CN215553767U - Sprocket crank for field racing car - Google Patents

Abstract

The utility model discloses a sprocket crank for a field racing car, which has the technical scheme that: the chain wheel is fixedly provided with a crank, the crank is rotatably provided with a pedal, the chain wheel is fixedly provided with a support, the support is detachably provided with an oil tank, the oil tank is fixedly provided with a pendant, the pendant and the support are correspondingly provided with fixing holes, the upper end of the oil tank is provided with an oil filling hole, the bottom of the oil tank is provided with an opening, the inner wall of the opening is provided with a plurality of drip holes, and a sponge pad is fixedly arranged in the opening; the chain lubricating device can continuously lubricate the chain and the honesty road under the condition that the racing car runs for a long time at high strength, so as to ensure the stable and smooth running of the racing car.

Description

Sprocket crank for field racing car

Technical Field

The utility model relates to the technical field of chain wheel cranks, in particular to a chain wheel crank for a field racing car.

Background

The crank is used in parts of the bicycle, and can drive chain wheels of the bicycle to move in a matched mode, so that the running of the bicycle is more efficient; the sprocket is a wheel with cogged sprocket teeth for meshing with precisely pitched blocks on a chain link or cable. The chain wheel is widely applied to mechanical transmission and the like in the industries of chemical engineering, textile machinery, escalators, wood processing, three-dimensional parking garages, agricultural machinery, food processing, instruments, petroleum and the like.

Refer to current publication for CN 209225334U's chinese patent, it discloses a sprocket crank for bicycle, to the problem of current crank length adjustment, now proposes following scheme, and it includes the sprocket, the inner wall welding of sprocket has the stiffener that is the matrix setting, the other end welding of stiffener has the positioning disk, the connecting plate is installed in the front of positioning disk, one side welding that the positioning disk was kept away from to the connecting plate has the connecting rod, the other end welding of connecting rod has adjusts pole etc..

The chain wheel crank is single in function, and needs to run with high strength as a field racing car, the chain and the chain wheel are rubbed with high strength, the smoothness of running of the racing car can be greatly reduced due to long-time high-strength running, and therefore the lubricating effect needs to be paid extra attention.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chain wheel crank for a field racing car, aiming at solving the problem that the lubricating effect between a chain and a chain wheel is poor after the high-strength running of the racing car in the background art.

The technical purpose of the utility model is realized by the following technical scheme:

a chain wheel crank for field racing comprises a chain wheel, wherein a crank is fixedly arranged on the chain wheel, a pedal is rotatably arranged on the crank, a support is fixedly arranged on the chain wheel, an oil tank is detachably arranged on the support, a hanging piece is fixedly arranged on the oil tank, fixing holes are correspondingly formed in the hanging piece and the support, an oil filling hole is formed in the upper end of the oil tank, an opening is formed in the bottom of the oil tank, a plurality of dripping holes are formed in the inner wall of the opening, and a sponge pad is fixedly arranged in the opening; lubricating oil is injected into the oil tank through the oil injection hole, the lubricating oil slowly drips on the sponge pad through the dripping hole, the sponge pad is permeated by the lubricating oil, the chain and the sponge pad rub against each other during operation, and the lubricating oil on the sponge pad is smeared on the chain through gravity; the chain, the chain wheel and the crank can be lubricated uninterruptedly by repeating the above steps, so that the normal and high-efficiency operation of the racing car is ensured; meanwhile, in order to adapt to chains, chain wheels and the like with different sizes, the chain wheels and the like can be adapted by adjusting fixing points between the bracket and the oil tank; bringing an excellent comfortable experience for the rider.

Further, the foam-rubber cushion is made of high-resilience foam material.

Through adopting above-mentioned technical scheme, high resilience sponge can be restituted fast after receiving chatting the strip extrusion to this guarantees that the concave-convex part on the chain all paints lubricating oil as far as possible.

Furthermore, the oil tank is flat and the thickness of the oil tank does not exceed the thickness of the crank.

Through adopting above-mentioned technical scheme, the platykurtic and thickness do not exceed the crank in order to avoid the rider to easily bump the oil tank in the process of riding, exist sense and occupation area as far as reducing the oil tank as possible.

Further, the surface of the crank is provided with a groove.

Through adopting above-mentioned technical scheme, the design of recess is for carrying out to a certain extent for the crank and subtract heavy realization lightweight, brings better riding experience for the rider.

Furthermore, the side of the oil tank is provided with an observation window.

Through adopting above-mentioned technical scheme, the observation window ground sets up the surplus condition of the oil mass in the oil tank of being convenient for the rider observation to in time refuel the supply.

Furthermore, the material of observation window is ya keli.

By adopting the technical scheme, the acrylic plate has excellent transparency, is a colorless transparent organic glass plate, has light transmittance of more than 92 percent, excellent weather resistance and strong adaptability to natural environment, and can not change the performance even under the conditions of sunlight irradiation and wind, rain and rain for a long time.

In summary, the utility model mainly has the following beneficial effects:

1. the utility model improves the traditional chain wheel crank for the field racing car, and can continuously lubricate the chain, the chain wheel and the crank when the racing car runs at high intensity; lubricating oil is injected into the oil tank through the oil injection hole, the lubricating oil slowly drips on the sponge pad through the dripping hole, the sponge pad is permeated by the lubricating oil, the chain and the sponge pad rub against each other during operation, and the lubricating oil on the sponge pad is smeared on the chain through gravity; the chain, the chain wheel and the crank can be lubricated uninterruptedly by repeating the above steps, so that the normal and high-efficiency operation of the racing car is ensured; meanwhile, in order to adapt to chains, chain wheels and the like with different sizes, the chain wheels and the like can be adapted by adjusting fixing points between the bracket and the oil tank; bringing an excellent comfortable experience for the rider.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the fuel tank;

fig. 3 is a schematic structural view of a drip hole.

