CN2538573Y - Bicycle single flywheel with improved structure - Google Patents

Abstract

The utility model relates to a modified single freewheel structure for bicycles, which mainly comprises a single freewheel arranged between crotches. Wherein, the single freewheel is composed of a patterned shell. One end of the patterned shell is spliced with a rotator and a fluted disc. Connected cogs are formed in the rotator. All structures above form a modified single freewheel structure. In addition, a reversible gear and a rotator gear at one end of a tool grip are combined to achieve integral contact, provide a large contact area while the freewheel is started, effectively avoid a defect that dangers are easily caused for conventional freewheels during operation, ensure operational convenience, smooth and quick start and operational safety, enable users to maintain and demount the single freewheel more conveniently, keep higher practicality and tangibly bring great values to industrial utilization.

Description

Structure improved bicycle single flywheel

Technical field

The utility model relates to the single flywheel in the bicycle of a kind of trackless terrestrial vehicle field, particularly relates to a kind of structure improved bicycle single flywheel.It is to utilize to be provided with interconnective tooth portion, and can reach effect convenient and that disassemble fast, and becomes a kind of new design that quite has practicality and progressive, is suitable for the industrial community wide popularization and application.

Background technology

The structure of the current general existing bicycle single flywheel of commonly using, see also shown in Figure 1, the exploded perspective view that is No. the 306412nd, Taiwan patent announcement " single speed ratchet flower-drum " (sees annex one for details, be No. the 306412nd, Taiwan patent announcement " single speed ratchet flower-drum " bulletin text), its structure mainly is to comprise a flower-drum body (20), an end and interlocking at flower-drum body (20) are provided with a sleeve (30), then be provided with a pawl seat (40) in the sleeve (30), utilization is provided with an axostylus axostyle (50) and is placed and form fixing structure more at last, so reaches the flywheel functions with unidirectional rotation.Yet, well known, pawl seat (40) in inserting sleeve (30) after, because of it is to cooperate the rotation of fluted disc (90) to reach the effect of interlock flower-drum body (20), so packing degree in sleeve (30), also be subjected to the user to form half gripping orientation easily in long-time use back, when therefore needing to change if meet its in-to-in damage parts, in maintenance process, pulling down the cooresponding trouble that just seems in this action of pawl seat (40), and general dealer is in order to make it more smooth in disassembling process, just pawl seat (40) is carried out in various degree improvement, to reach the effect of disassembling smoothly.

The structure improved bicycle single flywheel that should existing commonly use sees also Fig. 2, shown in Figure 3, its structure mainly all is to be provided with single or a plurality of recesses (11), (11 ') on pawl seat (40), and the ora terminalis that utilizes a tool holder (12) is provided with protuberance (121), (121 ') with respect to this recess (11), (11 '), and reach the effect of smooth unlatching, yet the existing structure improved bicycle single flywheel of commonly using of this kind still has drawback in the use, and the defective that it is used is described as follows now:

1, at first, because of the existing structure improved bicycle single flywheel of commonly using, the area of contact of its concave, convex bilge construction is limited, therefore when disassembling, causes the user to produce sliding tooth easily when this tool holder of operation and the dangerous play of deviating from, so do not have a safety.

2 moreover, the existing structure improved bicycle single flywheel of commonly using, it is bearing whole weight because of this concave, convex portion when disassembling, so in disassembling process, cause the abrasion of this concave, convex portion easily, and after long-time the use, just form this concave, convex portion phase driving fit again, and cause the inconvenience in its generation maintenance.

More than be existing general structure improved bicycle single flywheel structure, because this kind structure not only can cause user's inconvenience, and can cause the misgivings on the safety, so integral body does not quite have practicality.This shows that above-mentioned existing bicycle single flywheel still has many defectives, and the assistant officer treats further to be improved.

Because the defective that above-mentioned existing bicycle single flywheel exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and expertise, actively studied innovation, in the hope of founding a kind of bicycle single flywheel of new and improved structure, can improve general existing on the market conventional bicycle single flywheel structure, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.

