CN219927884U - Foldable bicycle frame - Google Patents
Foldable bicycle frame Download PDFInfo
- Publication number
- CN219927884U CN219927884U CN202320106546.XU CN202320106546U CN219927884U CN 219927884 U CN219927884 U CN 219927884U CN 202320106546 U CN202320106546 U CN 202320106546U CN 219927884 U CN219927884 U CN 219927884U
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- China
- Prior art keywords
- sliding
- wall
- sliding block
- rod
- sliding seat
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model discloses a foldable bicycle frame, which comprises a frame main body, wherein the frame main body comprises: sliding seat one: a second sliding rod is fixed between the top and the bottom of the sliding rod through a pin, and the outer wall of the circumference of the second sliding rod is movably connected with a first sliding block and a second sliding block; sliding seat II: a first sliding rod is fixed between the top and the bottom of the sliding rod through a pin, and a fourth sliding block and a third sliding block are movably connected to the outer wall of the circumference of the first sliding rod; connecting rod one: the two ends of the sliding block are respectively and movably connected with the first inner wall and the third inner wall of the sliding block. The first connecting rod and the second connecting rod are arranged, so that after the first connecting rod and the second connecting rod are rotated relatively, the first sliding seat and the second sliding seat can be folded, the occupied space of the whole frame can be reduced, the first steel pipe and the second steel pipe can be fixed through the locking nut and the locking bolt, and the stability of the first sliding seat and the second sliding seat after folding and unfolding is ensured.
Description
Technical Field
The utility model relates to the technical field of frames, in particular to a foldable bicycle frame.
Background
In the prior art, a bicycle is a vehicle driven by manpower, takes pedal as power, is a green and environment-friendly vehicle, and is popular in the market at present;
for a household bicycle, the use environment is mainly in a city, so that the portability of the household bicycle is not needed to be considered excessively, but when the household bicycle is needed to be used in a field environment, the portability and the foldability of the bicycle are needed to be considered, namely, when the household bicycle is transported, the main body frame of the household bicycle can be folded, and when the household bicycle is needed to be used, the main body frame can be unfolded, so that the household bicycle is convenient to use, and the household bicycle can be suitable for the field environment;
therefore, the utility model provides the bicycle frame which has a folding function, so that the occupied space of the bicycle frame can be reduced when needed, and the portability of the bicycle frame can be improved.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a foldable bicycle frame.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a foldable bicycle frame comprising a frame body, the frame body comprising:
sliding seat one: a second sliding rod is fixed between the top and the bottom of the sliding rod through a pin, and the outer wall of the circumference of the second sliding rod is movably connected with a first sliding block and a second sliding block;
sliding seat II: a first sliding rod is fixed between the top and the bottom of the sliding rod through a pin, and a fourth sliding block and a third sliding block are movably connected to the outer wall of the circumference of the first sliding rod;
connecting rod one: two ends of the sliding block are respectively and movably connected with the first inner wall and the third inner wall of the sliding block;
connecting rod II: the two ends of the first connecting rod are respectively and movably connected with the second inner wall of the sliding block and the fourth inner wall of the sliding block, and the first connecting rod is connected with the second connecting rod through a rotating shaft.
As still further aspects of the utility model: the sliding seat is characterized in that a steel pipe I is welded on one side outer wall of the sliding seat, and a positioning hole I and a positioning hole III are respectively penetrated in the steel pipe I.
As still further aspects of the utility model: and a second steel pipe is welded on the outer wall of one side of the second sliding seat, and a second positioning hole penetrates through the inside of the second steel pipe.
As still further aspects of the utility model: and the first steel pipe and the second steel pipe are fixed by using a locking nut and a locking bolt.
As still further aspects of the utility model: the two circumference outer walls of steel pipe welding has the bracing piece, the bracing piece top is fixed with the cushion through the bolt.
As still further aspects of the utility model: the through hole movably connected with the steering column is formed in the first sliding seat, the handle is welded at the top of the steering column, and the second mounting frame is welded at the bottom of the steering column.
As still further aspects of the utility model: the second bottom outer wall of the sliding seat is welded with a mounting column, and the first mounting frame is welded on the bottom outer wall of the mounting column.
As still further aspects of the utility model: the outer wall of the sliding seat is fixedly provided with a storage basket.
Compared with the prior art, the utility model provides a foldable bicycle frame, which has the following beneficial effects:
1. the first connecting rod and the second connecting rod are arranged, so that after the first connecting rod and the second connecting rod are rotated relatively, the first sliding seat and the second sliding seat can be folded, and the occupied space of the whole frame can be reduced.
