A folding device for electric scooters

By incorporating a combination design of positioning sleeve, folding sleeve, straight tube connector, eccentric shaft and button assembly into the scooter folding mechanism, the problem of hook loosening and falling off is solved, achieving a stable connection and easy operation.

CN224448034UActive Publication Date: 2026-07-03DONGTAI YUEXING TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGTAI YUEXING TECHNOLOGY CO LTD
Filing Date
2025-08-27
Publication Date
2026-07-03

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Abstract

This application belongs to the field of folding device technology, and particularly relates to an electric scooter folding device, including a positioning sleeve, a folding sleeve, and a straight tube connector. The straight tube connector is fixedly installed on the right side of the positioning sleeve, and a movable head is fixedly installed on the lower end of the positioning sleeve. The folding sleeve is rotatably mounted on the movable head via a directional rotating shaft. An upper connecting sheet metal is movably mounted on the upper protrusion of the folding sleeve, and an eccentric shaft is movably mounted inside the upper connecting sheet metal, i.e., the eccentric shaft is movably mounted on the upper protrusion of the folding sleeve. In this utility model, by moving the L-shaped button to the right and then rotating the handle buckle, the handle buckle will drive the eccentric shaft to rotate, and then the irregular disc on it will rotate a certain angle. The irregular disc pushes the docking hook, causing it to move, and then the locking hook will disengage from the docking hook. The folding sleeve can then rotate and fold away from the positioning sleeve. The torsion spring ensures quick recovery. The whole system adopts double protection, ensuring safety and ease of operation.
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Description

Technical Field

[0001] This utility model relates to a folding device, specifically to a folding device for electric scooters. Background Technology

[0002] Scooters are a new type of portable single-person transportation tool that is energy-saving, environmentally friendly, convenient, and safe to use. Due to their numerous advantages, scooters are becoming increasingly popular. For the folding mechanism, a key structural element of scooters, a robust design is essential, along with a simple appearance and ease of operation.

[0003] Existing folding devices, such as the folding device and foldable personal transportation tool disclosed in Chinese utility model patent with authorization announcement number CN214776347U, have a hook with at least one through hole. The hook is set at the upper end cover by at least one first hook screw. However, this type of hook is located at the overlapping part of the upper end cover and the stand tube. The mounting holes of the two upper end cover and the stand tube must be aligned to lock the hook with the hook screw. Moreover, this type of hook is not secure after installation. During frequent use, the hook is prone to loosening and falling off, which poses a safety hazard for normal use in the future.

[0004] Therefore, this application designs an electric scooter folding device. Utility Model Content

[0005] The main objective of this disclosure is to provide an electric scooter folding device to effectively solve the problems raised by the inventors in the aforementioned background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An electric scooter folding device includes a positioning sleeve, a folding sleeve, and a straight tube connector. The straight tube connector is fixedly installed on the right side of the positioning sleeve, and a movable head is fixedly installed on the lower end of the positioning sleeve. The folding sleeve is rotatably mounted on the movable head via a directional pivot. An upper connecting sheet metal is movably mounted on the upper protrusion of the folding sleeve, and an eccentric shaft is movably mounted inside the upper connecting sheet metal. The eccentric shaft is movably mounted on the upper protrusion of the folding sleeve. A handle buckle is fixedly installed on the outer end of the eccentric shaft, and a button assembly is provided on the handle buckle. A secondary locking assembly that cooperates with the button assembly is provided on the straight tube connector. A locking hook is fixedly installed on the upper end of the positioning sleeve, and a docking hook is fixedly installed on the right side of the upper connecting sheet metal. The docking hook extends into the handle buckle and engages with the locking hook.

[0008] Preferably, a torsion spring is sleeved on the eccentric shaft, with one end of the torsion spring abutting against the handle buckle and the other end abutting against the folding sleeve.

[0009] Preferably, a shaped disc is fixedly mounted on the surface of the eccentric shaft, and the width of one side of the shaped disc is greater than the width of the other side of itself. The shaped disc moves inside the upper connecting sheet metal.

[0010] Preferably, the handle buckle has a movable opening, and the button assembly includes a movable vertical block, an L-shaped button, a locking cone, and a spiral stop. The movable vertical block is slidably installed in the movable opening. The top of the movable vertical block is fixedly connected to the L-shaped button, and the bottom of the movable vertical block is threadedly connected to the locking cone. A return spring is fixedly connected to the right side of the movable vertical block. The spiral stop is fastened to the handle buckle, and the other end of the return spring is fixedly connected to the spiral stop.

[0011] Preferably, the secondary lock assembly includes a support column and a secondary lock block. The upper end of the straight pipe connector is provided with a threaded opening, and the support column is installed in the threaded opening. The top end of the support column is fixedly connected to the secondary lock block, and the secondary lock block is blocked on the upper left side of the locking cone.

