CN202806998U

CN202806998U - Bicycle frame

Info

Publication number: CN202806998U
Application number: CN201220431612.2U
Authority: CN
Inventors: 赵慧玲; 黄伟峻; 黄信福; 李晟硕
Original assignee: Cycling and Health Tech Ind R&D Center
Current assignee: Cycling and Health Tech Ind R&D Center
Priority date: 2012-08-29
Filing date: 2012-08-29
Publication date: 2013-03-20
Anticipated expiration: 2022-08-29

Abstract

The utility model relates a bicycle frame which comprises an upper plate, a lower plate, a front connecting piece, two rear connecting pieces and a seat tube unit. The upper plate is provided with an upper head tube combination section, an upper back fork section and an upper seat tube combination section connected between the upper head tube combination section and the upper back fork section, the upper back fork section comprises two rear upper forks which respectively stretch backwards from the upper seat tube combination section, and the upper plate is in an upswept arch shape. The lower plate is located below the upper plate and provided with a lower head tube combination section, a lower back fork section and a lower seat tube combination section connected between the lower head tube combination section and the lower back fork section, the lower back fork section comprises two rear lower forks which respectively stretch backwards from the lower seat tube combination section, the lower plate is in an downbent arch shape, and the whole upper plate and the lower plate are in an eye shape. The front connecting piece is used for connecting the front ends of the upper head tube combination section and the lower head tube combination section. One of the rear connecting pieces is used for connecting the rear ends of the two rear upper forks, and the other rear connecting piece is used for connecting the rear ends of the corresponding rear lower forks. The seat tube unit is used for connecting the upper seat tube combination section and the lower seat tube combination section. Therefore, stress can be dispersed towards two ends of the upper plate and two ends of the lower plate, and the phenomenon that stress is notably concentrated on a seat tube is effectively avoided.

Description

The vehicle frame of bicycle

Technical field

The utility model relates to a kind of vehicle body structure, refers to especially a kind of vehicle frame of bicycle.

Background technology

Generally speaking, the vehicle frame of bicycle comprises a front triangle and a Vee formation, front triangle is by upper pipe, lower pipe and seat structure that pipe encloses, Vee formation then is by Seat stay, Chain stay and seat structure that pipe encloses, wherein upper pipe and Seat stay are the positions that is connected to the nearly top of seat pipe, lower pipe and Chain stay then are connected to the position of the nearly bottom of seat pipe, so design the pipe of being present easily and concentrate with the connecting point position generation stress of other pipe fittings, also indirectly having caused in the past, vehicle frame mostly is the phenomenon made from the higher metal material of intensity.Though at present also the someone attempts making vehicle frame with fiber composite materials, but still not enough in the structural strength of pipe fitting joint, and usually need to reinforced ribs be set additionally in pipe and improve structural strength, this method is comparatively complicated in processing.

Obviously, the cycle frame that in the past designed for main structure body with front triangle and Vee formation, because the consideration of structural strength, higher for the requirement of strength of material, the material that causes Gong selecting is limited to some extent.

Therefore, how to overcome the myth that cycle frame for a long time mainly is made of front triangle, Vee formation, and the situation that how changes the vehicle frame distribution of force from structure, be the direction that the utility model is primarily had in mind.

Summary of the invention

For the problems referred to above, main purpose of the present utility model is to provide a kind of cycle frame that stress concentrates on seat pipe situation that slows down.

For achieving the above object, the vehicle frame of a kind of bicycle provided by the utility model, it is characterized in that comprising: a upper plate 10, having the higher authorities manages on the adapter section 11, back vent section 12 and seat of honour pipe adapter section 13 and is connected in described the higher authorities and manages between adapter section 11 and the upper back vent section 12, described upper back vent section 12 comprises that two Seat stays 121 extend from described seat of honour pipe adapter section 13 respectively backwards, and described upper plate 10 is the arc of K/UP; One lower plate 20 is positioned at described upper plate 10 belows, have head tube adapter section 21, once back vent section 22 and a seat pipe adapter section 23 are connected between described following pipe adapter section 21 and the lower back vent section 22, described lower back vent section 22 comprises that two Chain stays 221 extend from described lower pipe adapter section 23 respectively backwards, described lower plate 20 is reclinate arc, and described upper and

lower plate

10,20 integral body are a shape; One front attaching parts 30 connects described upper and lower head

tube adapter section

11,21 front end; Two rear connectors 40 connect respectively the rear end of described two Seat stays 121 and corresponding Chain stay 221 thereof; A pipe unit 50 connects described upper and lower seat

pipe adapter section

13,23.