Summary of the invention

Technical problem underlying to be solved in the utility model is, overcomes the defective that existing bicycle single flywheel exists, and a kind of bicycle single flywheel of new and improved structure is provided, and makes it have more practicality in the use.

To be solved in the utility model time a technical matters is, a kind of structure improved bicycle single flywheel is provided, and makes its danger peace situation that can avoid the existing bicycle single flywheel of commonly using to be produced in operation, and has safety in the use.

Another technical matters to be solved in the utility model is, a kind of structure improved bicycle single flywheel is provided, make the existing bicycle single flywheel of commonly using reach better operability in the use, have safety of operation and effect easy to use concurrently and can reach, and can make the user to keep in repair disassembles more conveniently, and make it have more practicality, and and the progressive that possesses skills, thus value on the industry had.

The utility model solves its technical problem underlying and realizes by the following technical solutions.According to a kind of structure improved bicycle single flywheel that the utility model proposes, it mainly is to comprise a single flywheel body, this single flywheel body is arranged between the crotch, this single flywheel body includes a flower housing, one end of this flower housing is to turn and fluted disc for being arranged with one, be provided with the tooth portion of joining in this inside of turning shaping, the structure improved bicycle single flywheel of the combined formation of said structure, and utilize its big advantage of area of contact when opening, and have easy to use, fast, can open fast smoothly, but and the effect of safe opening, certain value that quite has industry.

The utility model solves its technical matters and can also be further achieved by the following technical measures.Aforesaid structure improved bicycle single flywheel, the wherein said inner tooth portion that is provided with that turns is provided with a tool holder in addition, and the outer rim of this tool holder one end is provided with and the contrary tooth portion of the relative ingear of in-to-in tooth portion of turning, and can reach the effect that can open smoothly.

The utility model does not have the existing defective of existing bicycle single flywheel in use fully, and can make the utility model structure more firmly reach changeableization, therefore can reach cooresponding practicality, and have extensive value on the industry, specify advantage of the present utility model as follows now:

1, the structure improved bicycle single flywheel of the utility model, it mainly is by a flower housing, turns and fluted disc is constituted, utilize set contrary tooth portion of tool holder one end and the tooth portion that turns, and can reach complete contact, do not have dangerous thing generations such as sliding tooth, actv. has improved the existing bicycle single flywheel of commonly using easily because of the little shortcoming that tooth takes place to slide easily of contact point really.

2, structure improved bicycle single flywheel of the present utility model, it only is to have the concave, convex portion improvement of the bicycle single flywheel structure of commonly using now for to replace with a tooth portion, therefore on making, can't increase dealer's cost, and the effect that can reach with product and to use practicality to compare value-for-money especially quite has the value of industry.

3, the utility model can reach the effect in the practicality really, and is not only easy to use, do not need miscellaneous formality, and the processing of structure formation is easy especially, meets cost benefit, and has the value on the industry really, is suitable for industrial community and extensively promotes the use of.

4, the utility model is on the practicality and cost benefit of structure design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it had not both seen any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, promptly there is no similar structure design and publish or use in like product, and had novelty really.

5, structure design of the present utility model quite diligently, and can reach firm practical purpose, it utilizes this to join tooth portion and cooperating against tooth portion, and can make its single-piece structure have the practical effect easily and fast that reaches in the use, therefore in quite limited field, this kind of flower-drum body production development space (for example having the relevant patent that surpasses 50 fully to prove in the annex two Taiwan patent announcements), the real symbolic animal of the birth year of improvement design of the present utility model is when having progressive, its structure really has more technological advance than existing bicycle single flywheel, and its particular structure feature and function also are far from existing bicycle single flywheel and can compare, have more technical progress than existing product, and have the multinomial effect of enhancement, and creative really.

6, the utility model can reach its intended purposes and effect really, not only on the space structure kenel, really belong to innovation, and more existing bicycle single flywheel has cooresponding enhancement effect really, and existing known product has more technological advance and practicality, and produced handy and practical good effect, and have practicality really.

