CN221049860U - Mountain bike frame and mountain bike - Google Patents

Abstract

The utility model provides a mountain bike frame and a mountain bike, wherein the middle part of a first rotating connecting piece is rotationally connected with the central part of the axial direction of a middle tube, the lower end of a shock absorber is rotationally connected with the lower end of the first rotating connecting piece, and the upper end of the first rotating connecting piece is rotationally connected with the tail end of a front triangle upper tube, so that a lever support can be formed on the lower end of the shock absorber, the support strength of the tail end of the shock absorber is enhanced, and the shock absorber can play a good role in shock absorption without a back liner damper or a high pound spring. Simultaneously, at the in-process that the rider tramples pedal by gravity, can prevent that the shock absorber from causing the rebound to the rear fork structure and strikeed, consequently can not cause mountain bike frame to produce deformation because of trampling the power excessively to can effectively avoid mountain bike to cause mountain bike frame to produce deformation fatigue damage easily because of heavily trampling in the process of riding, be favorable to improving the travelling comfort of riding, and prolong the life of mountain bike frame.

Description

Mountain bike frame and mountain bike

Technical Field

The utility model belongs to the technical field of mountain bike accessories, and particularly relates to a mountain bike frame and a mountain bike.

Background

The mountain bike frame component serves as a skeleton of the whole mountain bike (mountain bike), so that the correctness and comfortableness of riding postures of a rider are determined and influenced to the greatest extent. At present, mountain bike bicycle can be because of the great and mountain bike frame that causes of the heavy power of trampling produces deformation at the in-process of riding, not only influences mountain bike's normal riding, and long-term riding can increase mountain bike frame's fatigue moreover, therefore reduces bicycle frame and the life of relevant part.

Disclosure of utility model

Based on the above-mentioned problems in the prior art, an object of an embodiment of the present utility model is to provide a mountain bike frame, so as to solve the problem that the mountain bike frame is easy to generate deformation fatigue due to heavy pedaling in the riding process in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a mountain bike frame, comprising:

The front tripod body comprises a front triangle upper pipe, a front triangle lower pipe and a vertically arranged middle pipe, wherein the head end of the front triangle upper pipe is fixedly connected with the head end of the front triangle lower pipe, and the middle pipe is respectively fixedly connected with the tail end of the front triangle upper pipe and the tail end of the front triangle lower pipe;

The rear tripod body comprises a rear upper fork and a rear lower fork connected with the rear upper fork, the head end of the rear upper fork is rotationally connected with the axial middle part of the middle pipe, the head end of the rear lower fork is rotationally connected with the bottom of the middle pipe, and the tail end of the rear upper fork is fixedly connected with the tail end of the rear lower fork;

the axial direction of the shock absorber is parallel to the axial direction of the front triangle lower pipe, and the upper end of the shock absorber is rotationally connected with the axial middle part of the front triangle lower pipe; and

The first rotary connecting piece is rotationally connected with the axial middle part of the middle pipe;

The upper end of the first rotating connecting piece is rotationally connected with the tail end of the front triangle upper pipe, and the lower end of the first rotating connecting piece is rotationally connected with the lower end of the shock absorber.

Further, the mountain bike frame further comprises a second rotating connecting piece which is connected with the first rotating connecting piece and the middle pipe in a rotating mode, the second rotating connecting piece is arranged transversely, the first end of the second rotating connecting piece is connected with the axial middle part of the middle pipe in a rotating mode through a pivot, and the second end of the second rotating connecting piece is connected with the middle part of the first rotating connecting piece in a rotating mode through a pivot.

Further, the first rotating connecting piece comprises a rotating seat, a first rotating arm and a second rotating arm, wherein the rotating seat is rotatably connected with the second end of the second rotating connecting piece, the first rotating arm is arranged on the upper portion of the rotating seat, the second rotating arm is arranged on the lower portion of the rotating seat, the first rotating arm is rotatably connected with the tail end of the front triangle upper pipe through a pivot, and the second rotating arm is rotatably connected with the lower end of the shock absorber through a pivot.

Further, the first rotating arm is connected with the rotating seat in an angle, the second rotating arm is connected with the rotating seat in an angle, and the length direction of the first rotating arm is parallel to the length direction of the second rotating arm.

Further, one end of the second rotating arm, which is rotationally connected with the shock absorber, is arranged close to the bottom of the middle pipe; or one end of the second rotating arm rotationally connected with the shock absorber is close to the head end of the rear lower fork.