In the above-mentioned the technical solution of the utility model, described upper plate 10 has a bottom surface 14, described lower plate 20 has an end face 24, described front attaching parts 30 comprises that a front connecting portion 31 and a head tube 32 be located at described front connecting portion 31, described front connecting portion 31 has joint face 311 and one first time joint face 312 on one first, joint face 311 joins with the bottom surface 14 of described upper plate 10 on described first, and described first time joint face 312 joins with the end face 24 of described lower plate 20.

Described the higher authorities manage adapter section 11 and have that head tube arranges hole 111 on one, described following pipe adapter section 21 has, and head tube arranges hole 211, described head tube 32 comprises a head tube epimere 321 and a head tube hypomere 322, described head tube epimere 321 joint face 311 on described first is outstanding up, described head tube hypomere 322 is outstanding down from described first time joint face 312, and described head tube epimere 321 and head tube hypomere 322 are arranged in respectively described upper and lower head tube hole 111,211 is set.

Described upper plate 10 has a bottom surface 14, described lower plate 20 has an end face 24, each described rear connectors 40 comprises that a rear connecting portion 41 and a trailing wheel axis part 42 be located at described rear connecting portion 41, described rear connecting portion 41 has joint face 411 and one second time joint face 412 on one second, joint face 411 joins with the bottom surface 14 of described upper plate 10 on described second, and described second time joint face 412 joins with the end face 24 of described lower plate 20.

Described upper plate 10 has on a bottom surface 14 and one accommodating hole 131 and is located at described seat of honour pipe adapter section 13, described lower plate 20 has an end face 14, described seat pipe unit 50 comprises a pipe stage casing 51, described seat pipe stage casing 51 has joint face 511 on the 3rd, one the 3rd time joint face 512 and a stage casing pipe shaft 513 are located on the 3rd, lower joint face 511, between 512, joint face 511 joins with the bottom surface 14 of described upper plate 10 on the described the 3rd, described the 3rd time joint face 512 joins with the end face 24 of described lower plate 20, described stage casing pipe shaft 513 definition has a pipe to plug hole 514, and joint face 511 has a upper shed 515 and is communicated in the upper accommodating hole 131 that described seat pipe plugs hole 514 and described upper plate 10 on the described the 3rd.

Described upper plate 10 has an end face 15, described seat pipe unit 50 more comprises extension 52 on, described upper extension 52 has a upper sealing plate 521 and a upper extension tube 522 provides in described upper sealing plate 521, described upper sealing plate 521 joins with the end face 15 of described upper plate 10, and described upper extension tube 522 has pipe section 523 and inserts described seat pipe from described upper accommodating hole 131 and upper shed 515 and plug in the hole 514.

Described lower plate 20 have a bottom surface 25 and once accommodating hole 231 be located at described lower and manage adapter section 23, described the 3rd time joint face 512 has a under shed 516 and is communicated in the lower accommodating hole 231 that described seat pipe plugs hole 514 and lower plate 20, described seat pipe unit 50 more comprises extension 53, described downward-extension section 53 have shrouding 531 and once extension pipe 532 be located at described lower shrouding 531, described lower shrouding 531 joins with the bottom surface 25 of described lower plate 20, and described downward-extension pipe 532 plugs in the hole 514 from described lower accommodating hole 231 and the described seat of under shed 516 insertions pipe.

Comprise that also a crank connects central siphon 60 and is located at described downward-extension section 53 and defines a crank connecting shaft hole 61, described crank connecting shaft hole 61 is parallel to the ground, and described downward-extension pipe 532 and described crank connect top, the both sides, the end that central siphon 60 lays respectively at described lower shrouding 531.