In sum, the structure improved bicycle single flywheel of the utility model, it has more practicality in the use, the danger situation that can avoid the existing bicycle single flywheel of commonly using in operation, to be produced, and have safety in the use, can reach better operability, have safety of operation and effect easy to use concurrently, and can make the user to keep in repair more conveniently and disassemble, have more practicality, thereby have the value on the industry.No matter it structurally or bigger improvement is all arranged on the function, and have than much progress technically, and produced handy and practical effect, and have the effect of enhancement really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.

Description of drawings

Fig. 1 is the exploded perspective view of No. the 306412nd, existing Taiwan patent announcement " single speed ratchet flower-drum ".

Fig. 2 is the stereoscopic scheme drawing of the existing structure improved bicycle single flywheel of commonly using.

Fig. 3 is the stereoscopic scheme drawing of another existing structure improved bicycle single flywheel of commonly using.

Fig. 4 is the stereoscopic figure of the structure improved bicycle single flywheel of the utility model when implementing.

Fig. 5 is the exploded perspective view of the structure improved bicycle single flywheel of the utility model.

Fig. 6 is the embodiment scheme drawing of the structure improved bicycle single flywheel of the utility model when implementing.

Fig. 7 is the embodiment stereoscopic figure of the structure improved bicycle single flywheel of the utility model when implementing.

1----single flywheel body 2---flower housing

The 4----5---tooth portion that turns

6----fluted disc 7---tool holder

The contrary 9---of the tooth portion crotch of 8----

11---recess 12--tool holder

The 121--protuberance

The specific embodiment

The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.Below in conjunction with accompanying drawing and preferred embodiment, to according to structure improved its specific embodiment of bicycle single flywheel, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also shown in Figure 4, the structure improved bicycle single flywheel of the utility model, it mainly comprises a single flywheel body (1), this single flywheel body (1) is to be arranged between the crotch (9), it mainly is to go up set wheel body for driving at single flywheel body (1), wherein, see also Fig. 5, shown in Figure 6, this single flywheel body (1) includes a flower housing (2), one end of this flower housing (2) is to turn (4) and fluted disc (6) for being arranged with one, and being shaped in the inside of turn (4) is provided with the tooth portion (5) of joining, and so utilizes a tool holder (7), and be provided with relative contrary tooth portion (8), and reach the effect that to open smoothly in the outer rim of these tool holder (7) one ends.

Please consult Fig. 6, shown in Figure 7 again, when the user when disassembling, only need utilize the set contrary tooth portion (8) of an end of tool holder (7), directly insert the tooth portion (5) of turn (4), because of its tooth portion (5) is the complete shape that contacts with contrary tooth portion (8), therefore its to put forth effort area big, relative its point of application that disperses does not take place and can not have dangerous situation such as sliding tooth; Moreover, therefore again because of area of contact of the present utility model is big, can cause its structural loss again, and quite meet cost benefit, be one to have the new design of progressive in fact.

As known from the above, the utility model mainly is by a flower housing (2), turns (4) and fluted disc (6) is constituted, utilize the tooth portion (5) of the set contrary tooth portion (8) of tool holder (7) one ends and turn (4) to be meshing with each other, can reach complete contact, do not produce and do not have dangerous thing such as sliding tooth, improved the existing bicycle single flywheel of commonly using really easily because of the little shortcoming that sliding tooth takes place easily of contact point.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any personnel that are familiar with this technology may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, every content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.

Claims (2)

1, a kind of structure improved bicycle single flywheel, it is characterized in that it mainly comprises a single flywheel body, this single flywheel body is arranged between the crotch, this single flywheel body includes a flower housing, one end of this flower housing is arranged with one and turns and fluted disc, be provided with the tooth portion of joining, the structure improved bicycle single flywheel of the combined formation of said structure in this inside of turning shaping.

2, structure improved bicycle single flywheel according to claim 1 is characterized in that the wherein said inner tooth portion that is provided with that turns is provided with a tool holder in addition, and the outer rim of this tool holder one end is provided with and the contrary tooth portion of the relative ingear of in-to-in tooth portion of turning.

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