CN211844783U - Bicycle labor-saving crank connecting rod capable of accelerating speed - Google Patents

Abstract

The utility model discloses a laborsaving crank connecting rod of bicycle that can speed up, including sprocket dish, main tributary vaulting pole, auxiliary support pole and middle axis of rotation, the sprocket dish cup joints in the middle axis of rotation outside, the main tributary vaulting pole is all installed at middle axis of rotation both ends, the main tributary vaulting pole deviates from one side that the one end of middle axis of rotation deviates from middle axis of rotation and installs the second axis of rotation, the auxiliary support pole is installed in the second axis of rotation outside, the running-board is installed to one side that the one end that the auxiliary support pole deviates from the main tributary vaulting pole of auxiliary. The utility model discloses can install on bicycle, electric motor car, tricycle and lithium-ion trolley-bus, accomplish the work of present pedal, the utility model discloses can make the length increase of pedal connecting rod through the crank connecting rod of L type design, reach laborsaving effect, and through the intervention of spring, when can make the pedal to the below, the pedal of top can be more laborsaving.

Description

Bicycle labor-saving crank connecting rod capable of accelerating speed

Technical Field

The utility model relates to a bicycle corollary equipment technical field specifically is a laborsaving crank connecting rod of bicycle that can accelerate.

Background

The bicycle, also known as a bicycle or a bicycle, is a two-wheeled small land vehicle generally, and after a person rides on the bicycle, the person steps on pedals as power, so that the bicycle is a green and environment-friendly vehicle, can be used as an environment-friendly vehicle for riding instead of walking and going out, more and more people use the bicycle as fitness equipment for riding exercise and bicycle travel, and the bicycle is also a sports competition.

Although the bicycle is a green travel tool, the bicycle is better if the bicycle can save more labor, and the most effective force reducing measure of the bicycle is to modify the pedal plate, so that the bicycle labor-saving crank connecting rod capable of increasing the speed is needed at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bicycle laborsaving crank connecting rod that can speed up possesses can be convenient install the bicycle on, reequips the bicycle, and can improve the speed of bicycle, simultaneously, can also be more laborsaving advantage, has solved present bicycle, need consume very big strength's problem during the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laborsaving crank connecting rod of bicycle that can speed up, includes sprocket dish, main tributary vaulting pole, auxiliary stay pole and middle axis of rotation, the sprocket dish cup joints in the middle axis of rotation outside, the main tributary vaulting pole is all installed at middle axis of rotation both ends, the one end that the main tributary vaulting pole deviates from middle axis of rotation is deviated from one side of middle axis of rotation and is installed the second axis of rotation, the auxiliary stay pole is installed in the second axis of rotation outside, the running-board is installed to one side that the one end that the auxiliary stay pole deviates from the main.

Preferably, the intermediate rotational axes are symmetrically distributed about the sprocket wheel.

Preferably, a first bolt hole is formed in the position, corresponding to the middle rotating shaft, of the main support rod, a first bolt is inserted into the first bolt hole, and the first bolt is inserted into the middle rotating shaft.

Preferably, a second bolt hole is formed in the position, corresponding to the main support rod, of the auxiliary support rod, a second bolt is inserted into the second bolt hole, and the second bolt is inserted into the main support rod.

Preferably, the outer side of the second rotating shaft is sleeved with a limiting bearing, one side of the limiting bearing is welded on the surface of the main supporting rod, and the other side of the limiting bearing is in contact with the auxiliary supporting rod.

Preferably, be ninety degrees between main tributary vaulting pole and the auxiliary stay pole, the spring limiting plate is installed to one side that the main tributary vaulting pole is close to auxiliary stay pole one end, and the spring limiting plate is close to one side of auxiliary stay pole and installs the spring of kick-backing, spring mounting spare is installed to the spring end of kick-backing, and spring mounting spare installs on auxiliary stay pole surface.

Preferably, main tributary vaulting pole, auxiliary support pole, running-board, first bolt hole, first bolt, second bolt hole, second bolt, second axis of rotation, spacing bearing, spring limiting plate, rebound spring and spring mounting spare all are equipped with two, and two main tributary vaulting pole, auxiliary support pole, running-board, first bolt hole, first bolt, second bolt hole, second bolt, second axis of rotation, spacing bearing, spring limiting plate, rebound spring and spring mounting spare rotational symmetry distribute.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up main tributary vaulting pole and auxiliary stay pole, reached the length increase that makes the crank link, reached laborsaving effect, through the length that has increased the crank link, can let the user more laborsaving when using, according to lever principle, the arm of force has lengthened, and the end applied force just can reduce.

2. The utility model discloses a set up first bolt hole and first bolt, reached the effect that conveniently installs and dismantle equipment, what the user can be convenient dismantles original pedal, installs the utility model discloses, can begin work in the installation.

3. The utility model discloses a set up the rebound spring, reached and let the user save effort effect more when using, when the user steps on the lower with the pedal, the below rebound spring extends to maximum length, and the foot begins not to apply force, and the rebound spring begins to contract and contracts, makes the pedal of upper end produce forward thrust, makes equipment more laborsaving when using.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure at B of the present invention.

In the figure: 1. a sprocket plate; 2. a main support bar; 3. an auxiliary support rod; 4. a foot pedal; 5. a middle rotating shaft; 6. a first bolt hole; 7. a first bolt; 8. a second bolt hole; 9. a second bolt; 10. a second rotating shaft; 11. a limit bearing; 12. a spring limiting plate; 13. a rebound spring; 14. a spring mount.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and fig. 2, the present invention provides an embodiment: a bicycle labor-saving crank connecting rod capable of increasing speed comprises a chain wheel disc 1, a main support rod 2, an auxiliary support rod 3 and a middle rotating shaft 5, wherein the chain wheel disc 1 is sleeved outside the middle rotating shaft 5, the middle rotating shaft 5 is symmetrically distributed about the chain wheel disc 1, the main support rod 2 is installed at two ends of the middle rotating shaft 5, a first bolt hole 6 is formed in the position, corresponding to the middle rotating shaft 5, of the main support rod 2, a first bolt 7 is inserted into the first bolt hole 6, and the first bolt 7 is inserted into the middle rotating shaft 5, the utility model is provided with the first bolt hole 6 and the first bolt 7, so that equipment can be conveniently installed and disassembled, the equipment is more conveniently and quickly used, one side, deviating from the middle rotating shaft 5, of one end, deviating from the middle rotating shaft 5, of the main support rod 2 is provided with a second rotating shaft 10, and the auxiliary support rod, a second bolt hole 8 is formed in the position, corresponding to the main support rod 2, of the auxiliary support rod 3, a second bolt 9 is inserted into the second bolt hole 8, the second bolt 9 is inserted into the main support rod 2, the auxiliary support rod 3 can be conveniently installed and disassembled by arranging the second bolt hole 8 and the second bolt 9, a limiting bearing 11 is sleeved outside the second rotating shaft 10, one side of the limiting bearing 11 is welded on the surface of the main support rod 2, the other side of the limiting bearing 11 is in contact with the auxiliary support rod 3, a pedal plate 4 is installed on one side, away from the main support rod 2, of one end of the auxiliary support rod 3, away from the main support rod 2, the auxiliary support rod 3, the pedal plate 4, a first bolt hole 6, a first bolt 7, a second bolt hole 8, a second bolt 9, the second rotating shaft 10, the limiting bearing 11, a spring limiting plate 12, a rebound spring 13 and a, and the two main support rods 2, the auxiliary support rod 3, the pedal plate 4, the first bolt hole 6, the first bolt 7, the second bolt hole 8, the second bolt 9, the second rotating shaft 10, the limiting bearing 11, the spring limiting plate 12, the rebound spring 13 and the spring mounting piece 14 are rotationally and symmetrically distributed.

Referring to fig. 1 and fig. 3, the present invention provides an embodiment: a bicycle labor-saving crank connecting rod capable of increasing speed comprises a chain wheel disc 1, a main support rod 2, an auxiliary support rod 3 and a middle rotating shaft 5, wherein the chain wheel disc 1 is sleeved outside the middle rotating shaft 5, the main support rod 2 is installed at two ends of the middle rotating shaft 5, a second rotating shaft 10 is installed on one side, deviating from the middle rotating shaft 5, of one end, deviating from the middle rotating shaft 5, of the main support rod 2, the auxiliary support rod 3 is installed on the outer side of the second rotating shaft 10, a pedal plate 4 is installed on one side, deviating from the main support rod 2, of one end, deviating from the main support rod 2, of the auxiliary support rod 3, ninety degrees are formed between the main support rod 2 and the auxiliary support rod 3, a spring limiting plate 12 is installed on one side, close to the auxiliary support rod 3, of the spring limiting plate 12 is installed with a, through the design of spring limiting plate 12, rebound spring 13 and spring mounting spare 14, can make equipment more laborsaving, when the user stepped on the minimum with running-board 4, below rebound spring 13 extended to the maximum length, and the foot begins not to exert force, and rebound spring 13 begins to retract, makes running-board 4 of upper end produce forward thrust.

