CN217835914U - Universal front fork for bicycle and electric vehicle - Google Patents

Abstract

The utility model discloses a general front fork of bicycle electric motor car, including the front fork riser, the bottom of front fork riser is provided with a fixed fork, fixed fork is "nearly" font setting, lock wheel axle center of the equal fixedly connected with in both ends of fixed fork, be provided with a connecting thread groove on the front fork riser, the front fork riser has a connecting sleeve through connecting thread groove threaded connection, a spread groove has been seted up on the top of fixed fork, be provided with a connecting block in the spread groove, connecting block and front fork riser fixed connection, the both ends of fixed fork all are provided with and are used for lubricated lubricating structure. The utility model provides high welded length and area to strengthened welded intensity, made the device be difficult to damage, prolonged its life, the device can lubricate the shaft of bicycle automatically when using moreover, avoids it to rust, makes riding of bicycle more laborsaving, is favorable to the use of device.

Description

Universal front fork for bicycle and electric vehicle

Technical Field

The utility model relates to a bicycle front fork field especially relates to a general front fork of bicycle electric motor car.

Background

Along with the implementation of green trip theory, the people that use bicycle and electric bicycle are more and more, and the upper end of bicycle front fork part links to each other with the handlebar part, and the lower extreme cooperates with front axle part, can make the front wheel redirecting, has played the guide effect of bicycle.

When current front fork is welding, its welded area is less relatively for the bulk strength of front fork is not enough, appears damaging easily in its use, and the unable automatic interpolation that carries out lubricating oil of current general front fork simultaneously leads to the bicycle axle to rust easily, influences the use of front fork.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the welding strength is not enough, so that the service life is short, the front fork is easy to damage and is relatively troublesome to lubricate, the situation that a bicycle wheel shaft is rusted is easy to occur, the front fork is not favorable for use, and the universal front fork for the bicycle and the electric vehicle is provided.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a general front fork of bicycle electric motor car, includes the front fork riser, the bottom of front fork riser is provided with a fixed fork, fixed fork is the setting of "nearly" font, lock wheel axle center of the equal fixedly connected with in both ends of fixed fork, be provided with a connecting thread groove on the front fork riser, the front fork riser has a connecting sleeve through connecting thread groove threaded connection, a spread groove has been seted up on the top of fixed fork, be provided with a connecting block in the spread groove, connecting block and front fork riser fixed connection, the both ends of fixed fork all are provided with and are used for lubricated lubricating structure.

Preferably, lubricating structure includes two lubricated chambeies, two lubricated chamber is seted up respectively in the position department that is close to the locking gear axle center that corresponds, a connect the passageway has been seted up on the diapire in lubricated chamber, the lower inner wall that connect the passageway runs through lubricated chamber communicates with each other with the inside in locking gear axle center with the lateral wall in locking gear axle center and sets up, it is connected with a connecting axle to rotate on the inside wall about connect the passageway, every all rotate on the connecting axle and overlap and be equipped with a connection cover board, two connection cover board will connect the sealed setting of passageway.

Preferably, each inside in lock round axle center all sliding connection have one rather than assorted clamping ring, two the diapire of front fork riser pastes the setting with the outside wall in lock round axle center, still seted up an oil leak breach on the diapire of clamping ring.

Preferably, each lubricating cavity is provided with a supplementary nozzle, and the side walls of the two connecting cover plates close to each other are arranged in an arc shape.

Preferably, CNC welding processing is adopted between the two ends of the fixed fork and the corresponding lock wheel axle centers.

Preferably, the connecting block is made of stainless steel material.

Compared with the prior art, the beneficial effects of the utility model are that: the front fork adopts different welding modes everywhere to improve welded length and area, thereby improve welded intensity, make the device be difficult to damage, prolong its life, be provided with lubricating structure moreover, can lubricate the shaft of bicycle automatically when the device uses, thereby avoid it to rust, make riding of bicycle more laborsaving, be favorable to the use of device.

Drawings

Fig. 1 is a schematic perspective view of a universal front fork for bicycles and electric vehicles according to the present invention;

