CN203172813U

CN203172813U - Bicycle frame structure

Info

Publication number: CN203172813U
Application number: CN 201320127900
Authority: CN
Inventors: 约书亚考伯
Original assignee: AISI INTERNATIONAL Co Ltd
Current assignee: AISI INTERNATIONAL Co Ltd
Priority date: 2013-03-20
Filing date: 2013-03-20
Publication date: 2013-09-04
Anticipated expiration: 2023-03-20

Abstract

The utility model discloses a bicycle frame structure. The bicycle frame structure comprises a front supporting frame and a rear lower fork, wherein the front supporting frame comprises a hollow upper pipe, the two ends of the upper pipe are connected with a head pipe and a vertical pipe respectively, a lower pipe is connected between the head pipe and the vertical pipe, and the head pipe, the lower pipe and the vertical pipe are hollow. A frame space is formed by the upper pipe, the head pipe, the lower pipe and the vertical pipe in a surrounding mode. The rear lower fork is assembled on the front supporting frame. One end of the rear lower fork is assembled at one end, connected with the lower pipe, of the vertical pipe. The other end of the rear lower fork extends in the direction of a rear wheel of a bicycle and connected with the rear wheel in an assembled mode. According to the bicycle frame structure, the front supporting frame and the rear lower fork are arranged in an assembled mode, so that the rear lower fork slightly wobbles relative to the front supporting frame when a bicyclist rides the bicycle, buffering adjustment for the rear wheel is provided, and the weight of the bicycle is further reduced so as to increase the riding speed.

Description

Bicycle frame structure

Technical field

The utility model relates to a kind of bicycle frame structure, detailed for a kind of bicycle overall weight that can alleviate with the cost-cutting demand, and further increase the buffering power of trailing wheel, it provides preferable and drives action and increase drives speed.

Background technology

Implementation along with the carbon reduction of government's promotion now, and the epoch arriving that faces soaring oil prices, the working clan is running vehicle situation on and off duty to drive bicycle, also more and more generalize, many bicycle persons of riding are more arranged also one after another on holidays between time out, make an appointment and drive to bicycle iron-clad horses track, can not only appreciate graceful landscape along the road, have a breath of fresh air and can enjoy the enjoyment of Sport ﹠ Casual, even some local government also irregularly holds correlated activations such as bicycleracing, and the more indispensable structure of the vehicle frame of bicycle, therefore, many bicycle dealers also pay attention to intensity and the quality of cycle frame one after another, and then to constantly research and development and innovation on the bicycle frame structure aspect, mainly its objective is to allow the bicycle person of riding in driving, can be with respect to the important consideration on the traffic safety.

In addition, it is nothing but light and handy that bicycle is in all case gone up the most exquisite, especially on competing for speed to haggling over especially on the weight, but on the road surface that bicycle drives, also can't reach complete smooth state now, to provide the rider to have the best environment that drives, thus when driving bicycle, be subjected to the rough influence in road surface easily, cause the part on vehicle frame or the bicycle to produce corrupted because being subjected to jolting shaking, situations such as fracture take place, therefore, how with the bicycle lightweight, and avoid the corrupted of vehicle frame or part to become the direction that relevant dealer payes attention to most.

See also TaiWan, China patent announcement M377363 bicycle main support, it comprises several connectors and number connection pipe, and each connector connects with connection pipe, this connector has connector bushing, and an end of connection pipe wears and is fixed in the connector bushing, and connection pipe and connector bushing are fixed with securing device, this connector moulding is provided with connector bushing, coupling end for the connection pipe that adjacent connector is connected directly wears fixing, make connector and connection pipe constitute a stable whole, thereby can improve the non-deformability of cycle rack integral body effectively, increase the safety of its structure, and the processing assembling is very convenient, and owing to there is not weld, so integral body is more attractive in appearance, adopted securing device simultaneously, can make the tightr connection of integral body, and then increase the service life.

