CN2615028Y

CN2615028Y - Assembling bicycle frame structure

Info

Publication number: CN2615028Y
Application number: CN 03246524
Authority: CN
Inventors: 赵弘昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-04-25
Filing date: 2003-04-25
Publication date: 2004-05-12
Anticipated expiration: 2013-04-25

Abstract

The utility model relates to a frame structure of a combined type bicycle which is mainly assembled reciprocally by a front frame and a rear frame, the down tube of the front frame is inserted and locked in dismountable mode in a composite casing which is fixed under the five-way pipe of the rear frame and spans the five-way tube, a locked element is arranged on the upper side of the down tube which can be locked to the clamping element of the rear frame, thereby the front frame and the rear frame can be assembled into an integrated frame quickly.

Description

The combined bicycle body frame structure for automotive

Technical field

The utility model relates to a kind of bicycle, is meant a kind of easy disassembly especially and is easy to collect the combined bicycle body frame structure for automotive that transports and can keep the unit frame structural strength.

Background technology

The traditional vehicle shelf structure of bicycle generally is divided into fixed type and collapsible two big classes.

The fixed type body frame structure for automotive is with head tube, front fork, goes up pipe, vehicle frame pipes such as following pipe, base riser and back vent, is welded to each other or is fused into one in the permanent bond mode.Its advantage is that the design of the good and appearance and modeling of body frame structure for automotive intensity is more unrestricted, is easy to design arch bar truck for example etc. and is easy to the appearance and modeling being accepted and like by the customer; Its shortcoming then is that the packing volume is excessive, cost significantly increases to cause that storage, packing, counter transport etc., especially its vehicle frame length is than long and weight non-light (referring to Electrical Bicycle especially), make it all more not convenient in collection and carrying, this shortcoming causes the customer to be difficult to use bicycle to the countryside of general this fixed type body frame structure for automotive of C-class carrying to drive, and influences leisure and body-building function that bicycle should have; Though various automobile-used bicycle portable frame is arranged at present on the market, for the user bicycle rack is located on the portable frame of the roof or the tailstock, precisely because comparatively loaded down with trivial details on not only operating, and may influence traffic safety.

The Foldable frame structure mainly be central frame beam be provided with at least one make vehicle frame can be mutually before and after or the folding hinge member of doubling up and down, its advantage is convenient to collection and can be utilized this Folding Bicycle of car carrying to drive to the countryside for shortening vehicle frame length by folding.Its shortcoming then is that body frame structure for automotive intensity is not good, must give reinforcement by reinforced structure, otherwise easily produce mark of break from folding hinge, its appearance and modeling is subjected to many restrictions such as folding hinge and folding direction simultaneously, is difficult for designing being easy to the appearance and modeling being accepted and like by the customer; In addition, on the packing volume, though folding bicycle can shorten length after folding, precisely because integral width but with increase considerably, so the packing volume also can't effectively be reduced in its folding back, for maker and dealer, still has its inconvenience no matter collect or transport; Simultaneously, the general stationary bicycle of the car weight of folding bicycle is heavier, and its carrying property is on the contrary not as stationary bicycle.

This shows that the body frame structure for automotive of bicycle still has further improved necessity.

Summary of the invention

The purpose of this utility model is to provide a kind of combined bicycle body frame structure for automotive, it does not need skillful skill to be made up voluntarily and to disassemble in the DIY mode by general user, after being disassembled, it can effectively dwindle its packing volume, at least bicycle can be disassembled into simultaneously two partly, the weight of bicycle is disperseed, separately take for user's gradation, after being convenient to minimum volume after the user disassembles with vehicle frame and car weight and disperseing than light weight, collect, carry and move or put into the car boot railway carriage or compartment, transfer to (for example parking area is to interoffice) or have a walk in the outskirts the leisure rider as short range.

Of the present utility model time a purpose is to provide a kind of combined bicycle body frame structure for automotive, because bicycle belongs to the single vehicle that drive, therefore when the several members of family go on a tour simultaneously, promptly must utilize automobile to carry the multi-section bicycle simultaneously, the utility model can be deposited in the multi-section bicycle in the car boot railway carriage or compartment with plug hole crack location mode simultaneously, more can bring into play it and dwindle the effect that material volume conveniently transports, when going on a tour for several kinsfolks, shared field drives enjoyment person.

