Quick-release main body unit and quick-release device for motorcycle fuel tank bag

Abstract

The utility model relates to the field of mechanical lock catch devices, in particular to a quick-release main body unit and a quick-release device for a motorcycle fuel tank bag, which comprise a shell and a lock catch assembly arranged in the shell, a plurality of through holes are formed in the side wall of the shell; the lock catch assembly comprises a driving buckle plate and a driven buckle plate which are arranged in the shell in a sliding manner, an operation part for driving the driving buckle plate and the driven buckle plate to move, and a reset spring; buckle heads are arranged at the outer ends of the driving buckle plate and the driven buckle plate and can stretch out of or retract into the through holes. The operating part is in driving connection with the driving buckle plate; a synchronous gear is rotationally arranged in the shell; racks are respectively arranged at the inner end part of the driving pinch plate and the inner end part of the driven pinch plate, and are meshed with the synchronous gear, so that when the operating part drives the driving pinch plate to move, the synchronous gear drives the driven pinch plate to synchronously move. The scheme has the advantages of being simple in structure, smooth in operation, stable in reset and high in synchronism.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical lock catch device field especially, it relates to a quick release main unit and motorcycle oil tank bag quick release device. BACKGROUND

[0002] The existing motorcycle oil tank bag quick release device realizes locking and unlocking through the drive of the symmetrically arranged buckle plate, such as the Chinese patents with the announcement number CN220009989U and CN110139795B, adopts the cooperation of the pull buckle rod and the triangular buckle hole, and the announcement number CN221541817U adopts the cooperation of the pull buckle rod and the obliquely arranged drive groove. Taking the scheme recorded in the Chinese utility model patent with the announcement number CN220009989U as an example, the bottom of the driving part (pull buckle rod) is provided with a top column, a triangular buckle hole is formed in the buckle plate, the top column is embedded in the buckle hole, the buckle plate is forced to slide transversely to retract or extend the buckle head by pulling the driving part to drive the top column to move along the triangular buckle hole.

[0003] Although the design can realize the basic unlocking function, the following significant defects still exist: the structure is complex and easy to wear, the cooperation of the top column and the triangular buckle hole needs to be accurately machined, the contact surface of the hole wall and the top column is easy to wear due to friction after long-term use, the moving track of the buckle plate is deviated, the unlocking action is stuck or fails; the operation force transmission efficiency is low, the sliding of the top column in the triangular buckle hole needs to overcome the friction force in multiple directions, the user needs to exert a large pulling force to drive the buckle plate, the operation is laborious and the hand feeling is harsh; the reset stability is poor, the reset of the buckle plate depends on the spring force, but the nonlinear path of the triangular buckle hole is easy to cause uneven force of the spring, the buckle plate may vibrate or rebound incompletely during the reset process, affecting the accurate engagement of the buckle head and the buckle groove; the synchronization of the symmetric buckle plates is insufficient, the two buckle plates are only driven by independent top columns, lacking a forced synchronization mechanism, the two buckle plates are easy to be out of synchronization due to machining errors or wear, causing the unilateral buckle head to be not completely retracted or extended, causing unlocking failure or locking failure. The above problems cause the reliability of the existing quick release device to decrease in the frequent use scene, the user experience is poor, and a more efficient, durable and smooth operation locking drive scheme is urgently needed. In view of the above problems, the prior art needs to be improved. SUMMARY

[0004] In order to solve the above problems, the utility model aims at providing a quick release main unit and motorcycle oil tank bag quick release device, which has the advantages of simple structure, smooth operation, stable reset and strong synchronization.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The application provides a quick release main body unit, and the technical scheme is as follows: a quick release main body unit, comprising a shell and a lock catch assembly arranged in the shell; a plurality of through holes are arranged on the side wall of the shell; the lock catch assembly comprises a driving catch plate and a driven catch plate which are slidingly arranged in the shell, an operating component which drives the driving catch plate and the driven catch plate to move, and a reset spring; the outer end of the driving catch plate and the driven catch plate is provided with a catch head which can extend out of or retract into the through hole; the operating component is drivingly connected with the driving catch plate; a synchronous gear is rotationally arranged in the shell; the inner end of the driving catch plate and the inner end of the driven catch plate are respectively provided with a gear rack which is engaged with the synchronous gear, so that when the operating component drives the driving catch plate to move, the synchronous gear drives the driven catch plate to synchronously move.