Above-mentioned is known cycle frame form, in order to mention how making the bicycle lightweight in response to aforementioned institute, and avoid vehicle frame or part because of the road surface excessive shock corrupted that jolts, situations such as fracture, therefore the design at vehicle frame sees also shown in Figure 5, form is set to prop up whole self-propelled car stable when driving by connection pipe 8,, on the form of this kind vehicle frame, the connection pipe 8 that is positioned at the Vee formation place is pullled because bearing the vibrations that road bump produces for a long time easily, and vibrations direction tool multidirectional, so the connection pipe 8 at Vee formation place causes the corrupted of unitized frame easily by the junction fracture.Therefore, relevant dealer must further think deeply this again and how improve and improve, and is just exempted the above-mentioned disappearance of putting forward, and meets popular the use.

Summary of the invention

In view of this, the technical problems to be solved in the utility model is to provide a kind of bicycle frame structure, can increase the shaking force that bicycle rear and vehicle frame bear, and further alleviate the weight of vehicle frame integral body, to provide the rider that the preferable mode that drives is arranged, and expending on the cost-cutting, it is to improve on the known technology, the formed vehicle frame of each connection pipe winding is when driving for a long time on the road surface of jolting, easily can produce fracture by each connection pipe junction, and cause replacing and maintenance to go up disappearances such as cost increase.

For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that a kind of bicycle frame structure, it includes a front frame and a Chain stay, this front frame includes on the hollow and manages, and the two ends of last pipe are connected with a pipe and a standpipe respectively, be connected with pipe again between head pipe and standpipe, this pipe, pipe is the hollow setting with standpipe down, should go up again pipe, head pipe, down pipe and standpipe enclose be formed with one built on stilts between; This Chain stay is mounted on front frame, and an end group of Chain stay is located at a standpipe connection end of pipe down, and the other end then is connected with group towards the extension of bicycle rear direction and with trailing wheel.

As preferred version, this pipe connects an end of going up pipe and is concaved with short slot on, connecting down, an end of pipe then is concaved with short slot, should go up again short slot by an external diameter of pipe edge towards the distance of the supreme tube wall of standpipe direction greater than short slot down by an external diameter of pipe edge towards the standpipe direction to the distance of tube wall down, other is provided with one group of hole and runs through the head pipe to short slot bottom land down by last short slot bottom land.

As preferred version, cell wall of short slot is arranged with to the standpipe direction and is arc surface on this, and this pipe by an end of last short slot down the short slot direction be gradually wide.

As preferred version, this Chain stay further includes the hollow side arm tube that a group connecting part and two connects group connecting part, and the corresponding setting of this two side arm tube, and this two side arm tube and group connecting part are formed with an assembling space, this assembling space is gradually wide by an end to this two side arm tubes end of group connecting part, and bicycle rear is with this two side arm tubes phase pivot group and be positioned at assembling space.

As preferred version, an end of this two side arm tubes pivot joint bicycle rear respectively cuts open and is provided with a groove.

As preferred version, the group connecting part of this Chain stay has further provided a through hole, and the standpipe of this front frame descends an end of pipe to offer through hole in addition one time in succession, and this through hole is connected with time through hole again.

As preferred version, the one side of the corresponding pipe of this standpipe outer circumferential side further group is provided with a containing rack, and this containing rack be positioned at built on stilts between.

The technique effect that the utility model reaches is as follows: the utility model bicycle frame structure, alleviated the weight of vehicle frame integral body, reduced expending on the cost, further can increase the shaking force that bicycle rear and vehicle frame bear, to provide the rider that the preferable mode that drives is arranged, Chain stay can provide trailing wheel to move to increase the buffering power along with jolting of road surface, allowing the rider drive when jolting the road surface uneven can drive in the preferable mode of driving, avoiding the fracture between front frame and the Chain stay, thereby avoided changing and having reduced the cost in the maintenance.