Another purpose of the present utility model is to provide a kind of combined bicycle body frame structure for automotive, its package assembly is applicable to the cycle frame of various moulding, especially be applicable to arch bar truck that aesthetic property and structural strength are all good and as the Y shape vehicle frame moulding of shock-absorbing car, the utility model is not only had be convenient to disassemble the convenience of collecting and being easy to carry about with one, after assembling, more can keep the integraty of vehicle frame, aesthetic property, its structural strength is also kept and the due structural strength of traditional one-body molded vehicle frame, so unitized construction of the present utility model, no matter any vehicle vehicle frame, the size car type is all applicable.

A purpose more of the present utility model is to provide a kind of combined bicycle body frame structure for automotive, its each after disassembling is vehicle frame partly, must separate separately indivedual plug hole cracks deposits, can dwindle its length and width when packing simultaneously, make it disassemble the required packing volume in back, it is about 60% that more traditional one-body molded frame bicycle is saved, and effectively alleviates maker and dealer at storage, packing, required cost when counter transports.

Another purpose of the present utility model is to be to provide a kind of combined bicycle body frame structure for automotive, its assembling or disassemble that operation is more convenient fast, body frame structure for automotive intensity is better and be applicable to for example various body frame structure for automotive such as arch bar truck, Y shape shock-absorbing vehicle frame, gentlewoman's car.

The utility model purpose realizes by following technical proposals, and combined bicycle body frame structure for automotive of the present utility model mainly is to be assembled mutually by a front vehicle frame and a back vehicle frame.This front vehicle frame include a head tube, intert from bottom to top front fork tube by this head tube, be linked in this front fork tube top handlebar, with Quick release be locked in this front fork tube below and front-wheel free to rotate and certainly this head tube extend back one on pipe and pipe once; This upper and lower pipe can be configured as various vehicle frame moulding such as the preceding triangular part part of an arch bar truck or a Y shape vehicle frame, the tail end that should go up pipe connects a seat pipe that supplies to plant and fix a seat cushion, then be articulated with a Shock absorber on the following pipe, the free end of Shock absorber is provided with a fastening component.This back vehicle frame includes one for the five-way pipe that a crank-type stretcher and a chain-type driving device are installed, this five-way pipe top is provided with a pair of for the lug that articulates a Shock absorber rotating shaft, and respectively in this rotating shaft, following two ends pipe and the back vent pipe down that extends back on the back vent, on the back vent, the tail end of following pipe also closes that the back is common to articulate one and can be driven by this driving device and the trailing wheel that rotates, this five-way pipe below then is connected with one along its normal direction solid welding and can plants for the following pipe of this front vehicle frame and pass the assembled casing of fixing in it, the front end of then sticking pipe then be provided with the clamping components that fastens mutually with this Shock absorber free end fastening component.

When making up forward and backward vehicle frame, the following pipe of front vehicle frame is interted in the assembled casing by the back vehicle frame, and utilize the quick lock anchor clamps to fix its two ends; Make simultaneously on the back vent of the Shock absorber that is articulated on the front vehicle frame and back vehicle frame and manage, utilize this fastening component and clamping components to fasten mutually, make forward and backward vehicle frame be assembled into a complete car body by above-mentioned two coupling compoonents.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described further.

Fig. 1 is the end face three-dimensional view of the utility model combined bicycle body frame structure for automotive;

Fig. 2 is the isometric exploded view of this combined bicycle body frame structure for automotive after disassembling;

Fig. 3 is the plan view of this combined bicycle body frame structure for automotive;

Fig. 4 is the plan view of this combined bicycle body frame structure for automotive after disassembling;

Fig. 5 is that the part of front vehicle frame and assembled casing first embodiment in this combined bicycle body frame structure for automotive is amplified three-dimensional view;

Fig. 6 is the three-dimensional assembled view of the amplification of assembled casing second embodiment;

Fig. 7 is for after disassembling this combined bicycle body frame structure for automotive, deposits in separately indivedual plug hole cracks mode separately, the plan sketch when using the packing reduction in bulk to minimum rating;

Fig. 8 is the plan view of this combined bicycle body frame structure for automotive second embodiment after disassembling;

Fig. 9 is the plan view after combined bicycle body frame structure for automotive second embodiment shown in Figure 8 finishes assembling;

Figure 10 is the plan view of this combined bicycle body frame structure for automotive the 3rd embodiment after disassembling;

Figure 11 is the plan view after combined bicycle body frame structure for automotive the 3rd embodiment shown in Figure 10 finishes assembling;

Figure 12 is the plan view of this combined bicycle body frame structure for automotive the 4th embodiment after disassembling; And

Figure 13 is the plan view after combined bicycle body frame structure for automotive the 4th embodiment shown in Figure 12 finishes assembling.

The specific embodiment

Please consult Fig. 1 to Fig. 4 simultaneously, combined bicycle body frame structure for automotive provided by the utility model mainly is to be assembled mutually by a front vehicle frame 10 and a back vehicle frame 30; Wherein once managing of front vehicle frame 10 11 is locked in one with removably by plant and is welded in vehicle frame 30 five-way pipes, 31 belows and crossing in the assembled casing 32 of this five-way pipe 31, back, and front vehicle frame 10 is provided with a fastening component 20 in addition in this time pipe 11 tops, it must be fastened mutually with a clamping components 33 that is arranged on this back vehicle frame 30, by above-mentioned two composite constructions, be able to forward and backward

vehicle frame

10,30 is assembled into a complete vehicle frame fast.When desire is collected or is transported this combined bicycle, this fastening component 20 is broken away from mutually with clamping components 33, and will descend pipe 11 in assembled casing 32, to disassemble separation, can be fast with before,

back vehicle frame

10,30 disassemble into independent individual, use and dwindle its packing volume, not only effectively alleviate maker and dealer's storage and shipment and delivery cost, before after more being available for users to disassemble easily, back

vehicle frame

10,30 are positioned in the general car boot railway carriage or compartment, the carrying that utilizes the automobile general is to countryside or parking area, row is assembled into complete vehicle frame again, as the short range leisure rider that transfers to or have a walk in the outskirts.

This front vehicle frame 10 includes a head tube 12, one interspersed from bottom to top front fork tube 14 by this head tube 12, these front fork tube 14 tops and a handlebar 13 interconnect, front fork tube 14 bottoms then utilize known combination members such as nut or Quick release 16 to be assembled with a front-wheel 15 free to rotate, 12 of the stem of this handlebar 13 and head tubes generally all are equiped with bearings at both ends, this handlebar 13 can freely be rotated, with the main steering component of controlling as the confession rider in an angular range.This head tube 12 extends back with a suitable gradient and connects on one pipe 17 and manage 11 once, wherein, these upper and

lower pipe

17,11 mutual group become a vehicle frame pipe assembly, and can be configured as for example body frame structure for automotive of various types such as rhombus or Y shape, not limited by the utility model legend; The utility model Fig. 1 is extremely embodiment illustrated in fig. 6 to be a kind of Y shape vehicle frame of suitable making Shockproof type bicycle, pipe 17 is to be welded in down on about middle section position of pipe 11 on it, and have one to strengthen vehicle frame pipe 18 in

last pipe

17 and 12 solid weldings of head tube, the tail end that should go up pipe 17 then solid welding connects one and fixes the hanging type seat pipe 19 of a seat cushion 21 for planting, for can being dismantled smoothly, present embodiment is

front vehicle frame

10 and 30 liang of parts of back vehicle frame, or make down pipe 11 tail ends can be smoothly and the assembled casing 32 mutual fits of five-way pipe 31 belows, therefore, the seat pipe 19 of present embodiment is in unsettled mode, abutment pad standpipe 22 inserts, and the base riser 22 of this seat cushion 21 must use known removable lockset such as quick lock anchor clamps 23 to be locked on the seat pipe 19.

Combined bicycle provided by the utility model may be made in an anti-vibration bicycle, in for example graphic be under manage and be articulated with a Shock absorber 24 on 11, the free end of Shock absorber 24 then is provided with the above-mentioned fastening components 20 that must fasten mutually with back vehicle frame 30.Again, the utility model for example then can be arranged at this fastening component 20 seat pipe 19 grades and be positioned at this time and manage on the optional position of 11 tops as not as anti-vibration bicycle the time.This fastening component 20 includes one and is welded in the Quick release 26 that porose lug 25 and on Shock absorber 24 free ends or the seat pipe 19 can pass through hole on this lug 25, this Quick release 26 is a kind of known members, and it includes the screw rod and the nut that can screw togather mutually and is articulated in the screw rod eccentric tommy bar of end in addition.

