed to enable the limiting spring 22 of the threaded pin 24 to contract into the telescopic groove 21, then the front fork vertical pipe 20 is inserted into the through hole 17, the limiting spring 22 loses pressure to reset and push the threaded pin 24 to be in butt joint with the limiting hole 19, then the front fork vertical pipe 20 can be installed by fastening the limiting spring with the second nut 25, then the distance between the two front fork rods 1 is adjusted through the sliding connection between the telescopic rod 9 and the sliding groove 8, the limiting spring is fastened with the bolt 11, then the first positioning hole 5 is in butt joint with the threaded column 3, then the first nut 6 is used for fastening, the distance between the two front fork rods 1 can be adjusted and then positioned, the assembly of the handlebar front fork is completed, so that the large handlebar front fork has the distance adjusting function, tires with different sizes can be conveniently installed, finally, when the large handlebar front fork is used and is under pressure, the front fork shoulder 4 can move downwards to extrude the spring shock absorber 13 and press the shock absorber spring 16, the buffering and damping effect of the front fork of the handlebar can be improved by the aid of the damping springs 16 and the spring dampers 13, the mudguard can be clamped into the clamping groove 27 in a sliding mode, the mudguard can be positioned by limitation of the clamping plate 26, and therefore the mudguard can be installed conveniently.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a big handlebar front fork, includes front fork arm (1), front fork shoulder (4) and front fork riser (20), its characterized in that:

the top end of the front fork rod (1) is connected with a sleeve (2), the top of the sleeve (2) is provided with a threaded column (3), the top of the adjacent front fork rod (1) is connected with a front fork shoulder (4), two sides of the front fork shoulder (4) are provided with first positioning holes (5), and the threaded column (3) penetrates through the first positioning holes (5) to be connected with a first nut (6);

support (7), set up adjacent two between preceding fork arm (1), and spout (8) have been seted up to the inside of support (7), the inside of spout (8) is provided with telescopic link (9) that are connected with preceding fork arm (1), and the surface of telescopic link (9) has seted up second locating hole (10) to bolt (11) run through connection support (7) and second locating hole (10) in proper order.

2. A large handlebar front fork as claimed in claim 1, wherein: the first positioning holes (5) are distributed at equal intervals relative to the front fork shoulder (4), and the diameter of the first positioning holes (5) is larger than that of the threaded columns (3).

3. A large handlebar front fork as claimed in claim 1, wherein: the second positioning holes (10) are distributed at equal intervals relative to the telescopic rods (9), and the telescopic rods (9) are in sliding connection with the sliding grooves (8).

4. A large handlebar front fork as claimed in claim 1, wherein: a support plate (12) is arranged at the top of the support (7), and a spring shock absorber (13) is arranged at the top of the support plate (12).

5. A large handlebar front fork as claimed in claim 1, wherein: the inside of sleeve pipe (2) is provided with briquetting (14) fixed mutually with front fork arm (1), and the top outside of front fork arm (1) is fixed with dog (15) to front fork arm (1) is close to and has cup jointed damping spring (16) between briquetting (14) and dog (15).

6. A large handlebar front fork as claimed in claim 1, wherein: a through hole (17) is formed in the middle of the front fork shoulder (4), surrounding plates (18) are fixed to the upper end and the lower end, close to the through hole (17), of the front fork shoulder (4), and limiting holes (19) are formed in the inner wall of each surrounding plate (18).

7. The handlebar front fork of claim 6, wherein: the inside through connection of through-hole (17) has front fork riser (20), and telescopic slot (21) have been seted up to the inside of front fork riser (20), telescopic slot's (21) inside is provided with spacing spring (22), and the one end of spacing spring (22) is connected with stopper (23).

8. The handlebar front fork of claim 7, wherein: and one end of the limiting block (23) far away from the limiting spring (22) is provided with a threaded pin (24), and the threaded pin (24) penetrates through the limiting hole (19) to be connected with a second nut (25).

9. A large handlebar front fork as claimed in claim 8, wherein: a T-shaped structure is formed between the threaded pin (24) and the limiting block (23), and the threaded pin (24) and the limiting block (23) form a telescopic structure with the telescopic groove (21) through the limiting spring (22).

10. A large handlebar front fork as claimed in claim 1, wherein: the bottom of the support (7) is provided with a clamping plate (26), the clamping plate (26) is arc-shaped, and the inner side of the clamping plate (26) is provided with a clamping groove (27).