2. The locking nut and the locking bolt are arranged to fix the first steel pipe and the second steel pipe, so that stability of the first sliding seat and the second sliding seat after folding and unfolding is guaranteed.
3. The article can be placed by utilizing the article placing basket, so that the article carrying capacity of the frame can be improved.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of the overall structure of a foldable bicycle frame in accordance with the present utility model;
FIG. 2 is a schematic view of a first direction exploded view of a folding portion of a foldable bicycle frame according to the present utility model;
FIG. 3 is a schematic view of a second direction explosion structure of a folding portion of a foldable bicycle frame according to the present utility model;
FIG. 4 is a schematic view of a locking portion mounting structure of a foldable bicycle frame according to the present utility model.
In the figure: 1-sliding seat I, 2-handle, 3-steering column, 4-sliding seat II, 5-installation column, 6-basket, 7-installation frame I, 8-installation frame II, 9-connecting rod I, 10-connecting rod II, 11-sliding rod I, 12-sliding block I, 13-sliding rod II, 14-sliding block II, 15-sliding block III, 16-sliding block IV, 17-lock nut, 18-locating hole I, 19-steel tube I, 20-locating hole II, 21-steel tube II, 22-supporting rod, 23-cushion, 24-locating hole III and 25-lock bolt.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
A foldable bicycle frame, as shown in fig. 1-4, for facilitating folding of the frame, comprising a frame body comprising:
sliding seat one 1: a second slide bar 13 is fixed between the top and the bottom of the sliding bar through a pin, and the outer wall of the circumference of the second slide bar 13 is connected with a first slide block 12 and a second slide block 14 in a sliding manner;
sliding seat two 4: a first slide bar 11 is fixed between the top and the bottom of the sliding bar through a pin, and the peripheral outer wall of the first slide bar 11 is connected with a fourth slide block 16 and a third slide block 15 in a sliding manner;
connecting rod one 9: the two ends of the first and third sliding blocks are respectively and rotatably connected with the inner wall of the first sliding block 12 and the inner wall of the third sliding block 15;
connecting rod two 10: the two ends of the first connecting rod are respectively and rotatably connected to the inner wall of the second sliding block 14 and the inner wall of the fourth sliding block 16, and the first connecting rod 9 and the second connecting rod 10 are connected through a rotating shaft;
the sliding seat I1 is used as a front frame of a bicycle, the sliding seat II 4 is used as a rear frame of the bicycle, the first connecting rod 9 and the second connecting rod 10 can be used for connecting the sliding seat I1 with the sliding seat II 4, when the sliding seat I1 and the sliding seat II 4 need to be folded, the first connecting rod 9 and the second connecting rod 10 can be rotated mutually, so that the sliding seat I1 and the sliding seat II 4 are gradually close to each other, folding storage among the sliding seat I1, the sliding seat II 4, the first connecting rod 9 and the second connecting rod 10 can be realized, the moving paths of the sliding block III 15 and the sliding block IV 16 can be guided by utilizing the first sliding rod 11, and the moving paths of the sliding block I12 and the sliding block II 14 can be guided by utilizing the second sliding rod 13.
A steel pipe I19 is welded on the outer wall of one side of the sliding seat I1, a positioning hole I18 and a positioning hole III 24 are respectively penetrated in the steel pipe I19, a steel pipe II 21 is welded on the outer wall of one side of the sliding seat II 4, a positioning hole II 20 is penetrated in the steel pipe II 21, and the steel pipe I19 and the steel pipe II 21 are fixed by a locking nut 17 and a locking bolt 25;
when the sliding seat I1 and the sliding seat II 4 are folded, the steel pipe II 21 can slide along the inside of the steel pipe I19, after the positioning hole II 20 and the positioning hole I18 are overlapped, the steel pipe I19 and the steel pipe II 21 can be fixed by using the locking nut 17 and the locking bolt 25, so that the stability of the sliding seat I1 and the sliding seat II 4 after folding is ensured, after the positioning hole II 20 and the positioning hole III 24 are overlapped, the fixing between the steel pipe I19 and the steel pipe II 21 can be realized again by using the locking nut 17 and the locking bolt 25, and the stability of the sliding seat I1 and the sliding seat II 4 after unfolding can be ensured.
A supporting rod 22 is welded on the circumferential outer wall of the second steel pipe 21, and a cushion 23 is fixed on the top of the supporting rod 22 through bolts;
by providing the seat cushion 23, it is convenient for a user to ride.