Description of drawings

Fig. 1 is the solid assembling scheme drawing of the utility model front frame and Chain stay;

Fig. 2 is bicycle is formed in the utility model and control to portion, trailing wheel plan sketch;

Fig. 3 is the utility model Fig. 1 exploded perspective scheme drawing;

Fig. 4 is the plan sketch that the standpipe of the utility model front frame is equiped with containing rack;

Fig. 5 is known bicycle plan sketch.

[primary clustering nomenclature]

Front frame 1

Last pipe 11

Head pipe 12

Last short slot 121

Following short slot 122

Group hole 123

Standpipe 13

Under manage 14

Between built on stilts 15

Chain stay 2

Group connecting part 21

Through hole 211

Side arm tube 22

Groove 221

Engagement groove 222

Perforation 2221

Assembling space 23

Control is to portion 3

Seat pipe portion 4

Cork spare 5

Inferior through hole 6

Containing rack 7

Connection pipe 8.

The specific embodiment

Can reach above-mentioned purpose and effect in order to clearly demonstrate the utility model, relevant a kind of bicycle frame structure about its technology that adopts, means and the effect that can reach, will lift after a preferred embodiment and conjunction with figs. be described in more detail in.

Below with preferable example explanation, and be not that the utility model is done any pro forma restriction, consult Fig. 1 ~ shown in Figure 4, a kind of bicycle frame structure of the utility model, it includes a front frame 1 and a Chain stay 2, wherein: front frame 1 includes on the hollow and manages 11, and the two ends of last pipe 11 are connected with pipe 12 and one standpipe 13 respectively, be connected with at

head pipe

12 and 13 of standpipes again and manage 14, last pipe 11, head pipe 12, under manage 14 and standpipe 13 surround quadrangle, head pipe 12, under manage 14 and be the hollow setting with standpipe 13, go up pipe 11 again, head pipe 12, under manage 14 and standpipe 13 enclose be formed with one built on stilts between 15.

Chain stay 2 is mounted on front frame 1, and an end group of Chain stay 2 is located at standpipe 13 a connections end of pipe 14 down, and the other end then is connected with group towards the extension of bicycle rear direction and with trailing wheel; Accordingly, by the assembly setting of front frame 1 with Chain stay 2, make the rider when driving bicycle, Chain stay 2 relative front frames 1 are done shake pendulum slightly, so that the buffering adjustment of trailing wheel to be provided, and the weight that further alleviates bicycle increases the speed that drives and (aforementionedly is the major technique feature of the utility model master embodiment, the content of its corresponding the application's claim 1, known clearly and known the purpose of this utility model and example, and the described technical characterictic of all the other appended claims is to be detailed description or additional technical feature to claim 1 content, but not in order to limit the confining spectrum of claim 1, should know the unnecessary described technical characterictic of all the other appended claims scopes that necessarily comprises of the application's claim 1).

Regular Bicycle can be divided into three parts, one is front frame 1 of the present utility model, two parts are to control the control of direct of travel to portion 3 in addition, and the Chain stay 2 that is used to provide the trailing wheel assembling, the seat pipe portion 4 that provides the rider to take is provided in addition on front frame 1 top again, the rider takes in seat pipe portion 4, and the working direction of bicycle is controlled in the gripping control to portion 3, yet, see also shown in Figure 2, and with Fig. 1 for auxiliary, in order to provide the rider when driving bicycle, can have the preferable ability of controlling and flexibility ratio, therefore, an end that connects pipe 11 at this pipe 12 is concaved with short slot 121 on, connecting down, an end of pipe 14 then is concaved with short slot 122, should go up short slot 121 again manages 12 external diameter edge by head and manages 12 external diameter edge towards standpipe 13 directions to the down distance of pipe 14 tube walls greater than short slot 122 down by head towards the distance of supreme pipe 11 tube walls of standpipe 13 directions, other is provided with one group of hole 123 and runs through head pipe 12 to following short slot 122 bottom lands by last short slot 121 bottom lands, the control of bicycle is inserted in the group hole 123 of head pipe 12 to portion 3, and two ends expose to group hole 123, control the end that exposes to portion 3 again and further be connected with group with the front wheele part branch of bicycle again, provide the rider to control advancing of bicycle with this.