[0007] Further, the application also provides that the gear racks at the inner ends of the driving catch plate and the driven catch plate are respectively engaged with the two sides of the synchronous gear, and the moving directions of the driving catch plate and the driven catch plate are opposite.

[0008] Further, the application also provides that a guide column or a guide notch is arranged in the shell; a guide notch or a guide column which is matched with the guide column or the guide notch is arranged on the driving catch plate and the driven catch plate; the guide column is embedded in the guide notch to limit the sliding directions of the driving catch plate and the driven catch plate.

[0009] Further, the application also provides that the lower end of the shell is inwardly recessed to form a U-shaped groove, and the U-shaped groove forms a U-shaped boss in the shell; the through hole is arranged on the side wall of the U-shaped boss and communicates with the U-shaped groove; the synchronous gear is rotationally arranged at the center of the enclosed area of the U-shaped boss; the inner ends of the driving catch plate and the driven catch plate are at least partially located in the enclosed area of the U-shaped boss, and the gear racks and the catch heads correspond to the synchronous gear and the through hole respectively.

[0010] Further, the application also provides that the inner end of the driven catch plate is in a U-shaped structure, and the gear rack is arranged on one arm of the U-shaped structure; the synchronous gear is rotationally arranged in the U-shaped opening of the driven catch plate; the inner end of the driving catch plate is a strip-shaped plate, and the gear rack is arranged on the strip-shaped plate; the strip-shaped plate is inserted into the U-shaped opening of the driven catch plate, so that the gear racks of the driving catch plate and the driven catch plate are respectively engaged with the two sides of the synchronous gear; the other U-shaped arm of the driven catch plate limits the strip-shaped plate of the driving catch plate in the engaging direction.

[0011] Further, the application also provides that the operation component drives the active buckle plate and the driven buckle plate to move towards each other, so that the buckle head is retracted into the shell; the elastic force of the reset spring drives the active buckle plate and the driven buckle plate to move away from each other, so that the buckle head is extended out of the shell. Further, the application also provides that one or more reset springs are arranged in the shell, and the reset springs abut on the active buckle plate and / or the driven buckle plate.

[0012] Further, the application also provides that the shell is provided with a locking assembly, the locking assembly comprises a mechanical lock; the locking tongue plate of the mechanical lock can enter the movement path of the active buckle plate or the driven buckle plate; when the locking tongue plate enters the movement path, the locking tongue plate abuts against the active buckle plate or the driven buckle plate to limit the movement thereof; when the locking tongue plate exits the movement path, the active buckle plate and the driven buckle plate can move freely.

[0013] Further, the application also provides that the active buckle plate is provided with an extension plate; the locking tongue plate can turn into or out of the movement path of the extension plate; when the locking tongue plate turns into the path, the locking tongue plate abuts against the end of the extension plate or is clamped into the clamping hole on the extension plate; the shell is also provided with a supporting plate, when the locking tongue plate turns into the path, the supporting plate abuts on the other side of the locking tongue plate to enhance the locking stability.

[0014] The application also provides a motorcycle tank bag quick release device comprising the quick release main unit.

[0015] As can be seen from the above, the quick release main unit and the motorcycle tank bag quick release device provided by the application realize the synchronous movement of the active buckle plate and the driven buckle plate through the cooperation of the synchronous gear and the rack, solve the problems of complex structure, laborious operation, unstable reset, and poor synchronism in the prior art, and have the advantages of simple structure, smooth operation, stable reset, and strong synchronism. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a top perspective view of a quick release main unit provided by the application.

[0017] Figure 2 FIG. 2 is a bottom perspective view of the quick release main unit provided by the application.

[0018] Figure 3 FIG. 3 is an exploded view of the quick release main unit provided by the application.

[0019] Figure 4 FIG. 4 is a plan view of the quick release main unit provided by the application in an open state.

