CN207985082U - A kind of bicycle and its vehicle frame - Google Patents
A kind of bicycle and its vehicle frame Download PDFInfo
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- CN207985082U CN207985082U CN201820345490.2U CN201820345490U CN207985082U CN 207985082 U CN207985082 U CN 207985082U CN 201820345490 U CN201820345490 U CN 201820345490U CN 207985082 U CN207985082 U CN 207985082U
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- bicycle
- vehicle frame
- crossbeam
- rod piece
- bifurcation structure
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Abstract
The utility model is related to a kind of bicycle and its vehicle frames, wherein vehicle frame includes the first rod piece, and the first rod piece, which is equipped with, bends and sequentially form first crossbeam, cant beam and second cross beam at two, second cross beam is set to the lower section of first crossbeam；First crossbeam is equipped with seat fixing bracket, and second cross beam is equipped with Five-way tube, and the headstock connection of the bending place and bicycle between first crossbeam and cant beam.The vehicle frame can the effectively overall structure and processing technology of reduced proper motion vehicle, raising processing and packaging efficiency, and then reduction development cost.
Description
Technical field
The utility model is related to technical field of bicycles, and in particular to a kind of bicycle and its vehicle frame.
Background technology
Bicycle is most convenient quick not only environmental protection but also the vehicles of body-building, and more and more users' selection at present is in short distance
With cycling trip when trip.But since the cycle frame of current domestic mainstream is all triangle frame, by by multiple pipes
Material is welded, and between triangular frame and rear axle is also to form supporting role by being welded into triangle.It is filled in production
With that in the process, there are assembling steps is more, integrated artistic butt welding point is more, not only coherence request is high, and poor reliability and work
Sequence complexity produces the input cost of labor also problems such as more.
Utility model content
The purpose of this utility model is to provide a kind of bicycle and its vehicle frame, can effectively the overall structure of reduced proper motion vehicle and
Processing technology improves processing and packaging efficiency, and then reduces development cost.
In order to solve the above technical problems, the utility model provides a kind of vehicle frame of bicycle comprising the first rod piece, it is described
First rod piece, which is equipped with, to be bent at two and sequentially forms first crossbeam, cant beam and second cross beam, and the second cross beam is set to described the
The lower section of one crossbeam；The first crossbeam is equipped with seat fixing bracket, and the second cross beam is equipped with Five-way tube, and described first is horizontal
Bending place between beam and the cant beam is connect with the headstock of the bicycle.
The vehicle frame of bicycle in the present embodiment is the integral structure formed by the first rod piece, and first rod piece is through at two
It is bent to form three-stage structure, i.e., above-mentioned first crossbeam, cant beam and second cross beam, wherein second cross beam is set under first crossbeam
Side, and cant beam is located at front side, " preceding " refers to towards the side of the headstock of bicycle, that is to say, that three-stage structure forms approximate U-shaped
Structure, backward, closed end forward, for the vehicle frame of traditional triangular structure, simplifies for the open end of the U-shaped structure
While overall structure, space bigger is convenient for the setting in this space to the other structures of bicycle, and then expansible more
Function, improve the applicability of the bicycle.
First crossbeam is equipped with seat fixing bracket, and for vehicle seat to be arranged, second cross beam is equipped with Five-way tube, and first crossbeam
The headstock of bending place and bicycle between cant beam connects.
In assembling process, it is only necessary to two first rod pieces are relatively fixed, it is simple in structure, amount of parts is less,
And then integrally-built packaging technology can be simplified, assembling effect can be also effectively improved while reducing the cost of entire bicycle
Rate.
Optionally, the quantity of first rod piece is two, and two first rod pieces are set up in parallel, two described the
The rear end of one crossbeam forms the first bifurcation structure, and the rear end of two second cross beams forms the second bifurcation structure；The seat
Fixing bracket is set to first bifurcation structure, and the end of second bifurcation structure is equipped with rear-wheel hub fixing bracket.
Optionally, further include supporting rack, support frame as described above is connected to first bifurcation structure and the second bifurcated knot
Between structure.