This back vehicle frame 30 includes one for the five-way pipe 31 that a crank-type stretcher 34 and a chain-type driving device 35 are installed, these five-way pipe 31 tops are provided with a pair of for the lug 37 that articulates a Shock absorber rotating shaft 27, this five-way pipe 31 constitutes a five-way shock-absorbing rotating shaft jointly with this Shock absorber rotating shaft 27, make forward and backward

vehicle frame

10,30 be able to this rotating shaft 27, and utilize Shock absorber 24 to absorb the vibrations that uneven road surface produced for centre of gration is pivoted relative to each other.This Shock absorber rotating shaft 27 and one comprise on fork connecting pipe 36, the back vent pipe 38 and back vent down 39 common back breeches pipe assemblies of forming of pipe form the pivot joint states, upper and

lower pipe

38,39 tail ends of back vent are in advance and after closing, utilizing known combination member such as nut 40 to be assembled with one can be driven and the trailing wheel 41 of rotation by this driving device 35, makes whole back vehicle frame 30 form a complete transmission component.

Of the present utility modelly be characterised in that these five-way pipe 31 belows are connected with one along its normal direction solid welding and can plant for the following pipe 11 of this front vehicle frame 10 and pass the assembled casing of fixing in it 32, when this assembled casing 32 of solid welding, can prune the in advance part lower part of five-way pipe 31, assembled casing 32 partly is embedded in the five-way pipe 31, use increase solid welding area between the two, and then strengthen anchoring strength between the two; The length of this assembled casing 32 is to cross over this five-way pipe 31, and its two ends are opening-like, make down and manage 11 two open ends that can be interted by this assembled casing 32, and utilize two quick

lock anchor clamps

55,56 clamping that locked respectively, use and strengthen this time and manage 11 and the anchoring strength of 32 of assembled casings.In addition, then be provided with on pipe 38 front end or this fork connecting pipe 36 on the back vent the clamping components 33 that fasten mutually with fastening component 20 on this front vehicle frame 10; This clamping components 33 includes the both sides clamping plate 42 corresponding to this fastening component 20 positions, offers the through hole or the slotted eye 43 that pass for Quick release 26 in this fastening component 20 on the both sides clamping plate 42 respectively; When making up this fastening component 20 and clamping components 33, be to make the lug 25 of fastening component 20 be folded in 42 on the both sides clamping plate of clamping components 33, utilize Quick release 26 to intert by both sides clamping plate 42 and lug 25, the eccentric tommy bar of mat Quick release 26 1 sides is oppressed these both sides clamping plate 42 to this lug 25 of central packing with its cam face, fastens and fastening component 20 is clamped mutually with clamping components 33.

See also Fig. 5, this can be passed the following pipe 11 of assembled casing 32 by plant, offers the dowel hole 47 that passes for a resilient pin 45 that is arranged in this time pipe 11 in its near caudal end part both sides, and locates to be provided with the limit commentaries on classics member 49 of indent groove for example in its bottom surface; Be equipped with corresponding to the corresponding dowel hole 50 of managing dowel hole 47 on 11 down as for 32 of this assembled casings, and corresponding to the respective grooves 52 of managing 11 upper limits commentaries on classics member 49 down, simultaneously more offer at least one axial crack 53,54 respectively, the elasticity trend that two open end is all had inwardly tightened in two open ends of this assembled casing 32.

Desire made up forward and backward vehicle frame at 10,30 o'clock, make earlier in the interspersed assembled casing 32 of following pipe 11 tail ends of front vehicle frame 10 by back vehicle frame 30, and utilize two quick lock anchor clamps 55,56 to tighten two open end that have axial crack 53,54 in this assembled casing 32, make two open end pass following pipe 11 in it to the internal strain packing; It is in planting down pipe 11 o'clock, and resilient pin 45 springs in the dowel hole 50 on the assembled casing 32 automatically, makes down the purpose of managing 11 self-orientations to reach.

Above-mentioned quick lock anchor clamps 55,56 also belong to a kind of known members, its structure is similar to aforesaid Quick release 26, also include the screw rod and the nut that can screw togather mutually and be articulated in the screw rod eccentric tommy bar of end in addition, supply a pipe fitting to pass therebetween and be similar to the clasp of C shape precisely because on this screw rod, add one, this off-centre tommy bar is pulled in utilization, its cam face can be forced on this clasp, use inside packing and pass the pipe fitting of clasp, or can oppositely turn back this off-centre tommy bar loosening pipe fitting, and reach the purpose of quick release or assembling pipe fitting.

When the user will descend pipe 11 to intert to be inserted in assembled casing 32 inner, can change the cooperation of member 49 and respective grooves 52 by this limit, the guiding user manages 11 with a correct direction this time of planting, avoid down the plant direction of pipe 11 to produce skew, can prevent from simultaneously to finish 32 of following pipe 11 after the assembling and assembled casings, produce relative rotary motion improperly.

See also Fig. 6, it is the structural representation of assembled casing that the utility model provides second embodiment 60, this assembled casing 60 removes and is provided with the dowel hole 61 that springs into automatically for resilient pin 45, and the axial crack 65 that is opened in two open ends, outside 66, it is designed to a navigation button 64 with former with the counterpart member change of managing 11 upper limits commentaries on classics member, 49 couplings down, this navigation button 64 is to cooperate a screw 63 and partly screwed in this assembled casing 60, making this navigation button 64 change member 49 with the limit on this time pipe 11 cooperatively interacts, use preventing down

pipe

11 and 32 of assembled casings, produce relative rotary motion improperly.

In addition, also can will descend pipe 11 and assembled

casing

32,60 to be designed to for example oval pipe or other cross sectional shape, it is possessed has the automatic guiding direction of insertion and limits function in relative rotation, and can omit the setting that above-mentioned limit is changeed member.

See also Fig. 7, combined bicycle provided by the utility model, can make up voluntarily and disassemble in the DIY mode by general user, it is when disassembling, only need this fastening component 20 is broken away from mutually with clamping components 33, and will descend pipe 11 in assembled casing 32, to disassemble separation, can fast forward and backward vehicle frame 10,30 be disassembled into independent individual; In case of necessity, more front-wheel 15 can be pulled down separation on front fork tube 14, and handlebar 13 and front fork tube 14 revolved turn 90 degrees, make parallelly, simultaneously this seat cushion 21 is lowered into its lowest position with each vehicle frame pipe 11,17,18; At this moment, can be through each assembly and the member after dismounting is decomposed, for example front vehicle frame 10, back vehicle frame 30 and front-wheel 15 etc., deposit or be superimposed with each other to separate independent plug hole cracks mode individually, or pack respectively with containers such as duffel bags, can dwindle its length and width when packing simultaneously, make it disassemble the required packing volume in back, it is about 60% that more traditional one-body molded frame bicycle is saved, and effectively alleviates maker and dealer at storage, packing, required cost when counter transports; Simultaneously, more the multi-section bicycle can be deposited in the car boot railway carriage or compartment simultaneously with this plug hole crack location mode, when going on a tour for several kinsfolks, shared field drives enjoyment person.

Front vehicle frame 10 is being disassembled or assembled to the utility model, back vehicle frame 30, when assemblies such as front-wheel 15 and seat cushion 21 or member, all be to use the Quick release 16 of fast demountable, 26 or quick lock anchor clamps 23,55, known members such as 56, it does not require that the user possesses skillful dismounting skill, can finish fast at short notice and disassemble or assembling operation, with general user, on average can in 60 seconds, finish the dismounting operation, make the utility model be very suitable for carrying out disassembling of bicycle and assembly working in the DIY mode for the user, for maker, the dealer, the customer is to belong to the favourable new bicycle structure of a kind of three parts.

Please consult Fig. 8 and Fig. 9 simultaneously, it is second embodiment of combined bicycle that the utility model provides, its keystone configuration and Fig. 1 are roughly the same to first embodiment shown in Figure 7, this paper does not give unnecessary details in addition for the identical part of structure, different backs that partly are specified in of structure just only: the position, back upper place of five-way pipe 31 is located in the Shock absorber rotating shaft 27 in first embodiment in the rotating shaft of five-way shock-absorbing, and forms the pivot joint state with the back breeches pipe assembly of back vehicle frame 30; As for second embodiment then is the anterior position of the Shock absorber rotating shaft 27 ' in the rotating shaft of five-way shock-absorbing being located at five-way pipe 31, and form the pivot joint states with front vehicle frame 10, for in response to this alternate embodiment, assembled casing 32 is the Shock absorber rotating shaft 27 ' belows that are welded in this five-way shock-absorbing rotating shaft, and cross over this Shock absorber rotating shaft 27 ', the following pipe 11 of this front vehicle frame 10 is locked in this assembled casing 32 by plant with removably, and forms the state that to be pivoted relative to each other with this Shock absorber rotating shaft 27 '.