The working principle is as follows: the user is after dismantling the original connecting rod of bicycle, through first bolt hole 6 and first bolt 7, install main tributary vaulting pole 2, rethread second bolt hole 8 and second bolt 9, install vice support column 3, after the installation is accomplished, can begin to work, the user rides according to original bicycle mode of riding, when running-board 4 moves to the lower extreme, rebound spring 13 is stretched to the longest position, begin to retract, make running-board 4 of top produce a level forward power, to this end, the workflow of whole equipment is accomplished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a laborsaving crank connecting rod of bicycle that can speed up, includes sprocket dish (1), main tributary vaulting pole (2), vice bracing piece (3) and middle axis of rotation (5), its characterized in that: sprocket dish (1) cup joints in middle axis of rotation (5) outside, main tributary vaulting pole (2) are all installed at middle axis of rotation (5) both ends, main tributary vaulting pole (2) deviate from one side that middle axis of rotation (5) was deviated from in the one end of middle axis of rotation (5) and install second axis of rotation (10), vice bracing piece (3) are installed in second axis of rotation (10) outside, running-board (4) are installed to one side that vice bracing piece (3) deviate from main tributary vaulting pole (2) in the one end that deviates from main tributary vaulting pole (2).

2. A bicycle power saving crank link capable of speed up as claimed in claim 1, wherein: the middle rotating shafts (5) are symmetrically distributed relative to the chain wheel disc (1).

3. A bicycle power saving crank link capable of speed up as claimed in claim 1, wherein: a first bolt hole (6) is formed in the position, corresponding to the middle rotating shaft (5), of the main support rod (2), a first bolt (7) is inserted into the first bolt hole (6), and the first bolt (7) is inserted into the middle rotating shaft (5).

4. A bicycle power saving crank link capable of speed up as claimed in claim 1, wherein: and a second bolt hole (8) is formed in the position, corresponding to the main support rod (2), of the auxiliary support rod (3), a second bolt (9) is inserted into the second bolt hole (8), and the second bolt (9) is inserted into the main support rod (2).

5. A bicycle power saving crank link capable of speed up as claimed in claim 1, wherein: and a limiting bearing (11) is sleeved on the outer side of the second rotating shaft (10), one side of the limiting bearing (11) is welded on the surface of the main supporting rod (2), and the other side of the limiting bearing (11) is in contact with the auxiliary supporting rod (3).

6. A bicycle power saving crank link capable of speed up as claimed in claim 1, wherein: be ninety degrees between main tributary vaulting pole (2) and auxiliary stay pole (3), spring limiting plate (12) are installed to one side that main tributary vaulting pole (2) are close to auxiliary stay pole (3) one end, and one side that spring limiting plate (12) are close to auxiliary stay pole (3) installs rebound spring (13), spring installed part (14) are installed to rebound spring (13) end, and install on auxiliary stay pole (3) surface spring installed part (14).

7. A bicycle power saving crank link capable of speed up as claimed in claim 1, wherein: the main support rod (2), the auxiliary support rod (3), the pedal plate (4), the first bolt hole (6), the first bolt (7), the second bolt hole (8), the second bolt (9), the second rotating shaft (10), the limiting bearing (11), the spring limiting plate (12), the rebound spring (13) and the spring mounting piece (14) are respectively provided with two, and two, the main support rod (2), the auxiliary support rod (3), the pedal plate (4), the first bolt hole (6), the first bolt (7), the second bolt hole (8), the second bolt (9), the second rotating shaft (10), the limiting bearing (11), the spring limiting plate (12), the rebound spring (13) and the spring mounting piece (14) are rotationally and symmetrically distributed.

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