[0020] Figure 5 FIG. 5 is a structural view of a lower shell. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0022] In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0023] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature. Embodiment 1

[0026] As Figures 1-5 shown in the embodiment, a quick release main body unit is provided, which includes a shell 1 and a lock catch assembly arranged inside the shell 1. A plurality of through holes 11 are arranged on the side wall of the shell 1. The lock catch assembly includes a driving catch plate 21 and a driven catch plate 22 slidingly arranged in the shell 1, an operating component 3 driving the driving catch plate 21 and the driven catch plate 22 to move, and a reset spring 4. The outer ends of the driving catch plate 21 and the driven catch plate 22 are provided with catch heads which can extend out of or retract into the through holes 11. The operating component 3 is drivingly connected with the driving catch plate 21. A synchronous gear 5 is rotatably arranged in the shell 1. The inner ends of the driving catch plate 21 and the driven catch plate 22 are respectively provided with racks 20 which are engaged with the synchronous gear 5, so that when the operating component 3 drives the driving catch plate 21 to move, the synchronous gear 5 drives the driven catch plate 22 to move synchronously. The rotation of the synchronous gear 5 can be achieved by a bearing or a shaft sleeve to ensure the smooth rotation of the gear. The inner end rack 20 of the driving catch plate 21 and the driven catch plate 22 can be machined by milling or stamping process, and the tooth shape of the rack 20 can be straight or helical, which is matched with the tooth shape of the synchronous gear 5. The operating component 3 can be in the form of a pull rod, a button or a knob, and the specific design can be adjusted according to the actual application scene. The reset spring 4 can be in the form of a coil spring, a leaf spring or a torsion spring, and the spring force should be designed according to the force required for the extension and retraction of the catch head. Specifically, when the operating component 3 is pulled or pressed, the driving catch plate 21 slides along the shell 1 under the drive of the operating component 3, the rack 20 on the driving catch plate 21 drives the synchronous gear 5 to rotate, and the rotation of the synchronous gear 5 further drives the rack 20 on the driven catch plate 22, so that the driven catch plate 22 slides synchronously. Thus, the catch heads of the driving catch plate 21 and the driven catch plate 22 extend out of or retract into the through holes 11, realizing the locking or unlocking function. After the operating component 3 is released, the reset spring 4 pushes the driving catch plate 21 and the driven catch plate 22 to reset, so that the catch heads return to the initial position.

[0027] Compared with the prior art, by introducing the design of the synchronous gear 5 and the rack 20 engagement, the synchronous movement of the driving catch plate 21 and the driven catch plate 22 is ensured, and the problem of asynchronous action of the catch plates in the traditional design is solved. At the same time, the direct driving connection of the operating component 3 with the driving catch plate 21 improves the operation efficiency and reduces the operation force of the user. The setting of the reset spring 4 ensures that the catch head can automatically reset after operation, improving the convenience of use. The overall structure is simple, the operation is smooth, and it has high reliability and durability.

[0028] In a further aspect, the toothed racks 20 at the inner ends of the driving buckle 21 and the driven buckle 22 are respectively engaged with the two sides of the synchronous gear 5, and the moving directions of the driving buckle 21 and the driven buckle 22 are opposite. Specifically, the inner ends of the driving buckle 21 and the driven buckle 22 are respectively provided with toothed racks 20, which are engaged with the synchronous gear 5. Through the rotation of the synchronous gear 5, the driving buckle 21 and the driven buckle 22 can realize synchronous movement. Since the toothed racks 20 are respectively located on the two sides of the synchronous gear 5, the moving directions of the driving buckle 21 and the driven buckle 22 are opposite, thereby ensuring the synchronization and stability of the two during movement. This design effectively solves the problem of insufficient synchronization of the driving buckle 21 and the driven buckle 22 during movement, and improves the reliability and operation efficiency of the lock assembly. As a preferred embodiment, the synchronous gear 5 can be designed as a cylindrical gear with multiple teeth, and the pitch of the toothed racks 20 matches the pitch of the synchronous gear 5, to ensure the accuracy and stability of engagement. In addition, the rotation of the synchronous gear 5 can be directly driven by the operating member 3 or indirectly driven by other transmission mechanisms, thereby realizing the synchronous movement of the driving buckle 21 and the driven buckle 22. In this regard, the technical solution of the present application introduces the synchronous gear 5, so that the moving directions of the driving buckle 21 and the driven buckle 22 are opposite, thereby realizing the synchronous movement of the two. Compared with the prior art, the technical solution of the present application significantly improves the synchronization and stability of the buckle movement, reduces the problem of unlocking failure or locking failure caused by asynchronization. In addition, the design of the synchronous gear 5 simplifies the structure of the lock assembly, reduces the difficulty of machining and assembly, and improves the reliability and service life of the product.

