CN213384574U - Longitudinal folding structure of folding bicycle frame - Google Patents
Longitudinal folding structure of folding bicycle frame Download PDFInfo
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- CN213384574U CN213384574U CN202021536545.1U CN202021536545U CN213384574U CN 213384574 U CN213384574 U CN 213384574U CN 202021536545 U CN202021536545 U CN 202021536545U CN 213384574 U CN213384574 U CN 213384574U
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- fork
- pipe
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Abstract
The utility model discloses a longitudinal folding structure of a folding frame, which comprises a frame main body pipe, a seat pipe, a frame rear fork, a detachable connection structure and a rear fork hinge structure, wherein the frame main body pipe is arranged at the top of the front end of the seat pipe, the frame main body pipe and the seat pipe enclose a containing space, the frame rear fork comprises a rear upper fork and a rear lower fork, the detachable connection structure is arranged between the top of the rear end of the seat pipe and the top of the rear upper fork, and the connection between the seat pipe and the rear upper fork is established or detached through the detachable connection structure; the rear fork hinge structure is arranged at the bottom of the seat tube and is connected with the top of the rear lower fork in a hinge mode. Vertical beta structure can realize vertical folding, make folding mode more diversified, enlarge consumer's optional scope.
Description
Technical Field
The utility model belongs to the technical field of the frame technique and specifically relates to a vertical beta structure of folding frame is related to.
Background
Bicycles have become indispensable transportation means in daily life, and generally, bicycles comprise a frame, wheels, pedals, handlebars and a saddle, wherein the frame is a framework of the whole bicycle and is a basic structure of the bicycle, and other components are directly or indirectly mounted on the frame. The structure and performance of the frame are important factors in determining the quality of the bicycle. But current bicycle folding chassis, though can realize folding, horizontal fifty percent discount mostly is folded through setting up the frame scray on frame main part pipe, and folding mode is comparatively single, does not possess the structural design that can realize vertical folding, can't satisfy consumer's selection demand. Therefore, it is necessary to provide a longitudinal folding structure of a foldable frame, so that the folding manner is diversified, and the selection range of consumers is expanded.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical beta structure of folding frame.
In order to achieve the above object, the utility model provides a following technical scheme:
a longitudinal folding structure of a folding frame comprises a frame main body pipe, a seat pipe, a frame rear fork, a detachable connection structure and a rear fork hinge structure, wherein the frame main body pipe is installed at the top of the front end of the seat pipe, the frame main body pipe and the seat pipe enclose a containing space, the frame rear fork comprises a rear upper fork and a rear lower fork, the detachable connection structure is arranged between the top of the rear end of the seat pipe and the top of the rear upper fork, and the connection between the seat pipe and the rear upper fork is established or detached through the detachable connection structure; the rear fork hinge structure is arranged at the bottom of the seat tube and is connected with the top of the rear lower fork in a hinge mode.
As a further technical solution of the utility model: the rear fork hinge structure comprises a connecting base piece and a hinge shaft, the connecting base piece is connected with the bottom of the seat tube, an installation shaft sleeve is arranged at the rear end of the connecting base piece, the hinge shaft is installed in the installation shaft sleeve, the top of the rear lower fork is hinged to the installation shaft sleeve through the hinge shaft so as to enable the detachable connection structure to remove the connection between the seat tube and the rear upper fork, the frame rear fork drives the rear wheel, the hinge point of the rear lower fork and the installation shaft sleeve is folded forwards longitudinally, and the rear wheel is contained in the containing space.
As a further technical solution of the utility model: the detachable connecting structure comprises a connecting seat and a damping connecting assembly, one end of the connecting seat is mounted on the top of the rear end of the seat tube, the other end of the connecting seat is arranged towards the top of the rear upper fork, and a first magnet is arranged in the connecting seat; the damping connection assembly is installed on the top of the rear upper fork and comprises a rubber damping piece and a second magnet, the bottom of the rubber damping piece is connected with the top of the rear upper fork, the second magnet is installed on the top of the rubber damping piece and is connected with the second magnet in a corresponding magnetic mode through the first magnet, and the seat tube is connected with the rear upper fork.
As a further technical solution of the utility model: the top of back lower fork is equipped with two articulated pullovers relatively, and two articulated pullovers set up to the both ends of installation axle sleeve relatively on, two articulated pullovers are connected relatively at the both ends of articulated shaft.
As a further technical solution of the utility model: the connecting base piece is provided with an installation opening for the bottom of the seat tube to penetrate through the installation opening, and the seat tube is connected with the connecting base piece in a welding mode along the edge of the installation opening.