[0012] Preferably, a lower end connecting sheet metal is fixedly installed on the right side of the bottom of the folding sleeve, and the lower end connecting sheet metal is movably installed on the directional rotating shaft.

[0013] Preferably, the right side of the positioning sleeve is attached to the left side of the folding sleeve.

[0014] Preferably, the straight tube connector has grooves arranged in a ring array, and the straight tube connector is used to connect to the handlebar of the electric scooter.

[0015] In view of this, compared with the prior art, the beneficial effects of this utility model are:

[0016] In this application, when unlocking, the L-shaped button is moved to the right, causing the movable vertical block to move the locking cone to the right. This compresses the return spring, moving the locking cone away from the secondary locking block, thus releasing the handle from its upward swing restriction. Then, the handle is rotated, causing the eccentric shaft to rotate. This causes the shaped disc on the handle to rotate at a certain angle, pushing the docking hook and causing it to move. This disengages the locking hook from the docking hook, allowing the folding sleeve to rotate and separate from the positioning sleeve. The torsion spring ensures rapid recovery. The entire system employs double protection, ensuring safety and ease of operation. Attached Figure Description

[0017] Figure 1 The figure shown is a three-dimensional view of the electric scooter folding device provided by this utility model;

[0018] Figure 2 The diagram shown is a structural schematic of the electric scooter folding device provided by this utility model from another perspective.

[0019] Figure 3 The image shown is a bottom view of a partial structure on the handle buckle;

[0020] Figure 4 The image shown is a side view of the structure of the electric scooter folding device provided by this utility model;

[0021] Figure 5 The diagram shown is a structural schematic after the handle buckle has been removed.

[0022] Figure 6 The image shown is a 3D view of the button assembly on the handle.

[0023] Figure 7 The image shown is a three-dimensional view of the docking lock hook structure;

[0024] Figure 8 The image shown is a three-dimensional view of the eccentric shaft.

[0025] icon:

[0026] 1-Positioning sleeve; 101-Locking hook; 2-Folding sleeve; 201-Lower end connecting sheet metal; 202-Upper end connecting sheet metal; 3-Straight pipe connector; 301-Threaded port; 302-Support column; 303-Secondary locking block; 4-Moving head; 5-Directional rotating shaft; 6-Eccentric shaft; 601-Docking hook; 602-Irregular disc; 603-Torsion spring; 7-Handle buckle; 701-Moving vertical block; 702-L-shaped button; 703-Locking cone; 704-Spiral stop; 705-Reset spring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-8 The present invention provides the following embodiments:

[0029] An electric scooter folding device includes a positioning sleeve 1, a folding sleeve 2, and a straight tube connector 3. The straight tube connector 3 is fixedly installed on the right side of the positioning sleeve, and a movable head 4 is fixedly installed on the lower end of the positioning sleeve 1. The folding sleeve 2 is rotatably installed on the movable head 4 via a directional rotating shaft 5. An upper end connecting sheet metal 202 is movably installed on the upper end protrusion of the folding sleeve 2, and an eccentric shaft 6 is movably installed inside the upper end connecting sheet metal 202. That is, the eccentric shaft 6 is movably installed on the upper end protrusion of the folding sleeve 2. A handle buckle 7 is fixedly installed on the outer end of the eccentric shaft 6, and a button assembly is provided on the handle buckle 7. A secondary locking assembly that cooperates with the button assembly is provided on the straight tube connector 3. A locking hook 101 is fixedly installed on the upper end of the positioning sleeve 1, and a docking hook 601 is fixedly installed on the right side of the upper end connecting sheet metal 202. The docking hook 601 extends into the handle buckle 7 and is engaged with the locking hook 101.

[0030] Specifically, a torsion spring 603 is sleeved on the eccentric shaft 6. One end of the torsion spring 603 abuts against the handle buckle 7, and the other end abuts against the folding sleeve 2. A special-shaped disc 602 is fixedly installed on the surface of the eccentric shaft 6, and the width of one side of the special-shaped disc 602 is greater than the width of the other side. The special-shaped disc 602 moves inside the upper connecting sheet metal 202.

[0031] Specifically, the handle buckle 7 has a movable opening. The button assembly includes a movable vertical block 701, an L-shaped button 702, a locking cone 703, and a spiral stop 704. The movable vertical block 701 is slidably installed in the movable opening. The top of the movable vertical block 701 is fixedly connected to the L-shaped button 702, and the bottom of the movable vertical block 701 is threadedly connected to the locking cone 703. The right side of the movable vertical block 701 is fixedly connected to a return spring 705. The spiral stop 704 is fastened to the handle buckle 7, and the other end of the return spring 705 is fixedly connected to the spiral stop 704. The secondary lock assembly includes a support column 302 and a secondary lock block 303. The upper end of the straight pipe connector 3 has a threaded opening 301, and the support column 302 is threadedly installed in the threaded opening 301. The top of the support column 302 is fixedly connected to the secondary lock block 303, and the secondary lock block 303 blocks the upper left side of the locking cone 703.