[0029] Further, the housing 1 is provided with a guide column 12 or a guide notch 13. The driving buckle plate 21 and the driven buckle plate 22 are provided with a guide notch 13 or a guide column 12 that is matched with the guide column 12 or the guide notch 13. The guide column 12 is embedded in the guide notch 13 to limit the sliding direction of the driving buckle plate 21 and the driven buckle plate 22. Specifically, the guide column 12 can be designed as a cylindrical or rectangular column, and the diameter or width thereof is matched with the size of the guide notch 13 to ensure that the guide column 12 can be smoothly embedded in the guide notch 13. The guide notch 13 can be designed as a straight line or a curve, and the specific shape is determined according to the sliding path of the driving buckle plate 21 and the driven buckle plate 22. As a preferred embodiment, the surface of the guide column 12 and the guide notch 13 can be polished to reduce the frictional resistance in the sliding process. In addition, the material of the guide column 12 and the guide notch 13 can be selected as a metal or an alloy with high wear resistance to prolong the service life. In this regard, the technical scheme ensures the stable direction of the driving buckle plate 21 and the driven buckle plate 22 in the sliding process by matching the guide column 12 or the guide notch 13 provided in the housing 1 with the guide notch 13 or the guide column 12 on the driving buckle plate 21 and the driven buckle plate 22, thereby avoiding the deviation of the sliding track. Therefore, the sliding direction of the driving buckle plate 21 and the driven buckle plate 22 is strictly limited in the path of the guide column 12 and the guide notch 13, thereby improving the accuracy and reliability of the extension or retraction of the buckle head. Compared with the prior art, the scheme effectively solves the problem of unstable direction of the driving buckle plate 21 and the driven buckle plate 22 in the sliding process, reduces the situation of unlocking failure or locking failure caused by the deviation of the sliding track, and improves the overall performance and user experience of the quick release device.

[0030] As Figure 2As shown, the lower end of the shell 1 is inwardly recessed to form a U-shaped groove 14, which forms a U-shaped boss 15 inside the shell 1. The through hole 11 is provided on the side wall of the U-shaped boss 15 and communicates with the U-shaped groove 14. The synchronous gear 5 is rotationally arranged at the center of the enclosed area of the U-shaped boss 15. The inner ends of the driving buckle plate 21 and the driven buckle plate 22 are at least partially located in the enclosed area of the U-shaped boss 15, and the rack 20 and the buckle head correspond to the synchronous gear 5 and the through hole 11, respectively. Specifically, the design of the U-shaped groove 14 enables the lower end of the shell 1 to be adapted to install the horseshoe-shaped adapter, and the formation of the U-shaped boss 15 further optimizes the internal space layout. The synchronous gear 5 is arranged at the center of the U-shaped boss 15, ensuring the synchronization of the driving buckle plate 21 and the driven buckle plate 22 during movement. The communication design of the through hole 11 and the U-shaped groove 14 makes the extension and retraction of the buckle head more smooth, improving the convenience and stability of operation. As a preferred embodiment, the depth and width of the U-shaped groove 14 can be adjusted according to actual needs to adapt to adapters of different sizes. In addition, the height and shape of the U-shaped boss 15 can also be optimized according to the size and installation requirements of the synchronous gear 5 to ensure the meshing accuracy of the gear and the rack 20. In this regard, the technical solution of the present application simplifies the internal structure of the shell 1 through the design of the U-shaped groove 14 and the U-shaped boss 15, making the layout of the synchronous gear 5, the driving buckle plate 21 and the driven buckle plate 22 more compact and reasonable. The synchronous gear 5 is arranged at the center of the U-shaped boss 15, ensuring the synchronization of the driving buckle plate 21 and the driven buckle plate 22 during movement, avoiding the problem of insufficient synchronization caused by complex structure. The communication design of the through hole 11 and the U-shaped groove 14 makes the extension and retraction of the buckle head more smooth, improving the convenience and stability of operation. Compared with the prior art, the technical solution of the present application not only simplifies the structure, but also improves the smoothness and reliability of operation, solving the technical problems of complex structure and insufficient synchronization in the prior art.

[0031] As Figure 3 and 4As shown, the inner end of the driven clasp 22 is in a U-shaped structure 222, and the rack 20 is arranged on one arm of the U-shaped structure 222. The synchronous gear 5 is rotatably arranged in the U-shaped opening of the driven clasp 22. The inner end of the driving clasp 21 is a strip-shaped plate 212, and the rack 20 is arranged on the strip-shaped plate 212. The strip-shaped plate 212 is inserted into the U-shaped opening of the driven clasp 22, so that the racks 20 of the driving clasp 21 and the driven clasp 22 are respectively engaged on both sides of the synchronous gear 5. The other U-shaped arm of the driven clasp 22 limits the strip-shaped plate 212 of the driving clasp 21 in the meshing direction. Specifically, the U-shaped structure 222 of the driven clasp 22 is designed so that its inner end can accommodate the synchronous gear 5 and engage with the synchronous gear 5 through the rack 20, ensuring that the driven clasp 22 and the driving clasp 21 move synchronously under the drive of the synchronous gear 5. The strip-shaped plate 212 of the driving clasp 21 is inserted into the U-shaped opening of the driven clasp 22, so that the racks 20 of the two are respectively located on both sides of the synchronous gear 5, ensuring the stability of the engagement. The other U-shaped arm of the driven clasp 22 limits the strip-shaped plate 212 of the driving clasp 21, that is, the strip-shaped plate 212 of the driving clasp 21 and the U-shaped structure 222 of the inner end of the driven clasp 22 form a biting structure, preventing the strip-shaped plate 212 from shifting and disengaging from the synchronous gear 5 during movement, ensuring that the movement directions of the two are consistent and stable. Thus, the technical scheme of the present application realizes the precise engagement and limiting of the driving clasp 21 and the driven clasp 22 under the drive of the synchronous gear 5 through the design of the U-shaped structure 222 of the driven clasp 22. Compared with the prior art, this scheme not only simplifies the structure, reduces the processing and assembly difficulty, but also significantly improves the synchronization and stability of the clasp movement, avoids the disengagement or deviation caused by wear or processing error, and thus improves the reliability and service life of the overall device.

[0032] In a specific scheme, the operation component 3 drives the active buckle plate 21 and the driven buckle plate 22 to move towards each other, so that the buckle head retracts into the shell 1. The elastic force of the reset spring 4 drives the active buckle plate 21 and the driven buckle plate 22 to move away from each other, so that the buckle head extends out of the shell 1. Specifically, the operation component 3 can drive the active buckle plate 21 and the driven buckle plate 22 to move towards each other in various ways. For example, the operation component 3 can be a lever structure, which is manually operated to move the active buckle plate 21 and the driven buckle plate 22 inward, so as to retract the buckle head. The reset spring 4 can be arranged between the active buckle plate 21 and the driven buckle plate 22, and when the operation component 3 is released, the elastic force of the reset spring 4 will push the active buckle plate 21 and the driven buckle plate 22 to move outward, so that the buckle head extends out of the shell 1. In addition, the reset spring 4 can also be arranged inside the shell 1, and the elastic force of the spring directly acts on the active buckle plate 21 and the driven buckle plate 22 to achieve the extension of the buckle head. Thus, the cooperation of the operation component 3 and the reset spring 4 realizes the stable retraction and extension of the buckle head. The operation component 3 drives the active buckle plate 21 and the driven buckle plate 22 to move towards each other, so that the buckle head can retract into the shell 1 to realize the unlocking function. The reset spring 4 drives the active buckle plate 21 and the driven buckle plate 22 to move away from each other by the elastic force, so that the buckle head can extend out of the shell 1 to realize the locking function. This design ensures that the buckle head can be stably retracted and extended under the action of the operation component 3 and the reset spring 4, and solves the technical problem of unstable movement of the buckle head. Compared with the prior art, the technical scheme has the advantages of simple operation, stable structure and long service life. The cooperation of the operation component 3 and the reset spring 4 makes the movement of the buckle head more smooth, reduces the demand for operating force, and improves the user experience. At the same time, this design reduces the wear of components and prolongs the service life of the device, which is suitable for frequent use scenarios.

[0033] In a further aspect, one or more return springs 4 are arranged in the housing 1 and abut against the driving buckle plate 21 and / or the driven buckle plate 22. Specifically, by arranging one or more return springs 4, it can be ensured that the driving buckle plate 21 and the driven buckle plate 22 are evenly stressed during the resetting process, thereby avoiding the problem of unstable resetting of the buckle plate caused by uneven distribution or single arrangement of the return spring 4. The distribution of multiple return springs 4 can enhance the resetting force of the buckle plate, improve the stability of the buckle extension or retraction, and thus improve the reliability and user experience of the quick release main unit. The return spring 4 can be a coil spring, a leaf spring or other elastic element, and the specific number and position can be adjusted according to actual needs. As a preferred embodiment, only one return spring 4 is arranged in the housing 1, which abuts against the driving buckle plate 21 to reduce the reverse force during the driving of the synchronous gear 5 and the rack 20, thereby reducing the wear of the synchronous gear 5 and the rack 20. When the return spring 4 is arranged on the driven buckle plate 22, the operating component 3 first acts on the driving buckle plate 21, and the driving buckle plate 21 needs to overcome the resetting force on the driven buckle plate 22 before moving. The resetting force is transmitted through the cooperation of the synchronous gear 5 and the rack 20, so it will cause wear of the synchronous gear 5 and the rack 20. By optimizing the arrangement of the return spring 4, the wear can be effectively reduced, and the service life of the quick release main unit can be prolonged. Thus, the technical scheme of the present application solves the technical problem of unstable resetting of the buckle plate caused by single arrangement or uneven distribution of the return spring 4, improves the stability and reliability of the quick release main unit, reduces the wear of the synchronous gear 5 and the rack 20, and improves the overall quality of the product.

[0034] As shown in Figure 3 and 4 The housing 1 is provided with a locking assembly, which includes a mechanical lock 61. The locking tongue plate 611 of the mechanical lock 61 can enter the movement path of the driving buckle plate 21 or the driven buckle plate 22. When the locking tongue plate 611 enters the movement path, the locking tongue plate 611 abuts against the driving buckle plate 21 or the driven buckle plate 22 to limit the movement thereof. When the locking tongue plate 611 exits the movement path, the driving buckle plate 21 and the driven buckle plate 22 can move freely. Specifically, the entry or exit of the locking tongue plate 611 from the movement path can be achieved by rotating or sliding the mechanical lock 61. As a preferred embodiment, the mechanical lock 61 can be designed as a structure with a rotating handle to drive the locking tongue plate 611 to enter or exit the movement path; or after unlocking based on a key, the locking tongue plate 611 is rotated by the rotation of the lock core. In addition, the shape of the locking tongue plate 611 can be designed as a wedge or a rectangle, so as to more effectively abut against the buckle plate when entering the movement path, thereby enhancing the stability of the locking. Further, the end of the locking tongue plate 611 can be provided with a protrusion or a groove to cooperate with the corresponding structure on the buckle plate, thereby further improving the reliability of the locking.

[0035] To this end, the technical solution of the present application achieves effective restriction of the movement of the driving buckle plate 21 and the driven buckle plate 22 in the locked state through the design of the locking assembly. When the lock tongue plate 611 enters the movement path, the lock tongue plate 611 directly contacts the buckle plate, preventing its movement and ensuring the stability of the locked state. When the lock tongue plate 611 exits the movement path, the buckle plate can move freely, realizing the unlocking function. This design solves the problem of unrestricted movement of the buckle plate in the locked state in the prior art through a simple mechanical structure, while improving the convenience of operation and the reliability of locking. Compared with the prior art, the technical solution of the present application has the advantages of simple structure, convenient operation, stable locking, and the like, and additionally has the functions of theft prevention and forced disassembly prevention, which can effectively improve the user experience.

[0036] Further, the driving buckle plate 21 is provided with an extension plate 213. The lock tongue plate 611 can turn into or out of the movement path of the extension plate 213. When the lock tongue plate 611 turns into the path, the lock tongue plate 611 abuts against the end of the extension plate 213 or is clamped into the clamp hole on the extension plate 213. The housing 1 is also provided with a support plate 16, which supports the other side of the lock tongue plate 611 when the lock tongue plate 611 turns into the path to enhance the locking stability. Specifically, the extension plate 213 can be designed as a plate-shaped structure extending outward from one side of the driving buckle plate 21, and a clamp hole or a protrusion can be provided at the end thereof, so that the lock tongue plate 611 can be more stably abutted or clamped when turning into the path. The length and shape of the extension plate 213 can be adjusted according to actual needs to ensure that the lock tongue plate 611 can accurately align with the clamp hole or the end when turning into the path. The support plate 16 can be fixed on the inner wall of the housing 1, and its position and shape should match the other side of the lock tongue plate 611 so as to effectively support the lock tongue plate 611 when it turns into the path, preventing it from loosening or deviating. The support plate 16 can be made of elastic material to provide a certain buffering effect, further enhancing the stability of the locking. Thus, through the cooperation of the extension plate 213 and the support plate 16, the locking stability between the lock tongue plate 611 and the driving buckle plate 21 is significantly improved. The extension plate 213 provides an additional contact or clamping position for the lock tongue plate 611, so that the lock tongue plate 611 can more stably abut or clamp the extension plate 213 when turning into the path, thereby enhancing the stability of the locking. The support plate 16 supports the other side of the lock tongue plate 611 when it turns into the path, further enhancing the fixing effect of the lock tongue plate 611 and preventing it from loosening or deviating in the locked state. Compared with the prior art, the technical solution of the present application effectively solves the problem of insufficient locking stability between the lock tongue plate 611 and the driving buckle plate 21 through simple structural improvement, improving the reliability and durability of the lock assembly. Embodiment 2

[0037] The motorcycle tank bag quick release device also includes the quick release main unit described in Embodiment 1. The quick release main unit is composed of a housing 1, a lock catch assembly, an operating part 3, a return spring 4, a synchronous gear 5, and the like. The housing 1 is provided with a plurality of through holes 11 on the side wall, the lock catch assembly includes a driving catch plate 21 and a driven catch plate 22, the operating part 3 drives the driving catch plate 21 to move, the synchronous gear 5 drives the driven catch plate 22 to move synchronously, the return spring 4 provides a return force, the guide column 12 or the guide notch 13 limits the sliding direction, and the locking assembly enhances the locking stability. By integrating the quick release main unit, the structure therein is used to realize the synchronous extension and retraction of the catch head, and the smoothness and stability of the operation are improved.

[0038] Therefore, the application integrates the quick release main unit, uses the structure therein to realize the synchronous extension and retraction of the catch head, and improves the smoothness and stability of the operation. Compared with the prior art, the application solves the problems of complex structure, easy wear, low operation force transmission efficiency, poor return stability, and insufficient symmetry of the catch plate in the prior art, and improves the reliability and user experience of the device.

[0039] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments without departing from the principles and purposes of the present application within the scope of the present application.

Claims

1. A quick release main body unit, comprising a housing (1) and a lock assembly arranged inside the housing (1); a plurality of through holes (11) are arranged on the side wall of the housing (1); the lock assembly comprises a driving buckle plate (21) and a driven buckle plate (22) arranged in the housing (1) in sliding mode, an operating component (3) for driving the driving buckle plate (21) and the driven buckle plate (22) to move, and a reset spring (4); the outer end of the driving buckle plate (21) and the driven buckle plate (22) is provided with a buckle head which can be extended or retracted from the through hole (11); characterized in that: the operating component (3) is drivingly connected with the driving buckle plate (21); a synchronous gear (5) is arranged in the housing (1) in rotating mode; the inner end of the driving buckle plate (21) and the inner end of the driven buckle plate (22) are respectively provided with a rack (20), the rack (20) is engaged with the synchronous gear (5), so that when the operating component (3) drives the driving buckle plate (21) to move, the synchronous gear (5) drives the driven buckle plate (22) to move synchronously.