Further, the mountain bike frame further comprises an idler wheel used for being matched with the chain wheel and the flywheel to mesh and stretch the chain, the idler wheel is rotatably installed at the head end of the rear upper fork, and the idler wheel is located right above the chain wheel.

Further, the idler gear adopts a gear with the number of teeth of 18T.

Further, the rear upper fork comprises two rear triangle upper pipes, the rear lower fork comprises two rear triangle lower pipes, the rear tripod body further comprises a fixed connecting rod fixedly connecting the head end of each rear triangle upper pipe with the head end of the corresponding rear triangle lower pipe, and the tail end of each rear triangle upper pipe is fixedly connected with the tail end of the corresponding rear triangle lower pipe.

Further, the rear upper fork comprises two rear triangle upper pipes, the rear lower fork comprises two rear triangle lower pipes, and each rear triangle upper pipe and the corresponding rear triangle lower pipe are integrally formed.

Based on the above-mentioned problems in the prior art, it is a second object of an embodiment of the present utility model to provide a mountain bike having a mountain bike frame according to any of the above-mentioned aspects.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the mountain bike comprises the mountain bike frame provided by any one of the above schemes.

Compared with the prior art, the one or more technical schemes in the embodiment of the utility model have at least one of the following beneficial effects:

According to the mountain bike frame and the mountain bike, the middle part of the first rotating connecting piece is rotationally connected with the central part of the middle tube in the axial direction, the lower end of the shock absorber is rotationally connected with the lower end of the first rotating connecting piece, and the upper end of the first rotating connecting piece is rotationally connected with the tail end of the front triangle upper tube, so that a lever support can be formed on the lower end of the shock absorber, the support strength of the tail end of the shock absorber is enhanced, and a good shock absorption effect can be achieved without configuring a rear liner damper or a high pound spring. Simultaneously, at the in-process that the rider tramples pedal by gravity, can prevent that the shock absorber from causing the rebound to the rear fork structure and strikeed, consequently can not cause mountain bike frame to produce deformation because of trampling the power excessively to can effectively avoid mountain bike to cause mountain bike frame to produce deformation fatigue damage easily because of heavily trampling in the process of riding, be favorable to improving the travelling comfort of riding, and prolong the life of mountain bike frame.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a mountain bike frame according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1, partially enlarged;

Fig. 3 is a schematic diagram of a front view structure of a mountain bike frame according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1-a front tripod body; 11-front triangle upper tube; 12-front triangle down tube; 13-a riser;

2-a rear tripod body; 21-a rear fork; 211-a rear triangle upper tube; 22-rear lower fork; 221-lower triangle pipe; 23-fixing the connecting rod;

3-a shock absorber; 31-a rear bladder;

4-a first rotary connection; 41-a rotating seat; 42-a first rotating arm; 43-a second rotating arm;

5-a second rotational connection; 6-idler wheels; 7-head tube;

