Locking mechanism of folding stand column of scooter
By designing a three-stage locking mechanism on the folding column of the scooter, the problem of insufficient locking firmness of the locking mechanism is solved, the structural stability between the fixed column and the folding column is improved, and the practicality of the device is enhanced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-03-24
AI Technical Summary
The locking mechanism of the existing folding column of the scooter is not secure enough, resulting in insufficient structural stability.
A three-stage locking mechanism is adopted, including the cooperation between the inner locking element and the latch groove, the first-stage locking mechanism, the cooperation between the ball and the torsion spring to form another-stage locking mechanism, and the cooperation between the bolt, the sliding locking element and the locking block of the folding column to form the final-stage locking mechanism, which improves structural stability.
The use of a three-stage locking mechanism significantly improves the structural stability between the fixed column and the folding column, enhancing the practicality of the device.
Smart Images

Figure CN224029169U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of personal mobility vehicle technology, specifically a locking mechanism for a folding column of a scooter. Background Technology
[0002] For easy storage, mobility scooters such as scooters and balance bikes are often designed to be foldable. For example, a folding device is usually designed between the stem and the fork of the mobility scooter. The folding device includes an upper seat, a lower seat and a locking mechanism. The upper seat is connected to the stem and the lower seat is connected to the fork. The upper seat and the lower seat are rotatably connected to allow the stem to be unfolded or folded.
[0003] The locking mechanism is used to lock the upper and lower seats. The locking mechanism includes a handle and a pressure rod. The two ends of the pressure rod are rotatably connected to the handle and the upper seat, respectively. The handle, pressure rod, upper seat, and lower seat form a four-bar linkage, and the upper and lower seats are locked using the "dead point" of the four-bar linkage. Furthermore, the position of the pressure rod can be changed by rotating the handle, thereby unlocking or locking the locking mechanism.
[0004] A folding device and a personal mobility scooter were proposed in Chinese Patent Publication No. CN221340919U. After studying the prior art and the above-mentioned patent, it was found that the locking firmness of the current locking mechanism still needs to be improved. Therefore, this utility model proposes a locking mechanism for the folding column of a scooter. Utility Model Content
[0005] Technical problems to be solved
[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a locking mechanism for the folding column of a scooter.
[0007] Technical solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: a locking mechanism for a folding column of a scooter, comprising a fixed column and a folding column, wherein one side of the fixed column and the folding column are movably connected by a hinge shaft;
[0009] The fixed post is provided with an inner locking member hinged to the side away from the hinge axis. A spring is fixedly connected to one side of the inner locking member. The end of the spring away from the inner locking member abuts against the fixed post. A locking tongue is also hinged to the fixed post. A movable groove is opened inside the locking tongue. A sliding locking member is slidably connected inside the movable groove.
[0010] The folding column has a latching groove on the side away from the hinge axis that engages with the inner locking component. Above the latching groove is a pivot ball hinged to it, and a torsion spring is mounted on the pivot ball. A locking block adapted to a sliding lock is also fixedly connected to one side of the folding column. The inner locking component and the latching groove cooperate to form a first-stage locking mechanism, positioning the fixed column and the folding column. The pivot ball and the torsion spring cooperate to form a second-stage locking mechanism, providing elastic positioning to fix the latch and prevent wobbling. The sliding lock on the latch and the locking block on the folding column cooperate to form the final locking mechanism; the sliding lock can be locked by sliding up and down. This invention, through the combined use of the above three-stage locking mechanisms, can effectively improve the structural stability between the fixed column and the folding column, thus enhancing the practicality of the device.
[0011] Preferably, a mounting component for installing an inner lock and a lock tongue is fixedly connected to one side of the fixed column. The mounting component has a shaft hole inside and a rotatable mounting shaft inside.
[0012] Preferably, the mounting shaft includes a shaft rod with threaded holes at both ends, and baffles are also provided at both ends of the shaft rod. Fixing screws are threaded into the threaded holes, and the baffles are fixed to both ends of the shaft rod by the fixing screws.
[0013] Preferably, the inner locking component has a through hole adapted to the mounting shaft.
[0014] Preferably, the latch has a through hole 2 that is adapted to the mounting shaft.
[0015] Preferably, the groove is provided with a rotatable mounting shaft II, the mounting shaft II is provided with a mounting hole for mounting a ball, and the ball is fixedly mounted inside the mounting hole.
[0016] Beneficial effects:
[0017] Compared with existing technologies, the locking mechanism of the folding column of this scooter has the following advantages:
[0018] In this invention, the inner locking component and the latch groove cooperate to form a primary locking mechanism, positioning the fixed post and the folding post. The ball bearing and the torsion spring cooperate to form a secondary locking mechanism, providing elastic positioning to hold the bolt in place and prevent wobbling. The sliding locking component on the bolt and the locking block on the folding post cooperate to form the final locking mechanism; the sliding locking component can lock the bolt by sliding up and down. Through the combined use of these three locking mechanisms, this invention effectively improves the structural stability between the fixed post and the folding post, enhancing the practicality of the device. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a partial structural schematic diagram of the present invention;
[0022] Figure 3 This is a schematic diagram of the installation structure of the bead-shifting mechanism of this utility model;
[0023] Figure 4 This is a cross-sectional structural diagram of the present invention.
[0024] In the picture:
[0025] 1. Fixed post; 2. Folding post; 3. Hinge shaft; 4. Inner locking component; 5. Spring; 6. Locking groove; 7. Turning ball; 8. Torsion spring; 9. Lock tongue; 10. Movable groove; 11. Sliding locking component; 12. Lock block; 101. Mounting component; 102. Shaft hole; 103. Mounting shaft; 1031. Shaft rod; 1032. Baffle; 1033. Fixing screw; 401. Through hole; 901. Through hole two; 601. Mounting shaft two; 602. Mounting hole. Detailed Implementation
[0026] 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.