As a further technical solution of the utility model: the front end of the connecting base piece is provided with a five-way valve.
As a further technical solution of the utility model: and a frame lower pipe is arranged between the five-way pipe and the frame main body pipe, the frame lower pipe is positioned in the accommodating space, and two ends of the frame lower pipe are oppositely connected with the five-way pipe and the frame main body pipe.
As a further technical solution of the utility model: the frame lower pipe is arc-shaped.
As a further technical solution of the utility model: and a reinforcing rod is arranged between the top of the rear upper fork and the top of the rear lower fork, and two ends of the reinforcing rod are relatively connected with the top of the rear upper fork and the top of the rear lower fork.
As a further technical solution of the utility model: the reinforcing rods are two in number and are arranged oppositely.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a vertical beta structure of folding frame can drive the rear wheel through the frame back vent, around the pin joint of back lower fork and installation axle sleeve vertically folding forward, with the rear wheel holding in accommodation space to realize vertically folding, make folding mode more diversified, enlarge consumer's optional scope.
Drawings
Fig. 1 is an unfolded state view of the longitudinal folding structure of the folding chassis.
Fig. 2 is a folded state view of the longitudinal folding structure of the folding chassis.
FIG. 3 is a schematic view of a releasable connection.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is only for purposes of illustration and explanation, and is not intended to limit the scope of the present disclosure.
Referring to fig. 1 and 2, a longitudinal folding structure of a folding frame includes a frame main body tube 10, a seat tube 20, a frame rear fork 30, a rear wheel 40, a detachable connection structure 50 and a rear fork hinge structure 60, wherein the frame main body tube 10 is mounted on a top portion of a front end of the seat tube 20, the frame main body tube 10 and the seat tube 20 enclose a receiving space 101, the rear wheel 40 is mounted on the frame rear fork 30, the frame rear fork 30 includes a rear upper fork 31 and a rear lower fork 32, the detachable connection structure 50 is disposed between a top portion of a rear end of the seat tube 20 and a top portion of the rear upper fork 31, and a connection between the seat tube 20 and the rear upper fork 31 is established or removed through the detachable connection structure 50; the rear fork hinge structure 60 is disposed at the bottom of the seat tube 20, and includes a connecting base member 61 and a hinge shaft (not shown), the connecting base member 61 is connected to the bottom of the seat tube 20, a mounting sleeve 611 is disposed at the rear end of the connecting base member 61, the hinge shaft is mounted in the mounting sleeve 611, the top of the rear lower fork 32 is hinged to the mounting sleeve 611 through the hinge shaft, so that the detachable connecting structure 50 can detach the connection between the seat tube 20 and the rear upper fork 31, the frame rear fork 30 drives the rear wheel 40 to fold forward and longitudinally around the hinge point of the rear lower fork 32 and the mounting sleeve 611, and the rear wheel 40 is accommodated in the accommodating space 101.
Further, referring to fig. 3, the detachable connection structure 50 includes a connection seat 51 and a shock-absorbing connection assembly 52, wherein one end of the connection seat 51 is mounted on the top of the rear end of the seat tube 20, and the other end of the connection seat 51 is disposed toward the top of the rear upper fork 31 and is provided with a first magnet 511 therein; the shock absorption connecting assembly 52 is mounted on the top of the rear upper fork 31 and comprises a rubber shock absorption member 521 and a second magnet 522, the bottom of the rubber shock absorption member 521 is connected with the top of the rear upper fork 31, the second magnet 522 is mounted on the top of the rubber shock absorption member 521, and the first magnet 511 and the second magnet 522 are correspondingly magnetically connected, so that the seat tube 20 and the rear upper fork 31 are connected, and the connection between the seat tube 20 and the rear upper fork 31 is also convenient to detach.
Further, two hinge sleeve heads 321 are oppositely arranged at the top of the rear lower fork 32, the two hinge sleeve heads 321 are oppositely arranged on two ends of the mounting shaft sleeve 611, and two ends of the hinge shaft are oppositely connected with the two hinge sleeve heads 321, so that the top of the rear lower fork 32 is hinged with the mounting shaft sleeve 611.
Furthermore, the connecting base piece 61 and the upper portion thereof are provided with an installation opening for the bottom of the seat tube 20 to pass through the installation opening, and the seat tube 20 and the connecting base piece 61 are welded and connected along the edge of the installation opening.