Described the higher authorities manage adapter section 11 and have frontal plane 112 on, described following pipe adapter section 21 has frontal plane 212, described front attaching parts 30 has the block of going forward plane 33 and reaches front block plane 34, and described upper and lower frontal plane 112,212 is resisted against respectively described upper and lower

front block plane

33,34.

Each described Seat stay 121 has back plane 122 on, each described Chain stay 221 has back plane 222, block plane 44 after block plane 43 reached after each described rear connectors 40 had on one, described upper and lower back plane 122,222 is resisted against respectively described upper and lower

rear block plane

43,44.

Adopt technique scheme, the utility model is to be arc upper and lower plate as main structure body, and both integral body is a shape, with this make stress can be up, the two ends of lower plate disperse, effectively improve the phenomenon that stress significantly concentrates on seat pipe position, thus, the standard of vehicle frame Material Strength is minimized, the degree of freedom of material selection is promoted naturally, really is one to have the creation of breakthrough improvement.

Description of drawings

Fig. 1 is the block diagram of the utility model preferred embodiment;

Fig. 2 is the exploded drawings of the utility model preferred embodiment;

Fig. 3 is the block diagram of the bicycle of the utility model preferred embodiment.

The specific embodiment

Below will and cooperate description of drawings structure of the present utility model, Characteristic by a preferred embodiment, but be not meant to limit the claimed category of the utility model, close chat first bright.

At first, as shown in Figure 1 and Figure 2, in preferred embodiment of the present utility model, a kind of vehicle frame of bicycle comprises that a upper plate 10, a lower plate 20 are positioned at the below of upper plate 10, a front attaching parts 30, two rear connectors 40 and a pipe unit 50.

Upper plate 10 has that the higher authorities manage that back vent section 12 on the adapter section 11,, seat of honour pipe adapter section 13 is connected between the higher authorities' pipe adapter section 11 and the upper back vent section 12, accommodating hole 131 is located at seat of honour pipe adapter section 13 on the bottom surface 14, an end face 15 and, upper back vent section 12 comprises that two Seat stays 121 extend from seat of honour pipe adapter section 13 respectively backwards, and upper plate 10 is the arc of K/UP.

20 of lower plates have head tube adapter section 21, once back vent section 22, seat pipe adapter section 23 be connected between following pipe adapter section 21 and the lower back vent section 22, an end face 24, a bottom surface 25 and once accommodating hole 231 be located at lower and manage adapter section 23, lower back vent section 22 comprises that two Chain stays 221 extend from lower pipe adapter section 23 respectively backwards, it is reclinate arc that lower plate 20 is, and upper and

lower plate

10,20 integral body are a shape.

Front attaching parts 30 connects upper and lower head

tube adapter section

11,21 front end, wherein before the mode that is connected with upper and lower head

tube adapter section

11,21 front ends of attaching parts 30 can be but be not limited to mode as described below:

Front attaching parts 30 can comprise that a front connecting portion 31 and a head tube 32 be located at front connecting portion 31, front connecting portion 31 has joint face 311 and one first time joint face 312 on one first, joint face 311 joins with the bottom surface 14 of upper plate 10 on first, first time joint face 312 joins with the end face 24 of lower plate 20, wherein before connecting portion 31 and head tube 32 be not connected to necessity with one.

In addition, in order to locate head tube 32, the higher authorities pipe adapter section 11 can be provided with that head tube arranges hole 111 on one, following 21 of adapter section of pipe can have, and head tube arranges hole 211, head tube 32 comprises a head tube epimere 321 and a head tube hypomere 322, head tube epimere 321 is that joint face 311 is outstanding up on first, head tube hypomere 322 then is outstanding down from first time joint face 312, and head tube epimere 321 and head tube hypomere 322 are arranged in respectively, lower head tube arranges hole 111,211, so except the location that can reach head tube 32, also fixed in the lump, lower plate 10, the position of 20 front ends.

In addition, the higher authorities' pipe adapter section 11 can have frontal plane 112 on, following pipe adapter section 21 can have frontal plane 212, and front attaching parts 30 more can have the block of going forward plane 33 and reach front block plane 34, upper and lower frontal plane 112,212 is for being resisted against respectively upper and lower

front block plane

33,34, further bears upper and

lower plate

10,20 with this and is dispersed to upper and lower head

tube adapter section

11,21 stress.

