CN106864656B

CN106864656B - Mountain bike

Info

Publication number: CN106864656B
Application number: CN201710132203.XA
Authority: CN
Inventors: 周启航; 蒋源峰; 张思飞; 徐子文
Original assignee: Wuxi Hefu Co Ltd
Current assignee: Wuxi Hefu Co Ltd
Priority date: 2017-03-07
Filing date: 2017-03-07
Publication date: 2020-01-24
Anticipated expiration: 2037-03-07
Also published as: CN106864656A

Abstract

The invention discloses a mountain bike, aiming at providing a mountain bike with the advantages of excellent shock absorption effect and more comfortable riding, its technical scheme main points are, be equipped with the unit of moving away to avoid possible earthquakes on the frame, the unit of moving away to avoid possible earthquakes including the front fork mechanism of moving away to avoid possible earthquakes of connecting the front wheel and the mechanism of moving away to avoid possible earthquakes of back of being connected the rear wheel, the front fork mechanism of moving away to avoid possible earthquakes sets up the vertical fork including the slope, wheel fork and front hinge gasbag bumper shock absorber, front hinge gasbag bumper shock absorber respectively with the vertical fork with the wheel fork articulated, one side of keeping away from front hinge gasbag bumper shock absorber to vertical fork and wheel fork is articulated each other, can decompose, offset and absorb more effort, provide bigger buffering surplus and buffering space, can also improve the holistic slight and shock resistance of bicycle greatly, it is lighter when keeping its fastness to make the bicycle.

Description

Mountain bike

Technical Field

The invention relates to the field of bicycles, in particular to a mountain bike.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides a vehicle, the person steps on the pedal as power, so that the vehicle is a green environment-friendly vehicle and can be used as an environment-friendly vehicle for riding instead of walking and going out; nowadays, more and more people use bicycles as fitness equipment for riding exercise and bicycle touring.

The mountain bike is specially designed for cross-country walking, and is mainly characterized in that tires are wide, straight handles are arranged, speed can be changed, a good damping effect is achieved, the mountain bike is comfortable to ride, due to the fact that the mountain bike is large in rigidity and flexible to walk, a road does not need to be selected during riding, the mountain bike is widely commented whether street roaming or leisure riding instead of walking, and a rider can enjoy comfortable riding in various road environments.

The shock absorbing system for mountain bike mainly includes front fork shock absorber and rear shock absorber of bicycle frame.

Chinese patent publication No. CN1463236 discloses a two-wheeled vehicle with rear suspension wheels, comprising a front frame with a pedal housing and a rear swing assembly with a powered rear wheel, said frame and said rear assembly being interconnected by two hinge connections and a damping system, characterized in that the first hinge connection is formed by an eccentric in a housing tube with an eccentric shaft, said housing tube being rotatably mounted in a groove in said front frame, the rear assembly being fixed to the eccentric shaft of the housing tube, and the second hinge connection is formed by a simple plate-forming link in the general direction of the frame.

The two-wheel vehicle with the rear suspension wheel discloses a rear shock-absorbing structure of a mountain bicycle frame, the frame is divided into a front frame and a swinging assembly which are hinged, and the front frame and the swinging assembly are connected through a shock-absorbing mechanism, and the design idea of the rear shock-absorbing structure of the existing mainstream soft-tail frame is represented.

Chinese patent publication No. CN101475043 discloses a shock absorbing front fork, which comprises an upper fork tube, a lower fork tube, a fork hook and a shoulder box, wherein the lower end of the lower fork tube is in an open shape, a round nut is welded in the lower fork tube, a long rod is screwed into the round nut and extends out of the lower fork tube, a spring is placed to prop against the long rod, the upper fork tube is inserted into the lower fork tube, a plug is screwed at the other end of the upper fork tube, the fork hook is tightly inserted into the open end of the lower fork tube, a central hole is arranged on the fork hook, the long rod extending out of the lower fork tube is locked by the nut, and the fork hook is also provided with a lantern ring and a; the two upper fork tubes are connected into a whole by a shoulder box, the holes at the two ends of the shoulder box are provided with openings and locked by bolts with inner hexagon nuts, the middle hole on the shoulder box is fixed with the front fork vertical tube, and the inside and the outside of the shoulder box are both coated with metal.