Please consult Figure 10 and Figure 11 simultaneously, it is the 3rd embodiment of combined bicycle that the utility model provides, its keystone configuration and Fig. 1 are roughly the same to first embodiment shown in Figure 7, this paper does not give unnecessary details in addition for the identical part of structure, only just the different parts of structure are specified in the back: the 3rd embodiment mainly is the arch bar truck that is applied to bicycle, going up pipe 17 ' and managing 11 ' down in its front vehicle frame 10 ' is to be welded in respectively on this head tube 12 ', and extend back with different gradients respectively, at last pipe 17 ' and 11 ' the near caudal end part solid welding of following pipe a reinforcement vehicle frame pipe 18 ' that is connected both is arranged, make it be configured to preceding triangular frame part of a combination back arch bar truck; The tail end that should go up pipe 17 ' then solid welding connects one and fixes the hanging type seat pipe 19 ' of a seat cushion 21 ' for planting, and this fastening component 20 ' then is welded on this unsettled seat pipe 19 '.Thereafter vehicle frame 30 ' then has pipe 39 ' under the back vent that extends back in 31 ' the tail end solid welding of five-way pipe, and by this back vent down pipe 39 ' front end place solid welding one upwardly extending fork connecting pipe 36 ' is arranged, 38 ' mutual solid welding connection then with on the back vent is managed in this fork connecting pipe 36 ' top, the upper and lower pipe of back vent 38 ', 39 ' tail end and close after, be assembled with one can be driven by driving device 35 ' and the trailing wheel 41 of rotation '; The upper and lower pipe of this back vent 38 ', 39 ' and fork connecting pipe 36 ' mutual group become a back breeches pipe assembly, and the Vee formation vehicle frame that is configured as a combination back arch bar truck is partly; Then be located at as for clamping components 33 ' and manage 38 ' front end on this back vent.

Please consult Figure 12 and Figure 13 simultaneously, it is the 4th embodiment of combined bicycle that the utility model provides, its keystone configuration and Fig. 1 are roughly the same to first embodiment shown in Figure 7, this paper does not give unnecessary details in addition for the identical part of structure, only just the different parts of structure are specified in the back: the 4th embodiment mainly is the body frame structure for automotive that is employed as gentlewoman's bicycle, its front vehicle frame 10 " in go up pipe 17 " and down on pipe 11 " being to be welded in this head tube 12 respectively ", and extend back with different gradients respectively, there is and is connected both and strengthens vehicle frame pipe 18 some of "; seat is managed the top of 19 " being to be welded in this five-way pipe 31 "; vehicle frame 30 after becoming " in last pipe 17 " with pipe 11 down " near caudal end part solid welding, and with this five-way pipe 31 certainly " back vent that extends back is pipe 39 down ", and manage 38 on this seat pipe 19 " top extend back and with this back vent pipe 39 down " and the back vent that closes the certainly back breeches pipe assembly of ", mutual group becomes this back vehicle frame 30 "; Offer the slotted eye of allowing that a Quick release passes respectively on and the tail end of this fastening component 20 " be set on this pipe 17 ", it includes the both sides clamping plate 42 that are fixed in pipe 17 this on " tail end also can be crossed over this pipe 19 " ", these both sides clamping plate 42 "; On " then being set at this pipe 19 " as for this clamping components 33, this clamping components 33 " includes one and is fixed in seat pipe 19 " to be gone up and corresponding to these both sides clamping plate 42 " lug 25 ", the through hole that this lug 25 " on offer allow this Quick release 26 " passes; When making up this fastening component 20 " and clamping components 33 ", be that the both sides clamping plate 42 that make this fastening component " are crossed over this pipe 19 ", and this clamping components 33 " lug 25 " is folded in both sides clamping plate 42 " between; make this Quick release intert by these both sides clamping plate 42 " and lug 25 "; and force in this both sides clamping plate 42 " on, make to this lug of central packing 25 " persons.

