CN2204273Y

CN2204273Y - Driving device for bicycle without chain

Info

Publication number: CN2204273Y
Application number: CN 94223863
Authority: CN
Inventors: 赖大吉
Original assignee: DACHANG INTERNATIONAL TRADE Ltd Co
Current assignee: DACHANG INTERNATIONAL TRADE Ltd Co
Priority date: 1994-10-19
Filing date: 1994-10-19
Publication date: 1995-08-02
Anticipated expiration: 2004-10-19

Abstract

The utility model relates to a driving device for a bicycle without a chain. A front driving part and a rear wheel driving part are directly assembled after the chain, the chain disc, the flywheel of a chain type bicycle are dismounted. Two bevel gears, a front gear box, an assembly sleeve, a lining and a driving shaft are directly assembled at the front driving part, which makes a middle shaft orthogonal by the two bevel gears to drive. The rear wheel driving part comprises a casing seat which is the same with the assembly sleeve, a cover seat which is the same with the front gear box and the two bevel gears, which makes hub head orthogonal by the two bevel gears to drive the ration of a rear wheel. The utility model reaches the requirement that a chain type bicycle is convenient to change into a driving device with the chain.

Description

Driving device for bicycle without chain

The utility model relates to a kind of chain-less bicycle actuating device, refers to a kind of suitable chain-type bicycle especially after simple and easy changing the outfit, just can be as the chain-less bicycle actuating device of Chainless Bicycle use.

With existing chain-less bicycle drive configuration, as the 7921082 No. five " improvement of chain-less bicycle drive configuration " of the novel patent in Taiwan (letters patent number be a May Day 30 No. four), it is to borrow front and back two ball collars assemblings, make drive mechanism steadily and usage load more even; And the gear block is direct and the plug-in mounting location design of hind axle, makes the axis body of two orthogonals all make whole rotation situation more steady in its gear mesh location, guarantees the high stability of traffic safety; It quite is subjected to favorable comment in marketing, but find in actual use, because the customer needs the bicycle of Chainless type or chain-type transmission form to exchange sometimes, therefore the dealer needs a large amount of storage areas to deposit Chainless Bicycle and chain-type bicycle, outside not only user's consumption is selected to reduce relatively, more increase dealer's parking space cost, Chainless Bicycle transmission agency demand applicability is restricted, so this kind chain-less bicycle has part-structure, effect need wait to improve;

Practitioner's angle analysis again, aforesaid Chainless Bicycle are brand-new and independent individual, can't have the height applicability and alerting ability be attached on the old-fashioned chain bicycle, satisfy aforementioned another kind of user demand, so obviously low with respect to the competitive power in market.

Because aforesaid Chainless Bicycle drive mechanism shortcoming, plan can be under the condition of low-cost, simple attaching, provide the chain-type bicycle to repack Chainless Bicycle into, increase interchangeability, improve the consumption selectivity, reduce the sellers stock or put the space, test concentratedly and study, create a kind of chain-less bicycle actuating device of improvement eventually through the design people.

The purpose of this utility model is: a kind of chain-less bicycle actuating device is provided, and mainly is to make the user, under need not giving up original chain-type bicycle situation or when buying new bicycle, preferable selectivity can be arranged; Its mode is, only big chain plate, chain, flywheel are removed, the preceding transmission winding axis that secondly will comprise two bevel gears, nipper case, assembling cover, lining, transmission shaft, the trailing wheel running part winding flower hub head that comprises shell block, cage, two bevel gears, just can constitute the Chainless type transmission performance, make the chain-type bicycle simple and easyly install additional, under the low price, low manufacturing cost, supply with wider user's Chainless type transmission perfectly, improve the Chainless type transmission Applicable scope and the market competitiveness.

The technical solution of the utility model is: a kind of chain-less bicycle actuating device is provided, and it is to pass an axis in the five-way center stack, and its two end is provided with the negative thread hole slot, and the hind axle of flower hub head continue sheathed cushion block, pad, nut etc. is characterized in that:

Preceding running part: mainly comprise two bevel gears, nipper case, assembling cover, lining, transmission shaft, wherein, axis one end suit one fastens the lining of bevel gear, and the lining other end is established a locking bar by outer spiral shell, makes it in conjunction with axis, bevel gear,