This kind of shock attenuation front fork mainly reaches the shock attenuation effect through set up the spring on the front fork, is the shock attenuation front fork project organization that is comparatively popular now, and this application aims at providing another kind of scheme and reaches the purpose for mountain bike moves away to avoid possible earthquakes, makes user's riding more comfortable.

Disclosure of Invention

The invention aims to provide a mountain bike which has the advantages of excellent shock absorption effect and more comfortable riding.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a mountain bike, includes the frame, sets up front wheel, rear wheel, handlebar, saddle, driving piece and the braking piece on the frame, be equipped with the unit of moving away to avoid possible earthquakes on the frame, the unit of moving away to avoid possible earthquakes including the front fork mechanism of moving away to avoid possible earthquakes of connecting the front wheel and the mechanism of moving away to avoid possible earthquakes of back of connecting the rear wheel of moving away to avoid possible earthquakes of connecting the front fork, the front fork moves away to avoid possible earthquakes the mechanism including the slope setting stand fork, wheel fork and front hinge gasbag bumper shock absorber, front hinge gasbag bumper shock absorber respectively with stand fork.

By adopting the technical scheme, when a user rides the mountain bike, the mountain bike is stressed, the shock absorption unit is compressed to reach the extreme point and then rebounds to the original length, the process is repeated continuously to achieve the effect of relieving the stress of the body of the user, so that the jolt in the riding process is reduced, and the shock absorption mechanism is different from the structure of the existing front fork shock absorption mechanism in that the front fork is not directly connected with the front wheel, but the traditional front fork is divided into the vertical fork and the wheel fork, and the vertical fork and the wheel fork are obliquely arranged and are provided with the front hinge air bag shock absorber for buffering;

when the handlebar is acted by force, the vertical fork and the wheel fork can decompose the force along the inclined directions of two sides, one side counteracts part of the acting force through a hinge point of the vertical fork and the wheel fork, the other side is absorbed through the front hinge airbag shock absorber, meanwhile, as the vertical fork and the wheel fork are hinged, the hinge point rotates slightly when the acting force is acted, and most of the acting force is exerted on the front hinge airbag shock absorber on the other side of the wheel fork;

and front hinge gasbag bumper shock absorber generally is applied to motor vehicles such as motorcycle, and its absorption effort is comparatively good with the effect of shock attenuation, buffering, uses here can make the effort that the user felt reduce greatly, for current front fork shock-absorbing structure, this kind of front fork mechanism of moving away to avoid possible earthquakes can decompose, offset and absorb more effort to have more good shock attenuation effect, the user rides more comfortablely.

Further setting: the handlebar vertical fork comprises a fixed fork and a connecting rod which are fixed on two sides of the handlebar, the connecting rod is hinged with the front hinge air bag shock absorber, and the fixed fork is hinged with the wheel fork.

Through adopting above-mentioned technical scheme, the length of connecting rod is shorter, and fixed fork is articulated with the wheel fork, receives when the user to its applied effort at the handlebar, and most effort can be through the connecting rod transmission to preceding hinge gasbag bumper shock absorber in to make the bumper shock absorber shrink, in order to reach the effect of absorbing effort and shock attenuation buffering, improve the comfort level when the user rides.

Further setting: the wheel fork is arranged at a corner, the corner of the wheel fork is connected with the front wheel in a rotating mode, the vertical fork, the wheel fork and the front hinge air bag shock absorber are arranged in a rhombic mode, and the hinged portion of the wheel fork and the fixed fork is arranged in parallel to the horizontal plane.

Through adopting above-mentioned technical scheme, found the fork, the wheel fork is the rhombus setting with preceding hinge gasbag bumper shock absorber, can constitute the connection area of rhombus at the front wheel, because the handlebar receives the effort, the wheel fork drives the front wheel and rotates around the pin joint, preceding hinge gasbag bumper shock absorber shrink simultaneously, consequently, bicycle automobile body is whole to subside, because the bumper shock absorber is articulated with wheel fork and connecting rod respectively, it sets up to form space rocker mechanism and can provide bigger activity space for the front wheel wholly to be the rhombus, more buffering surplus promptly, just so can absorb more effort, in order to reach more good shock attenuation, the buffering effect.

Further setting: the lengths of the two sides of the wheel fork corner are the same, and the wheel fork corner position falls on the extension line of the handlebar.

Through adopting above-mentioned technical scheme, the length of wheel fork corner both sides is the same, and preceding shockproof mechanism wholly is the rhombus setting, consequently the wheel fork is the same to the effort of fixed fork and bumper shock absorber when the atress, the position of wheel fork corner falls on the extension line of handlebar, can guarantee to ride the in-process of riding, the settlement of front wheel all along handlebar place linear motion with reseing, can make the user more steady when riding the buffering, be unlikely to the longitudinal shaking, reach and ride the comfort level well.

Further setting: the frame is including the head pipe, top tube, well pipe and the low tube that are the arc setting, and top tube and low tube all are to the protruding setting in one side of keeping away from ground.

Through adopting above-mentioned technical scheme, top tube and low tube all set up towards the protrusion of one side that deviates from ground, and whole frame just so forms the kangaroo structure that the pitch arc set up, can make the user ride the atress of in-process along the long evenly distributed of arc and release on the one hand, and bicycle frame's basic structure is more stable, and the effort that can bear is bigger, makes the automobile body whole more firm to reach higher riding comfort level.

Further setting: the rear shock absorbing mechanism comprises a rear bottom fork and a rear hinge air bag shock absorber which are inclined to the horizontal plane, and the rear hinge air bag shock absorber is hinged with the rear bottom fork and the lower pipe respectively.

By adopting the technical scheme, in the existing design, the rear bottom fork is generally arranged parallel to the horizontal plane to ensure the firmness and stability of the whole body of the vehicle, and in the application, the rear bottom fork is inclined to the horizontal plane and is hinged on the lower pipe, then the rear hinge air bag shock absorber is hinged between the rear bottom fork and the lower pipe, and the rear bottom fork and the lower pipe which are arranged in an arc shape are matched to form the installation layout with a large inclination angle;

so when the rear wheel receives the effort rear fork take the rear wheel to rotate around the pin joint, the automobile body is whole to subside backward, and the effort can absorb through back hinge gasbag bumper shock absorber this moment, just can show the effective stroke that increases back hinge gasbag bumper shock absorber to promote the intensity and the impact resistance of whole car greatly, experience for being used for with better use with comfort level and steady degree when riding in order to improve the bicycle.

Further setting: one end of the rear bottom fork is hinged to the middle position of the lower pipe, and the other end of the rear bottom fork is connected with the rear wheel in a rotating mode.

By adopting the technical scheme, the rear bottom fork is hinged at the middle position of the lower pipe, an inclination angle of 30-45 degrees is formed between the rear bottom fork and the horizontal plane, the lower pipe protrudes upwards, the rear wheel bears acting force, and the rear bottom fork drives the rear wheel to ascend or reset, so that on one hand, the rear wheel can be provided with enough activity space, on the other hand, the rear bottom fork can be provided with enough rotation angle, and then the rear hinge air bag shock absorber can be provided with larger stroke, thereby greatly improving the strength and the shock resistance of the bicycle.

Further setting: the head pipe is connected with the handlebar, the saddle is fixed at the highest point of the upper pipe, and the middle pipe is rotationally connected with the driving piece.

Through adopting above-mentioned technical scheme, the automobile body wholly is the setting of arc line shape, and the saddle is fixed and can be kept higher position and comparatively good riding posture when making the user ride and ride at the peak of arc line, and the car shape is more smooth simultaneously to streamlined setting has the aesthetic feeling more, can bring better riding experience for the user.

Preferably, the frame is made of a square tube or a groove tube made of chromium molybdenum steel.

Through adopting above-mentioned technical scheme, the processing of square pipe is comparatively convenient, can reduce the holistic manufacturing cost of bicycle, and the groove pipe can alleviate the weight of frame and not influence its fastness to very big degree to make the bicycle more lightly durable, experience with better use for the user.

In conclusion, the invention has the following beneficial effects:

can decompose, offset and absorb more effort, provide bigger buffering surplus and buffer space, can also improve the holistic slight and shock resistance of bicycle greatly, make the bicycle lighter when keeping its fastness to have more good shock attenuation effect, the user rides more comfortablely, and streamlined design is more rich in the aesthetic feeling simultaneously, can bring better riding experience for the user.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view for showing a front suspension mechanism in embodiment 1;

FIG. 3 is a schematic view showing the structure of a grooved tube in example 2.

In the figure, 1, a frame; 11. a front wheel; 12. a rear wheel; 13. a handlebar; 14. a vehicle seat; 15. a drive member; 16. a stopper; 17. a head pipe; 18. feeding a pipe; 19. a middle tube; 20. a lower pipe; 2. a shock absorbing unit; 21. a front fork suspension mechanism; 211. a vertical fork; 211-1, a fixed fork; 211-2, connecting rod; 212. a wheel fork; 213. a front hinge air bag damper; 22. a rear shock absorbing mechanism; 221. a rear bottom fork; 222. a rear hinge airbag damper; 3. a grooved tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: the utility model provides a mountain bike, as shown in figure 1, it is including setting up the frame 1 at the intermediate position, frame 1 is made by the square pipe that chromium molybdenum steel material made, frame 1 includes two parts, the top is the upper tube 18 that the arc set up, upper tube 18 is upwards protruding, the below is the low tube 20 that the arc set up, low tube 20 is protruding the setting to the left side, constitute crescent moon shape, the radian of upper tube 18 is greater than the radian of low tube 20, the left side of upper tube 18 is integrative to be provided with head pipe 17, wear to be equipped with handlebar 13 in the head pipe 17, be equipped with well pipe 19 between head pipe 17 and the low tube 20, the bottom of well pipe 19 is equipped with driving piece.

As shown in fig. 1, the left side of the frame 1 is rotatably connected with a front wheel 11, the right side is rotatably connected with a rear wheel 12, shock absorbing units 2 are arranged between the frame 1 and the front wheel 11 and between the rear wheel 12, a front fork shock absorbing mechanism 21 is arranged on a handlebar 13, the front fork shock absorbing mechanism 21 is rotatably connected with the front wheel 11, a rear shock absorbing mechanism 22 is hinged on a lower tube 20, the rear wheel 12 is rotatably connected to the rear shock absorbing mechanism 22, an operator can drive the rear wheel 12 to rotate through a driving part 15, a seat 14 is arranged at the top of an upper tube 18, the seat 14 is fixed at the highest point of the upper tube 18, the frame 1 is integrally in a kangaroo structure and is in a streamline arrangement, so the design is richer in aesthetic feeling.

When the user rides, can drive rear wheel 12 activity through driving piece 15 to control the holistic direction of automobile body through handlebar 13, and the setting of frame 1 kangaroo structure and being the streamline shape can make the whole atress of automobile body even, and the frame 1 of being convenient for disperses the power that receives, makes frame 1 whole more stable, increases the holistic intensity of bicycle and shock resistance.

As shown in fig. 1 and 2, the rear suspension mechanism 22 includes a rear bottom fork 221, the rear bottom fork 221 is disposed to be inclined with respect to a horizontal plane, an inclination angle of the rear bottom fork 221 is 30 ° to 45 °, a left end of the rear bottom fork 221 is hinged to the middle of the lower tube 20, a right end of the rear bottom fork 221 is rotatably connected to the rear wheel 12, a rear hinge airbag damper 222 is further hinged to the rear bottom fork 221, the rear hinge airbag damper 222 is disposed to be inclined to the lower right, and both ends of the rear hinge airbag damper are respectively hinged to the lower tube 20 and the rear bottom fork 221, when the rear wheel 12 is subjected to a pressure, the rear bottom fork 221 drives the rear wheel 12 to rotate around the hinge point, the vehicle body is integrally settled, the height of the rear wheel 12 is changed and converted into elastic potential energy which is stored in the rear hinge airbag damper 222, so that a force applied to the rear wheel 12 can be.

As shown in FIG. 2, the front suspension mechanism includes a vertical fork 211, a wheel fork 212 and a front hinge airbag shock absorber 213, the vertical fork 211 is fixed at the bottom of the handlebar 13 and includes two parts, the lower half is a fixed fork 211-1, the upper half is a connecting rod 211-2, the fixed fork 211-1 has a longer length for connecting the wheel fork 212, and the top of the connecting rod 211-2 is hinged with the front hinge airbag shock absorber 213;

as shown in fig. 2, the fork 212 is disposed in a corner structure, the lower half portion of which is disposed parallel to the horizontal plane and is hinged to the bottom of the fixed fork 211-1, the upper half portion of which is disposed inclined to the horizontal plane and is hinged to the front hinge air bag damper 213, the upper half portion and the lower half portion of the fork 212 have the same length, the entire front suspension mechanism is disposed in an inclined diamond shape, and the corner position of the fork 212 is rotatably connected to the front wheel 11 and is located on the extension line of the handle bar 13.