What must illustrate in addition is, the brake member of the required use of its bicycle, the utility model then can use need not brake cable foot brake, it not only makes combined bicycle provided by the utility model have more succinct beautiful appearance, simultaneously when assembling or disassembling operation, more can omit and take out stitches or the production time of the required consumption of wiring, and be the brake member that optimum the utility model is adopted, this kind foot brake is to belong to a kind of known members, and adopted by the commercially available bicycle of many moneys, directly quilt cover is used for the utility model.In addition, when as the utility model adopts, needing the manual type brake member of apply the brakes line, then can adopt the design of separation type brake cable, to cooperate modular vehicle frame structure of the present utility model, for example have head and button hole the separation type brake cable or as with brake cable block the back with the mutual fastener person of two ends sheetmetal, be the modular design of separation type brake cable, it all can directly be overlapped is used for the utility model; In addition, the utility model also can be provided with a permanent seat on handlebar, and the control handle that will brake is locked on this permanent seat, when desiring to disassemble forward and backward vehicle frame, only need the brake control handle is pulled down on permanent seat together with brake cable, and in the space that is inserted in the back vehicle frame of inciting somebody to action, also be the feasible brake member designs mode of the utility model.The above brake member of lifting various separable brake cable or need not the apply the brakes line all belongs to the possible embodiments of the utility model modular vehicle frame structure of can arranging in pairs or groups.

In sum, combined bicycle body frame structure for automotive provided by the utility model mainly is to be assembled mutually by a front vehicle frame 10 and a back vehicle frame 30; Wherein once managing of front vehicle frame 10 11 is locked in one with removably by plant and is welded in vehicle frame 30 five-way pipes, 31 belows, back and crosses over this five-way pipe 31 and two ends are in the assembled casing 32 of open end, and front vehicle frame 10 is provided with a fastening component 20 in addition in this time pipe 11 tops, it must be fastened mutually with a clamping components 33 that is arranged on this back vehicle frame 30, by above-mentioned two composite constructions, be able to forward and backward

vehicle frame

10,30 is assembled into a complete vehicle frame fast.

Combined bicycle body frame structure for automotive provided by the utility model when comparing mutually with traditional integrate shaped type bicycle frame structure or Folding Bicycle, has more following advantage:

1) because the utility model each part vehicle frame (front-wheel, front vehicle frame, back vehicle frame) after disassembling, must separate separately indivedual plug hole cracks deposits, dwindle user's collection space significantly, thereby the multi-section bicycle can be positioned in the general car boot railway carriage or compartment simultaneously with this plug hole crack location mode, and carrying is to the countryside, when going on a tour for several kinsfolks, shared field drives enjoyment.

2) the dismounting operation does not require skillful skill, can be made up voluntarily and disassemble in the DIY mode by general user, and the user is visual itself to be needed, and disassembles whenever and wherever possible, in order to its collection, carry or put into the car boot railway carriage or compartment; Also can assemble whenever and wherever possible, transfer to (for example parking area is to interoffice) as short range or have a walk in the outskirts the leisure rider in order to it.

3) can reduce the packing volume after disassembling and reach 60%, not only reduce manufacturer's storage, packing, counter shipment and delivery cost, more not take up space when collecting with seasonal user, more convenient when carrying.

4) weight of bicycle is split into two parts at least after disassembling, more light when allowing the user carry, especially, more convenient for the carrying of carrying of the quite heavy Electrical Bicycle of weight.

5) assembling and quick easily both can have been kept the moulding of traditional vehicle frame, and not influence the due structural strength of traditional vehicle frame.

6) dealer does not need bicycle is sold preceding last assembling procedure, not only reduces its manual operation cost, also reduces its storage and landlocked distribution cost simultaneously.

7) combined bicycle body frame structure for automotive provided by the utility model, be applicable to for example vehicle frame style of various moulding such as rhombus, Y shape, gentlewoman's car, no matter and wheel diameters size (12 inch, 16 inch, 20 inch, 24 inch, 26 inch, 700C etc.) is all applicable, makes field of application of the present utility model unrestricted.

8) it is more convenient fast to assemble or disassemble operation, and body frame structure for automotive intensity is better, and is applicable to for example various body frame structure for automotive such as arch bar truck, Y shape shock-absorbing vehicle frame, gentlewoman's car.

Above-listed detailed description is specifying at possible embodiments of the present utility model; but embodiment is not the protection domain of asking in order to restriction the utility model; allly do not break away from the equivalence that the utility model skill spirit does and implement or change, all should be contained in the protection domain that the utility model asks.

Claims

1. combined bicycle body frame structure for automotive is characterized in that it comprises:

One front vehicle frame, it includes a head tube, one interspersed from bottom to top front fork tube by this head tube, a this front fork tube top and a handlebar interconnect, and be assembled with a front-wheel free to rotate in this front fork tube bottom, this head tube extends back with a gradient and connects a vehicle frame pipe assembly, more is provided with a fastening component on this front vehicle frame; And

One back vehicle frame, it includes one for the five-way pipe that a crank-type stretcher and a driving device are installed, this five-way pipe extension is linked with a back breeches pipe assembly, and on this back breeches pipe assembly, be assembled with one and can be driven by this driving device and the trailing wheel that rotates, this five-way pipe below is fixedly connected with one along its normal direction can pass the assembled casing of fixing in it for the vehicle frame pipe assembly plant of this front vehicle frame, the length of this assembled casing is crossed over this five-way pipe two ends, and two open end respectively is provided with at least one axial crack, can be locked for two quick lock anchor clamps, this back vehicle frame more is provided with a clamping components that must fasten mutually in disassembled mode with the fastening component on this front vehicle frame;

By passing and be fixed in this assembled casing, and this fastening component and this clamping components are fastened mutually, this front vehicle frame can be become a complete bicycle with back chassis mount by the following pipe in this vehicle frame pipe assembly is planted.

2. combined bicycle body frame structure for automotive according to claim 1 is characterized in that described fastening component includes a lug that is fixed on this front vehicle frame, offers one and allows the through hole that a Quick release passes on this lug; Described clamping components then includes and is fixed on this back vehicle frame and corresponding to the both sides clamping plate of this lug, it offers the slotted eye that passes for this Quick release respectively; When making up this fastening component and clamping components, be that the lug of this fastening component is folded between the both sides clamping plate of this clamping components, force on these both sides clamping plate by this Quick release, make to this lug of central packing.

3. combined bicycle body frame structure for automotive according to claim 1 is characterized in that described clamping components includes a lug that is fixed on this back vehicle frame, and it offers one and allows the through hole that a Quick release passes; And including one, described fastening component is fixed on this front vehicle frame and corresponding to the both sides clamping plate of this lug, it offers one respectively and allows the slotted eye that this Quick release passes; When making up this fastening component and clamping components, be that the lug of this clamping components is folded between the both sides clamping plate of this fastening component, force on these both sides clamping plate by this Quick release, make to this lug of central packing.

4. combined bicycle body frame structure for automotive according to claim 1, the vehicle frame pipe assembly that it is characterized in that described front vehicle frame includes a pipe once that extends back and connect from this head tube, and the pipe of going up that is linked between this time Guan Yuyi hanging type seat pipe, this time pipe can be passed by plant and be fixed in this assembled casing, and this hanging type seat Guan Zeke fixes a seat cushion for planting.

5. combined bicycle body frame structure for automotive according to claim 4, it is characterized in that being articulated with a Shock absorber on the described following pipe, the one free end is provided with this fastening component, and this clamping components then is set on this back breeches pipe assembly, and what make must fasten mutually with this Shock absorber; And the rotating shaft of this five-way Guan Yuyi Shock absorber constitutes a five-way shock-absorbing rotating shaft jointly, makes this forward and backward vehicle frame form the state that can be pivoted relative to each other.

6. combined bicycle body frame structure for automotive according to claim 5 is characterized in that described assembled casing is the Shock absorber rotating shaft below that is fixedly connected in this five-way shock-absorbing rotating shaft, and this back breeches pipe assembly is then direct and this five-way pipe is affixed.

7. combined bicycle body frame structure for automotive according to claim 4, it is characterized in that described assembled casing offers at least one axial crack respectively in two open end, the elasticity trend that two open end is all had inwardly tightened, when it is interted by this assembled casing at this time pipe, utilize two quick lock anchor clamps to tighten two open end respectively, two open end is managed to this time of internal strain packing in this assembled casing.

8. combined bicycle body frame structure for automotive according to claim 4, it is characterized in that being provided with a resilient pin in the described following pipe, locate pin-and-hole and offer one of correspondence position on this assembled casing, it is after this time pipe is passed this assembled casing by plant, and this resilient pin can be embedded in person in this dowel hole.

9. combined bicycle body frame structure for automotive according to claim 4, it is characterized in that described pipe down more is provided with the limit commentaries on classics member of an indent groove, and this assembled casing more is provided with the respective grooves of this indent groove of cooperation, and both are chimeric mutually, rotates with respect to this assembled casing to limit this time pipe.

10. combined bicycle body frame structure for automotive according to claim 4, it is characterized in that described pipe down more is provided with the limit commentaries on classics member of an indent groove, and this assembled casing more is provided with this indent groove of cooperation and partly stretch into the interior navigation button of this assembled casing, both are chimeric mutually, use and limit this time pipe with respect to this assembled casing rotation.