In the figure: 1. a sprocket; 2. a crank; 3. a pedal; 4. a support; 5. an oil tank; 6. hanging parts; 7. a fixing hole; 8. an oil filler hole; 9. an opening; 10. a dropping hole; 11. a sponge cushion; 12. a groove; 13. and (4) an observation window.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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," "second," "third," "fourth," "fifth," and "sixth" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, a sprocket crank for a field race comprises a sprocket 1, a crank 2 is fixedly arranged on the sprocket 1, a pedal 3 is rotatably arranged on the crank 2, a support 4 is fixedly arranged on the sprocket 1, an oil tank 5 is detachably arranged on the support 4, a hanging piece 6 is fixedly arranged on the oil tank 5, a fixing hole 7 is correspondingly arranged on the hanging piece 6 and the support 4, an oil filling hole 8 is arranged at the upper end of the oil tank 5, an opening 9 is arranged at the bottom of the oil tank 5, a plurality of drip holes 10 are arranged on the inner wall of the opening 9, and a sponge pad 11 is fixedly arranged in the opening 9; lubricating oil is injected into the oil tank 5 through the oil injection hole 8, the lubricating oil slowly drips on the spongy cushion 11 through the dripping hole 10, the spongy cushion 11 is permeated by the lubricating oil, the chain and the spongy cushion 11 rub against each other during operation, and the lubricating oil on the spongy cushion 11 is smeared on the chain through gravity; the chain, the chain wheel 1 and the crank 2 can be lubricated uninterruptedly by repeating the above steps, so that the normal and high-efficiency operation of the racing car is ensured; meanwhile, in order to adapt to the chain, the chain wheel 1 and the like with different sizes, the chain wheel and the like can be adapted by adjusting the fixing point between the bracket 4 and the oil tank 5; bringing an excellent comfortable experience for the rider.

Referring to fig. 2, the sponge pad 11 is made of a high resilience sponge material, and the high resilience sponge can quickly rebound after being squeezed by a chatting stick, so that the uneven parts on the chain can be coated with the lubricating oil as much as possible.

Referring to fig. 1, the oil tank 5 is flat and has a thickness not exceeding the thickness of the crank 2, and the flat and the thickness not exceeding the thickness of the crank 2 are used for avoiding that the rider easily touches the oil tank 5 during riding, and reducing the existing feeling and the occupied area of the oil tank 5 as much as possible.

Referring to fig. 1, the surface of the crank 2 is provided with a groove 12, and the groove 12 is designed to reduce weight of the crank 2 to a certain extent to achieve light weight and bring better riding experience for a rider.

Referring to fig. 2, the side of the fuel tank 5 is provided with an observation window 13, and the observation window 13 is arranged to facilitate the rider to observe the residual condition of the fuel amount in the fuel tank 5 so as to supply fuel in time.

Referring to fig. 2, the material of the observation window 13 is acrylic, the acrylic plate has excellent transparency, is a colorless transparent organic glass plate, has a light transmittance of more than 92%, has excellent weather resistance, has strong adaptability to the natural environment, and does not change its performance even under sunlight irradiation and wind, rain and rain for a long time.

When the chain-type racing car is used, the chain wheel 1 and the crank 2 can be lubricated continuously when the racing car runs at high strength; lubricating oil is injected into the oil tank 5 through the oil injection hole 8, the lubricating oil slowly drips on the spongy cushion 11 through the dripping hole 10, the spongy cushion 11 is permeated by the lubricating oil, the chain and the spongy cushion 11 rub against each other during operation, and the lubricating oil on the spongy cushion 11 is smeared on the chain through gravity; the chain, the chain wheel 1 and the crank 2 can be lubricated uninterruptedly by repeating the above steps, so that the normal and high-efficiency operation of the racing car is ensured; meanwhile, in order to adapt to the chain, the chain wheel 1 and the like with different sizes, the chain wheel and the like can be adapted by adjusting the fixing point between the bracket 4 and the oil tank 5; bringing an excellent comfortable experience for the rider.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a chain wheel crank for field racing car, includes sprocket (1), its characterized in that: the chain wheel is characterized in that a crank (2) is fixedly arranged on the chain wheel (1), a pedal (3) is arranged on the crank (2) in a rotating mode, a support (4) is fixedly arranged on the chain wheel (1), an oil tank (5) is detachably arranged on the support (4), a hanging piece (6) is fixedly arranged on the oil tank (5), a fixing hole (7) is correspondingly arranged on the support (4), an oil filling hole (8) is formed in the upper end of the oil tank (5), an opening (9) is formed in the bottom of the oil tank (5), a plurality of dropping holes (10) are formed in the inner wall of the opening (9), and a sponge pad (11) is fixedly arranged in the opening (9).

2. The track racer sprocket crank of claim 1, wherein: the spongy cushion (11) is made of high-resilience sponge materials.

3. The track racer sprocket crank of claim 1, wherein: the oil tank (5) is flat and the thickness of the oil tank does not exceed the thickness of the crank (2).

4. The track racer sprocket crank of claim 1, wherein: the surface of the crank (2) is provided with a groove (12).

5. The track racer sprocket crank of claim 1, wherein: and an observation window (13) is arranged on the side surface of the oil tank (5).

6. The track racer sprocket crank of claim 1, wherein: the observation window (13) is made of acrylic.

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