[0032] Specifically, a lower end connecting sheet metal 201 is fixedly installed on the right side of the bottom of the folding sleeve 2, and the lower end connecting sheet metal 201 is movably installed on the directional rotating shaft 5, with the right side of the positioning sleeve 1 attached to the left side of the folding sleeve 2.

[0033] Specifically, the straight tube connector 3 has grooves arranged in a ring array, and the straight tube connector 3 is used to connect the handlebar of the electric scooter.

[0034] The specific implementation method of this embodiment is as follows: Figure 1As shown, this state is the locked state of the electric scooter folding device, that is, the button assembly and the secondary lock assembly cooperate to achieve the second layer of protection, and the locking hook 101 cooperates with the docking hook 601 to achieve the first layer of protection. When unlocking, push the L-shaped button 702 to the right, so that the movable vertical block 701 drives the locking cone 703 to move to the right. Then the return spring 705 is compressed, so that the locking cone 703 moves away from the secondary lock block 303. Then the handle buckle 7 is released from the restriction of upward swing. Then rotate the handle buckle 7, so that the handle buckle 7 drives the eccentric shaft 6 to rotate. Then the irregular plate 602 on it rotates a certain angle. The irregular plate 602 pushes the docking hook 601, causing it to move. Then the locking hook 101 disengages from the docking hook 601, and the folding sleeve can be rotated and folded to separate from the positioning sleeve 1. The torsion spring 603 can ensure quick restoration. The whole system adopts double protection, which is safe, reliable and easy to operate.

[0035] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An electric scooter folder, characterized by: The system includes a positioning sleeve (1), a folding sleeve (2), and a straight pipe connector (3). The straight pipe connector (3) is fixedly installed on the right side of the positioning sleeve, and a movable head (4) is fixedly installed at the lower end of the positioning sleeve (1). The folding sleeve (2) is rotatably installed on the movable head (4) via a directional rotating shaft (5). An upper connecting sheet metal (202) is movably installed on the upper end of the folding sleeve (2), and an eccentric shaft (6) is movably installed inside the upper connecting sheet metal (202). The movable part is mounted on the upper protrusion of the folding sleeve (2). The outer end of the eccentric shaft (6) is fixedly mounted with a handle buckle (7), and the handle buckle (7) is provided with a button assembly. The straight tube connector (3) is provided with a secondary locking assembly that cooperates with the button assembly. The upper end of the positioning sleeve (1) is fixedly mounted with a locking hook (101). The right side of the upper end connecting sheet metal (202) is fixedly mounted with a docking hook (601). The docking hook (601) extends into the handle buckle (7) and is engaged with the locking hook (101).

2. The electric kick scooter folder of claim 1, wherein: A torsion spring (603) is sleeved on the eccentric shaft (6). One end of the torsion spring (603) abuts against the handle buckle (7), and the other end abuts against the folding sleeve (2).

3. The electric kick scooter folder of claim 2, wherein: The eccentric shaft (6) has a shaped disk (602) fixedly mounted on its surface, and the width of one side of the shaped disk (602) is greater than the width of the other side. The shaped disk (602) moves inside the upper connecting sheet metal (202).

4. The electric kick scooter folder of claim 3, wherein: The handle (7) has an opening for movement. The button assembly includes a movable vertical block (701), an L-shaped button (702), a locking cone (703), and a spiral stop (704). The movable vertical block (701) is slidably installed in the opening. The top of the movable vertical block (701) is fixedly connected to the L-shaped button (702), and the bottom of the movable vertical block (701) is threadedly connected to the locking cone (703). The right side of the movable vertical block (701) is fixedly connected to a return spring (705). The spiral stop (704) is fastened to the handle (7), and the other end of the return spring (705) is fixedly connected to the spiral stop (704).

5. The electric kick scooter folder of claim 4, wherein: The secondary lock assembly includes a support column (302) and a secondary lock block (303). The upper end of the straight pipe connector (3) is provided with a threaded opening (301), and the support column (302) is installed in the threaded opening (301). The top end of the support column (302) is fixedly connected to the secondary lock block (303), and the secondary lock block (303) blocks the upper left side of the locking cone (703).

6. The electric kick scooter folder of claim 1, wherein: The lower end connecting sheet metal (201) is fixedly installed on the right side of the bottom of the folding sleeve (2), and the lower end connecting sheet metal (201) is movably installed on the directional rotating shaft (5).

7. The electric kick scooter folder of claim 1, wherein: The right side of the positioning sleeve (1) is attached to the left side of the folding sleeve (2).

8. The electric kick scooter folder of claim 1, wherein: The straight tube connector (3) has grooves arranged in a ring array, and the straight tube connector (3) is used to connect the handlebar of the electric scooter.