Two rear connectors 40 connect respectively the rear end of two Seat stays 121 and corresponding Chain stay 221 thereof, and wherein the mode that is connected with Seat stay 121, Chain stay 221 rear ends of each rear connectors 40 can be but is not limited to mode as described below:

Each rear connectors 40 can comprise that a rear connecting portion 41 and a trailing wheel axis part 42 be located at rear connecting portion 41, rear connecting portion 41 has joint face 411 and one second time joint face 412 on one second, joint face 411 joins with the bottom surface 14 of upper plate 10 on second, second time joint face 412 then is that the end face 24 with lower plate 20 joins, 42 of trailing wheel axis parts are used for connecting, supporting the wheel shaft of bicycle rear, and wherein rear connecting portion 41 and trailing wheel axis part 42 are not connected to necessity with one.In addition, each Seat stay 121 has more back plane 122 on, 221 of each Chain stays have back plane 222, each rear connectors 40 more can have upper rear block plane 43 and reach rear block plane 44, upper and lower back plane 122,222 is resisted against respectively upper and lower

rear block plane

43,44, further bears upper and

lower plate

10,20 with this and is dispersed to upper and lower

back vent section

12,22 stress.

Seat pipe unit 50 connects upper and lower seat

pipe adapter section

13,23, and its connection mode can be but is not limited to mode as described below:

Seat pipe unit 50 can comprise a pipe stage casing 51, seat pipe stage casing 51 has joint face 511 on the 3rd, one the 3rd time joint face 512 and a stage casing pipe shaft 513 are located on the 3rd, lower joint face 511, between 512, joint face 511 joins with the bottom surface 14 of upper plate 10 on the 3rd, the 3rd time joint face 512 joins with the end face 24 of lower plate 20, pipe shaft 513 definition in stage casing have a pipe to plug hole 514, joint face 511 has a upper shed 515 and is communicated in the upper accommodating hole 131 that a pipe plugs hole 514 and upper plate 10 on the 3rd, with this seat being managed stage casing 51 is located, on also having fixed on the other hand, lower seat

pipe adapter section

13,23 between the two distances, in other words, by front attaching parts 30, rear connectors 40 and seat pipe unit 50 are connected to, lower plate 10, between 20, can make,

lower plate

10,20 bulk shape is fixed, and guiding stress up, lower plate 10, before 20, the rear end disperses, thereby effectively reduces the phenomenon that local structure stress is concentrated.

Located in order further the seat of honour to be managed adapter section 13, and for the ease of plugging of bicycle seat pole, seat pipe unit 50 more can comprise extension 52 on, upper extension 52 has a upper sealing plate 521 and a upper extension tube 522 provides in upper sealing plate 521, upper sealing plate 521 joins with the end face 15 of upper plate 10, upper extension tube 522 has, and pipe section 523 plugs in the hole 514 from upper accommodating hole 131 and upper shed 515 insertion seat pipes, that is to say, joint face 511 is respectively from the top of upper plate 10 on the upper sealing plate 521 and the 3rd,

bottom surface

15,14 sandwiched seats of honour pipe adapter section 13, stability in the time of can guaranteeing structure stress, and the seat bar of bicycle is also than being easier to contraposition, be inserted in the upper extension tube 522 that upper plate 10 end faces 15 expose.

On the other hand, in order further lower pipe adapter section 23 to be located, the 3rd time joint face 512 can have a under shed 516 and be communicated in the lower accommodating hole 231 that a pipe plugs hole 514 and

lower plate

20,50 of pipe units of seat more can comprise extension 53, downward-extension section 53 have shrouding 531 and once extension pipe 532 be located at lower shrouding 531, lower shrouding 531 joins with the bottom surface 25 of lower plate 20, downward-extension pipe 532 then is to plug in the hole 514 from lower accommodating hole 231 and under shed 516 insertion seat pipes, thus, lower shrouding 531 and the 3rd time joint face 512 are respectively from the end of lower plate 20, end face 25, lower of 24 sandwicheds pipe adapter section 23, the stability when guaranteeing that with this lower plate 20 is stressed.