Stability when head pipe 12 effects of bicycle are to provide the rider to drive, therefore the angle design of head pipe 12 just seem be important, head pipe 12 angles are the formed angles of finger pipe range extension line and ground, the reaction when dealing with impact of the more little bicycle front-wheel of angle is lower, more do not have the situation of overturning, therefore, please consult illustrated in figures 1 and 2 again, the design of head pipe 12 is advanced so that installing and the control of bicycle control to portion 3 to be provided, further be towards the arc surface of standpipe 13 direction indents at the cell wall position of last short slot 121 again, and the cell wall of following short slot 122 also is the arc surface that is arranged with in standpipe 13 directions, and the design form of head pipe 12 by an end of last short slot 121 down short slot 122 directions be gradually wide design, again according to the winding form of control to portion 3 and head pipe 12, the control of bicycle is passed through last short slot 121 to portion 3, concaved circular cambered surface design in the cell wall of following short slot 122 is, and the group hole 123 of head pipe 12 is oblique design with head pipe 12, the control that makes bicycle can be with the form setting of tilting to portion 3, provide the rider when controlling turning of bicycle and advance, control can be according to the optimal pivot swing of the arc camber of arc surface to portion 3, turn to reach smooth and easy, and can not influence rider's the ability of controlling and flexibility ratio.

See also shown in 1 figure, after front frame 1 part has been described, besides the technical characterictic of bright Chain stay 2, Chain stay 2 further includes the hollow side arm tube 22 that a group connecting part 21 and two connects group connecting part 21, two side arm tubes 22 are the Y-shaped design with group connecting part 21, two side arm tubes 22 are corresponding mutually, and be formed with an assembling space 23 with group connecting part 21 between two side arm tubes 22, the trailing wheel pivot group of bicycle is at two side arm tubes, 22 ends, and be positioned at assembling space 23, assembling space 23 is gradually wide design by the end of end to two side arm tube 22 of group connecting part 21 again, avoiding hindering the pivotal action of trailing wheel, and the following thin portion technical characterictic that further specifies Chain stay:

One, convenient for the installing that trailing wheel is provided, cut open at the end of each side arm tube 22 and to be provided with a groove 221, and each groove 221 cut open set direction along side arm tube 22 terminal shafts to cutting open, be able to direct pivot group in groove 221 by trailing wheel, convenient follow-up dismounting, maintenance etc. see also shown in Figure 2.

Two, the physical function situation of self can be provided when providing the rider to drive in early days again, and the operations function of bicycle when driving action, therefore then can many detectors be installed at bicycle,, the circuit of these detectors is most of exposed, cause tripping of rider easily, be subjected to external factor and problem such as pull apart produces, therefore, see also shown in Figure 3, the utility model respectively is concaved with an engagement groove 222 in the top side of two side arm tubes 22, and each engagement groove 222 offers at least one perforation 2221, be combined with cork spare 5 in the perforation 2221, design by engagement groove 222, make the circuit of various detecting instruments penetrate in side arm tube 22, to be hidden and establish via perforation 2221, except above-mentioned each side arm tube 22 provides the circuit of detecting instrument to hide to establish, also can be hidden by the design of side arm tube 22 at the Brake of trailing wheel fare and to be established within it, therefore, arbitrary pipe is provided with plural line hole in two side arm tubes 22, bicycle De Brake fare can be penetrated to corresponding side arm tube 22 by the line hole, and be connected internally to control to portion 3 via front frame 1, (the utility model is provided with engagement groove 222 at Chain stay 2 to provide the rider to control Brake car device when driving, perforation 2221, the line hole is known technology, its purposes is providing detecting instrument circuit Yi Ji the Brake fare can penetrate to be hidden in the front frame 1 establishes, and does not therefore show the wire laying mode of circuit on diagram).