2. The quick release main body unit according to claim 1, characterized in that: the rack (20) at the inner end of the driving buckle plate (21) and the rack (20) at the inner end of the driven buckle plate (22) are respectively engaged with the two sides of the synchronous gear (5), and the moving directions of the driving buckle plate (21) and the driven buckle plate (22) are opposite.

3. The quick release main body unit according to claim 1 or 2, characterized in that: a guide column (12) or a guide notch (13) is arranged in the housing (1); a guide notch (13) or a guide column (12) is arranged on the driving buckle plate (21) and the driven buckle plate (22) which is matched with the guide column (12) or the guide notch (13); the guide column (12) is embedded in the guide notch (13) to limit the sliding direction of the driving buckle plate (21) and the driven buckle plate (22).

4. The quick release main body unit according to claim 1, characterized in that: the lower end of the housing (1) is inwardly recessed to form a U-shaped groove (14), and the U-shaped groove (14) forms a U-shaped boss (15) in the housing (1); the through hole (11) is arranged on the side wall of the U-shaped boss (15) and communicates with the U-shaped groove (14); the synchronous gear (5) is arranged in the center of the enclosed area of the U-shaped boss (15) in rotating mode; the inner end of the driving buckle plate (21) and the inner end of the driven buckle plate (22) are at least partially located in the enclosed area of the U-shaped boss (15), and the rack (20) and the buckle head correspond to the synchronous gear (5) and the through hole (11) respectively.

5. The quick release main body unit according to claim 4, characterized in that: the inner end of the driven buckle plate (22) is in a U-shaped structure (222), and the rack (20) is arranged on one arm of the U-shaped structure (222); the synchronous gear (5) is arranged in the U-shaped opening of the driven buckle plate (22) in rotating mode; the inner end of the driving buckle plate (21) is a strip-shaped plate (212), and the rack (20) is arranged on the strip-shaped plate (212). The strip-shaped plate (212) is inserted into the U-shaped opening of the driven buckle plate (22), so that the rack (20) of the driving buckle plate (21) and the rack (20) of the driven buckle plate (22) are respectively engaged on both sides of the synchronous gear (5); The other U-shaped arm of the driven buckle plate (22) limits the strip-shaped plate (212) of the driving buckle plate (21) in the engagement direction.

6. The quick release body unit according to claim 1, characterized in that: The operation component (3) drives the driving buckle plate (21) and the driven buckle plate (22) to move towards each other, so that the buckle head is retracted into the shell (1); The elastic force of the reset spring (4) drives the driving buckle plate (21) and the driven buckle plate (22) to move away from each other, so that the buckle head is extended out of the shell (1).

7. The quick release body unit according to claim 1, characterized in that: One or more reset springs (4) are arranged in the shell (1), and the reset spring (4) is supported on the driving buckle plate (21) and / or the driven buckle plate (22).

8. The quick release body unit according to claim 1, characterized in that: The shell (1) is provided with a locking assembly, and the locking assembly comprises a mechanical lock (61); The locking tongue plate (611) of the mechanical lock (61) can enter the movement path of the driving buckle plate (21) or the driven buckle plate (22); When the locking tongue plate (611) enters the movement path, the locking tongue plate (611) abuts against the driving buckle plate (21) or the driven buckle plate (22) to limit the movement thereof; When the locking tongue plate (611) exits the movement path, the driving buckle plate (21) and the driven buckle plate (22) can move freely.

9. The quick release body unit according to claim 8, characterized in that: The driving buckle plate (21) is provided with an extension plate (213); The locking tongue plate (611) can turn into or out of the movement path of the extension plate (213); When the locking tongue plate (611) turns into the path, the locking tongue plate (611) abuts against the end of the extension plate (213) or is clamped into the clamping hole in the extension plate (213); The shell (1) is further provided with a support plate (16), and when the locking tongue plate (611) turns into the path, the support plate (16) supports the other side of the locking tongue plate (611) to enhance the locking stability.

10. A quick release device for a motorcycle tank bag, characterized in that: It comprises the quick release body unit according to any one of claims 1-9.

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