One L-shaped nipper case is provided with the opening of three-dimensional, relative axis and vertical neighbour stretches an abutting end, make the five-way opposite end be fixed in the abutting end port, the nipper case is combined with five-way, formation lining, bevel gear, locking bar all are included in the nipper case space, relative lining outside fitted bearing big envelope one ostiolate plug sleeve in the abutting end

The assembling cover is that engage sleeves is enclosed in the space of the adjacent axis of nipper case, and the relative transmission shaft of assembling cover has a port, the sheathed bevel gear of inner fitted bearing, this bevel gear is fixed in transmission shaft one end, and make the nipper case affixed, so that the mutual orthogonal engagement of two bevel gears with the assembling cover

The trailing wheel running part: comprise shell block, cage, two bevel gears, transmission shaft other end group is worn the shell block of a homomorphosis in the assembling cover, and transmission shaft is sheathed bearing and bevel gear in shell block,

The sheathed bevel gear of the flower first end of hub, and spending hub head side face housing parts to be provided with the cage identical shaped with the nipper case, cage spends the hub head to be provided with abutting end relatively, the affixed homomorphosis of its adjacent side side face is in the shell block of assembling cover, borrow hind axle to pass abutting end and lock, cage differs from fixedly shell block of shell block another side winding, makes the engagement of two bevel gear orthogonals.

Therefore, the utility model has following characteristics at least:

(1) the utility model is installed on the chain-type bicycle, only needs dismounting chain, big chain plate, flywheel to get final product, and the dismounting aforementioned components is very simple and easy, needn't dismantle axis and influences stack-mounted concentricity and levelness, and assembling is quick and easily.

(2) said structure is before assembling, can be about to the preceding running part of five-way earlier, and each assembly of trailing wheel running part, the structure of flower hub head assemble individually in advance, transmission partial sum trailing wheel running part (comprising transmission shaft) becomes the normalization assembly before making, behind the scene, directly cooperate abutting end with the nipper case to be fixed in five-way, lining and cooperate group to fasten with locking bar to decide axis, and bevel gear is directly organized and is enclosed within first-class two steps of colored hub and gets final product, quite convenient, effectively improve the convenient effect of interchangeability.

(3) formation of element is simplified, and is the normalization element such as bearing, bevel gear, adds shell block and assembling cover same modality, and nipper case and cage also are same modality, makes integrated and during the saving worker and mould.

(4) owing to change the outfit easily, the user of original chain-type bicycle just can have the height interchangeability, and can enjoy the transmission of the Chainless Bicycle of more durable effect, satisfies user demand, enlarges Applicable scope, improves the market competitiveness.

In sum, the utility model actively provides component specificationization, additional assembling easily, makes the user have Chainless Bicycle easily and rides and use function, need not change original bicycle, makes former chain-less bicycle have the applicability of enhancement effectively.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is the combination cross-sectional schematic of existing chain-type bicycle driving device.

Fig. 2 is a combination schematic side view of the present utility model.

Fig. 3 is the combination cross-sectional schematic of the utility model actuating device.

The utility model be a kind of chain-less bicycle actuating device please referring to Fig. 2,3, it is at chain-type bicycle form, and a kind of attached type of matching design does not have chain drive structure; Existing chain-type bicycle with Fig. 1 is an example, five-way 1 center stack at vehicle frame is passed an axis 10, the fixing group of one end is worn a big chain plate 63, big chain plate 63 covers are around the flywheel 6 of chain 62 to link colored hub head 5, pass the hind axle 51 of colored hub head 5 and continue sheathed cushion block, pad, nut or the like, with the Chain stay 7 of winding vehicle frame.

Therefore just the general chain-type bicycle structure of Fig. 1 desires to add the Chainless type drive mechanism, then only need dismantle flywheel 6, big chain plate 63, chain 62 gets final product, all the other are not all changed, shown in Fig. 2,3, and following for ease of understanding, thus explanation in regular turn, during assembling, preceding running part and trailing wheel running part can be organized respectively, be connected to bicycle again.