A through hole formed in the sliding seat I1 is rotationally connected with a steering column 3, a handle 2 is welded at the top of the steering column 3, and a mounting frame II 8 is welded at the bottom of the steering column 3;
the second mounting frame 8 is arranged to be used for mounting the front wheel of the bicycle, and the handle 2 is used for steering the bicycle.
The outer wall of the bottom of the second sliding seat 4 is welded with a mounting column 5, and the outer wall of the bottom of the mounting column 5 is welded with a first mounting frame 7;
the rear wheel of the bicycle can be mounted by being provided with a mounting bracket 7.
The outer wall of the second sliding seat 4 is fixedly provided with a basket 6 through bolts;
articles can be placed by the basket 6.
Working principle: when the frame main body needs to be folded, the lock nut 17 and the lock bolt 25 are firstly taken down from the position between the third positioning hole 24 and the second positioning hole 20, then the relative motion between the second steel pipe 21 and the first steel pipe 19 is controlled by hands, so that the second steel pipe 21 slides along the inner wall of the first steel pipe 19, meanwhile, the first connecting rod 9 and the second connecting rod 10 start to be folded, the distance between the first sliding seat 1 and the second sliding seat 4 is gradually reduced, and after the second positioning hole 20 moves to coincide with the first positioning hole 18, the second steel pipe 21 and the first steel pipe 19 are fixed again by the lock nut 17 and the lock bolt 25, so that the stability between the first sliding seat 1 and the second sliding seat 4 is ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. A foldable bicycle frame comprising a frame body, wherein the frame body comprises:
slide seat one (1): a second sliding rod (13) is fixed between the top and the bottom of the sliding rod through a pin, and the circumferential outer wall of the second sliding rod (13) is movably connected with a first sliding block (12) and a second sliding block (14);
sliding seat II (4): a first sliding rod (11) is fixed between the top and the bottom of the sliding rod through a pin, and a fourth sliding block (16) and a third sliding block (15) are movably connected to the circumferential outer wall of the first sliding rod (11);
connecting rod one (9): two ends of the first sliding block are respectively and movably connected with the inner wall of the first sliding block (12) and the inner wall of the third sliding block (15);
connecting rod II (10): the two ends of the first connecting rod are respectively and movably connected with the inner wall of the second sliding block (14) and the inner wall of the fourth sliding block (16), and the first connecting rod (9) is connected with the second connecting rod (10) through a rotating shaft.
2. A foldable bicycle frame according to claim 1, wherein a steel tube one (19) is welded to an outer wall of one side of the sliding seat one (1), and a positioning hole one (18) and a positioning hole three (24) are respectively formed in the steel tube one (19) in a penetrating manner.
3. The foldable bicycle frame according to claim 2, wherein a second steel tube (21) is welded on the outer wall of one side of the second sliding seat (4), and a second positioning hole (20) is formed in the second steel tube (21) in a penetrating manner.
4. A foldable bicycle frame according to claim 3, characterized in that the first steel tube (19) and the second steel tube (21) are fastened by means of a lock nut (17) and a lock bolt (25).
5. The foldable bicycle frame according to claim 4, wherein a supporting rod (22) is welded on the circumferential outer wall of the second steel tube (21), and a seat cushion (23) is fixed on the top of the supporting rod (22) through bolts.
6. The foldable bicycle frame according to claim 5, wherein a through hole formed in the first sliding seat (1) is movably connected with a steering column (3), a handle (2) is welded at the top of the steering column (3), and a second mounting frame (8) is welded at the bottom of the steering column (3).
7. The foldable bicycle frame according to claim 6, wherein the bottom outer wall of the second sliding seat (4) is welded with a mounting post (5), and the bottom outer wall of the mounting post (5) is welded with a first mounting frame (7).
8. A foldable bicycle frame according to claim 7, wherein the outer wall of the second sliding seat (4) is fixed with a basket (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320106546.XU CN219927884U (en) | 2023-02-03 | 2023-02-03 | Foldable bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320106546.XU CN219927884U (en) | 2023-02-03 | 2023-02-03 | Foldable bicycle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219927884U true CN219927884U (en) | 2023-10-31 |
Family
ID=88491344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320106546.XU Active CN219927884U (en) | 2023-02-03 | 2023-02-03 | Foldable bicycle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219927884U (en) |
-
2023
- 2023-02-03 CN CN202320106546.XU patent/CN219927884U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |