A folding handle structure

Abstract

The utility model relates to a kind of folding handle structure, including hinged seat, first handle, second handle, buckle pressing wrench, locking wrench and locking piece, hinged seat one end is connected with car body main vertical rod, hinged seat other end is provided with first pivot and second pivot, first handle is hinged with first pivot, second handle is hinged with second pivot, buckle pressing wrench is hinged with hinged seat, buckle pressing wrench is matched with hinged seat and is used for the end of first handle and second handle to be pressed tightly or loosened;Locking wrench is hinged with the movable end of buckle pressing wrench, locking piece is used to limit the rotation of locking wrench and buckle pressing wrench.The utility model uses the quick operation mechanism of buckle pressing wrench and locking wrench linkage.User does not need to help large special tool or consume huge physical strength, just by simple operation two wrenches, the locking and release of handle can be completed, realize quick, labor-saving disassembly and assembly, improve maintenance efficiency and user friendliness, applicable to the scene needing frequent folding.

Description

Technical Field

[0001] This utility model relates to the field of electric bicycles, specifically to a folding handlebar structure. Background Technology

[0002] In the manufacturing and assembly of electric bicycles, handlebars typically employ a two-section split design, where the left and right independent handlebar sections are joined and fixed in the center of the frame's seat tube via a connector. This design facilitates production, transportation, and subsequent maintenance and parts replacement.

[0003] Currently, the most common connection method in the industry is threaded connection. Specifically, the left and right handle sections are machined with internal or external threads of opposite directions at their mating ends, and then tightly screwed together using a central connecting sleeve with corresponding external or internal threads at both ends. While this threaded mechanical connection method provides reliable connection strength and stability under static conditions, it reveals several significant drawbacks during actual use and maintenance: Difficult to assemble and disassemble, and inconvenient to operate: To ensure riding safety and prevent loosening during bumps and vibrations, threaded connections typically require a large preload torque. This means that when disassembly is needed later, operators must use specialized tools to apply extremely high torque to unscrew the "seized" threads. This process is extremely strenuous, a significant test of the physical strength of maintenance personnel, and inefficient.

[0004] Threads are easily damaged, reducing reliability: During heavy tightening or disassembly, uneven force or tool slippage can easily cause wear, deformation, or cross-threading of the threads. Once the threads are damaged, it not only further complicates disassembly but also seriously affects the connection strength after reassembly, posing a safety hazard. Thread damage is often irreversible, usually requiring replacement of the entire handle or connecting sleeve, increasing maintenance costs.

[0005] In summary, while existing two-section electric bicycle handlebars relying on threaded connections are simple in structure and low in cost, their core pain point of "difficult disassembly" severely impacts product maintainability and user experience. Therefore, there is an urgent need in this field for a new connection structure that can achieve quick, effortless assembly and disassembly without requiring excessive twisting, while maintaining connection strength and safety comparable to or even higher than the original threaded connection. This would improve the maintenance efficiency and user-friendliness of electric bicycles. Utility Model Content

[0006] The purpose of this invention is to provide a folding handle structure to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the technical solution of this utility model is as follows: A folding handle structure includes a hinge base, a first handle, a second handle, a locking wrench, a locking wrench, and a locking element. One end of the hinge base is connected to the main upright of the vehicle body, and the other end of the hinge base is provided with a first pivot and a second pivot. The first handle is hinged to the first pivot, the second handle is hinged to the second pivot, and the locking wrench is hinged to the hinge base. The locking wrench cooperates with the hinge base to press or release the ends of the first handle and the second handle. The locking wrench is hinged to the movable end of the locking wrench, and the locking element is used to limit the rotation of the locking wrench and the locking wrench.

[0008] Preferably, the hinge seat is in the shape of an inverted triangle. The bottom of the hinge seat is connected to the main upright of the vehicle body. The top of the hinge seat is provided with an upward-opening limiting tube. The first rotating shaft and the second rotating shaft are respectively provided on both sides of the limiting tube. The front part of the limiting tube is provided with a third rotating shaft. The rear part of the limiting tube is provided with a locking seat.

[0009] Preferably, the clamping wrench is hinged to the third rotating shaft, and when the clamping wrench rotates above the limiting part, the clamping wrench and the limiting part form a conduit for restricting the rotation of the first handle and the second handle.

[0010] Preferably, the movable end of the clamping wrench is provided with a fourth pivot, and the locking wrench is hinged to the fourth pivot.

[0011] Preferably, the locking element passes sequentially through the fourth pivot and the latching wrench and is detachably connected to the locking seat.

[0012] Preferably, the locking element is screwed to the locking seat.

[0013] Preferably, the hinge seat further includes connecting rods on both sides, and the connecting rods are provided with inward arc-shaped grooves.

[0014] The folding handle structure of this utility model has the following advantages compared with the prior art: First, it represents a qualitative leap in user experience and efficiency. This structure abandons the traditional threaded tightening method, employing a rapid operation mechanism that links a "clamping wrench" and a "locking wrench." Users do not need large specialized tools or expend significant physical effort; simply operating the two wrenches allows for locking and releasing the handle, achieving truly fast and effortless assembly and disassembly. This greatly improves maintenance efficiency and user-friendliness, making it particularly suitable for scenarios requiring frequent folding.

[0015] Secondly, it fundamentally improves connection reliability and safety. On the one hand, the design eliminates the problems of seizing, stripping, and wear that are common in threaded connections, not only eliminating the maintenance costs associated with them but also ensuring a long lifespan and high reliability of the connection structure. On the other hand, the unique "locking wrench" and "locking element" form a double safety mechanism, ensuring that the locking wrench will not accidentally loosen under riding vibrations or impacts, providing dynamic stability and safety far exceeding that of traditional threaded connections.

[0016] Finally, this structure boasts exceptional practicality and adaptability. The entire linkage mechanism is compactly designed and arranged around the hinge seat, requiring minimal operating space and overcoming the drawbacks of traditional threaded disassembly where tools are difficult to use in confined spaces. This makes subsequent vehicle maintenance, adjustments, and storage in compact spaces much more convenient. Attached Figure Description

[0017] Figure 1 A schematic diagram of the folding handle structure provided in an embodiment of this utility model; Figure 2 A schematic diagram showing the folding handle structure provided in this embodiment of the utility model after the first and second handles are hidden; Figure 3 This is a schematic diagram from another perspective showing the folding handle structure provided in this embodiment of the present invention after the first and second handles are hidden. Detailed Implementation

[0018] The following detailed description illustrates the specific implementation method: The reference numerals in the accompanying drawings include: hinge seat 1, first handle 2, second handle 3, snap-on wrench 4, locking wrench 5, locking element 6, limiting tube part 7, third pivot 8, locking seat 9, fourth pivot 10, connecting rod 11, arc groove 12, main upright 13, first pivot 14, and second pivot 15.

[0019] As attached Figure 1-3As shown in the figure, this embodiment illustrates a folding handlebar structure for bicycles and scooters, including a hinge base 1 for connecting to the main upright post 13 of the vehicle body, a first handlebar 2 and a second handlebar 3 symmetrically arranged on the left and right, a clamping wrench 4 for clamping the handlebars, a locking wrench 5 for controlling the locking, and a locking element 6. Specifically, the bottom end of the hinge base 1 is fixedly connected to the main upright post 13 of the vehicle body, and its top end is provided with a first pivot 14 and a second pivot 15. The first handlebar 2 is hinged to the hinge base 1 through the first pivot 14, and similarly, the second handlebar 3 is hinged through the second pivot 15, so that the two handlebars can be independently rotated and folded outwards. The clamping wrench 4 is connected to the hinge base 1 through another hinge point, and it can clamp or loosen the ends of the first handlebar 2 and the second handlebar 3 by rotation. To complete the locking action, the moving ends of the locking wrench 5 and the pressing wrench 4 are hinged, while the locking member 6 is used to limit the relative movement of the locking wrench 5 and the pressing wrench 4 in the final position, thereby achieving the locking of the entire structure.

[0020] Furthermore, in this embodiment, the hinge seat 1 is designed as an inverted triangle, which effectively transmits the force on the handle to the main upright of the vehicle body 13. The bottom of the hinge seat 1 is firmly connected to the main upright of the vehicle body 13, and its top is provided with an upward-opening limiting part 7. The two sides of the limiting part 7 are respectively used to install the first rotating shaft 14 and the second rotating shaft 15. A third rotating shaft 8 is provided at the front of the limiting part 7 for hinged connection with the clamping wrench 4; correspondingly, a locking seat 9 with a threaded hole is provided at the rear of the limiting part 7 for cooperating with the locking member 6.

