Carriage door lock for freight train

Abstract

The utility model discloses a compartment door lock for a freight train, relates to the technical field of compartment door locks of freight trains, and can solve the problem that the existing compartment door lock for the freight train easily causes looseness of a spring bolt or a lock component under the condition that a railway is uneven or the running speed is relatively high, so that the compartment door lock cannot be unlocked. In order to solve the problem that the carriage door is automatically opened under the condition that the carriage door is not unlocked finally, through the designed connecting component, the pressure spring component and the spring component, it is ensured that when the carriage door runs at a high speed or passes through an uneven railway, the lock can effectively resist external vibration, bumping and external force, and meanwhile the carriage door can be automatically opened under the condition that the carriage door is not unlocked. Lock components are prevented from being loosened due to vibration, it is ensured that the lock is always in a locked state, then through the accurate design of a spring system and a rivet set, it is ensured that a locking component (such as a spring bolt) can always work stably in the locking process, and the situation that a compartment door is automatically opened under the condition that the compartment door is not unlocked due to external impact or vibration is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to freight train carriage door lock technical field, concretely relates to a carriage door lock for freight train. BACKGROUND

[0002] The carriage door of freight train is one of the key components to ensure the safety of goods in the transportation process. The design and function of the carriage door lock directly relate to the safety of goods, the stability of train operation and the safety of personnel in the transportation process.

[0003] However, the existing carriage door lock for freight train often faces the problems of poor sealing and unstable structure in actual use, especially in the case of uneven railway or high running speed, the inertia force and vibration generated by the train will repeatedly pull the door lock, causing the lock tongue or lock component to loosen, and eventually causing the carriage door to open automatically without unlocking. UTILITY MODEL CONTENTS

[0004] In order to solve the problem that the existing carriage door lock for freight train is prone to loosen the lock tongue or lock component and eventually causes the carriage door to open automatically without unlocking in the case of uneven railway or high running speed, the present application provides a carriage door lock for freight train to solve the above problems.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is:

[0006] A carriage door lock for freight train, comprising a panel component and a movable rod component, further comprising a connecting component, a compression spring component, a spring component and a rivet group, the panel component comprises a lock panel, the lock panel is detachably connected with the carriage, the connecting component is arranged on the top surface of the lock panel, a lock cover is protruded inside the lock panel, a single fixing hole is formed in the inner top surface of the lock cover;

[0007] The movable rod component comprises a connecting rod, a swing rod and a clamping column, the swing rod is movably connected at one end of the connecting component, one end of the connecting rod is fixedly connected to the connecting component, the other end of the connecting rod extends to the inside of the lock cover through the fixing hole and is fixedly connected with the clamping column, the other end of the connecting component is also movably connected with a locking component for locking the carriage door;

[0008] The compression spring component is movably connected between the locking component and the swing rod through the rivet group, one end of the spring component is movably connected with the rivet group, and the other end of the spring component is movably connected with a second pin shaft penetrating through the connecting component and the swing rod.

[0009] As a further improvement of the utility model, the connecting component comprises a connecting seat, first and second connecting holes are formed in the two sides of the long side of the connecting seat, a first pin shaft is inserted into the first connecting hole, and a second pin shaft is inserted into the second connecting hole.

[0010] As a further improvement of the utility model, the rivet group comprises a first rivet and a second rivet, the first rivet is inserted into the locking component, the second rivet is inserted into the swing rod, and the two ends of the compression spring component are movably connected to the first rivet and the second rivet respectively.

[0011] As a further improvement of the utility model, the compression spring component comprises a compression spring shell and a rebound compression spring, the two ends of the compression spring shell are movably connected to the first rivet and the second rivet respectively, and at least two rebound compression springs are movably connected between the first rivet and the second rivet.

[0012] As a further improvement of the utility model, the spring component comprises a spring and a connecting plate, one end of the spring is connected to the outer wall of the second rivet, one end of the connecting plate is connected to the outer wall of the second pin shaft, and the other end of the spring is fixedly connected to the other end of the connecting plate.

[0013] As a further improvement of the utility model, the locking component comprises a lock tongue, first and second through holes are formed in the lock tongue, the first rivet is inserted into the first through hole, and the first pin shaft is inserted into the second through hole.

[0014] As a further improvement of the utility model, a plurality of mounting holes are further formed in the lock panel, four mounting holes are formed at the four corners of the lock panel respectively.

[0015] Compared with the prior art, the technical scheme of the utility model has the following advantages and effects:

[0016] 1. In the application, the connecting component, the compression spring component and the spring component are designed to ensure that the lock can effectively resist the vibration, jolt and external force when the carriage door runs at high speed or passes through uneven railways. In particular, the compression spring component and the spring component are matched to ensure that each connecting part is always in close contact, thereby avoiding loosening of the lock component due to vibration and ensuring that the lock is always in a locked state. Then, through the precise design of the spring system and the rivet group, the locking component (such as the lock tongue) can always work stably during the locking process, and the carriage door will not be opened automatically in the unlocked state due to external impact or vibration. The configuration of the compression spring component and the rebound compression spring effectively provides continuous pressure for the locking component, thereby enhancing the reliability of the lock.

[0017] 2、The connecting part in the application realizes a firm hinged structure through the combination of the pin shaft, rivet and movable rod, and enhances the durability of the lock. The multiple cooperation design of the pin shaft and rivet not only improves the stability of the lock, but also makes the connection between the locking part and the movable rod more compact, avoiding the failure of the lock caused by the loosening of the hinged part. A plurality of mounting holes are arranged in the lock panel, providing a convenient installation and maintenance method. The mounting hole design of the four corners enables the lock to be firmly fixed on the carriage, and facilitates daily inspection and maintenance, further improving the practicality and reliability of the entire lock system. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 is the axonometric view of the present application;

[0020] Figure 2 is another angle axonometric view of the present application;

[0021] Figure 3 is the front view of the present application;

[0022] Figure 4 is the left view of the present application;

[0023] Figure 5 is Figure 4 is the sectional view along the section symbol A-A;

[0024] Figure 6 is the bottom view of the present application.

[0025] In the drawings: 10, panel part; 110, lock panel; 120, locking cover; 130, mounting hole; 140, fixing hole; 20, movable rod part; 210, connecting rod; 220, swing rod; 230, clamping column; 30, locking part; 310, lock tongue; 320, first through hole; 330, second through hole; 40, compression spring part; 410, compression spring shell; 420, rebound compression spring; 50, connecting part; 510, connecting seat; 520, first connecting hole; 530, second connecting hole; 60, rivet group; 610, first rivet; 620, second rivet; 70, first pin shaft; 80, second pin shaft; 90, spring part; 910, spring; 920, connecting plate. DETAILED DESCRIPTION

[0026] So that the objectives, technical solutions and advantages of the embodiments of the present application are more apparent, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without making creative efforts fall within the scope of protection of the present application.

[0028] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, 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 indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second" and the like appear in the description of the present application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0030] In addition, if the terms "horizontal", "vertical" and the like appear in the description of the present application, they do not mean that the component must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, if the terms "arrangement", "installation", "connection", "connection" appear, they should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, or can be connected inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Embodiment:

[0033] A car door lock for freight train, comprising a panel component 10 and a movable lever component 20, further comprising a connecting component 50, a compression spring component 40, a spring component 90 and a rivet group 60, the panel component 10 comprises a lock panel 110, the lock panel 110 is detachably connected with the car, the connecting component 50 is arranged on the top surface of the lock panel 110, a lock cover 120 is protruded inside the lock panel 110, a single fixing hole 140 is arranged on the inner top surface of the lock cover 120;

[0034] The movable lever component 20 comprises a connecting rod 210, a swing lever 220 and a clamping column 230, the swing lever 220 is movably connected with one end of the connecting component 50, one end of the connecting rod 210 is fixedly connected with the connecting component 50, the other end of the connecting rod 210 extends to the inside of the lock cover 120 through the fixing hole 140 and is fixedly connected with the clamping column 230, the other end of the connecting component 50 is further movably connected with a locking component 30 for locking the car door;

[0035] The compression spring component 40 is movably connected between the locking component 30 and the swing lever 220 through the rivet group 60, one end of the spring component 90 is movably connected with the rivet group 60, and the other end of the spring component 90 is movably connected with a second pin shaft 80 penetrating through the connecting component 50 and the swing lever 220.

[0036] Brief working principle:

[0037] When the car door needs to be locked, the operator can hold the clamping column 230, pull the swing lever 220 around one end of the connecting component 50 by the connecting rod 210, at this time, the spring component 90 will be compressed due to the rotation of the swing lever 220, and the compression spring component 40 will be stretched accordingly. With the rotation of the swing lever 220, the locking component 30 gradually approaches the locking position of the car door. When the locking component 30 is aligned with the locking position of the car door, due to the restoring force of the compression spring component 40, the locking component 30 will quickly insert into the locking hole of the car door, realizing the locking of the car door. At this time, due to the elastic force of the spring component 90, the connecting rod 210 will be kept in a fixed position, thereby ensuring the locking state of the car door.

[0038] When the car door needs to be opened, the operator can pull the locking component 30 to release the locking, at this time, the spring component 90 will be further compressed, and the compression spring component 40 will gradually return to the initial state. With the continuous pulling of the swing lever 220, the connecting rod 210 and the clamping column 230 will also move accordingly, and finally the movable lever component 20 returns to the initial position. At this time, the car door can be easily opened.

[0039] With reference to the accompanying drawings Figures 1-6 As shown, the connecting component 50 includes a connecting seat 510, which is provided with a first connecting hole 520 and a second connecting hole 530 on both sides of the long edge. The first pin shaft 70 is inserted into the first connecting hole 520, and the second pin shaft 80 is inserted into the second connecting hole 530. The locking component 30 is hinged with the first pin shaft 70, and the swing rod 220 is hinged with the second pin shaft 80.

[0040] It is explained that such design enables the locking component 30 and the swing rod 220 to rotate around the first pin shaft 70 and the second pin shaft 80 respectively, thereby realizing more flexible locking and unlocking operations. Meanwhile, the connecting seat 510 as a supporting component can effectively ensure the stability of the first pin shaft 70 and the second pin shaft 80, avoiding loosening or damage due to vibration or impact during use. In addition, the arrangement of the first connecting hole 520 and the second connecting hole 530 also facilitates the insertion and removal of the pin shaft, facilitating maintenance and replacement. In general, the design of the connecting component 50 improves the reliability and durability of the carriage door lock.

[0041] With reference to the accompanying drawings Figures 1-6 As shown, the rivet group 60 includes a first rivet 610 and a second rivet 620. The first rivet 610 is inserted into the locking component 30, and the second rivet 620 is inserted into the swing rod 220. The two ends of the compression spring component 40 are respectively movably connected to the first rivet 610 and the second rivet 620.

[0042] It is explained that the first pin shaft 70 is inserted into the first connecting hole 520 to connect the connecting seat 510 and the locking component 30. The pin shaft provides a rotation center, enabling the locking component 30 to rotate or turn relative to the connecting seat 510. The second pin shaft 80 is used to connect the connecting seat 510 and the swing rod 220, which enables the compression spring component 40 to be firmly connected between the locking component 30 and the swing rod 220, thereby ensuring the stability and reliability of the carriage door lock during locking and unlocking. Meanwhile, the first rivet 610 and the second rivet 620 as connecting points can effectively disperse the stress of the compression spring component 40, avoiding damage due to stress concentration.

[0043] With reference to the accompanying drawings Figures 1-6 As shown, the compression spring component 40 includes a compression spring shell 410 and a rebound compression spring 420. The two ends of the compression spring shell 410 are movably connected to the first rivet 610 and the second rivet 620, respectively. The rebound compression spring 420 is provided in at least two and movably connected between the first rivet 610 and the second rivet 620.

[0044] To make an explanation, the design of the rebound spring 420 enables the compartment door lock to rebound to the initial position quickly after being unlocked, improving the convenience and efficiency of operation. At the same time, the spring shell 410 serves as a protective layer for the rebound spring 420, effectively preventing the rebound spring 420 from being disturbed and damaged by the external environment, further extending the service life of the compartment door lock. In addition, the design of at least two rebound springs 420 not only increases the locking force of the compartment door lock, but also improves its stability and reliability during use, making the compartment door lock better adapt to various complex use environments.

[0045] In combination with the drawings Figures 1-6 As shown, the spring component 90 includes a spring 910 and a connecting plate 920, one end of the spring 910 is connected to the outer wall of the second rivet 620, one end of the connecting plate 920 is connected to the outer wall of the second pin shaft 80, and the other end of the spring 910 is fixedly connected to the other end of the connecting plate 920.

[0046] To make an explanation, this design not only connects the spring component 90 to other parts of the compartment door lock through the second rivet 620, but also further enhances the connection stability through the second pin shaft 80. The elastic effect of the spring 910 can effectively absorb the impact force generated during the opening and closing of the compartment door, reducing noise and vibration and improving the comfort of use. At the same time, the connecting plate 920 as the supporting structure of the spring 910 can ensure that the spring 910 will not deform or dislocate when stressed, further ensuring the reliability and durability of the compartment door lock. In addition, this connection method of the spring component 90 can also make the compartment door lock more smooth during locking and unlocking, improving the flexibility and convenience of operation.