Furthermore, a five-way 612 is arranged at the front end of the connecting base piece 61, and a central shaft and a pedal are installed through the five-way 612.
Further, a frame lower tube 70 is disposed between the five-way 612 and the frame main tube 10, the frame lower tube 70 is located in the accommodating space 101, and two ends of the frame lower tube 70 are connected to the five-way 612 and the frame main tube 10, so as to support the frame main tube 10.
Further, the down tube 70 has an arc shape, preventing the down tube 70 from obstructing the rear wheel 40 from being accommodated in the accommodating space 101.
Furthermore, a reinforcing rod 33 is arranged between the top of the rear upper fork 31 and the top of the rear lower fork 32, and two ends of the reinforcing rod 33 are oppositely connected with the top of the rear upper fork 31 and the top of the rear lower fork 32, so as to reinforce the frame rear fork 30.
Further, the reinforcing rods 33 are two in total, and the two reinforcing rods 33 are arranged oppositely.
The auxiliary towing wheel structure 80 for the foldable frame is mounted at the top of the rear upper fork 31, the auxiliary towing wheel structure 80 comprises a mounting base rod 81 and two auxiliary towing wheels 82, the mounting base rod 81 is transversely mounted at the top of the rear upper fork 31, the two auxiliary towing wheels 82 are in total, the two auxiliary towing wheels 82 are rotatably and oppositely arranged at two ends of the mounting base rod 81 so that the frame rear fork 30 can drive the rear wheel 40, the rear wheel 40 is longitudinally folded forwards around a hinged point of the rear lower fork 32 and the mounting shaft sleeve 611, the rear wheel 40 is accommodated in the accommodating space 101, the bottommost parts of the rear wheel 40 and the auxiliary towing wheels 82 are correspondingly positioned on the same plane so that when the foldable frame is towed, the auxiliary towing wheels 82 and the rear wheel 40 are in contact with the ground, and the foldable frame can be towed more conveniently by matching the auxiliary towing wheels 82 with the rear wheel 40.
Further, the bottom of the rubber bumper 521 is connected to the middle of the mounting base 81.
A use method of a longitudinal folding structure of a folding bicycle frame comprises the following steps: when the longitudinal folding is not needed, the first magnet 511 and the second magnet 522 are correspondingly and magnetically connected, so that the seat tube 20 and the rear upper fork 31 are connected, and the frame rear fork 30 is prevented from moving around a hinged point of the rear lower fork 32 and the mounting shaft sleeve 611; when the seat tube 20 and the rear upper fork 31 are required to be folded longitudinally, the frame rear fork 30 drives the rear wheel 40 to fold longitudinally forward around the hinge point of the rear lower fork 32 and the mounting sleeve 611, and the rear wheel 40 is accommodated in the accommodating space 101 to realize folding.
To sum up, the utility model relates to a vertical beta structure of folding frame can drive rear wheel 40 through frame back vent 30, around the pin joint of back lower fork 32 and installation axle sleeve 611 vertically folding forward, with rear wheel 40 holding in accommodation space 101 to realize vertically folding, make folding mode more diversified, enlarge consumer's optional scope.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (10)
1. The utility model provides a vertical beta structure of folding chassis, includes frame main part pipe (10), seat pipe (20), frame back vent (30), releasable connection structure (50) and back vent hinge structure (60), its characterized in that: the frame main body pipe (10) is mounted at the top of the front end of the seat pipe (20), an accommodating space (101) is enclosed by the frame main body pipe (10) and the seat pipe (20), the frame rear fork (30) comprises a rear upper fork (31) and a rear lower fork (32), the detachable connection structure (50) is arranged between the top of the rear end of the seat pipe (20) and the top of the rear upper fork (31), and the connection between the seat pipe (20) and the rear upper fork (31) is established or detached through the detachable connection structure (50); the rear fork hinge structure (60) is arranged at the bottom of the seat tube (20), and the rear fork hinge structure (60) is connected with the top of the rear lower fork (32) in a hinge mode.
2. The longitudinal folding structure of claim 1, wherein: the rear fork hinge structure (60) comprises a connecting base piece (61) and a hinge shaft, the connecting base piece (61) is connected with the bottom of the seat tube (20), the rear end of the connecting base piece (61) is provided with an installation shaft sleeve (611), the hinge shaft is installed in the installation shaft sleeve (611), the top of the rear lower fork (32) is hinged to the installation shaft sleeve (611) through the hinge shaft, so that the connection between the seat tube (20) and the rear upper fork (31) can be detached through the detachable connection structure (50), the frame rear fork (30) drives the rear wheel (40), the hinge point of the rear lower fork (32) and the installation shaft sleeve (611) is folded forwards longitudinally, and the rear wheel (40) is accommodated in the accommodating space (101).