Divide two parts to explain, first, preceding running part, axis is provided with the negative thread hole slot in 10 two ends, and at script suit big chain plate 63 1 ends, suit one is fit key and fasten the stepped microscler lining 15 of bevel gear 19 in advance, lining 15 other ends are by being screwed into a locking bar 151 outward, its spiral shell is penetrated in the interior hole slot of axis 10 give combination, bevel gear 19 and axis 10 are combined, and a L-shaped nipper case 12 is provided with the opening of three-dimensional, relative axis 10 and vertical neighbour stretches an abutting end 121 wherein, utilize axis 10 to press from both sides in the gap of its outstanding periphery of upper shield and the five-way 1 of cover envelope relatively and establish abutting end 121 ports, nipper case 12 is combined with five-way 1, so lining 15, bevel gear 19, locking bar 151 all is included in the space, secondly, engage sleeves front cover assembling cover 13 in the space of nipper case 12 adjacent axis 10, wherein assembling cover 13 relative transmission shafts 2 have a port, inner fitted bearing 16 is with suit one bevel gear 18, wear in the bevel gear 18 and decide transmission shaft 2 one ends, so that nipper case 12 differs from the protruding chase 131 that supports 120 embedding systems assembling cover 13 that abutting end 121 other end peripheries form, and cooperate welding fixing, so that nipper case 12 is in conjunction with assembling cover 13, two bevel gears 18,19 just orthogonal engagements mutually, at last, at abutting end 121 inner lining 15 outside fitted bearings 19 big envelopes one ostiolate plug sleeves 14 relatively, plug sleeve 14 side faces are extruded with and cover edge 141, paste abutting end 121 ora terminalis with lid, plug sleeve 14 openings are for axis 10, locking bar 151 passes, and this is that preceding running part installs the Chainless type drive mechanism additional.

The second, be the trailing wheel running part, wherein principle and mode are more or less the same in the assembling of nipper case 12, utilize the assembling of transmission shaft 2 other ends serial connection; Be that transmission shaft 2 other ends are by pass the shell block 3 of a homomorphosis in assembling cover 13 with the quadrat method group; so that transmission shaft 2 sheathed bearing 33 and bevel gear 32 in shell block 3; and flower hub head 5 is just taken away the original flywheel 6 of Fig. 1; and at the sheathed bevel gear 41 of flower hub head 5 one ends; and mating protection element and assembling; at the trailing wheel running part; also be provided with the cage 48 identical shaped with nipper case 12; cage 48 spends hub head 5 to be provided with abutting end 481 relatively; its adjacent side side face just embedding built in shell block 3; therefore; after hind axle 51 passes abutting end 481 and presets hole, cooperate to connect and establishes Chain stay 7; nut is interlocking fixedly, and cage 48 differs from fixedly shell block 3 of shell block 3 another side windings; and make two bevel gears 32; the engagement of 41 orthogonals, this is a Chainless type trailing wheel running part.

Therefore clearly find out by drawing, the utility model is when stepping on pedal, can drive bevel gear 19 rotates so that axis 10 utilizes lining 15, make it drive transmission shaft 2 rotations because of meshing bevel gear 18, so as to making the engagement transmission in succession of

bevel gear

32,41, and make the displacement of being advanced of trailing wheel rotation, bicycle, reach no chain-drive purpose.

Claims

1, a kind of chain-less bicycle actuating device is to pass an axis in the five-way center stack, and its two end is provided with the negative thread hole slot, and the hind axle of flower hub head continue sheathed cushion block, pad, nut is characterized in that:

Preceding running part: comprise two bevel gears, nipper case, assembling cover, lining, transmission shaft, wherein, axis one end suit one fastens the lining of bevel gear, and the lining other end is established a locking bar by outer spiral shell, makes it in conjunction with axis, bevel gear,

One L-shaped nipper case is provided with the opening of three-dimensional, relative axis and vertical neighbour stretches an abutting end, the affixed abutting end port in five-way opposite end, the nipper case combines with five-way, formation lining, bevel gear, locking bar all are included in the nipper case space, relative lining outside fitted bearing big envelope one ostiolate plug sleeve in the abutting end

The assembling cover is that engage sleeves is enclosed in the space of the adjacent axis of nipper case, and the relative transmission shaft of assembling cover has a port, the sheathed bevel gear of inner fitted bearing, and this bevel gear is fixed in transmission shaft one end, and the nipper case is affixed with the assembling cover, the mutual orthogonal engagement of two bevel gears,

The sheathed bevel gear of the flower first end of hub, and spending hub head side face housing parts to be provided with the cage identical shaped with the nipper case, cage spends the hub head to be provided with abutting end relatively, its adjacent side side face connects a solid homomorphosis in the shell block of assembling cover, the nationality hind axle passes abutting end and locks, cage differs from fixedly shell block of shell block another side winding, the engagement of two bevel gear orthogonals.