8-dental tray; 9-reinforcing structure; 10-a rear bladder connector; 20-pivot; 30-rear wheels.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "connected to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment," "in some embodiments," or "in some embodiments" in various places throughout this specification are not all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 to 3, a mountain bike frame provided by an embodiment of the present invention is now described, and the mountain bike frame provided by the embodiment of the present invention is suitable for a mountain bike (i.e. mountain bike). Referring to fig. 1, fig. 2 and fig. 3 in combination, the mountain bike frame provided by the embodiment of the invention includes a front tripod body 1, a rear tripod body 2, a shock absorber 3 and a first rotation connecting piece 4, the front tripod body 1 includes a front triangle upper pipe 11, a front triangle lower pipe 12 and a vertical pipe 13, the head end of the front triangle upper pipe 11 is fixedly connected with the head end of the front triangle lower pipe 12, and the vertical pipe 13 is fixedly connected with the tail end of the front triangle upper pipe 11 and the tail end of the front triangle lower pipe 12 respectively. The rear tripod body 2 comprises a rear upper fork 21 and a rear lower fork 22 connected with the rear upper fork 21, and the rear upper fork 21 and the rear lower fork 22 are connected to form a rear fork structure. The head end of the rear upper fork 21 is rotationally connected with the axial middle part of the vertical pipe 13, the head end of the rear lower fork 22 is rotationally connected with the bottom of the vertical pipe 13, and the tail end of the rear upper fork 21 is fixedly connected with the tail end of the rear lower fork 22, so that the front tripod body 1 and the rear tripod body 2 form a main framework structure of the mountain bike frame. The axial direction of the shock absorber 3 is parallel to the axial direction of the front triangle lower pipe 12, and the upper end of the shock absorber 3 is rotationally connected with the axial middle part of the front triangle lower pipe 12, so that the shock absorber 3 is arranged at the bottom of the front tripod body 1, the center of the mountain bike frame is lower, and the riding stability of the mountain bike is enhanced. The middle part of the first rotary connecting piece 4 is rotationally connected with the axial middle part of the vertical pipe 13, the upper end of the first rotary connecting piece 4 is rotationally connected with the tail end of the front triangle upper pipe 11, and the lower end of the first rotary connecting piece 4 is rotationally connected with the lower end of the shock absorber 3. Through the structure setting, can form the lever support to the lower extreme of shock absorber 3 to form powerful support to the end of shock absorber 3, make shock absorber 3 need not to dispose back courage attenuator or high pound number spring, can make shock absorber 3 can play good shock attenuation effect. Meanwhile, in the process of the gravity treading of the pedal by a rider, rebound and rebound of the rear fork structure by the shock absorber 3 can be prevented, deformation of the mountain bike frame caused by large treading force of heavy treading is avoided, and accordingly the defect that deformation fatigue damage is caused to the mountain bike frame due to heavy treading in the riding process of the mountain bike can be effectively overcome.

Compared with the prior art, the mountain bike frame provided by the embodiment of the invention has the advantages that the middle part of the first rotating connecting piece 4 is rotationally connected with the axial middle part of the vertical pipe 13, the lower end of the shock absorber 3 is rotationally connected with the lower end of the first rotating connecting piece 4, and the upper end of the first rotating connecting piece 4 is rotationally connected with the tail end of the front triangle upper pipe 11, so that lever support can be formed on the lower end of the shock absorber 3, the support strength of the tail end of the shock absorber 3 is enhanced, and the shock absorber 3 can play a good role in shock absorption without configuring a back liner damper or a high pound spring. Meanwhile, in the process of the gravity treading of the pedal by a rider, rebound and rebound of the rear fork structure by the shock absorber 3 can be prevented, so that deformation of the mountain bike frame caused by overlarge treading force is avoided, deformation fatigue damage of the mountain bike frame caused by severe treading in the riding process can be effectively avoided, riding comfort is improved, and the service life of the mountain bike frame is prolonged.

Referring to fig. 1,2 and 3, in some embodiments, the mountain bike frame further includes a second rotating connector 5 rotatably connecting the first rotating connector 4 with the vertical tube 13, the second rotating connector 5 is disposed transversely, a first end of the second rotating connector 5 is rotatably connected to an axially central portion of the vertical tube 13 through a pivot 20, and a second end of the second rotating connector 5 is rotatably connected to a central portion of the first rotating connector 4 through a pivot 20. In this embodiment, through the above-mentioned structure setting, because the first rotation connecting piece 4 of vertical setting rotates the connecting piece 5 through the second that transversely sets up with the axial centering position of riser 13 and rotates and link to each other, be favorable to reinforcing first rotation connecting piece 4 pivoted flexibility and rotation angle scope to be favorable to further reinforcing to the terminal support strength of shock absorber 3, guarantee the flexible sensitivity of shock absorber 3 simultaneously, can prevent that shock absorber 3 from causing the rebound to strike back to the rear fork structure. It should be noted that, in some specific application scenarios, the second rotating connecting piece 5 is an H-shaped rotating connecting bracket, and two ends of the H-shaped rotating connecting bracket are respectively connected with the vertical pipe 13 and the first rotating connecting piece 4 in a rotating manner through a pivot 20 and a bearing.

Referring to fig. 1, 2 and 3 in combination, in some embodiments, the first rotary connecting member 4 includes a rotary base 41 rotatably connected to the second end of the second rotary connecting member 5, a first rotary arm 42 disposed on an upper portion of the rotary base 41, and a second rotary arm 43 disposed on a lower portion of the rotary base 41, wherein the first rotary arm 42 is rotatably connected to the rear end of the front triangle upper tube 11 through a pivot 20 and a bearing, and the second rotary arm 43 is rotatably connected to the lower end of the shock absorber 3 through the pivot 20 and the bearing. In this embodiment, through the above-mentioned structure setting to form lever support to the lower extreme of shock absorber 3, thereby form strong support to the terminal of shock absorber 3, make shock absorber 3 need not to dispose back courage attenuator or high pound number spring, can prevent that shock absorber 3 from causing the rebound to the back fork structure and strikeing.