In addition, crank mechanism for the ease of the installing bicycle, vehicle frame of the present utility model can comprise that more a crank connects central siphon 60 and is located at downward-extension section 53 and defines a crank connecting shaft hole 61, crank connecting shaft hole 61 is parallel to the ground and can be for the crank shaft that is installed with crank mechanism, and downward-extension pipe 532 and crank connect top, the both sides, the end that central siphon 60 can lay respectively at lower shrouding 531.That is to say that in the present embodiment, crank connects the bottom that central siphon 60 is arranged in a pipe unit 50, but the utility model do not get rid of yet with crank connect that central siphon 60 directly is arranged in lower plate 20 other appropriate locations may.

After the assembling of above-mentioned vehicle frame is finished, can be as shown in Figure 3 the spare part of other bicycles be assembled on this vehicle frame, these spare parts belong to be commonly used and common person, therefore will not describe in detail for this reason in this article.

Based on above-mentioned explanation as can be known, cycle frame of the present utility model, compared to vehicle frame in the past, on the structure kenel, really has marked difference, for example the utility model will be in the past the system that substantially consisted of by forward and backward triangle of vehicle frame changed, made up and change with arc upper and lower plate, avoid or slow down at least the phenomenon that stress in the past concentrates on a pipe easily with this.Thus, after upper and lower plate force dispersion, selecting just of its material can have more elasticity, except available metal or alloy material are made, also be applicable to fiber composite materials, timber or or even plastics, described timber more is not limited with log, in fact can adopt the wooden plywood with multiple-structure, change with this and to commonly use vehicle frame and for material selection the awkward situation of limitation, the demand of satisfying the market seeking change and innovation are arranged more.

Need to prove; the above only is preferred embodiment of the present utility model; in fact the structure of this vehicle frame still can be made suitable modification; for example forward and backward attaching parts can change the side that is located at upper and lower plate but not top, bottom surface; and the structure kenel of seat pipe unit also can be carried out conversion on demand; such as these do not break away from simple and easy displacement or change that the utility model spirit is done, must belong to patent protection category of the present utility model.

Claims

1. the vehicle frame of a bicycle is characterized in that comprising:

One upper plate (10), having the higher authorities manages on the adapter section (11), back vent section (12) and seat of honour pipe adapter section (13) and is connected in described the higher authorities and manages between adapter section (11) and the upper back vent section (12), described upper back vent section (12) comprises that two Seat stays (121) extend from described seat of honour pipe adapter section (13) respectively backwards, and described upper plate (10) is the arc of K/UP;

One lower plate (20) is positioned at described upper plate (10) below, have head tube adapter section (21), once back vent section (22) and a seat pipe adapter section (23) are connected between described following pipe adapter section (21) and the lower back vent section (22), described lower back vent section (22) comprises that two Chain stays (221) extend from described lower pipe adapter section (23) respectively backwards, described lower plate (20) is reclinate arc, and the integral body of described upper and lower plate (10,20) is a shape;

One front attaching parts (30) connects the front end of described upper and lower head tube adapter section (11,21);

Two rear connectors (40) connect respectively the rear end of described two Seat stays (121) and corresponding Chain stay (221) thereof;

A pipe unit (50) connects described upper and lower seat pipe adapter section (13,23).

2. the vehicle frame of bicycle as claimed in claim 1, it is characterized in that: described upper plate (10) has a bottom surface (14), described lower plate (20) has an end face (24), described front attaching parts (30) comprises that a front connecting portion (31) and a head tube (32) be located at described front connecting portion (31), described front connecting portion (31) has joint face on one first (311) and one first time joint face (312), joint face on described first (311) joins with the bottom surface (14) of described upper plate (10), and described first time joint face (312) joins with the end face (24) of described lower plate (20).

3. the vehicle frame of bicycle as claimed in claim 2, it is characterized in that: described the higher authorities manage adapter section (11) and have that head tube arranges hole (111) on one, described following pipe adapter section (21) has, and head tube arranges hole (211), described head tube (32) comprises a head tube epimere (321) and a head tube hypomere (322), described head tube epimere (321) joint face (311) on described first is outstanding up, described head tube hypomere (322) is outstanding down from described first time joint face (312), described head tube epimere (321) and head tube hypomere (322) be arranged in respectively described on, lower head tube arranges hole (111,211).

4. the vehicle frame of bicycle as claimed in claim 1, it is characterized in that: described upper plate (10) has a bottom surface (14), described lower plate (20) has an end face (24), each described rear connectors (40) comprises that a rear connecting portion (41) and a trailing wheel axis part (42) be located at described rear connecting portion (41), described rear connecting portion (41) has joint face on one second (411) and one second time joint face (412), joint face on described second (411) joins with the bottom surface (14) of described upper plate (10), and described second time joint face (412) joins with the end face (24) of described lower plate (20).

5. the vehicle frame of bicycle as claimed in claim 1, it is characterized in that: described upper plate (10) has on a bottom surface (14) and one accommodating hole (131) and is located at described seat of honour pipe adapter section (13), described lower plate (20) has an end face (14), described seat pipe unit (50) comprises a pipe stage casing (51), described seat pipe stage casing (51) has joint face on the 3rd (511), one the 3rd time joint face (512) and a stage casing pipe shaft (513) are located on the 3rd, lower joint face (511,512) between, joint face on the described the 3rd (511) joins with the bottom surface (14) of described upper plate (10), described the 3rd time joint face (512) joins with the end face (24) of described lower plate (20), described stage casing pipe shaft (513) definition has a pipe to plug hole (514), and joint face (511) has a upper shed (515) and is communicated in the upper accommodating hole (131) that described seat pipe plugs hole (514) and described upper plate (10) on the described the 3rd.

6. the vehicle frame of bicycle as claimed in claim 5, it is characterized in that: described upper plate (10) has an end face (15), described seat pipe unit (50) more comprises extension on (52), described upper extension (52) has a upper sealing plate (521) and a upper extension tube (522) provides in described upper sealing plate (521), the end face (15) of described upper sealing plate (521) and described upper plate (10) joins, and described upper extension tube (522) has pipe section (523) and inserts described seat pipe from described upper accommodating hole (131) and upper shed (515) and plug in the hole (514).

7. the vehicle frame of bicycle as claimed in claim 5, it is characterized in that: described lower plate (20) have a bottom surface (25) and once accommodating hole (231) be located at described lower and manage adapter section (23), described the 3rd time joint face (512) has a under shed (516) and is communicated in the lower accommodating hole (231) that described seat pipe plugs hole (514) and lower plate (20), described seat pipe unit (50) more comprises extension (53), described downward-extension section (53) have shrouding (531) and once extension pipe (532) be located at described lower shrouding (531), described lower shrouding (531) joins with the bottom surface (25) of described lower plate (20), and described downward-extension pipe (532) plugs in the hole (514) from described lower accommodating hole (231) and the described seat of under shed (516) insertion pipe.

8. the vehicle frame of bicycle as claimed in claim 7, it is characterized in that: comprise that also a crank connects central siphon (60) and is located at described downward-extension section (53) and defines a crank connecting shaft hole (61), described crank connecting shaft hole (61) is parallel to the ground, and described downward-extension pipe (532) and described crank connect top, both sides, the end that central siphon (60) lays respectively at described lower shrouding (531).

9. the vehicle frame of bicycle as claimed in claim 1, it is characterized in that: described the higher authorities manage adapter section (11) and have frontal plane on (112), described following pipe adapter section (21) has frontal plane (212), described front attaching parts (30) has the block of going forward plane (33) and reaches front block plane (34), and described upper and lower frontal plane (112,212) is resisted against respectively described upper and lower front block plane (33,34).

10. the vehicle frame of bicycle as claimed in claim 1, it is characterized in that: each described Seat stay (121) has back plane on (122), each described Chain stay (221) has back plane (222), block plane (44) after block plane (43) reached after each described rear connectors (40) had on one, described upper and lower back plane (122,222) is resisted against respectively described upper and lower rear block plane (43,44).