[0027] Please see Figures 1-4 As shown, this utility model provides a technical solution: a locking mechanism for a folding column of a scooter, including a fixed column 1 and a folding column 2, wherein one side of the fixed column 1 and the folding column 2 are movably connected by a hinge shaft 3.
[0028] In this application, the fixed post 1 is provided with an inner locking member 4 hinged to the side away from the hinge axis 3. A spring 5 is fixedly connected to one side of the inner locking member 4. The end of the spring 5 away from the inner locking member 4 abuts against the fixed post 1. A locking tongue 9 is also hinged to the fixed post 1. A movable groove 10 is opened inside the locking tongue 9. A sliding locking member 11 is slidably connected inside the movable groove 10.
[0029] In this application, the folding post 2 has a latching groove 6 on the side away from the hinge axis 3, which is connected to the inner locking member 4. Above the latching groove 6, there is also a bead 7 that is hinged to it. The bead 7 is equipped with a torsion spring 8. A locking block 12 that is adapted to the sliding locking member 11 is also fixedly connected to one side of the folding post 2. The inner locking member 4 and the latching groove 6 cooperate to form a first-level locking mechanism to position the fixed post 1 and the folding post 2. The bead 7 and the torsion spring 8 cooperate to form another-level locking mechanism, which provides elastic positioning to position the locking tongue 9 and prevent shaking. The sliding locking member 11 on the locking tongue 9 and the locking block 12 on the folding post 2 cooperate to form the final-level locking mechanism. The sliding locking member 11 can be locked by sliding up and down.
[0030] Please refer to the following carefully. Figure 2 and Figure 4 A mounting component 101 for installing the inner lock component 4 and the lock tongue 9 is fixedly connected to one side of the fixed column 1. The mounting component 101 has a shaft hole 102 inside and a rotatable mounting shaft 103 inside. The mounting shaft 103 includes a shaft rod 1031. The shaft rod 1031 has threaded holes at both ends and baffles 1032 at both ends. Fixing screws 1033 are threaded into the threaded holes. The baffles 1032 are fixed to both ends of the shaft rod 1031 by the fixing screws 1033.
[0031] Please refer to the following carefully. Figure 2 , Figure 3 and Figure 4 The inner locking component 4 has a through hole 401 that is adapted to the mounting shaft 103. The locking tongue 9 has a second through hole 901 that is adapted to the mounting shaft 103. The latch groove 6 has a rotatable mounting shaft 601 inside. The mounting shaft 601 has a mounting hole 602 for mounting the ball bearing 7. The ball bearing 7 is fixedly installed inside the mounting hole 602.
[0032] Working principle: The sliding lock 11 slides up and down to lock; the torsion spring 8 on the ball 7 provides elastic positioning, allowing the bolt 9 to be positioned and preventing it from shaking; an inner lock 4 is added as one of the first-level locking structures. With the moving lock 11 locked, this additional locking structure provides multiple layers of security. After opening the bolt 9, the inner lock 4 must be pressed to fully release the lock. This invention, through the combined use of the above three-level locking mechanisms, can effectively improve the structural stability between the fixed post 1 and the folding post 2.
[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A locking mechanism for a folding column of a scooter, comprising a fixed column (1) and a folding column (2), wherein one side of the fixed column (1) and the folding column (2) are movably connected by a hinge shaft (3), characterized in that: The fixed post (1) is provided with an inner locking member (4) hinged to the side away from the hinge axis (3). A spring (5) is fixedly connected to one side of the inner locking member (4). The end of the spring (5) away from the inner locking member (4) abuts against the fixed post (1). A locking tongue (9) is also hinged to the fixed post (1). A movable groove (10) is opened inside the locking tongue (9). A sliding locking member (11) is slidably connected inside the movable groove (10). The folding post (2) is provided with a latch groove (6) on the side away from the hinge axis (3) to be fastened to the inner lock (4), and a ball bearing (7) is provided above the latch groove (6) to be hinged to it. A torsion spring (8) is provided on the ball bearing (7), and a lock block (12) adapted to the sliding lock (11) is fixedly connected to one side of the folding post (2).
2. The locking mechanism for a folding column of a scooter according to claim 1, characterized in that: One side of the fixed column (1) is fixedly connected to a mounting component (101) for installing the inner lock component (4) and the lock tongue (9). The mounting component (101) has a shaft hole (102) inside and a rotatable mounting shaft (103) inside.
3. The locking mechanism for a folding column of a scooter according to claim 2, characterized in that: The mounting shaft (103) includes a shaft (1031), which has threaded holes at both ends and baffles (1032) at both ends. Fixing screws (1033) are threaded into the threaded holes, and the baffles (1032) are fixed to both ends of the shaft (1031) by the fixing screws (1033).
4. The locking mechanism for a folding column of a scooter according to claim 1, characterized in that: The inner locking component (4) has a through hole (401) that is adapted to the mounting shaft (103).
5. The locking mechanism for a folding column of a scooter according to claim 1, characterized in that: The latch (9) has a through hole (901) inside that is adapted to the mounting shaft (103).
6. The locking mechanism for a folding column of a scooter according to claim 1, characterized in that: The slot (6) is provided with a rotatable mounting shaft (601), and the mounting shaft (601) is provided with a mounting hole (602) for mounting the ball (7). The ball (7) is fixedly installed inside the mounting hole (602).
Citation Information
Patent Citations
Folding device and scooter
CN221340919U