[0021] The clamping mechanism of the handles involves the latching wrench 4, which, through its hinge to the third pivot 8, can rotate like a lid. When rotated upwards, the first handle 2 and the second handle 3 can rotate freely to achieve folding. When rotated downwards above the limiting section 7, the internal contour of the latching wrench 4 and the lower limiting section 7 together form a semi-enclosed tubular structure. This "tube" precisely accommodates and restricts the ends of the first handle 2 and the second handle 3, thereby preventing them from rotating outwards and ensuring the stability of the handles when unfolded for use.

[0022] To achieve reliable locking, a fourth pivot 10 is provided on the movable end of the clamping wrench 4. One end of the locking wrench 5 is hinged to this fourth pivot 10, allowing the locking wrench 5 to rotate relative to the clamping wrench 4. In this embodiment, when the folding handle structure needs to be locked, the clamping wrench 4 is first pressed down to tighten the handle, and then the locking wrench 5 is rotated to align its holes. At this time, the locking member 6 passes through the through hole on the fourth pivot 10 and the corresponding hole on the clamping wrench 4 in sequence, and finally screws into the locking seat 9 at the rear of the hinge seat 1, achieving a secure and detachable connection through threads. This design makes the entire locking state very stable and the operation intuitive.

[0023] Specifically, in this embodiment, the locking element 6 is a bolt.

[0024] To optimize the compactness after folding, connecting rods 11 are provided on both sides of the hinge base 1. The outer side of these connecting rods 11 is designed with arc-shaped grooves 12. When the first handle 2 and the second handle 3 are rotated outward and folded, their handle tubes can be precisely embedded and accommodated in these arc-shaped grooves 12, so that the folded handles can fit more closely to the hinge base 1, effectively reducing the overall storage volume and making the appearance neater.

[0025] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A folding handle structure, characterized in that: The device includes a hinge base (1), a first handle (2), a second handle (3), a clamping wrench (4), a locking wrench (5), and a locking element (6). One end of the hinge base (1) is connected to the main upright of the vehicle body (13), and the other end of the hinge base (1) is provided with a first rotating shaft (14) and a second rotating shaft (15). The first handle (2) is hinged to the first rotating shaft (14), the second handle (3) is hinged to the second rotating shaft (15), the clamping wrench (4) is hinged to the hinge base (1), and the clamping wrench (4) cooperates with the hinge base (1) to press or release the ends of the first handle (2) and the second handle (3). The locking wrench (5) is hinged to the movable end of the clamping wrench (4), and the locking element (6) is used to limit the rotation of the locking wrench (5) and the clamping wrench (4).

2. The folding handle structure according to claim 1, characterized in that: The hinge seat (1) is in the shape of an inverted triangle. The bottom of the hinge seat (1) is connected to the main upright of the vehicle body (13). The top of the hinge seat (1) is provided with an upward-opening limiting part (7). The first rotating shaft (14) and the second rotating shaft (15) are respectively provided on both sides of the limiting part (7). The front part of the limiting part (7) is provided with a third rotating shaft (8). The rear part of the limiting part (7) is provided with a locking seat (9).

3. The folding handle structure according to claim 2, characterized in that: The clamping wrench (4) is hinged to the third rotating shaft (8). When the clamping wrench (4) rotates above the limiting part (7), the clamping wrench (4) and the limiting part (7) form a pipe for restricting the rotation of the first handle (2) and the second handle (3).

4. A folding handle structure according to claim 3, characterized in that: The movable end of the snap wrench (4) is provided with a fourth pivot (10), and the locking wrench (5) is hinged to the fourth pivot (10).

5. A folding handle structure according to claim 4, characterized in that: The locking element (6) passes through the fourth pivot (10) and the latching wrench in sequence and is detachably connected to the locking seat (9).

6. A folding handle structure according to claim 5, characterized in that: The locking element (6) is screwed to the locking seat (9).

7. A folding handle structure according to claim 2, characterized in that: The hinge seat (1) also includes connecting rods (11) on both sides, and the connecting rods (11) are provided with arc-shaped grooves (12) inward.

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