The user is at the in-process of riding, handlebar 13 is when receiving the effort, the vertical fork 211 and wheel fork 212 can be decomposed the power that receives along the incline direction of both sides, one side offsets partial effort through the pin joint of vertical fork 211 and wheel fork 212, the opposite side absorbs through front hinge gasbag bumper shock absorber 213, simultaneously because vertical fork 211 and wheel fork 212 are articulated, the pin joint rotates slightly when receiving the effort, wheel fork 212 drives front wheel 11 and rotates around the pin joint, front hinge gasbag bumper shock absorber 213 contracts simultaneously, consequently, the bicycle automobile body is whole to subsides, because the bumper shock absorber is articulated with wheel fork 212 and connecting rod 211-2 respectively, whole rhombus setting formation space rocker mechanism that is whole can provide bigger activity space for front wheel 11, more buffering allowance promptly, just so can absorb more efforts, in order to reach better shock attenuation, the cushioning effect.

Example 2: a mountain bike, which is different from embodiment 1 in that, as shown in fig. 3, a frame 1 of the bike is made of a channel tube 3 made of a chrome molybdenum steel material, so that the weight of the bike itself can be greatly reduced, thereby making a user feel more comfortable during riding.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. A mountain bike comprises a frame (1), a front wheel (11), a rear wheel (12), a handlebar (13), a saddle (14), a driving piece (15) and a braking piece (16) which are arranged on the frame (1), wherein the driving piece (15) comprises a driving chain wheel, a shock absorption unit (2) is arranged on the frame (1), the shock absorption unit (2) comprises a front fork shock absorption mechanism (21) connected with the front wheel (11) and a rear shock absorption mechanism (22) connected with the rear wheel (12), the front fork shock absorption mechanism (21) comprises a handle fork (211), a wheel fork (212) and a front hinge airbag shock absorber (213) which are obliquely arranged, the front hinge airbag shock absorber (213) is respectively hinged with the handle fork (211) and the wheel fork (212), and one sides of the handle fork (211) and the wheel fork (212) far away from the front hinge airbag shock absorber (213) are hinged with each other; the handlebar vertical fork (211) comprises a fixed fork (211-1) and a connecting rod (211-2) which are fixed on two sides of a handlebar (13), the connecting rod (211-2) is hinged with a front hinge air bag shock absorber (213), and the fixed fork (211-1) is hinged with a wheel fork (212); the wheel fork (212) is arranged at a corner, the corner position of the wheel fork (212) is rotatably connected with the front wheel (11), the vertical fork (211), the wheel fork (212) and the front hinge air bag shock absorber (213) are arranged in a diamond shape, and the hinged part of the wheel fork (212) and the fixed fork (211-1) is arranged in parallel to the horizontal plane; the lengths of two sides of the corner of the wheel fork (212) are the same, and the corner position of the wheel fork (212) falls on the extension line of the handlebar (13); the bicycle frame (1) comprises two parts, wherein an upper pipe (18) is arranged in an arc shape above the bicycle frame, the upper pipe (18) protrudes upwards, a lower pipe (20) is arranged in the arc shape below the bicycle frame, the lower pipe (20) protrudes towards the left side to form a crescent shape, the radian of the upper pipe (18) is greater than that of the lower pipe (20), a head pipe (17) is integrally arranged on the left side of the upper pipe (18), and a middle pipe (19) is arranged between the head pipe (17) and the lower pipe (20); rear suspension mechanism (22) including back chain stay (221) and back hinge gasbag bumper shock absorber (222) that slope in the horizontal plane setting, back hinge gasbag bumper shock absorber (222) are articulated with back chain stay (221) and low tube (20) respectively, wherein, driving sprocket is in some position departments before on the one side rotate under the saddle are connected to on frame (1), back chain stay (221) one end articulates the intermediate position at low tube (20), and the other end rotates with rear wheel (12) and is connected.

2. The mountain bike as claimed in claim 1, wherein: the head pipe (17) is connected with the handlebar (13), the saddle (14) is fixed at the highest point of the upper pipe (18), and the middle pipe (19) is rotationally connected with the driving piece (15).

3. The mountain bike as claimed in claim 1, wherein: the frame (1) is made of a chromium-molybdenum steel square tube or a groove tube (3).