FIG. 2 is a schematic structural view of a lubrication cavity at a welding block of a universal front fork of a bicycle and an electric vehicle, which is provided by the utility model;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: the front fork is characterized by comprising a front fork vertical pipe 1, a fixed fork 2, a lock wheel shaft center 3, a connecting groove 4, a connecting block 5, a connecting thread groove 6, a lubricating cavity 7, a connecting ring 8, a connecting channel 9, a connecting shaft 10 and a connecting cover plate 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a universal front fork for bicycles and electric vehicles, comprising a front fork vertical tube 1, a fixed fork 2 is arranged at the bottom end of the front fork vertical tube 1, the fixed fork 2 is arranged in a shape like a Chinese character ji, a lock wheel axle center 3 is fixedly connected at both ends of the fixed fork 2, CNC welding is adopted between both ends of the fixed fork 2 and the corresponding lock wheel axle center 3, thereby reducing cost and saving money, a connecting thread groove 6 is arranged on the front fork vertical tube 1, the front fork vertical tube 1 is in threaded connection with a connecting sleeve through the connecting thread groove 6, stress in the whole device can be improved after welding of the front fork vertical tube 1 through the connecting sleeve, the overall strength of the device is enhanced, the connecting thread groove 6 can play a role of blocking, the connecting sleeve and the front fork vertical tube 1 are prevented from moving relatively when welding, thereby ensuring poor welding effect, the welding is ensured, a connecting groove 4 is arranged at the top end of the fixed fork 2, a connecting block 5 is arranged in the connecting groove 4, the connecting block 5 is fixedly connected with the front fork vertical tube 1, the connecting groove is made of stainless steel material, the connecting groove 4 and the connecting groove 5 can be communicated with the lubricating cavity 7 of the connecting groove, thereby increasing the lubricating wheel axle center of the lubricating cavity 7, the lubricating structure of the lubricating wheel 7, the lubricating structure is arranged at the position of the lubricating cavity, the lubricating structure which is arranged on the lubricating cavity, the lubricating wheel, the lubricating cavity, the lubricating wheel 7 which is arranged on the lubricating cavity, the lubricating wheel 3, a connecting shaft 10 is rotatably connected to the left inner side wall and the right inner side wall of the connecting channel 9, a connecting cover plate 11 is rotatably sleeved on each connecting shaft 10, the connecting channel 9 is hermetically arranged by the two connecting cover plates 11, a connecting ring 8 matched with the connecting shaft is slidably connected inside each lock wheel shaft center 3, the connecting ring 8 is connected with a wheel shaft of a bicycle wheel, when the wheel shaft rotates, the connecting ring 8 rotates along with the wheel shaft, the bottom walls of the two front fork vertical tubes 1 are attached to the outer side wall of the lock wheel shaft center 3, an oil leakage gap is further formed in the bottom wall of the connecting ring 8, the oil leakage gap moves to the upper end of the lock wheel shaft center 3 along with the rotation of the connecting ring 8 and is connected with the connecting channel 9, at the moment, the connecting ring 8 does not prop up the two connecting cover plates 11, the connecting cover plates 11 rotate downwards to be opened under the pressure of gravity and the pressure of lubricating oil, the lubricating oil in the lubricating cavity 7 is dripped into the lock wheel shaft to lubricate the bicycle wheel shaft, then the connecting ring 8 continues to rotate, the connecting ring leaves from the gap from the connecting channel 9, the connecting cover plates 9 to prevent the connecting channel 9 from being closed, the arc-shaped connecting cover plates 7 from being blocked, and the lubricating oil leakage nozzle is easily replenished when the connecting channel 11, and the lubricating nozzle is arranged on one side wall, and the connecting channel 7, and the connecting nozzle is easily replenished with the connecting channel 11.

The utility model discloses in, the device is before using, connecting sleeve at 1 outside threaded connection of front fork riser, then weld, in order to improve the stress in the whole device, the bulk strength of reinforcing means, and connecting thread groove 6 can play the dead effect of card, avoid when welding, relative movement appears between connecting sleeve and front fork riser 1, lead to the welded effect bad, then adopt multiple spot CNC welding processing between locking wheel axle center 3 and the stationary fork 2, lengthen welding machine length, improve welding strength, back on the bicycle is installed to the device, connecting ring 8 can be connected with the shaft of bicycle wheel, when the wheel axle rotates, connecting ring 8 also can rotate thereupon, along with the rotation of connecting ring 8, the oil leak breach removes the upper end of locking wheel axle center 3, link to each other with connect channel 9, at this moment connecting ring 8 no longer props up two connecting cover plate 11, under the pressure of gravity and lubricating oil, connecting cover plate 11 rotates downwards and opens, the lubricating oil that will lubricate in the bicycle lock wheel axle center 3, lubricate the wheel axle, then connecting ring 8 continues to rotate, the breach leaves connecting ring 9, thereby the leak the connecting ring 11 sealed oil of connecting channel 9, thereby the oil leak under the connecting ring 8.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a general front fork of bicycle electric motor car, includes front fork riser (1), its characterized in that, the bottom of front fork riser (1) is provided with a solid fixed fork (2), gu fixed fork (2) are "nearly" font setting, the equal fixedly connected with lock wheel axle center (3) in both ends of solid fixed fork (2), be provided with a connecting thread groove (6) on front fork riser (1), front fork riser (1) has a connecting sleeve through connecting thread groove (6) threaded connection, a spread groove (4) have been seted up on the top of solid fixed fork (2), be provided with a connecting block (5) in spread groove (4), connecting block (5) and front fork riser (1) fixed connection, the both ends of solid fixed fork (2) all are provided with the lubricating structure who is used for the lubrication.

2. The universal front fork for bicycles and electric vehicles as claimed in claim 1, wherein the lubricating structure comprises two lubricating cavities (7), two lubricating cavities (7) are respectively arranged at positions close to corresponding lock wheel axes (3), a connecting channel (9) is arranged on the bottom wall of the lubricating cavity (7), the connecting channel (9) penetrates through the lower inner wall of the lubricating cavity (7) and the side wall of the lock wheel axes (3) and the inside of the lock wheel axes (3) to be communicated with each other, a connecting shaft (10) is rotatably connected to the left inner side wall and the right inner side wall of the connecting channel (9), each connecting shaft (10) is rotatably sleeved with a connecting cover plate (11), and the two connecting cover plates (11) are used for sealing the connecting channel (9).

3. The universal front fork for bicycles and electric vehicles as claimed in claim 2, wherein each lock wheel axle center (3) is connected with a connecting ring (8) matched with the lock wheel axle center in a sliding manner, the bottom walls of the two front fork vertical tubes (1) are attached to the outer side wall of the lock wheel axle center (3), and the bottom wall of the connecting ring (8) is further provided with an oil leakage gap.

4. The front fork as claimed in claim 2, wherein each of said lubricating cavities (7) is provided with a complementary mouth, and the side walls of the two connecting cover plates (11) adjacent to each other are curved.

5. The universal front fork for bicycles and electric vehicles as claimed in claim 1, wherein CNC welding is adopted between the two ends of the fixed fork (2) and the corresponding lock wheel axle center (3).

6. The universal front fork of claim 1, wherein the connecting block (5) is made of stainless steel.

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