Optionally, support frame as described above is U-shaped rod piece, and the closed end of the U-shaped rod piece is connect with first bifurcation structure,
The open end of the U-shaped rod piece is connect with second bifurcation structure.
Optionally, the rear portion of first bifurcation structure is equipped with spare seat support.
Optionally, second bifurcation structure is additionally provided with two rear pedal fixing brackets, and two rear pedals are solid
Fixed rack is respectively arranged on the outside of two first rod pieces.
Optionally, each first rod piece is hollow stem.
Optionally, the cant beam is equipped with bearing, for placing kettle and/or main battery.
Optionally, when the bicycle is electric bicycle, the bottom of the first crossbeam is additionally provided with reserve battery installation
Holder.
Optionally, the second cross beam is additionally provided with heel brace fixing bracket, is used to support the bicycle.
In addition, the utility model additionally provides a kind of bicycle comprising headstock and vehicle frame as described above.
Bicycle with vehicle frame as described above, technique effect is similar with the technique effect of above-mentioned vehicle frame, to save
Length, details are not described herein.
Optionally, the vehicle frame further includes head tube, and the head tube is set to curved between the first crossbeam and the cant beam
At folding, the headstock includes two the second rod pieces, and second rod piece has bending, and forms superposed handlebar and be located at
The connecting rod of lower part is connected with head tube holder between two the second rod pieces, for being connect with the head tube set on vehicle frame.
Optionally, the bending place between the first crossbeam and the cant beam is equipped with straightway, and the head tube is parallel fixed
In the front side of the straightway.
Optionally, it is also associated with handlebar fixing bracket between two connecting rods.
Description of the drawings
Fig. 1 is the structural schematic diagram of the bicycle of the utility model embodiment；
Fig. 2 is the structural schematic diagram of vehicle frame in Fig. 1；
Fig. 3 is the structural schematic diagram of headstock in Fig. 1；
Fig. 4 is the structural schematic diagram of the bottom of first crossbeam in Fig. 1.
In attached drawing 1-4, the reference numerals are as follows：
10- vehicle frames；1- first crossbeams；2- cant beams；3- second cross beams；4- seat fixing brackets；5- Five-way tubes；6- head tubes；
7- straightways；The first bifurcation structures of 8-；The second bifurcation structures of 9-；11- rear-wheel hub fixing brackets；12- supporting racks；13- rear treadles
Plate fixing bracket；14- bearings；15- reserve battery mounting brackets, 151- mounting holes, 152- lightening holes；16- heel brace fixing brackets；
20- headstocks；21- handlebars；22- connecting rods；23- head tube holders, 231- mounting holes；24- handlebar fixing brackets, 25-
Front hub fixing bracket, 26- front brake mounting brackets.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and have
The utility model is described in further detail for body embodiment.
Please refer to Fig.1 the structural schematic diagram that -4, Fig. 1 is the bicycle of the utility model embodiment；Fig. 2 is vehicle frame in Fig. 1
Structural schematic diagram；Fig. 3 is the structural schematic diagram of headstock in Fig. 1；Fig. 4 is the structural schematic diagram for applying the bottom of first crossbeam in 1.
The utility model embodiment provides a kind of bicycle and its vehicle frame 10, wherein as shown in Figure 1, bicycle includes
Headstock 20 and vehicle frame 10, as shown in Fig. 2, vehicle frame 10 includes the first rod piece, the first rod piece, which is equipped with, bends and sequentially forms the at two
One crossbeam 1, cant beam 2 and second cross beam 3.Specifically, the vehicle frame 10 of the bicycle in the present embodiment is formed by the first rod piece
Integral structure, first rod piece is through being bent to form three-stage structure at two, i.e., above-mentioned first crossbeam 1, cant beam 2 and second cross beam
3, wherein second cross beam 3 is set to the lower section of first crossbeam 1, and cant beam 2 is located at front side, and " preceding " refers to the headstock towards bicycle
20 side, that is to say, that three-stage structure forms approximate U-shaped structure, the open end of the U-shaped structure backward, closed end forward,
For the vehicle frame of traditional triangular structure, while simplifying overall structure, space bigger, convenient for right in this space
The setting of the other structures of bicycle, and then expansible more functions, improve the applicability of the bicycle.
First crossbeam 1 is equipped with seat fixing bracket 4, and for vehicle seat to be arranged, second cross beam 3 is equipped with Five-way tube 5, and first
Bending place between crossbeam 1 and cant beam 2 is equipped with head tube 6, and the head tube 6 with the headstock 20 of bicycle for connecting.
In assembling process, it is only necessary to two first rod pieces are relatively fixed, it is simple in structure, amount of parts is less,
And then integrally-built packaging technology can be simplified, assembling effect can be also effectively improved while reducing the cost of entire bicycle
Rate.
In the above-described embodiments, the bending place between first crossbeam 1 and cant beam 2 is equipped with straightway 7, and head tube 6 is parallel fixed
In the front side of the straightway 7, the setting of the straightway 7 increases the joint face between head tube 6 and vehicle frame 10, and then improves head
The connective stability of pipe 6.
In the above-described embodiments, the quantity of the first rod piece is two, i.e., the first rod piece that vehicle frame 10 is set up in parallel by two
Composition, intensity relative to being provided only with for the structure of first rod piece, to the Structural strength calls of single first rod piece compared with
It is low, and 10 stability of vehicle frame of the structure composition of two first rod pieces is more preferable.The vehicle frame 10 is when being assembled, it is only necessary to by two
The first rod piece of root is fixed side by side, and for fixed form between the two, it is not limited, such as passes through in the present embodiment
The realizations such as weld or be bolted.
The first bifurcation structure 8, and the back-end location of two second cross beams 3 are formed at the back-end location of two first crossbeams 1
Place forms the second bifurcation structure 9, i.e., two first rod pieces are set up in parallel, and at bifurcation structure, are separated from each other therebetween, wide
Degree increases, and therefore, seat fixing bracket 4 is set to the first bifurcation structure 8 convenient for improving the stability of seat setting, meanwhile, two
The first rod piece of root in seamlessly transitting, meets principle of human engineering in the front end of the first bifurcation structure 8, user during cycling,
Leg will not be interfered；And the rear end of the second bifurcation structure 9 is equipped with rear-wheel hub fixing bracket 11, i.e. trailing wheel part is located at the
In bifurcated structure 9, without separately setting holder, overall structure can be simplified, it is easy for installation.
In the above-described embodiments, which further includes supporting rack 12, and supporting rack 12 is connected to the first bifurcation structure 8 and
Between bifurcated structure 9, it is in for the structure of vacant state relative to vehicle seat, supporting rack 12 can improve the whole of the vehicle frame 10
Body stability, convenient for reducing the intensity requirement to the first rod piece.
Specifically, in the present embodiment, as shown in Fig. 2, set supporting rack 12 to U-shaped rod piece, closed end and first point
It pitches structure 8 to connect, open end is connect with the second bifurcation structure 9, certainly, in the present embodiment, to the shape and structure of supporting rack 12
It is not limited, such as can also be set to two bars being connected between the first bifurcation structure 8 and the second bifurcation structure 9
Part.And the supporting rack 12 of U-shaped structure is an integral structure, and is easily installed, also, its open end is down-set, and it will not be to trailing wheel
It impacts.In addition, the supporting rack 12 can also be made of tubing, while proof strength, mitigate overall weight.
In the above-described embodiments, the rear of the first bifurcation structure 8 is equipped with spare seat support (not shown), that is, increases by the
The length of one bifurcation structure 8 makes it have the space that spare seat support is arranged, for reserve seat being arranged in order to manned use,
Further increase the function of the bicycle.When equipped with reserve seat, the second bifurcation structure 9 can also set rear pedal fixing bracket 13,
Two rear pedal fixing brackets 13 are respectively arranged on the outside of two the first rod pieces, and the user for being seated at reserve seat places
Foot improves comfort in the process of moving.It is, of course, also possible to which the use such as goods basket are arranged at the rear portion of first bifurcation structure 8
In placement article, space bigger, harmony is more preferable.Simultaneously as the setting of supporting rack 12 so that increase by first bifurcation structure
8 load that can be born improve applicability.
In the above-described embodiments, each first rod piece is hollow stem, i.e. tubing, while meeting intensity, can be mitigated whole
Body weight.
In the above-described embodiments, cant beam 2 is equipped with bearing 14, for placing kettle and/or main battery, specifically, when this
When bicycle is with the pure bicycle ridden as power, which can be used for placing kettle, when the bicycle is electrical salf-walking
Che Shi, which, which can be additionally used in placement main battery or the cant beam 2, can also be arranged two bearings, be respectively used to place kettle
And main battery, also or, when main battery is kettle type battery, identical as the shape of kettle, the two can pass through the same branch
Seat 14, which is realized, to be fixed.Wherein, which is welded in cant beam 2, since the vehicle frame space of U-shaped structure is larger, the bearing 14
Specific location can be configured as needed, to meet the needs of different user.
In the above-described embodiments, it when the bicycle is electric bicycle, can be also equipped in the bottom of first crossbeam 1 spare
Battery mounting bracket 15, for placing reserve battery, to promote the cruising ability of the electric bicycle.Meanwhile electrical salf-walking
The driving motor control box of vehicle can also be set to the bottom of the first crossbeam 1.Wherein, which passes through fixation
Hole 151 is fixed with battery case, also, the reserve battery mounting bracket 15 can also be equipped with lightening hole 152, heavy in order to reduce its
Amount, and then reduce the intensity requirement of the support to cant beam 2 and supporting rack 12.To the specific shape of the lightening hole 152 in the present embodiment
Shape and installation position do not require, and can be strip holes as shown in Figure 4, can also be circular hole or square hole either it is a variety of not
The Kong Junke of rule.
In the above-described embodiments, second cross beam 3 is additionally provided with heel brace fixing bracket 16, for being in halted state in bicycle
When support bicycle prevent it from toppling over.
In the above-described embodiments, the headstock 20 of bicycle includes two the second rod pieces, and the second rod piece has bending, and is formed
Superposed handlebar 21 and connecting rod 22 positioned at lower part are connected with head tube holder 23 between two the second rod pieces, for
Head tube 6 set on vehicle frame 10 connects.The headstock 20 includes two the second rod pieces, and each second rod piece is an integral structure,
Therebetween it is connected by head tube holder 23, it is easy for installation.Two connecting rods 22 form front fork, the lower end of a connecting rod 22
It is connect with front hub fixing bracket 25, the lower end of another connecting rod 22 is connect with front brake mounting bracket 26.
Certainly, in the present embodiment, the headstock 10 of the bicycle can also be with bicycle headstock in the prior art, i.e.,
It is composed of various parts such as headstock handle, vertical tube, front forks, and the integral type headstock 10 in the present embodiment can simplify the knot of headstock
Structure reduces amount of parts, can simplify mounting process while reducing cost, improve installation effectiveness.
In the present embodiment, the second rod piece can also select hollow stem, i.e. tubing, so that the light weight of bicycle entirety
Change.
As shown in figure 3, there are two head tube holder 23 sets, each head tube holder 23 is equipped with mounting hole 231, head tube 6 when installation
It is connected through head tube 6 and two mounting holes 231 between two head pipe holders 23, and by bolt or connecting shaft, with
Realize being rotatably connected between headstock 20 and vehicle frame 10.The structure of two head pipe holders 23 is relative to a head pipe holder 23
For structure, connection is more reliable.
In the above-described embodiments, it is also associated with handlebar fixing bracket 24 between two connecting rods 22, the handlebar fixing bracket
24 promoted two the second rod pieces between connective stability while, can also pass through the handlebar fixing bracket 24 be arranged goods basket
Or car light etc..
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the scope of protection of the utility model.
Claims (14)
1. a kind of vehicle frame of bicycle, which is characterized in that including the first rod piece, first rod piece be equipped with two at bend and successively
First crossbeam (1), cant beam (2) and second cross beam (3) are formed, the second cross beam (3) is set under the first crossbeam (1)
Side；
The first crossbeam (1) is equipped with seat fixing bracket (4), and the second cross beam (3) is equipped with Five-way tube (5), and described the
Bending place between one crossbeam (1) and the cant beam (2) is connect with the headstock (20) of the bicycle.
2. the vehicle frame of bicycle according to claim 1, which is characterized in that the quantity of first rod piece is two, and
Two first rod pieces are set up in parallel, and the rear end of two first crossbeams (1) forms the first bifurcation structure (8), two institutes
The rear end for stating second cross beam (3) forms the second bifurcation structure (9)；
The seat fixing bracket (4) is set to first bifurcation structure (8),
The end of second bifurcation structure (9) is equipped with rear-wheel hub fixing bracket (11).
3. the vehicle frame of bicycle according to claim 2, which is characterized in that further include supporting rack (12), support frame as described above
(12) it is connected between first bifurcation structure (8) and second bifurcation structure (9).
4. the vehicle frame of bicycle according to claim 3, which is characterized in that support frame as described above (12) is U-shaped rod piece, described
The closed end of U-shaped rod piece is connect with first bifurcation structure (8), the open end of the U-shaped rod piece and the second bifurcated knot
Structure (9) connects.
5. the vehicle frame of bicycle according to claim 4, which is characterized in that the rear portion of first bifurcation structure (8) is set
There is spare seat support.
6. the vehicle frame of bicycle according to claim 5, which is characterized in that second bifurcation structure (9) is additionally provided with two
A rear pedal fixing bracket (13), two rear pedal fixing brackets (13) are respectively arranged on two first rod pieces
Outside.
7. according to the vehicle frame of claim 1-6 any one of them bicycles, which is characterized in that each first rod piece is sky
Core bar.
8. according to the vehicle frame of claim 1-6 any one of them bicycles, which is characterized in that the cant beam (2) is equipped with bearing
(14), for placing kettle and/or main battery.
9. according to the vehicle frame of claim 1-6 any one of them bicycles, which is characterized in that the bicycle is electrical salf-walking
The bottom of Che Shi, the first crossbeam (1) are additionally provided with reserve battery mounting bracket (15).
10. according to the vehicle frame of claim 1-6 any one of them bicycles, which is characterized in that the second cross beam (3) also sets
There is heel brace fixing bracket (16), is used to support the bicycle.
11. a kind of bicycle, which is characterized in that including headstock (20) and such as claim 1-10 any one of them vehicle frames
(10)。
12. bicycle according to claim 11, which is characterized in that the headstock (20) includes two the second rod pieces, institute
Stating the second rod piece has bending, and forms superposed handlebar (21) and the connecting rod (22) positioned at lower part, two the second bars
Head tube holder (23) is connected between part, for being connect with the head tube (6) set on the vehicle frame (10).
13. bicycle according to claim 12, which is characterized in that between the first crossbeam (1) and the cant beam (2)
Bending place be equipped with straightway (7), the parallel front side for being fixedly arranged on the straightway (7) of the head tube (6).
14. bicycle according to claim 12, which is characterized in that be also associated with vehicle between two connecting rods (22)
Fixing bracket (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820345490.2U CN207985082U (en) | 2018-03-13 | 2018-03-13 | A kind of bicycle and its vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820345490.2U CN207985082U (en) | 2018-03-13 | 2018-03-13 | A kind of bicycle and its vehicle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207985082U true CN207985082U (en) | 2018-10-19 |
Family
ID=63826876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820345490.2U Active CN207985082U (en) | 2018-03-13 | 2018-03-13 | A kind of bicycle and its vehicle frame |
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| Country | Link |
|---|---|
| CN (1) | CN207985082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000894A1 (en) * | 2020-06-30 | 2022-01-06 | 江苏爱特福股份有限公司 | Electric bicycle |
-
2018
- 2018-03-13 CN CN201820345490.2U patent/CN207985082U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000894A1 (en) * | 2020-06-30 | 2022-01-06 | 江苏爱特福股份有限公司 | Electric bicycle |
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