Referring to fig. 1, 2 and 3, in some embodiments, the first rotating arm 42 is connected to the rotating base 41 at an angle, the second rotating arm 43 is connected to the rotating base 41 at an angle, and the length direction of the first rotating arm 42 is parallel to the length direction of the second rotating arm 43. In this embodiment, the above structure is provided to form a lever support for the lower end of the shock absorber 3, so that a strong support is formed for the end of the shock absorber 3, and the shock absorber 3 can be prevented from making rebound impact on the rear fork structure.

Referring to fig. 1, 2 and 3 in combination, in some embodiments, the end of the second rotating arm 43 rotatably connected to the shock absorber 3 is disposed adjacent to the bottom of the riser 13; or one end of the second rotating arm 43 rotatably connected to the shock absorber 3 is disposed adjacent to the head end of the rear lower fork 22. The mounting position of the shock absorber 3 can be reduced, so that the center of the mountain bike frame is lower, and the riding stability of the mountain bike is enhanced.

Referring to fig. 1, 2 and 3, in some embodiments, the mountain bike frame further includes an idler 6 for engaging with the toothed disc 8 and the flywheel and stretching the chain, wherein the idler 6 is rotatably mounted on the front end of the rear upper fork 21, and the idler 6 is located directly above the toothed disc 8. In this embodiment, through setting up idler 6, can strengthen the stability of chain under the impact operating mode, under the prerequisite of guaranteeing the efficiency is trampled through the footboard to the rider, reduce footboard return stroke and the tensile volume of chain, be favorable to promoting the life of flywheel and chain. It should be noted that, idler 6 adopts the gear that the number of teeth is 18T, can prevent that the too big and easy jump tooth of chain wrap angle from appearing to be favorable to guaranteeing the rider and trampling efficiency through the footboard.

Referring to fig. 1 and 3 in combination, in some embodiments, the rear upper fork 21 includes two rear triangle upper pipes 211, the rear lower fork 22 includes two rear triangle lower pipes 221, the rear tripod body 2 further includes a fixing connection rod 23 fixedly connecting a head end of each rear triangle upper pipe 211 with a head end of a corresponding rear triangle lower pipe 221, and a tail end of each rear triangle upper pipe 211 is fixedly connected with a tail end of a corresponding rear triangle lower pipe 221. In this embodiment, through the above-mentioned structure setting, be favorable to reinforcing the intensity of back fork structure (back tripod body 2), be favorable to avoiding the mountain bike to ride the in-process because of heavily trampling and cause the mountain bike frame to produce deformation fatigue damage easily to realize improving the travelling comfort of riding, and extension mountain bike frame's life.

Referring to fig. 1 and 3 in combination, in some embodiments, the rear upper fork 21 includes two rear triangle upper pipes 211, the rear lower fork 22 includes two rear triangle lower pipes 221, and each rear triangle upper pipe 211 and the corresponding rear triangle lower pipe 221 are integrally formed, so as to further enhance the strength of the rear fork structure (rear tripod body 2) and avoid the deformation of the mountain bike frame caused by the operation of the vehicle motor.

Referring to fig. 1 and 3 in combination, in some embodiments, the rear upper fork 21 includes two rear triangle upper pipes 211, the rear lower fork 22 includes two rear triangle lower pipes 221, and each rear triangle upper pipe 211 and/or rear triangle lower pipe 221 are integrally formed with a corresponding fixed connecting rod 23, so as to further enhance the strength of the rear fork structure (rear tripod body 2) and avoid the deformation of the frame of the mountain bike caused by the operation of the vehicle-mounted motor.

Referring to fig. 1, 2 and 3, in some embodiments, the included angle between the vertical pipe 13 and the horizontal plane is 74 ° to 78 °, so as to improve the correctness and comfort of the riding posture of the rider on the premise of ensuring the stepping efficiency of the rider by the pedal.