[0047] In combination with the drawings Figures 1-6 As shown, the locking component 30 includes a lock tongue 310, a first through hole 320 and a second through hole 330 are opened inside the lock tongue 310, the first rivet 610 is inserted into the first through hole 320, and the first pin shaft 70 is inserted into the second through hole 330.

[0048] To make an explanation, this design makes the locking component 30 not only firmly connected with other parts of the compartment door lock through the first rivet 610, but also provides additional locking support through the first pin shaft 70. The locking tongue 310 is a key component of the compartment door lock, and its stability and reliability are crucial. The insertion of the first rivet 610 ensures the firmness of the locking tongue 310 in the locked state, and it is not easy to loosen or fall off. The addition of the first pin shaft 70 further enhances the locking effect of the locking tongue 310, making the compartment door more stable when locked and not easy to be opened by external force. In addition, the design of the first through hole 320 and the second through hole 330 also considers the flexibility and convenience of the locking tongue 310, so that the locking tongue 310 can move smoothly during the locking and unlocking process, improving the efficiency of operation. The design of this locking component 30 not only enhances the overall stability and reliability of the compartment door lock, but also improves the convenience and safety of use.

[0049] It is worth mentioning that a plurality of mounting holes 130 are also provided inside the lock panel 110, and the mounting holes 130 are provided with four mounting holes, which are respectively arranged at the four corners of the lock panel 110.

[0050] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A car door lock for a freight train comprising a faceplate member (10) and a swing lever member (20), characterized in that: Also include connecting components (50), spring components (40), spring components (90) and rivet group (60), the panel components (10) include lock panel (110), the lock panel (110) is detachably connected with the carriage, the connecting components (50) are arranged on the top surface of the lock panel (110), the lock panel (110) is internally provided with a locking cover (120), and a single fixing hole (140) is formed in the inner top surface of the locking cover (120); The movable rod components (20) include connecting rods (210), swing rods (220) and clamping columns (230), one end of the swing rod (220) is movably connected to the connecting components (50), one end of the connecting rods (210) is fixedly connected to the connecting components (50), the other end of the connecting rods (210) extends to the inside of the locking cover (120) through the fixing hole (140) and is fixedly connected with the clamping column (230), and the other end of the connecting components (50) is also movably connected with the locking components (30) for locking the carriage door; The spring components (40) are movably connected between the locking components (30) and the swing rods (220) through the rivet group (60), one end of the spring components (90) is movably connected with the rivet group (60), and the other end of the spring components (90) is movably connected with the second pin shaft (80) penetrating the connecting components (50) and the swing rods (220).

2. A car door lock for freight trains according to claim 1, characterized in that The connecting components (50) include connecting seats (510), the first connecting holes (520) and the second connecting holes (530) are formed in the two sides of the connecting seats (510) along the long edges, the first pin shaft (70) is inserted into the first connecting holes (520), the second pin shaft (80) is inserted into the second connecting holes (530), the locking components (30) are hinged with the first pin shaft (70), and the swing rods (220) are hinged with the second pin shaft (80).

3. A car door lock for freight trains according to claim 2, characterized in that The rivet group (60) includes first rivets (610) and second rivets (620), the first rivets (610) are inserted into the locking components (30), the second rivets (620) are inserted into the swing rods (220), and the two ends of the spring components (40) are movably connected with the first rivets (610) and the second rivets (620) respectively.

4. A car door lock for freight trains according to claim 3, characterized in that The spring components (40) include spring housings (410) and rebound springs (420), the two ends of the spring housings (410) are movably connected with the first rivets (610) and the second rivets (620) respectively, and at least two rebound springs (420) are movably connected between the first rivets (610) and the second rivets (620) in the same row.

5. A car door lock for freight trains according to claim 4, characterized in that The spring component (90) comprises a spring (910) and a connecting plate (920), one end of the spring (910) is connected to the outer wall of the second rivet (620), one end of the connecting plate (920) is connected to the outer wall of the second pin shaft (80), and the other end of the spring (910) is fixedly connected to the other end of the connecting plate (920).

6. A car door lock for freight trains according to claim 5, characterized in that The locking component (30) comprises a lock tongue (310), a first through hole (320) and a second through hole (330) are arranged in the lock tongue (310), the first rivet (610) is inserted into the first through hole (320), and the first pin shaft (70) is inserted into the second through hole (330).

7. A car door lock for a freight train according to claim 6 wherein, A plurality of mounting holes (130) are further arranged in the lock panel (110), four mounting holes (130) are arranged, and the mounting holes (130) are arranged at four corners of the lock panel (110).

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