Adjustable lock lever mechanism for carriage

Abstract

The utility model discloses an adjustable lock lever mechanism for a carriage, and relates to the technical field of carriage door locks, the adjustable lock lever mechanism comprises a lock lever assembly arranged on the carriage, the lock lever assembly comprises a lock rod, a lock head and a lock seat, and the adjustable lock lever mechanism is characterized in that the lock rod can move and rotate along the axial direction, the lock head is arranged at the end part of the lock rod, and the lock seat is arranged on the lock rod. The lock seat is fixedly arranged on the carriage and is opposite to the lock head in position, a lock sleeve is arranged at the position, corresponding to the lock rod, of the carriage, the lock sleeve is arranged on the lock rod in a sleeving mode, a positioning ring is arranged at the position, corresponding to the upper portion of the lock sleeve, of the lock rod, and an adjusting spring is arranged at the position, corresponding to the position between the positioning ring and the lock sleeve, of the lock rod. The position self-adaption of the lock head is achieved by adjusting the spring deformation adjusting amount of the spring, the adjustable lock bar mechanism is suitable for opening and closing of a compartment door, the length of the lock bar can be adjusted according to actual requirements by adjusting the spring and the positioning ring, it is ensured that the lock head and the lock seat are tightly matched, and the clamping phenomenon caused by installation errors is avoided.

Description

Technical Field

[0001] This utility model relates to the field of car door lock technology, specifically an adjustable locking bar mechanism for car bodies. Background Technology

[0002] In the current field of cargo door lock technology, most existing cargo door locking mechanisms on the market adopt a fixed connection design. The conventional approach is to install a locking rod and weld a lock head onto the openable cargo door, while installing a door lock seat at the top and bottom beams of the cargo compartment. The cargo door is fixed by the cooperation between the door lock and the door lock seat. However, this traditional method has many drawbacks.

[0003] 1. Installation Errors: Significant hidden dangers exist during installation. Installation errors are unavoidable when installing door locks on the truck doors and door lock seats on the top and bottom beams of the truck body. Since the door locks and door lock seats are fixed connections without adjustment, any installation deviation can easily cause the door locks to jam. This not only greatly affects the normal opening and closing of the truck doors but may also obstruct door opening in emergencies, posing a serious safety risk.

[0004] 2. Inconvenient operation and poor user experience: Due to the non-adjustable locking mechanism, the truck door often does not open and close smoothly. Especially after loading goods, the weight distribution of the truck door changes, making it extremely difficult to open and close, which greatly affects the user experience and reduces the efficiency of logistics transportation.

[0005] 3. High maintenance costs: Once the fixed-connection locking mechanism malfunctions, the repair and replacement process is extremely complex, requiring not only a significant investment of manpower but also high material costs. Repair personnel often need to spend a considerable amount of time disassembling, replacing parts, and readjusting, which undoubtedly increases the company's operating costs.

[0006] With market development and changing actual usage needs, it is urgent to develop a brand-new adjustable door locking mechanism. Utility Model Content

[0007] The purpose of this invention is to provide an adjustable locking bar mechanism for train carriages, solving the problems of non-adjustable locking bar mechanisms, large installation errors, and inconvenient operation in existing technologies. By adopting an adjustable mechanism, this invention can improve the smoothness of train carriage door opening and closing, reduce the time spent on locking bar positioning during manufacturing, lower manufacturing costs, and improve product reliability and user experience.

[0008] To achieve the above objectives, this utility model provides the following technical solution: an adjustable locking bar mechanism for a carriage, comprising a locking bar assembly mounted on the carriage, the locking bar assembly including a locking rod, a locking head, and a locking seat, the locking rod being axially movable and rotatable, the locking head being mounted at the end of the locking rod, the locking seat being fixedly mounted on the carriage opposite the locking head, a locking sleeve being mounted on the carriage corresponding to the locking rod position, the locking sleeve being fitted onto the locking rod, a positioning ring being mounted on the locking rod above the locking sleeve, and an adjusting spring being mounted on the locking rod between the positioning ring and the locking sleeve, the locking head position being adaptively adjusted by adjusting the spring deformation.

[0009] To further optimize this utility model, the following technical solutions may be preferred:

[0010] Preferably, multiple sets of the locking bar assemblies are arranged side by side.

[0011] Preferably, the lock head is provided with two lock heads located at both ends of the lock rod, and the lock seat is provided with two sets accordingly.

[0012] Preferably, a locking bar handle is also provided radially on the locking bar.

[0013] Preferably, the carriage is also provided with multiple brackets coaxially at the position corresponding to the locking rod, the brackets are fitted onto the locking rod, and the brackets are U-shaped.

[0014] Preferably, the lock head and the lock rod are detachably connected. The lock head includes a mounting part and a positioning part. The positioning part is asymmetrically designed, and the lock heads at both ends of the lock rod are symmetrically arranged.

[0015] The adjustable locking bar mechanism for the carriage of this utility model has many significant advantages:

[0016] (1) Excellent position self-adaptation capability: By setting an adjusting spring and a positioning ring on the lock bar, the lock head position can be automatically adjusted according to factors such as deviations in the manufacturing process of the carriage and structural deformation, by means of the deformation adjustment amount of the adjusting spring. This effectively avoids the situation where the lock head and lock seat are not tightly fitted or jammed due to installation errors, greatly improving the locking security of the carriage door, reducing the risk of the carriage door being accidentally opened during transportation, and ensuring the safety of cargo transportation.

[0017] (2) Enhanced locking stability: Multiple sets of locking bar components are arranged side by side, which significantly strengthens the connection between the car door and the main body of the car, making the car door more secure when closed, further reducing the possibility of the car door loosening or shaking during transportation, and effectively ensuring the stability of cargo transportation.

[0018] (3) Convenient operation experience: The locking bar handle is set radially on the locking bar, providing users with a more convenient and effortless operating point, making it easier and smoother for users to open or close the car door, effectively improving the convenience and efficiency of operation. Especially after loading goods, the opening and closing of the car door can be achieved relatively easily, improving the user experience.

[0019] (4) Good versatility and applicability: Lock heads are set at both ends of the locking bar, and two sets of lock seats are set accordingly. Combined with the characteristic that the locking bar can move and rotate along the axis, the locking bar mechanism is suitable for a variety of different specifications and structures of carriage doors, greatly expanding its application range. At the same time, multiple U-shaped brackets are set coaxially on the carriage corresponding to the locking bar position. On the one hand, they provide good support and guidance for the locking bar, ensuring the stability of the locking bar during movement. On the other hand, the design of the U-shaped brackets can adapt to locking bars of different diameters, further enhancing the versatility of the mechanism.

[0020] (5) Easy to maintain and replace: The lock cylinder and lock bar are detachably connected, which allows for easy disassembly and installation when the lock cylinder is damaged or needs to be replaced, reducing maintenance difficulty and cost. In addition, the lock cylinder has an asymmetrical design with symmetrical settings at both ends. This unique design helps to quickly and accurately position the lock during installation, improving installation efficiency, while also ensuring the consistency and stability of the locking function. Attached Figure Description

[0021] Figure 1 This is a schematic diagram illustrating the application scenarios of the adjustable locking bar mechanism;

[0022] Figure 2 Schematic diagram of the three-dimensional exploded structure of the locking bar assembly Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the overall structure of the locking bar assembly;

[0024] Figure 4 for Figure 1 Enlarged schematic diagram of the structure at point B.

[0025] In the diagram: 1. Lock head; 2. Lock seat; 3. Lock sleeve; 4. Adjusting spring; 5. Positioning ring; 6. Lock bar; 7. Lock bar handle; 8. Bracket; 9. Carriage; 10. Mounting part; 11. Positioning part. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Example:

[0028] like Figure 1-4 As shown, an adjustable locking bar mechanism for a carriage includes a locking bar assembly installed on the carriage 9. The locking bar assembly includes a locking bar 6, a locking head 1, and a locking seat 2. The locking bar 6 can move and rotate axially. The locking head is installed at the end of the locking bar. The locking seat is fixedly installed on the carriage opposite to the position of the locking head. A locking sleeve 3 is installed on the carriage corresponding to the position of the locking bar. The locking sleeve 3 is fitted onto the locking bar. A positioning ring 5 is installed on the locking bar corresponding to the position above the locking sleeve. An adjusting spring 4 is installed on the locking bar between the positioning ring and the locking sleeve. The position of the locking head can be adaptively adjusted by adjusting the spring deformation.

[0029] As a preferred implementation, multiple sets of locking bar assemblies are installed side-by-side, significantly enhancing the overall locking strength and stability. When multiple sets of locking bar assemblies work together, they can evenly distribute impact forces from the outside, effectively preventing damage to individual locking bars due to excessive force, greatly improving the device's ability to resist external forces, and ensuring the safety of the locked items. This also increases the flexibility of use. Different sets of locking bar assemblies can be selectively operated according to actual needs; for example, when partial opening or closing is required, the corresponding locking bar assembly can be flexibly controlled to adapt to diverse usage scenarios.

[0030] As a preferred embodiment, two lock cylinders are installed at each end of the lock bar, and two sets of lock seats are correspondingly installed. This achieves bidirectional locking of the lock bar. Compared to single-sided locking, this installation method makes the lock bar more stable in the locked state, less prone to displacement or shaking, thereby further improving the reliability of the entire locking structure. It also balances the forces borne by the lock bar. The lock cylinders and lock seats at both ends work together to evenly distribute the tensile or compressive forces on the lock bar, effectively extending the service life of the lock bar and related components, and reducing the risk of wear and damage caused by uneven local stress.

[0031] As a preferred embodiment, a locking lever handle 7 is also installed radially on the locking lever, greatly improving the ease of operation. Users can easily rotate and pull the locking lever by holding the locking lever handle, without the need for additional tools, and can easily complete locking or unlocking actions even in relatively narrow or hard-to-reach spaces.

[0032] As a preferred embodiment, multiple brackets 8 are coaxially installed on the carriage 9 corresponding to the locking rod 6. The brackets are U-shaped and fitted onto the locking rod, providing good support for the locking rod. The multiple U-shaped brackets are evenly distributed on the carriage, effectively distributing the weight of the locking rod, reducing deformation caused by its own weight or vibration during transportation, ensuring that the locking rod always remains in the correct position, and guaranteeing the normal functioning of the locking function.

[0033] As a preferred embodiment, the lock head and the lock rod are detachably connected. The lock head includes an installation part 10 and a positioning part 11. The positioning part 11 is asymmetrically designed, and the lock heads at both ends of the lock rod are symmetrically installed. The above structural design: (1) facilitates replacement and maintenance. When the lock head malfunctions or is damaged, it can be directly removed from the lock rod for individual replacement or maintenance without replacing the entire lock rod assembly, thus reducing maintenance costs and time. (2) improves installation accuracy. The asymmetrically designed positioning part cooperates with the symmetrically installed lock head to ensure that the lock head is installed in the correct direction at both ends of the lock rod, avoiding problems such as insecure locking or inability to lock properly due to incorrect installation, and ensuring the reliability of the entire locking system.

[0034] This solution designs an adjustable door lever lock structure. This structure, by installing an adjusting spring and a positioning ring on the lock lever, makes the lock lever adjustable. The lock lever mechanism of this solution is simple in structure, lightweight, and highly versatile, suitable for various openable doorways, effectively improving door opening and closing efficiency and enhancing the reliability of the product's door opening and closing. This improvement reduces labor costs in the manufacturing process and solves the pain point of difficult door opening and closing after loading goods, thereby improving customer experience and door stability.

[0035] The adjustable locking bar mechanism in this solution is suitable for opening and closing carriage doors. The specific implementation method is as follows: Locking bar adjustment: By adjusting the spring and positioning ring, the length of the locking bar can be adjusted according to actual needs, ensuring a tight fit between the lock head and the lock seat, and avoiding jamming due to installation errors.

[0036] Locking bar handle operation: Users can easily operate the locking bar by using the handle, improving operational convenience. Bracket support: The bracket supports the locking bar mechanism, ensuring its stability during use and preventing loosening due to vibration or external forces. In actual use, due to the addition of a spring and positioning ring device, the adjustable spring can self-adjust when the door opening is deformed due to loading goods or the lock seat positioning is inaccurate, thus achieving smooth opening and closing. Through the above embodiments, the adjustable locking bar mechanism of the present invention can effectively improve the smoothness of the opening and closing of the carriage door, reduce the time spent on locking bar positioning during manufacturing, reduce manufacturing costs, and improve product reliability and user experience.

[0037] 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.

[0038] All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment are all conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, and will not be described in detail here.

[0039] 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. An adjustable locking bar mechanism for a train car, comprising a locking bar assembly mounted on the train car, the locking bar assembly including a locking rod, a locking head, and a locking seat, characterized in that: The locking rod can move and rotate axially. The lock head is located at the end of the locking rod. The lock seat is fixedly installed on the carriage opposite the position of the lock head. A lock sleeve is provided on the carriage corresponding to the position of the locking rod. The lock sleeve is fitted onto the locking rod. A positioning ring is provided on the locking rod above the lock sleeve. An adjusting spring is provided on the locking rod between the positioning ring and the lock sleeve. The position of the lock head can be adaptively adjusted by adjusting the spring deformation.

2. The adjustable locking bar mechanism for a carriage according to claim 1, characterized in that: The locking bar assembly is arranged in multiple sets side by side.

3. The adjustable locking bar mechanism for a carriage according to claim 1, characterized in that: The lock head is provided with two lock cylinders located at both ends of the lock rod, and the lock base is provided with two sets accordingly.

4. The adjustable locking bar mechanism for a carriage according to claim 1, characterized in that: A locking bar handle is also provided radially along the upper edge of the locking bar.

5. The adjustable locking bar mechanism for a carriage according to claim 1, characterized in that: The carriage is also equipped with multiple brackets coaxially at the corresponding position of the locking rod. The brackets are fitted onto the locking rod and are U-shaped.

6. The adjustable locking bar mechanism for a carriage according to claim 1, characterized in that: The lock head and the lock rod are detachably connected. The lock head includes a mounting part and a positioning part. The positioning part is asymmetrically designed. The lock heads at both ends of the lock rod are symmetrically arranged.

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