Referring to fig. 1, 2 and 3 in combination, in some embodiments, a joint between a front end of a front triangle upper tube 11 and a front end of a front triangle lower tube 12 is provided with a head tube 7, a joint between a riser 13 and the front triangle upper tube 11 is provided with a reinforcement structure 9, a rear liner connector 10 for connecting a rear liner 31 of a shock absorber 3 to a front tripod body 1 is provided on the front triangle lower tube 12, a lower end of the rear liner 31 is rotatably connected with a lower end of a first rotation connector 4 through a pivot 20, and an upper end of the rear liner 31 is rotatably connected with the rear liner connector 10 through the pivot 20, so that an acting force of the rear liner 31 of the shock absorber 3 on a rear fork structure can be effectively dispersed, which is beneficial to avoid offset or displacement of the rear fork structure of a bicycle frame due to acting force of the rear liner 31 of the shock absorber 3.

The embodiment of the utility model also provides a mountain bike, which comprises the mountain bike frame provided by any one of the embodiments. The mountain bike has the same technical effects as the mountain bike frame provided in any one of the above embodiments.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A mountain bike frame, comprising:

The front tripod body comprises a front triangle upper pipe, a front triangle lower pipe and a vertically arranged middle pipe, wherein the head end of the front triangle upper pipe is fixedly connected with the head end of the front triangle lower pipe, and the middle pipe is respectively fixedly connected with the tail end of the front triangle upper pipe and the tail end of the front triangle lower pipe;

The rear tripod body comprises a rear upper fork and a rear lower fork connected with the rear upper fork, the head end of the rear upper fork is rotationally connected with the axial middle part of the middle pipe, the head end of the rear lower fork is rotationally connected with the bottom of the middle pipe, and the tail end of the rear upper fork is fixedly connected with the tail end of the rear lower fork;

The axial direction of the shock absorber is parallel to the axial direction of the front triangle lower pipe, and the upper end of the shock absorber is rotationally connected with the front triangle lower pipe; and

The first rotary connecting piece is rotationally connected with the axial middle part of the middle pipe;

The upper end of the first rotating connecting piece is rotationally connected with the tail end of the front triangle upper pipe, and the lower end of the first rotating connecting piece is rotationally connected with the lower end of the shock absorber.

2. The mountain bike frame of claim 1, further comprising a second rotational connector rotatably connecting the first rotational connector with the center tube, the second rotational connector being disposed transversely, a first end of the second rotational connector rotatably connected to an axially centered portion of the center tube by a pivot, and a second end of the second rotational connector rotatably connected to a centered portion of the first rotational connector by a pivot.

3. The mountain bike frame of claim 2 wherein the first rotational link includes a swivel base rotatably coupled to the second end of the second rotational link, a first swivel arm disposed on an upper portion of the swivel base and a second swivel arm disposed on a lower portion of the swivel base, the first swivel arm rotatably coupled to the rear end of the front triangle upper tube by a pivot, the second swivel arm rotatably coupled to the lower end of the shock absorber by a pivot.

4. A mountain bike frame as claimed in claim 3, wherein the first swivel arm is connected to the swivel base at an angle, the second swivel arm is connected to the swivel base at an angle, and the length direction of the first swivel arm is parallel to the length direction of the second swivel arm.

5. The mountain bike frame of claim 3 wherein the end of the second swivel arm that is rotatably coupled to the shock absorber is positioned adjacent the bottom of the center tube; or one end of the second rotating arm rotationally connected with the shock absorber is close to the head end of the rear lower fork.

6. The mountain bike frame of claim 1, further comprising an idler wheel for engaging the crankset and flywheel and stretching the chain, the idler wheel rotatably mounted to the head end of the rear upper fork and directly above the crankset.

7. The mountain bike frame of claim 6 wherein the idler gears are 18T gears.

8. The mountain bike frame of any one of claims 1-7, wherein the rear upper fork includes two rear triangle upper tubes and the rear lower fork includes two rear triangle lower tubes, the rear tripod body further includes a fixed connection rod fixedly connecting a head end of each of the rear triangle upper tubes with a head end of the corresponding rear triangle lower tube, and a tail end of each of the rear triangle upper tubes is fixedly connected with a tail end of the corresponding rear triangle lower tube.

9. The mountain bike frame of any one of claims 1-7, wherein the rear top fork includes two rear triangle top tubes and the rear bottom fork includes two rear triangle bottom tubes, each of the rear triangle top tubes being integrally formed with a corresponding one of the rear triangle bottom tubes.

10. Mountain bike, characterized in that it comprises a mountain bike frame as claimed in any of the claims 1-9.