3. The longitudinal folding structure of claim 1, wherein: the detachable connecting structure (50) comprises a connecting seat (51) and a damping connecting assembly (52), one end of the connecting seat (51) is installed on the top of the rear end of the seat tube (20), the other end of the connecting seat (51) is arranged towards the top of the rear upper fork (31), and a first magnet (511) is arranged in the connecting seat; the shock absorption connecting assembly (52) is arranged on the top of the rear upper fork (31) and comprises a rubber shock absorption piece (521) and a second magnet (522), the bottom of the rubber shock absorption piece (521) is connected with the top of the rear upper fork (31), the second magnet (522) is arranged on the top of the rubber shock absorption piece (521), and the seat tube (20) is connected with the rear upper fork (31) through the corresponding magnetic connection of the first magnet (511) and the second magnet (522).
4. The longitudinal folding structure of claim 2, characterized in that: the top of back lower fork (32) is equipped with two articulated pullover (321) relatively, and two articulated pullover (321) set up to the both ends of installation axle sleeve (611) relatively on, and two articulated pullover (321) are connected relatively to the both ends of articulated shaft.
5. The longitudinal folding structure of claim 2, characterized in that: the connecting base piece (61) is provided with an installation opening for the bottom of the seat tube (20) to penetrate through the installation opening, and the seat tube (20) is connected with the connecting base piece (61) in a welding mode along the edge of the installation opening.
6. The longitudinal folding structure of claim 2, characterized in that: the front end of the connecting base piece (61) is provided with a five-way (612).
7. The longitudinal folding structure of claim 6, wherein: a frame lower pipe (70) is arranged between the five-way pipe (612) and the frame main body pipe (10), the frame lower pipe (70) is located in the accommodating space (101), and two ends of the frame lower pipe (70) are oppositely connected with the five-way pipe (612) and the frame main body pipe (10).
8. The longitudinal folding structure of claim 7, wherein: the frame lower tube (70) is arc-shaped.
9. The longitudinal folding structure of claim 1, wherein: and a reinforcing rod (33) is arranged between the top of the rear upper fork (31) and the top of the rear lower fork (32), and two ends of the reinforcing rod (33) are relatively connected with the top of the rear upper fork (31) and the top of the rear lower fork (32).
10. The longitudinal folding structure of claim 9, wherein: the number of the reinforcing rods (33) is two, and the two reinforcing rods (33) are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536545.1U CN213384574U (en) | 2020-07-29 | 2020-07-29 | Longitudinal folding structure of folding bicycle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536545.1U CN213384574U (en) | 2020-07-29 | 2020-07-29 | Longitudinal folding structure of folding bicycle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213384574U true CN213384574U (en) | 2021-06-08 |
Family
ID=76202417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021536545.1U Active CN213384574U (en) | 2020-07-29 | 2020-07-29 | Longitudinal folding structure of folding bicycle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213384574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102478824B1 (en) * | 2021-11-30 | 2022-12-19 | 주식회사 복용 | Folding type electric kickboard using linear actuator |
-
2020
- 2020-07-29 CN CN202021536545.1U patent/CN213384574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102478824B1 (en) * | 2021-11-30 | 2022-12-19 | 주식회사 복용 | Folding type electric kickboard using linear actuator |
| WO2023101066A1 (en) * | 2021-11-30 | 2023-06-08 | 주식회사 복용 | Foldable electric scooter using linear actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220216 Address after: 528244 No.1, henger Road, nanshai Road, Xiaxi Industrial Zone, Fengyong, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee after: METAL ALUMINIUM TECHNOLOGY Co.,Ltd. Address before: 528225 No.1, henger Road, nanshai Road, Xiaxi Industrial Zone, Fengyong, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee before: METAL ALUMINIUM TECHNOLOGY Co.,Ltd. Patentee before: Foshan Jianuo medical equipment Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230804 Address after: 529799 No. 723-3, Shihu Road, Yayao Town, Heshan City, Jiangmen City, Guangdong Province Patentee after: Heshan Mingdi bicycle Technology Co.,Ltd. Address before: 528244 No.1, henger Road, nanshai Road, Xiaxi Industrial Zone, Fengyong, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee before: METAL ALUMINIUM TECHNOLOGY Co.,Ltd. |