Three, for the above-mentioned two illustrated Chain stay 2 De Brake fares that are installed in are provided, the circuit of detecting instrument wear around to the control of front frame 1 to portion 3, so that the rider to be provided control operation, group connecting part 21 at Chain stay 2 has further provided a through hole 211, an end of pipe 14 offers through hole 6 in addition one time and the standpipe 13 of front frame 1 connects down, and through hole 211 is interconnected front frame 1 and this two side arm tube 22 indirectly through time through hole 6, be mounted on the detecting instrument of Chain stay 2 Yu the Brake fare all can be by the setting of through hole 211 with this, to wear around to front frame 1, and the control that is connected to bicycle provides the rider to control in portion 3, sees also shown in Figure 3.

Four, please join shown in Figure 4, the utility model the one side of the outer circumferential side of standpipe 13 and corresponding head pipe 12 further group be provided with a containing rack 7, and this containing rack 7 be positioned at built on stilts between 15, the rider can be by objects such as containing rack 7 installing kettles, cups.

After comprehensive above-mentioned four technical characterictics explanation, the utility model and known technology are mutually relatively down, reduced the pipe fitting that is connected to Chain stay 2 ends by standpipe 13, so be minimized expending on the cost, and further alleviate the weight of bicycle integral body, the rider is being driven when running into the road surface of jolting uneven, Chain stay 2 can provide trailing wheel to move to increase the buffering power along with jolting of road surface, allowing the rider drive when jolting the road surface uneven can drive in the preferable mode of driving, to avoid the fracture between front frame 1 and the Chain stay 2.

The above is preferred embodiment of the present utility model only, is not for limiting protection domain of the present utility model.

Claims

1. bicycle frame structure, it includes a front frame and a Chain stay, it is characterized in that:

This front frame includes on the hollow and manages, and the two ends of last pipe are connected with a pipe and a standpipe respectively, be connected with pipe again between head pipe and standpipe, this pipe, pipe is the hollow setting with standpipe down, should go up again pipe, head pipe, down pipe and standpipe enclose be formed with one built on stilts between;

This Chain stay is mounted on front frame, and an end group of Chain stay is located at a standpipe connection end of pipe down, and the other end then is connected with group towards the extension of bicycle rear direction and with trailing wheel.

2. bicycle frame structure according to claim 1, it is characterized in that, this pipe connects an end of going up pipe and is concaved with short slot on, connecting down, an end of pipe then is concaved with short slot, should go up again short slot by an external diameter of pipe edge towards the distance of the supreme tube wall of standpipe direction greater than short slot down by an external diameter of pipe edge towards the standpipe direction to the distance of tube wall down, other is provided with one group of hole and runs through the head pipe to short slot bottom land down by last short slot bottom land.

3. bicycle frame structure according to claim 2 is characterized in that, cell wall of short slot is arranged with to the standpipe direction and is arc surface on this, and this pipe by an end of last short slot down the short slot direction be gradually wide.

4. bicycle frame structure according to claim 1, it is characterized in that, this Chain stay further includes the hollow side arm tube that a group connecting part and two connects group connecting part, and the corresponding setting of this two side arm tube, and this two side arm tube and group connecting part are formed with an assembling space, this assembling space is gradually wide by an end to this two side arm tubes end of group connecting part, and bicycle rear is with this two side arm tubes phase pivot group and be positioned at assembling space.

5. bicycle frame structure according to claim 4 is characterized in that, an end of this two side arm tubes pivot joint bicycle rear respectively cuts open and is provided with a groove.

6. bicycle frame structure according to claim 4 is characterized in that, the group connecting part of this Chain stay has further provided a through hole, and the standpipe of this front frame descends an end of pipe to offer through hole in addition one time in succession, and this through hole is connected with time through hole again.

7. bicycle frame structure according to claim 1 is characterized in that, the one side of the corresponding pipe of this standpipe outer circumferential side further group is provided with a containing rack, and this containing rack be positioned at built on stilts between.